[HttpFoundation] UploadedFile: Added ability to the original extension of the file uploaded

daum · fabpot · commit 7914d957f075 · 2012-10-27T18:37:39.000+02:00
diff --git a/src/Symfony/Component/HttpFoundation/File/UploadedFile.php b/src/Symfony/Component/HttpFoundation/File/UploadedFile.php
@@ -118,6 +118,19 @@ public function getClientOriginalName()
         return $this->originalName;
     }
 
+    /**
+     * Returns the original file extension
+     *
+     * It is extracted from the original file name that was uploaded.
+     * Then is should not be considered as a safe value.
+     *
+     * @return string The extension
+     */
+    public function getClientOriginalExtension()
+    {
+        return pathinfo($this->originalName, PATHINFO_EXTENSION);
+    }
+
     /**
      * Returns the file mime type.
      *
diff --git a/src/Symfony/Component/HttpFoundation/Tests/File/UploadedFileTest.php b/src/Symfony/Component/HttpFoundation/Tests/File/UploadedFileTest.php
@@ -89,6 +89,20 @@ public function testGetClientOriginalName()
         $this->assertEquals('original.gif', $file->getClientOriginalName());
     }
 
+    public function testGetClientOriginalExtension()
+    {
+        $file = new UploadedFile(
+            __DIR__.'/Fixtures/test.gif',
+            'original.gif',
+            'image/gif',
+            filesize(__DIR__.'/Fixtures/test.gif'),
+            null
+        );
+
+        $this->assertEquals('gif', $file->getClientOriginalExtension());
+    }
+
+
     /**
      * @expectedException Symfony\Component\HttpFoundation\File\Exception\FileException
      */
