mirror of
https://github.com/PurpleI2P/i2pd.git
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87 lines
2.2 KiB
C++
87 lines
2.2 KiB
C++
#include <boost/lexical_cast.hpp>
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#include <boost/regex.hpp>
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#include "NetDb.h"
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#include "HTTPProxy.h"
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namespace i2p
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{
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namespace proxy
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{
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void HTTPProxyConnection::parseHeaders(const std::string& h, std::vector<header>& hm) {
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std::string str (h);
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std::string::size_type idx;
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std::string t;
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int i = 0;
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while( (idx=str.find ("\r\n")) != std::string::npos) {
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t=str.substr (0,idx);
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str.erase (0,idx+2);
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if (t == "")
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break;
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idx=t.find(": ");
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if (idx == std::string::npos)
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{
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std::cout << "Bad header line: " << t << std::endl;
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break;
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}
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LogPrint ("Name: ", t.substr (0,idx), " Value: ", t.substr (idx+2));
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hm[i].name = t.substr (0,idx);
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hm[i].value = t.substr (idx+2);
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i++;
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}
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}
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void HTTPProxyConnection::ExtractRequest(request& r)
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{
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std::string requestString = m_Buffer;
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int idx=requestString.find(" ");
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std::string method = requestString.substr(0,idx);
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requestString = requestString.substr(idx+1);
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idx=requestString.find(" ");
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std::string requestUrl = requestString.substr(0,idx);
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LogPrint("method is: ", method, "\nRequest is: ", requestUrl);
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std::string server="";
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std::string port="80";
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boost::regex rHTTP("http://(.*?)(:(\\d+))?(/.*)");
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boost::smatch m;
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std::string path;
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if(boost::regex_search(requestUrl, m, rHTTP, boost::match_extra)) {
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server=m[1].str();
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if(m[2].str() != "") {
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port=m[3].str();
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}
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path=m[4].str();
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}
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LogPrint("server is: ",server, "\n path is: ",path);
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r.uri = path;
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r.method = method;
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r.host = server;
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}
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void HTTPProxyConnection::RunRequest()
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{
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request r;
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ExtractRequest(r);
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parseHeaders(m_Buffer, r.headers);
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size_t addressHelperPos = r.uri.find ("i2paddresshelper");
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if (addressHelperPos != std::string::npos)
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{
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// jump service
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size_t addressPos = r.uri.find ("=", addressHelperPos);
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if (addressPos != std::string::npos)
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{
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LogPrint ("Jump service for ", r.host, " found. Inserting to address book");
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auto base64 = r.uri.substr (addressPos + 1);
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i2p::data::netdb.InsertAddress (r.host, base64);
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}
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}
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LogPrint("Requesting ", r.host, " with path ", r.uri, " and method ", r.method);
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SendToAddress (r.host, m_Buffer, m_BufferLen);
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}
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}
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}
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