1 files changed, 122 insertions, 0 deletions
diff --git a/3dparty/Sabre/CalDAV/Principal/User.php b/3dparty/Sabre/CalDAV/Principal/User.php
new file mode 100644
index 00000000000..034629b89b3
--- /dev/null
+++ b/3dparty/Sabre/CalDAV/Principal/User.php
@@ -0,0 +1,122 @@
+<?php
+
+/**
+ * CalDAV principal 
+ *
+ * This is a standard user-principal for CalDAV. This principal is also a 
+ * collection and returns the caldav-proxy-read and caldav-proxy-write child 
+ * principals.
+ * 
+ * @package Sabre
+ * @subpackage CalDAV
+ * @copyright Copyright (C) 2007-2011 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_CalDAV_Principal_User extends Sabre_DAVACL_Principal implements Sabre_DAV_ICollection {
+
+    /**
+     * Creates a new file in the directory 
+     * 
+     * @param string $name Name of the file 
+     * @param resource $data Initial payload, passed as a readable stream resource. 
+     * @throws Sabre_DAV_Exception_Forbidden
+     * @return void
+     */
+    public function createFile($name, $data = null) {
+
+        throw new Sabre_DAV_Exception_Forbidden('Permission denied to create file (filename ' . $name . ')');
+
+    }
+
+    /**
+     * Creates a new subdirectory 
+     * 
+     * @param string $name 
+     * @throws Sabre_DAV_Exception_Forbidden
+     * @return void
+     */
+    public function createDirectory($name) {
+
+        throw new Sabre_DAV_Exception_Forbidden('Permission denied to create directory');
+
+    }
+
+    /**
+     * Returns a specific child node, referenced by its name 
+     * 
+     * @param string $name 
+     * @return Sabre_DAV_INode 
+     */
+    public function getChild($name) {
+
+        if ($name === 'calendar-proxy-read')
+            return new Sabre_CalDAV_Principal_ProxyRead($this->principalBackend, $this->principalProperties);
+
+        if ($name === 'calendar-proxy-write')
+            return new Sabre_CalDAV_Principal_ProxyWrite($this->principalBackend, $this->principalProperties);
+
+        throw new Sabre_DAV_Exception_FileNotFound('Node with name ' . $name . ' was not found');
+
+    }
+
+    /**
+     * Returns an array with all the child nodes 
+     * 
+     * @return Sabre_DAV_INode[] 
+     */
+    public function getChildren() {
+
+        return array(
+            new Sabre_CalDAV_Principal_ProxyRead($this->principalBackend, $this->principalProperties),
+            new Sabre_CalDAV_Principal_ProxyWrite($this->principalBackend, $this->principalProperties),
+        );
+
+    }
+
+    /**
+     * Checks if a child-node with the specified name exists 
+     * 
+     * @return bool 
+     */
+    public function childExists($name) {
+
+        return $name === 'calendar-proxy-read' ||  $name === 'calendar-proxy-write';
+
+    }
+
+    /**
+     * Returns a list of ACE's for this node.
+     *
+     * Each ACE has the following properties:
+     *   * 'privilege', a string such as {DAV:}read or {DAV:}write. These are 
+     *     currently the only supported privileges
+     *   * 'principal', a url to the principal who owns the node
+     *   * 'protected' (optional), indicating that this ACE is not allowed to 
+     *      be updated. 
+     * 
+     * @return array 
+     */
+    public function getACL() {
+
+        return array(
+            array(
+                'privilege' => '{DAV:}read',
+                'principal' => $this->principalProperties['uri'],
+                'protected' => true,
+            ),
+            array(
+                'privilege' => '{DAV:}read',
+                'principal' => $this->principalProperties['uri'] . '/calendar-proxy-read',
+                'protected' => true,
+            ),
+            array(
+                'privilege' => '{DAV:}read',
+                'principal' => $this->principalProperties['uri'] . '/calendar-proxy-write',
+                'protected' => true,
+            ),
+        );
+
+    }
+
+}