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/*
* Copyright (c) 2010-2011 Thilo Cestonaro
* Licensed under the simplified BSD license.
* See Documentation/Licenses/BSD-simplified.txt for more information.
*/
/*
* Copyright (c) 2011-2012 Kevin Smith
* Licensed under the GNU General Public License v3.
* See Documentation/Licenses/GPLv3.txt for more information.
*/
#include <Swiften/Network/HTTPConnectProxiedConnection.h>
#include <iostream>
#include <boost/bind.hpp>
#include <boost/thread.hpp>
#include <boost/lexical_cast.hpp>
#include <Swiften/Base/Algorithm.h>
#include <Swiften/Base/Log.h>
#include <Swiften/Base/String.h>
#include <Swiften/Base/ByteArray.h>
#include <Swiften/Network/HostAddressPort.h>
#include <Swiften/Network/ConnectionFactory.h>
#include <Swiften/Network/CachingNameOnlyDomainNameResolver.h>
#include <Swiften/StringCodecs/Base64.h>
using namespace Swift;
HTTPConnectProxiedConnection::HTTPConnectProxiedConnection(DomainNameResolver* resolver, ConnectionFactory* connectionFactory, TimerFactory* timerFactory, EventLoop* eventLoop, const std::string& proxyHost, int proxyPort, const SafeString& authID, const SafeString& authPassword) : connectionFactory_(connectionFactory), timerFactory_(timerFactory), proxyHost_(proxyHost), proxyPort_(proxyPort), server_(HostAddressPort(HostAddress("0.0.0.0"), 0)), authID_(authID), authPassword_(authPassword) {
resolver_ = new CachingNameOnlyDomainNameResolver(resolver, eventLoop);
connected_ = false;
}
HTTPConnectProxiedConnection::~HTTPConnectProxiedConnection() {
cancelConnector();
delete resolver_;
if (connection_) {
connection_->onDataRead.disconnect(boost::bind(&HTTPConnectProxiedConnection::handleDataRead, shared_from_this(), _1));
connection_->onDisconnected.disconnect(boost::bind(&HTTPConnectProxiedConnection::handleDisconnected, shared_from_this(), _1));
}
if (connected_) {
std::cerr << "Warning: Connection was still established." << std::endl;
}
}
void HTTPConnectProxiedConnection::cancelConnector() {
if (connector_) {
connector_->onConnectFinished.disconnect(boost::bind(&HTTPConnectProxiedConnection::handleConnectFinished, shared_from_this(), _1));
connector_->stop();
connector_.reset();
}
}
void HTTPConnectProxiedConnection::connect(const HostAddressPort& server) {
server_ = server;
connector_ = Connector::create(proxyHost_, resolver_, connectionFactory_, timerFactory_, proxyPort_);
connector_->onConnectFinished.connect(boost::bind(&HTTPConnectProxiedConnection::handleConnectFinished, shared_from_this(), _1));
connector_->start();
}
void HTTPConnectProxiedConnection::listen() {
assert(false);
connection_->listen();
}
void HTTPConnectProxiedConnection::disconnect() {
connected_ = false;
connection_->disconnect();
}
void HTTPConnectProxiedConnection::handleDisconnected(const boost::optional<Error>& error) {
onDisconnected(error);
}
void HTTPConnectProxiedConnection::write(const SafeByteArray& data) {
connection_->write(data);
}
void HTTPConnectProxiedConnection::handleConnectFinished(Connection::ref connection) {
cancelConnector();
if (connection) {
connection_ = connection;
connection_->onDataRead.connect(boost::bind(&HTTPConnectProxiedConnection::handleDataRead, shared_from_this(), _1));
connection_->onDisconnected.connect(boost::bind(&HTTPConnectProxiedConnection::handleDisconnected, shared_from_this(), _1));
std::stringstream connect;
connect << "CONNECT " << server_.getAddress().toString() << ":" << server_.getPort() << " HTTP/1.1\r\n";
SafeByteArray data = createSafeByteArray(connect.str());
if (!authID_.empty() && !authPassword_.empty()) {
append(data, createSafeByteArray("Proxy-Authorization: Basic "));
SafeByteArray credentials = authID_;
append(credentials, createSafeByteArray(":"));
append(credentials, authPassword_);
append(data, Base64::encode(credentials));
append(data, createSafeByteArray("\r\n"));
}
append(data, createSafeByteArray("\r\n"));
SWIFT_LOG(debug) << "HTTP Proxy send headers: " << byteArrayToString(ByteArray(data.begin(), data.end())) << std::endl;
connection_->write(data);
}
else {
onConnectFinished(true);
}
}
void HTTPConnectProxiedConnection::handleDataRead(boost::shared_ptr<SafeByteArray> data) {
if (!connected_) {
SWIFT_LOG(debug) << byteArrayToString(ByteArray(data->begin(), data->end())) << std::endl;
std::vector<std::string> tmp = String::split(byteArrayToString(ByteArray(data->begin(), data->end())), ' ');
if(tmp.size() > 1) {
int status = boost::lexical_cast<int> (tmp[1].c_str());
SWIFT_LOG(debug) << "Proxy Status: " << status << std::endl;
if (status / 100 == 2) { // all 2XX states are OK
connected_ = true;
onConnectFinished(false);
return;
}
SWIFT_LOG(debug) << "HTTP Proxy returned an error: " << byteArrayToString(ByteArray(data->begin(), data->end())) << std::endl;
}
disconnect();
onConnectFinished(true);
}
else {
onDataRead(data);
}
}
HostAddressPort HTTPConnectProxiedConnection::getLocalAddress() const {
return connection_->getLocalAddress();
}
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Swift