Friendica Communications Platform (please note that this is a clone of the repository at github, issues are handled there) https://friendi.ca
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<?php
/**
* @file mod/attach.php
*/
use Friendica\App;
use Friendica\Core\L10n;
use Friendica\Database\DBA;
use Friendica\Database\DBM;
require_once 'include/dba.php';
require_once 'include/security.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' => $item_id]);
if (!DBM::is_result($r)) {
notice(L10n::t('Item was not found.'). EOL);
return;
}
$sql_extra = permissions_sql($r['uid']);
// Now we'll see if we can access the attachment
$r = q("SELECT * FROM `attach` WHERE `id` = '%d' $sql_extra LIMIT 1",
dbesc($item_id)
);
if (!DBM::is_result($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
}