friendica/mod/lockview.php

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<?php
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/**
* @copyright Copyright (C) 2020, Friendica
*
* @license GNU AGPL version 3 or any later version
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License as
* published by the Free Software Foundation, either version 3 of the
* License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Affero General Public License for more details.
*
* You should have received a copy of the GNU Affero General Public License
* along with this program. If not, see <https://www.gnu.org/licenses/>.
*
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*/
use Friendica\App;
use Friendica\Core\Hook;
use Friendica\Database\DBA;
use Friendica\DI;
use Friendica\Model\Group;
use Friendica\Model\Item;
function lockview_content(App $a)
{
$type = (($a->argc > 1) ? $a->argv[1] : 0);
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if (is_numeric($type)) {
$item_id = intval($type);
$type = 'item';
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} else {
$item_id = (($a->argc > 2) ? intval($a->argv[2]) : 0);
}
if (!$item_id) {
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exit();
}
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if (!in_array($type, ['item','photo','event'])) {
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exit();
}
$fields = ['uid', 'allow_cid', 'allow_gid', 'deny_cid', 'deny_gid'];
$condition = ['id' => $item_id];
if ($type != 'item') {
$item = DBA::selectFirst($type, $fields, $condition);
} else {
$fields[] = 'private';
$item = Item::selectFirst($fields, $condition);
}
if (!DBA::isResult($item)) {
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exit();
}
Hook::callAll('lockview_content', $item);
if ($item['uid'] != local_user()) {
echo DI::l10n()->t('Remote privacy information not available.') . '<br />';
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exit();
}
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if (isset($item['private'])
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&& $item['private'] == Item::PRIVATE
&& empty($item['allow_cid'])
&& empty($item['allow_gid'])
&& empty($item['deny_cid'])
&& empty($item['deny_gid']))
{
echo DI::l10n()->t('Remote privacy information not available.') . '<br />';
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exit();
}
$aclFormatter = DI::aclFormatter();
$allowed_users = $aclFormatter->expand($item['allow_cid']);
$allowed_groups = $aclFormatter->expand($item['allow_gid']);
$deny_users = $aclFormatter->expand($item['deny_cid']);
$deny_groups = $aclFormatter->expand($item['deny_gid']);
$o = DI::l10n()->t('Visible to:') . '<br />';
$l = [];
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if (count($allowed_groups)) {
$key = array_search(Group::FOLLOWERS, $allowed_groups);
if ($key !== false) {
$l[] = '<b>' . DI::l10n()->t('Followers') . '</b>';
unset($allowed_groups[$key]);
}
$key = array_search(Group::MUTUALS, $allowed_groups);
if ($key !== false) {
$l[] = '<b>' . DI::l10n()->t('Mutuals') . '</b>';
unset($allowed_groups[$key]);
}
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$r = q("SELECT `name` FROM `group` WHERE `id` IN ( %s )",
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DBA::escape(implode(', ', $allowed_groups))
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);
if (DBA::isResult($r)) {
foreach ($r as $rr) {
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$l[] = '<b>' . $rr['name'] . '</b>';
}
}
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}
if (count($allowed_users)) {
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$r = q("SELECT `name` FROM `contact` WHERE `id` IN ( %s )",
DBA::escape(implode(', ', $allowed_users))
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);
if (DBA::isResult($r)) {
foreach ($r as $rr) {
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$l[] = $rr['name'];
}
}
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}
if (count($deny_groups)) {
$key = array_search(Group::FOLLOWERS, $deny_groups);
if ($key !== false) {
$l[] = '<b><strike>' . DI::l10n()->t('Followers') . '</strike></b>';
unset($deny_groups[$key]);
}
$key = array_search(Group::MUTUALS, $deny_groups);
if ($key !== false) {
$l[] = '<b><strike>' . DI::l10n()->t('Mutuals') . '</strike></b>';
unset($deny_groups[$key]);
}
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$r = q("SELECT `name` FROM `group` WHERE `id` IN ( %s )",
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DBA::escape(implode(', ', $deny_groups))
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);
if (DBA::isResult($r)) {
foreach ($r as $rr) {
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$l[] = '<b><strike>' . $rr['name'] . '</strike></b>';
}
}
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}
if (count($deny_users)) {
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$r = q("SELECT `name` FROM `contact` WHERE `id` IN ( %s )",
DBA::escape(implode(', ', $deny_users))
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);
if (DBA::isResult($r)) {
foreach ($r as $rr) {
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$l[] = '<strike>' . $rr['name'] . '</strike>';
}
}
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}
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echo $o . implode(', ', $l);
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exit();
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}