151 lines
4 KiB
PHP
151 lines
4 KiB
PHP
<?php
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/**
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* @copyright Copyright (C) 2010-2021, 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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use Friendica\App;
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use Friendica\Core\Session;
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use Friendica\Database\DBA;
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use Friendica\DI;
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use Friendica\Model\Attach;
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use Friendica\Model\User;
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use Friendica\Util\Strings;
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function wall_attach_post(App $a) {
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$r_json = (!empty($_GET['response']) && $_GET['response']=='json');
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if (DI::args()->getArgc() > 1) {
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$nick = DI::args()->getArgv()[1];
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$r = q("SELECT `user`.*, `contact`.`id` FROM `user` LEFT JOIN `contact` on `user`.`uid` = `contact`.`uid` WHERE `user`.`nickname` = '%s' AND `user`.`blocked` = 0 and `contact`.`self` = 1 LIMIT 1",
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DBA::escape($nick)
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);
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if (! DBA::isResult($r)) {
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if ($r_json) {
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echo json_encode(['error' => DI::l10n()->t('Invalid request.')]);
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exit();
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}
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return;
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}
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} else {
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if ($r_json) {
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echo json_encode(['error' => DI::l10n()->t('Invalid request.')]);
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exit();
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}
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return;
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}
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$can_post = false;
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$page_owner_uid = $r[0]['uid'];
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$page_owner_cid = $r[0]['id'];
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$community_page = (($r[0]['page-flags'] == User::PAGE_FLAGS_COMMUNITY) ? true : false);
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if (local_user() && (local_user() == $page_owner_uid)) {
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$can_post = true;
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} elseif ($community_page && !empty(Session::getRemoteContactID($page_owner_uid))) {
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$contact_id = Session::getRemoteContactID($page_owner_uid);
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$r = q("SELECT `uid` FROM `contact` WHERE `blocked` = 0 AND `pending` = 0 AND `id` = %d AND `uid` = %d LIMIT 1",
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intval($contact_id),
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intval($page_owner_uid)
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);
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if (DBA::isResult($r)) {
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$can_post = true;
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}
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}
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if (!$can_post) {
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if ($r_json) {
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echo json_encode(['error' => DI::l10n()->t('Permission denied.')]);
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exit();
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}
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notice(DI::l10n()->t('Permission denied.') . EOL );
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exit();
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}
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if (empty($_FILES['userfile'])) {
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if ($r_json) {
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echo json_encode(['error' => DI::l10n()->t('Invalid request.')]);
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}
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exit();
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}
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$src = $_FILES['userfile']['tmp_name'];
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$filename = basename($_FILES['userfile']['name']);
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$filesize = intval($_FILES['userfile']['size']);
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$maxfilesize = DI::config()->get('system','maxfilesize');
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/* Found html code written in text field of form,
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* when trying to upload a file with filesize
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* greater than upload_max_filesize. Cause is unknown.
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* Then Filesize gets <= 0.
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*/
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if ($filesize <= 0) {
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$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?'));
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if ($r_json) {
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echo json_encode(['error' => $msg]);
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} else {
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notice($msg);
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}
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@unlink($src);
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exit();
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}
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if ($maxfilesize && $filesize > $maxfilesize) {
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$msg = DI::l10n()->t('File exceeds size limit of %s', Strings::formatBytes($maxfilesize));
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if ($r_json) {
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echo json_encode(['error' => $msg]);
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} else {
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echo $msg . EOL;
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}
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@unlink($src);
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exit();
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}
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$newid = Attach::storeFile($src, $page_owner_uid, $filename, '<' . $page_owner_cid . '>');
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@unlink($src);
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if ($newid === false) {
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$msg = DI::l10n()->t('File upload failed.');
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if ($r_json) {
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echo json_encode(['error' => $msg]);
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} else {
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echo $msg . EOL;
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}
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exit();
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}
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if ($r_json) {
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echo json_encode(['ok' => true, 'id' => $newid]);
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exit();
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}
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$lf = "\n";
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echo $lf . $lf . '[attachment]' . $newid . '[/attachment]' . $lf;
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exit();
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// NOTREACHED
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}
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