mkxp-z/binding/http-binding.cpp
2021-06-04 09:14:06 -04:00

322 lines
8.8 KiB
C++

//
// http-binding.cpp
// mkxp-z
//
// Created by ゾロアーク on 12/29/20.
//
#include <stdio.h>
#include "util/json5pp.hpp"
#include "binding-util.h"
#if RAPI_MAJOR >= 2
#include <ruby/thread.h>
#endif
#include "net/net.h"
VALUE stringMap2hash(mkxp_net::StringMap &map) {
VALUE ret = rb_hash_new();
for (auto const &item : map) {
VALUE key = rb_utf8_str_new_cstr(item.first.c_str());
VALUE val = rb_utf8_str_new_cstr(item.second.c_str());
rb_hash_aset(ret, key, val);
}
return ret;
}
mkxp_net::StringMap hash2StringMap(VALUE hash) {
mkxp_net::StringMap ret;
Check_Type(hash, T_HASH);
VALUE keys = rb_funcall(hash, rb_intern("keys"), 0);
for (int i = 0; i < RARRAY_LEN(keys); i++) {
VALUE key = rb_ary_entry(keys, i);
VALUE val = rb_hash_aref(hash, key);
SafeStringValue(key);
SafeStringValue(val);
ret.emplace(RSTRING_PTR(key), RSTRING_PTR(val));
}
return ret;
}
bool strContainsStr(std::string &first, std::string second) {
return first.find(second) != std::string::npos;
}
VALUE getResponseBody(mkxp_net::HTTPResponse &res) {
#if RAPI_FULL >= 190
auto it = res.headers().find("Content-Type");
if (it == res.headers().end())
return rb_str_new(res.body().c_str(), res.body().length());
std::string &ctype = it->second;
if (strContainsStr(ctype, "text/plain") || strContainsStr(ctype, "application/json") ||
strContainsStr(ctype, "application/xml") || strContainsStr(ctype, "text/html") ||
strContainsStr(ctype, "text/css") || strContainsStr(ctype, "text/javascript") ||
strContainsStr(ctype, "application/x-sh") || strContainsStr(ctype, "image/svg+xml") ||
strContainsStr(ctype, "application/x-httpd-php"))
return rb_utf8_str_new(res.body().c_str(), res.body().length());
#endif
return rb_str_new(res.body().c_str(), res.body().length());
}
VALUE formResponse(mkxp_net::HTTPResponse &res) {
VALUE ret = rb_hash_new();
rb_hash_aset(ret, ID2SYM(rb_intern("status")), INT2NUM(res.status()));
rb_hash_aset(ret, ID2SYM(rb_intern("body")), getResponseBody(res));
rb_hash_aset(ret, ID2SYM(rb_intern("headers")), stringMap2hash(res.headers()));
return ret;
}
#if RAPI_MAJOR >= 2
void* httpGetInternal(void *req) {
VALUE ret;
GUARD_EXC(
mkxp_net::HTTPResponse res = ((mkxp_net::HTTPRequest*)req)->get();
ret = formResponse(res);
);
return (void*)ret;
}
#endif
RB_METHOD(httpGet) {
RB_UNUSED_PARAM;
VALUE path, rheaders, redirect;
rb_scan_args(argc, argv, "12", &path, &rheaders, &redirect);
SafeStringValue(path);
mkxp_net::HTTPRequest req(RSTRING_PTR(path), RTEST(redirect));
if (rheaders != Qnil) {
auto headers = hash2StringMap(rheaders);
req.headers().insert(headers.begin(), headers.end());
}
#if RAPI_MAJOR >= 2
return (VALUE)rb_thread_call_without_gvl(httpGetInternal, &req, 0, 0);
#else
return (VALUE)httpGetInternal(&req);
#endif
}
#if RAPI_MAJOR >= 2
typedef struct {
mkxp_net::HTTPRequest *req;
mkxp_net::StringMap *postData;
} httpPostInternalArgs;
void* httpPostInternal(void *args) {
VALUE ret;
mkxp_net::HTTPRequest *req = ((httpPostInternalArgs*)args)->req;
mkxp_net::StringMap *postData = ((httpPostInternalArgs*)args)->postData;
GUARD_EXC(
mkxp_net::HTTPResponse res = req->post(*postData);
ret = formResponse(res);
);
return (void*)ret;
}
#endif
RB_METHOD(httpPost) {
RB_UNUSED_PARAM;
VALUE path, postDataHash, rheaders, redirect;
rb_scan_args(argc, argv, "22", &path, &postDataHash, &rheaders, &redirect);
SafeStringValue(path);
mkxp_net::HTTPRequest req(RSTRING_PTR(path), RTEST(redirect));
if (rheaders != Qnil) {
auto headers = hash2StringMap(rheaders);
req.headers().insert(headers.begin(), headers.end());
}
mkxp_net::StringMap postData = hash2StringMap(postDataHash);
httpPostInternalArgs args {&req, &postData};
#if RAPI_MAJOR >= 2
return (VALUE)rb_thread_call_without_gvl(httpPostInternal, &args, 0, 0);
#else
return httpPostInternal(&args);
#endif
}
#if RAPI_MAJOR >= 2
typedef struct {
mkxp_net::HTTPRequest *req;
const char *body;
const char *ctype;
} httpPostBodyInternalArgs;
void* httpPostBodyInternal(void *args) {
VALUE ret;
mkxp_net::HTTPRequest *req = ((httpPostBodyInternalArgs*)args)->req;
const char *reqbody = ((httpPostBodyInternalArgs*)args)->body;
const char *reqctype = ((httpPostBodyInternalArgs*)args)->ctype;
GUARD_EXC(
mkxp_net::HTTPResponse res = req->post(reqbody, reqctype);
ret = formResponse(res);
);
return (void*)ret;
}
#endif
RB_METHOD(httpPostBody) {
RB_UNUSED_PARAM;
VALUE path, body, ctype, rheaders;
rb_scan_args(argc, argv, "31", &path, &body, &ctype, &rheaders);
SafeStringValue(path);
SafeStringValue(body);
SafeStringValue(ctype);
mkxp_net::HTTPRequest req(RSTRING_PTR(path));
if (rheaders != Qnil) {
auto headers = hash2StringMap(rheaders);
req.headers().insert(headers.begin(), headers.end());
}
httpPostBodyInternalArgs args {&req, RSTRING_PTR(body), RSTRING_PTR(ctype)};
#if RAPI_MAJOR >= 2
return (VALUE)rb_thread_call_without_gvl(httpPostBodyInternal, &args, 0, 0);
#else
return httpPostBodyInternal(&args);
#endif
}
VALUE json2rb(json5pp::value const &v) {
if (v.is_null())
return Qnil;
if (v.is_number())
return rb_float_new(v.as_number());
if (v.is_string())
return rb_utf8_str_new_cstr(v.as_string().c_str());
if (v.is_boolean())
return rb_bool_new(v.as_boolean());
if (v.is_integer())
return LL2NUM(v.as_integer());
if (v.is_array()) {
auto &a = v.as_array();
VALUE ret = rb_ary_new();
for (auto item : a) {
rb_ary_push(ret, json2rb(item));
}
return ret;
}
if (v.is_object()) {
auto &o = v.as_object();
VALUE ret = rb_hash_new();
for (auto const &pair : o) {
rb_hash_aset(ret, rb_utf8_str_new_cstr(pair.first.c_str()), json2rb(pair.second));
}
return ret;
}
// This should be unreachable
return Qnil;
}
json5pp::value rb2json(VALUE v) {
if (v == Qnil)
return json5pp::value(nullptr);
if (RB_TYPE_P(v, RUBY_T_FLOAT))
return json5pp::value(RFLOAT_VALUE(v));
if (RB_TYPE_P(v, RUBY_T_STRING))
return json5pp::value(RSTRING_PTR(v));
if (v == Qtrue || v == Qfalse)
return json5pp::value(RTEST(v));
if (RB_TYPE_P(v, RUBY_T_FIXNUM))
return json5pp::value(NUM2DBL(v));
if (RB_TYPE_P(v, RUBY_T_ARRAY)) {
json5pp::value ret_value = json5pp::array({});
auto &ret = ret_value.as_array();
for (int i = 0; i < RARRAY_LEN(v); i++) {
ret.push_back(rb2json(rb_ary_entry(v, i)));
}
return ret_value;
}
if (RTEST(rb_funcall(v, rb_intern("is_a?"), 1, rb_cHash))) {
json5pp::value ret_value = json5pp::object({});
auto &ret = ret_value.as_object();
VALUE keys = rb_funcall(v, rb_intern("keys"), 0);
for (int i = 0; i < RARRAY_LEN(keys); i++) {
VALUE key = rb_ary_entry(keys, i); SafeStringValue(key);
VALUE val = rb_hash_aref(v, key);
ret.emplace(RSTRING_PTR(key), rb2json(val));
}
return ret_value;
}
raiseRbExc(Exception(Exception::MKXPError, "Invalid value for JSON: %s", RSTRING_PTR(rb_inspect(v))));
// This should be unreachable
return json5pp::value(0);
}
RB_METHOD(httpJsonParse) {
RB_UNUSED_PARAM;
VALUE jsonv;
rb_scan_args(argc, argv, "1", &jsonv);
SafeStringValue(jsonv);
json5pp::value v;
try {
v = json5pp::parse5(RSTRING_PTR(jsonv));
}
catch (...) {
raiseRbExc(Exception(Exception::MKXPError, "Failed to parse JSON"));
}
return json2rb(v);
}
RB_METHOD(httpJsonStringify) {
RB_UNUSED_PARAM;
VALUE obj;
rb_scan_args(argc, argv, "1", &obj);
json5pp::value v = rb2json(obj);
return rb_utf8_str_new_cstr(v.stringify().c_str());
}
void httpBindingInit() {
VALUE mNet = rb_define_module("HTTPLite");
_rb_define_module_function(mNet, "get", httpGet);
_rb_define_module_function(mNet, "post", httpPost);
_rb_define_module_function(mNet, "post_body", httpPostBody);
VALUE mNetJSON = rb_define_module_under(mNet, "JSON");
_rb_define_module_function(mNetJSON, "stringify", httpJsonStringify);
_rb_define_module_function(mNetJSON, "parse", httpJsonParse);
}