Viewing file: bs_disp_as_mime_type.php (1.75 KB) -rw-rw-rw- Select action/file-type: (+) | (+) | (+) | Code (+) | Session (+) | (+) | SDB (+) | (+) | (+) | (+) | (+) | (+) |
<?php /* vim: set expandtab sw=4 ts=4 sts=4: */ /** * @author Raj Kissu Rajandran * @version 1.0 * @package BLOBStreaming */
/** * Core library. */ require_once './libraries/common.inc.php';
// load PMA configuration $PMA_Config = $_SESSION['PMA_Config'];
// retrieve BS server variables from PMA configuration $bs_server = $PMA_Config->get('BLOBSTREAMING_SERVER'); if (empty($bs_server)) die('No blob streaming server configured!');
// Check URL parameters PMA_checkParameters(array('reference', 'c_type'));
// Increase time limit, because fetching blob might take some time set_time_limit(0);
$reference = $_REQUEST['reference']; /* * FIXME: Maybe it would be better to check MIME type against whitelist as * this code sems to support only few MIME types (check * function PMA_BS_CreateReferenceLink in libraries/blobstreaming.lib.php). */ $c_type = preg_replace('/[^A-Za-z0-9/_-]/', '_', $_REQUEST['c_type']);
$filename = 'http://' . $bs_server . '/' . $reference;
$hdrs = get_headers($filename, 1);
if ($hdrs === FALSE) die('Failed to fetch headers');
$fHnd = fopen($filename, "rb");
if ($fHnd === FALSE) die('Failed to open remote URL');
$f_size = $hdrs['Content-Length'];
header("Expires: 0"); header("Last-Modified: " . gmdate("D, d M Y H:i:s") . " GMT"); header("Cache-Control: no-store, no-cache, must-revalidate"); header("Cache-Control: post-check=0, pre-check=0", false); header("Pragma: no-cache"); header("Content-type: $c_type"); header('Content-length: ' . $f_size); header("Content-disposition: attachment; filename=" . basename($filename));
$pos = 0; $content = "";
while (!feof($fHnd)) { $content .= fread($fHnd, $f_size); $pos = strlen($content);
if ($pos >= $f_size) break; }
echo $content; flush();
fclose($fHnd);
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