/**
* @brief Tries to acquire the lock on a profile, will not block.
* @param profile Profile to lock.
* @return Returns true if we already own the lock.
*/
bool ProfileLocker::lock(QString profile)
{
if (lockfile && curLockName == profile)
return true;
QLockFile* newLock = new QLockFile(lockPathFromName(profile));
newLock->setStaleLockTime(0);
if (!newLock->tryLock()) {
delete newLock;
return false;
}
unlock();
lockfile.reset(newLock);
curLockName = profile;
return true;
}
void DatabaseTabWidget::openDatabase(const QString& fileName, const QString& pw,
const QString& keyFile)
{
QFileInfo fileInfo(fileName);
QString canonicalFilePath = fileInfo.canonicalFilePath();
if (canonicalFilePath.isEmpty()) {
MessageBox::warning(this, tr("Warning"), tr("File not found!"));
return;
}
QHashIterator<Database*, DatabaseManagerStruct> i(m_dbList);
while (i.hasNext()) {
i.next();
if (i.value().canonicalFilePath == canonicalFilePath) {
setCurrentIndex(databaseIndex(i.key()));
return;
}
}
DatabaseManagerStruct dbStruct;
// test if we can read/write or read the file
QFile file(fileName);
if (!file.open(QIODevice::ReadWrite)) {
if (!file.open(QIODevice::ReadOnly)) {
MessageBox::warning(this, tr("Error"), tr("Unable to open the database.").append("\n")
.append(file.errorString()));
return;
}
else {
// can only open read-only
dbStruct.readOnly = true;
}
}
file.close();
QLockFile* lockFile = new QLockFile(QString("%1/.%2.lock").arg(fileInfo.canonicalPath(), fileInfo.fileName()));
lockFile->setStaleLockTime(0);
if (!dbStruct.readOnly && !lockFile->tryLock()) {
// for now silently ignore if we can't create a lock file
// due to lack of permissions
if (lockFile->error() != QLockFile::PermissionError) {
QMessageBox::StandardButton result = MessageBox::question(this, tr("Open database"),
tr("The database you are trying to open is locked by another instance of KeePassX.\n"
"Do you want to open it anyway? Alternatively the database is opened read-only."),
QMessageBox::Yes | QMessageBox::No);
if (result == QMessageBox::No) {
dbStruct.readOnly = true;
delete lockFile;
lockFile = nullptr;
}
else {
// take over the lock file if possible
if (lockFile->removeStaleLockFile()) {
lockFile->tryLock();
}
}
}
}
Database* db = new Database();
dbStruct.dbWidget = new DatabaseWidget(db, this);
dbStruct.lockFile = lockFile;
dbStruct.saveToFilename = !dbStruct.readOnly;
dbStruct.filePath = fileInfo.absoluteFilePath();
dbStruct.canonicalFilePath = canonicalFilePath;
dbStruct.fileName = fileInfo.fileName();
insertDatabase(db, dbStruct);
updateLastDatabases(dbStruct.filePath);
if (!pw.isNull() || !keyFile.isEmpty()) {
dbStruct.dbWidget->switchToOpenDatabase(dbStruct.filePath, pw, keyFile);
}
else {
dbStruct.dbWidget->switchToOpenDatabase(dbStruct.filePath);
}
}
static bool initSettings(SettingsFile *settings, QLockFile **lockFile, QString &errorMessage)
{
/* If built in portable mode (default), configuration is stored in the 'config'
* directory next to the binary. If not writable, launching fails.
*
* Portable OS X is an exception. In that case, configuration is stored in a
* 'config.ricochet' folder next to the application bundle, unless the application
* path contains "/Applications", in which case non-portable mode is used.
*
* When not in portable mode, a platform-specific per-user config location is used.
*
* This behavior may be overriden by passing a folder path as the first argument.
*/
QString configPath;
QStringList args = qApp->arguments();
if (args.size() > 1) {
configPath = args[1];
} else {
#ifndef RICOCHET_NO_PORTABLE
# ifdef Q_OS_MAC
if (!qApp->applicationDirPath().contains(QStringLiteral("/Applications"))) {
// Try old configuration path first
configPath = appBundlePath() + QStringLiteral("config.torsion");
if (!QFile::exists(configPath))
configPath = appBundlePath() + QStringLiteral("config.ricochet");
}
# else
configPath = qApp->applicationDirPath() + QStringLiteral("/config");
# endif
#endif
if (configPath.isEmpty())
configPath = userConfigPath();
}
QDir dir(configPath);
if (!dir.exists() && !dir.mkpath(QStringLiteral("."))) {
errorMessage = QStringLiteral("Cannot create directory: %1").arg(dir.path());
return false;
}
// Reset to config directory for consistency; avoid depending on this behavior for paths
if (QDir::setCurrent(dir.absolutePath()) && dir.isRelative())
dir.setPath(QStringLiteral("."));
QLockFile *lock = new QLockFile(dir.filePath(QStringLiteral("ricochet.json.lock")));
*lockFile = lock;
lock->setStaleLockTime(0);
if (!lock->tryLock()) {
if (lock->error() == QLockFile::LockFailedError) {
// XXX Need to offer UI or heuristics for removeStaleLockFile
errorMessage = QStringLiteral("Configuration file is already in use");
} else {
errorMessage = QStringLiteral("Cannot write configuration file (failed to acquire lock)");
}
return false;
}
settings->setFilePath(dir.filePath(QStringLiteral("ricochet.json")));
if (settings->hasError()) {
errorMessage = settings->errorMessage();
return false;
}
if (settings->root()->data().isEmpty()) {
QString filePath = dir.filePath(QStringLiteral("Torsion.ini"));
if (!QFile::exists(filePath))
filePath = dir.filePath(QStringLiteral("ricochet.ini"));
if (QFile::exists(filePath))
importLegacySettings(settings, filePath);
}
return true;
}