I2P: End-to-End encrypted and anonymous Internet https://i2pd.website/
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#include <string>
#include <algorithm>
#include <cctype>
#include <functional>
#include <fstream>
#include <boost/asio.hpp>
#include "util.h"
#include "Log.h"
namespace i2p
{
namespace util
{
std::map<std::string, std::string> mapArgs;
void OptionParser(int argc, const char* const argv[])
{
mapArgs.clear();
for (int i = 1; i < argc; i++)
{
std::string strKey (argv[i]);
std::string strValue;
size_t has_data = strKey.find('=');
if (has_data != std::string::npos)
{
strValue = strKey.substr(has_data+1);
strKey = strKey.substr(0, has_data);
}
if (strKey[0] != '-')
break;
mapArgs[strKey] = strValue;
}
}
int GetIntArg(const std::string& strArg, int nDefault)
{
if (mapArgs.count(strArg))
return atoi(mapArgs[strArg].c_str());
return nDefault;
}
const char* GetCharArg(const std::string& strArg, const std::string& nDefault)
{
if (mapArgs.count(strArg))
return mapArgs[strArg].c_str();
return nDefault.c_str();
}
namespace http
{
//TODO: Implement v2 reseeding. Lightweight zip library is needed.
//TODO: Implement SU3, utils.
std::string httpRequest(const std::string& address)
{
try
{
i2p::util::http::url u(address);
boost::asio::ip::tcp::iostream site;
site.expires_from_now (boost::posix_time::seconds(30));
site.connect(u.host_, "http");
if (site)
{
//site.expires_from_now (boost::posix_time::seconds (10)); // wait for 10 seconds
// User-Agent is needed to get the server list routerInfo files.
site << "GET " << u.path_ << " HTTP/1.0\r\nHost: " << u.host_
<< "\r\nAccept: */*\r\n" << "User-Agent: Wget/1.11.4\r\n" << "Connection: close\r\n\r\n";
// read response
std::string version, statusMessage;
site >> version; // HTTP version
int status;
site >> status; // status
std::getline (site, statusMessage);
if (status == 200) // OK
{
std::string header;
while (std::getline(site, header) && header != "\r"){}
std::stringstream ss;
ss << site.rdbuf();
return ss.str();
}
else
{
LogPrint ("HTTP response ", status);
return "";
}
}
else
{
LogPrint ("Can't connect to ", address);
return "";
}
}
catch (std::exception& ex)
{
LogPrint ("Failed to download ", address, " : ", ex.what ());
return "";
}
}
url::url(const std::string& url_s)
{
parse(url_s);
}
void url::parse(const std::string& url_s)
{
const std::string prot_end("://");
std::string::const_iterator prot_i = search(url_s.begin(), url_s.end(),
prot_end.begin(), prot_end.end());
protocol_.reserve(distance(url_s.begin(), prot_i));
transform(url_s.begin(), prot_i,
back_inserter(protocol_),
std::ptr_fun<int,int>(tolower)); // protocol is icase
if( prot_i == url_s.end() )
return;
advance(prot_i, prot_end.length());
std::string::const_iterator path_i = find(prot_i, url_s.end(), '/');
host_.reserve(distance(prot_i, path_i));
transform(prot_i, path_i,
back_inserter(host_),
std::ptr_fun<int,int>(tolower)); // host is icase
std::string::const_iterator query_i = find(path_i, url_s.end(), '?');
path_.assign(path_i, query_i);
if( query_i != url_s.end() )
++query_i;
query_.assign(query_i, url_s.end());
}
}
} // Namespace end
}