302 lines
7.8 KiB
PHP
302 lines
7.8 KiB
PHP
<?php
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/**
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* ownCloud
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*
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* @author Frank Karlitschek
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* @copyright 2012 Frank Karlitschek frank@owncloud.org
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU AFFERO GENERAL PUBLIC LICENSE
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* License as published by the Free Software Foundation; either
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* version 3 of the License, or any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU AFFERO GENERAL PUBLIC LICENSE for more details.
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*
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* You should have received a copy of the GNU Affero General Public
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* License along with this library. If not, see <http://www.gnu.org/licenses/>.
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*
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*/
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/**
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* This class provides all methods needed for managing groups.
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*
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* Hooks provided:
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* pre_createGroup(&run, gid)
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* post_createGroup(gid)
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* pre_deleteGroup(&run, gid)
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* post_deleteGroup(gid)
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* pre_addToGroup(&run, uid, gid)
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* post_addToGroup(uid, gid)
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* pre_removeFromGroup(&run, uid, gid)
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* post_removeFromGroup(uid, gid)
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*/
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class OC_Group {
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/**
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* @var \OC\Group\Manager $manager
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*/
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private static $manager;
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/**
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* @var \OC\User\Manager
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*/
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private static $userManager;
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/**
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* @return \OC\Group\Manager
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*/
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public static function getManager() {
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if (self::$manager) {
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return self::$manager;
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}
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self::$userManager = \OC_User::getManager();
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self::$manager = new \OC\Group\Manager(self::$userManager);
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return self::$manager;
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}
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/**
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* @brief set the group backend
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* @param \OC_Group_Backend $backend The backend to use for user managment
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* @return bool
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*/
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public static function useBackend($backend) {
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self::getManager()->addBackend($backend);
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return true;
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}
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/**
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* remove all used backends
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*/
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public static function clearBackends() {
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self::getManager()->clearBackends();
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}
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/**
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* @brief Try to create a new group
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* @param string $gid The name of the group to create
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* @return bool
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*
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* Tries to create a new group. If the group name already exists, false will
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* be returned. Basic checking of Group name
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*/
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public static function createGroup($gid) {
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OC_Hook::emit("OC_Group", "pre_createGroup", array("run" => true, "gid" => $gid));
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if (self::getManager()->create($gid)) {
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OC_Hook::emit("OC_User", "post_createGroup", array("gid" => $gid));
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return true;
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} else {
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return false;
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}
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}
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/**
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* @brief delete a group
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* @param string $gid gid of the group to delete
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* @return bool
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*
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* Deletes a group and removes it from the group_user-table
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*/
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public static function deleteGroup($gid) {
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// Prevent users from deleting group admin
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if ($gid == "admin") {
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return false;
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}
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OC_Hook::emit("OC_Group", "pre_deleteGroup", array("run" => true, "gid" => $gid));
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$group = self::getManager()->get($gid);
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if ($group) {
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if ($group->delete()) {
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OC_Hook::emit("OC_User", "post_deleteGroup", array("gid" => $gid));
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return true;
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}
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}
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return false;
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}
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/**
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* @brief is user in group?
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* @param string $uid uid of the user
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* @param string $gid gid of the group
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* @return bool
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*
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* Checks whether the user is member of a group or not.
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*/
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public static function inGroup($uid, $gid) {
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$group = self::getManager()->get($gid);
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$user = self::$userManager->get($uid);
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if ($group and $user) {
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return $group->inGroup($user);
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}
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return false;
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}
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/**
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* @brief Add a user to a group
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* @param string $uid Name of the user to add to group
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* @param string $gid Name of the group in which add the user
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* @return bool
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*
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* Adds a user to a group.
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*/
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public static function addToGroup($uid, $gid) {
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$group = self::getManager()->get($gid);
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$user = self::$userManager->get($uid);
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if ($group and $user) {
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OC_Hook::emit("OC_Group", "pre_addToGroup", array("run" => true, "uid" => $uid, "gid" => $gid));
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$group->addUser($user);
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OC_Hook::emit("OC_User", "post_addToGroup", array("uid" => $uid, "gid" => $gid));
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return true;
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} else {
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return false;
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}
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}
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/**
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* @brief Removes a user from a group
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* @param string $uid Name of the user to remove from group
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* @param string $gid Name of the group from which remove the user
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* @return bool
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*
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* removes the user from a group.
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*/
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public static function removeFromGroup($uid, $gid) {
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$group = self::getManager()->get($gid);
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$user = self::$userManager->get($uid);
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if ($group and $user) {
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OC_Hook::emit("OC_Group", "pre_removeFromGroup", array("run" => true, "uid" => $uid, "gid" => $gid));
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$group->removeUser($user);
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OC_Hook::emit("OC_User", "post_removeFromGroup", array("uid" => $uid, "gid" => $gid));
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return true;
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} else {
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return false;
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}
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}
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/**
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* @brief Get all groups a user belongs to
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* @param string $uid Name of the user
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* @return array with group names
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*
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* This function fetches all groups a user belongs to. It does not check
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* if the user exists at all.
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*/
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public static function getUserGroups($uid) {
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$user = self::$userManager->get($uid);
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if ($user) {
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$groups = self::getManager()->getUserGroups($user);
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$groupIds = array();
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foreach ($groups as $group) {
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$groupIds[] = $group->getGID();
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}
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return $groupIds;
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} else {
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return array();
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}
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}
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/**
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* @brief get a list of all groups
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* @returns array with group names
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*
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* Returns a list with all groups
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*/
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public static function getGroups($search = '', $limit = null, $offset = null) {
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$groups = self::getManager()->search($search, $limit, $offset);
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$groupIds = array();
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foreach ($groups as $group) {
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$groupIds[] = $group->getGID();
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}
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return $groupIds;
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}
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/**
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* check if a group exists
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*
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* @param string $gid
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* @return bool
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*/
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public static function groupExists($gid) {
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return self::getManager()->exists($gid);
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}
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/**
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* @brief get a list of all users in a group
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* @returns array with user ids
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*/
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public static function usersInGroup($gid, $search = '', $limit = -1, $offset = 0) {
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$group = self::getManager()->get($gid);
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if ($group) {
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$users = $group->searchUsers($search . $limit, $offset);
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$userIds = array();
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foreach ($users as $user) {
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$userIds[] = $user->getUID();
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}
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return $userIds;
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} else {
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return array();
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}
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}
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/**
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* @brief get a list of all users in several groups
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* @param array $gids
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* @param string $search
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* @param int $limit
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* @param int $offset
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* @return array with user ids
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*/
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public static function usersInGroups($gids, $search = '', $limit = -1, $offset = 0) {
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$users = array();
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foreach ($gids as $gid) {
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// TODO Need to apply limits to groups as total
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$users = array_merge(array_diff(self::usersInGroup($gid, $search, $limit, $offset), $users), $users);
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}
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return $users;
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}
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/**
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* @brief get a list of all display names in a group
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* @returns array with display names (value) and user ids(key)
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*/
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public static function displayNamesInGroup($gid, $search = '', $limit = -1, $offset = 0) {
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$group = self::getManager()->get($gid);
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if ($group) {
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$users = $group->searchDisplayName($search . $limit, $offset);
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$displayNames = array();
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foreach ($users as $user) {
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$displayNames[] = $user->getDisplayName();
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}
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return $displayNames;
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} else {
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return array();
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}
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}
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/**
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* @brief get a list of all display names in several groups
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* @param array $gids
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* @param string $search
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* @param int $limit
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* @param int $offset
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* @return array with display names (Key) user ids (value)
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*/
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public static function displayNamesInGroups($gids, $search = '', $limit = -1, $offset = 0) {
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$displayNames = array();
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foreach ($gids as $gid) {
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// TODO Need to apply limits to groups as total
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$diff = array_diff(
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self::displayNamesInGroup($gid, $search, $limit, $offset),
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$displayNames
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);
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if ($diff) {
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$displayNames = array_merge($diff, $displayNames);
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}
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}
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return $displayNames;
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}
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}
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