286 lines
12 KiB
C++
286 lines
12 KiB
C++
// Transport includes
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#include "transport/config.h"
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#include "transport/networkplugin.h"
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#include "transport/logging.h"
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// Swiften
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#include "Swiften/Swiften.h"
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#ifndef WIN32
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// for signal handler
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#include "unistd.h"
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#include "signal.h"
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#include "sys/wait.h"
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#include "sys/signal.h"
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#endif
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#ifndef __FreeBSD__
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// malloc_trim
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#include "malloc.h"
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#endif
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// Boost
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#include <boost/algorithm/string.hpp>
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using namespace boost::filesystem;
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using namespace boost::program_options;
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using namespace Transport;
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DEFINE_LOGGER(logger, "Swiften");
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// eventloop
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Swift::SimpleEventLoop *loop_;
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// Plugins
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class SwiftenPlugin;
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SwiftenPlugin *np = NULL;
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class SwiftenPlugin : public NetworkPlugin {
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public:
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Swift::BoostNetworkFactories *m_factories;
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Swift::BoostIOServiceThread m_boostIOServiceThread;
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boost::shared_ptr<Swift::Connection> m_conn;
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SwiftenPlugin(Config *config, Swift::SimpleEventLoop *loop, const std::string &host, int port) : NetworkPlugin() {
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this->config = config;
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m_factories = new Swift::BoostNetworkFactories(loop);
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m_conn = m_factories->getConnectionFactory()->createConnection();
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m_conn->onDataRead.connect(boost::bind(&SwiftenPlugin::_handleDataRead, this, _1));
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m_conn->connect(Swift::HostAddressPort(Swift::HostAddress(host), port));
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LOG4CXX_INFO(logger, "Starting the plugin.");
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}
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// NetworkPlugin uses this method to send the data to networkplugin server
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void sendData(const std::string &string) {
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m_conn->write(Swift::createSafeByteArray(string));
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}
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// This method has to call handleDataRead with all received data from network plugin server
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void _handleDataRead(boost::shared_ptr<Swift::SafeByteArray> data) {
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std::string d(data->begin(), data->end());
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handleDataRead(d);
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}
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void handleSwiftDisconnected(const std::string &user, const boost::optional<Swift::ClientError> &error) {
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std::string message = "";
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if (error) {
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switch(error->getType()) {
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case Swift::ClientError::UnknownError: message = ("Unknown Error"); break;
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case Swift::ClientError::DomainNameResolveError: message = ("Unable to find server"); break;
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case Swift::ClientError::ConnectionError: message = ("Error connecting to server"); break;
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case Swift::ClientError::ConnectionReadError: message = ("Error while receiving server data"); break;
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case Swift::ClientError::ConnectionWriteError: message = ("Error while sending data to the server"); break;
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case Swift::ClientError::XMLError: message = ("Error parsing server data"); break;
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case Swift::ClientError::AuthenticationFailedError: message = ("Login/password invalid"); break;
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case Swift::ClientError::CompressionFailedError: message = ("Error while compressing stream"); break;
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case Swift::ClientError::ServerVerificationFailedError: message = ("Server verification failed"); break;
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case Swift::ClientError::NoSupportedAuthMechanismsError: message = ("Authentication mechanisms not supported"); break;
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case Swift::ClientError::UnexpectedElementError: message = ("Unexpected response"); break;
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case Swift::ClientError::ResourceBindError: message = ("Error binding resource"); break;
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case Swift::ClientError::SessionStartError: message = ("Error starting session"); break;
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case Swift::ClientError::StreamError: message = ("Stream error"); break;
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case Swift::ClientError::TLSError: message = ("Encryption error"); break;
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case Swift::ClientError::ClientCertificateLoadError: message = ("Error loading certificate (Invalid password?)"); break;
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case Swift::ClientError::ClientCertificateError: message = ("Certificate not authorized"); break;
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case Swift::ClientError::UnknownCertificateError: message = ("Unknown certificate"); break;
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case Swift::ClientError::CertificateExpiredError: message = ("Certificate has expired"); break;
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case Swift::ClientError::CertificateNotYetValidError: message = ("Certificate is not yet valid"); break;
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case Swift::ClientError::CertificateSelfSignedError: message = ("Certificate is self-signed"); break;
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case Swift::ClientError::CertificateRejectedError: message = ("Certificate has been rejected"); break;
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case Swift::ClientError::CertificateUntrustedError: message = ("Certificate is not trusted"); break;
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case Swift::ClientError::InvalidCertificatePurposeError: message = ("Certificate cannot be used for encrypting your connection"); break;
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case Swift::ClientError::CertificatePathLengthExceededError: message = ("Certificate path length constraint exceeded"); break;
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case Swift::ClientError::InvalidCertificateSignatureError: message = ("Invalid certificate signature"); break;
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case Swift::ClientError::InvalidCAError: message = ("Invalid Certificate Authority"); break;
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case Swift::ClientError::InvalidServerIdentityError: message = ("Certificate does not match the host identity"); break;
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}
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}
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LOG4CXX_INFO(logger, user << ": Disconnected " << message);
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handleDisconnected(user, 3, message);
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boost::shared_ptr<Swift::Client> client = m_users[user];
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if (client) {
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client->onConnected.disconnect(boost::bind(&SwiftenPlugin::handleSwiftConnected, this, user));
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client->onDisconnected.disconnect(boost::bind(&SwiftenPlugin::handleSwiftDisconnected, this, user, _1));
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client->onMessageReceived.disconnect(boost::bind(&SwiftenPlugin::handleSwiftMessageReceived, this, user, _1));
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m_users.erase(user);
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}
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#ifndef WIN32
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#ifndef __FreeBSD__
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// force returning of memory chunks allocated by libxml2 to kernel
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malloc_trim(0);
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#endif
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#endif
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}
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void handleSwiftConnected(const std::string &user) {
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LOG4CXX_INFO(logger, user << ": Connected to XMPP server.");
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handleConnected(user);
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m_users[user]->requestRoster();
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Swift::Presence::ref response = Swift::Presence::create();
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response->setFrom(m_users[user]->getJID());
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m_users[user]->sendPresence(response);
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}
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void handleSwiftRosterReceived(const std::string &user) {
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Swift::PresenceOracle *oracle = m_users[user]->getPresenceOracle();
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BOOST_FOREACH(const Swift::XMPPRosterItem &item, m_users[user]->getRoster()->getItems()) {
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Swift::Presence::ref lastPresence = oracle->getLastPresence(item.getJID());
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pbnetwork::StatusType status = lastPresence ? ((pbnetwork::StatusType) lastPresence->getShow()) : pbnetwork::STATUS_NONE;
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handleBuddyChanged(user, item.getJID().toBare().toString(),
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item.getName(), item.getGroups(), status);
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}
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}
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void handleSwiftPresenceChanged(const std::string &user, Swift::Presence::ref presence) {
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LOG4CXX_INFO(logger, user << ": " << presence->getFrom().toBare().toString() << " presence changed");
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std::string message = presence->getStatus();
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std::string photo = "";
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boost::shared_ptr<Swift::VCardUpdate> update = presence->getPayload<Swift::VCardUpdate>();
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if (update) {
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photo = update->getPhotoHash();
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}
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boost::optional<Swift::XMPPRosterItem> item = m_users[user]->getRoster()->getItem(presence->getFrom());
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if (item) {
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handleBuddyChanged(user, presence->getFrom().toBare().toString(), item->getName(), item->getGroups(), (pbnetwork::StatusType) presence->getShow(), message, photo);
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}
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else {
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std::vector<std::string> groups;
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handleBuddyChanged(user, presence->getFrom().toBare().toString(), presence->getFrom().toBare(), groups, (pbnetwork::StatusType) presence->getShow(), message, photo);
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}
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}
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void handleSwiftMessageReceived(const std::string &user, Swift::Message::ref message) {
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std::string body = message->getBody();
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boost::shared_ptr<Swift::Client> client = m_users[user];
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if (client) {
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handleMessage(user, message->getFrom().toBare().toString(), body, "", "");
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}
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}
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void handleSwiftVCardReceived(const std::string &user, unsigned int id, Swift::VCard::ref vcard, Swift::ErrorPayload::ref error) {
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if (error || !vcard) {
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LOG4CXX_INFO(logger, user << ": error fetching VCard with id=" << id);
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handleVCard(user, id, "", "", "", "");
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return;
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}
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LOG4CXX_INFO(logger, user << ": VCard fetched - id=" << id);
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std::string photo((const char *)&vcard->getPhoto()[0], vcard->getPhoto().size());
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handleVCard(user, id, vcard->getFullName(), vcard->getFullName(), vcard->getNickname(), photo);
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}
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void handleLoginRequest(const std::string &user, const std::string &legacyName, const std::string &password) {
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LOG4CXX_INFO(logger, user << ": connecting as " << legacyName);
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boost::shared_ptr<Swift::Client> client = boost::make_shared<Swift::Client>(Swift::JID(legacyName), password, m_factories);
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m_users[user] = client;
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client->setAlwaysTrustCertificates();
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client->onConnected.connect(boost::bind(&SwiftenPlugin::handleSwiftConnected, this, user));
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client->onDisconnected.connect(boost::bind(&SwiftenPlugin::handleSwiftDisconnected, this, user, _1));
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client->onMessageReceived.connect(boost::bind(&SwiftenPlugin::handleSwiftMessageReceived, this, user, _1));
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client->getRoster()->onInitialRosterPopulated.connect(boost::bind(&SwiftenPlugin::handleSwiftRosterReceived, this, user));
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client->getPresenceOracle()->onPresenceChange.connect(boost::bind(&SwiftenPlugin::handleSwiftPresenceChanged, this, user, _1));
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Swift::ClientOptions opt;
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opt.allowPLAINWithoutTLS = true;
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client->connect(opt);
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}
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void handleLogoutRequest(const std::string &user, const std::string &legacyName) {
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boost::shared_ptr<Swift::Client> client = m_users[user];
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if (client) {
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client->onConnected.disconnect(boost::bind(&SwiftenPlugin::handleSwiftConnected, this, user));
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// client->onDisconnected.disconnect(boost::bind(&SwiftenPlugin::handleSwiftDisconnected, this, user, _1));
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client->onMessageReceived.disconnect(boost::bind(&SwiftenPlugin::handleSwiftMessageReceived, this, user, _1));
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client->getRoster()->onInitialRosterPopulated.disconnect(boost::bind(&SwiftenPlugin::handleSwiftRosterReceived, this, user));
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client->getPresenceOracle()->onPresenceChange.disconnect(boost::bind(&SwiftenPlugin::handleSwiftPresenceChanged, this, user, _1));
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client->disconnect();
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}
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}
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void handleMessageSendRequest(const std::string &user, const std::string &legacyName, const std::string &msg, const std::string &xhtml = "") {
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LOG4CXX_INFO(logger, "Sending message from " << user << " to " << legacyName << ".");
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boost::shared_ptr<Swift::Client> client = m_users[user];
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if (client) {
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boost::shared_ptr<Swift::Message> message(new Swift::Message());
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message->setTo(Swift::JID(legacyName));
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message->setFrom(client->getJID());
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message->setBody(msg);
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client->sendMessage(message);
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}
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}
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void handleVCardRequest(const std::string &user, const std::string &legacyName, unsigned int id) {
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boost::shared_ptr<Swift::Client> client = m_users[user];
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if (client) {
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LOG4CXX_INFO(logger, user << ": fetching VCard of " << legacyName << " id=" << id);
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Swift::GetVCardRequest::ref request = Swift::GetVCardRequest::create(Swift::JID(legacyName), client->getIQRouter());
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request->onResponse.connect(boost::bind(&SwiftenPlugin::handleSwiftVCardReceived, this, user, id, _1, _2));
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request->send();
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}
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}
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void handleBuddyUpdatedRequest(const std::string &user, const std::string &buddyName, const std::string &alias, const std::vector<std::string> &groups) {
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LOG4CXX_INFO(logger, user << ": Added/Updated buddy " << buddyName << ".");
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// handleBuddyChanged(user, buddyName, alias, groups, pbnetwork::STATUS_ONLINE);
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}
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void handleBuddyRemovedRequest(const std::string &user, const std::string &buddyName, const std::vector<std::string> &groups) {
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}
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private:
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Config *config;
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std::map<std::string, boost::shared_ptr<Swift::Client> > m_users;
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};
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#ifndef WIN32
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static void spectrum_sigchld_handler(int sig)
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{
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int status;
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pid_t pid;
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do {
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pid = waitpid(-1, &status, WNOHANG);
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} while (pid != 0 && pid != (pid_t)-1);
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if ((pid == (pid_t) - 1) && (errno != ECHILD)) {
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char errmsg[BUFSIZ];
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snprintf(errmsg, BUFSIZ, "Warning: waitpid() returned %d", pid);
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perror(errmsg);
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}
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}
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#endif
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int main (int argc, char* argv[]) {
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std::string host;
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int port;
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#ifndef WIN32
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if (signal(SIGCHLD, spectrum_sigchld_handler) == SIG_ERR) {
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std::cout << "SIGCHLD handler can't be set\n";
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return -1;
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}
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#endif
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std::string error;
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Config *cfg = Config::createFromArgs(argc, argv, error, host, port);
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if (cfg == NULL) {
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std::cerr << error;
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return 1;
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}
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Logging::initBackendLogging(cfg);
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Swift::SimpleEventLoop eventLoop;
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loop_ = &eventLoop;
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np = new SwiftenPlugin(cfg, &eventLoop, host, port);
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loop_->run();
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return 0;
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}
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