From d51d4405392fbb7f77093422e4e55ea48377df4d Mon Sep 17 00:00:00 2001 From: Splendide Imaginarius <119545140+Splendide-Imaginarius@users.noreply.github.com> Date: Sun, 15 Oct 2023 13:51:19 +0000 Subject: [PATCH] Bump cpp-httplib to v0.14.1 --- src/net/httplib.h | 7017 +++++++++++++++++++++++++++++---------------- src/net/net.cpp | 17 +- 2 files changed, 4612 insertions(+), 2422 deletions(-) diff --git a/src/net/httplib.h b/src/net/httplib.h index 1836b20c..89449452 100644 --- a/src/net/httplib.h +++ b/src/net/httplib.h @@ -1,13 +1,15 @@ // // httplib.h // -// Copyright (c) 2020 Yuji Hirose. All rights reserved. +// Copyright (c) 2023 Yuji Hirose. All rights reserved. // MIT License // #ifndef CPPHTTPLIB_HTTPLIB_H #define CPPHTTPLIB_HTTPLIB_H +#define CPPHTTPLIB_VERSION "0.14.0" + /* * Configuration */ @@ -60,14 +62,26 @@ #define CPPHTTPLIB_REQUEST_URI_MAX_LENGTH 8192 #endif +#ifndef CPPHTTPLIB_HEADER_MAX_LENGTH +#define CPPHTTPLIB_HEADER_MAX_LENGTH 8192 +#endif + #ifndef CPPHTTPLIB_REDIRECT_MAX_COUNT #define CPPHTTPLIB_REDIRECT_MAX_COUNT 20 #endif +#ifndef CPPHTTPLIB_MULTIPART_FORM_DATA_FILE_MAX_COUNT +#define CPPHTTPLIB_MULTIPART_FORM_DATA_FILE_MAX_COUNT 1024 +#endif + #ifndef CPPHTTPLIB_PAYLOAD_MAX_LENGTH #define CPPHTTPLIB_PAYLOAD_MAX_LENGTH ((std::numeric_limits::max)()) #endif +#ifndef CPPHTTPLIB_FORM_URL_ENCODED_PAYLOAD_MAX_LENGTH +#define CPPHTTPLIB_FORM_URL_ENCODED_PAYLOAD_MAX_LENGTH 8192 +#endif + #ifndef CPPHTTPLIB_TCP_NODELAY #define CPPHTTPLIB_TCP_NODELAY false #endif @@ -95,6 +109,10 @@ #define CPPHTTPLIB_SEND_FLAGS 0 #endif +#ifndef CPPHTTPLIB_LISTEN_BACKLOG +#define CPPHTTPLIB_LISTEN_BACKLOG 5 +#endif + /* * Headers */ @@ -109,14 +127,16 @@ #endif //_CRT_NONSTDC_NO_DEPRECATE #if defined(_MSC_VER) +#if _MSC_VER < 1900 +#error Sorry, Visual Studio versions prior to 2015 are not supported +#endif + +#pragma comment(lib, "ws2_32.lib") + #ifdef _WIN64 using ssize_t = __int64; #else -using ssize_t = int; -#endif - -#if _MSC_VER < 1900 -#define snprintf _snprintf_s +using ssize_t = long; #endif #endif // _MSC_VER @@ -134,20 +154,12 @@ using ssize_t = int; #include #include - -#include #include #ifndef WSA_FLAG_NO_HANDLE_INHERIT #define WSA_FLAG_NO_HANDLE_INHERIT 0x80 #endif -#ifdef _MSC_VER -#pragma comment(lib, "ws2_32.lib") -#pragma comment(lib, "crypt32.lib") -#pragma comment(lib, "cryptui.lib") -#endif - #ifndef strcasecmp #define strcasecmp _stricmp #endif // strcasecmp @@ -160,8 +172,16 @@ using socket_t = SOCKET; #else // not _WIN32 #include -#include +#if !defined(_AIX) && !defined(__MVS__) #include +#endif +#ifdef __MVS__ +#include +#ifndef NI_MAXHOST +#define NI_MAXHOST 1025 +#endif +#endif +#include #include #include #ifdef __linux__ @@ -173,12 +193,16 @@ using socket_t = SOCKET; #endif #include #include +#include #include #include +#include #include using socket_t = int; +#ifndef INVALID_SOCKET #define INVALID_SOCKET (-1) +#endif #endif //_WIN32 #include @@ -188,10 +212,12 @@ using socket_t = int; #include #include #include +#include #include #include #include #include +#include #include #include #include @@ -199,15 +225,40 @@ using socket_t = int; #include #include #include +#include #include #include #include #include -#include +#include +#include +#include #ifdef CPPHTTPLIB_OPENSSL_SUPPORT +#ifdef _WIN32 +#include + +// these are defined in wincrypt.h and it breaks compilation if BoringSSL is +// used +#undef X509_NAME +#undef X509_CERT_PAIR +#undef X509_EXTENSIONS +#undef PKCS7_SIGNER_INFO + +#ifdef _MSC_VER +#pragma comment(lib, "crypt32.lib") +#pragma comment(lib, "cryptui.lib") +#endif +#elif defined(CPPHTTPLIB_USE_CERTS_FROM_MACOSX_KEYCHAIN) && defined(__APPLE__) +#include +#if TARGET_OS_OSX +#include +#include +#endif // TARGET_OS_OSX +#endif // _WIN32 + #include -#include +#include #include #include @@ -220,14 +271,10 @@ using socket_t = int; #if OPENSSL_VERSION_NUMBER < 0x1010100fL #error Sorry, OpenSSL versions prior to 1.1.1 are not supported +#elif OPENSSL_VERSION_NUMBER < 0x30000000L +#define SSL_get1_peer_certificate SSL_get_peer_certificate #endif -#if OPENSSL_VERSION_NUMBER < 0x10100000L -#include -inline const unsigned char *ASN1_STRING_get0_data(const ASN1_STRING *asn1) { - return M_ASN1_STRING_data(asn1); -} -#endif #endif #ifdef CPPHTTPLIB_ZLIB_SUPPORT @@ -256,7 +303,7 @@ namespace detail { template typename std::enable_if::value, std::unique_ptr>::type -make_unique(Args &&... args) { +make_unique(Args &&...args) { return std::unique_ptr(new T(std::forward(args)...)); } @@ -277,6 +324,34 @@ struct ci { } }; +// This is based on +// "http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2014/n4189". + +struct scope_exit { + explicit scope_exit(std::function &&f) + : exit_function(std::move(f)), execute_on_destruction{true} {} + + scope_exit(scope_exit &&rhs) + : exit_function(std::move(rhs.exit_function)), + execute_on_destruction{rhs.execute_on_destruction} { + rhs.release(); + } + + ~scope_exit() { + if (execute_on_destruction) { this->exit_function(); } + } + + void release() { this->execute_on_destruction = false; } + +private: + scope_exit(const scope_exit &) = delete; + void operator=(const scope_exit &) = delete; + scope_exit &operator=(scope_exit &&) = delete; + + std::function exit_function; + bool execute_on_destruction; +}; + } // namespace detail using Headers = std::multimap; @@ -307,9 +382,9 @@ public: DataSink(DataSink &&) = delete; DataSink &operator=(DataSink &&) = delete; - std::function write; + std::function write; std::function done; - std::function is_writable; + std::function done_with_trailer; std::ostream os; private: @@ -336,6 +411,16 @@ using ContentProvider = using ContentProviderWithoutLength = std::function; +using ContentProviderResourceReleaser = std::function; + +struct MultipartFormDataProvider { + std::string name; + ContentProviderWithoutLength provider; + std::string filename; + std::string content_type; +}; +using MultipartFormDataProviderItems = std::vector; + using ContentReceiverWithProgress = std::function; @@ -380,6 +465,8 @@ struct Request { std::string remote_addr; int remote_port = -1; + std::string local_addr; + int local_port = -1; // for server std::string version; @@ -388,37 +475,37 @@ struct Request { MultipartFormDataMap files; Ranges ranges; Match matches; + std::unordered_map path_params; // for client + ResponseHandler response_handler; + ContentReceiverWithProgress content_receiver; + Progress progress; #ifdef CPPHTTPLIB_OPENSSL_SUPPORT - const SSL *ssl; + const SSL *ssl = nullptr; #endif - bool has_header(const char *key) const; - std::string get_header_value(const char *key, size_t id = 0) const; - template - T get_header_value(const char *key, size_t id = 0) const; - size_t get_header_value_count(const char *key) const; - void set_header(const char *key, const char *val); - void set_header(const char *key, const std::string &val); + bool has_header(const std::string &key) const; + std::string get_header_value(const std::string &key, size_t id = 0) const; + uint64_t get_header_value_u64(const std::string &key, size_t id = 0) const; + size_t get_header_value_count(const std::string &key) const; + void set_header(const std::string &key, const std::string &val); - bool has_param(const char *key) const; - std::string get_param_value(const char *key, size_t id = 0) const; - size_t get_param_value_count(const char *key) const; + bool has_param(const std::string &key) const; + std::string get_param_value(const std::string &key, size_t id = 0) const; + size_t get_param_value_count(const std::string &key) const; bool is_multipart_form_data() const; - bool has_file(const char *key) const; - MultipartFormData get_file_value(const char *key) const; + bool has_file(const std::string &key) const; + MultipartFormData get_file_value(const std::string &key) const; + std::vector get_file_values(const std::string &key) const; // private members... size_t redirect_count_ = CPPHTTPLIB_REDIRECT_MAX_COUNT; - ResponseHandler response_handler_; - ContentReceiverWithProgress content_receiver_; size_t content_length_ = 0; ContentProvider content_provider_; bool is_chunked_content_provider_ = false; - Progress progress_; size_t authorization_count_ = 0; }; @@ -430,30 +517,27 @@ struct Response { std::string body; std::string location; // Redirect location - bool has_header(const char *key) const; - std::string get_header_value(const char *key, size_t id = 0) const; - template - T get_header_value(const char *key, size_t id = 0) const; - size_t get_header_value_count(const char *key) const; - void set_header(const char *key, const char *val); - void set_header(const char *key, const std::string &val); + bool has_header(const std::string &key) const; + std::string get_header_value(const std::string &key, size_t id = 0) const; + uint64_t get_header_value_u64(const std::string &key, size_t id = 0) const; + size_t get_header_value_count(const std::string &key) const; + void set_header(const std::string &key, const std::string &val); - void set_redirect(const char *url, int status = 302); void set_redirect(const std::string &url, int status = 302); - void set_content(const char *s, size_t n, const char *content_type); - void set_content(const std::string &s, const char *content_type); + void set_content(const char *s, size_t n, const std::string &content_type); + void set_content(const std::string &s, const std::string &content_type); void set_content_provider( - size_t length, const char *content_type, ContentProvider provider, - const std::function &resource_releaser = nullptr); + size_t length, const std::string &content_type, ContentProvider provider, + ContentProviderResourceReleaser resource_releaser = nullptr); void set_content_provider( - const char *content_type, ContentProviderWithoutLength provider, - const std::function &resource_releaser = nullptr); + const std::string &content_type, ContentProviderWithoutLength provider, + ContentProviderResourceReleaser resource_releaser = nullptr); void set_chunked_content_provider( - const char *content_type, ContentProviderWithoutLength provider, - const std::function &resource_releaser = nullptr); + const std::string &content_type, ContentProviderWithoutLength provider, + ContentProviderResourceReleaser resource_releaser = nullptr); Response() = default; Response(const Response &) = default; @@ -462,15 +546,16 @@ struct Response { Response &operator=(Response &&) = default; ~Response() { if (content_provider_resource_releaser_) { - content_provider_resource_releaser_(); + content_provider_resource_releaser_(content_provider_success_); } } // private members... size_t content_length_ = 0; ContentProvider content_provider_; - std::function content_provider_resource_releaser_; + ContentProviderResourceReleaser content_provider_resource_releaser_; bool is_chunked_content_provider_ = false; + bool content_provider_success_ = false; }; class Stream { @@ -483,10 +568,11 @@ public: virtual ssize_t read(char *ptr, size_t size) = 0; virtual ssize_t write(const char *ptr, size_t size) = 0; virtual void get_remote_ip_and_port(std::string &ip, int &port) const = 0; + virtual void get_local_ip_and_port(std::string &ip, int &port) const = 0; virtual socket_t socket() const = 0; template - ssize_t write_format(const char *fmt, const Args &... args); + ssize_t write_format(const char *fmt, const Args &...args); ssize_t write(const char *ptr); ssize_t write(const std::string &s); }; @@ -499,7 +585,7 @@ public: virtual void enqueue(std::function fn) = 0; virtual void shutdown() = 0; - virtual void on_idle(){}; + virtual void on_idle() {} }; class ThreadPool : public TaskQueue { @@ -515,8 +601,11 @@ public: ~ThreadPool() override = default; void enqueue(std::function fn) override { - std::unique_lock lock(mutex_); - jobs_.push_back(std::move(fn)); + { + std::unique_lock lock(mutex_); + jobs_.push_back(std::move(fn)); + } + cond_.notify_one(); } @@ -550,7 +639,7 @@ private: if (pool_.shutdown_ && pool_.jobs_.empty()) { break; } - fn = pool_.jobs_.front(); + fn = std::move(pool_.jobs_.front()); pool_.jobs_.pop_front(); } @@ -576,29 +665,99 @@ using Logger = std::function; using SocketOptions = std::function; -inline void default_socket_options(socket_t sock) { - int yes = 1; -#ifdef _WIN32 - setsockopt(sock, SOL_SOCKET, SO_REUSEADDR, reinterpret_cast(&yes), - sizeof(yes)); - setsockopt(sock, SOL_SOCKET, SO_EXCLUSIVEADDRUSE, - reinterpret_cast(&yes), sizeof(yes)); -#else -#ifdef SO_REUSEPORT - setsockopt(sock, SOL_SOCKET, SO_REUSEPORT, reinterpret_cast(&yes), - sizeof(yes)); -#else - setsockopt(sock, SOL_SOCKET, SO_REUSEADDR, reinterpret_cast(&yes), - sizeof(yes)); -#endif -#endif -} +void default_socket_options(socket_t sock); + +const char *status_message(int status); + +namespace detail { + +class MatcherBase { +public: + virtual ~MatcherBase() = default; + + // Match request path and populate its matches and + virtual bool match(Request &request) const = 0; +}; + +/** + * Captures parameters in request path and stores them in Request::path_params + * + * Capture name is a substring of a pattern from : to /. + * The rest of the pattern is matched agains the request path directly + * Parameters are captured starting from the next character after + * the end of the last matched static pattern fragment until the next /. + * + * Example pattern: + * "/path/fragments/:capture/more/fragments/:second_capture" + * Static fragments: + * "/path/fragments/", "more/fragments/" + * + * Given the following request path: + * "/path/fragments/:1/more/fragments/:2" + * the resulting capture will be + * {{"capture", "1"}, {"second_capture", "2"}} + */ +class PathParamsMatcher : public MatcherBase { +public: + PathParamsMatcher(const std::string &pattern); + + bool match(Request &request) const override; + +private: + static constexpr char marker = ':'; + // Treat segment separators as the end of path parameter capture + // Does not need to handle query parameters as they are parsed before path + // matching + static constexpr char separator = '/'; + + // Contains static path fragments to match against, excluding the '/' after + // path params + // Fragments are separated by path params + std::vector static_fragments_; + // Stores the names of the path parameters to be used as keys in the + // Request::path_params map + std::vector param_names_; +}; + +/** + * Performs std::regex_match on request path + * and stores the result in Request::matches + * + * Note that regex match is performed directly on the whole request. + * This means that wildcard patterns may match multiple path segments with /: + * "/begin/(.*)/end" will match both "/begin/middle/end" and "/begin/1/2/end". + */ +class RegexMatcher : public MatcherBase { +public: + RegexMatcher(const std::string &pattern) : regex_(pattern) {} + + bool match(Request &request) const override; + +private: + std::regex regex_; +}; + +ssize_t write_headers(Stream &strm, const Headers &headers); + +} // namespace detail class Server { public: using Handler = std::function; + + using ExceptionHandler = + std::function; + + enum class HandlerResponse { + Handled, + Unhandled, + }; + using HandlerWithResponse = + std::function; + using HandlerWithContentReader = std::function; + using Expect100ContinueHandler = std::function; @@ -608,47 +767,69 @@ public: virtual bool is_valid() const; - Server &Get(const char *pattern, Handler handler); - Server &Post(const char *pattern, Handler handler); - Server &Post(const char *pattern, HandlerWithContentReader handler); - Server &Put(const char *pattern, Handler handler); - Server &Put(const char *pattern, HandlerWithContentReader handler); - Server &Patch(const char *pattern, Handler handler); - Server &Patch(const char *pattern, HandlerWithContentReader handler); - Server &Delete(const char *pattern, Handler handler); - Server &Delete(const char *pattern, HandlerWithContentReader handler); - Server &Options(const char *pattern, Handler handler); + Server &Get(const std::string &pattern, Handler handler); + Server &Post(const std::string &pattern, Handler handler); + Server &Post(const std::string &pattern, HandlerWithContentReader handler); + Server &Put(const std::string &pattern, Handler handler); + Server &Put(const std::string &pattern, HandlerWithContentReader handler); + Server &Patch(const std::string &pattern, Handler handler); + Server &Patch(const std::string &pattern, HandlerWithContentReader handler); + Server &Delete(const std::string &pattern, Handler handler); + Server &Delete(const std::string &pattern, HandlerWithContentReader handler); + Server &Options(const std::string &pattern, Handler handler); - bool set_base_dir(const char *dir, const char *mount_point = nullptr); - bool set_mount_point(const char *mount_point, const char *dir, + bool set_base_dir(const std::string &dir, + const std::string &mount_point = std::string()); + bool set_mount_point(const std::string &mount_point, const std::string &dir, Headers headers = Headers()); - bool remove_mount_point(const char *mount_point); - void set_file_extension_and_mimetype_mapping(const char *ext, - const char *mime); - void set_file_request_handler(Handler handler); + bool remove_mount_point(const std::string &mount_point); + Server &set_file_extension_and_mimetype_mapping(const std::string &ext, + const std::string &mime); + Server &set_default_file_mimetype(const std::string &mime); + Server &set_file_request_handler(Handler handler); - void set_error_handler(Handler handler); - void set_expect_100_continue_handler(Expect100ContinueHandler handler); - void set_logger(Logger logger); + Server &set_error_handler(HandlerWithResponse handler); + Server &set_error_handler(Handler handler); + Server &set_exception_handler(ExceptionHandler handler); + Server &set_pre_routing_handler(HandlerWithResponse handler); + Server &set_post_routing_handler(Handler handler); - void set_tcp_nodelay(bool on); - void set_socket_options(SocketOptions socket_options); + Server &set_expect_100_continue_handler(Expect100ContinueHandler handler); + Server &set_logger(Logger logger); - void set_keep_alive_max_count(size_t count); - void set_keep_alive_timeout(time_t sec); - void set_read_timeout(time_t sec, time_t usec = 0); - void set_write_timeout(time_t sec, time_t usec = 0); - void set_idle_interval(time_t sec, time_t usec = 0); + Server &set_address_family(int family); + Server &set_tcp_nodelay(bool on); + Server &set_socket_options(SocketOptions socket_options); - void set_payload_max_length(size_t length); + Server &set_default_headers(Headers headers); + Server & + set_header_writer(std::function const &writer); - bool bind_to_port(const char *host, int port, int socket_flags = 0); - int bind_to_any_port(const char *host, int socket_flags = 0); + Server &set_keep_alive_max_count(size_t count); + Server &set_keep_alive_timeout(time_t sec); + + Server &set_read_timeout(time_t sec, time_t usec = 0); + template + Server &set_read_timeout(const std::chrono::duration &duration); + + Server &set_write_timeout(time_t sec, time_t usec = 0); + template + Server &set_write_timeout(const std::chrono::duration &duration); + + Server &set_idle_interval(time_t sec, time_t usec = 0); + template + Server &set_idle_interval(const std::chrono::duration &duration); + + Server &set_payload_max_length(size_t length); + + bool bind_to_port(const std::string &host, int port, int socket_flags = 0); + int bind_to_any_port(const std::string &host, int socket_flags = 0); bool listen_after_bind(); - bool listen(const char *host, int port, int socket_flags = 0); + bool listen(const std::string &host, int port, int socket_flags = 0); bool is_running() const; + void wait_until_ready() const; void stop(); std::function new_task_queue; @@ -658,7 +839,7 @@ protected: bool &connection_closed, const std::function &setup_request); - std::atomic svr_sock_; + std::atomic svr_sock_{INVALID_SOCKET}; size_t keep_alive_max_count_ = CPPHTTPLIB_KEEPALIVE_MAX_COUNT; time_t keep_alive_timeout_sec_ = CPPHTTPLIB_KEEPALIVE_TIMEOUT_SECOND; time_t read_timeout_sec_ = CPPHTTPLIB_READ_TIMEOUT_SECOND; @@ -670,17 +851,24 @@ protected: size_t payload_max_length_ = CPPHTTPLIB_PAYLOAD_MAX_LENGTH; private: - using Handlers = std::vector>; + using Handlers = + std::vector, Handler>>; using HandlersForContentReader = - std::vector>; + std::vector, + HandlerWithContentReader>>; - socket_t create_server_socket(const char *host, int port, int socket_flags, + static std::unique_ptr + make_matcher(const std::string &pattern); + + socket_t create_server_socket(const std::string &host, int port, + int socket_flags, SocketOptions socket_options) const; - int bind_internal(const char *host, int port, int socket_flags); + int bind_internal(const std::string &host, int port, int socket_flags); bool listen_internal(); bool routing(Request &req, Response &res, Stream &strm); - bool handle_file_request(Request &req, Response &res, bool head = false); + bool handle_file_request(const Request &req, Response &res, + bool head = false); bool dispatch_request(Request &req, Response &res, const Handlers &handlers); bool dispatch_request_for_content_reader(Request &req, Response &res, @@ -708,21 +896,24 @@ private: ContentReceiver multipart_receiver); bool read_content_core(Stream &strm, Request &req, Response &res, ContentReceiver receiver, - MultipartContentHeader mulitpart_header, + MultipartContentHeader multipart_header, ContentReceiver multipart_receiver); virtual bool process_and_close_socket(socket_t sock); + std::atomic is_running_{false}; + std::atomic done_{false}; + struct MountPointEntry { std::string mount_point; std::string base_dir; Headers headers; }; std::vector base_dirs_; - - std::atomic is_running_; std::map file_extension_and_mimetype_map_; + std::string default_file_mimetype_ = "application/octet-stream"; Handler file_request_handler_; + Handlers get_handlers_; Handlers post_handlers_; HandlersForContentReader post_handlers_for_content_reader_; @@ -733,15 +924,25 @@ private: Handlers delete_handlers_; HandlersForContentReader delete_handlers_for_content_reader_; Handlers options_handlers_; - Handler error_handler_; - Logger logger_; + + HandlerWithResponse error_handler_; + ExceptionHandler exception_handler_; + HandlerWithResponse pre_routing_handler_; + Handler post_routing_handler_; Expect100ContinueHandler expect_100_continue_handler_; + Logger logger_; + + int address_family_ = AF_UNSPEC; bool tcp_nodelay_ = CPPHTTPLIB_TCP_NODELAY; SocketOptions socket_options_ = default_socket_options; + + Headers default_headers_; + std::function header_writer_ = + detail::write_headers; }; -enum Error { +enum class Error { Success = 0, Unknown, Connection, @@ -755,12 +956,25 @@ enum Error { SSLServerVerification, UnsupportedMultipartBoundaryChars, Compression, + ConnectionTimeout, + ProxyConnection, + + // For internal use only + SSLPeerCouldBeClosed_, }; +std::string to_string(const Error error); + +std::ostream &operator<<(std::ostream &os, const Error &obj); + class Result { public: - Result(std::unique_ptr res, Error err) - : res_(std::move(res)), err_(err) {} + Result() = default; + Result(std::unique_ptr &&res, Error err, + Headers &&request_headers = Headers{}) + : res_(std::move(res)), err_(err), + request_headers_(std::move(request_headers)) {} + // Response operator bool() const { return res_ != nullptr; } bool operator==(std::nullptr_t) const { return res_ == nullptr; } bool operator!=(std::nullptr_t) const { return res_ != nullptr; } @@ -770,11 +984,22 @@ public: Response &operator*() { return *res_; } const Response *operator->() const { return res_.get(); } Response *operator->() { return res_.get(); } + + // Error Error error() const { return err_; } + // Request Headers + bool has_request_header(const std::string &key) const; + std::string get_request_header_value(const std::string &key, + size_t id = 0) const; + uint64_t get_request_header_value_u64(const std::string &key, + size_t id = 0) const; + size_t get_request_header_value_count(const std::string &key) const; + private: std::unique_ptr res_; - Error err_; + Error err_ = Error::Unknown; + Headers request_headers_; }; class ClientImpl { @@ -791,130 +1016,212 @@ public: virtual bool is_valid() const; - Result Get(const char *path); - Result Get(const char *path, const Headers &headers); - Result Get(const char *path, Progress progress); - Result Get(const char *path, const Headers &headers, Progress progress); - Result Get(const char *path, ContentReceiver content_receiver); - Result Get(const char *path, const Headers &headers, - ContentReceiver content_receiver); - Result Get(const char *path, ContentReceiver content_receiver, + Result Get(const std::string &path); + Result Get(const std::string &path, const Headers &headers); + Result Get(const std::string &path, Progress progress); + Result Get(const std::string &path, const Headers &headers, Progress progress); - Result Get(const char *path, const Headers &headers, - ContentReceiver content_receiver, Progress progress); - Result Get(const char *path, ResponseHandler response_handler, + Result Get(const std::string &path, ContentReceiver content_receiver); + Result Get(const std::string &path, const Headers &headers, ContentReceiver content_receiver); - Result Get(const char *path, const Headers &headers, + Result Get(const std::string &path, ContentReceiver content_receiver, + Progress progress); + Result Get(const std::string &path, const Headers &headers, + ContentReceiver content_receiver, Progress progress); + Result Get(const std::string &path, ResponseHandler response_handler, + ContentReceiver content_receiver); + Result Get(const std::string &path, const Headers &headers, ResponseHandler response_handler, ContentReceiver content_receiver); - Result Get(const char *path, ResponseHandler response_handler, + Result Get(const std::string &path, ResponseHandler response_handler, ContentReceiver content_receiver, Progress progress); - Result Get(const char *path, const Headers &headers, + Result Get(const std::string &path, const Headers &headers, ResponseHandler response_handler, ContentReceiver content_receiver, Progress progress); - Result Head(const char *path); - Result Head(const char *path, const Headers &headers); + Result Get(const std::string &path, const Params ¶ms, + const Headers &headers, Progress progress = nullptr); + Result Get(const std::string &path, const Params ¶ms, + const Headers &headers, ContentReceiver content_receiver, + Progress progress = nullptr); + Result Get(const std::string &path, const Params ¶ms, + const Headers &headers, ResponseHandler response_handler, + ContentReceiver content_receiver, Progress progress = nullptr); - Result Post(const char *path); - Result Post(const char *path, const std::string &body, - const char *content_type); - Result Post(const char *path, const Headers &headers, const std::string &body, - const char *content_type); - Result Post(const char *path, size_t content_length, - ContentProvider content_provider, const char *content_type); - Result Post(const char *path, ContentProviderWithoutLength content_provider, - const char *content_type); - Result Post(const char *path, const Headers &headers, size_t content_length, - ContentProvider content_provider, const char *content_type); - Result Post(const char *path, const Headers &headers, + Result Head(const std::string &path); + Result Head(const std::string &path, const Headers &headers); + + Result Post(const std::string &path); + Result Post(const std::string &path, const Headers &headers); + Result Post(const std::string &path, const char *body, size_t content_length, + const std::string &content_type); + Result Post(const std::string &path, const Headers &headers, const char *body, + size_t content_length, const std::string &content_type); + Result Post(const std::string &path, const std::string &body, + const std::string &content_type); + Result Post(const std::string &path, const Headers &headers, + const std::string &body, const std::string &content_type); + Result Post(const std::string &path, size_t content_length, + ContentProvider content_provider, + const std::string &content_type); + Result Post(const std::string &path, ContentProviderWithoutLength content_provider, - const char *content_type); - Result Post(const char *path, const Params ¶ms); - Result Post(const char *path, const Headers &headers, const Params ¶ms); - Result Post(const char *path, const MultipartFormDataItems &items); - Result Post(const char *path, const Headers &headers, + const std::string &content_type); + Result Post(const std::string &path, const Headers &headers, + size_t content_length, ContentProvider content_provider, + const std::string &content_type); + Result Post(const std::string &path, const Headers &headers, + ContentProviderWithoutLength content_provider, + const std::string &content_type); + Result Post(const std::string &path, const Params ¶ms); + Result Post(const std::string &path, const Headers &headers, + const Params ¶ms); + Result Post(const std::string &path, const MultipartFormDataItems &items); + Result Post(const std::string &path, const Headers &headers, const MultipartFormDataItems &items); - Result Post(const char *path, const Headers &headers, + Result Post(const std::string &path, const Headers &headers, const MultipartFormDataItems &items, const std::string &boundary); + Result Post(const std::string &path, const Headers &headers, + const MultipartFormDataItems &items, + const MultipartFormDataProviderItems &provider_items); - Result Put(const char *path); - Result Put(const char *path, const std::string &body, - const char *content_type); - Result Put(const char *path, const Headers &headers, const std::string &body, - const char *content_type); - Result Put(const char *path, size_t content_length, - ContentProvider content_provider, const char *content_type); - Result Put(const char *path, ContentProviderWithoutLength content_provider, - const char *content_type); - Result Put(const char *path, const Headers &headers, size_t content_length, - ContentProvider content_provider, const char *content_type); - Result Put(const char *path, const Headers &headers, + Result Put(const std::string &path); + Result Put(const std::string &path, const char *body, size_t content_length, + const std::string &content_type); + Result Put(const std::string &path, const Headers &headers, const char *body, + size_t content_length, const std::string &content_type); + Result Put(const std::string &path, const std::string &body, + const std::string &content_type); + Result Put(const std::string &path, const Headers &headers, + const std::string &body, const std::string &content_type); + Result Put(const std::string &path, size_t content_length, + ContentProvider content_provider, const std::string &content_type); + Result Put(const std::string &path, ContentProviderWithoutLength content_provider, - const char *content_type); - Result Put(const char *path, const Params ¶ms); - Result Put(const char *path, const Headers &headers, const Params ¶ms); + const std::string &content_type); + Result Put(const std::string &path, const Headers &headers, + size_t content_length, ContentProvider content_provider, + const std::string &content_type); + Result Put(const std::string &path, const Headers &headers, + ContentProviderWithoutLength content_provider, + const std::string &content_type); + Result Put(const std::string &path, const Params ¶ms); + Result Put(const std::string &path, const Headers &headers, + const Params ¶ms); + Result Put(const std::string &path, const MultipartFormDataItems &items); + Result Put(const std::string &path, const Headers &headers, + const MultipartFormDataItems &items); + Result Put(const std::string &path, const Headers &headers, + const MultipartFormDataItems &items, const std::string &boundary); + Result Put(const std::string &path, const Headers &headers, + const MultipartFormDataItems &items, + const MultipartFormDataProviderItems &provider_items); - Result Patch(const char *path, const std::string &body, - const char *content_type); - Result Patch(const char *path, const Headers &headers, - const std::string &body, const char *content_type); - Result Patch(const char *path, size_t content_length, - ContentProvider content_provider, const char *content_type); - Result Patch(const char *path, ContentProviderWithoutLength content_provider, - const char *content_type); - Result Patch(const char *path, const Headers &headers, size_t content_length, - ContentProvider content_provider, const char *content_type); - Result Patch(const char *path, const Headers &headers, + Result Patch(const std::string &path); + Result Patch(const std::string &path, const char *body, size_t content_length, + const std::string &content_type); + Result Patch(const std::string &path, const Headers &headers, + const char *body, size_t content_length, + const std::string &content_type); + Result Patch(const std::string &path, const std::string &body, + const std::string &content_type); + Result Patch(const std::string &path, const Headers &headers, + const std::string &body, const std::string &content_type); + Result Patch(const std::string &path, size_t content_length, + ContentProvider content_provider, + const std::string &content_type); + Result Patch(const std::string &path, ContentProviderWithoutLength content_provider, - const char *content_type); + const std::string &content_type); + Result Patch(const std::string &path, const Headers &headers, + size_t content_length, ContentProvider content_provider, + const std::string &content_type); + Result Patch(const std::string &path, const Headers &headers, + ContentProviderWithoutLength content_provider, + const std::string &content_type); - Result Delete(const char *path); - Result Delete(const char *path, const std::string &body, - const char *content_type); - Result Delete(const char *path, const Headers &headers); - Result Delete(const char *path, const Headers &headers, - const std::string &body, const char *content_type); + Result Delete(const std::string &path); + Result Delete(const std::string &path, const Headers &headers); + Result Delete(const std::string &path, const char *body, + size_t content_length, const std::string &content_type); + Result Delete(const std::string &path, const Headers &headers, + const char *body, size_t content_length, + const std::string &content_type); + Result Delete(const std::string &path, const std::string &body, + const std::string &content_type); + Result Delete(const std::string &path, const Headers &headers, + const std::string &body, const std::string &content_type); - Result Options(const char *path); - Result Options(const char *path, const Headers &headers); + Result Options(const std::string &path); + Result Options(const std::string &path, const Headers &headers); - bool send(const Request &req, Response &res, Error &error); + bool send(Request &req, Response &res, Error &error); Result send(const Request &req); - size_t is_socket_open() const; - void stop(); + std::string host() const; + int port() const; + + size_t is_socket_open() const; + socket_t socket() const; + + void set_hostname_addr_map(std::map addr_map); + void set_default_headers(Headers headers); + void + set_header_writer(std::function const &writer); + + void set_address_family(int family); void set_tcp_nodelay(bool on); void set_socket_options(SocketOptions socket_options); void set_connection_timeout(time_t sec, time_t usec = 0); - void set_read_timeout(time_t sec, time_t usec = 0); - void set_write_timeout(time_t sec, time_t usec = 0); + template + void + set_connection_timeout(const std::chrono::duration &duration); - void set_basic_auth(const char *username, const char *password); - void set_bearer_token_auth(const char *token); + void set_read_timeout(time_t sec, time_t usec = 0); + template + void set_read_timeout(const std::chrono::duration &duration); + + void set_write_timeout(time_t sec, time_t usec = 0); + template + void set_write_timeout(const std::chrono::duration &duration); + + void set_basic_auth(const std::string &username, const std::string &password); + void set_bearer_token_auth(const std::string &token); #ifdef CPPHTTPLIB_OPENSSL_SUPPORT - void set_digest_auth(const char *username, const char *password); + void set_digest_auth(const std::string &username, + const std::string &password); #endif void set_keep_alive(bool on); void set_follow_location(bool on); + void set_url_encode(bool on); + void set_compress(bool on); void set_decompress(bool on); - void set_interface(const char *intf); + void set_interface(const std::string &intf); - void set_proxy(const char *host, int port); - void set_proxy_basic_auth(const char *username, const char *password); - void set_proxy_bearer_token_auth(const char *token); + void set_proxy(const std::string &host, int port); + void set_proxy_basic_auth(const std::string &username, + const std::string &password); + void set_proxy_bearer_token_auth(const std::string &token); #ifdef CPPHTTPLIB_OPENSSL_SUPPORT - void set_proxy_digest_auth(const char *username, const char *password); + void set_proxy_digest_auth(const std::string &username, + const std::string &password); +#endif + +#ifdef CPPHTTPLIB_OPENSSL_SUPPORT + void set_ca_cert_path(const std::string &ca_cert_file_path, + const std::string &ca_cert_dir_path = std::string()); + void set_ca_cert_store(X509_STORE *ca_cert_store); + X509_STORE *create_ca_cert_store(const char *ca_cert, std::size_t size); #endif #ifdef CPPHTTPLIB_OPENSSL_SUPPORT @@ -946,11 +1253,7 @@ protected: void shutdown_socket(Socket &socket); void close_socket(Socket &socket); - // Similar to shutdown_ssl and close_socket, this should NOT be called - // concurrently with a DIFFERENT thread sending requests from the socket - void lock_socket_and_shutdown_and_close(); - - bool process_request(Stream &strm, const Request &req, Response &res, + bool process_request(Stream &strm, Request &req, Response &res, bool close_connection, Error &error); bool write_content_with_provider(Stream &strm, const Request &req, @@ -958,7 +1261,7 @@ protected: void copy_settings(const ClientImpl &rhs); - // Socket endoint information + // Socket endpoint information const std::string host_; const int port_; const std::string host_and_port_; @@ -973,9 +1276,16 @@ protected: std::thread::id socket_requests_are_from_thread_ = std::thread::id(); bool socket_should_be_closed_when_request_is_done_ = false; + // Hostname-IP map + std::map addr_map_; + // Default headers Headers default_headers_; + // Header writer + std::function header_writer_ = + detail::write_headers; + // Settings std::string client_cert_path_; std::string client_key_path_; @@ -998,6 +1308,9 @@ protected: bool keep_alive_ = false; bool follow_location_ = false; + bool url_encode_ = true; + + int address_family_ = AF_UNSPEC; bool tcp_nodelay_ = CPPHTTPLIB_TCP_NODELAY; SocketOptions socket_options_ = nullptr; @@ -1017,6 +1330,13 @@ protected: std::string proxy_digest_auth_password_; #endif +#ifdef CPPHTTPLIB_OPENSSL_SUPPORT + std::string ca_cert_file_path_; + std::string ca_cert_dir_path_; + + X509_STORE *ca_cert_store_ = nullptr; +#endif + #ifdef CPPHTTPLIB_OPENSSL_SUPPORT bool server_certificate_verification_ = true; #endif @@ -1024,25 +1344,32 @@ protected: Logger logger_; private: + bool send_(Request &req, Response &res, Error &error); + Result send_(Request &&req); + socket_t create_client_socket(Error &error) const; bool read_response_line(Stream &strm, const Request &req, Response &res); - bool write_request(Stream &strm, const Request &req, bool close_connection, + bool write_request(Stream &strm, Request &req, bool close_connection, Error &error); - bool redirect(const Request &req, Response &res, Error &error); - bool handle_request(Stream &strm, const Request &req, Response &res, + bool redirect(Request &req, Response &res, Error &error); + bool handle_request(Stream &strm, Request &req, Response &res, bool close_connection, Error &error); std::unique_ptr send_with_content_provider( - const char *method, const char *path, const Headers &headers, - const std::string &body, size_t content_length, + Request &req, const char *body, size_t content_length, ContentProvider content_provider, ContentProviderWithoutLength content_provider_without_length, - const char *content_type, Error &error); + const std::string &content_type, Error &error); Result send_with_content_provider( - const char *method, const char *path, const Headers &headers, - const std::string &body, size_t content_length, + const std::string &method, const std::string &path, + const Headers &headers, const char *body, size_t content_length, ContentProvider content_provider, ContentProviderWithoutLength content_provider_without_length, - const char *content_type); + const std::string &content_type); + ContentProviderWithoutLength get_multipart_content_provider( + const std::string &boundary, const MultipartFormDataItems &items, + const MultipartFormDataProviderItems &provider_items); + + std::string adjust_host_string(const std::string &host) const; virtual bool process_socket(const Socket &socket, std::function callback); @@ -1052,9 +1379,9 @@ private: class Client { public: // Universal interface - explicit Client(const char *scheme_host_port); + explicit Client(const std::string &scheme_host_port); - explicit Client(const char *scheme_host_port, + explicit Client(const std::string &scheme_host_port, const std::string &client_cert_path, const std::string &client_key_path); @@ -1065,132 +1392,211 @@ public: const std::string &client_cert_path, const std::string &client_key_path); + Client(Client &&) = default; + ~Client(); bool is_valid() const; - Result Get(const char *path); - Result Get(const char *path, const Headers &headers); - Result Get(const char *path, Progress progress); - Result Get(const char *path, const Headers &headers, Progress progress); - Result Get(const char *path, ContentReceiver content_receiver); - Result Get(const char *path, const Headers &headers, - ContentReceiver content_receiver); - Result Get(const char *path, ContentReceiver content_receiver, + Result Get(const std::string &path); + Result Get(const std::string &path, const Headers &headers); + Result Get(const std::string &path, Progress progress); + Result Get(const std::string &path, const Headers &headers, Progress progress); - Result Get(const char *path, const Headers &headers, - ContentReceiver content_receiver, Progress progress); - Result Get(const char *path, ResponseHandler response_handler, + Result Get(const std::string &path, ContentReceiver content_receiver); + Result Get(const std::string &path, const Headers &headers, ContentReceiver content_receiver); - Result Get(const char *path, const Headers &headers, + Result Get(const std::string &path, ContentReceiver content_receiver, + Progress progress); + Result Get(const std::string &path, const Headers &headers, + ContentReceiver content_receiver, Progress progress); + Result Get(const std::string &path, ResponseHandler response_handler, + ContentReceiver content_receiver); + Result Get(const std::string &path, const Headers &headers, ResponseHandler response_handler, ContentReceiver content_receiver); - Result Get(const char *path, const Headers &headers, + Result Get(const std::string &path, const Headers &headers, ResponseHandler response_handler, ContentReceiver content_receiver, Progress progress); - Result Get(const char *path, ResponseHandler response_handler, + Result Get(const std::string &path, ResponseHandler response_handler, ContentReceiver content_receiver, Progress progress); - Result Head(const char *path); - Result Head(const char *path, const Headers &headers); + Result Get(const std::string &path, const Params ¶ms, + const Headers &headers, Progress progress = nullptr); + Result Get(const std::string &path, const Params ¶ms, + const Headers &headers, ContentReceiver content_receiver, + Progress progress = nullptr); + Result Get(const std::string &path, const Params ¶ms, + const Headers &headers, ResponseHandler response_handler, + ContentReceiver content_receiver, Progress progress = nullptr); - Result Post(const char *path); - Result Post(const char *path, const std::string &body, - const char *content_type); - Result Post(const char *path, const Headers &headers, const std::string &body, - const char *content_type); - Result Post(const char *path, size_t content_length, - ContentProvider content_provider, const char *content_type); - Result Post(const char *path, ContentProviderWithoutLength content_provider, - const char *content_type); - Result Post(const char *path, const Headers &headers, size_t content_length, - ContentProvider content_provider, const char *content_type); - Result Post(const char *path, const Headers &headers, + Result Head(const std::string &path); + Result Head(const std::string &path, const Headers &headers); + + Result Post(const std::string &path); + Result Post(const std::string &path, const Headers &headers); + Result Post(const std::string &path, const char *body, size_t content_length, + const std::string &content_type); + Result Post(const std::string &path, const Headers &headers, const char *body, + size_t content_length, const std::string &content_type); + Result Post(const std::string &path, const std::string &body, + const std::string &content_type); + Result Post(const std::string &path, const Headers &headers, + const std::string &body, const std::string &content_type); + Result Post(const std::string &path, size_t content_length, + ContentProvider content_provider, + const std::string &content_type); + Result Post(const std::string &path, ContentProviderWithoutLength content_provider, - const char *content_type); - Result Post(const char *path, const Params ¶ms); - Result Post(const char *path, const Headers &headers, const Params ¶ms); - Result Post(const char *path, const MultipartFormDataItems &items); - Result Post(const char *path, const Headers &headers, + const std::string &content_type); + Result Post(const std::string &path, const Headers &headers, + size_t content_length, ContentProvider content_provider, + const std::string &content_type); + Result Post(const std::string &path, const Headers &headers, + ContentProviderWithoutLength content_provider, + const std::string &content_type); + Result Post(const std::string &path, const Params ¶ms); + Result Post(const std::string &path, const Headers &headers, + const Params ¶ms); + Result Post(const std::string &path, const MultipartFormDataItems &items); + Result Post(const std::string &path, const Headers &headers, const MultipartFormDataItems &items); - Result Post(const char *path, const Headers &headers, + Result Post(const std::string &path, const Headers &headers, const MultipartFormDataItems &items, const std::string &boundary); - Result Put(const char *path); - Result Put(const char *path, const std::string &body, - const char *content_type); - Result Put(const char *path, const Headers &headers, const std::string &body, - const char *content_type); - Result Put(const char *path, size_t content_length, - ContentProvider content_provider, const char *content_type); - Result Put(const char *path, ContentProviderWithoutLength content_provider, - const char *content_type); - Result Put(const char *path, const Headers &headers, size_t content_length, - ContentProvider content_provider, const char *content_type); - Result Put(const char *path, const Headers &headers, + Result Post(const std::string &path, const Headers &headers, + const MultipartFormDataItems &items, + const MultipartFormDataProviderItems &provider_items); + + Result Put(const std::string &path); + Result Put(const std::string &path, const char *body, size_t content_length, + const std::string &content_type); + Result Put(const std::string &path, const Headers &headers, const char *body, + size_t content_length, const std::string &content_type); + Result Put(const std::string &path, const std::string &body, + const std::string &content_type); + Result Put(const std::string &path, const Headers &headers, + const std::string &body, const std::string &content_type); + Result Put(const std::string &path, size_t content_length, + ContentProvider content_provider, const std::string &content_type); + Result Put(const std::string &path, ContentProviderWithoutLength content_provider, - const char *content_type); - Result Put(const char *path, const Params ¶ms); - Result Put(const char *path, const Headers &headers, const Params ¶ms); - Result Patch(const char *path, const std::string &body, - const char *content_type); - Result Patch(const char *path, const Headers &headers, - const std::string &body, const char *content_type); - Result Patch(const char *path, size_t content_length, - ContentProvider content_provider, const char *content_type); - Result Patch(const char *path, ContentProviderWithoutLength content_provider, - const char *content_type); - Result Patch(const char *path, const Headers &headers, size_t content_length, - ContentProvider content_provider, const char *content_type); - Result Patch(const char *path, const Headers &headers, + const std::string &content_type); + Result Put(const std::string &path, const Headers &headers, + size_t content_length, ContentProvider content_provider, + const std::string &content_type); + Result Put(const std::string &path, const Headers &headers, + ContentProviderWithoutLength content_provider, + const std::string &content_type); + Result Put(const std::string &path, const Params ¶ms); + Result Put(const std::string &path, const Headers &headers, + const Params ¶ms); + Result Put(const std::string &path, const MultipartFormDataItems &items); + Result Put(const std::string &path, const Headers &headers, + const MultipartFormDataItems &items); + Result Put(const std::string &path, const Headers &headers, + const MultipartFormDataItems &items, const std::string &boundary); + Result Put(const std::string &path, const Headers &headers, + const MultipartFormDataItems &items, + const MultipartFormDataProviderItems &provider_items); + + Result Patch(const std::string &path); + Result Patch(const std::string &path, const char *body, size_t content_length, + const std::string &content_type); + Result Patch(const std::string &path, const Headers &headers, + const char *body, size_t content_length, + const std::string &content_type); + Result Patch(const std::string &path, const std::string &body, + const std::string &content_type); + Result Patch(const std::string &path, const Headers &headers, + const std::string &body, const std::string &content_type); + Result Patch(const std::string &path, size_t content_length, + ContentProvider content_provider, + const std::string &content_type); + Result Patch(const std::string &path, ContentProviderWithoutLength content_provider, - const char *content_type); + const std::string &content_type); + Result Patch(const std::string &path, const Headers &headers, + size_t content_length, ContentProvider content_provider, + const std::string &content_type); + Result Patch(const std::string &path, const Headers &headers, + ContentProviderWithoutLength content_provider, + const std::string &content_type); - Result Delete(const char *path); - Result Delete(const char *path, const std::string &body, - const char *content_type); - Result Delete(const char *path, const Headers &headers); - Result Delete(const char *path, const Headers &headers, - const std::string &body, const char *content_type); + Result Delete(const std::string &path); + Result Delete(const std::string &path, const Headers &headers); + Result Delete(const std::string &path, const char *body, + size_t content_length, const std::string &content_type); + Result Delete(const std::string &path, const Headers &headers, + const char *body, size_t content_length, + const std::string &content_type); + Result Delete(const std::string &path, const std::string &body, + const std::string &content_type); + Result Delete(const std::string &path, const Headers &headers, + const std::string &body, const std::string &content_type); - Result Options(const char *path); - Result Options(const char *path, const Headers &headers); + Result Options(const std::string &path); + Result Options(const std::string &path, const Headers &headers); - bool send(const Request &req, Response &res, Error &error); + bool send(Request &req, Response &res, Error &error); Result send(const Request &req); - size_t is_socket_open() const; - void stop(); + std::string host() const; + int port() const; + + size_t is_socket_open() const; + socket_t socket() const; + + void set_hostname_addr_map(std::map addr_map); + void set_default_headers(Headers headers); + void + set_header_writer(std::function const &writer); + + void set_address_family(int family); void set_tcp_nodelay(bool on); void set_socket_options(SocketOptions socket_options); void set_connection_timeout(time_t sec, time_t usec = 0); - void set_read_timeout(time_t sec, time_t usec = 0); - void set_write_timeout(time_t sec, time_t usec = 0); + template + void + set_connection_timeout(const std::chrono::duration &duration); - void set_basic_auth(const char *username, const char *password); - void set_bearer_token_auth(const char *token); + void set_read_timeout(time_t sec, time_t usec = 0); + template + void set_read_timeout(const std::chrono::duration &duration); + + void set_write_timeout(time_t sec, time_t usec = 0); + template + void set_write_timeout(const std::chrono::duration &duration); + + void set_basic_auth(const std::string &username, const std::string &password); + void set_bearer_token_auth(const std::string &token); #ifdef CPPHTTPLIB_OPENSSL_SUPPORT - void set_digest_auth(const char *username, const char *password); + void set_digest_auth(const std::string &username, + const std::string &password); #endif void set_keep_alive(bool on); void set_follow_location(bool on); + void set_url_encode(bool on); + void set_compress(bool on); void set_decompress(bool on); - void set_interface(const char *intf); + void set_interface(const std::string &intf); - void set_proxy(const char *host, int port); - void set_proxy_basic_auth(const char *username, const char *password); - void set_proxy_bearer_token_auth(const char *token); + void set_proxy(const std::string &host, int port); + void set_proxy_basic_auth(const std::string &username, + const std::string &password); + void set_proxy_bearer_token_auth(const std::string &token); #ifdef CPPHTTPLIB_OPENSSL_SUPPORT - void set_proxy_digest_auth(const char *username, const char *password); + void set_proxy_digest_auth(const std::string &username, + const std::string &password); #endif #ifdef CPPHTTPLIB_OPENSSL_SUPPORT @@ -1201,10 +1607,11 @@ public: // SSL #ifdef CPPHTTPLIB_OPENSSL_SUPPORT - void set_ca_cert_path(const char *ca_cert_file_path, - const char *ca_cert_dir_path = nullptr); + void set_ca_cert_path(const std::string &ca_cert_file_path, + const std::string &ca_cert_dir_path = std::string()); void set_ca_cert_store(X509_STORE *ca_cert_store); + void load_ca_cert_store(const char *ca_cert, std::size_t size); long get_openssl_verify_result() const; @@ -1224,15 +1631,21 @@ class SSLServer : public Server { public: SSLServer(const char *cert_path, const char *private_key_path, const char *client_ca_cert_file_path = nullptr, - const char *client_ca_cert_dir_path = nullptr); + const char *client_ca_cert_dir_path = nullptr, + const char *private_key_password = nullptr); SSLServer(X509 *cert, EVP_PKEY *private_key, X509_STORE *client_ca_cert_store = nullptr); + SSLServer( + const std::function &setup_ssl_ctx_callback); + ~SSLServer() override; bool is_valid() const override; + SSL_CTX *ssl_context() const; + private: bool process_and_close_socket(socket_t sock) override; @@ -1257,10 +1670,8 @@ public: bool is_valid() const override; - void set_ca_cert_path(const char *ca_cert_file_path, - const char *ca_cert_dir_path = nullptr); - void set_ca_cert_store(X509_STORE *ca_cert_store); + void load_ca_cert_store(const char *ca_cert, std::size_t size); long get_openssl_verify_result() const; @@ -1269,6 +1680,7 @@ public: private: bool create_and_connect_socket(Socket &socket, Error &error) override; void shutdown_ssl(Socket &socket, bool shutdown_gracefully) override; + void shutdown_ssl_impl(Socket &socket, bool shutdown_socket); bool process_socket(const Socket &socket, std::function callback) override; @@ -1291,958 +1703,91 @@ private: std::vector host_components_; - std::string ca_cert_file_path_; - std::string ca_cert_dir_path_; long verify_result_ = 0; friend class ClientImpl; }; #endif -// ---------------------------------------------------------------------------- - /* - * Implementation + * Implementation of template methods. */ namespace detail { -inline bool is_hex(char c, int &v) { - if (0x20 <= c && isdigit(c)) { - v = c - '0'; - return true; - } else if ('A' <= c && c <= 'F') { - v = c - 'A' + 10; - return true; - } else if ('a' <= c && c <= 'f') { - v = c - 'a' + 10; - return true; - } - return false; +template +inline void duration_to_sec_and_usec(const T &duration, U callback) { + auto sec = std::chrono::duration_cast(duration).count(); + auto usec = std::chrono::duration_cast( + duration - std::chrono::seconds(sec)) + .count(); + callback(static_cast(sec), static_cast(usec)); } -inline bool from_hex_to_i(const std::string &s, size_t i, size_t cnt, - int &val) { - if (i >= s.size()) { return false; } +inline uint64_t get_header_value_u64(const Headers &headers, + const std::string &key, size_t id, + uint64_t def) { + auto rng = headers.equal_range(key); + auto it = rng.first; + std::advance(it, static_cast(id)); + if (it != rng.second) { + return std::strtoull(it->second.data(), nullptr, 10); + } + return def; +} - val = 0; - for (; cnt; i++, cnt--) { - if (!s[i]) { return false; } - int v = 0; - if (is_hex(s[i], v)) { - val = val * 16 + v; - } else { - return false; +} // namespace detail + +inline uint64_t Request::get_header_value_u64(const std::string &key, + size_t id) const { + return detail::get_header_value_u64(headers, key, id, 0); +} + +inline uint64_t Response::get_header_value_u64(const std::string &key, + size_t id) const { + return detail::get_header_value_u64(headers, key, id, 0); +} + +template +inline ssize_t Stream::write_format(const char *fmt, const Args &...args) { + const auto bufsiz = 2048; + std::array buf{}; + + auto sn = snprintf(buf.data(), buf.size() - 1, fmt, args...); + if (sn <= 0) { return sn; } + + auto n = static_cast(sn); + + if (n >= buf.size() - 1) { + std::vector glowable_buf(buf.size()); + + while (n >= glowable_buf.size() - 1) { + glowable_buf.resize(glowable_buf.size() * 2); + n = static_cast( + snprintf(&glowable_buf[0], glowable_buf.size() - 1, fmt, args...)); } - } - return true; -} - -inline std::string from_i_to_hex(size_t n) { - const char *charset = "0123456789abcdef"; - std::string ret; - do { - ret = charset[n & 15] + ret; - n >>= 4; - } while (n > 0); - return ret; -} - -inline size_t to_utf8(int code, char *buff) { - if (code < 0x0080) { - buff[0] = (code & 0x7F); - return 1; - } else if (code < 0x0800) { - buff[0] = static_cast(0xC0 | ((code >> 6) & 0x1F)); - buff[1] = static_cast(0x80 | (code & 0x3F)); - return 2; - } else if (code < 0xD800) { - buff[0] = static_cast(0xE0 | ((code >> 12) & 0xF)); - buff[1] = static_cast(0x80 | ((code >> 6) & 0x3F)); - buff[2] = static_cast(0x80 | (code & 0x3F)); - return 3; - } else if (code < 0xE000) { // D800 - DFFF is invalid... - return 0; - } else if (code < 0x10000) { - buff[0] = static_cast(0xE0 | ((code >> 12) & 0xF)); - buff[1] = static_cast(0x80 | ((code >> 6) & 0x3F)); - buff[2] = static_cast(0x80 | (code & 0x3F)); - return 3; - } else if (code < 0x110000) { - buff[0] = static_cast(0xF0 | ((code >> 18) & 0x7)); - buff[1] = static_cast(0x80 | ((code >> 12) & 0x3F)); - buff[2] = static_cast(0x80 | ((code >> 6) & 0x3F)); - buff[3] = static_cast(0x80 | (code & 0x3F)); - return 4; - } - - // NOTREACHED - return 0; -} - -// NOTE: This code came up with the following stackoverflow post: -// https://stackoverflow.com/questions/180947/base64-decode-snippet-in-c -inline std::string base64_encode(const std::string &in) { - static const auto lookup = - "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/"; - - std::string out; - out.reserve(in.size()); - - int val = 0; - int valb = -6; - - for (auto c : in) { - val = (val << 8) + static_cast(c); - valb += 8; - while (valb >= 0) { - out.push_back(lookup[(val >> valb) & 0x3F]); - valb -= 6; - } - } - - if (valb > -6) { out.push_back(lookup[((val << 8) >> (valb + 8)) & 0x3F]); } - - while (out.size() % 4) { - out.push_back('='); - } - - return out; -} - -inline bool is_file(const std::string &path) { - struct stat st; - return stat(path.c_str(), &st) >= 0 && S_ISREG(st.st_mode); -} - -inline bool is_dir(const std::string &path) { - struct stat st; - return stat(path.c_str(), &st) >= 0 && S_ISDIR(st.st_mode); -} - -inline bool is_valid_path(const std::string &path) { - size_t level = 0; - size_t i = 0; - - // Skip slash - while (i < path.size() && path[i] == '/') { - i++; - } - - while (i < path.size()) { - // Read component - auto beg = i; - while (i < path.size() && path[i] != '/') { - i++; - } - - auto len = i - beg; - assert(len > 0); - - if (!path.compare(beg, len, ".")) { - ; - } else if (!path.compare(beg, len, "..")) { - if (level == 0) { return false; } - level--; - } else { - level++; - } - - // Skip slash - while (i < path.size() && path[i] == '/') { - i++; - } - } - - return true; -} - -inline std::string encode_query_param(const std::string &value){ - std::ostringstream escaped; - escaped.fill('0'); - escaped << std::hex; - - for (char const &c: value) { - if (std::isalnum(c) || - c == '-' || - c == '_' || - c == '.' || - c == '!' || - c == '~' || - c == '*' || - c == '\'' || - c == '(' || - c == ')') { - escaped << c; - } else { - escaped << std::uppercase; - escaped << '%' << std::setw(2) << static_cast(static_cast(c)); - escaped << std::nouppercase; - } - } - - return escaped.str(); -} - -inline std::string encode_url(const std::string &s) { - std::string result; - - for (size_t i = 0; s[i]; i++) { - switch (s[i]) { - case ' ': result += "%20"; break; - case '+': result += "%2B"; break; - case '\r': result += "%0D"; break; - case '\n': result += "%0A"; break; - case '\'': result += "%27"; break; - case ',': result += "%2C"; break; - // case ':': result += "%3A"; break; // ok? probably... - case ';': result += "%3B"; break; - default: - auto c = static_cast(s[i]); - if (c >= 0x80) { - result += '%'; - char hex[4]; - auto len = snprintf(hex, sizeof(hex) - 1, "%02X", c); - assert(len == 2); - result.append(hex, static_cast(len)); - } else { - result += s[i]; - } - break; - } - } - - return result; -} - -inline std::string decode_url(const std::string &s, - bool convert_plus_to_space) { - std::string result; - - for (size_t i = 0; i < s.size(); i++) { - if (s[i] == '%' && i + 1 < s.size()) { - if (s[i + 1] == 'u') { - int val = 0; - if (from_hex_to_i(s, i + 2, 4, val)) { - // 4 digits Unicode codes - char buff[4]; - size_t len = to_utf8(val, buff); - if (len > 0) { result.append(buff, len); } - i += 5; // 'u0000' - } else { - result += s[i]; - } - } else { - int val = 0; - if (from_hex_to_i(s, i + 1, 2, val)) { - // 2 digits hex codes - result += static_cast(val); - i += 2; // '00' - } else { - result += s[i]; - } - } - } else if (convert_plus_to_space && s[i] == '+') { - result += ' '; - } else { - result += s[i]; - } - } - - return result; -} - -inline void read_file(const std::string &path, std::string &out) { - std::ifstream fs(path, std::ios_base::binary); - fs.seekg(0, std::ios_base::end); - auto size = fs.tellg(); - fs.seekg(0); - out.resize(static_cast(size)); - fs.read(&out[0], static_cast(size)); -} - -inline std::string file_extension(const std::string &path) { - std::smatch m; - static auto re = std::regex("\\.([a-zA-Z0-9]+)$"); - if (std::regex_search(path, m, re)) { return m[1].str(); } - return std::string(); -} - -inline bool is_space_or_tab(char c) { return c == ' ' || c == '\t'; } - -inline std::pair trim(const char *b, const char *e, size_t left, - size_t right) { - while (b + left < e && is_space_or_tab(b[left])) { - left++; - } - while (right > 0 && is_space_or_tab(b[right - 1])) { - right--; - } - return std::make_pair(left, right); -} - -inline std::string trim_copy(const std::string &s) { - auto r = trim(s.data(), s.data() + s.size(), 0, s.size()); - return s.substr(r.first, r.second - r.first); -} - -template void split(const char *b, const char *e, char d, Fn fn) { - size_t i = 0; - size_t beg = 0; - - while (e ? (b + i < e) : (b[i] != '\0')) { - if (b[i] == d) { - auto r = trim(b, e, beg, i); - if (r.first < r.second) { fn(&b[r.first], &b[r.second]); } - beg = i + 1; - } - i++; - } - - if (i) { - auto r = trim(b, e, beg, i); - if (r.first < r.second) { fn(&b[r.first], &b[r.second]); } - } -} - -// NOTE: until the read size reaches `fixed_buffer_size`, use `fixed_buffer` -// to store data. The call can set memory on stack for performance. -class stream_line_reader { -public: - stream_line_reader(Stream &strm, char *fixed_buffer, size_t fixed_buffer_size) - : strm_(strm), fixed_buffer_(fixed_buffer), - fixed_buffer_size_(fixed_buffer_size) {} - - const char *ptr() const { - if (glowable_buffer_.empty()) { - return fixed_buffer_; - } else { - return glowable_buffer_.data(); - } - } - - size_t size() const { - if (glowable_buffer_.empty()) { - return fixed_buffer_used_size_; - } else { - return glowable_buffer_.size(); - } - } - - bool end_with_crlf() const { - auto end = ptr() + size(); - return size() >= 2 && end[-2] == '\r' && end[-1] == '\n'; - } - - bool getline() { - fixed_buffer_used_size_ = 0; - glowable_buffer_.clear(); - - for (size_t i = 0;; i++) { - char byte; - auto n = strm_.read(&byte, 1); - - if (n < 0) { - return false; - } else if (n == 0) { - if (i == 0) { - return false; - } else { - break; - } - } - - append(byte); - - if (byte == '\n') { break; } - } - - return true; - } - -private: - void append(char c) { - if (fixed_buffer_used_size_ < fixed_buffer_size_ - 1) { - fixed_buffer_[fixed_buffer_used_size_++] = c; - fixed_buffer_[fixed_buffer_used_size_] = '\0'; - } else { - if (glowable_buffer_.empty()) { - assert(fixed_buffer_[fixed_buffer_used_size_] == '\0'); - glowable_buffer_.assign(fixed_buffer_, fixed_buffer_used_size_); - } - glowable_buffer_ += c; - } - } - - Stream &strm_; - char *fixed_buffer_; - const size_t fixed_buffer_size_; - size_t fixed_buffer_used_size_ = 0; - std::string glowable_buffer_; -}; - -inline int close_socket(socket_t sock) { -#ifdef _WIN32 - return closesocket(sock); -#else - return close(sock); -#endif -} - -template inline ssize_t handle_EINTR(T fn) { - ssize_t res = false; - while (true) { - res = fn(); - if (res < 0 && errno == EINTR) { continue; } - break; - } - return res; -} - -inline ssize_t select_read(socket_t sock, time_t sec, time_t usec) { -#ifdef CPPHTTPLIB_USE_POLL - struct pollfd pfd_read; - pfd_read.fd = sock; - pfd_read.events = POLLIN; - - auto timeout = static_cast(sec * 1000 + usec / 1000); - - return handle_EINTR([&]() { return poll(&pfd_read, 1, timeout); }); -#else -#ifndef _WIN32 - if (sock >= FD_SETSIZE) { return 1; } -#endif - - fd_set fds; - FD_ZERO(&fds); - FD_SET(sock, &fds); - - timeval tv; - tv.tv_sec = static_cast(sec); - tv.tv_usec = static_cast(usec); - - return handle_EINTR([&]() { - return select(static_cast(sock + 1), &fds, nullptr, nullptr, &tv); - }); -#endif -} - -inline ssize_t select_write(socket_t sock, time_t sec, time_t usec) { -#ifdef CPPHTTPLIB_USE_POLL - struct pollfd pfd_read; - pfd_read.fd = sock; - pfd_read.events = POLLOUT; - - auto timeout = static_cast(sec * 1000 + usec / 1000); - - return handle_EINTR([&]() { return poll(&pfd_read, 1, timeout); }); -#else -#ifndef _WIN32 - if (sock >= FD_SETSIZE) { return 1; } -#endif - - fd_set fds; - FD_ZERO(&fds); - FD_SET(sock, &fds); - - timeval tv; - tv.tv_sec = static_cast(sec); - tv.tv_usec = static_cast(usec); - - return handle_EINTR([&]() { - return select(static_cast(sock + 1), nullptr, &fds, nullptr, &tv); - }); -#endif -} - -inline bool wait_until_socket_is_ready(socket_t sock, time_t sec, time_t usec) { -#ifdef CPPHTTPLIB_USE_POLL - struct pollfd pfd_read; - pfd_read.fd = sock; - pfd_read.events = POLLIN | POLLOUT; - - auto timeout = static_cast(sec * 1000 + usec / 1000); - - auto poll_res = handle_EINTR([&]() { return poll(&pfd_read, 1, timeout); }); - - if (poll_res > 0 && pfd_read.revents & (POLLIN | POLLOUT)) { - int error = 0; - socklen_t len = sizeof(error); - auto res = getsockopt(sock, SOL_SOCKET, SO_ERROR, - reinterpret_cast(&error), &len); - return res >= 0 && !error; - } - return false; -#else -#ifndef _WIN32 - if (sock >= FD_SETSIZE) { return false; } -#endif - - fd_set fdsr; - FD_ZERO(&fdsr); - FD_SET(sock, &fdsr); - - auto fdsw = fdsr; - auto fdse = fdsr; - - timeval tv; - tv.tv_sec = static_cast(sec); - tv.tv_usec = static_cast(usec); - - auto ret = handle_EINTR([&]() { - return select(static_cast(sock + 1), &fdsr, &fdsw, &fdse, &tv); - }); - - if (ret > 0 && (FD_ISSET(sock, &fdsr) || FD_ISSET(sock, &fdsw))) { - int error = 0; - socklen_t len = sizeof(error); - return getsockopt(sock, SOL_SOCKET, SO_ERROR, - reinterpret_cast(&error), &len) >= 0 && - !error; - } - return false; -#endif -} - -class SocketStream : public Stream { -public: - SocketStream(socket_t sock, time_t read_timeout_sec, time_t read_timeout_usec, - time_t write_timeout_sec, time_t write_timeout_usec); - ~SocketStream() override; - - bool is_readable() const override; - bool is_writable() const override; - ssize_t read(char *ptr, size_t size) override; - ssize_t write(const char *ptr, size_t size) override; - void get_remote_ip_and_port(std::string &ip, int &port) const override; - socket_t socket() const override; - -private: - socket_t sock_; - time_t read_timeout_sec_; - time_t read_timeout_usec_; - time_t write_timeout_sec_; - time_t write_timeout_usec_; -}; - -#ifdef CPPHTTPLIB_OPENSSL_SUPPORT -class SSLSocketStream : public Stream { -public: - SSLSocketStream(socket_t sock, SSL *ssl, time_t read_timeout_sec, - time_t read_timeout_usec, time_t write_timeout_sec, - time_t write_timeout_usec); - ~SSLSocketStream() override; - - bool is_readable() const override; - bool is_writable() const override; - ssize_t read(char *ptr, size_t size) override; - ssize_t write(const char *ptr, size_t size) override; - void get_remote_ip_and_port(std::string &ip, int &port) const override; - socket_t socket() const override; - -private: - socket_t sock_; - SSL *ssl_; - time_t read_timeout_sec_; - time_t read_timeout_usec_; - time_t write_timeout_sec_; - time_t write_timeout_usec_; -}; -#endif - -class BufferStream : public Stream { -public: - BufferStream() = default; - ~BufferStream() override = default; - - bool is_readable() const override; - bool is_writable() const override; - ssize_t read(char *ptr, size_t size) override; - ssize_t write(const char *ptr, size_t size) override; - void get_remote_ip_and_port(std::string &ip, int &port) const override; - socket_t socket() const override; - - const std::string &get_buffer() const; - -private: - std::string buffer; - size_t position = 0; -}; - -inline bool keep_alive(socket_t sock, time_t keep_alive_timeout_sec) { - using namespace std::chrono; - auto start = steady_clock::now(); - while (true) { - auto val = select_read(sock, 0, 10000); - if (val < 0) { - return false; - } else if (val == 0) { - auto current = steady_clock::now(); - auto duration = duration_cast(current - start); - auto timeout = keep_alive_timeout_sec * 1000; - if (duration.count() > timeout) { return false; } - std::this_thread::sleep_for(std::chrono::milliseconds(1)); - } else { - return true; - } - } -} - -template -inline bool -process_server_socket_core(socket_t sock, size_t keep_alive_max_count, - time_t keep_alive_timeout_sec, T callback) { - assert(keep_alive_max_count > 0); - auto ret = false; - auto count = keep_alive_max_count; - while (count > 0 && keep_alive(sock, keep_alive_timeout_sec)) { - auto close_connection = count == 1; - auto connection_closed = false; - ret = callback(close_connection, connection_closed); - if (!ret || connection_closed) { break; } - count--; - } - return ret; -} - -template -inline bool -process_server_socket(socket_t sock, size_t keep_alive_max_count, - time_t keep_alive_timeout_sec, time_t read_timeout_sec, - time_t read_timeout_usec, time_t write_timeout_sec, - time_t write_timeout_usec, T callback) { - return process_server_socket_core( - sock, keep_alive_max_count, keep_alive_timeout_sec, - [&](bool close_connection, bool &connection_closed) { - SocketStream strm(sock, read_timeout_sec, read_timeout_usec, - write_timeout_sec, write_timeout_usec); - return callback(strm, close_connection, connection_closed); - }); -} - -template -inline bool process_client_socket(socket_t sock, time_t read_timeout_sec, - time_t read_timeout_usec, - time_t write_timeout_sec, - time_t write_timeout_usec, T callback) { - SocketStream strm(sock, read_timeout_sec, read_timeout_usec, - write_timeout_sec, write_timeout_usec); - return callback(strm); -} - -inline int shutdown_socket(socket_t sock) { -#ifdef _WIN32 - return shutdown(sock, SD_BOTH); -#else - return shutdown(sock, SHUT_RDWR); -#endif -} - -template -socket_t create_socket(const char *host, int port, int socket_flags, - bool tcp_nodelay, SocketOptions socket_options, - BindOrConnect bind_or_connect) { - // Get address info - struct addrinfo hints; - struct addrinfo *result; - - memset(&hints, 0, sizeof(struct addrinfo)); - hints.ai_family = AF_UNSPEC; - hints.ai_socktype = SOCK_STREAM; - hints.ai_flags = socket_flags; - hints.ai_protocol = 0; - - auto service = std::to_string(port); - - if (getaddrinfo(host, service.c_str(), &hints, &result)) { -#ifdef __linux__ - res_init(); -#endif - return INVALID_SOCKET; - } - - for (auto rp = result; rp; rp = rp->ai_next) { - // Create a socket -#ifdef _WIN32 - auto sock = WSASocketW(rp->ai_family, rp->ai_socktype, rp->ai_protocol, - nullptr, 0, WSA_FLAG_NO_HANDLE_INHERIT); - /** - * Since the WSA_FLAG_NO_HANDLE_INHERIT is only supported on Windows 7 SP1 - * and above the socket creation fails on older Windows Systems. - * - * Let's try to create a socket the old way in this case. - * - * Reference: - * https://docs.microsoft.com/en-us/windows/win32/api/winsock2/nf-winsock2-wsasocketa - * - * WSA_FLAG_NO_HANDLE_INHERIT: - * This flag is supported on Windows 7 with SP1, Windows Server 2008 R2 with - * SP1, and later - * - */ - if (sock == INVALID_SOCKET) { - sock = socket(rp->ai_family, rp->ai_socktype, rp->ai_protocol); - } -#else - auto sock = socket(rp->ai_family, rp->ai_socktype, rp->ai_protocol); -#endif - if (sock == INVALID_SOCKET) { continue; } - -#ifndef _WIN32 - if (fcntl(sock, F_SETFD, FD_CLOEXEC) == -1) { continue; } -#endif - - if (tcp_nodelay) { - int yes = 1; - setsockopt(sock, IPPROTO_TCP, TCP_NODELAY, reinterpret_cast(&yes), - sizeof(yes)); - } - - if (socket_options) { socket_options(sock); } - - if (rp->ai_family == AF_INET6) { - int no = 0; - setsockopt(sock, IPPROTO_IPV6, IPV6_V6ONLY, reinterpret_cast(&no), - sizeof(no)); - } - - // bind or connect - if (bind_or_connect(sock, *rp)) { - freeaddrinfo(result); - return sock; - } - - close_socket(sock); - } - - freeaddrinfo(result); - return INVALID_SOCKET; -} - -inline void set_nonblocking(socket_t sock, bool nonblocking) { -#ifdef _WIN32 - auto flags = nonblocking ? 1UL : 0UL; - ioctlsocket(sock, FIONBIO, &flags); -#else - auto flags = fcntl(sock, F_GETFL, 0); - fcntl(sock, F_SETFL, - nonblocking ? (flags | O_NONBLOCK) : (flags & (~O_NONBLOCK))); -#endif -} - -inline bool is_connection_error() { -#ifdef _WIN32 - return WSAGetLastError() != WSAEWOULDBLOCK; -#else - return errno != EINPROGRESS; -#endif -} - -inline bool bind_ip_address(socket_t sock, const char *host) { - struct addrinfo hints; - struct addrinfo *result; - - memset(&hints, 0, sizeof(struct addrinfo)); - hints.ai_family = AF_UNSPEC; - hints.ai_socktype = SOCK_STREAM; - hints.ai_protocol = 0; - - if (getaddrinfo(host, "0", &hints, &result)) { return false; } - - auto ret = false; - for (auto rp = result; rp; rp = rp->ai_next) { - const auto &ai = *rp; - if (!::bind(sock, ai.ai_addr, static_cast(ai.ai_addrlen))) { - ret = true; - break; - } - } - - freeaddrinfo(result); - return ret; -} - -#if !defined _WIN32 && !defined ANDROID -#define USE_IF2IP -#endif - -#ifdef USE_IF2IP -inline std::string if2ip(const std::string &ifn) { - struct ifaddrs *ifap; - getifaddrs(&ifap); - for (auto ifa = ifap; ifa; ifa = ifa->ifa_next) { - if (ifa->ifa_addr && ifn == ifa->ifa_name) { - if (ifa->ifa_addr->sa_family == AF_INET) { - auto sa = reinterpret_cast(ifa->ifa_addr); - char buf[INET_ADDRSTRLEN]; - if (inet_ntop(AF_INET, &sa->sin_addr, buf, INET_ADDRSTRLEN)) { - freeifaddrs(ifap); - return std::string(buf, INET_ADDRSTRLEN); - } - } - } - } - freeifaddrs(ifap); - return std::string(); -} -#endif - -inline socket_t create_client_socket(const char *host, int port, - bool tcp_nodelay, - SocketOptions socket_options, - time_t timeout_sec, time_t timeout_usec, - const std::string &intf, Error &error) { - auto sock = create_socket( - host, port, 0, tcp_nodelay, std::move(socket_options), - [&](socket_t sock, struct addrinfo &ai) -> bool { - if (!intf.empty()) { -#ifdef USE_IF2IP - auto ip = if2ip(intf); - if (ip.empty()) { ip = intf; } - if (!bind_ip_address(sock, ip.c_str())) { - error = Error::BindIPAddress; - return false; - } -#endif - } - - set_nonblocking(sock, true); - - auto ret = - ::connect(sock, ai.ai_addr, static_cast(ai.ai_addrlen)); - - if (ret < 0) { - if (is_connection_error() || - !wait_until_socket_is_ready(sock, timeout_sec, timeout_usec)) { - close_socket(sock); - error = Error::Connection; - return false; - } - } - - set_nonblocking(sock, false); - error = Error::Success; - return true; - }); - - if (sock != INVALID_SOCKET) { - error = Error::Success; + return write(&glowable_buf[0], n); } else { - if (error == Error::Success) { error = Error::Connection; } - } - - return sock; -} - -inline void get_remote_ip_and_port(const struct sockaddr_storage &addr, - socklen_t addr_len, std::string &ip, - int &port) { - if (addr.ss_family == AF_INET) { - port = ntohs(reinterpret_cast(&addr)->sin_port); - } else if (addr.ss_family == AF_INET6) { - port = - ntohs(reinterpret_cast(&addr)->sin6_port); - } - - std::array ipstr{}; - if (!getnameinfo(reinterpret_cast(&addr), addr_len, - ipstr.data(), static_cast(ipstr.size()), nullptr, - 0, NI_NUMERICHOST)) { - ip = ipstr.data(); + return write(buf.data(), n); } } -inline void get_remote_ip_and_port(socket_t sock, std::string &ip, int &port) { - struct sockaddr_storage addr; - socklen_t addr_len = sizeof(addr); - - if (!getpeername(sock, reinterpret_cast(&addr), - &addr_len)) { - get_remote_ip_and_port(addr, addr_len, ip, port); - } -} - -inline constexpr unsigned int str2tag_core(const char *s, size_t l, - unsigned int h) { - return (l == 0) ? h - : str2tag_core(s + 1, l - 1, - (h * 33) ^ static_cast(*s)); -} - -inline unsigned int str2tag(const std::string &s) { - return str2tag_core(s.data(), s.size(), 0); -} - -namespace udl { - - inline constexpr unsigned int operator"" _(const char *s, size_t l) { - return str2tag_core(s, l, 0); - } - -} // namespace udl - -inline const char * -find_content_type(const std::string &path, - const std::map &user_data) { - auto ext = file_extension(path); - - auto it = user_data.find(ext); - if (it != user_data.end()) { return it->second.c_str(); } - - using udl::operator""_; - - switch (str2tag(ext)) { - default: return nullptr; - case "css"_: return "text/css"; - case "csv"_: return "text/csv"; - case "txt"_: return "text/plain"; - case "vtt"_: return "text/vtt"; - case "htm"_: - case "html"_: return "text/html"; - - case "apng"_: return "image/apng"; - case "avif"_: return "image/avif"; - case "bmp"_: return "image/bmp"; - case "gif"_: return "image/gif"; - case "png"_: return "image/png"; - case "svg"_: return "image/svg+xml"; - case "webp"_: return "image/webp"; - case "ico"_: return "image/x-icon"; - case "tif"_: return "image/tiff"; - case "tiff"_: return "image/tiff"; - case "jpg"_: - case "jpeg"_: return "image/jpeg"; - - case "mp4"_: return "video/mp4"; - case "mpeg"_: return "video/mpeg"; - case "webm"_: return "video/webm"; - - case "mp3"_: return "audio/mp3"; - case "mpga"_: return "audio/mpeg"; - case "weba"_: return "audio/webm"; - case "wav"_: return "audio/wave"; - - case "otf"_: return "font/otf"; - case "ttf"_: return "font/ttf"; - case "woff"_: return "font/woff"; - case "woff2"_: return "font/woff2"; - - case "7z"_: return "application/x-7z-compressed"; - case "atom"_: return "application/atom+xml"; - case "pdf"_: return "application/pdf"; - case "js"_: - case "mjs"_: return "application/javascript"; - case "json"_: return "application/json"; - case "rss"_: return "application/rss+xml"; - case "tar"_: return "application/x-tar"; - case "xht"_: - case "xhtml"_: return "application/xhtml+xml"; - case "xslt"_: return "application/xslt+xml"; - case "xml"_: return "application/xml"; - case "gz"_: return "application/gzip"; - case "zip"_: return "application/zip"; - case "wasm"_: return "application/wasm"; - } +inline void default_socket_options(socket_t sock) { + int yes = 1; +#ifdef _WIN32 + setsockopt(sock, SOL_SOCKET, SO_REUSEADDR, + reinterpret_cast(&yes), sizeof(yes)); + setsockopt(sock, SOL_SOCKET, SO_EXCLUSIVEADDRUSE, + reinterpret_cast(&yes), sizeof(yes)); +#else +#ifdef SO_REUSEPORT + setsockopt(sock, SOL_SOCKET, SO_REUSEPORT, + reinterpret_cast(&yes), sizeof(yes)); +#else + setsockopt(sock, SOL_SOCKET, SO_REUSEADDR, + reinterpret_cast(&yes), sizeof(yes)); +#endif +#endif } inline const char *status_message(int status) { @@ -2315,17 +1860,1549 @@ inline const char *status_message(int status) { } } -inline bool can_compress_content_type(const std::string &content_type) { - return (!content_type.find("text/") && content_type != "text/event-stream") || - content_type == "image/svg+xml" || - content_type == "application/javascript" || - content_type == "application/json" || - content_type == "application/xml" || - content_type == "application/xhtml+xml"; +template +inline Server & +Server::set_read_timeout(const std::chrono::duration &duration) { + detail::duration_to_sec_and_usec( + duration, [&](time_t sec, time_t usec) { set_read_timeout(sec, usec); }); + return *this; } +template +inline Server & +Server::set_write_timeout(const std::chrono::duration &duration) { + detail::duration_to_sec_and_usec( + duration, [&](time_t sec, time_t usec) { set_write_timeout(sec, usec); }); + return *this; +} + +template +inline Server & +Server::set_idle_interval(const std::chrono::duration &duration) { + detail::duration_to_sec_and_usec( + duration, [&](time_t sec, time_t usec) { set_idle_interval(sec, usec); }); + return *this; +} + +inline std::string to_string(const Error error) { + switch (error) { + case Error::Success: return "Success (no error)"; + case Error::Connection: return "Could not establish connection"; + case Error::BindIPAddress: return "Failed to bind IP address"; + case Error::Read: return "Failed to read connection"; + case Error::Write: return "Failed to write connection"; + case Error::ExceedRedirectCount: return "Maximum redirect count exceeded"; + case Error::Canceled: return "Connection handling canceled"; + case Error::SSLConnection: return "SSL connection failed"; + case Error::SSLLoadingCerts: return "SSL certificate loading failed"; + case Error::SSLServerVerification: return "SSL server verification failed"; + case Error::UnsupportedMultipartBoundaryChars: + return "Unsupported HTTP multipart boundary characters"; + case Error::Compression: return "Compression failed"; + case Error::ConnectionTimeout: return "Connection timed out"; + case Error::ProxyConnection: return "Proxy connection failed"; + case Error::Unknown: return "Unknown"; + default: break; + } + + return "Invalid"; +} + +inline std::ostream &operator<<(std::ostream &os, const Error &obj) { + os << to_string(obj); + os << " (" << static_cast::type>(obj) << ')'; + return os; +} + +inline uint64_t Result::get_request_header_value_u64(const std::string &key, + size_t id) const { + return detail::get_header_value_u64(request_headers_, key, id, 0); +} + +template +inline void ClientImpl::set_connection_timeout( + const std::chrono::duration &duration) { + detail::duration_to_sec_and_usec(duration, [&](time_t sec, time_t usec) { + set_connection_timeout(sec, usec); + }); +} + +template +inline void ClientImpl::set_read_timeout( + const std::chrono::duration &duration) { + detail::duration_to_sec_and_usec( + duration, [&](time_t sec, time_t usec) { set_read_timeout(sec, usec); }); +} + +template +inline void ClientImpl::set_write_timeout( + const std::chrono::duration &duration) { + detail::duration_to_sec_and_usec( + duration, [&](time_t sec, time_t usec) { set_write_timeout(sec, usec); }); +} + +template +inline void Client::set_connection_timeout( + const std::chrono::duration &duration) { + cli_->set_connection_timeout(duration); +} + +template +inline void +Client::set_read_timeout(const std::chrono::duration &duration) { + cli_->set_read_timeout(duration); +} + +template +inline void +Client::set_write_timeout(const std::chrono::duration &duration) { + cli_->set_write_timeout(duration); +} + +/* + * Forward declarations and types that will be part of the .h file if split into + * .h + .cc. + */ + +std::string hosted_at(const std::string &hostname); + +void hosted_at(const std::string &hostname, std::vector &addrs); + +std::string append_query_params(const std::string &path, const Params ¶ms); + +std::pair make_range_header(Ranges ranges); + +std::pair +make_basic_authentication_header(const std::string &username, + const std::string &password, + bool is_proxy = false); + +namespace detail { + +std::string encode_query_param(const std::string &value); + +std::string decode_url(const std::string &s, bool convert_plus_to_space); + +void read_file(const std::string &path, std::string &out); + +std::string trim_copy(const std::string &s); + +void split(const char *b, const char *e, char d, + std::function fn); + +bool process_client_socket(socket_t sock, time_t read_timeout_sec, + time_t read_timeout_usec, time_t write_timeout_sec, + time_t write_timeout_usec, + std::function callback); + +socket_t create_client_socket( + const std::string &host, const std::string &ip, int port, + int address_family, bool tcp_nodelay, SocketOptions socket_options, + time_t connection_timeout_sec, time_t connection_timeout_usec, + time_t read_timeout_sec, time_t read_timeout_usec, time_t write_timeout_sec, + time_t write_timeout_usec, const std::string &intf, Error &error); + +const char *get_header_value(const Headers &headers, const std::string &key, + size_t id = 0, const char *def = nullptr); + +std::string params_to_query_str(const Params ¶ms); + +void parse_query_text(const std::string &s, Params ¶ms); + +bool parse_multipart_boundary(const std::string &content_type, + std::string &boundary); + +bool parse_range_header(const std::string &s, Ranges &ranges); + +int close_socket(socket_t sock); + +ssize_t send_socket(socket_t sock, const void *ptr, size_t size, int flags); + +ssize_t read_socket(socket_t sock, void *ptr, size_t size, int flags); + enum class EncodingType { None = 0, Gzip, Brotli }; +EncodingType encoding_type(const Request &req, const Response &res); + +class BufferStream : public Stream { +public: + BufferStream() = default; + ~BufferStream() override = default; + + bool is_readable() const override; + bool is_writable() const override; + ssize_t read(char *ptr, size_t size) override; + ssize_t write(const char *ptr, size_t size) override; + void get_remote_ip_and_port(std::string &ip, int &port) const override; + void get_local_ip_and_port(std::string &ip, int &port) const override; + socket_t socket() const override; + + const std::string &get_buffer() const; + +private: + std::string buffer; + size_t position = 0; +}; + +class compressor { +public: + virtual ~compressor() = default; + + typedef std::function Callback; + virtual bool compress(const char *data, size_t data_length, bool last, + Callback callback) = 0; +}; + +class decompressor { +public: + virtual ~decompressor() = default; + + virtual bool is_valid() const = 0; + + typedef std::function Callback; + virtual bool decompress(const char *data, size_t data_length, + Callback callback) = 0; +}; + +class nocompressor : public compressor { +public: + virtual ~nocompressor() = default; + + bool compress(const char *data, size_t data_length, bool /*last*/, + Callback callback) override; +}; + +#ifdef CPPHTTPLIB_ZLIB_SUPPORT +class gzip_compressor : public compressor { +public: + gzip_compressor(); + ~gzip_compressor(); + + bool compress(const char *data, size_t data_length, bool last, + Callback callback) override; + +private: + bool is_valid_ = false; + z_stream strm_; +}; + +class gzip_decompressor : public decompressor { +public: + gzip_decompressor(); + ~gzip_decompressor(); + + bool is_valid() const override; + + bool decompress(const char *data, size_t data_length, + Callback callback) override; + +private: + bool is_valid_ = false; + z_stream strm_; +}; +#endif + +#ifdef CPPHTTPLIB_BROTLI_SUPPORT +class brotli_compressor : public compressor { +public: + brotli_compressor(); + ~brotli_compressor(); + + bool compress(const char *data, size_t data_length, bool last, + Callback callback) override; + +private: + BrotliEncoderState *state_ = nullptr; +}; + +class brotli_decompressor : public decompressor { +public: + brotli_decompressor(); + ~brotli_decompressor(); + + bool is_valid() const override; + + bool decompress(const char *data, size_t data_length, + Callback callback) override; + +private: + BrotliDecoderResult decoder_r; + BrotliDecoderState *decoder_s = nullptr; +}; +#endif + +// NOTE: until the read size reaches `fixed_buffer_size`, use `fixed_buffer` +// to store data. The call can set memory on stack for performance. +class stream_line_reader { +public: + stream_line_reader(Stream &strm, char *fixed_buffer, + size_t fixed_buffer_size); + const char *ptr() const; + size_t size() const; + bool end_with_crlf() const; + bool getline(); + +private: + void append(char c); + + Stream &strm_; + char *fixed_buffer_; + const size_t fixed_buffer_size_; + size_t fixed_buffer_used_size_ = 0; + std::string glowable_buffer_; +}; + +class mmap { +public: + mmap(const char *path); + ~mmap(); + + bool open(const char *path); + void close(); + + bool is_open() const; + size_t size() const; + const char *data() const; + +private: +#if defined(_WIN32) + HANDLE hFile_; + HANDLE hMapping_; +#else + int fd_; +#endif + size_t size_; + void *addr_; +}; + +} // namespace detail + +// ---------------------------------------------------------------------------- + +/* + * Implementation that will be part of the .cc file if split into .h + .cc. + */ + +namespace detail { + +inline bool is_hex(char c, int &v) { + if (0x20 <= c && isdigit(c)) { + v = c - '0'; + return true; + } else if ('A' <= c && c <= 'F') { + v = c - 'A' + 10; + return true; + } else if ('a' <= c && c <= 'f') { + v = c - 'a' + 10; + return true; + } + return false; +} + +inline bool from_hex_to_i(const std::string &s, size_t i, size_t cnt, + int &val) { + if (i >= s.size()) { return false; } + + val = 0; + for (; cnt; i++, cnt--) { + if (!s[i]) { return false; } + auto v = 0; + if (is_hex(s[i], v)) { + val = val * 16 + v; + } else { + return false; + } + } + return true; +} + +inline std::string from_i_to_hex(size_t n) { + static const auto charset = "0123456789abcdef"; + std::string ret; + do { + ret = charset[n & 15] + ret; + n >>= 4; + } while (n > 0); + return ret; +} + +inline size_t to_utf8(int code, char *buff) { + if (code < 0x0080) { + buff[0] = (code & 0x7F); + return 1; + } else if (code < 0x0800) { + buff[0] = static_cast(0xC0 | ((code >> 6) & 0x1F)); + buff[1] = static_cast(0x80 | (code & 0x3F)); + return 2; + } else if (code < 0xD800) { + buff[0] = static_cast(0xE0 | ((code >> 12) & 0xF)); + buff[1] = static_cast(0x80 | ((code >> 6) & 0x3F)); + buff[2] = static_cast(0x80 | (code & 0x3F)); + return 3; + } else if (code < 0xE000) { // D800 - DFFF is invalid... + return 0; + } else if (code < 0x10000) { + buff[0] = static_cast(0xE0 | ((code >> 12) & 0xF)); + buff[1] = static_cast(0x80 | ((code >> 6) & 0x3F)); + buff[2] = static_cast(0x80 | (code & 0x3F)); + return 3; + } else if (code < 0x110000) { + buff[0] = static_cast(0xF0 | ((code >> 18) & 0x7)); + buff[1] = static_cast(0x80 | ((code >> 12) & 0x3F)); + buff[2] = static_cast(0x80 | ((code >> 6) & 0x3F)); + buff[3] = static_cast(0x80 | (code & 0x3F)); + return 4; + } + + // NOTREACHED + return 0; +} + +// NOTE: This code came up with the following stackoverflow post: +// https://stackoverflow.com/questions/180947/base64-decode-snippet-in-c +inline std::string base64_encode(const std::string &in) { + static const auto lookup = + "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/"; + + std::string out; + out.reserve(in.size()); + + auto val = 0; + auto valb = -6; + + for (auto c : in) { + val = (val << 8) + static_cast(c); + valb += 8; + while (valb >= 0) { + out.push_back(lookup[(val >> valb) & 0x3F]); + valb -= 6; + } + } + + if (valb > -6) { out.push_back(lookup[((val << 8) >> (valb + 8)) & 0x3F]); } + + while (out.size() % 4) { + out.push_back('='); + } + + return out; +} + +inline bool is_file(const std::string &path) { +#ifdef _WIN32 + return _access_s(path.c_str(), 0) == 0; +#else + struct stat st; + return stat(path.c_str(), &st) >= 0 && S_ISREG(st.st_mode); +#endif +} + +inline bool is_dir(const std::string &path) { + struct stat st; + return stat(path.c_str(), &st) >= 0 && S_ISDIR(st.st_mode); +} + +inline bool is_valid_path(const std::string &path) { + size_t level = 0; + size_t i = 0; + + // Skip slash + while (i < path.size() && path[i] == '/') { + i++; + } + + while (i < path.size()) { + // Read component + auto beg = i; + while (i < path.size() && path[i] != '/') { + i++; + } + + auto len = i - beg; + assert(len > 0); + + if (!path.compare(beg, len, ".")) { + ; + } else if (!path.compare(beg, len, "..")) { + if (level == 0) { return false; } + level--; + } else { + level++; + } + + // Skip slash + while (i < path.size() && path[i] == '/') { + i++; + } + } + + return true; +} + +inline std::string encode_query_param(const std::string &value) { + std::ostringstream escaped; + escaped.fill('0'); + escaped << std::hex; + + for (auto c : value) { + if (std::isalnum(static_cast(c)) || c == '-' || c == '_' || + c == '.' || c == '!' || c == '~' || c == '*' || c == '\'' || c == '(' || + c == ')') { + escaped << c; + } else { + escaped << std::uppercase; + escaped << '%' << std::setw(2) + << static_cast(static_cast(c)); + escaped << std::nouppercase; + } + } + + return escaped.str(); +} + +inline std::string encode_url(const std::string &s) { + std::string result; + result.reserve(s.size()); + + for (size_t i = 0; s[i]; i++) { + switch (s[i]) { + case ' ': result += "%20"; break; + case '+': result += "%2B"; break; + case '\r': result += "%0D"; break; + case '\n': result += "%0A"; break; + case '\'': result += "%27"; break; + case ',': result += "%2C"; break; + // case ':': result += "%3A"; break; // ok? probably... + case ';': result += "%3B"; break; + default: + auto c = static_cast(s[i]); + if (c >= 0x80) { + result += '%'; + char hex[4]; + auto len = snprintf(hex, sizeof(hex) - 1, "%02X", c); + assert(len == 2); + result.append(hex, static_cast(len)); + } else { + result += s[i]; + } + break; + } + } + + return result; +} + +inline std::string decode_url(const std::string &s, + bool convert_plus_to_space) { + std::string result; + + for (size_t i = 0; i < s.size(); i++) { + if (s[i] == '%' && i + 1 < s.size()) { + if (s[i + 1] == 'u') { + auto val = 0; + if (from_hex_to_i(s, i + 2, 4, val)) { + // 4 digits Unicode codes + char buff[4]; + size_t len = to_utf8(val, buff); + if (len > 0) { result.append(buff, len); } + i += 5; // 'u0000' + } else { + result += s[i]; + } + } else { + auto val = 0; + if (from_hex_to_i(s, i + 1, 2, val)) { + // 2 digits hex codes + result += static_cast(val); + i += 2; // '00' + } else { + result += s[i]; + } + } + } else if (convert_plus_to_space && s[i] == '+') { + result += ' '; + } else { + result += s[i]; + } + } + + return result; +} + +inline void read_file(const std::string &path, std::string &out) { + std::ifstream fs(path, std::ios_base::binary); + fs.seekg(0, std::ios_base::end); + auto size = fs.tellg(); + fs.seekg(0); + out.resize(static_cast(size)); + fs.read(&out[0], static_cast(size)); +} + +inline std::string file_extension(const std::string &path) { + std::smatch m; + static auto re = std::regex("\\.([a-zA-Z0-9]+)$"); + if (std::regex_search(path, m, re)) { return m[1].str(); } + return std::string(); +} + +inline bool is_space_or_tab(char c) { return c == ' ' || c == '\t'; } + +inline std::pair trim(const char *b, const char *e, size_t left, + size_t right) { + while (b + left < e && is_space_or_tab(b[left])) { + left++; + } + while (right > 0 && is_space_or_tab(b[right - 1])) { + right--; + } + return std::make_pair(left, right); +} + +inline std::string trim_copy(const std::string &s) { + auto r = trim(s.data(), s.data() + s.size(), 0, s.size()); + return s.substr(r.first, r.second - r.first); +} + +inline std::string trim_double_quotes_copy(const std::string &s) { + if (s.length() >= 2 && s.front() == '"' && s.back() == '"') { + return s.substr(1, s.size() - 2); + } + return s; +} + +inline void split(const char *b, const char *e, char d, + std::function fn) { + size_t i = 0; + size_t beg = 0; + + while (e ? (b + i < e) : (b[i] != '\0')) { + if (b[i] == d) { + auto r = trim(b, e, beg, i); + if (r.first < r.second) { fn(&b[r.first], &b[r.second]); } + beg = i + 1; + } + i++; + } + + if (i) { + auto r = trim(b, e, beg, i); + if (r.first < r.second) { fn(&b[r.first], &b[r.second]); } + } +} + +inline stream_line_reader::stream_line_reader(Stream &strm, char *fixed_buffer, + size_t fixed_buffer_size) + : strm_(strm), fixed_buffer_(fixed_buffer), + fixed_buffer_size_(fixed_buffer_size) {} + +inline const char *stream_line_reader::ptr() const { + if (glowable_buffer_.empty()) { + return fixed_buffer_; + } else { + return glowable_buffer_.data(); + } +} + +inline size_t stream_line_reader::size() const { + if (glowable_buffer_.empty()) { + return fixed_buffer_used_size_; + } else { + return glowable_buffer_.size(); + } +} + +inline bool stream_line_reader::end_with_crlf() const { + auto end = ptr() + size(); + return size() >= 2 && end[-2] == '\r' && end[-1] == '\n'; +} + +inline bool stream_line_reader::getline() { + fixed_buffer_used_size_ = 0; + glowable_buffer_.clear(); + + for (size_t i = 0;; i++) { + char byte; + auto n = strm_.read(&byte, 1); + + if (n < 0) { + return false; + } else if (n == 0) { + if (i == 0) { + return false; + } else { + break; + } + } + + append(byte); + + if (byte == '\n') { break; } + } + + return true; +} + +inline void stream_line_reader::append(char c) { + if (fixed_buffer_used_size_ < fixed_buffer_size_ - 1) { + fixed_buffer_[fixed_buffer_used_size_++] = c; + fixed_buffer_[fixed_buffer_used_size_] = '\0'; + } else { + if (glowable_buffer_.empty()) { + assert(fixed_buffer_[fixed_buffer_used_size_] == '\0'); + glowable_buffer_.assign(fixed_buffer_, fixed_buffer_used_size_); + } + glowable_buffer_ += c; + } +} + +inline mmap::mmap(const char *path) +#if defined(_WIN32) + : hFile_(NULL), hMapping_(NULL) +#else + : fd_(-1) +#endif + , + size_(0), addr_(nullptr) { + if (!open(path)) { std::runtime_error(""); } +} + +inline mmap::~mmap() { close(); } + +inline bool mmap::open(const char *path) { + close(); + +#if defined(_WIN32) + hFile_ = ::CreateFileA(path, GENERIC_READ, FILE_SHARE_READ, NULL, + OPEN_EXISTING, FILE_ATTRIBUTE_NORMAL, NULL); + + if (hFile_ == INVALID_HANDLE_VALUE) { return false; } + + size_ = ::GetFileSize(hFile_, NULL); + + hMapping_ = ::CreateFileMapping(hFile_, NULL, PAGE_READONLY, 0, 0, NULL); + + if (hMapping_ == NULL) { + close(); + return false; + } + + addr_ = ::MapViewOfFile(hMapping_, FILE_MAP_READ, 0, 0, 0); +#else + fd_ = ::open(path, O_RDONLY); + if (fd_ == -1) { return false; } + + struct stat sb; + if (fstat(fd_, &sb) == -1) { + close(); + return false; + } + size_ = static_cast(sb.st_size); + + addr_ = ::mmap(NULL, size_, PROT_READ, MAP_PRIVATE, fd_, 0); +#endif + + if (addr_ == nullptr) { + close(); + return false; + } + + return true; +} + +inline bool mmap::is_open() const { return addr_ != nullptr; } + +inline size_t mmap::size() const { return size_; } + +inline const char *mmap::data() const { return (const char *)addr_; } + +inline void mmap::close() { +#if defined(_WIN32) + if (addr_) { + ::UnmapViewOfFile(addr_); + addr_ = nullptr; + } + + if (hMapping_) { + ::CloseHandle(hMapping_); + hMapping_ = NULL; + } + + if (hFile_ != INVALID_HANDLE_VALUE) { + ::CloseHandle(hFile_); + hFile_ = INVALID_HANDLE_VALUE; + } +#else + if (addr_ != nullptr) { + munmap(addr_, size_); + addr_ = nullptr; + } + + if (fd_ != -1) { + ::close(fd_); + fd_ = -1; + } +#endif + size_ = 0; +} +inline int close_socket(socket_t sock) { +#ifdef _WIN32 + return closesocket(sock); +#else + return close(sock); +#endif +} + +template inline ssize_t handle_EINTR(T fn) { + ssize_t res = 0; + while (true) { + res = fn(); + if (res < 0 && errno == EINTR) { continue; } + break; + } + return res; +} + +inline ssize_t read_socket(socket_t sock, void *ptr, size_t size, int flags) { + return handle_EINTR([&]() { + return recv(sock, +#ifdef _WIN32 + static_cast(ptr), static_cast(size), +#else + ptr, size, +#endif + flags); + }); +} + +inline ssize_t send_socket(socket_t sock, const void *ptr, size_t size, + int flags) { + return handle_EINTR([&]() { + return send(sock, +#ifdef _WIN32 + static_cast(ptr), static_cast(size), +#else + ptr, size, +#endif + flags); + }); +} + +inline ssize_t select_read(socket_t sock, time_t sec, time_t usec) { +#ifdef CPPHTTPLIB_USE_POLL + struct pollfd pfd_read; + pfd_read.fd = sock; + pfd_read.events = POLLIN; + + auto timeout = static_cast(sec * 1000 + usec / 1000); + + return handle_EINTR([&]() { return poll(&pfd_read, 1, timeout); }); +#else +#ifndef _WIN32 + if (sock >= FD_SETSIZE) { return 1; } +#endif + + fd_set fds; + FD_ZERO(&fds); + FD_SET(sock, &fds); + + timeval tv; + tv.tv_sec = static_cast(sec); + tv.tv_usec = static_cast(usec); + + return handle_EINTR([&]() { + return select(static_cast(sock + 1), &fds, nullptr, nullptr, &tv); + }); +#endif +} + +inline ssize_t select_write(socket_t sock, time_t sec, time_t usec) { +#ifdef CPPHTTPLIB_USE_POLL + struct pollfd pfd_read; + pfd_read.fd = sock; + pfd_read.events = POLLOUT; + + auto timeout = static_cast(sec * 1000 + usec / 1000); + + return handle_EINTR([&]() { return poll(&pfd_read, 1, timeout); }); +#else +#ifndef _WIN32 + if (sock >= FD_SETSIZE) { return 1; } +#endif + + fd_set fds; + FD_ZERO(&fds); + FD_SET(sock, &fds); + + timeval tv; + tv.tv_sec = static_cast(sec); + tv.tv_usec = static_cast(usec); + + return handle_EINTR([&]() { + return select(static_cast(sock + 1), nullptr, &fds, nullptr, &tv); + }); +#endif +} + +inline Error wait_until_socket_is_ready(socket_t sock, time_t sec, + time_t usec) { +#ifdef CPPHTTPLIB_USE_POLL + struct pollfd pfd_read; + pfd_read.fd = sock; + pfd_read.events = POLLIN | POLLOUT; + + auto timeout = static_cast(sec * 1000 + usec / 1000); + + auto poll_res = handle_EINTR([&]() { return poll(&pfd_read, 1, timeout); }); + + if (poll_res == 0) { return Error::ConnectionTimeout; } + + if (poll_res > 0 && pfd_read.revents & (POLLIN | POLLOUT)) { + auto error = 0; + socklen_t len = sizeof(error); + auto res = getsockopt(sock, SOL_SOCKET, SO_ERROR, + reinterpret_cast(&error), &len); + auto successful = res >= 0 && !error; + return successful ? Error::Success : Error::Connection; + } + + return Error::Connection; +#else +#ifndef _WIN32 + if (sock >= FD_SETSIZE) { return Error::Connection; } +#endif + + fd_set fdsr; + FD_ZERO(&fdsr); + FD_SET(sock, &fdsr); + + auto fdsw = fdsr; + auto fdse = fdsr; + + timeval tv; + tv.tv_sec = static_cast(sec); + tv.tv_usec = static_cast(usec); + + auto ret = handle_EINTR([&]() { + return select(static_cast(sock + 1), &fdsr, &fdsw, &fdse, &tv); + }); + + if (ret == 0) { return Error::ConnectionTimeout; } + + if (ret > 0 && (FD_ISSET(sock, &fdsr) || FD_ISSET(sock, &fdsw))) { + auto error = 0; + socklen_t len = sizeof(error); + auto res = getsockopt(sock, SOL_SOCKET, SO_ERROR, + reinterpret_cast(&error), &len); + auto successful = res >= 0 && !error; + return successful ? Error::Success : Error::Connection; + } + return Error::Connection; +#endif +} + +inline bool is_socket_alive(socket_t sock) { + const auto val = detail::select_read(sock, 0, 0); + if (val == 0) { + return true; + } else if (val < 0 && errno == EBADF) { + return false; + } + char buf[1]; + return detail::read_socket(sock, &buf[0], sizeof(buf), MSG_PEEK) > 0; +} + +class SocketStream : public Stream { +public: + SocketStream(socket_t sock, time_t read_timeout_sec, time_t read_timeout_usec, + time_t write_timeout_sec, time_t write_timeout_usec); + ~SocketStream() override; + + bool is_readable() const override; + bool is_writable() const override; + ssize_t read(char *ptr, size_t size) override; + ssize_t write(const char *ptr, size_t size) override; + void get_remote_ip_and_port(std::string &ip, int &port) const override; + void get_local_ip_and_port(std::string &ip, int &port) const override; + socket_t socket() const override; + +private: + socket_t sock_; + time_t read_timeout_sec_; + time_t read_timeout_usec_; + time_t write_timeout_sec_; + time_t write_timeout_usec_; + + std::vector read_buff_; + size_t read_buff_off_ = 0; + size_t read_buff_content_size_ = 0; + + static const size_t read_buff_size_ = 1024 * 4; +}; + +#ifdef CPPHTTPLIB_OPENSSL_SUPPORT +class SSLSocketStream : public Stream { +public: + SSLSocketStream(socket_t sock, SSL *ssl, time_t read_timeout_sec, + time_t read_timeout_usec, time_t write_timeout_sec, + time_t write_timeout_usec); + ~SSLSocketStream() override; + + bool is_readable() const override; + bool is_writable() const override; + ssize_t read(char *ptr, size_t size) override; + ssize_t write(const char *ptr, size_t size) override; + void get_remote_ip_and_port(std::string &ip, int &port) const override; + void get_local_ip_and_port(std::string &ip, int &port) const override; + socket_t socket() const override; + +private: + socket_t sock_; + SSL *ssl_; + time_t read_timeout_sec_; + time_t read_timeout_usec_; + time_t write_timeout_sec_; + time_t write_timeout_usec_; +}; +#endif + +inline bool keep_alive(socket_t sock, time_t keep_alive_timeout_sec) { + using namespace std::chrono; + auto start = steady_clock::now(); + while (true) { + auto val = select_read(sock, 0, 10000); + if (val < 0) { + return false; + } else if (val == 0) { + auto current = steady_clock::now(); + auto duration = duration_cast(current - start); + auto timeout = keep_alive_timeout_sec * 1000; + if (duration.count() > timeout) { return false; } + std::this_thread::sleep_for(std::chrono::milliseconds(1)); + } else { + return true; + } + } +} + +template +inline bool +process_server_socket_core(const std::atomic &svr_sock, socket_t sock, + size_t keep_alive_max_count, + time_t keep_alive_timeout_sec, T callback) { + assert(keep_alive_max_count > 0); + auto ret = false; + auto count = keep_alive_max_count; + while (svr_sock != INVALID_SOCKET && count > 0 && + keep_alive(sock, keep_alive_timeout_sec)) { + auto close_connection = count == 1; + auto connection_closed = false; + ret = callback(close_connection, connection_closed); + if (!ret || connection_closed) { break; } + count--; + } + return ret; +} + +template +inline bool +process_server_socket(const std::atomic &svr_sock, socket_t sock, + size_t keep_alive_max_count, + time_t keep_alive_timeout_sec, time_t read_timeout_sec, + time_t read_timeout_usec, time_t write_timeout_sec, + time_t write_timeout_usec, T callback) { + return process_server_socket_core( + svr_sock, sock, keep_alive_max_count, keep_alive_timeout_sec, + [&](bool close_connection, bool &connection_closed) { + SocketStream strm(sock, read_timeout_sec, read_timeout_usec, + write_timeout_sec, write_timeout_usec); + return callback(strm, close_connection, connection_closed); + }); +} + +inline bool process_client_socket(socket_t sock, time_t read_timeout_sec, + time_t read_timeout_usec, + time_t write_timeout_sec, + time_t write_timeout_usec, + std::function callback) { + SocketStream strm(sock, read_timeout_sec, read_timeout_usec, + write_timeout_sec, write_timeout_usec); + return callback(strm); +} + +inline int shutdown_socket(socket_t sock) { +#ifdef _WIN32 + return shutdown(sock, SD_BOTH); +#else + return shutdown(sock, SHUT_RDWR); +#endif +} + +template +socket_t create_socket(const std::string &host, const std::string &ip, int port, + int address_family, int socket_flags, bool tcp_nodelay, + SocketOptions socket_options, + BindOrConnect bind_or_connect) { + // Get address info + const char *node = nullptr; + struct addrinfo hints; + struct addrinfo *result; + + memset(&hints, 0, sizeof(struct addrinfo)); + hints.ai_socktype = SOCK_STREAM; + hints.ai_protocol = 0; + + if (!ip.empty()) { + node = ip.c_str(); + // Ask getaddrinfo to convert IP in c-string to address + hints.ai_family = AF_UNSPEC; + hints.ai_flags = AI_NUMERICHOST; + } else { + if (!host.empty()) { node = host.c_str(); } + hints.ai_family = address_family; + hints.ai_flags = socket_flags; + } + +#ifndef _WIN32 + if (hints.ai_family == AF_UNIX) { + const auto addrlen = host.length(); + if (addrlen > sizeof(sockaddr_un::sun_path)) return INVALID_SOCKET; + + auto sock = socket(hints.ai_family, hints.ai_socktype, hints.ai_protocol); + if (sock != INVALID_SOCKET) { + sockaddr_un addr{}; + addr.sun_family = AF_UNIX; + std::copy(host.begin(), host.end(), addr.sun_path); + + hints.ai_addr = reinterpret_cast(&addr); + hints.ai_addrlen = static_cast( + sizeof(addr) - sizeof(addr.sun_path) + addrlen); + + fcntl(sock, F_SETFD, FD_CLOEXEC); + if (socket_options) { socket_options(sock); } + + if (!bind_or_connect(sock, hints)) { + close_socket(sock); + sock = INVALID_SOCKET; + } + } + return sock; + } +#endif + + auto service = std::to_string(port); + + if (getaddrinfo(node, service.c_str(), &hints, &result)) { +#if defined __linux__ && !defined __ANDROID__ + res_init(); +#endif + return INVALID_SOCKET; + } + + for (auto rp = result; rp; rp = rp->ai_next) { + // Create a socket +#ifdef _WIN32 + auto sock = + WSASocketW(rp->ai_family, rp->ai_socktype, rp->ai_protocol, nullptr, 0, + WSA_FLAG_NO_HANDLE_INHERIT | WSA_FLAG_OVERLAPPED); + /** + * Since the WSA_FLAG_NO_HANDLE_INHERIT is only supported on Windows 7 SP1 + * and above the socket creation fails on older Windows Systems. + * + * Let's try to create a socket the old way in this case. + * + * Reference: + * https://docs.microsoft.com/en-us/windows/win32/api/winsock2/nf-winsock2-wsasocketa + * + * WSA_FLAG_NO_HANDLE_INHERIT: + * This flag is supported on Windows 7 with SP1, Windows Server 2008 R2 with + * SP1, and later + * + */ + if (sock == INVALID_SOCKET) { + sock = socket(rp->ai_family, rp->ai_socktype, rp->ai_protocol); + } +#else + auto sock = socket(rp->ai_family, rp->ai_socktype, rp->ai_protocol); +#endif + if (sock == INVALID_SOCKET) { continue; } + +#ifndef _WIN32 + if (fcntl(sock, F_SETFD, FD_CLOEXEC) == -1) { + close_socket(sock); + continue; + } +#endif + + if (tcp_nodelay) { + auto yes = 1; +#ifdef _WIN32 + setsockopt(sock, IPPROTO_TCP, TCP_NODELAY, + reinterpret_cast(&yes), sizeof(yes)); +#else + setsockopt(sock, IPPROTO_TCP, TCP_NODELAY, + reinterpret_cast(&yes), sizeof(yes)); +#endif + } + + if (socket_options) { socket_options(sock); } + + if (rp->ai_family == AF_INET6) { + auto no = 0; +#ifdef _WIN32 + setsockopt(sock, IPPROTO_IPV6, IPV6_V6ONLY, + reinterpret_cast(&no), sizeof(no)); +#else + setsockopt(sock, IPPROTO_IPV6, IPV6_V6ONLY, + reinterpret_cast(&no), sizeof(no)); +#endif + } + + // bind or connect + if (bind_or_connect(sock, *rp)) { + freeaddrinfo(result); + return sock; + } + + close_socket(sock); + } + + freeaddrinfo(result); + return INVALID_SOCKET; +} + +inline void set_nonblocking(socket_t sock, bool nonblocking) { +#ifdef _WIN32 + auto flags = nonblocking ? 1UL : 0UL; + ioctlsocket(sock, FIONBIO, &flags); +#else + auto flags = fcntl(sock, F_GETFL, 0); + fcntl(sock, F_SETFL, + nonblocking ? (flags | O_NONBLOCK) : (flags & (~O_NONBLOCK))); +#endif +} + +inline bool is_connection_error() { +#ifdef _WIN32 + return WSAGetLastError() != WSAEWOULDBLOCK; +#else + return errno != EINPROGRESS; +#endif +} + +inline bool bind_ip_address(socket_t sock, const std::string &host) { + struct addrinfo hints; + struct addrinfo *result; + + memset(&hints, 0, sizeof(struct addrinfo)); + hints.ai_family = AF_UNSPEC; + hints.ai_socktype = SOCK_STREAM; + hints.ai_protocol = 0; + + if (getaddrinfo(host.c_str(), "0", &hints, &result)) { return false; } + + auto ret = false; + for (auto rp = result; rp; rp = rp->ai_next) { + const auto &ai = *rp; + if (!::bind(sock, ai.ai_addr, static_cast(ai.ai_addrlen))) { + ret = true; + break; + } + } + + freeaddrinfo(result); + return ret; +} + +#if !defined _WIN32 && !defined ANDROID && !defined _AIX && !defined __MVS__ +#define USE_IF2IP +#endif + +#ifdef USE_IF2IP +inline std::string if2ip(int address_family, const std::string &ifn) { + struct ifaddrs *ifap; + getifaddrs(&ifap); + std::string addr_candidate; + for (auto ifa = ifap; ifa; ifa = ifa->ifa_next) { + if (ifa->ifa_addr && ifn == ifa->ifa_name && + (AF_UNSPEC == address_family || + ifa->ifa_addr->sa_family == address_family)) { + if (ifa->ifa_addr->sa_family == AF_INET) { + auto sa = reinterpret_cast(ifa->ifa_addr); + char buf[INET_ADDRSTRLEN]; + if (inet_ntop(AF_INET, &sa->sin_addr, buf, INET_ADDRSTRLEN)) { + freeifaddrs(ifap); + return std::string(buf, INET_ADDRSTRLEN); + } + } else if (ifa->ifa_addr->sa_family == AF_INET6) { + auto sa = reinterpret_cast(ifa->ifa_addr); + if (!IN6_IS_ADDR_LINKLOCAL(&sa->sin6_addr)) { + char buf[INET6_ADDRSTRLEN] = {}; + if (inet_ntop(AF_INET6, &sa->sin6_addr, buf, INET6_ADDRSTRLEN)) { + // equivalent to mac's IN6_IS_ADDR_UNIQUE_LOCAL + auto s6_addr_head = sa->sin6_addr.s6_addr[0]; + if (s6_addr_head == 0xfc || s6_addr_head == 0xfd) { + addr_candidate = std::string(buf, INET6_ADDRSTRLEN); + } else { + freeifaddrs(ifap); + return std::string(buf, INET6_ADDRSTRLEN); + } + } + } + } + } + } + freeifaddrs(ifap); + return addr_candidate; +} +#endif + +inline socket_t create_client_socket( + const std::string &host, const std::string &ip, int port, + int address_family, bool tcp_nodelay, SocketOptions socket_options, + time_t connection_timeout_sec, time_t connection_timeout_usec, + time_t read_timeout_sec, time_t read_timeout_usec, time_t write_timeout_sec, + time_t write_timeout_usec, const std::string &intf, Error &error) { + auto sock = create_socket( + host, ip, port, address_family, 0, tcp_nodelay, std::move(socket_options), + [&](socket_t sock2, struct addrinfo &ai) -> bool { + if (!intf.empty()) { +#ifdef USE_IF2IP + auto ip_from_if = if2ip(address_family, intf); + if (ip_from_if.empty()) { ip_from_if = intf; } + if (!bind_ip_address(sock2, ip_from_if.c_str())) { + error = Error::BindIPAddress; + return false; + } +#endif + } + + set_nonblocking(sock2, true); + + auto ret = + ::connect(sock2, ai.ai_addr, static_cast(ai.ai_addrlen)); + + if (ret < 0) { + if (is_connection_error()) { + error = Error::Connection; + return false; + } + error = wait_until_socket_is_ready(sock2, connection_timeout_sec, + connection_timeout_usec); + if (error != Error::Success) { return false; } + } + + set_nonblocking(sock2, false); + + { +#ifdef _WIN32 + auto timeout = static_cast(read_timeout_sec * 1000 + + read_timeout_usec / 1000); + setsockopt(sock2, SOL_SOCKET, SO_RCVTIMEO, + reinterpret_cast(&timeout), sizeof(timeout)); +#else + timeval tv; + tv.tv_sec = static_cast(read_timeout_sec); + tv.tv_usec = static_cast(read_timeout_usec); + setsockopt(sock2, SOL_SOCKET, SO_RCVTIMEO, + reinterpret_cast(&tv), sizeof(tv)); +#endif + } + { + +#ifdef _WIN32 + auto timeout = static_cast(write_timeout_sec * 1000 + + write_timeout_usec / 1000); + setsockopt(sock2, SOL_SOCKET, SO_SNDTIMEO, + reinterpret_cast(&timeout), sizeof(timeout)); +#else + timeval tv; + tv.tv_sec = static_cast(write_timeout_sec); + tv.tv_usec = static_cast(write_timeout_usec); + setsockopt(sock2, SOL_SOCKET, SO_SNDTIMEO, + reinterpret_cast(&tv), sizeof(tv)); +#endif + } + + error = Error::Success; + return true; + }); + + if (sock != INVALID_SOCKET) { + error = Error::Success; + } else { + if (error == Error::Success) { error = Error::Connection; } + } + + return sock; +} + +inline bool get_ip_and_port(const struct sockaddr_storage &addr, + socklen_t addr_len, std::string &ip, int &port) { + if (addr.ss_family == AF_INET) { + port = ntohs(reinterpret_cast(&addr)->sin_port); + } else if (addr.ss_family == AF_INET6) { + port = + ntohs(reinterpret_cast(&addr)->sin6_port); + } else { + return false; + } + + std::array ipstr{}; + if (getnameinfo(reinterpret_cast(&addr), addr_len, + ipstr.data(), static_cast(ipstr.size()), nullptr, + 0, NI_NUMERICHOST)) { + return false; + } + + ip = ipstr.data(); + return true; +} + +inline void get_local_ip_and_port(socket_t sock, std::string &ip, int &port) { + struct sockaddr_storage addr; + socklen_t addr_len = sizeof(addr); + if (!getsockname(sock, reinterpret_cast(&addr), + &addr_len)) { + get_ip_and_port(addr, addr_len, ip, port); + } +} + +inline void get_remote_ip_and_port(socket_t sock, std::string &ip, int &port) { + struct sockaddr_storage addr; + socklen_t addr_len = sizeof(addr); + + if (!getpeername(sock, reinterpret_cast(&addr), + &addr_len)) { +#ifndef _WIN32 + if (addr.ss_family == AF_UNIX) { +#if defined(__linux__) + struct ucred ucred; + socklen_t len = sizeof(ucred); + if (getsockopt(sock, SOL_SOCKET, SO_PEERCRED, &ucred, &len) == 0) { + port = ucred.pid; + } +#elif defined(SOL_LOCAL) && defined(SO_PEERPID) // __APPLE__ + pid_t pid; + socklen_t len = sizeof(pid); + if (getsockopt(sock, SOL_LOCAL, SO_PEERPID, &pid, &len) == 0) { + port = pid; + } +#endif + return; + } +#endif + get_ip_and_port(addr, addr_len, ip, port); + } +} + +inline constexpr unsigned int str2tag_core(const char *s, size_t l, + unsigned int h) { + return (l == 0) + ? h + : str2tag_core( + s + 1, l - 1, + // Unsets the 6 high bits of h, therefore no overflow happens + (((std::numeric_limits::max)() >> 6) & + h * 33) ^ + static_cast(*s)); +} + +inline unsigned int str2tag(const std::string &s) { + return str2tag_core(s.data(), s.size(), 0); +} + +namespace udl { + +inline constexpr unsigned int operator"" _t(const char *s, size_t l) { + return str2tag_core(s, l, 0); +} + +} // namespace udl + +inline std::string +find_content_type(const std::string &path, + const std::map &user_data, + const std::string &default_content_type) { + auto ext = file_extension(path); + + auto it = user_data.find(ext); + if (it != user_data.end()) { return it->second.c_str(); } + + using udl::operator""_t; + + switch (str2tag(ext)) { + default: return default_content_type; + + case "css"_t: return "text/css"; + case "csv"_t: return "text/csv"; + case "htm"_t: + case "html"_t: return "text/html"; + case "js"_t: + case "mjs"_t: return "text/javascript"; + case "txt"_t: return "text/plain"; + case "vtt"_t: return "text/vtt"; + + case "apng"_t: return "image/apng"; + case "avif"_t: return "image/avif"; + case "bmp"_t: return "image/bmp"; + case "gif"_t: return "image/gif"; + case "png"_t: return "image/png"; + case "svg"_t: return "image/svg+xml"; + case "webp"_t: return "image/webp"; + case "ico"_t: return "image/x-icon"; + case "tif"_t: return "image/tiff"; + case "tiff"_t: return "image/tiff"; + case "jpg"_t: + case "jpeg"_t: return "image/jpeg"; + + case "mp4"_t: return "video/mp4"; + case "mpeg"_t: return "video/mpeg"; + case "webm"_t: return "video/webm"; + + case "mp3"_t: return "audio/mp3"; + case "mpga"_t: return "audio/mpeg"; + case "weba"_t: return "audio/webm"; + case "wav"_t: return "audio/wave"; + + case "otf"_t: return "font/otf"; + case "ttf"_t: return "font/ttf"; + case "woff"_t: return "font/woff"; + case "woff2"_t: return "font/woff2"; + + case "7z"_t: return "application/x-7z-compressed"; + case "atom"_t: return "application/atom+xml"; + case "pdf"_t: return "application/pdf"; + case "json"_t: return "application/json"; + case "rss"_t: return "application/rss+xml"; + case "tar"_t: return "application/x-tar"; + case "xht"_t: + case "xhtml"_t: return "application/xhtml+xml"; + case "xslt"_t: return "application/xslt+xml"; + case "xml"_t: return "application/xml"; + case "gz"_t: return "application/gzip"; + case "zip"_t: return "application/zip"; + case "wasm"_t: return "application/wasm"; + } +} + +inline bool can_compress_content_type(const std::string &content_type) { + using udl::operator""_t; + + auto tag = str2tag(content_type); + + switch (tag) { + case "image/svg+xml"_t: + case "application/javascript"_t: + case "application/json"_t: + case "application/xml"_t: + case "application/protobuf"_t: + case "application/xhtml+xml"_t: return true; + + default: + return !content_type.rfind("text/", 0) && tag != "text/event-stream"_t; + } +} + inline EncodingType encoding_type(const Request &req, const Response &res) { auto ret = detail::can_compress_content_type(res.get_header_value("Content-Type")); @@ -2349,120 +3426,105 @@ inline EncodingType encoding_type(const Request &req, const Response &res) { return EncodingType::None; } -class compressor { -public: - virtual ~compressor(){}; - - typedef std::function Callback; - virtual bool compress(const char *data, size_t data_length, bool last, - Callback callback) = 0; -}; - -class decompressor { -public: - virtual ~decompressor() {} - - virtual bool is_valid() const = 0; - - typedef std::function Callback; - virtual bool decompress(const char *data, size_t data_length, - Callback callback) = 0; -}; - -class nocompressor : public compressor { -public: - ~nocompressor(){}; - - bool compress(const char *data, size_t data_length, bool /*last*/, - Callback callback) override { - if (!data_length) { return true; } - return callback(data, data_length); - } -}; +inline bool nocompressor::compress(const char *data, size_t data_length, + bool /*last*/, Callback callback) { + if (!data_length) { return true; } + return callback(data, data_length); +} #ifdef CPPHTTPLIB_ZLIB_SUPPORT -class gzip_compressor : public compressor { -public: - gzip_compressor() { - std::memset(&strm_, 0, sizeof(strm_)); - strm_.zalloc = Z_NULL; - strm_.zfree = Z_NULL; - strm_.opaque = Z_NULL; +inline gzip_compressor::gzip_compressor() { + std::memset(&strm_, 0, sizeof(strm_)); + strm_.zalloc = Z_NULL; + strm_.zfree = Z_NULL; + strm_.opaque = Z_NULL; - is_valid_ = deflateInit2(&strm_, Z_DEFAULT_COMPRESSION, Z_DEFLATED, 31, 8, - Z_DEFAULT_STRATEGY) == Z_OK; - } + is_valid_ = deflateInit2(&strm_, Z_DEFAULT_COMPRESSION, Z_DEFLATED, 31, 8, + Z_DEFAULT_STRATEGY) == Z_OK; +} - ~gzip_compressor() { deflateEnd(&strm_); } +inline gzip_compressor::~gzip_compressor() { deflateEnd(&strm_); } - bool compress(const char *data, size_t data_length, bool last, - Callback callback) override { - assert(is_valid_); +inline bool gzip_compressor::compress(const char *data, size_t data_length, + bool last, Callback callback) { + assert(is_valid_); - auto flush = last ? Z_FINISH : Z_NO_FLUSH; + do { + constexpr size_t max_avail_in = + (std::numeric_limits::max)(); - strm_.avail_in = static_cast(data_length); + strm_.avail_in = static_cast( + (std::min)(data_length, max_avail_in)); strm_.next_in = const_cast(reinterpret_cast(data)); - int ret = Z_OK; + data_length -= strm_.avail_in; + data += strm_.avail_in; + + auto flush = (last && data_length == 0) ? Z_FINISH : Z_NO_FLUSH; + auto ret = Z_OK; std::array buff{}; do { - strm_.avail_out = buff.size(); + strm_.avail_out = static_cast(buff.size()); strm_.next_out = reinterpret_cast(buff.data()); ret = deflate(&strm_, flush); - assert(ret != Z_STREAM_ERROR); + if (ret == Z_STREAM_ERROR) { return false; } if (!callback(buff.data(), buff.size() - strm_.avail_out)) { return false; } } while (strm_.avail_out == 0); - assert((last && ret == Z_STREAM_END) || (!last && ret == Z_OK)); + assert((flush == Z_FINISH && ret == Z_STREAM_END) || + (flush == Z_NO_FLUSH && ret == Z_OK)); assert(strm_.avail_in == 0); - return true; - } + } while (data_length > 0); -private: - bool is_valid_ = false; - z_stream strm_; -}; + return true; +} -class gzip_decompressor : public decompressor { -public: - gzip_decompressor() { - std::memset(&strm_, 0, sizeof(strm_)); - strm_.zalloc = Z_NULL; - strm_.zfree = Z_NULL; - strm_.opaque = Z_NULL; +inline gzip_decompressor::gzip_decompressor() { + std::memset(&strm_, 0, sizeof(strm_)); + strm_.zalloc = Z_NULL; + strm_.zfree = Z_NULL; + strm_.opaque = Z_NULL; - // 15 is the value of wbits, which should be at the maximum possible value - // to ensure that any gzip stream can be decoded. The offset of 32 specifies - // that the stream type should be automatically detected either gzip or - // deflate. - is_valid_ = inflateInit2(&strm_, 32 + 15) == Z_OK; - } + // 15 is the value of wbits, which should be at the maximum possible value + // to ensure that any gzip stream can be decoded. The offset of 32 specifies + // that the stream type should be automatically detected either gzip or + // deflate. + is_valid_ = inflateInit2(&strm_, 32 + 15) == Z_OK; +} - ~gzip_decompressor() { inflateEnd(&strm_); } +inline gzip_decompressor::~gzip_decompressor() { inflateEnd(&strm_); } - bool is_valid() const override { return is_valid_; } +inline bool gzip_decompressor::is_valid() const { return is_valid_; } - bool decompress(const char *data, size_t data_length, - Callback callback) override { - assert(is_valid_); +inline bool gzip_decompressor::decompress(const char *data, size_t data_length, + Callback callback) { + assert(is_valid_); - int ret = Z_OK; + auto ret = Z_OK; - strm_.avail_in = static_cast(data_length); + do { + constexpr size_t max_avail_in = + (std::numeric_limits::max)(); + + strm_.avail_in = static_cast( + (std::min)(data_length, max_avail_in)); strm_.next_in = const_cast(reinterpret_cast(data)); + data_length -= strm_.avail_in; + data += strm_.avail_in; + std::array buff{}; - while (strm_.avail_in > 0) { - strm_.avail_out = buff.size(); + while (strm_.avail_in > 0 && ret == Z_OK) { + strm_.avail_out = static_cast(buff.size()); strm_.next_out = reinterpret_cast(buff.data()); ret = inflate(&strm_, Z_NO_FLUSH); + assert(ret != Z_STREAM_ERROR); switch (ret) { case Z_NEED_DICT: @@ -2475,118 +3537,107 @@ public: } } - return ret == Z_OK || ret == Z_STREAM_END; - } + if (ret != Z_OK && ret != Z_STREAM_END) return false; -private: - bool is_valid_ = false; - z_stream strm_; -}; + } while (data_length > 0); + + return true; +} #endif #ifdef CPPHTTPLIB_BROTLI_SUPPORT -class brotli_compressor : public compressor { -public: - brotli_compressor() { - state_ = BrotliEncoderCreateInstance(nullptr, nullptr, nullptr); - } +inline brotli_compressor::brotli_compressor() { + state_ = BrotliEncoderCreateInstance(nullptr, nullptr, nullptr); +} - ~brotli_compressor() { BrotliEncoderDestroyInstance(state_); } +inline brotli_compressor::~brotli_compressor() { + BrotliEncoderDestroyInstance(state_); +} - bool compress(const char *data, size_t data_length, bool last, - Callback callback) override { - std::array buff{}; +inline bool brotli_compressor::compress(const char *data, size_t data_length, + bool last, Callback callback) { + std::array buff{}; - auto operation = last ? BROTLI_OPERATION_FINISH : BROTLI_OPERATION_PROCESS; - auto available_in = data_length; - auto next_in = reinterpret_cast(data); + auto operation = last ? BROTLI_OPERATION_FINISH : BROTLI_OPERATION_PROCESS; + auto available_in = data_length; + auto next_in = reinterpret_cast(data); - for (;;) { - if (last) { - if (BrotliEncoderIsFinished(state_)) { break; } - } else { - if (!available_in) { break; } - } - - auto available_out = buff.size(); - auto next_out = buff.data(); - - if (!BrotliEncoderCompressStream(state_, operation, &available_in, - &next_in, &available_out, &next_out, - nullptr)) { - return false; - } - - auto output_bytes = buff.size() - available_out; - if (output_bytes) { - callback(reinterpret_cast(buff.data()), output_bytes); - } + for (;;) { + if (last) { + if (BrotliEncoderIsFinished(state_)) { break; } + } else { + if (!available_in) { break; } } - return true; - } + auto available_out = buff.size(); + auto next_out = buff.data(); -private: - BrotliEncoderState *state_ = nullptr; -}; - -class brotli_decompressor : public decompressor { -public: - brotli_decompressor() { - decoder_s = BrotliDecoderCreateInstance(0, 0, 0); - decoder_r = decoder_s ? BROTLI_DECODER_RESULT_NEEDS_MORE_INPUT - : BROTLI_DECODER_RESULT_ERROR; - } - - ~brotli_decompressor() { - if (decoder_s) { BrotliDecoderDestroyInstance(decoder_s); } - } - - bool is_valid() const override { return decoder_s; } - - bool decompress(const char *data, size_t data_length, - Callback callback) override { - if (decoder_r == BROTLI_DECODER_RESULT_SUCCESS || - decoder_r == BROTLI_DECODER_RESULT_ERROR) { - return 0; + if (!BrotliEncoderCompressStream(state_, operation, &available_in, &next_in, + &available_out, &next_out, nullptr)) { + return false; } - const uint8_t *next_in = (const uint8_t *)data; - size_t avail_in = data_length; - size_t total_out; - - decoder_r = BROTLI_DECODER_RESULT_NEEDS_MORE_OUTPUT; - - std::array buff{}; - while (decoder_r == BROTLI_DECODER_RESULT_NEEDS_MORE_OUTPUT) { - char *next_out = buff.data(); - size_t avail_out = buff.size(); - - decoder_r = BrotliDecoderDecompressStream( - decoder_s, &avail_in, &next_in, &avail_out, - reinterpret_cast(&next_out), &total_out); - - if (decoder_r == BROTLI_DECODER_RESULT_ERROR) { return false; } - - if (!callback(buff.data(), buff.size() - avail_out)) { return false; } + auto output_bytes = buff.size() - available_out; + if (output_bytes) { + callback(reinterpret_cast(buff.data()), output_bytes); } - - return decoder_r == BROTLI_DECODER_RESULT_SUCCESS || - decoder_r == BROTLI_DECODER_RESULT_NEEDS_MORE_INPUT; } -private: - BrotliDecoderResult decoder_r; - BrotliDecoderState *decoder_s = nullptr; -}; + return true; +} + +inline brotli_decompressor::brotli_decompressor() { + decoder_s = BrotliDecoderCreateInstance(0, 0, 0); + decoder_r = decoder_s ? BROTLI_DECODER_RESULT_NEEDS_MORE_INPUT + : BROTLI_DECODER_RESULT_ERROR; +} + +inline brotli_decompressor::~brotli_decompressor() { + if (decoder_s) { BrotliDecoderDestroyInstance(decoder_s); } +} + +inline bool brotli_decompressor::is_valid() const { return decoder_s; } + +inline bool brotli_decompressor::decompress(const char *data, + size_t data_length, + Callback callback) { + if (decoder_r == BROTLI_DECODER_RESULT_SUCCESS || + decoder_r == BROTLI_DECODER_RESULT_ERROR) { + return 0; + } + + auto next_in = reinterpret_cast(data); + size_t avail_in = data_length; + size_t total_out; + + decoder_r = BROTLI_DECODER_RESULT_NEEDS_MORE_OUTPUT; + + std::array buff{}; + while (decoder_r == BROTLI_DECODER_RESULT_NEEDS_MORE_OUTPUT) { + char *next_out = buff.data(); + size_t avail_out = buff.size(); + + decoder_r = BrotliDecoderDecompressStream( + decoder_s, &avail_in, &next_in, &avail_out, + reinterpret_cast(&next_out), &total_out); + + if (decoder_r == BROTLI_DECODER_RESULT_ERROR) { return false; } + + if (!callback(buff.data(), buff.size() - avail_out)) { return false; } + } + + return decoder_r == BROTLI_DECODER_RESULT_SUCCESS || + decoder_r == BROTLI_DECODER_RESULT_NEEDS_MORE_INPUT; +} #endif -inline bool has_header(const Headers &headers, const char *key) { +inline bool has_header(const Headers &headers, const std::string &key) { return headers.find(key) != headers.end(); } -inline const char *get_header_value(const Headers &headers, const char *key, - size_t id = 0, const char *def = nullptr) { +inline const char *get_header_value(const Headers &headers, + const std::string &key, size_t id, + const char *def) { auto rng = headers.equal_range(key); auto it = rng.first; std::advance(it, static_cast(id)); @@ -2594,21 +3645,12 @@ inline const char *get_header_value(const Headers &headers, const char *key, return def; } -template -inline T get_header_value(const Headers & /*headers*/, const char * /*key*/, - size_t /*id*/ = 0, uint64_t /*def*/ = 0) {} - -template <> -inline uint64_t get_header_value(const Headers &headers, - const char *key, size_t id, - uint64_t def) { - auto rng = headers.equal_range(key); - auto it = rng.first; - std::advance(it, static_cast(id)); - if (it != rng.second) { - return std::strtoull(it->second.data(), nullptr, 10); +inline bool compare_case_ignore(const std::string &a, const std::string &b) { + if (a.size() != b.size()) { return false; } + for (size_t i = 0; i < b.size(); i++) { + if (::tolower(a[i]) != ::tolower(b[i])) { return false; } } - return def; + return true; } template @@ -2634,7 +3676,11 @@ inline bool parse_header(const char *beg, const char *end, T fn) { } if (p < end) { - fn(std::string(beg, key_end), decode_url(std::string(p, end), false)); + auto key = std::string(beg, key_end); + auto val = compare_case_ignore(key, "Location") + ? std::string(p, end) + : decode_url(std::string(p, end), false); + fn(std::move(key), std::move(val)); return true; } @@ -2650,15 +3696,26 @@ inline bool read_headers(Stream &strm, Headers &headers) { if (!line_reader.getline()) { return false; } // Check if the line ends with CRLF. + auto line_terminator_len = 2; if (line_reader.end_with_crlf()) { // Blank line indicates end of headers. if (line_reader.size() == 2) { break; } +#ifdef CPPHTTPLIB_ALLOW_LF_AS_LINE_TERMINATOR + } else { + // Blank line indicates end of headers. + if (line_reader.size() == 1) { break; } + line_terminator_len = 1; + } +#else } else { continue; // Skip invalid line. } +#endif - // Exclude CRLF - auto end = line_reader.ptr() + line_reader.size() - 2; + if (line_reader.size() > CPPHTTPLIB_HEADER_MAX_LENGTH) { return false; } + + // Exclude line terminator + auto end = line_reader.ptr() + line_reader.size() - line_terminator_len; parse_header(line_reader.ptr(), end, [&](std::string &&key, std::string &&val) { @@ -2721,7 +3778,8 @@ inline bool read_content_without_length(Stream &strm, return true; } -inline bool read_content_chunked(Stream &strm, +template +inline bool read_content_chunked(Stream &strm, T &x, ContentReceiverWithProgress out) { const auto bufsiz = 16; char buf[bufsiz]; @@ -2747,15 +3805,29 @@ inline bool read_content_chunked(Stream &strm, if (!line_reader.getline()) { return false; } - if (strcmp(line_reader.ptr(), "\r\n")) { break; } + if (strcmp(line_reader.ptr(), "\r\n")) { return false; } if (!line_reader.getline()) { return false; } } - if (chunk_len == 0) { - // Reader terminator after chunks - if (!line_reader.getline() || strcmp(line_reader.ptr(), "\r\n")) - return false; + assert(chunk_len == 0); + + // Trailer + if (!line_reader.getline()) { return false; } + + while (strcmp(line_reader.ptr(), "\r\n")) { + if (line_reader.size() > CPPHTTPLIB_HEADER_MAX_LENGTH) { return false; } + + // Exclude line terminator + constexpr auto line_terminator_len = 2; + auto end = line_reader.ptr() + line_reader.size() - line_terminator_len; + + parse_header(line_reader.ptr(), end, + [&](std::string &&key, std::string &&val) { + x.headers.emplace(std::move(key), std::move(val)); + }); + + if (!line_reader.getline()) { return false; } } return true; @@ -2774,8 +3846,7 @@ bool prepare_content_receiver(T &x, int &status, std::string encoding = x.get_header_value("Content-Encoding"); std::unique_ptr decompressor; - if (encoding.find("gzip") != std::string::npos || - encoding.find("deflate") != std::string::npos) { + if (encoding == "gzip" || encoding == "deflate") { #ifdef CPPHTTPLIB_ZLIB_SUPPORT decompressor = detail::make_unique(); #else @@ -2796,8 +3867,8 @@ bool prepare_content_receiver(T &x, int &status, ContentReceiverWithProgress out = [&](const char *buf, size_t n, uint64_t off, uint64_t len) { return decompressor->decompress(buf, n, - [&](const char *buf, size_t n) { - return receiver(buf, n, off, len); + [&](const char *buf2, size_t n2) { + return receiver(buf2, n2, off, len); }); }; return callback(std::move(out)); @@ -2826,11 +3897,11 @@ bool read_content(Stream &strm, T &x, size_t payload_max_length, int &status, auto exceed_payload_max_length = false; if (is_chunked_transfer_encoding(x.headers)) { - ret = read_content_chunked(strm, out); + ret = read_content_chunked(strm, x, out); } else if (!has_header(x.headers, "Content-Length")) { ret = read_content_without_length(strm, out); } else { - auto len = get_header_value(x.headers, "Content-Length"); + auto len = get_header_value_u64(x.headers, "Content-Length", 0, 0); if (len > payload_max_length) { exceed_payload_max_length = true; skip_content_with_length(strm, len); @@ -2843,19 +3914,10 @@ bool read_content(Stream &strm, T &x, size_t payload_max_length, int &status, if (!ret) { status = exceed_payload_max_length ? 413 : 400; } return ret; }); -} +} // namespace detail -template -inline ssize_t write_headers(Stream &strm, const T &info, - const Headers &headers) { +inline ssize_t write_headers(Stream &strm, const Headers &headers) { ssize_t write_len = 0; - for (const auto &x : info.headers) { - if (x.first == "EXCEPTION_WHAT") { continue; } - auto len = - strm.write_format("%s: %s\r\n", x.first.c_str(), x.second.c_str()); - if (len < 0) { return len; } - write_len += len; - } for (const auto &x : headers) { auto len = strm.write_format("%s: %s\r\n", x.first.c_str(), x.second.c_str()); @@ -2886,24 +3948,25 @@ inline bool write_content(Stream &strm, const ContentProvider &content_provider, auto ok = true; DataSink data_sink; - data_sink.write = [&](const char *d, size_t l) { + data_sink.write = [&](const char *d, size_t l) -> bool { if (ok) { - if (write_data(strm, d, l)) { + if (strm.is_writable() && write_data(strm, d, l)) { offset += l; } else { ok = false; } } + return ok; }; - data_sink.is_writable = [&](void) { return ok && strm.is_writable(); }; - while (offset < end_offset && !is_shutting_down()) { - if (!content_provider(offset, end_offset - offset, data_sink)) { + if (!strm.is_writable()) { + error = Error::Write; + return false; + } else if (!content_provider(offset, end_offset - offset, data_sink)) { error = Error::Canceled; return false; - } - if (!ok) { + } else if (!ok) { error = Error::Write; return false; } @@ -2932,20 +3995,24 @@ write_content_without_length(Stream &strm, auto ok = true; DataSink data_sink; - data_sink.write = [&](const char *d, size_t l) { + data_sink.write = [&](const char *d, size_t l) -> bool { if (ok) { offset += l; - if (!write_data(strm, d, l)) { ok = false; } + if (!strm.is_writable() || !write_data(strm, d, l)) { ok = false; } } + return ok; }; data_sink.done = [&](void) { data_available = false; }; - data_sink.is_writable = [&](void) { return ok && strm.is_writable(); }; - while (data_available && !is_shutting_down()) { - if (!content_provider(offset, 0, data_sink)) { return false; } - if (!ok) { return false; } + if (!strm.is_writable()) { + return false; + } else if (!content_provider(offset, 0, data_sink)) { + return false; + } else if (!ok) { + return false; + } } return true; } @@ -2959,33 +4026,34 @@ write_content_chunked(Stream &strm, const ContentProvider &content_provider, auto ok = true; DataSink data_sink; - data_sink.write = [&](const char *d, size_t l) { - if (!ok) { return; } + data_sink.write = [&](const char *d, size_t l) -> bool { + if (ok) { + data_available = l > 0; + offset += l; - data_available = l > 0; - offset += l; - - std::string payload; - if (!compressor.compress(d, l, false, - [&](const char *data, size_t data_len) { - payload.append(data, data_len); - return true; - })) { - ok = false; - return; - } - - if (!payload.empty()) { - // Emit chunked response header and footer for each chunk - auto chunk = from_i_to_hex(payload.size()) + "\r\n" + payload + "\r\n"; - if (!write_data(strm, chunk.data(), chunk.size())) { + std::string payload; + if (compressor.compress(d, l, false, + [&](const char *data, size_t data_len) { + payload.append(data, data_len); + return true; + })) { + if (!payload.empty()) { + // Emit chunked response header and footer for each chunk + auto chunk = + from_i_to_hex(payload.size()) + "\r\n" + payload + "\r\n"; + if (!strm.is_writable() || + !write_data(strm, chunk.data(), chunk.size())) { + ok = false; + } + } + } else { ok = false; - return; } } + return ok; }; - data_sink.done = [&](void) { + auto done_with_trailer = [&](const Headers *trailer) { if (!ok) { return; } data_available = false; @@ -3003,26 +4071,46 @@ write_content_chunked(Stream &strm, const ContentProvider &content_provider, if (!payload.empty()) { // Emit chunked response header and footer for each chunk auto chunk = from_i_to_hex(payload.size()) + "\r\n" + payload + "\r\n"; - if (!write_data(strm, chunk.data(), chunk.size())) { + if (!strm.is_writable() || + !write_data(strm, chunk.data(), chunk.size())) { ok = false; return; } } - static const std::string done_marker("0\r\n\r\n"); + static const std::string done_marker("0\r\n"); if (!write_data(strm, done_marker.data(), done_marker.size())) { ok = false; } + + // Trailer + if (trailer) { + for (const auto &kv : *trailer) { + std::string field_line = kv.first + ": " + kv.second + "\r\n"; + if (!write_data(strm, field_line.data(), field_line.size())) { + ok = false; + } + } + } + + static const std::string crlf("\r\n"); + if (!write_data(strm, crlf.data(), crlf.size())) { ok = false; } }; - data_sink.is_writable = [&](void) { return ok && strm.is_writable(); }; + data_sink.done = [&](void) { done_with_trailer(nullptr); }; + + data_sink.done_with_trailer = [&](const Headers &trailer) { + done_with_trailer(&trailer); + }; while (data_available && !is_shutting_down()) { - if (!content_provider(offset, 0, data_sink)) { + if (!strm.is_writable()) { + error = Error::Write; + return false; + } else if (!content_provider(offset, 0, data_sink)) { error = Error::Canceled; return false; - } - if (!ok) { + } else if (!ok) { error = Error::Write; return false; } @@ -3042,7 +4130,7 @@ inline bool write_content_chunked(Stream &strm, } template -inline bool redirect(T &cli, const Request &req, Response &res, +inline bool redirect(T &cli, Request &req, Response &res, const std::string &path, const std::string &location, Error &error) { Request new_req = req; @@ -3059,8 +4147,10 @@ inline bool redirect(T &cli, const Request &req, Response &res, auto ret = cli.send(new_req, new_res, error); if (ret) { - new_res.location = location; + req = new_req; res = new_res; + + if (res.location.empty()) res.location = location; } return ret; } @@ -3078,7 +4168,12 @@ inline std::string params_to_query_str(const Params ¶ms) { } inline void parse_query_text(const std::string &s, Params ¶ms) { + std::set cache; split(s.data(), s.data() + s.size(), '&', [&](const char *b, const char *e) { + std::string kv(b, e); + if (cache.find(kv) != cache.end()) { return; } + cache.insert(kv); + std::string key; std::string val; split(b, e, '=', [&](const char *b2, const char *e2) { @@ -3097,23 +4192,50 @@ inline void parse_query_text(const std::string &s, Params ¶ms) { inline bool parse_multipart_boundary(const std::string &content_type, std::string &boundary) { - auto pos = content_type.find("boundary="); + auto boundary_keyword = "boundary="; + auto pos = content_type.find(boundary_keyword); if (pos == std::string::npos) { return false; } - boundary = content_type.substr(pos + 9); - if (boundary.length() >= 2 && boundary.front() == '"' && - boundary.back() == '"') { - boundary = boundary.substr(1, boundary.size() - 2); - } + auto end = content_type.find(';', pos); + auto beg = pos + strlen(boundary_keyword); + boundary = trim_double_quotes_copy(content_type.substr(beg, end - beg)); return !boundary.empty(); } +inline void parse_disposition_params(const std::string &s, Params ¶ms) { + std::set cache; + split(s.data(), s.data() + s.size(), ';', [&](const char *b, const char *e) { + std::string kv(b, e); + if (cache.find(kv) != cache.end()) { return; } + cache.insert(kv); + + std::string key; + std::string val; + split(b, e, '=', [&](const char *b2, const char *e2) { + if (key.empty()) { + key.assign(b2, e2); + } else { + val.assign(b2, e2); + } + }); + + if (!key.empty()) { + params.emplace(trim_double_quotes_copy((key)), + trim_double_quotes_copy((val))); + } + }); +} + +#ifdef CPPHTTPLIB_NO_EXCEPTIONS +inline bool parse_range_header(const std::string &s, Ranges &ranges) { +#else inline bool parse_range_header(const std::string &s, Ranges &ranges) try { +#endif static auto re_first_range = std::regex(R"(bytes=(\d*-\d*(?:,\s*\d*-\d*)*))"); std::smatch m; if (std::regex_match(s, m, re_first_range)) { auto pos = static_cast(m.position(1)); auto len = static_cast(m.length(1)); - bool all_valid_ranges = true; + auto all_valid_ranges = true; split(&s[pos], &s[pos + len], ',', [&](const char *b, const char *e) { if (!all_valid_ranges) return; static auto re_another_range = std::regex(R"(\s*(\d*)-(\d*))"); @@ -3139,37 +4261,36 @@ inline bool parse_range_header(const std::string &s, Ranges &ranges) try { return all_valid_ranges; } return false; +#ifdef CPPHTTPLIB_NO_EXCEPTIONS +} +#else } catch (...) { return false; } +#endif class MultipartFormDataParser { public: MultipartFormDataParser() = default; - void set_boundary(std::string &&boundary) { boundary_ = boundary; } + void set_boundary(std::string &&boundary) { + boundary_ = boundary; + dash_boundary_crlf_ = dash_ + boundary_ + crlf_; + crlf_dash_boundary_ = crlf_ + dash_ + boundary_; + } bool is_valid() const { return is_valid_; } bool parse(const char *buf, size_t n, const ContentReceiver &content_callback, const MultipartContentHeader &header_callback) { - static const std::regex re_content_disposition( - "^Content-Disposition:\\s*form-data;\\s*name=\"(.*?)\"(?:;\\s*filename=" - "\"(.*?)\")?\\s*$", - std::regex_constants::icase); - static const std::string dash_ = "--"; - static const std::string crlf_ = "\r\n"; + buf_append(buf, n); - buf_.append(buf, n); // TODO: performance improvement - - while (!buf_.empty()) { + while (buf_size() > 0) { switch (state_) { case 0: { // Initial boundary - auto pattern = dash_ + boundary_ + crlf_; - if (pattern.size() > buf_.size()) { return true; } - auto pos = buf_.find(pattern); - if (pos != 0) { return false; } - buf_.erase(0, pattern.size()); - off_ += pattern.size(); + buf_erase(buf_find(dash_boundary_crlf_)); + if (dash_boundary_crlf_.size() > buf_size()) { return true; } + if (!buf_start_with(dash_boundary_crlf_)) { return false; } + buf_erase(dash_boundary_crlf_.size()); state_ = 1; break; } @@ -3179,104 +4300,110 @@ public: break; } case 2: { // Headers - auto pos = buf_.find(crlf_); - while (pos != std::string::npos) { + auto pos = buf_find(crlf_); + if (pos > CPPHTTPLIB_HEADER_MAX_LENGTH) { return false; } + while (pos < buf_size()) { // Empty line if (pos == 0) { if (!header_callback(file_)) { is_valid_ = false; return false; } - buf_.erase(0, crlf_.size()); - off_ += crlf_.size(); + buf_erase(crlf_.size()); state_ = 3; break; } static const std::string header_name = "content-type:"; - const auto header = buf_.substr(0, pos); + const auto header = buf_head(pos); if (start_with_case_ignore(header, header_name)) { file_.content_type = trim_copy(header.substr(header_name.size())); } else { + static const std::regex re_content_disposition( + R"~(^Content-Disposition:\s*form-data;\s*(.*)$)~", + std::regex_constants::icase); + std::smatch m; if (std::regex_match(header, m, re_content_disposition)) { - file_.name = m[1]; - file_.filename = m[2]; + Params params; + parse_disposition_params(m[1], params); + + auto it = params.find("name"); + if (it != params.end()) { + file_.name = it->second; + } else { + is_valid_ = false; + return false; + } + + it = params.find("filename"); + if (it != params.end()) { file_.filename = it->second; } + + it = params.find("filename*"); + if (it != params.end()) { + // Only allow UTF-8 enconnding... + static const std::regex re_rfc5987_encoding( + R"~(^UTF-8''(.+?)$)~", std::regex_constants::icase); + + std::smatch m2; + if (std::regex_match(it->second, m2, re_rfc5987_encoding)) { + file_.filename = decode_url(m2[1], false); // override... + } else { + is_valid_ = false; + return false; + } + } + } else { + is_valid_ = false; + return false; } } - - buf_.erase(0, pos + crlf_.size()); - off_ += pos + crlf_.size(); - pos = buf_.find(crlf_); + buf_erase(pos + crlf_.size()); + pos = buf_find(crlf_); } if (state_ != 3) { return true; } break; } case 3: { // Body - { - auto pattern = crlf_ + dash_; - if (pattern.size() > buf_.size()) { return true; } - - auto pos = find_string(buf_, pattern); - - if (!content_callback(buf_.data(), pos)) { + if (crlf_dash_boundary_.size() > buf_size()) { return true; } + auto pos = buf_find(crlf_dash_boundary_); + if (pos < buf_size()) { + if (!content_callback(buf_data(), pos)) { is_valid_ = false; return false; } - - off_ += pos; - buf_.erase(0, pos); - } - { - auto pattern = crlf_ + dash_ + boundary_; - if (pattern.size() > buf_.size()) { return true; } - - auto pos = buf_.find(pattern); - if (pos != std::string::npos) { - if (!content_callback(buf_.data(), pos)) { + buf_erase(pos + crlf_dash_boundary_.size()); + state_ = 4; + } else { + auto len = buf_size() - crlf_dash_boundary_.size(); + if (len > 0) { + if (!content_callback(buf_data(), len)) { is_valid_ = false; return false; } - - off_ += pos + pattern.size(); - buf_.erase(0, pos + pattern.size()); - state_ = 4; - } else { - if (!content_callback(buf_.data(), pattern.size())) { - is_valid_ = false; - return false; - } - - off_ += pattern.size(); - buf_.erase(0, pattern.size()); + buf_erase(len); } + return true; } break; } case 4: { // Boundary - if (crlf_.size() > buf_.size()) { return true; } - if (buf_.compare(0, crlf_.size(), crlf_) == 0) { - buf_.erase(0, crlf_.size()); - off_ += crlf_.size(); + if (crlf_.size() > buf_size()) { return true; } + if (buf_start_with(crlf_)) { + buf_erase(crlf_.size()); state_ = 1; } else { - auto pattern = dash_ + crlf_; - if (pattern.size() > buf_.size()) { return true; } - if (buf_.compare(0, pattern.size(), pattern) == 0) { - buf_.erase(0, pattern.size()); - off_ += pattern.size(); + if (dash_.size() > buf_size()) { return true; } + if (buf_start_with(dash_)) { + buf_erase(dash_.size()); is_valid_ = true; - state_ = 5; + buf_erase(buf_size()); // Remove epilogue } else { return true; } } break; } - case 5: { // Done - is_valid_ = false; - return false; - } } } @@ -3299,41 +4426,82 @@ private: return true; } - bool start_with(const std::string &a, size_t off, + const std::string dash_ = "--"; + const std::string crlf_ = "\r\n"; + std::string boundary_; + std::string dash_boundary_crlf_; + std::string crlf_dash_boundary_; + + size_t state_ = 0; + bool is_valid_ = false; + MultipartFormData file_; + + // Buffer + bool start_with(const std::string &a, size_t spos, size_t epos, const std::string &b) const { - if (a.size() - off < b.size()) { return false; } + if (epos - spos < b.size()) { return false; } for (size_t i = 0; i < b.size(); i++) { - if (a[i + off] != b[i]) { return false; } + if (a[i + spos] != b[i]) { return false; } } return true; } - size_t find_string(const std::string &s, const std::string &pattern) const { - auto c = pattern.front(); + size_t buf_size() const { return buf_epos_ - buf_spos_; } - size_t off = 0; - while (off < s.size()) { - auto pos = s.find(c, off); - if (pos == std::string::npos) { return s.size(); } + const char *buf_data() const { return &buf_[buf_spos_]; } - auto rem = s.size() - pos; - if (pattern.size() > rem) { return pos; } + std::string buf_head(size_t l) const { return buf_.substr(buf_spos_, l); } - if (start_with(s, pos, pattern)) { return pos; } + bool buf_start_with(const std::string &s) const { + return start_with(buf_, buf_spos_, buf_epos_, s); + } + + size_t buf_find(const std::string &s) const { + auto c = s.front(); + + size_t off = buf_spos_; + while (off < buf_epos_) { + auto pos = off; + while (true) { + if (pos == buf_epos_) { return buf_size(); } + if (buf_[pos] == c) { break; } + pos++; + } + + auto remaining_size = buf_epos_ - pos; + if (s.size() > remaining_size) { return buf_size(); } + + if (start_with(buf_, pos, buf_epos_, s)) { return pos - buf_spos_; } off = pos + 1; } - return s.size(); + return buf_size(); } - std::string boundary_; + void buf_append(const char *data, size_t n) { + auto remaining_size = buf_size(); + if (remaining_size > 0 && buf_spos_ > 0) { + for (size_t i = 0; i < remaining_size; i++) { + buf_[i] = buf_[buf_spos_ + i]; + } + } + buf_spos_ = 0; + buf_epos_ = remaining_size; + + if (remaining_size + n > buf_.size()) { buf_.resize(remaining_size + n); } + + for (size_t i = 0; i < n; i++) { + buf_[buf_epos_ + i] = data[i]; + } + buf_epos_ += n; + } + + void buf_erase(size_t size) { buf_spos_ += size; } std::string buf_; - size_t state_ = 0; - bool is_valid_ = false; - size_t off_ = 0; - MultipartFormData file_; + size_t buf_spos_ = 0; + size_t buf_epos_ = 0; }; inline std::string to_lower(const char *beg, const char *end) { @@ -3354,6 +4522,7 @@ inline std::string make_multipart_data_boundary() { // platforms, but due to lack of support in the c++ standard library, // doing better requires either some ugly hacks or breaking portability. std::random_device seed_gen; + // Request 128 bits of entropy for initialization std::seed_seq seed_sequence{seed_gen(), seed_gen(), seed_gen(), seed_gen()}; std::mt19937 engine(seed_sequence); @@ -3367,6 +4536,63 @@ inline std::string make_multipart_data_boundary() { return result; } +inline bool is_multipart_boundary_chars_valid(const std::string &boundary) { + auto valid = true; + for (size_t i = 0; i < boundary.size(); i++) { + auto c = boundary[i]; + if (!std::isalnum(c) && c != '-' && c != '_') { + valid = false; + break; + } + } + return valid; +} + +template +inline std::string +serialize_multipart_formdata_item_begin(const T &item, + const std::string &boundary) { + std::string body = "--" + boundary + "\r\n"; + body += "Content-Disposition: form-data; name=\"" + item.name + "\""; + if (!item.filename.empty()) { + body += "; filename=\"" + item.filename + "\""; + } + body += "\r\n"; + if (!item.content_type.empty()) { + body += "Content-Type: " + item.content_type + "\r\n"; + } + body += "\r\n"; + + return body; +} + +inline std::string serialize_multipart_formdata_item_end() { return "\r\n"; } + +inline std::string +serialize_multipart_formdata_finish(const std::string &boundary) { + return "--" + boundary + "--\r\n"; +} + +inline std::string +serialize_multipart_formdata_get_content_type(const std::string &boundary) { + return "multipart/form-data; boundary=" + boundary; +} + +inline std::string +serialize_multipart_formdata(const MultipartFormDataItems &items, + const std::string &boundary, bool finish = true) { + std::string body; + + for (const auto &item : items) { + body += serialize_multipart_formdata_item_begin(item, boundary); + body += item.content + serialize_multipart_formdata_item_end(); + } + + if (finish) body += serialize_multipart_formdata_finish(boundary); + + return body; +} + inline std::pair get_range_offset_and_length(const Request &req, size_t content_length, size_t index) { @@ -3387,12 +4613,13 @@ get_range_offset_and_length(const Request &req, size_t content_length, return std::make_pair(r.first, static_cast(r.second - r.first) + 1); } -inline std::string make_content_range_header_field(size_t offset, size_t length, - size_t content_length) { +inline std::string +make_content_range_header_field(const std::pair &range, + size_t content_length) { std::string field = "bytes "; - field += std::to_string(offset); + if (range.first != -1) { field += std::to_string(range.first); } field += "-"; - field += std::to_string(offset + length - 1); + if (range.second != -1) { field += std::to_string(range.second); } field += "/"; field += std::to_string(content_length); return field; @@ -3414,21 +4641,22 @@ bool process_multipart_ranges_data(const Request &req, Response &res, ctoken("\r\n"); } - auto offsets = get_range_offset_and_length(req, res.body.size(), i); + ctoken("Content-Range: "); + const auto &range = req.ranges[i]; + stoken(make_content_range_header_field(range, res.content_length_)); + ctoken("\r\n"); + ctoken("\r\n"); + + auto offsets = get_range_offset_and_length(req, res.content_length_, i); auto offset = offsets.first; auto length = offsets.second; - - ctoken("Content-Range: "); - stoken(make_content_range_header_field(offset, length, res.body.size())); - ctoken("\r\n"); - ctoken("\r\n"); if (!content(offset, length)) { return false; } ctoken("\r\n"); } ctoken("--"); stoken(boundary); - ctoken("--\r\n"); + ctoken("--"); return true; } @@ -3440,7 +4668,7 @@ inline bool make_multipart_ranges_data(const Request &req, Response &res, return process_multipart_ranges_data( req, res, boundary, content_type, [&](const std::string &token) { data += token; }, - [&](const char *token) { data += token; }, + [&](const std::string &token) { data += token; }, [&](size_t offset, size_t length) { if (offset < res.body.size()) { data += res.body.substr(offset, length); @@ -3459,7 +4687,7 @@ get_multipart_ranges_data_length(const Request &req, Response &res, process_multipart_ranges_data( req, res, boundary, content_type, [&](const std::string &token) { data_length += token.size(); }, - [&](const char *token) { data_length += strlen(token); }, + [&](const std::string &token) { data_length += token.size(); }, [&](size_t /*offset*/, size_t length) { data_length += length; return true; @@ -3477,7 +4705,7 @@ inline bool write_multipart_ranges_data(Stream &strm, const Request &req, return process_multipart_ranges_data( req, res, boundary, content_type, [&](const std::string &token) { strm.write(token); }, - [&](const char *token) { strm.write(token); }, + [&](const std::string &token) { strm.write(token); }, [&](size_t offset, size_t length) { return write_content(strm, res.content_provider_, offset, length, is_shutting_down); @@ -3505,8 +4733,8 @@ inline bool expect_content(const Request &req) { return false; } -inline bool has_crlf(const char *s) { - auto p = s; +inline bool has_crlf(const std::string &s) { + auto p = s.c_str(); while (*p) { if (*p == '\r' || *p == '\n') { return true; } p++; @@ -3515,52 +4743,51 @@ inline bool has_crlf(const char *s) { } #ifdef CPPHTTPLIB_OPENSSL_SUPPORT -template -inline std::string message_digest(const std::string &s, Init init, - Update update, Final final, - size_t digest_length) { - using namespace std; +inline std::string message_digest(const std::string &s, const EVP_MD *algo) { + auto context = std::unique_ptr( + EVP_MD_CTX_new(), EVP_MD_CTX_free); - std::vector md(digest_length, 0); - CTX ctx; - init(&ctx); - update(&ctx, s.data(), s.size()); - final(md.data(), &ctx); + unsigned int hash_length = 0; + unsigned char hash[EVP_MAX_MD_SIZE]; - stringstream ss; - for (auto c : md) { - ss << setfill('0') << setw(2) << hex << (unsigned int)c; + EVP_DigestInit_ex(context.get(), algo, nullptr); + EVP_DigestUpdate(context.get(), s.c_str(), s.size()); + EVP_DigestFinal_ex(context.get(), hash, &hash_length); + + std::stringstream ss; + for (auto i = 0u; i < hash_length; ++i) { + ss << std::hex << std::setw(2) << std::setfill('0') + << static_cast(hash[i]); } + return ss.str(); } inline std::string MD5(const std::string &s) { - return message_digest(s, MD5_Init, MD5_Update, MD5_Final, - MD5_DIGEST_LENGTH); + return message_digest(s, EVP_md5()); } inline std::string SHA_256(const std::string &s) { - return message_digest(s, SHA256_Init, SHA256_Update, SHA256_Final, - SHA256_DIGEST_LENGTH); + return message_digest(s, EVP_sha256()); } inline std::string SHA_512(const std::string &s) { - return message_digest(s, SHA512_Init, SHA512_Update, SHA512_Final, - SHA512_DIGEST_LENGTH); + return message_digest(s, EVP_sha512()); } #endif -#ifdef _WIN32 #ifdef CPPHTTPLIB_OPENSSL_SUPPORT +#ifdef _WIN32 // NOTE: This code came up with the following stackoverflow post: // https://stackoverflow.com/questions/9507184/can-openssl-on-windows-use-the-system-certificate-store inline bool load_system_certs_on_windows(X509_STORE *store) { auto hStore = CertOpenSystemStoreW((HCRYPTPROV_LEGACY)NULL, L"ROOT"); - if (!hStore) { return false; } + auto result = false; PCCERT_CONTEXT pContext = NULL; - while (pContext = CertEnumCertificatesInStore(hStore, pContext)) { + while ((pContext = CertEnumCertificatesInStore(hStore, pContext)) != + nullptr) { auto encoded_cert = static_cast(pContext->pbCertEncoded); @@ -3568,24 +4795,121 @@ inline bool load_system_certs_on_windows(X509_STORE *store) { if (x509) { X509_STORE_add_cert(store, x509); X509_free(x509); + result = true; } } CertFreeCertificateContext(pContext); CertCloseStore(hStore, 0); + return result; +} +#elif defined(CPPHTTPLIB_USE_CERTS_FROM_MACOSX_KEYCHAIN) && defined(__APPLE__) +#if TARGET_OS_OSX +template +using CFObjectPtr = + std::unique_ptr::type, void (*)(CFTypeRef)>; + +inline void cf_object_ptr_deleter(CFTypeRef obj) { + if (obj) { CFRelease(obj); } +} + +inline bool retrieve_certs_from_keychain(CFObjectPtr &certs) { + CFStringRef keys[] = {kSecClass, kSecMatchLimit, kSecReturnRef}; + CFTypeRef values[] = {kSecClassCertificate, kSecMatchLimitAll, + kCFBooleanTrue}; + + CFObjectPtr query( + CFDictionaryCreate(nullptr, reinterpret_cast(keys), values, + sizeof(keys) / sizeof(keys[0]), + &kCFTypeDictionaryKeyCallBacks, + &kCFTypeDictionaryValueCallBacks), + cf_object_ptr_deleter); + + if (!query) { return false; } + + CFTypeRef security_items = nullptr; + if (SecItemCopyMatching(query.get(), &security_items) != errSecSuccess || + CFArrayGetTypeID() != CFGetTypeID(security_items)) { + return false; + } + + certs.reset(reinterpret_cast(security_items)); return true; } -#endif +inline bool retrieve_root_certs_from_keychain(CFObjectPtr &certs) { + CFArrayRef root_security_items = nullptr; + if (SecTrustCopyAnchorCertificates(&root_security_items) != errSecSuccess) { + return false; + } + + certs.reset(root_security_items); + return true; +} + +inline bool add_certs_to_x509_store(CFArrayRef certs, X509_STORE *store) { + auto result = false; + for (auto i = 0; i < CFArrayGetCount(certs); ++i) { + const auto cert = reinterpret_cast( + CFArrayGetValueAtIndex(certs, i)); + + if (SecCertificateGetTypeID() != CFGetTypeID(cert)) { continue; } + + CFDataRef cert_data = nullptr; + if (SecItemExport(cert, kSecFormatX509Cert, 0, nullptr, &cert_data) != + errSecSuccess) { + continue; + } + + CFObjectPtr cert_data_ptr(cert_data, cf_object_ptr_deleter); + + auto encoded_cert = static_cast( + CFDataGetBytePtr(cert_data_ptr.get())); + + auto x509 = + d2i_X509(NULL, &encoded_cert, CFDataGetLength(cert_data_ptr.get())); + + if (x509) { + X509_STORE_add_cert(store, x509); + X509_free(x509); + result = true; + } + } + + return result; +} + +inline bool load_system_certs_on_macos(X509_STORE *store) { + auto result = false; + CFObjectPtr certs(nullptr, cf_object_ptr_deleter); + if (retrieve_certs_from_keychain(certs) && certs) { + result = add_certs_to_x509_store(certs.get(), store); + } + + if (retrieve_root_certs_from_keychain(certs) && certs) { + result = add_certs_to_x509_store(certs.get(), store) || result; + } + + return result; +} +#endif // TARGET_OS_OSX +#endif // _WIN32 +#endif // CPPHTTPLIB_OPENSSL_SUPPORT + +#ifdef _WIN32 class WSInit { public: WSInit() { WSADATA wsaData; - WSAStartup(0x0002, &wsaData); + if (WSAStartup(0x0002, &wsaData) == 0) is_valid_ = true; } - ~WSInit() { WSACleanup(); } + ~WSInit() { + if (is_valid_) WSACleanup(); + } + + bool is_valid_ = false; }; static WSInit wsinit_; @@ -3596,45 +4920,57 @@ inline std::pair make_digest_authentication_header( const Request &req, const std::map &auth, size_t cnonce_count, const std::string &cnonce, const std::string &username, const std::string &password, bool is_proxy = false) { - using namespace std; - - string nc; + std::string nc; { - stringstream ss; - ss << setfill('0') << setw(8) << hex << cnonce_count; + std::stringstream ss; + ss << std::setfill('0') << std::setw(8) << std::hex << cnonce_count; nc = ss.str(); } - auto qop = auth.at("qop"); - if (qop.find("auth-int") != std::string::npos) { - qop = "auth-int"; - } else { - qop = "auth"; + std::string qop; + if (auth.find("qop") != auth.end()) { + qop = auth.at("qop"); + if (qop.find("auth-int") != std::string::npos) { + qop = "auth-int"; + } else if (qop.find("auth") != std::string::npos) { + qop = "auth"; + } else { + qop.clear(); + } } std::string algo = "MD5"; if (auth.find("algorithm") != auth.end()) { algo = auth.at("algorithm"); } - string response; + std::string response; { - auto H = algo == "SHA-256" - ? detail::SHA_256 - : algo == "SHA-512" ? detail::SHA_512 : detail::MD5; + auto H = algo == "SHA-256" ? detail::SHA_256 + : algo == "SHA-512" ? detail::SHA_512 + : detail::MD5; auto A1 = username + ":" + auth.at("realm") + ":" + password; auto A2 = req.method + ":" + req.path; if (qop == "auth-int") { A2 += ":" + H(req.body); } - response = H(H(A1) + ":" + auth.at("nonce") + ":" + nc + ":" + cnonce + - ":" + qop + ":" + H(A2)); + if (qop.empty()) { + response = H(H(A1) + ":" + auth.at("nonce") + ":" + H(A2)); + } else { + response = H(H(A1) + ":" + auth.at("nonce") + ":" + nc + ":" + cnonce + + ":" + qop + ":" + H(A2)); + } } + auto opaque = (auth.find("opaque") != auth.end()) ? auth.at("opaque") : ""; + auto field = "Digest username=\"" + username + "\", realm=\"" + auth.at("realm") + "\", nonce=\"" + auth.at("nonce") + "\", uri=\"" + req.path + "\", algorithm=" + algo + - ", qop=" + qop + ", nc=\"" + nc + "\", cnonce=\"" + cnonce + - "\", response=\"" + response + "\""; + (qop.empty() ? ", response=\"" + : ", qop=" + qop + ", nc=" + nc + ", cnonce=\"" + + cnonce + "\", response=\"") + + response + "\"" + + (opaque.empty() ? "" : ", opaque=\"" + opaque + "\""); auto key = is_proxy ? "Proxy-Authorization" : "Authorization"; return std::make_pair(key, field); @@ -3657,7 +4993,7 @@ inline bool parse_www_authenticate(const Response &res, s = s.substr(pos + 1); auto beg = std::sregex_iterator(s.begin(), s.end(), re); for (auto i = beg; i != std::sregex_iterator(); ++i) { - auto m = *i; + const auto &m = *i; auto key = s.substr(static_cast(m.position(1)), static_cast(m.length(1))); auto val = m.length(2) > 0 @@ -3681,7 +5017,7 @@ inline std::string random_string(size_t length) { "ABCDEFGHIJKLMNOPQRSTUVWXYZ" "abcdefghijklmnopqrstuvwxyz"; const size_t max_index = (sizeof(charset) - 1); - return charset[static_cast(rand()) % max_index]; + return charset[static_cast(std::rand()) % max_index]; }; std::string str(length, 0); std::generate_n(str.begin(), length, randchar); @@ -3704,6 +5040,53 @@ private: } // namespace detail +inline std::string hosted_at(const std::string &hostname) { + std::vector addrs; + hosted_at(hostname, addrs); + if (addrs.empty()) { return std::string(); } + return addrs[0]; +} + +inline void hosted_at(const std::string &hostname, + std::vector &addrs) { + struct addrinfo hints; + struct addrinfo *result; + + memset(&hints, 0, sizeof(struct addrinfo)); + hints.ai_family = AF_UNSPEC; + hints.ai_socktype = SOCK_STREAM; + hints.ai_protocol = 0; + + if (getaddrinfo(hostname.c_str(), nullptr, &hints, &result)) { +#if defined __linux__ && !defined __ANDROID__ + res_init(); +#endif + return; + } + + for (auto rp = result; rp; rp = rp->ai_next) { + const auto &addr = + *reinterpret_cast(rp->ai_addr); + std::string ip; + auto dummy = -1; + if (detail::get_ip_and_port(addr, sizeof(struct sockaddr_storage), ip, + dummy)) { + addrs.push_back(ip); + } + } + + freeaddrinfo(result); +} + +inline std::string append_query_params(const std::string &path, + const Params ¶ms) { + std::string path_with_query = path; + const static std::regex re("[^?]+\\?.*"); + auto delm = std::regex_match(path, re) ? '&' : '?'; + path_with_query += delm + detail::params_to_query_str(params); + return path_with_query; +} + // Header utilities inline std::pair make_range_header(Ranges ranges) { std::string field = "bytes="; @@ -3720,8 +5103,7 @@ inline std::pair make_range_header(Ranges ranges) { inline std::pair make_basic_authentication_header(const std::string &username, - const std::string &password, - bool is_proxy = false) { + const std::string &password, bool is_proxy) { auto field = "Basic " + detail::base64_encode(username + ":" + password); auto key = is_proxy ? "Proxy-Authorization" : "Authorization"; return std::make_pair(key, std::move(field)); @@ -3736,41 +5118,33 @@ make_bearer_token_authentication_header(const std::string &token, } // Request implementation -inline bool Request::has_header(const char *key) const { +inline bool Request::has_header(const std::string &key) const { return detail::has_header(headers, key); } -inline std::string Request::get_header_value(const char *key, size_t id) const { +inline std::string Request::get_header_value(const std::string &key, + size_t id) const { return detail::get_header_value(headers, key, id, ""); } -template -inline T Request::get_header_value(const char *key, size_t id) const { - return detail::get_header_value(headers, key, id, 0); -} - -inline size_t Request::get_header_value_count(const char *key) const { +inline size_t Request::get_header_value_count(const std::string &key) const { auto r = headers.equal_range(key); return static_cast(std::distance(r.first, r.second)); } -inline void Request::set_header(const char *key, const char *val) { +inline void Request::set_header(const std::string &key, + const std::string &val) { if (!detail::has_crlf(key) && !detail::has_crlf(val)) { headers.emplace(key, val); } } -inline void Request::set_header(const char *key, const std::string &val) { - if (!detail::has_crlf(key) && !detail::has_crlf(val.c_str())) { - headers.emplace(key, val); - } -} - -inline bool Request::has_param(const char *key) const { +inline bool Request::has_param(const std::string &key) const { return params.find(key) != params.end(); } -inline std::string Request::get_param_value(const char *key, size_t id) const { +inline std::string Request::get_param_value(const std::string &key, + size_t id) const { auto rng = params.equal_range(key); auto it = rng.first; std::advance(it, static_cast(id)); @@ -3778,59 +5152,59 @@ inline std::string Request::get_param_value(const char *key, size_t id) const { return std::string(); } -inline size_t Request::get_param_value_count(const char *key) const { +inline size_t Request::get_param_value_count(const std::string &key) const { auto r = params.equal_range(key); return static_cast(std::distance(r.first, r.second)); } inline bool Request::is_multipart_form_data() const { const auto &content_type = get_header_value("Content-Type"); - return !content_type.find("multipart/form-data"); + return !content_type.rfind("multipart/form-data", 0); } -inline bool Request::has_file(const char *key) const { +inline bool Request::has_file(const std::string &key) const { return files.find(key) != files.end(); } -inline MultipartFormData Request::get_file_value(const char *key) const { +inline MultipartFormData Request::get_file_value(const std::string &key) const { auto it = files.find(key); if (it != files.end()) { return it->second; } return MultipartFormData(); } +inline std::vector +Request::get_file_values(const std::string &key) const { + std::vector values; + auto rng = files.equal_range(key); + for (auto it = rng.first; it != rng.second; it++) { + values.push_back(it->second); + } + return values; +} + // Response implementation -inline bool Response::has_header(const char *key) const { +inline bool Response::has_header(const std::string &key) const { return headers.find(key) != headers.end(); } -inline std::string Response::get_header_value(const char *key, +inline std::string Response::get_header_value(const std::string &key, size_t id) const { return detail::get_header_value(headers, key, id, ""); } -template -inline T Response::get_header_value(const char *key, size_t id) const { - return detail::get_header_value(headers, key, id, 0); -} - -inline size_t Response::get_header_value_count(const char *key) const { +inline size_t Response::get_header_value_count(const std::string &key) const { auto r = headers.equal_range(key); return static_cast(std::distance(r.first, r.second)); } -inline void Response::set_header(const char *key, const char *val) { +inline void Response::set_header(const std::string &key, + const std::string &val) { if (!detail::has_crlf(key) && !detail::has_crlf(val)) { headers.emplace(key, val); } } -inline void Response::set_header(const char *key, const std::string &val) { - if (!detail::has_crlf(key) && !detail::has_crlf(val.c_str())) { - headers.emplace(key, val); - } -} - -inline void Response::set_redirect(const char *url, int stat) { +inline void Response::set_redirect(const std::string &url, int stat) { if (!detail::has_crlf(url)) { set_header("Location", url); if (300 <= stat && stat < 400) { @@ -3841,12 +5215,8 @@ inline void Response::set_redirect(const char *url, int stat) { } } -inline void Response::set_redirect(const std::string &url, int stat) { - set_redirect(url.c_str(), stat); -} - inline void Response::set_content(const char *s, size_t n, - const char *content_type) { + const std::string &content_type) { body.assign(s, n); auto rng = headers.equal_range("Content-Type"); @@ -3855,26 +5225,23 @@ inline void Response::set_content(const char *s, size_t n, } inline void Response::set_content(const std::string &s, - const char *content_type) { + const std::string &content_type) { set_content(s.data(), s.size(), content_type); } -inline void -Response::set_content_provider(size_t in_length, const char *content_type, - ContentProvider provider, - const std::function &resource_releaser) { - assert(in_length > 0); +inline void Response::set_content_provider( + size_t in_length, const std::string &content_type, ContentProvider provider, + ContentProviderResourceReleaser resource_releaser) { set_header("Content-Type", content_type); content_length_ = in_length; - content_provider_ = std::move(provider); + if (in_length > 0) { content_provider_ = std::move(provider); } content_provider_resource_releaser_ = resource_releaser; is_chunked_content_provider_ = false; } -inline void -Response::set_content_provider(const char *content_type, - ContentProviderWithoutLength provider, - const std::function &resource_releaser) { +inline void Response::set_content_provider( + const std::string &content_type, ContentProviderWithoutLength provider, + ContentProviderResourceReleaser resource_releaser) { set_header("Content-Type", content_type); content_length_ = 0; content_provider_ = detail::ContentProviderAdapter(std::move(provider)); @@ -3883,8 +5250,8 @@ Response::set_content_provider(const char *content_type, } inline void Response::set_chunked_content_provider( - const char *content_type, ContentProviderWithoutLength provider, - const std::function &resource_releaser) { + const std::string &content_type, ContentProviderWithoutLength provider, + ContentProviderResourceReleaser resource_releaser) { set_header("Content-Type", content_type); content_length_ = 0; content_provider_ = detail::ContentProviderAdapter(std::move(provider)); @@ -3892,7 +5259,23 @@ inline void Response::set_chunked_content_provider( is_chunked_content_provider_ = true; } -// Rstream implementation +// Result implementation +inline bool Result::has_request_header(const std::string &key) const { + return request_headers_.find(key) != request_headers_.end(); +} + +inline std::string Result::get_request_header_value(const std::string &key, + size_t id) const { + return detail::get_header_value(request_headers_, key, id, ""); +} + +inline size_t +Result::get_request_header_value_count(const std::string &key) const { + auto r = request_headers_.equal_range(key); + return static_cast(std::distance(r.first, r.second)); +} + +// Stream implementation inline ssize_t Stream::write(const char *ptr) { return write(ptr, strlen(ptr)); } @@ -3901,40 +5284,6 @@ inline ssize_t Stream::write(const std::string &s) { return write(s.data(), s.size()); } -template -inline ssize_t Stream::write_format(const char *fmt, const Args &... args) { - const auto bufsiz = 2048; - std::array buf; - -#if defined(_MSC_VER) && _MSC_VER < 1900 - auto sn = _snprintf_s(buf.data(), bufsiz - 1, buf.size() - 1, fmt, args...); -#else - auto sn = snprintf(buf.data(), buf.size() - 1, fmt, args...); -#endif - if (sn <= 0) { return sn; } - - auto n = static_cast(sn); - - if (n >= buf.size() - 1) { - std::vector glowable_buf(buf.size()); - - while (n >= glowable_buf.size() - 1) { - glowable_buf.resize(glowable_buf.size() * 2); -#if defined(_MSC_VER) && _MSC_VER < 1900 - n = static_cast(_snprintf_s(&glowable_buf[0], glowable_buf.size(), - glowable_buf.size() - 1, fmt, - args...)); -#else - n = static_cast( - snprintf(&glowable_buf[0], glowable_buf.size() - 1, fmt, args...)); -#endif - } - return write(&glowable_buf[0], n); - } else { - return write(buf.data(), n); - } -} - namespace detail { // Socket stream implementation @@ -3945,7 +5294,7 @@ inline SocketStream::SocketStream(socket_t sock, time_t read_timeout_sec, : sock_(sock), read_timeout_sec_(read_timeout_sec), read_timeout_usec_(read_timeout_usec), write_timeout_sec_(write_timeout_sec), - write_timeout_usec_(write_timeout_usec) {} + write_timeout_usec_(write_timeout_usec), read_buff_(read_buff_size_, 0) {} inline SocketStream::~SocketStream() {} @@ -3954,35 +5303,65 @@ inline bool SocketStream::is_readable() const { } inline bool SocketStream::is_writable() const { - return select_write(sock_, write_timeout_sec_, write_timeout_usec_) > 0; + return select_write(sock_, write_timeout_sec_, write_timeout_usec_) > 0 && + is_socket_alive(sock_); } inline ssize_t SocketStream::read(char *ptr, size_t size) { +#ifdef _WIN32 + size = + (std::min)(size, static_cast((std::numeric_limits::max)())); +#else + size = (std::min)(size, + static_cast((std::numeric_limits::max)())); +#endif + + if (read_buff_off_ < read_buff_content_size_) { + auto remaining_size = read_buff_content_size_ - read_buff_off_; + if (size <= remaining_size) { + memcpy(ptr, read_buff_.data() + read_buff_off_, size); + read_buff_off_ += size; + return static_cast(size); + } else { + memcpy(ptr, read_buff_.data() + read_buff_off_, remaining_size); + read_buff_off_ += remaining_size; + return static_cast(remaining_size); + } + } + if (!is_readable()) { return -1; } -#ifdef _WIN32 - if (size > static_cast((std::numeric_limits::max)())) { - return -1; + read_buff_off_ = 0; + read_buff_content_size_ = 0; + + if (size < read_buff_size_) { + auto n = read_socket(sock_, read_buff_.data(), read_buff_size_, + CPPHTTPLIB_RECV_FLAGS); + if (n <= 0) { + return n; + } else if (n <= static_cast(size)) { + memcpy(ptr, read_buff_.data(), static_cast(n)); + return n; + } else { + memcpy(ptr, read_buff_.data(), size); + read_buff_off_ = size; + read_buff_content_size_ = static_cast(n); + return static_cast(size); + } + } else { + return read_socket(sock_, ptr, size, CPPHTTPLIB_RECV_FLAGS); } - return recv(sock_, ptr, static_cast(size), CPPHTTPLIB_RECV_FLAGS); -#else - return handle_EINTR( - [&]() { return recv(sock_, ptr, size, CPPHTTPLIB_RECV_FLAGS); }); -#endif } inline ssize_t SocketStream::write(const char *ptr, size_t size) { if (!is_writable()) { return -1; } -#ifdef _WIN32 - if (size > static_cast((std::numeric_limits::max)())) { - return -1; - } - return send(sock_, ptr, static_cast(size), CPPHTTPLIB_SEND_FLAGS); -#else - return handle_EINTR( - [&]() { return send(sock_, ptr, size, CPPHTTPLIB_SEND_FLAGS); }); +#if defined(_WIN32) && !defined(_WIN64) + size = + (std::min)(size, static_cast((std::numeric_limits::max)())); #endif + + return send_socket(sock_, ptr, size, CPPHTTPLIB_SEND_FLAGS); } inline void SocketStream::get_remote_ip_and_port(std::string &ip, @@ -3990,6 +5369,11 @@ inline void SocketStream::get_remote_ip_and_port(std::string &ip, return detail::get_remote_ip_and_port(sock_, ip, port); } +inline void SocketStream::get_local_ip_and_port(std::string &ip, + int &port) const { + return detail::get_local_ip_and_port(sock_, ip, port); +} + inline socket_t SocketStream::socket() const { return sock_; } // Buffer stream implementation @@ -3998,7 +5382,7 @@ inline bool BufferStream::is_readable() const { return true; } inline bool BufferStream::is_writable() const { return true; } inline ssize_t BufferStream::read(char *ptr, size_t size) { -#if defined(_MSC_VER) && _MSC_VER <= 1900 +#if defined(_MSC_VER) && _MSC_VER < 1910 auto len_read = buffer._Copy_s(ptr, size, size, position); #else auto len_read = buffer.copy(ptr, size, position); @@ -4015,17 +5399,112 @@ inline ssize_t BufferStream::write(const char *ptr, size_t size) { inline void BufferStream::get_remote_ip_and_port(std::string & /*ip*/, int & /*port*/) const {} +inline void BufferStream::get_local_ip_and_port(std::string & /*ip*/, + int & /*port*/) const {} + inline socket_t BufferStream::socket() const { return 0; } inline const std::string &BufferStream::get_buffer() const { return buffer; } +inline PathParamsMatcher::PathParamsMatcher(const std::string &pattern) { + // One past the last ending position of a path param substring + std::size_t last_param_end = 0; + +#ifndef CPPHTTPLIB_NO_EXCEPTIONS + // Needed to ensure that parameter names are unique during matcher + // construction + // If exceptions are disabled, only last duplicate path + // parameter will be set + std::unordered_set param_name_set; +#endif + + while (true) { + const auto marker_pos = pattern.find(marker, last_param_end); + if (marker_pos == std::string::npos) { break; } + + static_fragments_.push_back( + pattern.substr(last_param_end, marker_pos - last_param_end)); + + const auto param_name_start = marker_pos + 1; + + auto sep_pos = pattern.find(separator, param_name_start); + if (sep_pos == std::string::npos) { sep_pos = pattern.length(); } + + auto param_name = + pattern.substr(param_name_start, sep_pos - param_name_start); + +#ifndef CPPHTTPLIB_NO_EXCEPTIONS + if (param_name_set.find(param_name) != param_name_set.cend()) { + std::string msg = "Encountered path parameter '" + param_name + + "' multiple times in route pattern '" + pattern + "'."; + throw std::invalid_argument(msg); + } +#endif + + param_names_.push_back(std::move(param_name)); + + last_param_end = sep_pos + 1; + } + + if (last_param_end < pattern.length()) { + static_fragments_.push_back(pattern.substr(last_param_end)); + } +} + +inline bool PathParamsMatcher::match(Request &request) const { + request.matches = std::smatch(); + request.path_params.clear(); + request.path_params.reserve(param_names_.size()); + + // One past the position at which the path matched the pattern last time + std::size_t starting_pos = 0; + for (size_t i = 0; i < static_fragments_.size(); ++i) { + const auto &fragment = static_fragments_[i]; + + if (starting_pos + fragment.length() > request.path.length()) { + return false; + } + + // Avoid unnecessary allocation by using strncmp instead of substr + + // comparison + if (std::strncmp(request.path.c_str() + starting_pos, fragment.c_str(), + fragment.length()) != 0) { + return false; + } + + starting_pos += fragment.length(); + + // Should only happen when we have a static fragment after a param + // Example: '/users/:id/subscriptions' + // The 'subscriptions' fragment here does not have a corresponding param + if (i >= param_names_.size()) { continue; } + + auto sep_pos = request.path.find(separator, starting_pos); + if (sep_pos == std::string::npos) { sep_pos = request.path.length(); } + + const auto ¶m_name = param_names_[i]; + + request.path_params.emplace( + param_name, request.path.substr(starting_pos, sep_pos - starting_pos)); + + // Mark everythin up to '/' as matched + starting_pos = sep_pos + 1; + } + // Returns false if the path is longer than the pattern + return starting_pos >= request.path.length(); +} + +inline bool RegexMatcher::match(Request &request) const { + request.path_params.clear(); + return std::regex_match(request.path, request.matches, regex_); +} + } // namespace detail // HTTP server implementation inline Server::Server() : new_task_queue( - [] { return new ThreadPool(CPPHTTPLIB_THREAD_POOL_COUNT); }), - svr_sock_(INVALID_SOCKET), is_running_(false) { + [] { return new ThreadPool(CPPHTTPLIB_THREAD_POOL_COUNT); }) { #ifndef _WIN32 signal(SIGPIPE, SIG_IGN); #endif @@ -4033,78 +5512,88 @@ inline Server::Server() inline Server::~Server() {} -inline Server &Server::Get(const char *pattern, Handler handler) { +inline std::unique_ptr +Server::make_matcher(const std::string &pattern) { + if (pattern.find("/:") != std::string::npos) { + return detail::make_unique(pattern); + } else { + return detail::make_unique(pattern); + } +} + +inline Server &Server::Get(const std::string &pattern, Handler handler) { get_handlers_.push_back( - std::make_pair(std::regex(pattern), std::move(handler))); + std::make_pair(make_matcher(pattern), std::move(handler))); return *this; } -inline Server &Server::Post(const char *pattern, Handler handler) { +inline Server &Server::Post(const std::string &pattern, Handler handler) { post_handlers_.push_back( - std::make_pair(std::regex(pattern), std::move(handler))); + std::make_pair(make_matcher(pattern), std::move(handler))); return *this; } -inline Server &Server::Post(const char *pattern, +inline Server &Server::Post(const std::string &pattern, HandlerWithContentReader handler) { post_handlers_for_content_reader_.push_back( - std::make_pair(std::regex(pattern), std::move(handler))); + std::make_pair(make_matcher(pattern), std::move(handler))); return *this; } -inline Server &Server::Put(const char *pattern, Handler handler) { +inline Server &Server::Put(const std::string &pattern, Handler handler) { put_handlers_.push_back( - std::make_pair(std::regex(pattern), std::move(handler))); + std::make_pair(make_matcher(pattern), std::move(handler))); return *this; } -inline Server &Server::Put(const char *pattern, +inline Server &Server::Put(const std::string &pattern, HandlerWithContentReader handler) { put_handlers_for_content_reader_.push_back( - std::make_pair(std::regex(pattern), std::move(handler))); + std::make_pair(make_matcher(pattern), std::move(handler))); return *this; } -inline Server &Server::Patch(const char *pattern, Handler handler) { +inline Server &Server::Patch(const std::string &pattern, Handler handler) { patch_handlers_.push_back( - std::make_pair(std::regex(pattern), std::move(handler))); + std::make_pair(make_matcher(pattern), std::move(handler))); return *this; } -inline Server &Server::Patch(const char *pattern, +inline Server &Server::Patch(const std::string &pattern, HandlerWithContentReader handler) { patch_handlers_for_content_reader_.push_back( - std::make_pair(std::regex(pattern), std::move(handler))); + std::make_pair(make_matcher(pattern), std::move(handler))); return *this; } -inline Server &Server::Delete(const char *pattern, Handler handler) { +inline Server &Server::Delete(const std::string &pattern, Handler handler) { delete_handlers_.push_back( - std::make_pair(std::regex(pattern), std::move(handler))); + std::make_pair(make_matcher(pattern), std::move(handler))); return *this; } -inline Server &Server::Delete(const char *pattern, +inline Server &Server::Delete(const std::string &pattern, HandlerWithContentReader handler) { delete_handlers_for_content_reader_.push_back( - std::make_pair(std::regex(pattern), std::move(handler))); + std::make_pair(make_matcher(pattern), std::move(handler))); return *this; } -inline Server &Server::Options(const char *pattern, Handler handler) { +inline Server &Server::Options(const std::string &pattern, Handler handler) { options_handlers_.push_back( - std::make_pair(std::regex(pattern), std::move(handler))); + std::make_pair(make_matcher(pattern), std::move(handler))); return *this; } -inline bool Server::set_base_dir(const char *dir, const char *mount_point) { +inline bool Server::set_base_dir(const std::string &dir, + const std::string &mount_point) { return set_mount_point(mount_point, dir); } -inline bool Server::set_mount_point(const char *mount_point, const char *dir, - Headers headers) { +inline bool Server::set_mount_point(const std::string &mount_point, + const std::string &dir, Headers headers) { if (detail::is_dir(dir)) { - std::string mnt = mount_point ? mount_point : "/"; + std::string mnt = !mount_point.empty() ? mount_point : "/"; if (!mnt.empty() && mnt[0] == '/') { base_dirs_.push_back({mnt, dir, std::move(headers)}); return true; @@ -4113,7 +5602,7 @@ inline bool Server::set_mount_point(const char *mount_point, const char *dir, return false; } -inline bool Server::remove_mount_point(const char *mount_point) { +inline bool Server::remove_mount_point(const std::string &mount_point) { for (auto it = base_dirs_.begin(); it != base_dirs_.end(); ++it) { if (it->mount_point == mount_point) { base_dirs_.erase(it); @@ -4123,75 +5612,149 @@ inline bool Server::remove_mount_point(const char *mount_point) { return false; } -inline void Server::set_file_extension_and_mimetype_mapping(const char *ext, - const char *mime) { +inline Server & +Server::set_file_extension_and_mimetype_mapping(const std::string &ext, + const std::string &mime) { file_extension_and_mimetype_map_[ext] = mime; + return *this; } -inline void Server::set_file_request_handler(Handler handler) { +inline Server &Server::set_default_file_mimetype(const std::string &mime) { + default_file_mimetype_ = mime; + return *this; +} + +inline Server &Server::set_file_request_handler(Handler handler) { file_request_handler_ = std::move(handler); + return *this; } -inline void Server::set_error_handler(Handler handler) { +inline Server &Server::set_error_handler(HandlerWithResponse handler) { error_handler_ = std::move(handler); + return *this; } -inline void Server::set_tcp_nodelay(bool on) { tcp_nodelay_ = on; } - -inline void Server::set_socket_options(SocketOptions socket_options) { - socket_options_ = std::move(socket_options); +inline Server &Server::set_error_handler(Handler handler) { + error_handler_ = [handler](const Request &req, Response &res) { + handler(req, res); + return HandlerResponse::Handled; + }; + return *this; } -inline void Server::set_logger(Logger logger) { logger_ = std::move(logger); } +inline Server &Server::set_exception_handler(ExceptionHandler handler) { + exception_handler_ = std::move(handler); + return *this; +} -inline void +inline Server &Server::set_pre_routing_handler(HandlerWithResponse handler) { + pre_routing_handler_ = std::move(handler); + return *this; +} + +inline Server &Server::set_post_routing_handler(Handler handler) { + post_routing_handler_ = std::move(handler); + return *this; +} + +inline Server &Server::set_logger(Logger logger) { + logger_ = std::move(logger); + return *this; +} + +inline Server & Server::set_expect_100_continue_handler(Expect100ContinueHandler handler) { expect_100_continue_handler_ = std::move(handler); + return *this; } -inline void Server::set_keep_alive_max_count(size_t count) { +inline Server &Server::set_address_family(int family) { + address_family_ = family; + return *this; +} + +inline Server &Server::set_tcp_nodelay(bool on) { + tcp_nodelay_ = on; + return *this; +} + +inline Server &Server::set_socket_options(SocketOptions socket_options) { + socket_options_ = std::move(socket_options); + return *this; +} + +inline Server &Server::set_default_headers(Headers headers) { + default_headers_ = std::move(headers); + return *this; +} + +inline Server &Server::set_header_writer( + std::function const &writer) { + header_writer_ = writer; + return *this; +} + +inline Server &Server::set_keep_alive_max_count(size_t count) { keep_alive_max_count_ = count; + return *this; } -inline void Server::set_keep_alive_timeout(time_t sec) { +inline Server &Server::set_keep_alive_timeout(time_t sec) { keep_alive_timeout_sec_ = sec; + return *this; } -inline void Server::set_read_timeout(time_t sec, time_t usec) { +inline Server &Server::set_read_timeout(time_t sec, time_t usec) { read_timeout_sec_ = sec; read_timeout_usec_ = usec; + return *this; } -inline void Server::set_write_timeout(time_t sec, time_t usec) { +inline Server &Server::set_write_timeout(time_t sec, time_t usec) { write_timeout_sec_ = sec; write_timeout_usec_ = usec; + return *this; } -inline void Server::set_idle_interval(time_t sec, time_t usec) { +inline Server &Server::set_idle_interval(time_t sec, time_t usec) { idle_interval_sec_ = sec; idle_interval_usec_ = usec; + return *this; } -inline void Server::set_payload_max_length(size_t length) { +inline Server &Server::set_payload_max_length(size_t length) { payload_max_length_ = length; + return *this; } -inline bool Server::bind_to_port(const char *host, int port, int socket_flags) { +inline bool Server::bind_to_port(const std::string &host, int port, + int socket_flags) { if (bind_internal(host, port, socket_flags) < 0) return false; return true; } -inline int Server::bind_to_any_port(const char *host, int socket_flags) { +inline int Server::bind_to_any_port(const std::string &host, int socket_flags) { return bind_internal(host, 0, socket_flags); } -inline bool Server::listen_after_bind() { return listen_internal(); } +inline bool Server::listen_after_bind() { + auto se = detail::scope_exit([&]() { done_ = true; }); + return listen_internal(); +} -inline bool Server::listen(const char *host, int port, int socket_flags) { +inline bool Server::listen(const std::string &host, int port, + int socket_flags) { + auto se = detail::scope_exit([&]() { done_ = true; }); return bind_to_port(host, port, socket_flags) && listen_internal(); } inline bool Server::is_running() const { return is_running_; } +inline void Server::wait_until_ready() const { + while (!is_running() && !done_) { + std::this_thread::sleep_for(std::chrono::milliseconds{1}); + } +} + inline void Server::stop() { if (is_running_) { assert(svr_sock_ != INVALID_SOCKET); @@ -4202,25 +5765,66 @@ inline void Server::stop() { } inline bool Server::parse_request_line(const char *s, Request &req) { - const static std::regex re( - "(GET|HEAD|POST|PUT|DELETE|CONNECT|OPTIONS|TRACE|PATCH|PRI) " - "(([^? ]+)(?:\\?([^ ]*?))?) (HTTP/1\\.[01])\r\n"); + auto len = strlen(s); + if (len < 2 || s[len - 2] != '\r' || s[len - 1] != '\n') { return false; } + len -= 2; - std::cmatch m; - if (std::regex_match(s, m, re)) { - req.version = std::string(m[5]); - req.method = std::string(m[1]); - req.target = std::string(m[2]); - req.path = detail::decode_url(m[3], false); + { + size_t count = 0; - // Parse query text - auto len = std::distance(m[4].first, m[4].second); - if (len > 0) { detail::parse_query_text(m[4], req.params); } + detail::split(s, s + len, ' ', [&](const char *b, const char *e) { + switch (count) { + case 0: req.method = std::string(b, e); break; + case 1: req.target = std::string(b, e); break; + case 2: req.version = std::string(b, e); break; + default: break; + } + count++; + }); - return true; + if (count != 3) { return false; } } - return false; + static const std::set methods{ + "GET", "HEAD", "POST", "PUT", "DELETE", + "CONNECT", "OPTIONS", "TRACE", "PATCH", "PRI"}; + + if (methods.find(req.method) == methods.end()) { return false; } + + if (req.version != "HTTP/1.1" && req.version != "HTTP/1.0") { return false; } + + { + // Skip URL fragment + for (size_t i = 0; i < req.target.size(); i++) { + if (req.target[i] == '#') { + req.target.erase(i); + break; + } + } + + size_t count = 0; + + detail::split(req.target.data(), req.target.data() + req.target.size(), '?', + [&](const char *b, const char *e) { + switch (count) { + case 0: + req.path = detail::decode_url(std::string(b, e), false); + break; + case 1: { + if (e - b > 0) { + detail::parse_query_text(std::string(b, e), req.params); + } + break; + } + default: break; + } + count++; + }); + + if (count > 2) { return false; } + } + + return true; } inline bool Server::write_response(Stream &strm, bool close_connection, @@ -4240,13 +5844,16 @@ inline bool Server::write_response_core(Stream &strm, bool close_connection, bool need_apply_ranges) { assert(res.status != -1); - if (400 <= res.status && error_handler_) { error_handler_(req, res); } + if (400 <= res.status && error_handler_ && + error_handler_(req, res) == HandlerResponse::Handled) { + need_apply_ranges = true; + } std::string content_type; std::string boundary; if (need_apply_ranges) { apply_ranges(req, res, content_type, boundary); } - // Headers + // Prepare additional headers if (close_connection || req.get_header_value("Connection") == "close") { res.set_header("Connection", "close"); } else { @@ -4270,28 +5877,36 @@ inline bool Server::write_response_core(Stream &strm, bool close_connection, res.set_header("Accept-Ranges", "bytes"); } - detail::BufferStream bstrm; + if (post_routing_handler_) { post_routing_handler_(req, res); } - // Response line - if (!bstrm.write_format("HTTP/1.1 %d %s\r\n", res.status, - detail::status_message(res.status))) { - return false; + // Response line and headers + { + detail::BufferStream bstrm; + + if (!bstrm.write_format("HTTP/1.1 %d %s\r\n", res.status, + status_message(res.status))) { + return false; + } + + if (!header_writer_(bstrm, res.headers)) { return false; } + + // Flush buffer + auto &data = bstrm.get_buffer(); + detail::write_data(strm, data.data(), data.size()); } - if (!detail::write_headers(bstrm, res, Headers())) { return false; } - - // Flush buffer - auto &data = bstrm.get_buffer(); - strm.write(data.data(), data.size()); - // Body auto ret = true; if (req.method != "HEAD") { if (!res.body.empty()) { - if (!strm.write(res.body)) { ret = false; } + if (!detail::write_data(strm, res.body.data(), res.body.size())) { + ret = false; + } } else if (res.content_provider_) { - if (!write_content_with_provider(strm, req, res, boundary, - content_type)) { + if (write_content_with_provider(strm, req, res, boundary, content_type)) { + res.content_provider_success_ = true; + } else { + res.content_provider_success_ = false; ret = false; } } @@ -4351,11 +5966,11 @@ Server::write_content_with_provider(Stream &strm, const Request &req, is_shutting_down); } } - return true; } inline bool Server::read_content(Stream &strm, Request &req, Response &res) { MultipartFormDataMap::iterator cur; + auto file_count = 0; if (read_content_core( strm, req, res, // Regular @@ -4366,6 +5981,9 @@ inline bool Server::read_content(Stream &strm, Request &req, Response &res) { }, // Multipart [&](const MultipartFormData &file) { + if (file_count++ == CPPHTTPLIB_MULTIPART_FORM_DATA_FILE_MAX_COUNT) { + return false; + } cur = req.files.emplace(file.name, file); return true; }, @@ -4377,6 +5995,10 @@ inline bool Server::read_content(Stream &strm, Request &req, Response &res) { })) { const auto &content_type = req.get_header_value("Content-Type"); if (!content_type.find("application/x-www-form-urlencoded")) { + if (req.body.size() > CPPHTTPLIB_FORM_URL_ENCODED_PAYLOAD_MAX_LENGTH) { + res.status = 413; // NOTE: should be 414? + return false; + } detail::parse_query_text(req.body, req.params); } return true; @@ -4395,7 +6017,7 @@ inline bool Server::read_content_with_content_receiver( inline bool Server::read_content_core(Stream &strm, Request &req, Response &res, ContentReceiver receiver, - MultipartContentHeader mulitpart_header, + MultipartContentHeader multipart_header, ContentReceiver multipart_receiver) { detail::MultipartFormDataParser multipart_form_data_parser; ContentReceiverWithProgress out; @@ -4413,16 +6035,16 @@ inline bool Server::read_content_core(Stream &strm, Request &req, Response &res, /* For debug size_t pos = 0; while (pos < n) { - auto read_size = std::min(1, n - pos); + auto read_size = (std::min)(1, n - pos); auto ret = multipart_form_data_parser.parse( - buf + pos, read_size, multipart_receiver, mulitpart_header); + buf + pos, read_size, multipart_receiver, multipart_header); if (!ret) { return false; } pos += read_size; } return true; */ return multipart_form_data_parser.parse(buf, n, multipart_receiver, - mulitpart_header); + multipart_header); }; } else { out = [receiver](const char *buf, size_t n, uint64_t /*off*/, @@ -4448,7 +6070,7 @@ inline bool Server::read_content_core(Stream &strm, Request &req, Response &res, return true; } -inline bool Server::handle_file_request(Request &req, Response &res, +inline bool Server::handle_file_request(const Request &req, Response &res, bool head) { for (const auto &entry : base_dirs_) { // Prefix match @@ -4459,17 +6081,26 @@ inline bool Server::handle_file_request(Request &req, Response &res, if (path.back() == '/') { path += "index.html"; } if (detail::is_file(path)) { - detail::read_file(path, res.body); - auto type = - detail::find_content_type(path, file_extension_and_mimetype_map_); - if (type) { res.set_header("Content-Type", type); } for (const auto &kv : entry.headers) { res.set_header(kv.first.c_str(), kv.second); } - res.status = req.has_header("Range") ? 206 : 200; + + auto mm = std::make_shared(path.c_str()); + if (!mm->is_open()) { return false; } + + res.set_content_provider( + mm->size(), + detail::find_content_type(path, file_extension_and_mimetype_map_, + default_file_mimetype_), + [mm](size_t offset, size_t length, DataSink &sink) -> bool { + sink.write(mm->data() + offset, length); + return true; + }); + if (!head && file_request_handler_) { file_request_handler_(req, res); } + return true; } } @@ -4479,22 +6110,23 @@ inline bool Server::handle_file_request(Request &req, Response &res, } inline socket_t -Server::create_server_socket(const char *host, int port, int socket_flags, +Server::create_server_socket(const std::string &host, int port, + int socket_flags, SocketOptions socket_options) const { return detail::create_socket( - host, port, socket_flags, tcp_nodelay_, std::move(socket_options), + host, std::string(), port, address_family_, socket_flags, tcp_nodelay_, + std::move(socket_options), [](socket_t sock, struct addrinfo &ai) -> bool { if (::bind(sock, ai.ai_addr, static_cast(ai.ai_addrlen))) { return false; } - if (::listen(sock, 5)) { // Listen through 5 channels - return false; - } + if (::listen(sock, CPPHTTPLIB_LISTEN_BACKLOG)) { return false; } return true; }); } -inline int Server::bind_internal(const char *host, int port, int socket_flags) { +inline int Server::bind_internal(const std::string &host, int port, + int socket_flags) { if (!is_valid()) { return -1; } svr_sock_ = create_server_socket(host, port, socket_flags, socket_options_); @@ -4522,6 +6154,7 @@ inline int Server::bind_internal(const char *host, int port, int socket_flags) { inline bool Server::listen_internal() { auto ret = true; is_running_ = true; + auto se = detail::scope_exit([&]() { is_running_ = false; }); { std::unique_ptr task_queue(new_task_queue()); @@ -4547,6 +6180,8 @@ inline bool Server::listen_internal() { // Try to accept new connections after a short sleep. std::this_thread::sleep_for(std::chrono::milliseconds(1)); continue; + } else if (errno == EINTR || errno == EAGAIN) { + continue; } if (svr_sock_ != INVALID_SOCKET) { detail::close_socket(svr_sock_); @@ -4557,23 +6192,53 @@ inline bool Server::listen_internal() { break; } -#if __cplusplus > 201703L - task_queue->enqueue([=, this]() { process_and_close_socket(sock); }); + { +#ifdef _WIN32 + auto timeout = static_cast(read_timeout_sec_ * 1000 + + read_timeout_usec_ / 1000); + setsockopt(sock, SOL_SOCKET, SO_RCVTIMEO, + reinterpret_cast(&timeout), sizeof(timeout)); #else - task_queue->enqueue([=]() { process_and_close_socket(sock); }); + timeval tv; + tv.tv_sec = static_cast(read_timeout_sec_); + tv.tv_usec = static_cast(read_timeout_usec_); + setsockopt(sock, SOL_SOCKET, SO_RCVTIMEO, + reinterpret_cast(&tv), sizeof(tv)); #endif + } + { + +#ifdef _WIN32 + auto timeout = static_cast(write_timeout_sec_ * 1000 + + write_timeout_usec_ / 1000); + setsockopt(sock, SOL_SOCKET, SO_SNDTIMEO, + reinterpret_cast(&timeout), sizeof(timeout)); +#else + timeval tv; + tv.tv_sec = static_cast(write_timeout_sec_); + tv.tv_usec = static_cast(write_timeout_usec_); + setsockopt(sock, SOL_SOCKET, SO_SNDTIMEO, + reinterpret_cast(&tv), sizeof(tv)); +#endif + } + + task_queue->enqueue([this, sock]() { process_and_close_socket(sock); }); } task_queue->shutdown(); } - is_running_ = false; return ret; } inline bool Server::routing(Request &req, Response &res, Stream &strm) { + if (pre_routing_handler_ && + pre_routing_handler_(req, res) == HandlerResponse::Handled) { + return true; + } + // File handler - bool is_head_request = req.method == "HEAD"; + auto is_head_request = req.method == "HEAD"; if ((req.method == "GET" || is_head_request) && handle_file_request(req, res, is_head_request)) { return true; @@ -4645,22 +6310,14 @@ inline bool Server::routing(Request &req, Response &res, Stream &strm) { inline bool Server::dispatch_request(Request &req, Response &res, const Handlers &handlers) { - try { - for (const auto &x : handlers) { - const auto &pattern = x.first; - const auto &handler = x.second; + for (const auto &x : handlers) { + const auto &matcher = x.first; + const auto &handler = x.second; - if (std::regex_match(req.path, req.matches, pattern)) { - handler(req, res); - return true; - } + if (matcher->match(req)) { + handler(req, res); + return true; } - } catch (const std::exception &ex) { - res.status = 500; - res.set_header("EXCEPTION_WHAT", ex.what()); - } catch (...) { - res.status = 500; - res.set_header("EXCEPTION_WHAT", "UNKNOWN"); } return false; } @@ -4677,8 +6334,8 @@ inline void Server::apply_ranges(const Request &req, Response &res, res.headers.erase(it); } - res.headers.emplace("Content-Type", - "multipart/byteranges; boundary=" + boundary); + res.set_header("Content-Type", + "multipart/byteranges; boundary=" + boundary); } auto type = detail::encoding_type(req, res); @@ -4691,10 +6348,10 @@ inline void Server::apply_ranges(const Request &req, Response &res, } else if (req.ranges.size() == 1) { auto offsets = detail::get_range_offset_and_length(req, res.content_length_, 0); - auto offset = offsets.first; length = offsets.second; + auto content_range = detail::make_content_range_header_field( - offset, length, res.content_length_); + req.ranges[0], res.content_length_); res.set_header("Content-Range", content_range); } else { length = detail::get_multipart_ranges_data_length(req, res, boundary, @@ -4717,13 +6374,15 @@ inline void Server::apply_ranges(const Request &req, Response &res, if (req.ranges.empty()) { ; } else if (req.ranges.size() == 1) { + auto content_range = detail::make_content_range_header_field( + req.ranges[0], res.body.size()); + res.set_header("Content-Range", content_range); + auto offsets = detail::get_range_offset_and_length(req, res.body.size(), 0); auto offset = offsets.first; auto length = offsets.second; - auto content_range = detail::make_content_range_header_field( - offset, length, res.body.size()); - res.set_header("Content-Range", content_range); + if (offset < res.body.size()) { res.body = res.body.substr(offset, length); } else { @@ -4779,10 +6438,10 @@ inline bool Server::dispatch_request_for_content_reader( Request &req, Response &res, ContentReader content_reader, const HandlersForContentReader &handlers) { for (const auto &x : handlers) { - const auto &pattern = x.first; + const auto &matcher = x.first; const auto &handler = x.second; - if (std::regex_match(req.path, req.matches, pattern)) { + if (matcher->match(req)) { handler(req, res, content_reader); return true; } @@ -4802,9 +6461,10 @@ Server::process_request(Stream &strm, bool close_connection, if (!line_reader.getline()) { return false; } Request req; - Response res; + Response res; res.version = "HTTP/1.1"; + res.headers = default_headers_; #ifdef _WIN32 // TODO: Increase FD_SETSIZE statically (libzmq), dynamically (MySQL). @@ -4848,6 +6508,10 @@ Server::process_request(Stream &strm, bool close_connection, req.set_header("REMOTE_ADDR", req.remote_addr); req.set_header("REMOTE_PORT", std::to_string(req.remote_port)); + strm.get_local_ip_and_port(req.local_addr, req.local_port); + req.set_header("LOCAL_ADDR", req.local_addr); + req.set_header("LOCAL_PORT", std::to_string(req.local_port)); + if (req.has_header("Range")) { const auto &range_header_value = req.get_header_value("Range"); if (!detail::parse_range_header(range_header_value, req.ranges)) { @@ -4867,14 +6531,50 @@ Server::process_request(Stream &strm, bool close_connection, case 100: case 417: strm.write_format("HTTP/1.1 %d %s\r\n\r\n", status, - detail::status_message(status)); + status_message(status)); break; default: return write_response(strm, close_connection, req, res); } } // Rounting - if (routing(req, res, strm)) { + auto routed = false; +#ifdef CPPHTTPLIB_NO_EXCEPTIONS + routed = routing(req, res, strm); +#else + try { + routed = routing(req, res, strm); + } catch (std::exception &e) { + if (exception_handler_) { + auto ep = std::current_exception(); + exception_handler_(req, res, ep); + routed = true; + } else { + res.status = 500; + std::string val; + auto s = e.what(); + for (size_t i = 0; s[i]; i++) { + switch (s[i]) { + case '\r': val += "\\r"; break; + case '\n': val += "\\n"; break; + default: val += s[i]; break; + } + } + res.set_header("EXCEPTION_WHAT", val); + } + } catch (...) { + if (exception_handler_) { + auto ep = std::current_exception(); + exception_handler_(req, res, ep); + routed = true; + } else { + res.status = 500; + res.set_header("EXCEPTION_WHAT", "UNKNOWN"); + } + } +#endif + + if (routed) { if (res.status == -1) { res.status = req.ranges.empty() ? 200 : 206; } return write_response_with_content(strm, close_connection, req, res); } else { @@ -4887,8 +6587,9 @@ inline bool Server::is_valid() const { return true; } inline bool Server::process_and_close_socket(socket_t sock) { auto ret = detail::process_server_socket( - sock, keep_alive_max_count_, keep_alive_timeout_sec_, read_timeout_sec_, - read_timeout_usec_, write_timeout_sec_, write_timeout_usec_, + svr_sock_, sock, keep_alive_max_count_, keep_alive_timeout_sec_, + read_timeout_sec_, read_timeout_usec_, write_timeout_sec_, + write_timeout_usec_, [this](Stream &strm, bool close_connection, bool &connection_closed) { return process_request(strm, close_connection, connection_closed, nullptr); @@ -4909,12 +6610,15 @@ inline ClientImpl::ClientImpl(const std::string &host, int port) inline ClientImpl::ClientImpl(const std::string &host, int port, const std::string &client_cert_path, const std::string &client_key_path) - // : (Error::Success), host_(host), port_(port), : host_(host), port_(port), - host_and_port_(host_ + ":" + std::to_string(port_)), + host_and_port_(adjust_host_string(host) + ":" + std::to_string(port)), client_cert_path_(client_cert_path), client_key_path_(client_key_path) {} -inline ClientImpl::~ClientImpl() { lock_socket_and_shutdown_and_close(); } +inline ClientImpl::~ClientImpl() { + std::lock_guard guard(socket_mutex_); + shutdown_socket(socket_); + close_socket(socket_); +} inline bool ClientImpl::is_valid() const { return true; } @@ -4935,6 +6639,8 @@ inline void ClientImpl::copy_settings(const ClientImpl &rhs) { #endif keep_alive_ = rhs.keep_alive_; follow_location_ = rhs.follow_location_; + url_encode_ = rhs.url_encode_; + address_family_ = rhs.address_family_; tcp_nodelay_ = rhs.tcp_nodelay_; socket_options_ = rhs.socket_options_; compress_ = rhs.compress_; @@ -4949,6 +6655,11 @@ inline void ClientImpl::copy_settings(const ClientImpl &rhs) { proxy_digest_auth_username_ = rhs.proxy_digest_auth_username_; proxy_digest_auth_password_ = rhs.proxy_digest_auth_password_; #endif +#ifdef CPPHTTPLIB_OPENSSL_SUPPORT + ca_cert_file_path_ = rhs.ca_cert_file_path_; + ca_cert_dir_path_ = rhs.ca_cert_dir_path_; + ca_cert_store_ = rhs.ca_cert_store_; +#endif #ifdef CPPHTTPLIB_OPENSSL_SUPPORT server_certificate_verification_ = rhs.server_certificate_verification_; #endif @@ -4958,12 +6669,22 @@ inline void ClientImpl::copy_settings(const ClientImpl &rhs) { inline socket_t ClientImpl::create_client_socket(Error &error) const { if (!proxy_host_.empty() && proxy_port_ != -1) { return detail::create_client_socket( - proxy_host_.c_str(), proxy_port_, tcp_nodelay_, socket_options_, - connection_timeout_sec_, connection_timeout_usec_, interface_, error); + proxy_host_, std::string(), proxy_port_, address_family_, tcp_nodelay_, + socket_options_, connection_timeout_sec_, connection_timeout_usec_, + read_timeout_sec_, read_timeout_usec_, write_timeout_sec_, + write_timeout_usec_, interface_, error); } + + // Check is custom IP specified for host_ + std::string ip; + auto it = addr_map_.find(host_); + if (it != addr_map_.end()) ip = it->second; + return detail::create_client_socket( - host_.c_str(), port_, tcp_nodelay_, socket_options_, - connection_timeout_sec_, connection_timeout_usec_, interface_, error); + host_, ip, port_, address_family_, tcp_nodelay_, socket_options_, + connection_timeout_sec_, connection_timeout_usec_, read_timeout_sec_, + read_timeout_usec_, write_timeout_sec_, write_timeout_usec_, interface_, + error); } inline bool ClientImpl::create_and_connect_socket(Socket &socket, @@ -5006,22 +6727,19 @@ inline void ClientImpl::close_socket(Socket &socket) { socket.sock = INVALID_SOCKET; } -inline void ClientImpl::lock_socket_and_shutdown_and_close() { - std::lock_guard guard(socket_mutex_); - shutdown_ssl(socket_, true); - shutdown_socket(socket_); - close_socket(socket_); -} - inline bool ClientImpl::read_response_line(Stream &strm, const Request &req, Response &res) { - std::array buf; + std::array buf{}; detail::stream_line_reader line_reader(strm, buf.data(), buf.size()); if (!line_reader.getline()) { return false; } - const static std::regex re("(HTTP/1\\.[01]) (\\d{3}) (.*?)\r\n"); +#ifdef CPPHTTPLIB_ALLOW_LF_AS_LINE_TERMINATOR + const static std::regex re("(HTTP/1\\.[01]) (\\d{3})(?: (.*?))?\r?\n"); +#else + const static std::regex re("(HTTP/1\\.[01]) (\\d{3})(?: (.*?))?\r\n"); +#endif std::cmatch m; if (!std::regex_match(line_reader.ptr(), m, re)) { @@ -5045,18 +6763,27 @@ inline bool ClientImpl::read_response_line(Stream &strm, const Request &req, return true; } -inline bool ClientImpl::send(const Request &req, Response &res, Error &error) { +inline bool ClientImpl::send(Request &req, Response &res, Error &error) { std::lock_guard request_mutex_guard(request_mutex_); + auto ret = send_(req, res, error); + if (error == Error::SSLPeerCouldBeClosed_) { + assert(!ret); + ret = send_(req, res, error); + } + return ret; +} +inline bool ClientImpl::send_(Request &req, Response &res, Error &error) { { std::lock_guard guard(socket_mutex_); + // Set this to false immediately - if it ever gets set to true by the end of // the request, we know another thread instructed us to close the socket. socket_should_be_closed_when_request_is_done_ = false; auto is_alive = false; if (socket_.is_open()) { - is_alive = detail::select_write(socket_.sock, 0, 0) > 0; + is_alive = detail::is_socket_alive(socket_.sock); if (!is_alive) { // Attempt to avoid sigpipe by shutting down nongracefully if it seems // like the other side has already closed the connection Also, there @@ -5077,7 +6804,7 @@ inline bool ClientImpl::send(const Request &req, Response &res, Error &error) { if (is_ssl()) { auto &scli = static_cast(*this); if (!proxy_host_.empty() && proxy_port_ != -1) { - bool success = false; + auto success = false; if (!scli.connect_with_proxy(socket_, res, success, error)) { return success; } @@ -5098,13 +6825,17 @@ inline bool ClientImpl::send(const Request &req, Response &res, Error &error) { socket_requests_are_from_thread_ = std::this_thread::get_id(); } - auto close_connection = !keep_alive_; - auto ret = process_socket(socket_, [&](Stream &strm) { - return handle_request(strm, req, res, close_connection, error); - }); + for (const auto &header : default_headers_) { + if (req.headers.find(header.first) == req.headers.end()) { + req.headers.insert(header); + } + } - // Briefly lock mutex in order to mark that a request is no longer ongoing - { + auto ret = false; + auto close_connection = !keep_alive_; + + auto se = detail::scope_exit([&]() { + // Briefly lock mutex in order to mark that a request is no longer ongoing std::lock_guard guard(socket_mutex_); socket_requests_in_flight_ -= 1; if (socket_requests_in_flight_ <= 0) { @@ -5118,7 +6849,11 @@ inline bool ClientImpl::send(const Request &req, Response &res, Error &error) { shutdown_socket(socket_); close_socket(socket_); } - } + }); + + ret = process_socket(socket_, [&](Stream &strm) { + return handle_request(strm, req, res, close_connection, error); + }); if (!ret) { if (error == Error::Success) { error = Error::Unknown; } @@ -5128,13 +6863,18 @@ inline bool ClientImpl::send(const Request &req, Response &res, Error &error) { } inline Result ClientImpl::send(const Request &req) { + auto req2 = req; + return send_(std::move(req2)); +} + +inline Result ClientImpl::send_(Request &&req) { auto res = detail::make_unique(); auto error = Error::Success; auto ret = send(req, *res, error); - return Result{ret ? std::move(res) : nullptr, error}; + return Result{ret ? std::move(res) : nullptr, error, std::move(req.headers)}; } -inline bool ClientImpl::handle_request(Stream &strm, const Request &req, +inline bool ClientImpl::handle_request(Stream &strm, Request &req, Response &res, bool close_connection, Error &error) { if (req.path.empty()) { @@ -5142,19 +6882,39 @@ inline bool ClientImpl::handle_request(Stream &strm, const Request &req, return false; } + auto req_save = req; + bool ret; if (!is_ssl() && !proxy_host_.empty() && proxy_port_ != -1) { auto req2 = req; req2.path = "http://" + host_and_port_ + req.path; ret = process_request(strm, req2, res, close_connection, error); + req = req2; + req.path = req_save.path; } else { ret = process_request(strm, req, res, close_connection, error); } if (!ret) { return false; } + if (res.get_header_value("Connection") == "close" || + (res.version == "HTTP/1.0" && res.reason != "Connection established")) { + // TODO this requires a not-entirely-obvious chain of calls to be correct + // for this to be safe. + + // This is safe to call because handle_request is only called by send_ + // which locks the request mutex during the process. It would be a bug + // to call it from a different thread since it's a thread-safety issue + // to do these things to the socket if another thread is using the socket. + std::lock_guard guard(socket_mutex_); + shutdown_ssl(socket_, true); + shutdown_socket(socket_); + close_socket(socket_); + } + if (300 < res.status && res.status < 400 && follow_location_) { + req = req_save; ret = redirect(req, res, error); } @@ -5172,8 +6932,8 @@ inline bool ClientImpl::handle_request(Stream &strm, const Request &req, if (detail::parse_www_authenticate(res, auth, is_proxy)) { Request new_req = req; new_req.authorization_count_ += 1; - auto key = is_proxy ? "Proxy-Authorization" : "Authorization"; - new_req.headers.erase(key); + new_req.headers.erase(is_proxy ? "Proxy-Authorization" + : "Authorization"); new_req.headers.insert(detail::make_digest_authentication_header( req, auth, new_req.authorization_count_, detail::random_string(10), username, password, is_proxy)); @@ -5190,18 +6950,17 @@ inline bool ClientImpl::handle_request(Stream &strm, const Request &req, return ret; } -inline bool ClientImpl::redirect(const Request &req, Response &res, - Error &error) { +inline bool ClientImpl::redirect(Request &req, Response &res, Error &error) { if (req.redirect_count_ == 0) { error = Error::ExceedRedirectCount; return false; } - auto location = detail::decode_url(res.get_header_value("location"), true); + auto location = res.get_header_value("location"); if (location.empty()) { return false; } const static std::regex re( - R"(^(?:(https?):)?(?://([^:/?#]*)(?::(\d+))?)?([^?#]*(?:\?[^#]*)?)(?:#.*)?)"); + R"((?:(https?):)?(?://(?:\[([\d:]+)\]|([^:/?#]+))(?::(\d+))?)?([^?#]*)(\?[^#]*)?(?:#.*)?)"); std::smatch m; if (!std::regex_match(location, m, re)) { return false; } @@ -5210,8 +6969,10 @@ inline bool ClientImpl::redirect(const Request &req, Response &res, auto next_scheme = m[1].str(); auto next_host = m[2].str(); - auto port_str = m[3].str(); - auto next_path = m[4].str(); + if (next_host.empty()) { next_host = m[3].str(); } + auto port_str = m[4].str(); + auto next_path = m[5].str(); + auto next_query = m[6].str(); auto next_port = port_; if (!port_str.empty()) { @@ -5224,21 +6985,24 @@ inline bool ClientImpl::redirect(const Request &req, Response &res, if (next_host.empty()) { next_host = host_; } if (next_path.empty()) { next_path = "/"; } + auto path = detail::decode_url(next_path, true) + next_query; + if (next_scheme == scheme && next_host == host_ && next_port == port_) { - return detail::redirect(*this, req, res, next_path, location, error); + return detail::redirect(*this, req, res, path, location, error); } else { if (next_scheme == "https") { #ifdef CPPHTTPLIB_OPENSSL_SUPPORT SSLClient cli(next_host.c_str(), next_port); cli.copy_settings(*this); - return detail::redirect(cli, req, res, next_path, location, error); + if (ca_cert_store_) { cli.set_ca_cert_store(ca_cert_store_); } + return detail::redirect(cli, req, res, path, location, error); #else return false; #endif } else { ClientImpl cli(next_host.c_str(), next_port); cli.copy_settings(*this); - return detail::redirect(cli, req, res, next_path, location, error); + return detail::redirect(cli, req, res, path, location, error); } } } @@ -5249,7 +7013,7 @@ inline bool ClientImpl::write_content_with_provider(Stream &strm, auto is_shutting_down = []() { return false; }; if (req.is_chunked_content_provider_) { - // TODO: Brotli suport + // TODO: Brotli support std::unique_ptr compressor; #ifdef CPPHTTPLIB_ZLIB_SUPPORT if (compress_) { @@ -5266,123 +7030,135 @@ inline bool ClientImpl::write_content_with_provider(Stream &strm, return detail::write_content(strm, req.content_provider_, 0, req.content_length_, is_shutting_down, error); } -} // namespace httplib +} -inline bool ClientImpl::write_request(Stream &strm, const Request &req, +inline bool ClientImpl::write_request(Stream &strm, Request &req, bool close_connection, Error &error) { - detail::BufferStream bstrm; - - // Request line - const auto &path = detail::encode_url(req.path); - - bstrm.write_format("%s %s HTTP/1.1\r\n", req.method.c_str(), path.c_str()); - - // Additonal headers - Headers headers; - if (close_connection) { headers.emplace("Connection", "close"); } + // Prepare additional headers + if (close_connection) { + if (!req.has_header("Connection")) { + req.set_header("Connection", "close"); + } + } if (!req.has_header("Host")) { if (is_ssl()) { if (port_ == 443) { - headers.emplace("Host", host_); + req.set_header("Host", host_); } else { - headers.emplace("Host", host_and_port_); + req.set_header("Host", host_and_port_); } } else { if (port_ == 80) { - headers.emplace("Host", host_); + req.set_header("Host", host_); } else { - headers.emplace("Host", host_and_port_); + req.set_header("Host", host_and_port_); } } } - if (!req.has_header("Accept")) { headers.emplace("Accept", "*/*"); } + if (!req.has_header("Accept")) { req.set_header("Accept", "*/*"); } +#ifndef CPPHTTPLIB_NO_DEFAULT_USER_AGENT if (!req.has_header("User-Agent")) { - headers.emplace("User-Agent", "cpp-httplib/0.7"); + auto agent = std::string("cpp-httplib/") + CPPHTTPLIB_VERSION; + req.set_header("User-Agent", agent); } +#endif if (req.body.empty()) { if (req.content_provider_) { if (!req.is_chunked_content_provider_) { - auto length = std::to_string(req.content_length_); - headers.emplace("Content-Length", length); + if (!req.has_header("Content-Length")) { + auto length = std::to_string(req.content_length_); + req.set_header("Content-Length", length); + } } } else { if (req.method == "POST" || req.method == "PUT" || req.method == "PATCH") { - headers.emplace("Content-Length", "0"); + req.set_header("Content-Length", "0"); } } } else { if (!req.has_header("Content-Type")) { - headers.emplace("Content-Type", "text/plain"); + req.set_header("Content-Type", "text/plain"); } if (!req.has_header("Content-Length")) { auto length = std::to_string(req.body.size()); - headers.emplace("Content-Length", length); + req.set_header("Content-Length", length); } } - if (!basic_auth_password_.empty()) { - headers.insert(make_basic_authentication_header( - basic_auth_username_, basic_auth_password_, false)); + if (!basic_auth_password_.empty() || !basic_auth_username_.empty()) { + if (!req.has_header("Authorization")) { + req.headers.insert(make_basic_authentication_header( + basic_auth_username_, basic_auth_password_, false)); + } } if (!proxy_basic_auth_username_.empty() && !proxy_basic_auth_password_.empty()) { - headers.insert(make_basic_authentication_header( - proxy_basic_auth_username_, proxy_basic_auth_password_, true)); + if (!req.has_header("Proxy-Authorization")) { + req.headers.insert(make_basic_authentication_header( + proxy_basic_auth_username_, proxy_basic_auth_password_, true)); + } } if (!bearer_token_auth_token_.empty()) { - headers.insert(make_bearer_token_authentication_header( - bearer_token_auth_token_, false)); + if (!req.has_header("Authorization")) { + req.headers.insert(make_bearer_token_authentication_header( + bearer_token_auth_token_, false)); + } } if (!proxy_bearer_token_auth_token_.empty()) { - headers.insert(make_bearer_token_authentication_header( - proxy_bearer_token_auth_token_, true)); + if (!req.has_header("Proxy-Authorization")) { + req.headers.insert(make_bearer_token_authentication_header( + proxy_bearer_token_auth_token_, true)); + } } - detail::write_headers(bstrm, req, headers); + // Request line and headers + { + detail::BufferStream bstrm; - // Flush buffer - auto &data = bstrm.get_buffer(); - if (!detail::write_data(strm, data.data(), data.size())) { - error = Error::Write; - return false; + const auto &path = url_encode_ ? detail::encode_url(req.path) : req.path; + bstrm.write_format("%s %s HTTP/1.1\r\n", req.method.c_str(), path.c_str()); + + header_writer_(bstrm, req.headers); + + // Flush buffer + auto &data = bstrm.get_buffer(); + if (!detail::write_data(strm, data.data(), data.size())) { + error = Error::Write; + return false; + } } // Body if (req.body.empty()) { return write_content_with_provider(strm, req, error); - } else { - return detail::write_data(strm, req.body.data(), req.body.size()); + } + + if (!detail::write_data(strm, req.body.data(), req.body.size())) { + error = Error::Write; + return false; } return true; } inline std::unique_ptr ClientImpl::send_with_content_provider( - const char *method, const char *path, const Headers &headers, - const std::string &body, size_t content_length, + Request &req, const char *body, size_t content_length, ContentProvider content_provider, ContentProviderWithoutLength content_provider_without_length, - const char *content_type, Error &error) { - - Request req; - req.method = method; - req.headers = default_headers_; - req.headers.insert(headers.begin(), headers.end()); - req.path = path; - - if (content_type) { req.headers.emplace("Content-Type", content_type); } + const std::string &content_type, Error &error) { + if (!content_type.empty()) { req.set_header("Content-Type", content_type); } #ifdef CPPHTTPLIB_ZLIB_SUPPORT - if (compress_) { req.headers.emplace("Content-Encoding", "gzip"); } + if (compress_) { req.set_header("Content-Encoding", "gzip"); } #endif #ifdef CPPHTTPLIB_ZLIB_SUPPORT @@ -5395,13 +7171,14 @@ inline std::unique_ptr ClientImpl::send_with_content_provider( size_t offset = 0; DataSink data_sink; - data_sink.write = [&](const char *data, size_t data_len) { + data_sink.write = [&](const char *data, size_t data_len) -> bool { if (ok) { auto last = offset + data_len == content_length; auto ret = compressor.compress( - data, data_len, last, [&](const char *data, size_t data_len) { - req.body.append(data, data_len); + data, data_len, last, + [&](const char *compressed_data, size_t compressed_data_len) { + req.body.append(compressed_data, compressed_data_len); return true; }); @@ -5411,10 +7188,9 @@ inline std::unique_ptr ClientImpl::send_with_content_provider( ok = false; } } + return ok; }; - data_sink.is_writable = [&](void) { return ok && true; }; - while (ok && offset < content_length) { if (!content_provider(offset, content_length - offset, data_sink)) { error = Error::Canceled; @@ -5422,7 +7198,7 @@ inline std::unique_ptr ClientImpl::send_with_content_provider( } } } else { - if (!compressor.compress(body.data(), body.size(), true, + if (!compressor.compress(body, content_length, true, [&](const char *data, size_t data_len) { req.body.append(data, data_len); return true; @@ -5443,9 +7219,9 @@ inline std::unique_ptr ClientImpl::send_with_content_provider( req.content_provider_ = detail::ContentProviderAdapter( std::move(content_provider_without_length)); req.is_chunked_content_provider_ = true; - req.headers.emplace("Transfer-Encoding", "chunked"); + req.set_header("Transfer-Encoding", "chunked"); } else { - req.body = body; + req.body.assign(body, content_length); } } @@ -5454,24 +7230,50 @@ inline std::unique_ptr ClientImpl::send_with_content_provider( } inline Result ClientImpl::send_with_content_provider( - const char *method, const char *path, const Headers &headers, - const std::string &body, size_t content_length, - ContentProvider content_provider, + const std::string &method, const std::string &path, const Headers &headers, + const char *body, size_t content_length, ContentProvider content_provider, ContentProviderWithoutLength content_provider_without_length, - const char *content_type) { + const std::string &content_type) { + Request req; + req.method = method; + req.headers = headers; + req.path = path; + auto error = Error::Success; + auto res = send_with_content_provider( - method, path, headers, body, content_length, std::move(content_provider), + req, body, content_length, std::move(content_provider), std::move(content_provider_without_length), content_type, error); - return Result{std::move(res), error}; + + return Result{std::move(res), error, std::move(req.headers)}; } -inline bool ClientImpl::process_request(Stream &strm, const Request &req, +inline std::string +ClientImpl::adjust_host_string(const std::string &host) const { + if (host.find(':') != std::string::npos) { return "[" + host + "]"; } + return host; +} + +inline bool ClientImpl::process_request(Stream &strm, Request &req, Response &res, bool close_connection, Error &error) { // Send request if (!write_request(strm, req, close_connection, error)) { return false; } +#ifdef CPPHTTPLIB_OPENSSL_SUPPORT + if (is_ssl()) { + auto is_proxy_enabled = !proxy_host_.empty() && proxy_port_ != -1; + if (!is_proxy_enabled) { + char buf[1]; + if (SSL_peek(socket_.ssl, buf, 1) == 0 && + SSL_get_error(socket_.ssl, 0) == SSL_ERROR_ZERO_RETURN) { + error = Error::SSLPeerCouldBeClosed_; + return false; + } + } + } +#endif + // Receive response and headers if (!read_response_line(strm, req, res) || !detail::read_headers(strm, res.headers)) { @@ -5479,20 +7281,23 @@ inline bool ClientImpl::process_request(Stream &strm, const Request &req, return false; } - if (req.response_handler_) { - if (!req.response_handler_(res)) { - error = Error::Canceled; - return false; - } - } - // Body - if (req.method != "HEAD" && req.method != "CONNECT") { + if ((res.status != 204) && req.method != "HEAD" && req.method != "CONNECT") { + auto redirect = 300 < res.status && res.status < 400 && follow_location_; + + if (req.response_handler && !redirect) { + if (!req.response_handler(res)) { + error = Error::Canceled; + return false; + } + } + auto out = - req.content_receiver_ + req.content_receiver ? static_cast( [&](const char *buf, size_t n, uint64_t off, uint64_t len) { - auto ret = req.content_receiver_(buf, n, off, len); + if (redirect) { return true; } + auto ret = req.content_receiver(buf, n, off, len); if (!ret) { error = Error::Canceled; } return ret; }) @@ -5507,8 +7312,8 @@ inline bool ClientImpl::process_request(Stream &strm, const Request &req, }); auto progress = [&](uint64_t current, uint64_t total) { - if (!req.progress_) { return true; } - auto ret = req.progress_(current, total); + if (!req.progress || redirect) { return true; } + auto ret = req.progress(current, total); if (!ret) { error = Error::Canceled; } return ret; }; @@ -5522,27 +7327,54 @@ inline bool ClientImpl::process_request(Stream &strm, const Request &req, } } - if (res.get_header_value("Connection") == "close" || - (res.version == "HTTP/1.0" && res.reason != "Connection established")) { - // TODO this requires a not-entirely-obvious chain of calls to be correct - // for this to be safe. Maybe a code refactor (such as moving this out to - // the send function and getting rid of the recursiveness of the mutex) - // could make this more obvious. - - // This is safe to call because process_request is only called by - // handle_request which is only called by send, which locks the request - // mutex during the process. It would be a bug to call it from a different - // thread since it's a thread-safety issue to do these things to the socket - // if another thread is using the socket. - lock_socket_and_shutdown_and_close(); - } - // Log if (logger_) { logger_(req, res); } return true; } +inline ContentProviderWithoutLength ClientImpl::get_multipart_content_provider( + const std::string &boundary, const MultipartFormDataItems &items, + const MultipartFormDataProviderItems &provider_items) { + size_t cur_item = 0, cur_start = 0; + // cur_item and cur_start are copied to within the std::function and maintain + // state between successive calls + return [&, cur_item, cur_start](size_t offset, + DataSink &sink) mutable -> bool { + if (!offset && items.size()) { + sink.os << detail::serialize_multipart_formdata(items, boundary, false); + return true; + } else if (cur_item < provider_items.size()) { + if (!cur_start) { + const auto &begin = detail::serialize_multipart_formdata_item_begin( + provider_items[cur_item], boundary); + offset += begin.size(); + cur_start = offset; + sink.os << begin; + } + + DataSink cur_sink; + auto has_data = true; + cur_sink.write = sink.write; + cur_sink.done = [&]() { has_data = false; }; + + if (!provider_items[cur_item].provider(offset - cur_start, cur_sink)) + return false; + + if (!has_data) { + sink.os << detail::serialize_multipart_formdata_item_end(); + cur_item++; + cur_start = 0; + } + return true; + } else { + sink.os << detail::serialize_multipart_formdata_finish(boundary); + sink.done(); + return true; + } + }; +} + inline bool ClientImpl::process_socket(const Socket &socket, std::function callback) { @@ -5553,69 +7385,68 @@ ClientImpl::process_socket(const Socket &socket, inline bool ClientImpl::is_ssl() const { return false; } -inline Result ClientImpl::Get(const char *path) { +inline Result ClientImpl::Get(const std::string &path) { return Get(path, Headers(), Progress()); } -inline Result ClientImpl::Get(const char *path, Progress progress) { +inline Result ClientImpl::Get(const std::string &path, Progress progress) { return Get(path, Headers(), std::move(progress)); } -inline Result ClientImpl::Get(const char *path, const Headers &headers) { +inline Result ClientImpl::Get(const std::string &path, const Headers &headers) { return Get(path, headers, Progress()); } -inline Result ClientImpl::Get(const char *path, const Headers &headers, +inline Result ClientImpl::Get(const std::string &path, const Headers &headers, Progress progress) { Request req; req.method = "GET"; req.path = path; - req.headers = default_headers_; - req.headers.insert(headers.begin(), headers.end()); - req.progress_ = std::move(progress); + req.headers = headers; + req.progress = std::move(progress); - return send(req); + return send_(std::move(req)); } -inline Result ClientImpl::Get(const char *path, +inline Result ClientImpl::Get(const std::string &path, ContentReceiver content_receiver) { return Get(path, Headers(), nullptr, std::move(content_receiver), nullptr); } -inline Result ClientImpl::Get(const char *path, +inline Result ClientImpl::Get(const std::string &path, ContentReceiver content_receiver, Progress progress) { return Get(path, Headers(), nullptr, std::move(content_receiver), std::move(progress)); } -inline Result ClientImpl::Get(const char *path, const Headers &headers, +inline Result ClientImpl::Get(const std::string &path, const Headers &headers, ContentReceiver content_receiver) { return Get(path, headers, nullptr, std::move(content_receiver), nullptr); } -inline Result ClientImpl::Get(const char *path, const Headers &headers, +inline Result ClientImpl::Get(const std::string &path, const Headers &headers, ContentReceiver content_receiver, Progress progress) { return Get(path, headers, nullptr, std::move(content_receiver), std::move(progress)); } -inline Result ClientImpl::Get(const char *path, +inline Result ClientImpl::Get(const std::string &path, ResponseHandler response_handler, ContentReceiver content_receiver) { return Get(path, Headers(), std::move(response_handler), std::move(content_receiver), nullptr); } -inline Result ClientImpl::Get(const char *path, const Headers &headers, +inline Result ClientImpl::Get(const std::string &path, const Headers &headers, ResponseHandler response_handler, ContentReceiver content_receiver) { return Get(path, headers, std::move(response_handler), std::move(content_receiver), nullptr); } -inline Result ClientImpl::Get(const char *path, +inline Result ClientImpl::Get(const std::string &path, ResponseHandler response_handler, ContentReceiver content_receiver, Progress progress) { @@ -5623,280 +7454,406 @@ inline Result ClientImpl::Get(const char *path, std::move(content_receiver), std::move(progress)); } -inline Result ClientImpl::Get(const char *path, const Headers &headers, +inline Result ClientImpl::Get(const std::string &path, const Headers &headers, ResponseHandler response_handler, ContentReceiver content_receiver, Progress progress) { Request req; req.method = "GET"; req.path = path; - req.headers = default_headers_; - req.headers.insert(headers.begin(), headers.end()); - req.response_handler_ = std::move(response_handler); - req.content_receiver_ = + req.headers = headers; + req.response_handler = std::move(response_handler); + req.content_receiver = [content_receiver](const char *data, size_t data_length, uint64_t /*offset*/, uint64_t /*total_length*/) { return content_receiver(data, data_length); }; - req.progress_ = std::move(progress); + req.progress = std::move(progress); - return send(req); + return send_(std::move(req)); } -inline Result ClientImpl::Head(const char *path) { +inline Result ClientImpl::Get(const std::string &path, const Params ¶ms, + const Headers &headers, Progress progress) { + if (params.empty()) { return Get(path, headers); } + + std::string path_with_query = append_query_params(path, params); + return Get(path_with_query.c_str(), headers, progress); +} + +inline Result ClientImpl::Get(const std::string &path, const Params ¶ms, + const Headers &headers, + ContentReceiver content_receiver, + Progress progress) { + return Get(path, params, headers, nullptr, content_receiver, progress); +} + +inline Result ClientImpl::Get(const std::string &path, const Params ¶ms, + const Headers &headers, + ResponseHandler response_handler, + ContentReceiver content_receiver, + Progress progress) { + if (params.empty()) { + return Get(path, headers, response_handler, content_receiver, progress); + } + + std::string path_with_query = append_query_params(path, params); + return Get(path_with_query.c_str(), headers, response_handler, + content_receiver, progress); +} + +inline Result ClientImpl::Head(const std::string &path) { return Head(path, Headers()); } -inline Result ClientImpl::Head(const char *path, const Headers &headers) { +inline Result ClientImpl::Head(const std::string &path, + const Headers &headers) { Request req; req.method = "HEAD"; - req.headers = default_headers_; - req.headers.insert(headers.begin(), headers.end()); + req.headers = headers; req.path = path; - return send(req); + return send_(std::move(req)); } -inline Result ClientImpl::Post(const char *path) { - return Post(path, std::string(), nullptr); +inline Result ClientImpl::Post(const std::string &path) { + return Post(path, std::string(), std::string()); } -inline Result ClientImpl::Post(const char *path, const std::string &body, - const char *content_type) { +inline Result ClientImpl::Post(const std::string &path, + const Headers &headers) { + return Post(path, headers, nullptr, 0, std::string()); +} + +inline Result ClientImpl::Post(const std::string &path, const char *body, + size_t content_length, + const std::string &content_type) { + return Post(path, Headers(), body, content_length, content_type); +} + +inline Result ClientImpl::Post(const std::string &path, const Headers &headers, + const char *body, size_t content_length, + const std::string &content_type) { + return send_with_content_provider("POST", path, headers, body, content_length, + nullptr, nullptr, content_type); +} + +inline Result ClientImpl::Post(const std::string &path, const std::string &body, + const std::string &content_type) { return Post(path, Headers(), body, content_type); } -inline Result ClientImpl::Post(const char *path, const Headers &headers, +inline Result ClientImpl::Post(const std::string &path, const Headers &headers, const std::string &body, - const char *content_type) { - return send_with_content_provider("POST", path, headers, body, 0, nullptr, - nullptr, content_type); + const std::string &content_type) { + return send_with_content_provider("POST", path, headers, body.data(), + body.size(), nullptr, nullptr, + content_type); } -inline Result ClientImpl::Post(const char *path, const Params ¶ms) { +inline Result ClientImpl::Post(const std::string &path, const Params ¶ms) { return Post(path, Headers(), params); } -inline Result ClientImpl::Post(const char *path, size_t content_length, +inline Result ClientImpl::Post(const std::string &path, size_t content_length, ContentProvider content_provider, - const char *content_type) { + const std::string &content_type) { return Post(path, Headers(), content_length, std::move(content_provider), content_type); } -inline Result ClientImpl::Post(const char *path, +inline Result ClientImpl::Post(const std::string &path, ContentProviderWithoutLength content_provider, - const char *content_type) { + const std::string &content_type) { return Post(path, Headers(), std::move(content_provider), content_type); } -inline Result ClientImpl::Post(const char *path, const Headers &headers, +inline Result ClientImpl::Post(const std::string &path, const Headers &headers, size_t content_length, ContentProvider content_provider, - const char *content_type) { - return send_with_content_provider("POST", path, headers, std::string(), + const std::string &content_type) { + return send_with_content_provider("POST", path, headers, nullptr, content_length, std::move(content_provider), nullptr, content_type); } -inline Result ClientImpl::Post(const char *path, const Headers &headers, +inline Result ClientImpl::Post(const std::string &path, const Headers &headers, ContentProviderWithoutLength content_provider, - const char *content_type) { - return send_with_content_provider("POST", path, headers, std::string(), 0, - nullptr, std::move(content_provider), - content_type); + const std::string &content_type) { + return send_with_content_provider("POST", path, headers, nullptr, 0, nullptr, + std::move(content_provider), content_type); } -inline Result ClientImpl::Post(const char *path, const Headers &headers, +inline Result ClientImpl::Post(const std::string &path, const Headers &headers, const Params ¶ms) { auto query = detail::params_to_query_str(params); return Post(path, headers, query, "application/x-www-form-urlencoded"); } -inline Result ClientImpl::Post(const char *path, +inline Result ClientImpl::Post(const std::string &path, const MultipartFormDataItems &items) { return Post(path, Headers(), items); } -inline Result ClientImpl::Post(const char *path, const Headers &headers, +inline Result ClientImpl::Post(const std::string &path, const Headers &headers, const MultipartFormDataItems &items) { - return Post(path, headers, items, detail::make_multipart_data_boundary()); -} -inline Result ClientImpl::Post(const char *path, const Headers &headers, - const MultipartFormDataItems &items, - const std::string &boundary) { - for (size_t i = 0; i < boundary.size(); i++) { - char c = boundary[i]; - if (!std::isalnum(c) && c != '-' && c != '_') { - return Result{nullptr, Error::UnsupportedMultipartBoundaryChars}; - } - } - - std::string body; - - for (const auto &item : items) { - body += "--" + boundary + "\r\n"; - body += "Content-Disposition: form-data; name=\"" + item.name + "\""; - if (!item.filename.empty()) { - body += "; filename=\"" + item.filename + "\""; - } - body += "\r\n"; - if (!item.content_type.empty()) { - body += "Content-Type: " + item.content_type + "\r\n"; - } - body += "\r\n"; - body += item.content + "\r\n"; - } - - body += "--" + boundary + "--\r\n"; - - std::string content_type = "multipart/form-data; boundary=" + boundary; + const auto &boundary = detail::make_multipart_data_boundary(); + const auto &content_type = + detail::serialize_multipart_formdata_get_content_type(boundary); + const auto &body = detail::serialize_multipart_formdata(items, boundary); return Post(path, headers, body, content_type.c_str()); } -inline Result ClientImpl::Put(const char *path) { - return Put(path, std::string(), nullptr); +inline Result ClientImpl::Post(const std::string &path, const Headers &headers, + const MultipartFormDataItems &items, + const std::string &boundary) { + if (!detail::is_multipart_boundary_chars_valid(boundary)) { + return Result{nullptr, Error::UnsupportedMultipartBoundaryChars}; + } + + const auto &content_type = + detail::serialize_multipart_formdata_get_content_type(boundary); + const auto &body = detail::serialize_multipart_formdata(items, boundary); + return Post(path, headers, body, content_type.c_str()); } -inline Result ClientImpl::Put(const char *path, const std::string &body, - const char *content_type) { +inline Result +ClientImpl::Post(const std::string &path, const Headers &headers, + const MultipartFormDataItems &items, + const MultipartFormDataProviderItems &provider_items) { + const auto &boundary = detail::make_multipart_data_boundary(); + const auto &content_type = + detail::serialize_multipart_formdata_get_content_type(boundary); + return send_with_content_provider( + "POST", path, headers, nullptr, 0, nullptr, + get_multipart_content_provider(boundary, items, provider_items), + content_type); +} + +inline Result ClientImpl::Put(const std::string &path) { + return Put(path, std::string(), std::string()); +} + +inline Result ClientImpl::Put(const std::string &path, const char *body, + size_t content_length, + const std::string &content_type) { + return Put(path, Headers(), body, content_length, content_type); +} + +inline Result ClientImpl::Put(const std::string &path, const Headers &headers, + const char *body, size_t content_length, + const std::string &content_type) { + return send_with_content_provider("PUT", path, headers, body, content_length, + nullptr, nullptr, content_type); +} + +inline Result ClientImpl::Put(const std::string &path, const std::string &body, + const std::string &content_type) { return Put(path, Headers(), body, content_type); } -inline Result ClientImpl::Put(const char *path, const Headers &headers, +inline Result ClientImpl::Put(const std::string &path, const Headers &headers, const std::string &body, - const char *content_type) { - return send_with_content_provider("PUT", path, headers, body, 0, nullptr, - nullptr, content_type); + const std::string &content_type) { + return send_with_content_provider("PUT", path, headers, body.data(), + body.size(), nullptr, nullptr, + content_type); } -inline Result ClientImpl::Put(const char *path, size_t content_length, +inline Result ClientImpl::Put(const std::string &path, size_t content_length, ContentProvider content_provider, - const char *content_type) { + const std::string &content_type) { return Put(path, Headers(), content_length, std::move(content_provider), content_type); } -inline Result ClientImpl::Put(const char *path, +inline Result ClientImpl::Put(const std::string &path, ContentProviderWithoutLength content_provider, - const char *content_type) { + const std::string &content_type) { return Put(path, Headers(), std::move(content_provider), content_type); } -inline Result ClientImpl::Put(const char *path, const Headers &headers, +inline Result ClientImpl::Put(const std::string &path, const Headers &headers, size_t content_length, ContentProvider content_provider, - const char *content_type) { - return send_with_content_provider("PUT", path, headers, std::string(), + const std::string &content_type) { + return send_with_content_provider("PUT", path, headers, nullptr, content_length, std::move(content_provider), nullptr, content_type); } -inline Result ClientImpl::Put(const char *path, const Headers &headers, +inline Result ClientImpl::Put(const std::string &path, const Headers &headers, ContentProviderWithoutLength content_provider, - const char *content_type) { - return send_with_content_provider("PUT", path, headers, std::string(), 0, - nullptr, std::move(content_provider), - content_type); + const std::string &content_type) { + return send_with_content_provider("PUT", path, headers, nullptr, 0, nullptr, + std::move(content_provider), content_type); } -inline Result ClientImpl::Put(const char *path, const Params ¶ms) { +inline Result ClientImpl::Put(const std::string &path, const Params ¶ms) { return Put(path, Headers(), params); } -inline Result ClientImpl::Put(const char *path, const Headers &headers, +inline Result ClientImpl::Put(const std::string &path, const Headers &headers, const Params ¶ms) { auto query = detail::params_to_query_str(params); return Put(path, headers, query, "application/x-www-form-urlencoded"); } -inline Result ClientImpl::Patch(const char *path, const std::string &body, - const char *content_type) { +inline Result ClientImpl::Put(const std::string &path, + const MultipartFormDataItems &items) { + return Put(path, Headers(), items); +} + +inline Result ClientImpl::Put(const std::string &path, const Headers &headers, + const MultipartFormDataItems &items) { + const auto &boundary = detail::make_multipart_data_boundary(); + const auto &content_type = + detail::serialize_multipart_formdata_get_content_type(boundary); + const auto &body = detail::serialize_multipart_formdata(items, boundary); + return Put(path, headers, body, content_type); +} + +inline Result ClientImpl::Put(const std::string &path, const Headers &headers, + const MultipartFormDataItems &items, + const std::string &boundary) { + if (!detail::is_multipart_boundary_chars_valid(boundary)) { + return Result{nullptr, Error::UnsupportedMultipartBoundaryChars}; + } + + const auto &content_type = + detail::serialize_multipart_formdata_get_content_type(boundary); + const auto &body = detail::serialize_multipart_formdata(items, boundary); + return Put(path, headers, body, content_type); +} + +inline Result +ClientImpl::Put(const std::string &path, const Headers &headers, + const MultipartFormDataItems &items, + const MultipartFormDataProviderItems &provider_items) { + const auto &boundary = detail::make_multipart_data_boundary(); + const auto &content_type = + detail::serialize_multipart_formdata_get_content_type(boundary); + return send_with_content_provider( + "PUT", path, headers, nullptr, 0, nullptr, + get_multipart_content_provider(boundary, items, provider_items), + content_type); +} +inline Result ClientImpl::Patch(const std::string &path) { + return Patch(path, std::string(), std::string()); +} + +inline Result ClientImpl::Patch(const std::string &path, const char *body, + size_t content_length, + const std::string &content_type) { + return Patch(path, Headers(), body, content_length, content_type); +} + +inline Result ClientImpl::Patch(const std::string &path, const Headers &headers, + const char *body, size_t content_length, + const std::string &content_type) { + return send_with_content_provider("PATCH", path, headers, body, + content_length, nullptr, nullptr, + content_type); +} + +inline Result ClientImpl::Patch(const std::string &path, + const std::string &body, + const std::string &content_type) { return Patch(path, Headers(), body, content_type); } -inline Result ClientImpl::Patch(const char *path, const Headers &headers, +inline Result ClientImpl::Patch(const std::string &path, const Headers &headers, const std::string &body, - const char *content_type) { - return send_with_content_provider("PATCH", path, headers, body, 0, nullptr, - nullptr, content_type); + const std::string &content_type) { + return send_with_content_provider("PATCH", path, headers, body.data(), + body.size(), nullptr, nullptr, + content_type); } -inline Result ClientImpl::Patch(const char *path, size_t content_length, +inline Result ClientImpl::Patch(const std::string &path, size_t content_length, ContentProvider content_provider, - const char *content_type) { + const std::string &content_type) { return Patch(path, Headers(), content_length, std::move(content_provider), content_type); } -inline Result ClientImpl::Patch(const char *path, +inline Result ClientImpl::Patch(const std::string &path, ContentProviderWithoutLength content_provider, - const char *content_type) { + const std::string &content_type) { return Patch(path, Headers(), std::move(content_provider), content_type); } -inline Result ClientImpl::Patch(const char *path, const Headers &headers, +inline Result ClientImpl::Patch(const std::string &path, const Headers &headers, size_t content_length, ContentProvider content_provider, - const char *content_type) { - return send_with_content_provider("PATCH", path, headers, std::string(), + const std::string &content_type) { + return send_with_content_provider("PATCH", path, headers, nullptr, content_length, std::move(content_provider), nullptr, content_type); } -inline Result ClientImpl::Patch(const char *path, const Headers &headers, +inline Result ClientImpl::Patch(const std::string &path, const Headers &headers, ContentProviderWithoutLength content_provider, - const char *content_type) { - return send_with_content_provider("PATCH", path, headers, std::string(), 0, - nullptr, std::move(content_provider), - content_type); + const std::string &content_type) { + return send_with_content_provider("PATCH", path, headers, nullptr, 0, nullptr, + std::move(content_provider), content_type); } -inline Result ClientImpl::Delete(const char *path) { - return Delete(path, Headers(), std::string(), nullptr); +inline Result ClientImpl::Delete(const std::string &path) { + return Delete(path, Headers(), std::string(), std::string()); } -inline Result ClientImpl::Delete(const char *path, const std::string &body, - const char *content_type) { - return Delete(path, Headers(), body, content_type); +inline Result ClientImpl::Delete(const std::string &path, + const Headers &headers) { + return Delete(path, headers, std::string(), std::string()); } -inline Result ClientImpl::Delete(const char *path, const Headers &headers) { - return Delete(path, headers, std::string(), nullptr); +inline Result ClientImpl::Delete(const std::string &path, const char *body, + size_t content_length, + const std::string &content_type) { + return Delete(path, Headers(), body, content_length, content_type); } -inline Result ClientImpl::Delete(const char *path, const Headers &headers, - const std::string &body, - const char *content_type) { +inline Result ClientImpl::Delete(const std::string &path, + const Headers &headers, const char *body, + size_t content_length, + const std::string &content_type) { Request req; req.method = "DELETE"; - req.headers = default_headers_; - req.headers.insert(headers.begin(), headers.end()); + req.headers = headers; req.path = path; - if (content_type) { req.headers.emplace("Content-Type", content_type); } - req.body = body; + if (!content_type.empty()) { req.set_header("Content-Type", content_type); } + req.body.assign(body, content_length); - return send(req); + return send_(std::move(req)); } -inline Result ClientImpl::Options(const char *path) { +inline Result ClientImpl::Delete(const std::string &path, + const std::string &body, + const std::string &content_type) { + return Delete(path, Headers(), body.data(), body.size(), content_type); +} + +inline Result ClientImpl::Delete(const std::string &path, + const Headers &headers, + const std::string &body, + const std::string &content_type) { + return Delete(path, headers, body.data(), body.size(), content_type); +} + +inline Result ClientImpl::Options(const std::string &path) { return Options(path, Headers()); } -inline Result ClientImpl::Options(const char *path, const Headers &headers) { +inline Result ClientImpl::Options(const std::string &path, + const Headers &headers) { Request req; req.method = "OPTIONS"; - req.headers = default_headers_; - req.headers.insert(headers.begin(), headers.end()); + req.headers = headers; req.path = path; - return send(req); -} - -inline size_t ClientImpl::is_socket_open() const { - std::lock_guard guard(socket_mutex_); - return socket_.is_open(); + return send_(std::move(req)); } inline void ClientImpl::stop() { @@ -5916,12 +7873,23 @@ inline void ClientImpl::stop() { return; } - // Otherwise, sitll holding the mutex, we can shut everything down ourselves + // Otherwise, still holding the mutex, we can shut everything down ourselves shutdown_ssl(socket_, true); shutdown_socket(socket_); close_socket(socket_); } +inline std::string ClientImpl::host() const { return host_; } + +inline int ClientImpl::port() const { return port_; } + +inline size_t ClientImpl::is_socket_open() const { + std::lock_guard guard(socket_mutex_); + return socket_.is_open(); +} + +inline socket_t ClientImpl::socket() const { return socket_.sock; } + inline void ClientImpl::set_connection_timeout(time_t sec, time_t usec) { connection_timeout_sec_ = sec; connection_timeout_usec_ = usec; @@ -5937,19 +7905,19 @@ inline void ClientImpl::set_write_timeout(time_t sec, time_t usec) { write_timeout_usec_ = usec; } -inline void ClientImpl::set_basic_auth(const char *username, - const char *password) { +inline void ClientImpl::set_basic_auth(const std::string &username, + const std::string &password) { basic_auth_username_ = username; basic_auth_password_ = password; } -inline void ClientImpl::set_bearer_token_auth(const char *token) { +inline void ClientImpl::set_bearer_token_auth(const std::string &token) { bearer_token_auth_token_ = token; } #ifdef CPPHTTPLIB_OPENSSL_SUPPORT -inline void ClientImpl::set_digest_auth(const char *username, - const char *password) { +inline void ClientImpl::set_digest_auth(const std::string &username, + const std::string &password) { digest_auth_username_ = username; digest_auth_password_ = password; } @@ -5959,10 +7927,26 @@ inline void ClientImpl::set_keep_alive(bool on) { keep_alive_ = on; } inline void ClientImpl::set_follow_location(bool on) { follow_location_ = on; } +inline void ClientImpl::set_url_encode(bool on) { url_encode_ = on; } + +inline void +ClientImpl::set_hostname_addr_map(std::map addr_map) { + addr_map_ = std::move(addr_map); +} + inline void ClientImpl::set_default_headers(Headers headers) { default_headers_ = std::move(headers); } +inline void ClientImpl::set_header_writer( + std::function const &writer) { + header_writer_ = writer; +} + +inline void ClientImpl::set_address_family(int family) { + address_family_ = family; +} + inline void ClientImpl::set_tcp_nodelay(bool on) { tcp_nodelay_ = on; } inline void ClientImpl::set_socket_options(SocketOptions socket_options) { @@ -5973,32 +7957,71 @@ inline void ClientImpl::set_compress(bool on) { compress_ = on; } inline void ClientImpl::set_decompress(bool on) { decompress_ = on; } -inline void ClientImpl::set_interface(const char *intf) { interface_ = intf; } +inline void ClientImpl::set_interface(const std::string &intf) { + interface_ = intf; +} -inline void ClientImpl::set_proxy(const char *host, int port) { +inline void ClientImpl::set_proxy(const std::string &host, int port) { proxy_host_ = host; proxy_port_ = port; } -inline void ClientImpl::set_proxy_basic_auth(const char *username, - const char *password) { +inline void ClientImpl::set_proxy_basic_auth(const std::string &username, + const std::string &password) { proxy_basic_auth_username_ = username; proxy_basic_auth_password_ = password; } -inline void ClientImpl::set_proxy_bearer_token_auth(const char *token) { +inline void ClientImpl::set_proxy_bearer_token_auth(const std::string &token) { proxy_bearer_token_auth_token_ = token; } #ifdef CPPHTTPLIB_OPENSSL_SUPPORT -inline void ClientImpl::set_proxy_digest_auth(const char *username, - const char *password) { +inline void ClientImpl::set_proxy_digest_auth(const std::string &username, + const std::string &password) { proxy_digest_auth_username_ = username; proxy_digest_auth_password_ = password; } -#endif -#ifdef CPPHTTPLIB_OPENSSL_SUPPORT +inline void ClientImpl::set_ca_cert_path(const std::string &ca_cert_file_path, + const std::string &ca_cert_dir_path) { + ca_cert_file_path_ = ca_cert_file_path; + ca_cert_dir_path_ = ca_cert_dir_path; +} + +inline void ClientImpl::set_ca_cert_store(X509_STORE *ca_cert_store) { + if (ca_cert_store && ca_cert_store != ca_cert_store_) { + ca_cert_store_ = ca_cert_store; + } +} + +inline X509_STORE *ClientImpl::create_ca_cert_store(const char *ca_cert, + std::size_t size) { + auto mem = BIO_new_mem_buf(ca_cert, static_cast(size)); + if (!mem) return nullptr; + + auto inf = PEM_X509_INFO_read_bio(mem, nullptr, nullptr, nullptr); + if (!inf) { + BIO_free_all(mem); + return nullptr; + } + + auto cts = X509_STORE_new(); + if (cts) { + for (auto i = 0; i < static_cast(sk_X509_INFO_num(inf)); i++) { + auto itmp = sk_X509_INFO_value(inf, i); + if (!itmp) { continue; } + + if (itmp->x509) { X509_STORE_add_cert(cts, itmp->x509); } + if (itmp->crl) { X509_STORE_add_crl(cts, itmp->crl); } + } + } + + sk_X509_INFO_pop_free(inf, X509_INFO_free); + BIO_free_all(mem); + return cts; +} + inline void ClientImpl::enable_server_certificate_verification(bool enabled) { server_certificate_verification_ = enabled; } @@ -6062,7 +8085,7 @@ bool ssl_connect_or_accept_nonblocking(socket_t sock, SSL *ssl, U ssl_connect_or_accept, time_t timeout_sec, time_t timeout_usec) { - int res = 0; + auto res = 0; while ((res = ssl_connect_or_accept(ssl)) != 1) { auto err = SSL_get_error(ssl, res); switch (err) { @@ -6080,14 +8103,13 @@ bool ssl_connect_or_accept_nonblocking(socket_t sock, SSL *ssl, } template -inline bool -process_server_socket_ssl(SSL *ssl, socket_t sock, size_t keep_alive_max_count, - time_t keep_alive_timeout_sec, - time_t read_timeout_sec, time_t read_timeout_usec, - time_t write_timeout_sec, time_t write_timeout_usec, - T callback) { +inline bool process_server_socket_ssl( + const std::atomic &svr_sock, SSL *ssl, socket_t sock, + size_t keep_alive_max_count, time_t keep_alive_timeout_sec, + time_t read_timeout_sec, time_t read_timeout_usec, time_t write_timeout_sec, + time_t write_timeout_usec, T callback) { return process_server_socket_core( - sock, keep_alive_max_count, keep_alive_timeout_sec, + svr_sock, sock, keep_alive_max_count, keep_alive_timeout_sec, [&](bool close_connection, bool &connection_closed) { SSLSocketStream strm(sock, ssl, read_timeout_sec, read_timeout_usec, write_timeout_sec, write_timeout_usec); @@ -6105,55 +8127,12 @@ process_client_socket_ssl(SSL *ssl, socket_t sock, time_t read_timeout_sec, return callback(strm); } -#if OPENSSL_VERSION_NUMBER < 0x10100000L -static std::shared_ptr> openSSL_locks_; - -class SSLThreadLocks { -public: - SSLThreadLocks() { - openSSL_locks_ = - std::make_shared>(CRYPTO_num_locks()); - CRYPTO_set_locking_callback(locking_callback); - } - - ~SSLThreadLocks() { CRYPTO_set_locking_callback(nullptr); } - -private: - static void locking_callback(int mode, int type, const char * /*file*/, - int /*line*/) { - auto &lk = (*openSSL_locks_)[static_cast(type)]; - if (mode & CRYPTO_LOCK) { - lk.lock(); - } else { - lk.unlock(); - } - } -}; - -#endif - class SSLInit { public: SSLInit() { -#if OPENSSL_VERSION_NUMBER < 0x1010001fL - SSL_load_error_strings(); - SSL_library_init(); -#else OPENSSL_init_ssl( OPENSSL_INIT_LOAD_SSL_STRINGS | OPENSSL_INIT_LOAD_CRYPTO_STRINGS, NULL); -#endif } - - ~SSLInit() { -#if OPENSSL_VERSION_NUMBER < 0x1010001fL - ERR_free_strings(); -#endif - } - -private: -#if OPENSSL_VERSION_NUMBER < 0x10100000L - SSLThreadLocks thread_init_; -#endif }; // SSL socket stream implementation @@ -6176,8 +8155,8 @@ inline bool SSLSocketStream::is_readable() const { } inline bool SSLSocketStream::is_writable() const { - return detail::select_write(sock_, write_timeout_sec_, write_timeout_usec_) > - 0; + return select_write(sock_, write_timeout_sec_, write_timeout_usec_) > 0 && + is_socket_alive(sock_); } inline ssize_t SSLSocketStream::read(char *ptr, size_t size) { @@ -6187,10 +8166,18 @@ inline ssize_t SSLSocketStream::read(char *ptr, size_t size) { auto ret = SSL_read(ssl_, ptr, static_cast(size)); if (ret < 0) { auto err = SSL_get_error(ssl_, ret); - while (err == SSL_ERROR_WANT_READ) { + auto n = 1000; +#ifdef _WIN32 + while (--n >= 0 && (err == SSL_ERROR_WANT_READ || + (err == SSL_ERROR_SYSCALL && + WSAGetLastError() == WSAETIMEDOUT))) { +#else + while (--n >= 0 && err == SSL_ERROR_WANT_READ) { +#endif if (SSL_pending(ssl_) > 0) { return SSL_read(ssl_, ptr, static_cast(size)); } else if (is_readable()) { + std::this_thread::sleep_for(std::chrono::milliseconds(1)); ret = SSL_read(ssl_, ptr, static_cast(size)); if (ret >= 0) { return ret; } err = SSL_get_error(ssl_, ret); @@ -6205,7 +8192,33 @@ inline ssize_t SSLSocketStream::read(char *ptr, size_t size) { } inline ssize_t SSLSocketStream::write(const char *ptr, size_t size) { - if (is_writable()) { return SSL_write(ssl_, ptr, static_cast(size)); } + if (is_writable()) { + auto handle_size = static_cast( + std::min(size, (std::numeric_limits::max)())); + + auto ret = SSL_write(ssl_, ptr, static_cast(handle_size)); + if (ret < 0) { + auto err = SSL_get_error(ssl_, ret); + auto n = 1000; +#ifdef _WIN32 + while (--n >= 0 && (err == SSL_ERROR_WANT_WRITE || + (err == SSL_ERROR_SYSCALL && + WSAGetLastError() == WSAETIMEDOUT))) { +#else + while (--n >= 0 && err == SSL_ERROR_WANT_WRITE) { +#endif + if (is_writable()) { + std::this_thread::sleep_for(std::chrono::milliseconds(1)); + ret = SSL_write(ssl_, ptr, static_cast(handle_size)); + if (ret >= 0) { return ret; } + err = SSL_get_error(ssl_, ret); + } else { + return -1; + } + } + } + return ret; + } return -1; } @@ -6214,6 +8227,11 @@ inline void SSLSocketStream::get_remote_ip_and_port(std::string &ip, detail::get_remote_ip_and_port(sock_, ip, port); } +inline void SSLSocketStream::get_local_ip_and_port(std::string &ip, + int &port) const { + detail::get_local_ip_and_port(sock_, ip, port); +} + inline socket_t SSLSocketStream::socket() const { return sock_; } static SSLInit sslinit_; @@ -6223,18 +8241,23 @@ static SSLInit sslinit_; // SSL HTTP server implementation inline SSLServer::SSLServer(const char *cert_path, const char *private_key_path, const char *client_ca_cert_file_path, - const char *client_ca_cert_dir_path) { - ctx_ = SSL_CTX_new(SSLv23_server_method()); + const char *client_ca_cert_dir_path, + const char *private_key_password) { + ctx_ = SSL_CTX_new(TLS_server_method()); if (ctx_) { SSL_CTX_set_options(ctx_, - SSL_OP_ALL | SSL_OP_NO_SSLv2 | SSL_OP_NO_SSLv3 | - SSL_OP_NO_COMPRESSION | + SSL_OP_NO_COMPRESSION | SSL_OP_NO_SESSION_RESUMPTION_ON_RENEGOTIATION); - // auto ecdh = EC_KEY_new_by_curve_name(NID_X9_62_prime256v1); - // SSL_CTX_set_tmp_ecdh(ctx_, ecdh); - // EC_KEY_free(ecdh); + SSL_CTX_set_min_proto_version(ctx_, TLS1_1_VERSION); + + // add default password callback before opening encrypted private key + if (private_key_password != nullptr && (private_key_password[0] != '\0')) { + SSL_CTX_set_default_passwd_cb_userdata( + ctx_, + reinterpret_cast(const_cast(private_key_password))); + } if (SSL_CTX_use_certificate_chain_file(ctx_, cert_path) != 1 || SSL_CTX_use_PrivateKey_file(ctx_, private_key_path, SSL_FILETYPE_PEM) != @@ -6242,46 +8265,46 @@ inline SSLServer::SSLServer(const char *cert_path, const char *private_key_path, SSL_CTX_free(ctx_); ctx_ = nullptr; } else if (client_ca_cert_file_path || client_ca_cert_dir_path) { - // if (client_ca_cert_file_path) { - // auto list = SSL_load_client_CA_file(client_ca_cert_file_path); - // SSL_CTX_set_client_CA_list(ctx_, list); - // } - SSL_CTX_load_verify_locations(ctx_, client_ca_cert_file_path, client_ca_cert_dir_path); SSL_CTX_set_verify( - ctx_, - SSL_VERIFY_PEER | - SSL_VERIFY_FAIL_IF_NO_PEER_CERT, // SSL_VERIFY_CLIENT_ONCE, - nullptr); + ctx_, SSL_VERIFY_PEER | SSL_VERIFY_FAIL_IF_NO_PEER_CERT, nullptr); } } } inline SSLServer::SSLServer(X509 *cert, EVP_PKEY *private_key, X509_STORE *client_ca_cert_store) { - ctx_ = SSL_CTX_new(SSLv23_server_method()); + ctx_ = SSL_CTX_new(TLS_server_method()); if (ctx_) { SSL_CTX_set_options(ctx_, - SSL_OP_ALL | SSL_OP_NO_SSLv2 | SSL_OP_NO_SSLv3 | - SSL_OP_NO_COMPRESSION | + SSL_OP_NO_COMPRESSION | SSL_OP_NO_SESSION_RESUMPTION_ON_RENEGOTIATION); + SSL_CTX_set_min_proto_version(ctx_, TLS1_1_VERSION); + if (SSL_CTX_use_certificate(ctx_, cert) != 1 || SSL_CTX_use_PrivateKey(ctx_, private_key) != 1) { SSL_CTX_free(ctx_); ctx_ = nullptr; } else if (client_ca_cert_store) { - SSL_CTX_set_cert_store(ctx_, client_ca_cert_store); SSL_CTX_set_verify( - ctx_, - SSL_VERIFY_PEER | - SSL_VERIFY_FAIL_IF_NO_PEER_CERT, // SSL_VERIFY_CLIENT_ONCE, - nullptr); + ctx_, SSL_VERIFY_PEER | SSL_VERIFY_FAIL_IF_NO_PEER_CERT, nullptr); + } + } +} + +inline SSLServer::SSLServer( + const std::function &setup_ssl_ctx_callback) { + ctx_ = SSL_CTX_new(TLS_method()); + if (ctx_) { + if (!setup_ssl_ctx_callback(*ctx_)) { + SSL_CTX_free(ctx_); + ctx_ = nullptr; } } } @@ -6292,19 +8315,21 @@ inline SSLServer::~SSLServer() { inline bool SSLServer::is_valid() const { return ctx_; } +inline SSL_CTX *SSLServer::ssl_context() const { return ctx_; } + inline bool SSLServer::process_and_close_socket(socket_t sock) { auto ssl = detail::ssl_new( sock, ctx_, ctx_mutex_, - [&](SSL *ssl) { + [&](SSL *ssl2) { return detail::ssl_connect_or_accept_nonblocking( - sock, ssl, SSL_accept, read_timeout_sec_, read_timeout_usec_); + sock, ssl2, SSL_accept, read_timeout_sec_, read_timeout_usec_); }, - [](SSL * /*ssl*/) { return true; }); + [](SSL * /*ssl2*/) { return true; }); - bool ret = false; + auto ret = false; if (ssl) { ret = detail::process_server_socket_ssl( - ssl, sock, keep_alive_max_count_, keep_alive_timeout_sec_, + svr_sock_, ssl, sock, keep_alive_max_count_, keep_alive_timeout_sec_, read_timeout_sec_, read_timeout_usec_, write_timeout_sec_, write_timeout_usec_, [this, ssl](Stream &strm, bool close_connection, @@ -6335,12 +8360,13 @@ inline SSLClient::SSLClient(const std::string &host, int port, const std::string &client_cert_path, const std::string &client_key_path) : ClientImpl(host, port, client_cert_path, client_key_path) { - ctx_ = SSL_CTX_new(SSLv23_client_method()); + ctx_ = SSL_CTX_new(TLS_client_method()); detail::split(&host_[0], &host_[host_.size()], '.', [&](const char *b, const char *e) { host_components_.emplace_back(std::string(b, e)); }); + if (!client_cert_path.empty() && !client_key_path.empty()) { if (SSL_CTX_use_certificate_file(ctx_, client_cert_path.c_str(), SSL_FILETYPE_PEM) != 1 || @@ -6355,12 +8381,13 @@ inline SSLClient::SSLClient(const std::string &host, int port, inline SSLClient::SSLClient(const std::string &host, int port, X509 *client_cert, EVP_PKEY *client_key) : ClientImpl(host, port) { - ctx_ = SSL_CTX_new(SSLv23_client_method()); + ctx_ = SSL_CTX_new(TLS_client_method()); detail::split(&host_[0], &host_[host_.size()], '.', [&](const char *b, const char *e) { host_components_.emplace_back(std::string(b, e)); }); + if (client_cert != nullptr && client_key != nullptr) { if (SSL_CTX_use_certificate(ctx_, client_cert) != 1 || SSL_CTX_use_PrivateKey(ctx_, client_key) != 1) { @@ -6375,17 +8402,11 @@ inline SSLClient::~SSLClient() { // Make sure to shut down SSL since shutdown_ssl will resolve to the // base function rather than the derived function once we get to the // base class destructor, and won't free the SSL (causing a leak). - SSLClient::shutdown_ssl(socket_, true); + shutdown_ssl_impl(socket_, true); } inline bool SSLClient::is_valid() const { return ctx_; } -inline void SSLClient::set_ca_cert_path(const char *ca_cert_file_path, - const char *ca_cert_dir_path) { - if (ca_cert_file_path) { ca_cert_file_path_ = ca_cert_file_path; } - if (ca_cert_dir_path) { ca_cert_dir_path_ = ca_cert_dir_path; } -} - inline void SSLClient::set_ca_cert_store(X509_STORE *ca_cert_store) { if (ca_cert_store) { if (ctx_) { @@ -6399,6 +8420,11 @@ inline void SSLClient::set_ca_cert_store(X509_STORE *ca_cert_store) { } } +inline void SSLClient::load_ca_cert_store(const char *ca_cert, + std::size_t size) { + set_ca_cert_store(ClientImpl::create_ca_cert_store(ca_cert, size)); +} + inline long SSLClient::get_openssl_verify_result() const { return verify_result_; } @@ -6413,14 +8439,14 @@ inline bool SSLClient::create_and_connect_socket(Socket &socket, Error &error) { inline bool SSLClient::connect_with_proxy(Socket &socket, Response &res, bool &success, Error &error) { success = true; - Response res2; + Response proxy_res; if (!detail::process_client_socket( socket.sock, read_timeout_sec_, read_timeout_usec_, write_timeout_sec_, write_timeout_usec_, [&](Stream &strm) { Request req2; req2.method = "CONNECT"; req2.path = host_and_port_; - return process_request(strm, req2, res2, false, error); + return process_request(strm, req2, proxy_res, false, error); })) { // Thread-safe to close everything because we are assuming there are no // requests in flight @@ -6431,12 +8457,12 @@ inline bool SSLClient::connect_with_proxy(Socket &socket, Response &res, return false; } - if (res2.status == 407) { + if (proxy_res.status == 407) { if (!proxy_digest_auth_username_.empty() && !proxy_digest_auth_password_.empty()) { std::map auth; - if (detail::parse_www_authenticate(res2, auth, true)) { - Response res3; + if (detail::parse_www_authenticate(proxy_res, auth, true)) { + proxy_res = Response(); if (!detail::process_client_socket( socket.sock, read_timeout_sec_, read_timeout_usec_, write_timeout_sec_, write_timeout_usec_, [&](Stream &strm) { @@ -6447,7 +8473,7 @@ inline bool SSLClient::connect_with_proxy(Socket &socket, Response &res, req3, auth, 1, detail::random_string(10), proxy_digest_auth_username_, proxy_digest_auth_password_, true)); - return process_request(strm, req3, res3, false, error); + return process_request(strm, req3, proxy_res, false, error); })) { // Thread-safe to close everything because we are assuming there are // no requests in flight @@ -6458,17 +8484,28 @@ inline bool SSLClient::connect_with_proxy(Socket &socket, Response &res, return false; } } - } else { - res = res2; - return false; } } + // If status code is not 200, proxy request is failed. + // Set error to ProxyConnection and return proxy response + // as the response of the request + if (proxy_res.status != 200) { + error = Error::ProxyConnection; + res = std::move(proxy_res); + // Thread-safe to close everything because we are assuming there are + // no requests in flight + shutdown_ssl(socket, true); + shutdown_socket(socket); + close_socket(socket); + return false; + } + return true; } inline bool SSLClient::load_certs() { - bool ret = true; + auto ret = true; std::call_once(initialize_cert_, [&]() { std::lock_guard guard(ctx_mutex_); @@ -6483,11 +8520,16 @@ inline bool SSLClient::load_certs() { ret = false; } } else { + auto loaded = false; #ifdef _WIN32 - detail::load_system_certs_on_windows(SSL_CTX_get_cert_store(ctx_)); -#else - SSL_CTX_set_default_verify_paths(ctx_); -#endif + loaded = + detail::load_system_certs_on_windows(SSL_CTX_get_cert_store(ctx_)); +#elif defined(CPPHTTPLIB_USE_CERTS_FROM_MACOSX_KEYCHAIN) && defined(__APPLE__) +#if TARGET_OS_OSX + loaded = detail::load_system_certs_on_macos(SSL_CTX_get_cert_store(ctx_)); +#endif // TARGET_OS_OSX +#endif // _WIN32 + if (!loaded) { SSL_CTX_set_default_verify_paths(ctx_); } } }); @@ -6497,31 +8539,31 @@ inline bool SSLClient::load_certs() { inline bool SSLClient::initialize_ssl(Socket &socket, Error &error) { auto ssl = detail::ssl_new( socket.sock, ctx_, ctx_mutex_, - [&](SSL *ssl) { + [&](SSL *ssl2) { if (server_certificate_verification_) { if (!load_certs()) { error = Error::SSLLoadingCerts; return false; } - SSL_set_verify(ssl, SSL_VERIFY_NONE, nullptr); + SSL_set_verify(ssl2, SSL_VERIFY_NONE, nullptr); } if (!detail::ssl_connect_or_accept_nonblocking( - socket.sock, ssl, SSL_connect, connection_timeout_sec_, + socket.sock, ssl2, SSL_connect, connection_timeout_sec_, connection_timeout_usec_)) { error = Error::SSLConnection; return false; } if (server_certificate_verification_) { - verify_result_ = SSL_get_verify_result(ssl); + verify_result_ = SSL_get_verify_result(ssl2); if (verify_result_ != X509_V_OK) { error = Error::SSLServerVerification; return false; } - auto server_cert = SSL_get_peer_certificate(ssl); + auto server_cert = SSL_get1_peer_certificate(ssl2); if (server_cert == nullptr) { error = Error::SSLServerVerification; @@ -6538,8 +8580,12 @@ inline bool SSLClient::initialize_ssl(Socket &socket, Error &error) { return true; }, - [&](SSL *ssl) { - SSL_set_tlsext_host_name(ssl, host_.c_str()); + [&](SSL *ssl2) { + // NOTE: With -Wold-style-cast, this can produce a warning, since + // SSL_set_tlsext_host_name is a macro (in OpenSSL), which contains + // an old style cast. Short of doing compiler specific pragma's + // here, we can't get rid of this warning. :'( + SSL_set_tlsext_host_name(ssl2, host_.c_str()); return true; }); @@ -6554,6 +8600,11 @@ inline bool SSLClient::initialize_ssl(Socket &socket, Error &error) { } inline void SSLClient::shutdown_ssl(Socket &socket, bool shutdown_gracefully) { + shutdown_ssl_impl(socket, shutdown_gracefully); +} + +inline void SSLClient::shutdown_ssl_impl(Socket &socket, + bool shutdown_gracefully) { if (socket.sock == INVALID_SOCKET) { assert(socket.ssl == nullptr); return; @@ -6627,15 +8678,16 @@ SSLClient::verify_host_with_subject_alt_name(X509 *server_cert) const { if (alt_names) { auto dsn_matched = false; - auto ip_mached = false; + auto ip_matched = false; auto count = sk_GENERAL_NAME_num(alt_names); for (decltype(count) i = 0; i < count && !dsn_matched; i++) { auto val = sk_GENERAL_NAME_value(alt_names, i); if (val->type == type) { - auto name = (const char *)ASN1_STRING_get0_data(val->d.ia5); - auto name_len = (size_t)ASN1_STRING_length(val->d.ia5); + auto name = + reinterpret_cast(ASN1_STRING_get0_data(val->d.ia5)); + auto name_len = static_cast(ASN1_STRING_length(val->d.ia5)); switch (type) { case GEN_DNS: dsn_matched = check_host_name(name, name_len); break; @@ -6643,17 +8695,18 @@ SSLClient::verify_host_with_subject_alt_name(X509 *server_cert) const { case GEN_IPADD: if (!memcmp(&addr6, name, addr_len) || !memcmp(&addr, name, addr_len)) { - ip_mached = true; + ip_matched = true; } break; } } } - if (dsn_matched || ip_mached) { ret = true; } + if (dsn_matched || ip_matched) { ret = true; } } - GENERAL_NAMES_free((STACK_OF(GENERAL_NAME) *)alt_names); + GENERAL_NAMES_free(const_cast( + reinterpret_cast(alt_names))); return ret; } @@ -6703,15 +8756,16 @@ inline bool SSLClient::check_host_name(const char *pattern, #endif // Universal client implementation -inline Client::Client(const char *scheme_host_port) +inline Client::Client(const std::string &scheme_host_port) : Client(scheme_host_port, std::string(), std::string()) {} -inline Client::Client(const char *scheme_host_port, +inline Client::Client(const std::string &scheme_host_port, const std::string &client_cert_path, const std::string &client_key_path) { - const static std::regex re(R"(^(?:([a-z]+)://)?([^:/?#]+)(?::(\d+))?)"); + const static std::regex re( + R"((?:([a-z]+):\/\/)?(?:\[([\d:]+)\]|([^:/?#]+))(?::(\d+))?)"); - std::cmatch m; + std::smatch m; if (std::regex_match(scheme_host_port, m, re)) { auto scheme = m[1].str(); @@ -6720,27 +8774,30 @@ inline Client::Client(const char *scheme_host_port, #else if (!scheme.empty() && scheme != "http") { #endif +#ifndef CPPHTTPLIB_NO_EXCEPTIONS std::string msg = "'" + scheme + "' scheme is not supported."; throw std::invalid_argument(msg); +#endif return; } auto is_ssl = scheme == "https"; auto host = m[2].str(); + if (host.empty()) { host = m[3].str(); } - auto port_str = m[3].str(); + auto port_str = m[4].str(); auto port = !port_str.empty() ? std::stoi(port_str) : (is_ssl ? 443 : 80); if (is_ssl) { #ifdef CPPHTTPLIB_OPENSSL_SUPPORT - cli_ = detail::make_unique(host.c_str(), port, - client_cert_path, client_key_path); + cli_ = detail::make_unique(host, port, client_cert_path, + client_key_path); is_ssl_ = is_ssl; #endif } else { - cli_ = detail::make_unique(host.c_str(), port, - client_cert_path, client_key_path); + cli_ = detail::make_unique(host, port, client_cert_path, + client_key_path); } } else { cli_ = detail::make_unique(scheme_host_port, 80, @@ -6763,216 +8820,334 @@ inline bool Client::is_valid() const { return cli_ != nullptr && cli_->is_valid(); } -inline Result Client::Get(const char *path) { return cli_->Get(path); } -inline Result Client::Get(const char *path, const Headers &headers) { +inline Result Client::Get(const std::string &path) { return cli_->Get(path); } +inline Result Client::Get(const std::string &path, const Headers &headers) { return cli_->Get(path, headers); } -inline Result Client::Get(const char *path, Progress progress) { +inline Result Client::Get(const std::string &path, Progress progress) { return cli_->Get(path, std::move(progress)); } -inline Result Client::Get(const char *path, const Headers &headers, +inline Result Client::Get(const std::string &path, const Headers &headers, Progress progress) { return cli_->Get(path, headers, std::move(progress)); } -inline Result Client::Get(const char *path, ContentReceiver content_receiver) { +inline Result Client::Get(const std::string &path, + ContentReceiver content_receiver) { return cli_->Get(path, std::move(content_receiver)); } -inline Result Client::Get(const char *path, const Headers &headers, +inline Result Client::Get(const std::string &path, const Headers &headers, ContentReceiver content_receiver) { return cli_->Get(path, headers, std::move(content_receiver)); } -inline Result Client::Get(const char *path, ContentReceiver content_receiver, - Progress progress) { +inline Result Client::Get(const std::string &path, + ContentReceiver content_receiver, Progress progress) { return cli_->Get(path, std::move(content_receiver), std::move(progress)); } -inline Result Client::Get(const char *path, const Headers &headers, +inline Result Client::Get(const std::string &path, const Headers &headers, ContentReceiver content_receiver, Progress progress) { return cli_->Get(path, headers, std::move(content_receiver), std::move(progress)); } -inline Result Client::Get(const char *path, ResponseHandler response_handler, +inline Result Client::Get(const std::string &path, + ResponseHandler response_handler, ContentReceiver content_receiver) { return cli_->Get(path, std::move(response_handler), std::move(content_receiver)); } -inline Result Client::Get(const char *path, const Headers &headers, +inline Result Client::Get(const std::string &path, const Headers &headers, ResponseHandler response_handler, ContentReceiver content_receiver) { return cli_->Get(path, headers, std::move(response_handler), std::move(content_receiver)); } -inline Result Client::Get(const char *path, ResponseHandler response_handler, +inline Result Client::Get(const std::string &path, + ResponseHandler response_handler, ContentReceiver content_receiver, Progress progress) { return cli_->Get(path, std::move(response_handler), std::move(content_receiver), std::move(progress)); } -inline Result Client::Get(const char *path, const Headers &headers, +inline Result Client::Get(const std::string &path, const Headers &headers, ResponseHandler response_handler, ContentReceiver content_receiver, Progress progress) { return cli_->Get(path, headers, std::move(response_handler), std::move(content_receiver), std::move(progress)); } +inline Result Client::Get(const std::string &path, const Params ¶ms, + const Headers &headers, Progress progress) { + return cli_->Get(path, params, headers, progress); +} +inline Result Client::Get(const std::string &path, const Params ¶ms, + const Headers &headers, + ContentReceiver content_receiver, Progress progress) { + return cli_->Get(path, params, headers, content_receiver, progress); +} +inline Result Client::Get(const std::string &path, const Params ¶ms, + const Headers &headers, + ResponseHandler response_handler, + ContentReceiver content_receiver, Progress progress) { + return cli_->Get(path, params, headers, response_handler, content_receiver, + progress); +} -inline Result Client::Head(const char *path) { return cli_->Head(path); } -inline Result Client::Head(const char *path, const Headers &headers) { +inline Result Client::Head(const std::string &path) { return cli_->Head(path); } +inline Result Client::Head(const std::string &path, const Headers &headers) { return cli_->Head(path, headers); } -inline Result Client::Post(const char *path) { return cli_->Post(path); } -inline Result Client::Post(const char *path, const std::string &body, - const char *content_type) { +inline Result Client::Post(const std::string &path) { return cli_->Post(path); } +inline Result Client::Post(const std::string &path, const Headers &headers) { + return cli_->Post(path, headers); +} +inline Result Client::Post(const std::string &path, const char *body, + size_t content_length, + const std::string &content_type) { + return cli_->Post(path, body, content_length, content_type); +} +inline Result Client::Post(const std::string &path, const Headers &headers, + const char *body, size_t content_length, + const std::string &content_type) { + return cli_->Post(path, headers, body, content_length, content_type); +} +inline Result Client::Post(const std::string &path, const std::string &body, + const std::string &content_type) { return cli_->Post(path, body, content_type); } -inline Result Client::Post(const char *path, const Headers &headers, - const std::string &body, const char *content_type) { +inline Result Client::Post(const std::string &path, const Headers &headers, + const std::string &body, + const std::string &content_type) { return cli_->Post(path, headers, body, content_type); } -inline Result Client::Post(const char *path, size_t content_length, +inline Result Client::Post(const std::string &path, size_t content_length, ContentProvider content_provider, - const char *content_type) { + const std::string &content_type) { return cli_->Post(path, content_length, std::move(content_provider), content_type); } -inline Result Client::Post(const char *path, +inline Result Client::Post(const std::string &path, ContentProviderWithoutLength content_provider, - const char *content_type) { + const std::string &content_type) { return cli_->Post(path, std::move(content_provider), content_type); } -inline Result Client::Post(const char *path, const Headers &headers, +inline Result Client::Post(const std::string &path, const Headers &headers, size_t content_length, ContentProvider content_provider, - const char *content_type) { + const std::string &content_type) { return cli_->Post(path, headers, content_length, std::move(content_provider), content_type); } -inline Result Client::Post(const char *path, const Headers &headers, +inline Result Client::Post(const std::string &path, const Headers &headers, ContentProviderWithoutLength content_provider, - const char *content_type) { + const std::string &content_type) { return cli_->Post(path, headers, std::move(content_provider), content_type); } -inline Result Client::Post(const char *path, const Params ¶ms) { +inline Result Client::Post(const std::string &path, const Params ¶ms) { return cli_->Post(path, params); } -inline Result Client::Post(const char *path, const Headers &headers, +inline Result Client::Post(const std::string &path, const Headers &headers, const Params ¶ms) { return cli_->Post(path, headers, params); } -inline Result Client::Post(const char *path, +inline Result Client::Post(const std::string &path, const MultipartFormDataItems &items) { return cli_->Post(path, items); } -inline Result Client::Post(const char *path, const Headers &headers, +inline Result Client::Post(const std::string &path, const Headers &headers, const MultipartFormDataItems &items) { return cli_->Post(path, headers, items); } -inline Result Client::Post(const char *path, const Headers &headers, +inline Result Client::Post(const std::string &path, const Headers &headers, const MultipartFormDataItems &items, const std::string &boundary) { return cli_->Post(path, headers, items, boundary); } -inline Result Client::Put(const char *path) { return cli_->Put(path); } -inline Result Client::Put(const char *path, const std::string &body, - const char *content_type) { +inline Result +Client::Post(const std::string &path, const Headers &headers, + const MultipartFormDataItems &items, + const MultipartFormDataProviderItems &provider_items) { + return cli_->Post(path, headers, items, provider_items); +} +inline Result Client::Put(const std::string &path) { return cli_->Put(path); } +inline Result Client::Put(const std::string &path, const char *body, + size_t content_length, + const std::string &content_type) { + return cli_->Put(path, body, content_length, content_type); +} +inline Result Client::Put(const std::string &path, const Headers &headers, + const char *body, size_t content_length, + const std::string &content_type) { + return cli_->Put(path, headers, body, content_length, content_type); +} +inline Result Client::Put(const std::string &path, const std::string &body, + const std::string &content_type) { return cli_->Put(path, body, content_type); } -inline Result Client::Put(const char *path, const Headers &headers, - const std::string &body, const char *content_type) { +inline Result Client::Put(const std::string &path, const Headers &headers, + const std::string &body, + const std::string &content_type) { return cli_->Put(path, headers, body, content_type); } -inline Result Client::Put(const char *path, size_t content_length, +inline Result Client::Put(const std::string &path, size_t content_length, ContentProvider content_provider, - const char *content_type) { + const std::string &content_type) { return cli_->Put(path, content_length, std::move(content_provider), content_type); } -inline Result Client::Put(const char *path, +inline Result Client::Put(const std::string &path, ContentProviderWithoutLength content_provider, - const char *content_type) { + const std::string &content_type) { return cli_->Put(path, std::move(content_provider), content_type); } -inline Result Client::Put(const char *path, const Headers &headers, +inline Result Client::Put(const std::string &path, const Headers &headers, size_t content_length, ContentProvider content_provider, - const char *content_type) { + const std::string &content_type) { return cli_->Put(path, headers, content_length, std::move(content_provider), content_type); } -inline Result Client::Put(const char *path, const Headers &headers, +inline Result Client::Put(const std::string &path, const Headers &headers, ContentProviderWithoutLength content_provider, - const char *content_type) { + const std::string &content_type) { return cli_->Put(path, headers, std::move(content_provider), content_type); } -inline Result Client::Put(const char *path, const Params ¶ms) { +inline Result Client::Put(const std::string &path, const Params ¶ms) { return cli_->Put(path, params); } -inline Result Client::Put(const char *path, const Headers &headers, +inline Result Client::Put(const std::string &path, const Headers &headers, const Params ¶ms) { return cli_->Put(path, headers, params); } -inline Result Client::Patch(const char *path, const std::string &body, - const char *content_type) { +inline Result Client::Put(const std::string &path, + const MultipartFormDataItems &items) { + return cli_->Put(path, items); +} +inline Result Client::Put(const std::string &path, const Headers &headers, + const MultipartFormDataItems &items) { + return cli_->Put(path, headers, items); +} +inline Result Client::Put(const std::string &path, const Headers &headers, + const MultipartFormDataItems &items, + const std::string &boundary) { + return cli_->Put(path, headers, items, boundary); +} +inline Result +Client::Put(const std::string &path, const Headers &headers, + const MultipartFormDataItems &items, + const MultipartFormDataProviderItems &provider_items) { + return cli_->Put(path, headers, items, provider_items); +} +inline Result Client::Patch(const std::string &path) { + return cli_->Patch(path); +} +inline Result Client::Patch(const std::string &path, const char *body, + size_t content_length, + const std::string &content_type) { + return cli_->Patch(path, body, content_length, content_type); +} +inline Result Client::Patch(const std::string &path, const Headers &headers, + const char *body, size_t content_length, + const std::string &content_type) { + return cli_->Patch(path, headers, body, content_length, content_type); +} +inline Result Client::Patch(const std::string &path, const std::string &body, + const std::string &content_type) { return cli_->Patch(path, body, content_type); } -inline Result Client::Patch(const char *path, const Headers &headers, - const std::string &body, const char *content_type) { +inline Result Client::Patch(const std::string &path, const Headers &headers, + const std::string &body, + const std::string &content_type) { return cli_->Patch(path, headers, body, content_type); } -inline Result Client::Patch(const char *path, size_t content_length, +inline Result Client::Patch(const std::string &path, size_t content_length, ContentProvider content_provider, - const char *content_type) { + const std::string &content_type) { return cli_->Patch(path, content_length, std::move(content_provider), content_type); } -inline Result Client::Patch(const char *path, +inline Result Client::Patch(const std::string &path, ContentProviderWithoutLength content_provider, - const char *content_type) { + const std::string &content_type) { return cli_->Patch(path, std::move(content_provider), content_type); } -inline Result Client::Patch(const char *path, const Headers &headers, +inline Result Client::Patch(const std::string &path, const Headers &headers, size_t content_length, ContentProvider content_provider, - const char *content_type) { + const std::string &content_type) { return cli_->Patch(path, headers, content_length, std::move(content_provider), content_type); } -inline Result Client::Patch(const char *path, const Headers &headers, +inline Result Client::Patch(const std::string &path, const Headers &headers, ContentProviderWithoutLength content_provider, - const char *content_type) { + const std::string &content_type) { return cli_->Patch(path, headers, std::move(content_provider), content_type); } -inline Result Client::Delete(const char *path) { return cli_->Delete(path); } -inline Result Client::Delete(const char *path, const std::string &body, - const char *content_type) { - return cli_->Delete(path, body, content_type); +inline Result Client::Delete(const std::string &path) { + return cli_->Delete(path); } -inline Result Client::Delete(const char *path, const Headers &headers) { +inline Result Client::Delete(const std::string &path, const Headers &headers) { return cli_->Delete(path, headers); } -inline Result Client::Delete(const char *path, const Headers &headers, +inline Result Client::Delete(const std::string &path, const char *body, + size_t content_length, + const std::string &content_type) { + return cli_->Delete(path, body, content_length, content_type); +} +inline Result Client::Delete(const std::string &path, const Headers &headers, + const char *body, size_t content_length, + const std::string &content_type) { + return cli_->Delete(path, headers, body, content_length, content_type); +} +inline Result Client::Delete(const std::string &path, const std::string &body, + const std::string &content_type) { + return cli_->Delete(path, body, content_type); +} +inline Result Client::Delete(const std::string &path, const Headers &headers, const std::string &body, - const char *content_type) { + const std::string &content_type) { return cli_->Delete(path, headers, body, content_type); } -inline Result Client::Options(const char *path) { return cli_->Options(path); } -inline Result Client::Options(const char *path, const Headers &headers) { +inline Result Client::Options(const std::string &path) { + return cli_->Options(path); +} +inline Result Client::Options(const std::string &path, const Headers &headers) { return cli_->Options(path, headers); } -inline bool Client::send(const Request &req, Response &res, Error &error) { +inline bool Client::send(Request &req, Response &res, Error &error) { return cli_->send(req, res, error); } inline Result Client::send(const Request &req) { return cli_->send(req); } +inline void Client::stop() { cli_->stop(); } + +inline std::string Client::host() const { return cli_->host(); } + +inline int Client::port() const { return cli_->port(); } + inline size_t Client::is_socket_open() const { return cli_->is_socket_open(); } -inline void Client::stop() { cli_->stop(); } +inline socket_t Client::socket() const { return cli_->socket(); } + +inline void +Client::set_hostname_addr_map(std::map addr_map) { + cli_->set_hostname_addr_map(std::move(addr_map)); +} inline void Client::set_default_headers(Headers headers) { cli_->set_default_headers(std::move(headers)); } +inline void Client::set_header_writer( + std::function const &writer) { + cli_->set_header_writer(writer); +} + +inline void Client::set_address_family(int family) { + cli_->set_address_family(family); +} + inline void Client::set_tcp_nodelay(bool on) { cli_->set_tcp_nodelay(on); } + inline void Client::set_socket_options(SocketOptions socket_options) { cli_->set_socket_options(std::move(socket_options)); } @@ -6980,22 +9155,25 @@ inline void Client::set_socket_options(SocketOptions socket_options) { inline void Client::set_connection_timeout(time_t sec, time_t usec) { cli_->set_connection_timeout(sec, usec); } + inline void Client::set_read_timeout(time_t sec, time_t usec) { cli_->set_read_timeout(sec, usec); } + inline void Client::set_write_timeout(time_t sec, time_t usec) { cli_->set_write_timeout(sec, usec); } -inline void Client::set_basic_auth(const char *username, const char *password) { +inline void Client::set_basic_auth(const std::string &username, + const std::string &password) { cli_->set_basic_auth(username, password); } -inline void Client::set_bearer_token_auth(const char *token) { +inline void Client::set_bearer_token_auth(const std::string &token) { cli_->set_bearer_token_auth(token); } #ifdef CPPHTTPLIB_OPENSSL_SUPPORT -inline void Client::set_digest_auth(const char *username, - const char *password) { +inline void Client::set_digest_auth(const std::string &username, + const std::string &password) { cli_->set_digest_auth(username, password); } #endif @@ -7005,27 +9183,29 @@ inline void Client::set_follow_location(bool on) { cli_->set_follow_location(on); } +inline void Client::set_url_encode(bool on) { cli_->set_url_encode(on); } + inline void Client::set_compress(bool on) { cli_->set_compress(on); } inline void Client::set_decompress(bool on) { cli_->set_decompress(on); } -inline void Client::set_interface(const char *intf) { +inline void Client::set_interface(const std::string &intf) { cli_->set_interface(intf); } -inline void Client::set_proxy(const char *host, int port) { +inline void Client::set_proxy(const std::string &host, int port) { cli_->set_proxy(host, port); } -inline void Client::set_proxy_basic_auth(const char *username, - const char *password) { +inline void Client::set_proxy_basic_auth(const std::string &username, + const std::string &password) { cli_->set_proxy_basic_auth(username, password); } -inline void Client::set_proxy_bearer_token_auth(const char *token) { +inline void Client::set_proxy_bearer_token_auth(const std::string &token) { cli_->set_proxy_bearer_token_auth(token); } #ifdef CPPHTTPLIB_OPENSSL_SUPPORT -inline void Client::set_proxy_digest_auth(const char *username, - const char *password) { +inline void Client::set_proxy_digest_auth(const std::string &username, + const std::string &password) { cli_->set_proxy_digest_auth(username, password); } #endif @@ -7036,23 +9216,28 @@ inline void Client::enable_server_certificate_verification(bool enabled) { } #endif -inline void Client::set_logger(Logger logger) { cli_->set_logger(logger); } +inline void Client::set_logger(Logger logger) { + cli_->set_logger(std::move(logger)); +} #ifdef CPPHTTPLIB_OPENSSL_SUPPORT -inline void Client::set_ca_cert_path(const char *ca_cert_file_path, - const char *ca_cert_dir_path) { - if (is_ssl_) { - static_cast(*cli_).set_ca_cert_path(ca_cert_file_path, - ca_cert_dir_path); - } +inline void Client::set_ca_cert_path(const std::string &ca_cert_file_path, + const std::string &ca_cert_dir_path) { + cli_->set_ca_cert_path(ca_cert_file_path, ca_cert_dir_path); } inline void Client::set_ca_cert_store(X509_STORE *ca_cert_store) { if (is_ssl_) { static_cast(*cli_).set_ca_cert_store(ca_cert_store); + } else { + cli_->set_ca_cert_store(ca_cert_store); } } +inline void Client::load_ca_cert_store(const char *ca_cert, std::size_t size) { + set_ca_cert_store(cli_->create_ca_cert_store(ca_cert, size)); +} + inline long Client::get_openssl_verify_result() const { if (is_ssl_) { return static_cast(*cli_).get_openssl_verify_result(); @@ -7070,4 +9255,8 @@ inline SSL_CTX *Client::ssl_context() const { } // namespace httplib +#if defined(_WIN32) && defined(CPPHTTPLIB_USE_POLL) +#undef poll +#endif + #endif // CPPHTTPLIB_HTTPLIB_H diff --git a/src/net/net.cpp b/src/net/net.cpp index 35945993..f51ac03f 100644 --- a/src/net/net.cpp +++ b/src/net/net.cpp @@ -145,10 +145,10 @@ HTTPResponse HTTPRequest::get() { ret._headers.emplace(h.first, h.second); } else { - int err = result.error(); - const char *errname = httpErrorNames[err]; + auto err = result.error(); + std::string errname = httplib::to_string(err); delete client; - throw Exception(Exception::MKXPError, "Failed to GET %s (%i: %s)", destination.c_str(), err, errname); + throw Exception(Exception::MKXPError, "Failed to GET %s (%i: %s)", destination.c_str(), err, errname.c_str()); } delete client; @@ -192,10 +192,10 @@ HTTPResponse HTTPRequest::post(StringMap &postData) { ret._headers.emplace(h.first, h.second); } else { - int err = result.error(); - const char *errname = httpErrorNames[err]; + auto err = result.error(); + std::string errname = httplib::to_string(err); delete client; - throw Exception(Exception::MKXPError, "Failed to POST %s (%i: %s)", destination.c_str(), err, errname); + throw Exception(Exception::MKXPError, "Failed to POST %s (%i: %s)", destination.c_str(), err, errname.c_str()); } delete client; return ret; @@ -234,9 +234,10 @@ HTTPResponse HTTPRequest::post(const char *body, const char *content_type) { ret._headers.emplace(h.first, h.second); } else { - int err = result.error(); + auto err = result.error(); + std::string errname = httplib::to_string(err); delete client; - throw Exception(Exception::MKXPError, "Failed to POST %s (%i: %s)", destination.c_str(), err, httpErrorNames[err]); + throw Exception(Exception::MKXPError, "Failed to POST %s (%i: %s)", destination.c_str(), err, errname.c_str()); } delete client; return ret;