initial sabre upgrade (needs lots of work - to wit: authentication, redo the browser interface, and rework event export/import)

1 files changed, 63 insertions, 0 deletions

diff --git a/vendor/sabre/http/lib/Auth/Basic.php b/vendor/sabre/http/lib/Auth/Basic.php
new file mode 100644
index 000000000..60633b957
--- /dev/null
+++ b/vendor/sabre/http/lib/Auth/Basic.php
@@ -0,0 +1,63 @@
+<?php
+
+namespace Sabre\HTTP\Auth;
+
+/**
+ * HTTP Basic authentication utility.
+ *
+ * This class helps you setup basic auth. The process is fairly simple:
+ *
+ * 1. Instantiate the class.
+ * 2. Call getCredentials (this will return null or a user/pass pair)
+ * 3. If you didn't get valid credentials, call 'requireLogin'
+ *
+ * @copyright Copyright (C) fruux GmbH (https://fruux.com/)
+ * @author Evert Pot (http://evertpot.com/)
+ * @license http://sabre.io/license/ Modified BSD License
+ */
+class Basic extends AbstractAuth {
+
+    /**
+     * This method returns a numeric array with a username and password as the
+     * only elements.
+     *
+     * If no credentials were found, this method returns null.
+     *
+     * @return null|array
+     */
+    function getCredentials() {
+
+        $auth = $this->request->getHeader('Authorization');
+
+        if (!$auth) {
+            return null;
+        }
+
+        if (strtolower(substr($auth, 0, 6)) !== 'basic ') {
+            return null;
+        }
+
+        $credentials = explode(':', base64_decode(substr($auth, 6)), 2);
+
+        if (2 !== count($credentials)) {
+            return null;
+        }
+
+        return $credentials;
+
+    }
+
+    /**
+     * This method sends the needed HTTP header and statuscode (401) to force
+     * the user to login.
+     *
+     * @return void
+     */
+    function requireLogin() {
+
+        $this->response->addHeader('WWW-Authenticate', 'Basic realm="' . $this->realm . '"');
+        $this->response->setStatus(401);
+
+    }
+
+}