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[Security] Don't allow empty username or empty password #46109

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[Security] Don't allow empty username or empty password #46109

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8 changes: 4 additions & 4 deletions src/Symfony/Component/Security/Http/Authenticator/JsonLoginAuthenticator.php
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Original file line number Diff line number Diff line change
Expand Up @@ -170,8 +170,8 @@ private function getCredentials(Request $request)
try {
$credentials['username'] = $this->propertyAccessor->getValue($data, $this->options['username_path']);

if (!\is_string($credentials['username'])) {
throw new BadRequestHttpException(sprintf('The key "%s" must be a string.', $this->options['username_path']));
if (!\is_string($credentials['username']) || $credentials['username'] === "") {
throw new BadRequestHttpException(sprintf('The key "%s" must be a non empty string.', $this->options['username_path']));
}

if (\strlen($credentials['username']) > Security::MAX_USERNAME_LENGTH) {
Expand All @@ -184,8 +184,8 @@ private function getCredentials(Request $request)
try {
$credentials['password'] = $this->propertyAccessor->getValue($data, $this->options['password_path']);

if (!\is_string($credentials['password'])) {
throw new BadRequestHttpException(sprintf('The key "%s" must be a string.', $this->options['password_path']));
if (!\is_string($credentials['password']) || $credentials['password'] === "") {
throw new BadRequestHttpException(sprintf('The key "%s" must be a non empty string.', $this->options['password_path']));
}
} catch (AccessException $e) {
throw new BadRequestHttpException(sprintf('The key "%s" must be provided.', $this->options['password_path']), $e);
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10 changes: 8 additions & 2 deletions src/Symfony/Component/Security/Http/Tests/Authenticator/JsonLoginAuthenticatorTest.php
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Original file line number Diff line number Diff line change
Expand Up @@ -116,10 +116,16 @@ public function provideInvalidAuthenticateData()
yield [$request, 'The key "password" must be provided'];

$request = new Request([], [], [], [], [], ['HTTP_CONTENT_TYPE' => 'application/json'], '{"username": 1, "password": "foo"}');
yield [$request, 'The key "username" must be a string.'];
yield [$request, 'The key "username" must be a non empty string.'];

$request = new Request([], [], [], [], [], ['HTTP_CONTENT_TYPE' => 'application/json'], '{"username": "dunglas", "password": 1}');
yield [$request, 'The key "password" must be a string.'];
yield [$request, 'The key "password" must be a non empty string.'];

$request = new Request([], [], [], [], [], ['HTTP_CONTENT_TYPE' => 'application/json'], '{"username": "", "password": ""}');
yield [$request, 'The key "username" must be a non empty string.'];

$request = new Request([], [], [], [], [], ['HTTP_CONTENT_TYPE' => 'application/json'], '{"username": "rimas", "password": ""}');
yield [$request, 'The key "password" must be a non empty string.'];

$username = str_repeat('x', Security::MAX_USERNAME_LENGTH + 1);
$request = new Request([], [], [], [], [], ['HTTP_CONTENT_TYPE' => 'application/json'], sprintf('{"username": "%s", "password": 1}', $username));
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