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fix: set IUserSession user after bearer token validation #1376

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Merged
julien-nc merged 2 commits into from
Mar 18, 2026
Merged

fix: set IUserSession user after bearer token validation #1376

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fix: set IUserSession user after bearer token validation
hangerrits Mar 12, 2026
7f8893e
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hangerrits Mar 14, 2026
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29 changes: 29 additions & 0 deletions lib/User/Backend.php
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Original file line number Diff line number Diff line change
Expand Up @@ -36,6 +36,7 @@
use OCP\IURLGenerator;
use OCP\IUser;
use OCP\IUserManager;
use OCP\IUserSession;
use OCP\Server;
use OCP\ServerVersion;
use OCP\User\Backend\ABackend;
Expand Down Expand Up @@ -344,10 +345,12 @@ public function getCurrentUserId(): string {
}

$this->session->set('last-password-confirm', strtotime('+4 year', time()));
$this->setSessionUser($userId);
return $userId;
} elseif ($this->userExists($tokenUserId)) {
$this->checkFirstLogin($tokenUserId);
$this->session->set('last-password-confirm', strtotime('+4 year', time()));
$this->setSessionUser($tokenUserId);
return $tokenUserId;
} else {
// check if the user exists locally
Expand All @@ -369,6 +372,7 @@ public function getCurrentUserId(): string {
}
$this->checkFirstLogin($tokenUserId);
$this->session->set('last-password-confirm', strtotime('+4 year', time()));
$this->setSessionUser($tokenUserId);
return $tokenUserId;
}
}
Expand All @@ -380,6 +384,31 @@ public function getCurrentUserId(): string {
return '';
}

/**
* Set the user in IUserSession after bearer token validation.
* Without this, DI-injected $userId is null in OCS controllers
* and CalDAV plugins, causing 500 errors in Deck, Talk, and Tasks.
*
* Note: IUserSession is resolved via Server::get() rather than constructor
* injection to avoid a circular dependency (IUserSession depends on this Backend).
*/
private function setSessionUser(string $userId): void {
try {
$userSession = Server::get(IUserSession::class);
$currentUser = $userSession->getUser();

// Only fetch and set if the session doesn't already have this user
if ($currentUser === null || $currentUser->getUID() !== $userId) {
$user = $this->userManager->get($userId);
if ($user !== null) {
$userSession->setUser($user);
}
}
} catch (\Throwable $e) {
$this->logger->debug('Failed to set session user after bearer validation: ' . $e->getMessage());
}
}
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hangerrits marked this conversation as resolved.

/**
* Inspired by lib/private/User/Session.php::prepareUserLogin()
*
Expand Down
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