<?php /** * @file mod/attach.php */ use Friendica\App; use Friendica\Core\L10n; use Friendica\Database\DBA; use Friendica\Util\Security; require_once 'include/dba.php'; function attach_init(App $a) { if ($a->argc != 2) { notice(L10n::t('Item not available.') . EOL); return; } $item_id = intval($a->argv[1]); // Check for existence, which will also provide us the owner uid $r = DBA::selectFirst('attach', [], ['id' => $item_id]); if (!DBA::isResult($r)) { notice(L10n::t('Item was not found.'). EOL); return; } $sql_extra = Security::permissions_sql($r['uid']); // Now we'll see if we can access the attachment $r = q("SELECT * FROM `attach` WHERE `id` = '%d' $sql_extra LIMIT 1", DBA::escape($item_id) ); if (!DBA::isResult($r)) { notice(L10n::t('Permission denied.') . EOL); return; } // Use quotes around the filename to prevent a "multiple Content-Disposition" // error in Chrome for filenames with commas in them header('Content-type: ' . $r[0]['filetype']); header('Content-length: ' . $r[0]['filesize']); if (isset($_GET['attachment']) && $_GET['attachment'] === '0') { header('Content-disposition: filename="' . $r[0]['filename'] . '"'); } else { header('Content-disposition: attachment; filename="' . $r[0]['filename'] . '"'); } echo $r[0]['data']; killme(); // NOTREACHED }