Verify that the authorization header has 2 parts

Resolves: https://github.com/cweiske/anoweco/issues/4

diff --git a/www/token.php b/www/token.php
index abe14ed6f9c93c143151c7b5d48674ce1a787295..6a7fa81332960785cb0f4a5ef7e43b0b5728fd4e 100644 (file)
--- a/www/token.php
+++ b/www/token.php
@@ -47,7 +47,13 @@ if ($_SERVER['REQUEST_METHOD'] == 'GET') {
     } else {
         error('Authorization HTTP header missing');
     }
-    list($bearer, $token) = explode(' ', $auth, 2);
+
+    $parts = explode(' ', $auth, 2);
+    if (count($parts) != 2) {
+        error('Authorization header must container "Bearer" and the token');
+    }
+
+    list($bearer, $token) = $parts;
     if ($bearer !== 'Bearer') {
         error('Authorization header must start with "Bearer"');
     }