#include "core.h"
#include "coresession.h"
#include "coresettings.h"
+#include "postgresqlstorage.h"
#include "quassel.h"
#include "signalproxy.h"
#include "sqlitestorage.h"
// migration related
#include <QFile>
-
+#ifdef Q_OS_WIN32
+# include <windows.h>
+#else
+# include <unistd.h>
+# include <termios.h>
+#endif /* Q_OS_WIN32 */
+
+// umask
+#ifndef Q_OS_WIN32
+# include <sys/types.h>
+# include <sys/stat.h>
+#endif /* Q_OS_WIN32 */
+
+// ==============================
+// Custom Events
+// ==============================
+const int Core::AddClientEventId = QEvent::registerEventType();
+
+class AddClientEvent : public QEvent {
+public:
+ AddClientEvent(QTcpSocket *socket, UserId uid) : QEvent(QEvent::Type(Core::AddClientEventId)), socket(socket), userId(uid) {}
+ QTcpSocket *socket;
+ UserId userId;
+};
+
+
+// ==============================
+// Core
+// ==============================
Core *Core::instanceptr = 0;
Core *Core::instance() {
instanceptr = 0;
}
-Core::Core() : storage(0) {
+Core::Core()
+ : _storage(0)
+{
+#ifndef Q_OS_WIN32
+ umask(S_IRWXG | S_IRWXO);
+#endif /* Q_OS_WIN32 */
_startTime = QDateTime::currentDateTime().toUTC(); // for uptime :)
Quassel::loadTranslation(QLocale::system());
exit(EXIT_FAILURE);
}
- // Register storage backends here!
- registerStorageBackend(new SqliteStorage(this));
+ registerStorageBackends();
- if(!_storageBackends.count()) {
- qWarning() << qPrintable(tr("Could not initialize any storage backend! Exiting..."));
- qWarning() << qPrintable(tr("Currently, Quassel only supports SQLite3. You need to build your\n"
- "Qt library with the sqlite plugin enabled in order for quasselcore\n"
- "to work."));
- exit(1); // TODO make this less brutal (especially for mono client -> popup)
- }
connect(&_storageSyncTimer, SIGNAL(timeout()), this, SLOT(syncStorage()));
_storageSyncTimer.start(10 * 60 * 1000); // 10 minutes
}
void Core::init() {
- configured = false;
-
CoreSettings cs;
+ _configured = initStorage(cs.storageSettings().toMap());
- if(!(configured = initStorage(cs.storageSettings().toMap()))) {
+ if(Quassel::isOptionSet("select-backend")) {
+ selectBackend(Quassel::optionValue("select-backend"));
+ exit(0);
+ }
+
+ if(!_configured) {
+ if(!_storageBackends.count()) {
+ qWarning() << qPrintable(tr("Could not initialize any storage backend! Exiting..."));
+ qWarning() << qPrintable(tr("Currently, Quassel supports SQLite3 and PostgreSQL. You need to build your\n"
+ "Qt library with the sqlite or postgres plugin enabled in order for quasselcore\n"
+ "to work."));
+ exit(1); // TODO make this less brutal (especially for mono client -> popup)
+ }
qWarning() << "Core is currently not configured! Please connect with a Quassel Client for basic setup.";
+ }
+
+ if(Quassel::isOptionSet("add-user")) {
+ createUser();
+ exit(0);
+ }
+ if(Quassel::isOptionSet("change-userpass")) {
+ changeUserPass(Quassel::optionValue("change-userpass"));
+ exit(0);
}
connect(&_server, SIGNAL(newConnection()), this, SLOT(incomingConnection()));
}
Core::~Core() {
- _server.close();
- _v6server.close();
foreach(QTcpSocket *socket, blocksizes.keys()) {
socket->disconnectFromHost(); // disconnect non authed clients
}
-
-
- foreach(SessionThread *session, sessions) {
- session->stopSession();
- session->wait();
- delete session;
- qDebug() << "next";
- }
-
-// qDeleteAll(sessions);
+ qDeleteAll(sessions);
qDeleteAll(_storageBackends);
}
}
void Core::restoreState() {
- if(!instance()->configured) {
+ if(!instance()->_configured) {
// qWarning() << qPrintable(tr("Cannot restore a state for an unconfigured core!"));
return;
}
if(user.isEmpty() || password.isEmpty()) {
return tr("Admin user or password not set.");
}
- if(!initStorage(setupData, true)) {
+ _configured = initStorage(setupData, true);
+ if(!_configured) {
return tr("Could not setup storage!");
}
CoreSettings s;
s.setStorageSettings(setupData);
quInfo() << qPrintable(tr("Creating admin user..."));
- storage->addUser(user, password);
+ _storage->addUser(user, password);
startListening(); // TODO check when we need this
return QString();
}
/*** Storage Handling ***/
+void Core::registerStorageBackends() {
+ // Register storage backends here!
+ registerStorageBackend(new SqliteStorage(this));
+ registerStorageBackend(new PostgreSqlStorage(this));
+}
bool Core::registerStorageBackend(Storage *backend) {
if(backend->isAvailable()) {
}
}
+void Core::unregisterStorageBackends() {
+ foreach(Storage *s, _storageBackends.values()) {
+ s->deleteLater();
+ }
+ _storageBackends.clear();
+}
+
void Core::unregisterStorageBackend(Storage *backend) {
_storageBackends.remove(backend->displayName());
backend->deleteLater();
// old db settings:
// "Type" => "sqlite"
-bool Core::initStorage(QVariantMap dbSettings, bool setup) {
- QString backend = dbSettings["Backend"].toString();
+bool Core::initStorage(const QString &backend, QVariantMap settings, bool setup) {
+ _storage = 0;
+
if(backend.isEmpty()) {
- //qWarning() << "No storage backend selected!";
- return configured = false;
+ return false;
}
+ Storage *storage = 0;
if(_storageBackends.contains(backend)) {
storage = _storageBackends[backend];
} else {
qCritical() << "Selected storage backend is not available:" << backend;
- return configured = false;
- }
- if(!storage->init(dbSettings)) {
- if(!setup || !(storage->setup(dbSettings) && storage->init(dbSettings))) {
- qCritical() << "Could not init storage!";
- storage = 0;
- return configured = false;
- }
+ return false;
}
- // delete all other backends
- foreach(Storage *s, _storageBackends.values()) {
- if(s != storage) s->deleteLater();
+
+ Storage::State storageState = storage->init(settings);
+ switch(storageState) {
+ case Storage::NeedsSetup:
+ if(!setup)
+ return false; // trigger setup process
+ if(storage->setup(settings))
+ return initStorage(backend, settings, false);
+ // if setup wasn't successfull we mark the backend as unavailable
+ case Storage::NotAvailable:
+ qCritical() << "Selected storage backend is not available:" << backend;
+ storage->deleteLater();
+ _storageBackends.remove(backend);
+ storage = 0;
+ return false;
+ case Storage::IsReady:
+ // delete all other backends
+ _storageBackends.remove(backend);
+ unregisterStorageBackends();
+ connect(storage, SIGNAL(bufferInfoUpdated(UserId, const BufferInfo &)), this, SIGNAL(bufferInfoUpdated(UserId, const BufferInfo &)));
}
- _storageBackends.clear();
+ _storage = storage;
+ return true;
+}
- connect(storage, SIGNAL(bufferInfoUpdated(UserId, const BufferInfo &)), this, SIGNAL(bufferInfoUpdated(UserId, const BufferInfo &)));
- return configured = true;
+bool Core::initStorage(QVariantMap dbSettings, bool setup) {
+ return initStorage(dbSettings["Backend"].toString(), dbSettings["ConnectionProperties"].toMap(), setup);
}
+
void Core::syncStorage() {
- if(storage) storage->sync();
+ if(_storage)
+ _storage->sync();
}
/*** Storage Access ***/
bool Core::createNetwork(UserId user, NetworkInfo &info) {
- NetworkId networkId = instance()->storage->createNetwork(user, info);
+ NetworkId networkId = instance()->_storage->createNetwork(user, info);
if(!networkId.isValid())
return false;
blocksizes.insert(socket, (quint32)0);
quInfo() << qPrintable(tr("Client connected from")) << qPrintable(socket->peerAddress().toString());
- if(!configured) {
+ if(!_configured) {
stopListening(tr("Closing server for basic setup."));
}
}
socket->close(); return;
}
+ reply["ProtocolVersion"] = Quassel::buildInfo().protocolVersion;
reply["CoreVersion"] = Quassel::buildInfo().fancyVersionString;
reply["CoreDate"] = Quassel::buildInfo().buildDate;
- reply["ProtocolVersion"] = Quassel::buildInfo().protocolVersion;
- // TODO: Make the core info configurable
+ reply["CoreStartTime"] = startTime(); // v10 clients don't necessarily parse this, see below
+
+ // FIXME: newer clients no longer use the hardcoded CoreInfo (for now), since it gets the
+ // time zone wrong. With the next protocol bump (10 -> 11), we should remove this
+ // or make it properly configurable.
+
int uptime = startTime().secsTo(QDateTime::currentDateTime().toUTC());
int updays = uptime / 86400; uptime %= 86400;
int uphours = uptime / 3600; uptime %= 3600;
reply["LoginEnabled"] = true;
// check if we are configured, start wizard otherwise
- if(!configured) {
+ if(!_configured) {
reply["Configured"] = false;
QList<QVariant> backends;
foreach(Storage *backend, _storageBackends.values()) {
QVariantMap v;
v["DisplayName"] = backend->displayName();
v["Description"] = backend->description();
+ v["SetupKeys"] = backend->setupKeys();
+ v["SetupDefaults"] = backend->setupDefaults();
backends.append(v);
}
reply["StorageBackends"] = backends;
clientInfo[socket] = msg; // store for future reference
reply["MsgType"] = "ClientInitAck";
SignalProxy::writeDataToDevice(socket, reply);
+ socket->flush(); // ensure that the write cache is flushed before we switch to ssl
#ifdef HAVE_SSL
// after we told the client that we are ssl capable we switch to ssl mode
SignalProxy::writeDataToDevice(socket, reply);
} else if(msg["MsgType"] == "ClientLogin") {
QVariantMap reply;
- UserId uid = storage->validateUser(msg["User"].toString(), msg["Password"].toString());
+ UserId uid = _storage->validateUser(msg["User"].toString(), msg["Password"].toString());
if(uid == 0) {
reply["MsgType"] = "ClientLoginReject";
reply["Error"] = tr("<b>Invalid username or password!</b><br>The username/password combination you supplied could not be found in the database.");
// make server listen again if still not configured
- if (!configured) {
+ if (!_configured) {
startListening();
}
}
void Core::setupClientSession(QTcpSocket *socket, UserId uid) {
- // Find or create session for validated user
- SessionThread *sess;
- if(sessions.contains(uid)) sess = sessions[uid];
- else sess = createSession(uid);
- // Hand over socket, session then sends state itself
+ // From now on everything is handled by the client session
disconnect(socket, 0, this, 0);
+ socket->flush();
blocksizes.remove(socket);
clientInfo.remove(socket);
- if(!sess) {
- qWarning() << qPrintable(tr("Could not initialize session for client:")) << qPrintable(socket->peerAddress().toString());
+
+ // Find or create session for validated user
+ SessionThread *session;
+ if(sessions.contains(uid)) {
+ session = sessions[uid];
+ } else {
+ session = createSession(uid);
+ if(!session) {
+ qWarning() << qPrintable(tr("Could not initialize session for client:")) << qPrintable(socket->peerAddress().toString());
+ socket->close();
+ return;
+ }
+ }
+
+ // as we are currently handling an event triggered by incoming data on this socket
+ // it is unsafe to directly move the socket to the client thread.
+ QCoreApplication::postEvent(this, new AddClientEvent(socket, uid));
+}
+
+void Core::customEvent(QEvent *event) {
+ if(event->type() == AddClientEventId) {
+ AddClientEvent *addClientEvent = static_cast<AddClientEvent *>(event);
+ addClientHelper(addClientEvent->socket, addClientEvent->userId);
+ return;
+ }
+}
+
+void Core::addClientHelper(QTcpSocket *socket, UserId uid) {
+ // Find or create session for validated user
+ if(!sessions.contains(uid)) {
+ qWarning() << qPrintable(tr("Could not find a session for client:")) << qPrintable(socket->peerAddress().toString());
socket->close();
+ return;
}
- sess->addClient(socket);
+
+ SessionThread *session = sessions[uid];
+ session->addClient(socket);
}
void Core::setupInternalClientSession(SignalProxy *proxy) {
- if(!configured) {
+ if(!_configured) {
stopListening();
setupCoreForInternalUsage();
}
- UserId uid = storage->internalUser();
+ UserId uid;
+ if(_storage) {
+ uid = _storage->internalUser();
+ } else {
+ qWarning() << "Core::setupInternalClientSession(): You're trying to run monolithic Quassel with an unusable Backend! Go fix it!";
+ return;
+ }
// Find or create session for validated user
SessionThread *sess;
if(socket && err != QAbstractSocket::RemoteHostClosedError)
qWarning() << "Core::socketError()" << socket << err << socket->errorString();
}
+
+// migration / backend selection
+bool Core::selectBackend(const QString &backend) {
+ // reregister all storage backends
+ registerStorageBackends();
+ if(!_storageBackends.contains(backend)) {
+ qWarning() << qPrintable(QString("Core::selectBackend(): unsupported backend: %1").arg(backend));
+ qWarning() << " supported backends are:" << qPrintable(QStringList(_storageBackends.keys()).join(", "));
+ return false;
+ }
+
+ Storage *storage = _storageBackends[backend];
+ QVariantMap settings = promptForSettings(storage);
+
+ Storage::State storageState = storage->init(settings);
+ switch(storageState) {
+ case Storage::IsReady:
+ saveBackendSettings(backend, settings);
+ qWarning() << "Switched backend to:" << qPrintable(backend);
+ qWarning() << "Backend already initialized. Skipping Migration";
+ return true;
+ case Storage::NotAvailable:
+ qCritical() << "Backend is not available:" << qPrintable(backend);
+ return false;
+ case Storage::NeedsSetup:
+ if(!storage->setup(settings)) {
+ qWarning() << qPrintable(QString("Core::selectBackend(): unable to setup backend: %1").arg(backend));
+ return false;
+ }
+
+ if(storage->init(settings) != Storage::IsReady) {
+ qWarning() << qPrintable(QString("Core::migrateBackend(): unable to initialize backend: %1").arg(backend));
+ return false;
+ }
+
+ saveBackendSettings(backend, settings);
+ qWarning() << "Switched backend to:" << qPrintable(backend);
+ break;
+ }
+
+ // let's see if we have a current storage object we can migrate from
+ AbstractSqlMigrationReader *reader = getMigrationReader(_storage);
+ AbstractSqlMigrationWriter *writer = getMigrationWriter(storage);
+ if(reader && writer) {
+ qDebug() << qPrintable(QString("Migrating Storage backend %1 to %2...").arg(_storage->displayName(), storage->displayName()));
+ delete _storage;
+ _storage = 0;
+ delete storage;
+ storage = 0;
+ if(reader->migrateTo(writer)) {
+ qDebug() << "Migration finished!";
+ saveBackendSettings(backend, settings);
+ return true;
+ }
+ return false;
+ qWarning() << qPrintable(QString("Core::migrateDb(): unable to migrate storage backend! (No migration writer for %1)").arg(backend));
+ }
+
+ // inform the user why we cannot merge
+ if(!_storage) {
+ qWarning() << "No currently active backend. Skipping migration.";
+ } else if(!reader) {
+ qWarning() << "Currently active backend does not support migration:" << qPrintable(_storage->displayName());
+ }
+ if(writer) {
+ qWarning() << "New backend does not support migration:" << qPrintable(backend);
+ }
+
+ // so we were unable to merge, but let's create a user \o/
+ _storage = storage;
+ createUser();
+ return true;
+}
+
+void Core::createUser() {
+ QTextStream out(stdout);
+ QTextStream in(stdin);
+ out << "Add a new user:" << endl;
+ out << "Username: ";
+ out.flush();
+ QString username = in.readLine().trimmed();
+
+ disableStdInEcho();
+ out << "Password: ";
+ out.flush();
+ QString password = in.readLine().trimmed();
+ out << endl;
+ out << "Repeat Password: ";
+ out.flush();
+ QString password2 = in.readLine().trimmed();
+ out << endl;
+ enableStdInEcho();
+
+ if(password != password2) {
+ qWarning() << "Passwords don't match!";
+ return;
+ }
+ if(password.isEmpty()) {
+ qWarning() << "Password is empty!";
+ return;
+ }
+
+ if(_storage->addUser(username, password).isValid()) {
+ out << "Added user " << username << " successfully!" << endl;
+ } else {
+ qWarning() << "Unable to add user:" << qPrintable(username);
+ }
+}
+
+void Core::changeUserPass(const QString &username) {
+ QTextStream out(stdout);
+ QTextStream in(stdin);
+ UserId userId = _storage->getUserId(username);
+ if(!userId.isValid()) {
+ out << "User " << username << " does not exist." << endl;
+ return;
+ }
+
+ out << "Change password for user: " << username << endl;
+
+ disableStdInEcho();
+ out << "New Password: ";
+ out.flush();
+ QString password = in.readLine().trimmed();
+ out << endl;
+ out << "Repeat Password: ";
+ out.flush();
+ QString password2 = in.readLine().trimmed();
+ out << endl;
+ enableStdInEcho();
+
+ if(password != password2) {
+ qWarning() << "Passwords don't match!";
+ return;
+ }
+ if(password.isEmpty()) {
+ qWarning() << "Password is empty!";
+ return;
+ }
+
+ if(_storage->updateUser(userId, password)) {
+ out << "Password changed successfuly!" << endl;
+ } else {
+ qWarning() << "Failed to change password!";
+ }
+}
+
+AbstractSqlMigrationReader *Core::getMigrationReader(Storage *storage) {
+ if(!storage)
+ return 0;
+
+ AbstractSqlStorage *sqlStorage = qobject_cast<AbstractSqlStorage *>(storage);
+ if(!sqlStorage) {
+ qDebug() << "Core::migrateDb(): only SQL based backends can be migrated!";
+ return 0;
+ }
+
+ return sqlStorage->createMigrationReader();
+}
+
+AbstractSqlMigrationWriter *Core::getMigrationWriter(Storage *storage) {
+ if(!storage)
+ return 0;
+
+ AbstractSqlStorage *sqlStorage = qobject_cast<AbstractSqlStorage *>(storage);
+ if(!sqlStorage) {
+ qDebug() << "Core::migrateDb(): only SQL based backends can be migrated!";
+ return 0;
+ }
+
+ return sqlStorage->createMigrationWriter();
+}
+
+void Core::saveBackendSettings(const QString &backend, const QVariantMap &settings) {
+ QVariantMap dbsettings;
+ dbsettings["Backend"] = backend;
+ dbsettings["ConnectionProperties"] = settings;
+ CoreSettings().setStorageSettings(dbsettings);
+}
+
+QVariantMap Core::promptForSettings(const Storage *storage) {
+ QVariantMap settings;
+
+ QStringList keys = storage->setupKeys();
+ if(keys.isEmpty())
+ return settings;
+
+ QTextStream out(stdout);
+ QTextStream in(stdin);
+ out << "Default values are in brackets" << endl;
+
+ QVariantMap defaults = storage->setupDefaults();
+ QString value;
+ foreach(QString key, keys) {
+ QVariant val;
+ if(defaults.contains(key)) {
+ val = defaults[key];
+ }
+ out << key;
+ if(!val.toString().isEmpty()) {
+ out << " (" << val.toString() << ")";
+ }
+ out << ": ";
+ out.flush();
+
+ bool noEcho = QString("password").toLower().startsWith(key.toLower());
+ if(noEcho) {
+ disableStdInEcho();
+ }
+ value = in.readLine().trimmed();
+ if(noEcho) {
+ out << endl;
+ enableStdInEcho();
+ }
+
+ if(!value.isEmpty()) {
+ switch(defaults[key].type()) {
+ case QVariant::Int:
+ val = QVariant(value.toInt());
+ break;
+ default:
+ val = QVariant(value);
+ }
+ }
+ settings[key] = val;
+ }
+ return settings;
+}
+
+
+#ifdef Q_OS_WIN32
+void Core::stdInEcho(bool on) {
+ HANDLE hStdin = GetStdHandle(STD_INPUT_HANDLE);
+ DWORD mode = 0;
+ GetConsoleMode(hStdin, &mode);
+ if(on)
+ mode |= ENABLE_ECHO_INPUT;
+ else
+ mode &= ~ENABLE_ECHO_INPUT;
+ SetConsoleMode(hStdin, mode);
+}
+#else
+void Core::stdInEcho(bool on) {
+ termios t;
+ tcgetattr(STDIN_FILENO, &t);
+ if(on)
+ t.c_lflag |= ECHO;
+ else
+ t.c_lflag &= ~ECHO;
+ tcsetattr(STDIN_FILENO, TCSANOW, &t);
+}
+#endif /* Q_OS_WIN32 */