commit vendor

vendor/sabre/http/lib/Auth/Bearer.php

@@ -0,0 +1,53 @@
+<?php
+
+declare(strict_types=1);
+
+namespace Sabre\HTTP\Auth;
+
+/**
+ * HTTP Bearer authentication utility.
+ *
+ * This class helps you setup bearer auth. The process is fairly simple:
+ *
+ * 1. Instantiate the class.
+ * 2. Call getToken (this will return null or a token as string)
+ * 3. If you didn't get a valid token, call 'requireLogin'
+ *
+ * @copyright Copyright (C) fruux GmbH (https://fruux.com/)
+ * @author François Kooman (fkooman@tuxed.net)
+ * @license http://sabre.io/license/ Modified BSD License
+ */
+class Bearer extends AbstractAuth
+{
+    /**
+     * This method returns a string with an access token.
+     *
+     * If no token was found, this method returns null.
+     *
+     * @return string|null
+     */
+    public function getToken()
+    {
+        $auth = $this->request->getHeader('Authorization');
+
+        if (!$auth) {
+            return null;
+        }
+
+        if ('bearer ' !== strtolower(substr($auth, 0, 7))) {
+            return null;
+        }
+
+        return substr($auth, 7);
+    }
+
+    /**
+     * This method sends the needed HTTP header and statuscode (401) to force
+     * authentication.
+     */
+    public function requireLogin()
+    {
+        $this->response->addHeader('WWW-Authenticate', 'Bearer realm="'.$this->realm.'"');
+        $this->response->setStatus(401);
+    }
+}