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HTTPProxy.cpp
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HTTPProxy.cpp
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#include <boost/lexical_cast.hpp>
#include <boost/regex.hpp>
#include "HTTPProxy.h"
namespace i2p
{
namespace proxy
{
void HTTPProxyConnection::parseHeaders(const std::string& h, std::vector<header>& hm) {
std::string str (h);
std::string::size_type idx;
std::string t;
int i = 0;
while( (idx=str.find ("\r\n")) != std::string::npos) {
t=str.substr (0,idx);
str.erase (0,idx+2);
if (t == "")
break;
idx=t.find(": ");
if (idx == std::string::npos)
{
std::cout << "Bad header line: " << t << std::endl;
break;
}
LogPrint ("Name: ", t.substr (0,idx), " Value: ", t.substr (idx+2));
hm[i].name = t.substr (0,idx);
hm[i].value = t.substr (idx+2);
i++;
}
}
void HTTPProxyConnection::ExtractRequest(request &m_Request)
{
std::string requestString = m_Buffer;
int idx=requestString.find(" ");
std::string method = requestString.substr(0,idx);
requestString = requestString.substr(idx+1);
idx=requestString.find(" ");
std::string requestUrl = requestString.substr(0,idx);
LogPrint("method is: ", method, "\nRequest is: ", requestUrl);
std::string server="";
std::string port="80";
boost::regex rHTTP("http://(.*?)(:(\\d+))?(/.*)");
boost::smatch m;
std::string path;
if(boost::regex_search(requestUrl, m, rHTTP, boost::match_extra)) {
server=m[1].str();
if(m[2].str() != "") {
port=m[3].str();
}
path=m[4].str();
}
LogPrint("server is: ",server, "\n path is: ",path);
m_Request.uri = path;
m_Request.method = method;
m_Request.host = server;
}
void HTTPProxyConnection::RunRequest()
{
request m_Request;
ExtractRequest(m_Request);
parseHeaders(m_Buffer, m_Request.headers);
LogPrint("Requesting ", m_Request.host, " with path ", m_Request.uri, " and method ", m_Request.method);
HandleDestinationRequest(m_Request.host, m_Request.uri);
}
//void HTTPConnection::HandleDestinationRequest (const std::string& address, const std::string& uri)
//{
// i2p::data::IdentHash destination;
// std::string fullAddress;
// if (address.find (".b32.i2p") != std::string::npos)
// {
// int li = address.find_first_of (".");
// std::string newaddress = address.substr (0, li);
// if (i2p::data::Base32ToByteStream (newaddress.c_str (), newaddress.length (), (uint8_t *)destination, 32) != 32)
// {
// LogPrint ("Invalid Base32 address ", newaddress);
// return;
// }
// fullAddress = newaddress + ".b32.i2p";
// }
// else
// {
// auto addr = i2p::data::netdb.FindAddress (address);
// if (!addr)
// {
// LogPrint ("Unknown address ", address);
// SendReply("<html>"+ i2p::proxy::itoopieImage +"<br>Unknown address " + address + "</html>");
// return;
// }
// destination = *addr;
// fullAddress = address;
// }
//
// auto leaseSet = i2p::data::netdb.FindLeaseSet (destination);
// if (!leaseSet || !leaseSet->HasNonExpiredLeases ())
// {
// i2p::data::netdb.Subscribe(destination);
// std::this_thread::sleep_for (std::chrono::seconds(10)); // wait for 10 seconds
// leaseSet = i2p::data::netdb.FindLeaseSet (destination);
// if (!leaseSet || !leaseSet->HasNonExpiredLeases ()) // still no LeaseSet
// {
// SendReply(leaseSet ? "<html>"+ i2p::proxy::itoopieImage +"<br>Leases expired</html>" : "<html>"+ i2p::proxy::itoopieImage +"LeaseSet not found</html>");
// return;
// }
// }
// if (!m_Stream)
// m_Stream = i2p::stream::CreateStream (*leaseSet);
// if (m_Stream)
// {
// std::string request = "GET " + uri + " HTTP/1.1\n Host:" + fullAddress + "\n";
// m_Stream->Send ((uint8_t *)request.c_str (), request.length (), 10);
// AsyncStreamReceive ();
// }
//}
}
}