<?php /** * @file mod/wall_attach.php */ use Friendica\App; use Friendica\Core\Config; use Friendica\Core\L10n; use Friendica\Core\System; use Friendica\Database\DBA; use Friendica\Model\Contact; use Friendica\Util\DateTimeFormat; use Friendica\Util\Mimetype; function wall_attach_post(App $a) { $r_json = (x($_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' => L10n::t('Invalid request.')]); killme(); } return; } } else { if ($r_json) { echo json_encode(['error' => L10n::t('Invalid request.')]); killme(); } return; } $can_post = false; $visitor = 0; $page_owner_uid = $r[0]['uid']; $page_owner_cid = $r[0]['id']; $page_owner_nick = $r[0]['nickname']; $community_page = (($r[0]['page-flags'] == Contact::PAGE_COMMUNITY) ? true : false); if ((local_user()) && (local_user() == $page_owner_uid)) { $can_post = true; } else { if ($community_page && remote_user()) { $contact_id = 0; if (is_array($_SESSION['remote'])) { foreach ($_SESSION['remote'] as $v) { if ($v['uid'] == $page_owner_uid) { $contact_id = $v['cid']; break; } } } if ($contact_id > 0) { $r = q("SELECT `uid` FROM `contact` WHERE `blocked` = 0 AND `pending` = 0 AND `id` = %d AND `uid` = %d LIMIT 1", intval($contact_id), intval($page_owner_uid) ); if (DBA::isResult($r)) { $can_post = true; $visitor = $contact_id; } } } } if (! $can_post) { if ($r_json) { echo json_encode(['error' => L10n::t('Permission denied.')]); killme(); } notice(L10n::t('Permission denied.') . EOL ); killme(); } if (! x($_FILES,'userfile')) { if ($r_json) { echo json_encode(['error' => L10n::t('Invalid request.')]); } killme(); } $src = $_FILES['userfile']['tmp_name']; $filename = basename($_FILES['userfile']['name']); $filesize = intval($_FILES['userfile']['size']); $maxfilesize = Config::get('system','maxfilesize'); /* Found html code written in text field of form, * when trying to upload a file with filesize * greater than upload_max_filesize. Cause is unknown. * Then Filesize gets <= 0. */ if ($filesize <= 0) { $msg = L10n::t('Sorry, maybe your upload is bigger than the PHP configuration allows') . EOL .(L10n::t('Or - did you try to upload an empty file?')); if ($r_json) { echo json_encode(['error' => $msg]); } else { notice($msg . EOL); } @unlink($src); killme(); } if ($maxfilesize && $filesize > $maxfilesize) { $msg = L10n::t('File exceeds size limit of %s', formatBytes($maxfilesize)); if ($r_json) { echo json_encode(['error' => $msg]); } else { echo $msg . EOL ; } @unlink($src); killme(); } $filedata = @file_get_contents($src); $mimetype = Mimetype::getContentType($filename); $hash = System::createGUID(64); $created = DateTimeFormat::utcNow(); $fields = ['uid' => $page_owner_uid, 'hash' => $hash, 'filename' => $filename, 'filetype' => $mimetype, 'filesize' => $filesize, 'data' => $filedata, 'created' => $created, 'edited' => $created, 'allow_cid' => '<' . $page_owner_cid . '>', 'allow_gid' => '','deny_cid' => '', 'deny_gid' => '']; $r = DBA::insert('attach', $fields); @unlink($src); if (! $r) { $msg = L10n::t('File upload failed.'); if ($r_json) { echo json_encode(['error' => $msg]); } else { echo $msg . EOL ; } killme(); } $r = q("SELECT `id` FROM `attach` WHERE `uid` = %d AND `created` = '%s' AND `hash` = '%s' LIMIT 1", intval($page_owner_uid), DBA::escape($created), DBA::escape($hash) ); if (! DBA::isResult($r)) { $msg = L10n::t('File upload failed.'); if ($r_json) { echo json_encode(['error' => $msg]); } else { echo $msg . EOL ; } killme(); } if ($r_json) { echo json_encode(['ok' => true]); killme(); } $lf = "\n"; echo $lf . $lf . '[attachment]' . $r[0]['id'] . '[/attachment]' . $lf; killme(); // NOTREACHED }