Merge pull request firebase#48 from aztech-forks/master

Allow using \ArrayAccess as $key in \JWT::decode

Author: robertdimarco

Authentication/JWT.php

@@ -73,7 +73,7 @@ public static function decode($jwt, $key = null, $allowed_algs = array())
             if (!is_array($allowed_algs) || !in_array($header->alg, $allowed_algs)) {
                 throw new DomainException('Algorithm not allowed');
             }
-            if (is_array($key)) {
+            if (is_array($key) || $key instanceof \ArrayAccess) {
                 if (isset($header->kid)) {
                     $key = $key[$header->kid];
                 } else {

tests/JWTTest.php

@@ -194,6 +194,14 @@ public function testKIDChooser()
         $this->assertEquals($decoded, 'abc');
     }
 
+    public function testArrayAccessKIDChooser()
+    {
+        $keys = new ArrayObject(array('1' => 'my_key', '2' => 'my_key2'));
+        $msg = JWT::encode('abc', $keys['1'], 'HS256', '1');
+        $decoded = JWT::decode($msg, $keys, array('HS256'));
+        $this->assertEquals($decoded, 'abc');
+    }
+
     public function testNoneAlgorithm()
     {
         $msg = JWT::encode('abc', 'my_key');