Initial Release of the calendar plugin

[friendica-addons.git] / dav / SabreDAV / lib / Sabre / HTTP / BasicAuth.php

diff --git a/dav/SabreDAV/lib/Sabre/HTTP/BasicAuth.php b/dav/SabreDAV/lib/Sabre/HTTP/BasicAuth.php
new file mode 100644 (file)
index 0000000..a747cc6
--- /dev/null
+++ b/dav/SabreDAV/lib/Sabre/HTTP/BasicAuth.php
@@ -0,0 +1,67 @@
+<?php
+
+/**
+ * HTTP Basic Authentication handler
+ *
+ * Use this class for easy http authentication setup
+ *
+ * @package Sabre
+ * @subpackage HTTP
+ * @copyright Copyright (C) 2007-2012 Rooftop Solutions. All rights reserved.
+ * @author Evert Pot (http://www.rooftopsolutions.nl/)
+ * @license http://code.google.com/p/sabredav/wiki/License Modified BSD License
+ */
+class Sabre_HTTP_BasicAuth extends Sabre_HTTP_AbstractAuth {
+
+    /**
+     * Returns the supplied username and password.
+     *
+     * The returned array has two values:
+     *   * 0 - username
+     *   * 1 - password
+     *
+     * If nothing was supplied, 'false' will be returned
+     *
+     * @return mixed
+     */
+    public function getUserPass() {
+
+        // Apache and mod_php
+        if (($user = $this->httpRequest->getRawServerValue('PHP_AUTH_USER')) && ($pass = $this->httpRequest->getRawServerValue('PHP_AUTH_PW'))) {
+
+            return array($user,$pass);
+
+        }
+
+        // Most other webservers
+        $auth = $this->httpRequest->getHeader('Authorization');
+
+        // Apache could prefix environment variables with REDIRECT_ when urls
+        // are passed through mod_rewrite
+        if (!$auth) {
+            $auth = $this->httpRequest->getRawServerValue('REDIRECT_HTTP_AUTHORIZATION');
+        }
+
+        if (!$auth) return false;
+
+        if (strpos(strtolower($auth),'basic')!==0) return false;
+
+        return explode(':', base64_decode(substr($auth, 6)));
+
+    }
+
+    /**
+     * Returns an HTTP 401 header, forcing login
+     *
+     * This should be called when username and password are incorrect, or not supplied at all
+     *
+     * @return void
+     */
+    public function requireLogin() {
+
+        $this->httpResponse->setHeader('WWW-Authenticate','Basic realm="' . $this->realm . '"');
+        $this->httpResponse->sendStatus(401);
+
+    }
+
+}