1 files changed, 178 insertions, 0 deletions
diff --git a/3rdparty/Sabre/CalDAV/Principal/ProxyRead.php b/3rdparty/Sabre/CalDAV/Principal/ProxyRead.php
new file mode 100644
index 00000000000..f531d85d1ff
--- /dev/null
+++ b/3rdparty/Sabre/CalDAV/Principal/ProxyRead.php
@@ -0,0 +1,178 @@
+<?php
+
+/**
+ * ProxyRead principal
+ *
+ * This class represents a principal group, hosted under the main principal.
+ * This is needed to implement 'Calendar delegation' support. This class is 
+ * instantiated by Sabre_CalDAV_Principal_User.
+ * 
+ * @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_ProxyRead implements Sabre_DAVACL_IPrincipal {
+
+    /**
+     * Principal information from the parent principal. 
+     * 
+     * @var array 
+     */
+    protected $principalInfo;
+
+    /**
+     * Principal backend 
+     * 
+     * @var Sabre_DAVACL_IPrincipalBackend 
+     */
+    protected $principalBackend;
+
+    /**
+     * Creates the object.
+     *
+     * Note that you MUST supply the parent principal information. 
+     * 
+     * @param Sabre_DAVACL_IPrincipalBackend $principalBackend 
+     * @param array $principalInfo 
+     */
+    public function __construct(Sabre_DAVACL_IPrincipalBackend $principalBackend, array $principalInfo) {
+
+        $this->principalInfo = $principalInfo;
+        $this->principalBackend = $principalBackend;
+
+    }
+
+    /**
+     * Returns this principals name.
+     * 
+     * @return string 
+     */
+    public function getName() {
+
+        return 'calendar-proxy-read';
+
+    }
+
+    /**
+     * Returns the last modification time 
+     *
+     * @return null 
+     */
+    public function getLastModified() {
+
+        return null; 
+
+    }
+
+    /**
+     * Deletes the current node
+     *
+     * @throws Sabre_DAV_Exception_Forbidden
+     * @return void 
+     */
+    public function delete() {
+
+        throw new Sabre_DAV_Exception_Forbidden('Permission denied to delete node');
+
+    }
+
+    /**
+     * Renames the node
+     * 
+     * @throws Sabre_DAV_Exception_Forbidden
+     * @param string $name The new name
+     * @return void
+     */
+    public function setName($name) {
+
+        throw new Sabre_DAV_Exception_Forbidden('Permission denied to rename file');
+
+    }
+
+
+    /**
+     * Returns a list of altenative urls for a principal
+     * 
+     * This can for example be an email address, or ldap url.
+     * 
+     * @return array 
+     */
+    public function getAlternateUriSet() {
+
+        return array();
+
+    }
+
+    /**
+     * Returns the full principal url 
+     * 
+     * @return string 
+     */
+    public function getPrincipalUrl() {
+
+        return $this->principalInfo['uri'] . '/' . $this->getName(); 
+
+    }
+
+    /**
+     * Returns the list of group members
+     * 
+     * If this principal is a group, this function should return
+     * all member principal uri's for the group. 
+     * 
+     * @return array
+     */
+    public function getGroupMemberSet() {
+
+        return $this->principalBackend->getGroupMemberSet($this->getPrincipalUrl()); 
+
+    }
+
+    /**
+     * Returns the list of groups this principal is member of
+     * 
+     * If this principal is a member of a (list of) groups, this function
+     * should return a list of principal uri's for it's members. 
+     * 
+     * @return array 
+     */
+    public function getGroupMembership() {
+
+        return $this->principalBackend->getGroupMembership($this->getPrincipalUrl()); 
+
+    }
+
+    /**
+     * Sets a list of group members
+     *
+     * If this principal is a group, this method sets all the group members.
+     * The list of members is always overwritten, never appended to.
+     * 
+     * This method should throw an exception if the members could not be set. 
+     * 
+     * @param array $principals 
+     * @return void 
+     */
+    public function setGroupMemberSet(array $principals) {
+
+        $this->principalBackend->setGroupMemberSet($this->getPrincipalUrl(), $principals);
+
+    }
+
+    /**
+     * Returns the displayname
+     *
+     * This should be a human readable name for the principal.
+     * If none is available, return the nodename. 
+     * 
+     * @return string 
+     */
+    public function getDisplayName() {
+
+        return $this->getName();
+
+    }
+
+}