bug #12935 [2.6] [Security] Fixed ExpressionVoter - addExpressionLanguageProvider (Luca Genuzio)

This PR was merged into the 2.6 branch.

Discussion
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[2.6] [Security] Fixed ExpressionVoter - addExpressionLanguageProvider

| Q             | A
| ------------- | ---
| Bug fix?      | yes
| New feature?  | no
| BC breaks?    | no
| Deprecations? | no
| Tests pass?   | ---
| Fixed tickets | ---
| License       | MIT
| Doc PR        | ---

Fix missing addExpressionLanguageProvider in [ExpressionVoter](https://github.com/symfony/symfony/blob/2.6/src/Symfony/Component/Security/Core/Authorization/Voter/ExpressionVoter.php), used by [AddExpressionLanguageProvidersPass](https://github.com/symfony/symfony/blob/2.6/src/Symfony/Bundle/FrameworkBundle/DependencyInjection/Compiler/AddExpressionLanguageProvidersPass.php) to add expression providers.

Commits
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6c70bc5 Fix missing addExpressionLanguageProvider (used by service container to add expression providers)

1 files changed, 6 insertions, 0 deletions

diff --git a/Core/Authorization/Voter/ExpressionVoter.php b/Core/Authorization/Voter/ExpressionVoter.php
index 3263803..98b8f50 100644
--- a/Core/Authorization/Voter/ExpressionVoter.php
+++ b/Core/Authorization/Voter/ExpressionVoter.php
@@ -15,6 +15,7 @@ use Symfony\Component\Security\Core\Authentication\Token\TokenInterface;
 use Symfony\Component\Security\Core\Authentication\AuthenticationTrustResolverInterface;
 use Symfony\Component\Security\Core\Authorization\ExpressionLanguage;
 use Symfony\Component\Security\Core\Role\RoleHierarchyInterface;
+use Symfony\Component\ExpressionLanguage\ExpressionFunctionProviderInterface;
 use Symfony\Component\ExpressionLanguage\Expression;
 use Symfony\Component\HttpFoundation\Request;
 
@@ -43,6 +44,11 @@ class ExpressionVoter implements VoterInterface
         $this->roleHierarchy = $roleHierarchy;
     }
 
+    public function addExpressionLanguageProvider(ExpressionFunctionProviderInterface $provider)
+    {
+        $this->expressionLanguage->registerProvider($provider);
+    }
+
     /**
      * {@inheritdoc}
      */