123 lines
4.3 KiB
PHP
123 lines
4.3 KiB
PHP
<?php
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// {{{ License
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// This file is part of GNU social - https://www.gnu.org/software/social
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//
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// GNU social 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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// GNU social 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 GNU social. If not, see <http://www.gnu.org/licenses/>.
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// }}}
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namespace Plugin\FileQuota;
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use App\Core\Cache;
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use App\Core\DB\DB;
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use App\Core\Event;
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use function App\Core\I18n\_m;
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use App\Core\Modules\Plugin;
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use App\Util\Common;
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use App\Util\Exception\ClientException;
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use App\Util\Exception\ServerException;
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/**
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* Check attachment file size quotas
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*
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* @package GNUsocial
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* @ccategory Attachment
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*
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* @author Hugo Sales <hugo@hsal.es>
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* @copyright 2021 Free Software Foundation, Inc http://www.fsf.org
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* @license https://www.gnu.org/licenses/agpl.html GNU AGPL v3 or later
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*/
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class FileQuota extends Plugin
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{
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public function version(): string
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{
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return '1.0.0';
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}
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/**
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* Check file size to ensure it respects configured file size
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* quotas. Handles per file, per user and per user-month quotas.
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* Throws on quota violations
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*
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* @param int $filesize
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* @param int $user_id
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*
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* @throws ClientException
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* @throws ServerException
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*
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* @return bool
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*/
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public function onEnforceUserFileQuota(int $filesize, int $user_id): bool
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{
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$query = <<<END
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select sum(at.size) as total
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from attachment at
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join gsactor_to_attachment ua with at.id = ua.attachment_id
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where ua.gsactor_id = :actor_id and at.size is not null
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END;
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$max_user_quota = Common::config('attachments', 'user_quota');
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if ($max_user_quota !== false) { // If not disabled
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$cache_key_user_total = "FileQuota-total-user-{$user_id}";
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$user_total = Cache::get($cache_key_user_total, fn () => DB::dql($query, ['actor_id' => $user_id])[0]['total']);
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Cache::set($cache_key_user_total, $user_total + $filesize);
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if ($user_total + $filesize > $max_user_quota) {
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// TRANS: Message given if an upload would exceed user quota.
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throw new ClientException(_m('A file this large would exceed your user quota of {quota} bytes.', ['quota' => $max_user_quota]));
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}
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}
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$query .= ' AND MONTH(at.modified) = MONTH(CURRENT_DATE())'
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. ' AND YEAR(at.modified) = YEAR(CURRENT_DATE())';
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$monthly_quota = Common::config('attachments', 'monthly_quota');
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if ($monthly_quota !== false) { // If not disabled
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$cache_key_user_monthly = "FileQuota-monthly-user-{$user_id}";
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$monthly_total = Cache::get($cache_key_user_monthly, fn () => DB::dql($query, ['actor_id' => $user_id])[0]['total']);
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Cache::set($cache_key_user_monthly, $monthly_total + $filesize);
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if ($monthly_total + $filesize > $monthly_quota) {
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// TRANS: Message given if an upload would exceed user quota.
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throw new ClientException(_m('A file this large would exceed your monthly quota of {quota} bytes.', ['quota' => $monthly_quota]));
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}
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}
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return Event::next;
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}
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/**
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* Event raised when GNU social polls the plugin for information about it.
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* Adds this plugin's version information to $versions array
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*
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* @param &$versions array inherited from parent
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*
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* @return bool true hook value
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*/
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public function onPluginVersion(array &$versions): bool
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{
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$versions[] = [
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'name' => 'FileQuota',
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'version' => $this->version(),
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'author' => 'Hugo Sales',
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'homepage' => GNUSOCIAL_PROJECT_URL,
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'description' => // TRANS: Plugin description.
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_m('Plugin to manage user quotas.'),
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];
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return Event::next;
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}
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}
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