Don't allow true as algorithm config value

Jeroen van den Nieuwenhuisen · Jeroen van den Nieuwenhuisen · commit cdb0b49ee5c9 · 2019-12-02T21:59:03.000+01:00
diff --git a/src/Symfony/Bundle/SecurityBundle/DependencyInjection/MainConfiguration.php b/src/Symfony/Bundle/SecurityBundle/DependencyInjection/MainConfiguration.php
@@ -399,7 +399,7 @@ private function addEncodersSection(ArrayNodeDefinition $rootNode)
                         ->performNoDeepMerging()
                         ->beforeNormalization()->ifString()->then(function ($v) { return ['algorithm' => $v]; })->end()
                         ->children()
-                            ->scalarNode('algorithm')->cannotBeEmpty()->end()
+                            ->scalarNode('algorithm')->cannotBeEmpty()->validate()->ifTrue()->thenInvalid('Invalid algorithm %s')->end()->end()
                             ->scalarNode('hash_algorithm')->info('Name of hashing algorithm for PBKDF2 (i.e. sha256, sha512, etc..) See hash_algos() for a list of supported algorithms.')->defaultValue('sha512')->end()
                             ->scalarNode('key_length')->defaultValue(40)->end()
                             ->booleanNode('ignore_case')->defaultFalse()->end()
