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/**
* XMPP - libpurple transport
*
* Copyright (C) 2012, Jan Kaluza <hanzz@soc.pidgin.im>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02111-1301 USA
*/
#include "adhocmanager.h"
#include "adhoccommandfactory.h"
#include "discoitemsresponder.h"
#include "transport/UserManager.h"
#include "transport/User.h"
#include "transport/Logging.h"
#include "transport/StorageBackend.h"
#include "transport/Transport.h"
#include "transport/Config.h"
#include "XMPPFrontend.h"
namespace Transport {
DEFINE_LOGGER(adHocManagerLogger, "AdHocManager");
AdHocManager::AdHocManager(Component *component, DiscoItemsResponder *discoItemsResponder, UserManager *userManager, StorageBackend *storageBackend) : Swift::Responder<Swift::Command>(static_cast<XMPPFrontend *>(component->getFrontend())->getIQRouter()){
m_component = component;
m_discoItemsResponder = discoItemsResponder;
m_userManager = userManager;
m_storageBackend = storageBackend;
m_collectTimer = m_component->getNetworkFactories()->getTimerFactory()->createTimer(20);
m_collectTimer->onTick.connect(boost::bind(&AdHocManager::removeOldSessions, this));
m_collectTimer->start();
m_userManager->onUserCreated.connect(boost::bind(&AdHocManager::handleUserCreated, this, _1));
}
AdHocManager::~AdHocManager() {
m_collectTimer->stop();
stop();
}
void AdHocManager::start() {
Swift::Responder<Swift::Command>::start();
}
void AdHocManager::stop() {
Swift::Responder<Swift::Command>::stop();
for (SessionsMap::iterator it = m_sessions.begin(); it != m_sessions.end(); it++) {
std::vector<std::string> candidates;
for (CommandsMap::iterator ct = it->second.begin(); ct != it->second.end(); ct++) {
delete ct->second;
}
}
m_sessions.clear();
}
void AdHocManager::handleUserCreated(User *user) {
for (std::map<std::string, AdHocCommandFactory *>::const_iterator it = m_factories.begin(); it != m_factories.end(); it++) {
for (std::map<std::string, std::string>::const_iterator it2 = it->second->getUserSettings().begin(); it2 != it->second->getUserSettings().end(); it2++) {
std::string value = CONFIG_STRING_DEFAULTED(m_component->getConfig(), it->second->getNode() + "." + it2->first, it2->second);
if (it2->second == "true" || it2->second == "1" || it2->second == "false" || it2->second == "0") {
value = CONFIG_BOOL_DEFAULTED(m_component->getConfig(), it->second->getNode() + "." + it2->first, it2->second == "true" || it2->second == "1") ? "1" : "0";
}
if (m_storageBackend) {
int type = (int) TYPE_BOOLEAN;
m_storageBackend->getUserSetting(user->getUserInfo().id, it2->first, type, value);
}
user->addUserSetting(it2->first, value);
}
}
}
void AdHocManager::addAdHocCommand(AdHocCommandFactory *factory) {
if (m_factories.find(factory->getNode()) != m_factories.end()) {
LOG4CXX_ERROR(adHocManagerLogger, "Command with node " << factory->getNode() << " is already registered. Ignoring this attempt.");
return;
}
m_factories[factory->getNode()] = factory;
m_discoItemsResponder->addAdHocCommand(factory->getNode(), factory->getName());
}
void AdHocManager::removeOldSessions() {
unsigned long removedCommands = 0;
time_t now = time(NULL);
std::vector<std::string> toRemove;
for (SessionsMap::iterator it = m_sessions.begin(); it != m_sessions.end(); it++) {
std::vector<std::string> candidates;
for (CommandsMap::iterator ct = it->second.begin(); ct != it->second.end(); ct++) {
if (now - ct->second->getLastActivity() > 15*60) {
candidates.push_back(it->first);
delete ct->second;
removedCommands++;
}
}
BOOST_FOREACH(std::string &key, candidates) {
it->second.erase(key);
}
if (it->second.empty()) {
toRemove.push_back(it->first);
}
}
BOOST_FOREACH(std::string &key, toRemove) {
m_sessions.erase(key);
}
if (removedCommands > 0) {
LOG4CXX_INFO(adHocManagerLogger, "Removed " << removedCommands << " old commands sessions.");
}
}
bool AdHocManager::handleGetRequest(const Swift::JID& from, const Swift::JID& to, const std::string& id, std::shared_ptr<Swift::Command> payload) {
return false;
}
bool AdHocManager::handleSetRequest(const Swift::JID& from, const Swift::JID& to, const std::string& id, std::shared_ptr<Swift::Command> payload) {
AdHocCommand *command = NULL;
// Try to find AdHocCommand according to 'from' and session_id
if (!payload->getSessionID().empty() && m_sessions.find(from) != m_sessions.end()) {
if (m_sessions[from].find(payload->getSessionID()) != m_sessions[from].end()) {
command = m_sessions[from][payload->getSessionID()];
}
else {
LOG4CXX_ERROR(adHocManagerLogger, from.toString() << ": Unknown session id " << payload->getSessionID() << " - ignoring");
sendError(from, id, Swift::ErrorPayload::BadRequest, Swift::ErrorPayload::Modify);
return true;
}
}
// Check if we can create command with this node
else if (m_factories.find(payload->getNode()) != m_factories.end()) {
command = m_factories[payload->getNode()]->createAdHocCommand(m_component, m_userManager, m_storageBackend, from, to);
m_sessions[from][command->getId()] = command;
LOG4CXX_INFO(adHocManagerLogger, from.toString() << ": Started new AdHoc command session with node " << payload->getNode());
}
else {
LOG4CXX_INFO(adHocManagerLogger, from.toString() << ": Unknown node " << payload->getNode() << ". Can't start AdHoc command session.");
sendError(from, id, Swift::ErrorPayload::BadRequest, Swift::ErrorPayload::Modify);
return true;
}
if (!command) {
LOG4CXX_ERROR(adHocManagerLogger, from.toString() << ": createAdHocCommand for node " << payload->getNode() << " returned NULL pointer");
sendError(from, id, Swift::ErrorPayload::BadRequest, Swift::ErrorPayload::Modify);
return true;
}
std::shared_ptr<Swift::Command> response = command->handleRequest(payload);
if (!response) {
LOG4CXX_ERROR(adHocManagerLogger, from.toString() << ": handleRequest for node " << payload->getNode() << " returned NULL pointer");
sendError(from, id, Swift::ErrorPayload::BadRequest, Swift::ErrorPayload::Modify);
return true;
}
response->setSessionID(command->getId());
sendResponse(from, id, response);
command->refreshLastActivity();
// Command completed, so we can remove it now
if (response->getStatus() == Swift::Command::Completed || response->getStatus() == Swift::Command::Canceled) {
// update userSettings map if user is already connected
User *user = m_userManager->getUser(from.toBare().toString());
if (user) {
handleUserCreated(user);
}
m_sessions[from].erase(command->getId());
if (m_sessions[from].empty()) {
m_sessions.erase(from);
}
delete command;
}
return true;
}
}
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