Prevent UUIDs with newlines from validating, fixes #307

Author: shadowhand

src/Assert.php

@@ -2163,7 +2163,7 @@ public static function uuid($value, $message = '')
             return;
         }
 
-        if (!\preg_match('/^[0-9A-Fa-f]{8}-[0-9A-Fa-f]{4}-[0-9A-Fa-f]{4}-[0-9A-Fa-f]{4}-[0-9A-Fa-f]{12}$/', $value)) {
+        if (!\preg_match('/^[0-9A-Fa-f]{8}-[0-9A-Fa-f]{4}-[0-9A-Fa-f]{4}-[0-9A-Fa-f]{4}-[0-9A-Fa-f]{12}$/D', $value)) {
             static::reportInvalidArgument(\sprintf(
                 $message ?: 'Value %s is not a valid UUID.',
                 static::valueToString($value)

tests/AssertTest.php

@@ -537,6 +537,9 @@ public function getTests()
             array('uuid', array('ff6f8cb0-c57d-41e1-9b21-0800200c9a66'), true),
             array('uuid', array('ff6f8cb0-c57d-51e1-9b21-0800200c9a66'), true),
             array('uuid', array('FF6F8CB0-C57D-11E1-9B21-0800200C9A66'), true),
+            array('uuid', array("urn:ff6f8cb0-c57d-21e1-9b21-0800200c9a66\n"), false),
+            array('uuid', array("ff6f8cb0-c57d-21e1-9b21-0800200c9a66\n"), false),
+            array('uuid', array("FF6F8CB0-C57D-11E1-9B21-0800200C9A66\n"), false),
             array('uuid', array('zf6f8cb0-c57d-11e1-9b21-0800200c9a66'), false),
             array('uuid', array('af6f8cb0c57d11e19b210800200c9a66'), false),
             array('uuid', array('ff6f8cb0-c57da-51e1-9b21-0800200c9a66'), false),