friendica/mod/wall_attach.php

138 lines
3.7 KiB
PHP

<?php
/**
* @copyright Copyright (C) 2010-2022, the Friendica project
*
* @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/>.
*
*/
use Friendica\App;
use Friendica\Core\Session;
use Friendica\Core\System;
use Friendica\Database\DBA;
use Friendica\DI;
use Friendica\Model\Attach;
use Friendica\Model\User;
use Friendica\Util\Strings;
function wall_attach_post(App $a) {
$r_json = (!empty($_GET['response']) && $_GET['response']=='json');
if (DI::args()->getArgc() > 1) {
$nick = DI::args()->getArgv()[1];
$owner = User::getOwnerDataByNick($nick);
if (!DBA::isResult($owner)) {
if ($r_json) {
System::jsonExit(['error' => DI::l10n()->t('Invalid request.')]);
}
return;
}
} else {
if ($r_json) {
System::jsonExit(['error' => DI::l10n()->t('Invalid request.')]);
}
return;
}
$can_post = false;
$page_owner_uid = $owner['uid'];
$page_owner_cid = $owner['id'];
$community_page = $owner['page-flags'] == User::PAGE_FLAGS_COMMUNITY;
if (local_user() && (local_user() == $page_owner_uid)) {
$can_post = true;
} elseif ($community_page && !empty(Session::getRemoteContactID($page_owner_uid))) {
$contact_id = Session::getRemoteContactID($page_owner_uid);
$can_post = DBA::exists('contact', ['blocked' => false, 'pending' => false, 'id' => $contact_id, 'uid' => $page_owner_uid]);
}
if (!$can_post) {
if ($r_json) {
System::jsonExit(['error' => DI::l10n()->t('Permission denied.')]);
}
notice(DI::l10n()->t('Permission denied.') . EOL );
System::exit();
}
if (empty($_FILES['userfile'])) {
if ($r_json) {
System::jsonExit(['error' => DI::l10n()->t('Invalid request.')]);
}
System::exit();
}
$src = $_FILES['userfile']['tmp_name'];
$filename = basename($_FILES['userfile']['name']);
$filesize = intval($_FILES['userfile']['size']);
$maxfilesize = DI::config()->get('system','maxfilesize');
/* Found html code written in text field of form,
* when trying to upload a file with filesize
* greater than upload_max_filesize. Cause is unknown.
* Then Filesize gets <= 0.
*/
if ($filesize <= 0) {
$msg = DI::l10n()->t('Sorry, maybe your upload is bigger than the PHP configuration allows') . EOL .(DI::l10n()->t('Or - did you try to upload an empty file?'));
@unlink($src);
if ($r_json) {
System::jsonExit(['error' => $msg]);
} else {
notice($msg);
}
System::exit();
}
if ($maxfilesize && $filesize > $maxfilesize) {
$msg = DI::l10n()->t('File exceeds size limit of %s', Strings::formatBytes($maxfilesize));
@unlink($src);
if ($r_json) {
System::jsonExit(['error' => $msg]);
} else {
echo $msg . EOL;
}
System::exit();
}
$newid = Attach::storeFile($src, $page_owner_uid, $filename, '<' . $page_owner_cid . '>');
@unlink($src);
if ($newid === false) {
$msg = DI::l10n()->t('File upload failed.');
if ($r_json) {
System::jsonExit(['error' => $msg]);
} else {
echo $msg . EOL;
}
System::exit();
}
if ($r_json) {
System::jsonExit(['ok' => true, 'id' => $newid]);
}
$lf = "\n";
echo $lf . $lf . '[attachment]' . $newid . '[/attachment]' . $lf;
System::exit();
// NOTREACHED
}