140 lines
4.9 KiB
PHP
140 lines
4.9 KiB
PHP
<?php
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/**
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* StatusNet, the distributed open-source microblogging tool
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*
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* Leave a group
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*
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* PHP version 5
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*
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* LICENCE: This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU Affero General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program 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 License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*
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* @category Group
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* @package StatusNet
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* @author Evan Prodromou <evan@status.net>
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* @copyright 2008-2009 StatusNet, Inc.
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* @license http://www.fsf.org/licensing/licenses/agpl-3.0.html GNU Affero General Public License version 3.0
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* @link http://status.net/
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*/
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if (!defined('GNUSOCIAL')) { exit(1); }
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/**
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* Leave a group
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*
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* This is the action for leaving a group. It works more or less like the subscribe action
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* for users.
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*
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* @category Group
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* @package StatusNet
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* @author Evan Prodromou <evan@status.net>
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* @license http://www.fsf.org/licensing/licenses/agpl-3.0.html GNU Affero General Public License version 3.0
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* @link http://status.net/
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*/
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class LeavegroupAction extends Action
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{
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var $group = null;
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/**
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* Prepare to run
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*/
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protected function prepare(array $args=array())
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{
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parent::prepare($args);
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if (!common_logged_in()) {
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// TRANS: Client error displayed when trying to leave a group while not logged in.
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$this->clientError(_('You must be logged in to leave a group.'));
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}
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$nickname_arg = $this->trimmed('nickname');
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$id = intval($this->arg('id'));
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if ($id) {
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$this->group = User_group::getKV('id', $id);
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} else if ($nickname_arg) {
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$nickname = common_canonical_nickname($nickname_arg);
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// Permanent redirect on non-canonical nickname
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if ($nickname_arg != $nickname) {
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$args = array('nickname' => $nickname);
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common_redirect(common_local_url('leavegroup', $args), 301);
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}
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$local = Local_group::getKV('nickname', $nickname);
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if (!$local) {
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// TRANS: Client error displayed when trying to leave a non-local group.
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$this->clientError(_('No such group.'), 404);
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}
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$this->group = User_group::getKV('id', $local->group_id);
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} else {
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// TRANS: Client error displayed when trying to leave a group without providing a group name or group ID.
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$this->clientError(_('No nickname or ID.'), 404);
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}
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if (!$this->group) {
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// TRANS: Client error displayed when trying to leave a non-existing group.
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$this->clientError(_('No such group.'), 404);
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}
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if (!$this->scoped->isMember($this->group)) {
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// TRANS: Client error displayed when trying to join a group while already a member.
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$this->clientError(_('You are not a member of that group.'), 403);
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}
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return true;
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}
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/**
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* Handle the request
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*
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* On POST, add the current user to the group
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*
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* @return void
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*/
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protected function handle()
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{
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parent::handle();
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try {
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$this->scoped->leaveGroup($this->group);
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} catch (Exception $e) {
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common_log(LOG_ERR, "Error when {$this->scoped->nickname} tried to leave {$this->group->nickname}: " . $e->getMessage());
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// TRANS: Server error displayed when leaving a group failed in the database.
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// TRANS: %1$s is the leaving user's nickname, $2$s is the group nickname for which the leave failed.
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$this->serverError(sprintf(_('Could not remove user %1$s from group %2$s.'),
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$this->scoped->nickname, $this->group->nickname));
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return;
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}
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if ($this->boolean('ajax')) {
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$this->startHTML('text/xml;charset=utf-8');
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$this->elementStart('head');
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// TRANS: Title for leave group page after leaving.
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$this->element('title', null, sprintf(_m('TITLE','%1$s left group %2$s'),
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$this->scoped->nickname,
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$this->group->nickname));
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$this->elementEnd('head');
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$this->elementStart('body');
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$jf = new JoinForm($this, $this->group);
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$jf->show();
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$this->elementEnd('body');
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$this->endHTML();
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} else {
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common_redirect(common_local_url('groupmembers', array('nickname' => $this->group->nickname)), 303);
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}
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}
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}
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