<?php /** * @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/>. * */ use Friendica\App; use Friendica\Core\Session; 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']) && $_GET['response']=='json'); if ($a->argc > 1) { $nick = $a->argv[1]; $r = q("SELECT `user`.*, `contact`.`id` FROM `user` LEFT JOIN `contact` on `user`.`uid` = `contact`.`uid` WHERE `user`.`nickname` = '%s' AND `user`.`blocked` = 0 and `contact`.`self` = 1 LIMIT 1", DBA::escape($nick) ); if (! DBA::isResult($r)) { if ($r_json) { echo json_encode(['error' => DI::l10n()->t('Invalid request.')]); exit(); } return; } } else { if ($r_json) { echo json_encode(['error' => DI::l10n()->t('Invalid request.')]); exit(); } return; } $can_post = false; $page_owner_uid = $r[0]['uid']; $page_owner_cid = $r[0]['id']; $community_page = (($r[0]['page-flags'] == User::PAGE_FLAGS_COMMUNITY) ? true : false); 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); $r = q("SELECT `uid` FROM `contact` WHERE `blocked` = 0 AND `pending` = 0 AND `id` = %d AND `uid` = %d LIMIT 1", intval($contact_id), intval($page_owner_uid) ); if (DBA::isResult($r)) { $can_post = true; } } if (!$can_post) { if ($r_json) { echo json_encode(['error' => DI::l10n()->t('Permission denied.')]); exit(); } notice(DI::l10n()->t('Permission denied.') . EOL ); exit(); } if (empty($_FILES['userfile'])) { if ($r_json) { echo json_encode(['error' => DI::l10n()->t('Invalid request.')]); } 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) { $msg = DI::l10n()->t('Sorry, maybe your upload is bigger than the PHP configuration allows') . EOL .(DI::l10n()->t('Or - did you try to upload an empty file?')); if ($r_json) { echo json_encode(['error' => $msg]); } else { notice($msg); } @unlink($src); exit(); } if ($maxfilesize && $filesize > $maxfilesize) { $msg = DI::l10n()->t('File exceeds size limit of %s', Strings::formatBytes($maxfilesize)); if ($r_json) { echo json_encode(['error' => $msg]); } else { echo $msg . EOL; } @unlink($src); 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) { echo json_encode(['error' => $msg]); } else { echo $msg . EOL; } exit(); } if ($r_json) { echo json_encode(['ok' => true, 'id' => $newid]); exit(); } $lf = "\n"; echo $lf . $lf . '[attachment]' . $newid . '[/attachment]' . $lf; exit(); // NOTREACHED }