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/*
* Copyright (c) 2011 Tobias Markmann
* Licensed under the simplified BSD license.
* See Documentation/Licenses/BSD-simplified.txt for more information.
*/
/*
* Copyright (c) 2015-2019 Isode Limited.
* All rights reserved.
* See the COPYING file for more information.
*/
#include <Swiften/FileTransfer/SOCKS5BytestreamProxyFinder.h>
#include <memory>
#include <boost/bind.hpp>
#include <Swiften/Base/Log.h>
#include <Swiften/Elements/S5BProxyRequest.h>
#include <Swiften/Queries/GenericRequest.h>
#include <Swiften/Queries/IQRouter.h>
namespace Swift {
SOCKS5BytestreamProxyFinder::SOCKS5BytestreamProxyFinder(const JID& service, IQRouter *iqRouter) : service(service), iqRouter(iqRouter) {
}
SOCKS5BytestreamProxyFinder::~SOCKS5BytestreamProxyFinder() {
}
void SOCKS5BytestreamProxyFinder::start() {
serviceWalker = std::make_shared<DiscoServiceWalker>(service, iqRouter);
serviceWalker->onServiceFound.connect(boost::bind(&SOCKS5BytestreamProxyFinder::handleServiceFound, this, _1, _2));
serviceWalker->onWalkComplete.connect(boost::bind(&SOCKS5BytestreamProxyFinder::handleWalkEnded, this));
serviceWalker->beginWalk();
}
void SOCKS5BytestreamProxyFinder::stop() {
for (auto&& requester : pendingRequests) {
requester->onResponse.disconnect(boost::bind(&SOCKS5BytestreamProxyFinder::handleProxyResponse, this, requester, _1, _2));
}
serviceWalker->endWalk();
serviceWalker->onServiceFound.disconnect(boost::bind(&SOCKS5BytestreamProxyFinder::handleServiceFound, this, _1, _2));
serviceWalker->onWalkComplete.disconnect(boost::bind(&SOCKS5BytestreamProxyFinder::handleWalkEnded, this));
serviceWalker.reset();
}
void SOCKS5BytestreamProxyFinder::sendBytestreamQuery(const JID& jid) {
S5BProxyRequest::ref proxyRequest = std::make_shared<S5BProxyRequest>();
std::shared_ptr<GenericRequest<S5BProxyRequest> > request = std::make_shared<GenericRequest<S5BProxyRequest> >(IQ::Get, jid, proxyRequest, iqRouter);
request->onResponse.connect(boost::bind(&SOCKS5BytestreamProxyFinder::handleProxyResponse, this, request, _1, _2));
pendingRequests.insert(request);
request->send();
}
void SOCKS5BytestreamProxyFinder::handleServiceFound(const JID& jid, std::shared_ptr<DiscoInfo> discoInfo) {
if (discoInfo->hasFeature(DiscoInfo::Bytestream)) {
sendBytestreamQuery(jid);
}
}
void SOCKS5BytestreamProxyFinder::handleWalkEnded() {
if (pendingRequests.empty()) {
onProxiesFound(proxyHosts);
}
}
void SOCKS5BytestreamProxyFinder::handleProxyResponse(std::shared_ptr<GenericRequest<S5BProxyRequest> > requester, std::shared_ptr<S5BProxyRequest> request, ErrorPayload::ref error) {
requester->onResponse.disconnect(boost::bind(&SOCKS5BytestreamProxyFinder::handleProxyResponse, this, requester, _1, _2));
pendingRequests.erase(requester);
if (error) {
SWIFT_LOG(debug) << "ERROR";
} else {
if (request) {
SWIFT_LOG(debug) << "add request";
proxyHosts.push_back(request);
}
}
if (pendingRequests.empty() && !serviceWalker->isActive()) {
onProxiesFound(proxyHosts);
}
}
}
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Swift