c++ boost 苹果内购 IAP验证

 // 1111.cpp: 定义控制台应用程序的入口点。
 //

 #include "stdafx.h"
 #include <cstdlib>
 #include <iostream>
 #include <boost/bind.hpp>
 #include <boost/asio.hpp>
 #include <boost/asio/ssl.hpp>

 enum { max_length =  };

 class client
 {
 public:
     client(boost::asio::io_service& io_service,
         boost::asio::ssl::context& context,
         boost::asio::ip::tcp::resolver::iterator endpoint_iterator)
         : socket_(io_service, context)
     {
         //socket_.set_verify_mode(boost::asio::ssl::verify_peer);
         socket_.set_verify_mode(boost::asio::ssl::context::verify_none);
         socket_.set_verify_callback(
             boost::bind(&client::verify_certificate, this, _1, _2));

         boost::asio::async_connect(socket_.lowest_layer(), endpoint_iterator,
             boost::bind(&client::handle_connect, this,
                 boost::asio::placeholders::error));
     }

     bool verify_certificate(bool preverified,
         boost::asio::ssl::verify_context& ctx)
     {
         // The verify callback can be used to check whether the certificate that is
         // being presented is valid for the peer. For example, RFC 2818 describes
         // the steps involved in doing this for HTTPS. Consult the OpenSSL
         // documentation for more details. Note that the callback is called once
         // for each certificate in the certificate chain, starting from the root
         // certificate authority.

         // In this example we will simply print the certificate's subject name.
         char subject_name[];
         X509* cert = X509_STORE_CTX_get_current_cert(ctx.native_handle());
         X509_NAME_oneline(X509_get_subject_name(cert), subject_name, );
         std::cout << "Verifying " << subject_name << "\n";

         return preverified;
     }

     void handle_connect(const boost::system::error_code& error)
     {
         if (!error)
         {
             socket_.async_handshake(boost::asio::ssl::stream_base::client,
                 boost::bind(&client::handle_handshake, this,
                     boost::asio::placeholders::error));
         }
         else
         {
             std::cout << "Connect failed: " << error.message() << "\n";
         }
     }

     void handle_handshake(const boost::system::error_code& error)
     {
         if (!error)
         {
             std::cout << "Enter message: ";
         //    std::cin.getline(request_, max_length);
             size_t request_length = strlen(request_);

             std::stringstream ss;
             ss << "POST " << " https://sandbox.itunes.apple.com/verifyReceipt HTTP/1.1\r\n";
             ss << "User-Agent: Fiddler\r\n";
             ss << "Host: sandbox.itunes.apple.com\r\n";
             ss << "Accept: */*\r\n";
             ss << "Connection: close\r\n\r\n";

             std::string str = ss.str();

             boost::asio::async_write(socket_,
                 boost::asio::buffer(str, str.length()),
                 boost::bind(&client::handle_write, this,
                     boost::asio::placeholders::error,
                     boost::asio::placeholders::bytes_transferred));
         }
         else
         {
             std::cout << "Handshake failed: " << error.message() << "\n";
         }
     }

     void handle_write(const boost::system::error_code& error,
         size_t bytes_transferred)
     {
         if (!error)
         {
             /*boost::asio::async_read(socket_,
                 boost::asio::buffer(reply_, bytes_transferred),
                 boost::bind(&client::handle_read, this,
                     boost::asio::placeholders::error,
                     boost::asio::placeholders::bytes_transferred));*/
             boost::asio::streambuf response;
             boost::asio::read_until(socket_, response, "\r\n");
             std::istream response_stream(&response);
             std::string http_version;
             response_stream >> http_version;
             unsigned int status_code;
             response_stream >> status_code;
             std::string status_message;
             std::getline(response_stream, status_message);
             if (!response_stream || http_version.substr(, ) != "HTTP/")
             {
                 std::cout << "Invalid response\n";
                 return ;
             }
             if (status_code != )
             {
                 std::cout << "Response returned with status code " << status_code << "\n";
                 return ;
             }

             // Read the response headers, which are terminated by a blank line.
             boost::asio::read_until(socket_, response, "\r\n\r\n");

             // Process the response headers.
             std::string header;
             while (std::getline(response_stream, header) && header != "\r")
                 std::cout << header << "\n";
             std::cout << "\n";

             // Write whatever content we already have to output.
             if (response.size() > )
                 std::cout << &response;

             try{    // Read until EOF, writing data to output as we go.
                 boost::system::error_code error;
                 char buf[] = {  };
                 while ( socket_.read_some(boost::asio::buffer(buf, ), error)> )
                 {
                     boost::system::error_code tmp = error;
                     std::cout << buf;
                 }

                 if (error != boost::asio::error::eof)
                     throw boost::system::system_error(error);
                 /**
                 * 21000 App Store不能读取你提供的JSON对象
                 * 21002 receipt-data域的数据有问题
                 * 21003 receipt无法通过验证
                 * 21004 提供的shared secret不匹配你账号中的shared secret
                 * 21005 receipt服务器当前不可用
                 * 21006 receipt合法，但是订阅已过期。服务器接收到这个状态码时，receipt数据仍然会解码并一起发送
                 * 21007 receipt是Sandbox receipt，但却发送至生产系统的验证服务
                 * 21008 receipt是生产receipt，但却发送至Sandbox环境的验证服务
                 */
                 std::cout << "\r\n\nfinished !!\r\n";
             }
             catch (std::exception& e)
             {
                 std::cout << "Exception: " << e.what() << "\n";
                 return;
             }

         }
         else
         {
             std::cout << "Write failed: " << error.message() << "\n";
         }
     }

     void handle_read(const boost::system::error_code& error,
         size_t bytes_transferred)
     {
         if (!error)
         {
             std::cout << "Reply: ";
             std::cout.write(reply_, bytes_transferred);
             std::cout << "\n";
         }
         else
         {
             std::cout << "Read failed: " << error.message() << "\n";
         }
     }

 private:
     boost::asio::ssl::stream<boost::asio::ip::tcp::socket> socket_;
     char request_[max_length];
     char reply_[max_length];
 };

 int main(int argc, char* argv[])
 {
     try
     {

         boost::asio::io_service io_service;

         boost::asio::ip::tcp::resolver resolver(io_service);
         boost::asio::ip::tcp::resolver::query query("buy.itunes.apple.com", "");
         boost::asio::ip::tcp::resolver::iterator iterator = resolver.resolve(query);

         boost::asio::ssl::context ctx(boost::asio::ssl::context::sslv23);
         ctx.set_verify_mode(boost::asio::ssl::context::verify_none);
         //ctx.load_verify_file("ca.pem");

         client c(io_service, ctx, iterator);

         io_service.run();
     }
     catch (std::exception& e)
     {
         std::cerr << "Exception: " << e.what() << "\n";
     }

     return ;
 }