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/*
* Copyright (c) 2015 Oleg Morozenkov
* Copyright (c) 2018 Egor Pugin
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in all
* copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
* SOFTWARE.
*/
#include "tgbot/net/HttpClient.h"
#include <boost/asio/ssl.hpp>
using namespace std;
using namespace boost::asio;
using namespace boost::asio::ip;
namespace TgBot {
BoostHttpClient& BoostHttpClient::getInstance() {
static BoostHttpClient result;
return result;
}
string BoostHttpClient::makeRequest(const Url& url, const vector<HttpReqArg>& args) const {
ssl::context context(ssl::context::sslv23);
context.set_default_verify_paths();
ssl::stream<tcp::socket> socket(_ioService, context);
tcp::resolver resolver(_ioService);
tcp::resolver::query query(url.host, url.protocol);
connect(socket.lowest_layer(), resolver.resolve(query));
#ifdef TGBOT_DISABLE_NAGLES_ALGORITHM
socket.lowest_layer().set_option(tcp::no_delay(true));
#endif //TGBOT_DISABLE_NAGLES_ALGORITHM
#ifdef TGBOT_CHANGE_SOCKET_BUFFER_SIZE
#if _WIN64 || __amd64__ || __x86_64__ || __MINGW64__ || __aarch64__ || __powerpc64__
socket.lowest_layer().set_option(socket_base::send_buffer_size(65536));
socket.lowest_layer().set_option(socket_base::receive_buffer_size(65536));
#else //for 32-bit
socket.lowest_layer().set_option(socket_base::send_buffer_size(32768));
socket.lowest_layer().set_option(socket_base::receive_buffer_size(32768));
#endif //Processor architecture
#endif //TGBOT_CHANGE_SOCKET_BUFFER_SIZE
socket.set_verify_mode(ssl::verify_none);
socket.set_verify_callback(ssl::rfc2818_verification(url.host));
socket.handshake(ssl::stream<tcp::socket>::client);
string requestText = HttpParser::getInstance().generateRequest(url, args, false);
write(socket, buffer(requestText.c_str(), requestText.length()));
string response;
#ifdef TGBOT_CHANGE_READ_BUFFER_SIZE
#if _WIN64 || __amd64__ || __x86_64__ || __MINGW64__ || __aarch64__ || __powerpc64__
char buff[65536];
#else //for 32-bit
char buff[32768];
#endif //Processor architecture
#else
char buff[1024];
#endif //TGBOT_CHANGE_READ_BUFFER_SIZE
boost::system::error_code error;
while (!error) {
size_t bytes = read(socket, buffer(buff), error);
response += string(buff, bytes);
}
return HttpParser::getInstance().parseResponse(response);
}
#ifdef HAVE_CURL
CurlHttpClient::CurlHttpClient() {
curlSettings = curl_easy_init();
}
CurlHttpClient::~CurlHttpClient() {
curl_easy_cleanup(curlSettings);
}
CurlHttpClient& CurlHttpClient::getInstance() {
static CurlHttpClient result;
return result;
}
static size_t curl_write_string(char *ptr, size_t size, size_t nmemb, void *userdata)
{
std::string &s = *(std::string *)userdata;
auto read = size * nmemb;
s.append(ptr, ptr + read);
return read;
};
string CurlHttpClient::makeRequest(const Url& url, const vector<HttpReqArg>& args) const {
// Copy settings for each call because we change CURLOPT_URL and other stuff.
// This also protects multithreaded case.
auto curl = curl_easy_duphandle(curlSettings);
auto u = url.protocol + "://" + url.host + url.path;
curl_easy_setopt(curl, CURLOPT_URL, u.c_str());
std::string data;
if (!args.empty())
{
for (auto &a : args)
data += a.name + "=" + a.value + "&";
data.resize(data.size() - 1);
curl_easy_setopt(curl, CURLOPT_POSTFIELDS, data.c_str());
}
std::string response;
curl_easy_setopt(curl, CURLOPT_WRITEDATA, &response);
curl_easy_setopt(curl, CURLOPT_WRITEFUNCTION, curl_write_string);
auto res = curl_easy_perform(curl);
long http_code;
curl_easy_getinfo(curl, CURLINFO_RESPONSE_CODE, &http_code);
curl_easy_cleanup(curl);
if (res != CURLE_OK)
throw std::runtime_error(std::string("curl error: ") + curl_easy_strerror(res));
if (http_code != 200)
throw std::runtime_error("http request returned with code = " + std::to_string(http_code));
return HttpParser::getInstance().parseResponse(response);
}
#endif
}
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