mirror of https://github.com/friendica/friendica
679 lines
18 KiB
PHP
679 lines
18 KiB
PHP
<?php
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/**
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* @copyright Copyright (C) 2010-2022, the Friendica project
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*
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* @license GNU AGPL version 3 or any later version
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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
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* published by the Free Software Foundation, either version 3 of the
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* License, or (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 <https://www.gnu.org/licenses/>.
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*
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*/
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namespace Friendica\Model;
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use Friendica\BaseModule;
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use Friendica\Core\Logger;
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use Friendica\Core\Protocol;
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use Friendica\Core\Renderer;
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use Friendica\Database\Database;
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use Friendica\Database\DBA;
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use Friendica\DI;
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use Friendica\Network\HTTPException;
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use Friendica\Protocol\ActivityPub;
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/**
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* functions for interacting with the group database table
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*/
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class Group
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{
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const FOLLOWERS = '~';
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const MUTUALS = '&';
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/**
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* Fetches group record by user id and maybe includes deleted groups as well
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*
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* @param int $uid User id to fetch group(s) for
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* @param bool $includesDeleted Whether deleted groups should be included
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* @return array|bool Array on success, bool on error
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*/
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public static function getByUserId(int $uid, bool $includesDeleted = false)
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{
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$conditions = ['uid' => $uid, 'cid' => null];
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if (!$includesDeleted) {
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$conditions['deleted'] = false;
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}
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return DBA::selectToArray('group', [], $conditions);
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}
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/**
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* Checks whether given group id is found in database
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*
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* @param int $group_id Groupd it
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* @param int $uid Optional user id
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* @return bool
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* @throws \Exception
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*/
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public static function exists(int $group_id, int $uid = null): bool
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{
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$condition = ['id' => $group_id, 'deleted' => false];
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if (!is_null($uid)) {
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$condition = [
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'uid' => $uid
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];
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}
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return DBA::exists('group', $condition);
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}
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/**
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* Create a new contact group
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*
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* Note: If we found a deleted group with the same name, we restore it
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*
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* @param int $uid User id to create group for
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* @param string $name Name of group
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* @return int|boolean Id of newly created group or false on error
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* @throws \Exception
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*/
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public static function create(int $uid, string $name)
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{
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$return = false;
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if (!empty($uid) && !empty($name)) {
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$gid = self::getIdByName($uid, $name); // check for dupes
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if ($gid !== false) {
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// This could be a problem.
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// Let's assume we've just created a group which we once deleted
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// all the old members are gone, but the group remains so we don't break any security
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// access lists. What we're doing here is reviving the dead group, but old content which
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// was restricted to this group may now be seen by the new group members.
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$group = DBA::selectFirst('group', ['deleted'], ['id' => $gid]);
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if (DBA::isResult($group) && $group['deleted']) {
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DBA::update('group', ['deleted' => 0], ['id' => $gid]);
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notice(DI::l10n()->t('A deleted group with this name was revived. Existing item permissions <strong>may</strong> apply to this group and any future members. If this is not what you intended, please create another group with a different name.'));
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}
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return true;
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}
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$return = DBA::insert('group', ['uid' => $uid, 'name' => $name]);
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if ($return) {
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$return = DBA::lastInsertId();
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}
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}
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return $return;
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}
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/**
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* Update group information.
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*
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* @param int $id Group ID
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* @param string $name Group name
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*
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* @return bool Was the update successful?
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* @throws \Exception
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*/
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public static function update(int $id, string $name): bool
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{
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return DBA::update('group', ['name' => $name], ['id' => $id]);
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}
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/**
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* Get a list of group ids a contact belongs to
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*
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* @param int $cid Contact id
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* @return array Group ids
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* @throws \Exception
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*/
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public static function getIdsByContactId(int $cid): array
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{
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$contact = Contact::getById($cid, ['rel']);
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if (!$contact) {
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return [];
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}
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$groupIds = [];
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$stmt = DBA::select('group_member', ['gid'], ['contact-id' => $cid]);
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while ($group = DBA::fetch($stmt)) {
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$groupIds[] = $group['gid'];
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}
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DBA::close($stmt);
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// Meta-groups
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if ($contact['rel'] == Contact::FOLLOWER || $contact['rel'] == Contact::FRIEND) {
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$groupIds[] = self::FOLLOWERS;
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}
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if ($contact['rel'] == Contact::FRIEND) {
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$groupIds[] = self::MUTUALS;
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}
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return $groupIds;
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}
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/**
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* count unread group items
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*
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* Count unread items of each groups of the local user
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*
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* @return array
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* 'id' => group id
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* 'name' => group name
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* 'count' => counted unseen group items
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* @throws \Exception
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*/
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public static function countUnseen()
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{
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$stmt = DBA::p("SELECT `group`.`id`, `group`.`name`,
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(SELECT COUNT(*) FROM `post-user`
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WHERE `uid` = ?
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AND `unseen`
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AND `contact-id` IN
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(SELECT `contact-id`
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FROM `group_member`
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WHERE `group_member`.`gid` = `group`.`id`)
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) AS `count`
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FROM `group`
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WHERE `group`.`uid` = ?;",
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local_user(),
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local_user()
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);
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return DBA::toArray($stmt);
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}
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/**
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* Get the group id for a user/name couple
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*
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* Returns false if no group has been found.
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*
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* @param int $uid User id
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* @param string $name Group name
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* @return int|boolean Groups' id number or false on error
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* @throws \Exception
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*/
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public static function getIdByName(int $uid, string $name)
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{
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if (!$uid || !strlen($name)) {
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return false;
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}
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$group = DBA::selectFirst('group', ['id'], ['uid' => $uid, 'name' => $name]);
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if (DBA::isResult($group)) {
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return $group['id'];
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}
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return false;
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}
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/**
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* Mark a group as deleted
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*
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* @param int $gid
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* @return boolean
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* @throws \Exception
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*/
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public static function remove(int $gid): bool
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{
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if (!$gid) {
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return false;
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}
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$group = DBA::selectFirst('group', ['uid'], ['id' => $gid]);
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if (!DBA::isResult($group)) {
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return false;
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}
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// remove group from default posting lists
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$user = DBA::selectFirst('user', ['def_gid', 'allow_gid', 'deny_gid'], ['uid' => $group['uid']]);
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if (DBA::isResult($user)) {
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$change = false;
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if ($user['def_gid'] == $gid) {
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$user['def_gid'] = 0;
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$change = true;
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}
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if (strpos($user['allow_gid'], '<' . $gid . '>') !== false) {
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$user['allow_gid'] = str_replace('<' . $gid . '>', '', $user['allow_gid']);
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$change = true;
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}
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if (strpos($user['deny_gid'], '<' . $gid . '>') !== false) {
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$user['deny_gid'] = str_replace('<' . $gid . '>', '', $user['deny_gid']);
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$change = true;
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}
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if ($change) {
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DBA::update('user', $user, ['uid' => $group['uid']]);
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}
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}
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// remove all members
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DBA::delete('group_member', ['gid' => $gid]);
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// remove group
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$return = DBA::update('group', ['deleted' => 1], ['id' => $gid]);
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return $return;
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}
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/**
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* Adds a contact to a group
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*
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* @param int $gid
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* @param int $cid
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* @return boolean
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* @throws \Exception
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*/
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public static function addMember(int $gid, int $cid): bool
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{
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if (!$gid || !$cid) {
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return false;
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}
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// @TODO Backward compatibility with user contacts, remove by version 2022.03
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$group = DBA::selectFirst('group', ['uid'], ['id' => $gid]);
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if (empty($group)) {
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throw new HTTPException\NotFoundException('Group not found.');
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}
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$cdata = Contact::getPublicAndUserContactID($cid, $group['uid']);
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if (empty($cdata['user'])) {
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throw new HTTPException\NotFoundException('Invalid contact.');
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}
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return DBA::insert('group_member', ['gid' => $gid, 'contact-id' => $cdata['user']], Database::INSERT_IGNORE);
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}
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/**
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* Removes a contact from a group
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*
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* @param int $gid
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* @param int $cid
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* @return boolean
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* @throws \Exception
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*/
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public static function removeMember(int $gid, int $cid): bool
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{
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if (!$gid || !$cid) {
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return false;
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}
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// @TODO Backward compatibility with user contacts, remove by version 2022.03
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$group = DBA::selectFirst('group', ['uid'], ['id' => $gid]);
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if (empty($group)) {
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throw new HTTPException\NotFoundException('Group not found.');
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}
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$cdata = Contact::getPublicAndUserContactID($cid, $group['uid']);
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if (empty($cdata['user'])) {
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throw new HTTPException\NotFoundException('Invalid contact.');
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}
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return DBA::delete('group_member', ['gid' => $gid, 'contact-id' => $cid]);
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}
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/**
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* Adds contacts to a group
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*
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* @param int $gid
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* @param array $contacts Array with contact ids
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* @return void
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* @throws \Exception
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*/
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public static function addMembers(int $gid, array $contacts)
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{
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if (!$gid || !$contacts) {
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return;
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}
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// @TODO Backward compatibility with user contacts, remove by version 2022.03
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$group = DBA::selectFirst('group', ['uid'], ['id' => $gid]);
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if (empty($group)) {
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throw new HTTPException\NotFoundException('Group not found.');
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}
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foreach ($contacts as $cid) {
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$cdata = Contact::getPublicAndUserContactID($cid, $group['uid']);
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if (empty($cdata['user'])) {
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throw new HTTPException\NotFoundException('Invalid contact.');
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}
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DBA::insert('group_member', ['gid' => $gid, 'contact-id' => $cdata['user']], Database::INSERT_IGNORE);
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}
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}
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/**
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* Removes contacts from a group
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*
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* @param int $gid Group id
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* @param array $contacts Contact ids
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* @return bool
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* @throws \Exception
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*/
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public static function removeMembers(int $gid, array $contacts)
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{
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if (!$gid || !$contacts) {
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return false;
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}
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// @TODO Backward compatibility with user contacts, remove by version 2022.03
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$group = DBA::selectFirst('group', ['uid'], ['id' => $gid]);
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if (empty($group)) {
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throw new HTTPException\NotFoundException('Group not found.');
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}
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$contactIds = [];
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foreach ($contacts as $cid) {
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$cdata = Contact::getPublicAndUserContactID($cid, $group['uid']);
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if (empty($cdata['user'])) {
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throw new HTTPException\NotFoundException('Invalid contact.');
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}
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$contactIds[] = $cdata['user'];
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}
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// Return status of deletion
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return DBA::delete('group_member', ['gid' => $gid, 'contact-id' => $contactIds]);
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}
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/**
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* Returns the combined list of contact ids from a group id list
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*
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* @param int $uid User id
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* @param array $group_ids Groups ids
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* @param boolean $check_dead Whether check "dead" records (?)
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* @return array
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* @throws \Exception
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*/
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public static function expand(int $uid, array $group_ids, bool $check_dead = false): array
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{
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if (!is_array($group_ids) || !count($group_ids)) {
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return [];
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}
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$return = [];
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$pubmail = false;
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$networks = Protocol::SUPPORT_PRIVATE;
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$mailacct = DBA::selectFirst('mailacct', ['pubmail'], ['`uid` = ? AND `server` != ""', $uid]);
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if (DBA::isResult($mailacct)) {
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$pubmail = $mailacct['pubmail'];
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}
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if (!$pubmail) {
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$networks = array_diff($networks, [Protocol::MAIL]);
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}
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$key = array_search(self::FOLLOWERS, $group_ids);
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if ($key !== false) {
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$followers = Contact::selectToArray(['id'], [
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'uid' => $uid,
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'rel' => [Contact::FOLLOWER, Contact::FRIEND],
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'network' => $networks,
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'contact-type' => [Contact::TYPE_UNKNOWN, Contact::TYPE_PERSON],
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'archive' => false,
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'pending' => false,
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'blocked' => false,
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]);
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foreach ($followers as $follower) {
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$return[] = $follower['id'];
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}
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unset($group_ids[$key]);
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}
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$key = array_search(self::MUTUALS, $group_ids);
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if ($key !== false) {
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$mutuals = Contact::selectToArray(['id'], [
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'uid' => $uid,
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'rel' => [Contact::FRIEND],
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'network' => $networks,
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'contact-type' => [Contact::TYPE_UNKNOWN, Contact::TYPE_PERSON],
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'archive' => false,
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'pending' => false,
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'blocked' => false,
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]);
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foreach ($mutuals as $mutual) {
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$return[] = $mutual['id'];
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}
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unset($group_ids[$key]);
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}
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$stmt = DBA::select('group_member', ['contact-id'], ['gid' => $group_ids]);
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while ($group_member = DBA::fetch($stmt)) {
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$return[] = $group_member['contact-id'];
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}
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DBA::close($stmt);
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if ($check_dead) {
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$return = Contact::pruneUnavailable($return);
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}
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return $return;
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}
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/**
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* Returns a templated group selection list
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*
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* @param int $uid User id
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* @param int $gid An optional pre-selected group
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* @param string $label An optional label of the list
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* @return string
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* @throws \Exception
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*/
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public static function displayGroupSelection(int $uid, int $gid = 0, string $label = ''): string
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{
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$display_groups = [
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[
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'name' => '',
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'id' => '0',
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'selected' => ''
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]
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];
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$stmt = DBA::select('group', [], ['deleted' => false, 'uid' => $uid, 'cid' => null], ['order' => ['name']]);
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while ($group = DBA::fetch($stmt)) {
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$display_groups[] = [
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'name' => $group['name'],
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'id' => $group['id'],
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'selected' => $gid == $group['id'] ? 'true' : ''
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];
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}
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DBA::close($stmt);
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Logger::info('Got groups', $display_groups);
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if ($label == '') {
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$label = DI::l10n()->t('Default privacy group for new contacts');
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}
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$o = Renderer::replaceMacros(Renderer::getMarkupTemplate('group_selection.tpl'), [
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'$label' => $label,
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'$groups' => $display_groups
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]);
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return $o;
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}
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/**
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* Create group sidebar widget
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*
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* @param string $every
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* @param string $each
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* @param string $editmode
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* 'standard' => include link 'Edit groups'
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* 'extended' => include link 'Create new group'
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* 'full' => include link 'Create new group' and provide for each group a link to edit this group
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* @param string|int $group_id Distinct group id or 'everyone'
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* @param int $cid Contact id
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* @return string Sidebar widget HTML code
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* @throws \Exception
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*/
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public static function sidebarWidget(string $every = 'contact', string $each = 'group', string $editmode = 'standard', $group_id = '', int $cid = 0)
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{
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if (!local_user()) {
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return '';
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}
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$display_groups = [
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[
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'text' => DI::l10n()->t('Everybody'),
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'id' => 0,
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'selected' => (($group_id === 'everyone') ? 'group-selected' : ''),
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'href' => $every,
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]
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];
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$member_of = [];
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if ($cid) {
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$member_of = self::getIdsByContactId($cid);
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}
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$stmt = DBA::select('group', [], ['deleted' => false, 'uid' => local_user(), 'cid' => null], ['order' => ['name']]);
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while ($group = DBA::fetch($stmt)) {
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|
$selected = (($group_id == $group['id']) ? ' group-selected' : '');
|
|
|
|
if ($editmode == 'full') {
|
|
$groupedit = [
|
|
'href' => 'group/' . $group['id'],
|
|
'title' => DI::l10n()->t('edit'),
|
|
];
|
|
} else {
|
|
$groupedit = null;
|
|
}
|
|
|
|
if ($each == 'group') {
|
|
$count = DBA::count('group_member', ['gid' => $group['id']]);
|
|
$group_name = sprintf('%s (%d)', $group['name'], $count);
|
|
} else {
|
|
$group_name = $group['name'];
|
|
}
|
|
|
|
$display_groups[] = [
|
|
'id' => $group['id'],
|
|
'cid' => $cid,
|
|
'text' => $group_name,
|
|
'href' => $each . '/' . $group['id'],
|
|
'edit' => $groupedit,
|
|
'selected' => $selected,
|
|
'ismember' => in_array($group['id'], $member_of),
|
|
];
|
|
}
|
|
DBA::close($stmt);
|
|
|
|
// Don't show the groups on the network page when there is only one
|
|
if ((count($display_groups) <= 2) && ($each == 'network')) {
|
|
return '';
|
|
}
|
|
|
|
$tpl = Renderer::getMarkupTemplate('group_side.tpl');
|
|
$o = Renderer::replaceMacros($tpl, [
|
|
'$add' => DI::l10n()->t('add'),
|
|
'$title' => DI::l10n()->t('Groups'),
|
|
'$groups' => $display_groups,
|
|
'newgroup' => $editmode == 'extended' || $editmode == 'full' ? 1 : '',
|
|
'grouppage' => 'group/',
|
|
'$edittext' => DI::l10n()->t('Edit group'),
|
|
'$ungrouped' => $every === 'contact' ? DI::l10n()->t('Contacts not in any group') : '',
|
|
'$ungrouped_selected' => (($group_id === 'none') ? 'group-selected' : ''),
|
|
'$createtext' => DI::l10n()->t('Create a new group'),
|
|
'$creategroup' => DI::l10n()->t('Group Name: '),
|
|
'$editgroupstext' => DI::l10n()->t('Edit groups'),
|
|
'$form_security_token' => BaseModule::getFormSecurityToken('group_edit'),
|
|
]);
|
|
|
|
return $o;
|
|
}
|
|
|
|
/**
|
|
* Fetch the group id for the given contact id
|
|
*
|
|
* @param integer $id Contact ID
|
|
* @return integer Group IO
|
|
*/
|
|
public static function getIdForForum(int $id): int
|
|
{
|
|
Logger::info('Get id for forum id', ['id' => $id]);
|
|
$contact = Contact::getById($id, ['uid', 'name', 'contact-type', 'manually-approve']);
|
|
if (empty($contact) || ($contact['contact-type'] != Contact::TYPE_COMMUNITY) || !$contact['manually-approve']) {
|
|
return 0;
|
|
}
|
|
|
|
$group = DBA::selectFirst('group', ['id'], ['uid' => $contact['uid'], 'cid' => $id]);
|
|
if (empty($group)) {
|
|
$fields = [
|
|
'uid' => $contact['uid'],
|
|
'name' => $contact['name'],
|
|
'cid' => $id,
|
|
];
|
|
DBA::insert('group', $fields);
|
|
$gid = DBA::lastInsertId();
|
|
} else {
|
|
$gid = $group['id'];
|
|
}
|
|
|
|
return $gid;
|
|
}
|
|
|
|
/**
|
|
* Fetch the followers of a given contact id and store them as group members
|
|
*
|
|
* @param integer $id Contact ID
|
|
* @return void
|
|
*/
|
|
public static function updateMembersForForum(int $id)
|
|
{
|
|
Logger::info('Update forum members', ['id' => $id]);
|
|
|
|
$contact = Contact::getById($id, ['uid', 'url']);
|
|
if (empty($contact)) {
|
|
return;
|
|
}
|
|
|
|
$apcontact = APContact::getByURL($contact['url']);
|
|
if (empty($apcontact['followers'])) {
|
|
return;
|
|
}
|
|
|
|
$gid = self::getIdForForum($id);
|
|
if (empty($gid)) {
|
|
return;
|
|
}
|
|
|
|
$group_members = DBA::selectToArray('group_member', ['contact-id'], ['gid' => $gid]);
|
|
if (!empty($group_members)) {
|
|
$current = array_unique(array_column($group_members, 'contact-id'));
|
|
} else {
|
|
$current = [];
|
|
}
|
|
|
|
foreach (ActivityPub::fetchItems($apcontact['followers'], $contact['uid']) as $follower) {
|
|
$id = Contact::getIdForURL($follower);
|
|
if (!in_array($id, $current)) {
|
|
DBA::insert('group_member', ['gid' => $gid, 'contact-id' => $id]);
|
|
} else {
|
|
$key = array_search($id, $current);
|
|
unset($current[$key]);
|
|
}
|
|
}
|
|
|
|
DBA::delete('group_member', ['gid' => $gid, 'contact-id' => $current]);
|
|
Logger::info('Updated forum members', ['id' => $id, 'count' => DBA::count('group_member', ['gid' => $gid])]);
|
|
}
|
|
}
|