forked from GNUsocial/gnu-social
100 lines
3.1 KiB
PHP
100 lines
3.1 KiB
PHP
<?php
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/*
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* StatusNet - the distributed open-source microblogging tool
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* Copyright (C) 2010, StatusNet, Inc.
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*
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* 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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/**
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* Background job to delete prolific users without disrupting front-end too much.
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*
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* Up to 50 messages are deleted on each run through; when all messages are gone,
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* the actual account is deleted.
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*
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* @package QueueHandler
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* @maintainer Brion Vibber <brion@status.net>
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*/
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class DelUserQueueHandler extends QueueHandler
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{
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const DELETION_WINDOW = 50;
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public function transport()
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{
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return 'deluser';
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}
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public function handle($user)
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{
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if (!($user instanceof User)) {
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common_log(LOG_ERR, "Got a bogus user, not deleting");
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return true;
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}
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$user = User::staticGet('id', $user->id);
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if (!$user) {
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common_log(LOG_INFO, "User {$user->nickname} was deleted before we got here.");
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return true;
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}
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try {
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if (!$user->hasRole(Profile_role::DELETED)) {
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common_log(LOG_INFO, "User {$user->nickname} is not pending deletion; aborting.");
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return true;
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}
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} catch (UserNoProfileException $unp) {
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common_log(LOG_INFO, "Deleting user {$user->nickname} with no profile... probably a good idea!");
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}
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$notice = $this->getNextBatch($user);
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if ($notice->N) {
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common_log(LOG_INFO, "Deleting next {$notice->N} notices by {$user->nickname}");
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while ($notice->fetch()) {
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$del = clone($notice);
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$del->delete();
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}
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// @todo improve reliability in case we died during the above deletions
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// with a fatal error. If the job is lost, we should perform some kind
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// of garbage collection later.
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// Queue up the next batch.
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$qm = QueueManager::get();
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$qm->enqueue($user, 'deluser');
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} else {
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// Out of notices? Let's finish deleting this guy!
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$user->delete();
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common_log(LOG_INFO, "User $user->id $user->nickname deleted.");
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return true;
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}
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return true;
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}
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/**
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* Fetch the next self::DELETION_WINDOW messages for this user.
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* @return Notice
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*/
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protected function getNextBatch(User $user)
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{
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$notice = new Notice();
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$notice->profile_id = $user->id;
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$notice->limit(self::DELETION_WINDOW);
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$notice->find();
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return $notice;
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}
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}
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