Handled bearer authorization header in REDIRECT_ form

Apache rewrite module renames client request
header (`HTTP_`) by prepending `REDIRECT_` to
it. http basic authentication and http digest
authentication are properly processed in
REDIRECT_ form, while bearer is processed in
HTTP_ form, but dropped in REDIRECT_ form.

src/Symfony/Component/HttpFoundation/ServerBag.php

@@ -75,6 +75,13 @@ class ServerBag extends ParameterBag
                     // In some circumstances PHP_AUTH_DIGEST needs to be set
                     $headers['PHP_AUTH_DIGEST'] = $authorizationHeader;
                     $this->parameters['PHP_AUTH_DIGEST'] = $authorizationHeader;
+                } elseif (0 === stripos($authorizationHeader, 'bearer ')) {
+                    /*
+                     * XXX: Since there is no PHP_AUTH_BEARER in PHP predefined variables,
+                     *      I'll just set $headers['AUTHORIZATION'] here.
+                     *      http://php.net/manual/en/reserved.variables.server.php
+                     */
+                    $headers['AUTHORIZATION'] = $authorizationHeader;
                 }
             }
         }

src/Symfony/Component/HttpFoundation/Tests/ServerBagTest.php

@@ -141,4 +141,14 @@ class ServerBagTest extends \PHPUnit_Framework_TestCase
             'AUTHORIZATION' => $headerContent,
         ), $bag->getHeaders());
     }
+
+    public function testOAuthBearerAuthWithRedirect()
+    {
+        $headerContent = 'Bearer L-yLEOr9zhmUYRkzN1jwwxwQ-PBNiKDc8dgfB4hTfvo';
+        $bag = new ServerBag(array('REDIRECT_HTTP_AUTHORIZATION' => $headerContent));
+
+        $this->assertEquals(array(
+            'AUTHORIZATION' => $headerContent,
+        ), $bag->getHeaders());
+    }
 }