Initial Release of the calendar plugin

dav/SabreDAV/lib/Sabre/CalDAV/Principal/User.php

@@ -0,0 +1,132 @@
+<?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) 2007-2012 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_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) {
+
+        $principal = $this->principalBackend->getPrincipalByPath($this->getPrincipalURL() . '/' . $name);
+        if (!$principal) {
+            throw new Sabre_DAV_Exception_NotFound('Node with name ' . $name . ' was not found');
+        }
+        if ($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_NotFound('Node with name ' . $name . ' was not found');
+
+    }
+
+    /**
+     * Returns an array with all the child nodes
+     *
+     * @return Sabre_DAV_INode[]
+     */
+    public function getChildren() {
+
+        $r = array();
+        if ($this->principalBackend->getPrincipalByPath($this->getPrincipalURL() . '/calendar-proxy-read')) {
+            $r[] = new Sabre_CalDAV_Principal_ProxyRead($this->principalBackend, $this->principalProperties);
+        }
+        if ($this->principalBackend->getPrincipalByPath($this->getPrincipalURL() . '/calendar-proxy-write')) {
+            $r[] = new Sabre_CalDAV_Principal_ProxyWrite($this->principalBackend, $this->principalProperties);
+        }
+
+        return $r;
+
+    }
+
+    /**
+     * Returns whether or not the child node exists
+     *
+     * @param string $name
+     * @return bool
+     */
+    public function childExists($name) {
+
+        try {
+            $this->getChild($name);
+            return true;
+        } catch (Sabre_DAV_Exception_NotFound $e) {
+            return false;
+        }
+
+    }
+
+    /**
+     * 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() {
+
+        $acl = parent::getACL();
+        $acl[] = array(
+            'privilege' => '{DAV:}read',
+            'principal' => $this->principalProperties['uri'] . '/calendar-proxy-read',
+            'protected' => true,
+        );
+        $acl[] = array(
+            'privilege' => '{DAV:}read',
+            'principal' => $this->principalProperties['uri'] . '/calendar-proxy-write',
+            'protected' => true,
+        );
+        return $acl;
+
+    }
+
+}