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91 lines
No EOL
2.3 KiB
C++
91 lines
No EOL
2.3 KiB
C++
#include "IPNServer.h"
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NAMESPACE_UPP
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// constructor - defaults to port 8787 and connection timeout of 5 minutes (300 sec.)
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IPNServer::IPNServer(int port) : ScgiServer(port)
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{
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}
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void IPNServer::OnAccepted()
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{
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Cout() << "Accepted connection from client " << FormatIP(clientIP) << "\n";
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}
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void IPNServer::OnRequest()
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{
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// we handle just POST requests, GET not allowed
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if(HasPostData())
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{
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// create context for ssl connection
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SSLContext context;
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if(!context.Create(const_cast<SSL_METHOD *>(SSLv3_client_method())))
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{
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Cerr() << "Error creating SSL context.";
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return;
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}
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// re-send back data to paypal site, in order to check
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// if data was from them
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Socket answerSocket;
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if(!SSLClientSocket(answerSocket, context, payServer, payPort))
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{
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Cout() << "Error creating connection to PayPal\n";
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return;
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}
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String req = "cmd=_notify-validate";
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for(int i = 0; i < post.GetCount(); i++)
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req << "&" << ToLower(post.GetKey(i)) << "=" << UrlEncode(post[i]);
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String header;
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header <<
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"POST /cgi-bin/webscr HTTP/1.0\r\n"
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"Content-Type: application/x-www-form-urlencoded\r\n"
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"Content-Length: " << req.GetCount() << "\r\n\r\n"
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;
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answerSocket.Write(header + req);
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// wait for PayPal server answer
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req = "";
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while(answerSocket.IsOpen() && !answerSocket.IsEof() && !answerSocket.IsError())
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req << answerSocket.Read();
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answerSocket.Close();
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// 'VERIFIED' or 'INVALID' answer are on last line of received HTTP packet;
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// the rest is just HTTP headers and can be discarded
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// in detail, the LAST part of req string must be "VERIFIED"
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if(req.Right(8) == "VERIFIED")
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WhenVerified();
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else
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WhenInvalid();
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}
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else
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Cout() << "No POST data on PayPal request\n";
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// this one avoids "500 server error".... don't know why
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// but paypal do check the http response along with reply packet
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// on direct http access it'll show just a blank page
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clientSock.Write("Content-Type: text/plain\r\n\r\n");
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}
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VectorMap<String, String> IPNServer::GetVerified() const
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{
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VectorMap<String, String> data;
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for(int i = 0; i < post.GetCount(); i++)
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data.Add(ToUpper(post.GetKey(i)), post[i]);
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return data;
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}
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void IPNServer::OnClosed()
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{
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Cout() << "Connection with " << FormatIP(clientIP) << " closed\n";
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}
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// runs the server
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void IPNServer::Run(void)
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{
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// runs the SCGI server
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ScgiServer::Run();
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}
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END_UPP_NAMESPACE |