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-rw-r--r--lib/private/User/Session.php3
1 files changed, 3 insertions, 0 deletions
diff --git a/lib/private/User/Session.php b/lib/private/User/Session.php
index a0e0e5c1dc8..302f6174bc9 100644
--- a/lib/private/User/Session.php
+++ b/lib/private/User/Session.php
@@ -450,6 +450,9 @@ class Session implements IUserSession, Emitter {
if (!$this->login($user, $password)) {
// Failed, maybe the user used their email address
+ if (!filter_var($user, FILTER_VALIDATE_EMAIL)) {
+ return false;
+ }
$users = $this->manager->getByEmail($user);
if (!(\count($users) === 1 && $this->login($users[0]->getUID(), $password))) {
$this->logger->warning('Login failed: \'' . $user . '\' (Remote IP: \'' . \OC::$server->getRequest()->getRemoteAddress() . '\')', ['app' => 'core']);