Delete access token file infrastructure

We've never supported it and it's broken, unsecure and leads to crashes-

BUG: 460407
This commit is contained in:
Tobias Fella
2022-11-27 19:38:15 +01:00
parent 8dbfc093fa
commit 6347c02d8b
2 changed files with 2 additions and 69 deletions

View File

@@ -234,13 +234,6 @@ void Controller::showWindow()
WindowController::instance().showAndRaiseWindow(QString());
}
inline QString accessTokenFileName(const AccountSettings &account)
{
QString fileName = account.userId();
fileName.replace(':', '_');
return QStandardPaths::writableLocation(QStandardPaths::AppLocalDataLocation) + '/' + fileName;
}
void Controller::loginWithAccessToken(const QString &serverAddr, const QString &user, const QString &token, const QString &deviceName)
{
if (user.isEmpty() || token.isEmpty()) {
@@ -281,7 +274,6 @@ void Controller::logout(Connection *conn, bool serverSideLogout)
}
SettingsGroup("Accounts").remove(conn->userId());
QFile(accessTokenFileName(AccountSettings(conn->userId()))).remove();
QKeychain::DeletePasswordJob job(qAppName());
job.setAutoDelete(true);
@@ -374,15 +366,7 @@ void Controller::invokeLogin()
if (accessTokenLoadingJob->error() == QKeychain::Error::NoError) {
accessToken = accessTokenLoadingJob->binaryData();
} else {
// No access token from the keychain, try token file
// TODO FIXME this code is racy since the file might have
// already been removed. But since the other code do a blocking
// dbus call, the probability are not high that it will happen.
// loadAccessTokenFromFile is also mostly legacy nowadays
accessToken = loadAccessTokenFromFile(account);
if (accessToken.isEmpty()) {
return;
}
return;
}
auto connection = new Connection(account.homeserver());
@@ -416,21 +400,6 @@ void Controller::invokeLogin()
}
}
QByteArray Controller::loadAccessTokenFromFile(const AccountSettings &account)
{
QFile accountTokenFile{accessTokenFileName(account)};
if (accountTokenFile.open(QFile::ReadOnly)) {
if (accountTokenFile.size() < 1024) {
return accountTokenFile.readAll();
}
qWarning() << "File" << accountTokenFile.fileName() << "is" << accountTokenFile.size() << "bytes long - too long for a token, ignoring it.";
}
qWarning() << "Could not open access token file" << accountTokenFile.fileName();
return {};
}
QKeychain::ReadPasswordJob *Controller::loadAccessTokenFromKeyChain(const AccountSettings &account)
{
qDebug() << "Reading access token from the keychain for" << account.userId();
@@ -442,24 +411,6 @@ QKeychain::ReadPasswordJob *Controller::loadAccessTokenFromKeyChain(const Accoun
if (job->error() == QKeychain::Error::NoError) {
return;
}
if (job->error() == QKeychain::Error::EntryNotFound) {
// no access token from the keychain, try token file
auto accessToken = loadAccessTokenFromFile(account);
if (!accessToken.isEmpty()) {
qDebug() << "Migrating the access token from file to the keychain for " << account.userId();
bool removed = false;
bool saved = saveAccessTokenToKeyChain(account, accessToken);
if (saved) {
QFile accountTokenFile{accessTokenFileName(account)};
removed = accountTokenFile.remove();
}
if (!(saved && removed)) {
qDebug() << "Migrating the access token from the file to the keychain "
"failed";
}
return;
}
}
switch (job->error()) {
case QKeychain::EntryNotFound:
@@ -484,22 +435,6 @@ QKeychain::ReadPasswordJob *Controller::loadAccessTokenFromKeyChain(const Accoun
return job;
}
bool Controller::saveAccessTokenToFile(const AccountSettings &account, const QByteArray &accessToken)
{
// (Re-)Make a dedicated file for access_token.
QFile accountTokenFile{accessTokenFileName(account)};
accountTokenFile.remove(); // Just in case
auto fileDir = QFileInfo(accountTokenFile).dir();
if (!((fileDir.exists() || fileDir.mkpath(".")) && accountTokenFile.open(QFile::WriteOnly))) {
Q_EMIT errorOccured("I/O Denied: Cannot save access token.");
} else {
accountTokenFile.write(accessToken);
return true;
}
return false;
}
bool Controller::saveAccessTokenToKeyChain(const AccountSettings &account, const QByteArray &accessToken)
{
qDebug() << "Save the access token to the keychain for " << account.userId();
@@ -514,7 +449,7 @@ bool Controller::saveAccessTokenToKeyChain(const AccountSettings &account, const
if (job.error()) {
qWarning() << "Could not save access token to the keychain: " << qPrintable(job.errorString());
return saveAccessTokenToFile(account, accessToken);
return false;
}
return true;
}