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- <?php
- set_include_path(dirname(__FILE__) ."/include" . PATH_SEPARATOR .
- get_include_path());
- require_once "config.php";
- // backwards compatible wrapper for old-style image caching
- /* if (isset($_GET['url'])) {
- $url = base64_decode($_GET['url']);
- $filename = CACHE_DIR . '/images/' . sha1($url) . '.png';
- if (file_exists($filename)) {
- header("Content-type: image/png");
- echo file_get_contents($filename);
- } else {
- header("Location: $url");
- }
- return;
- } */
- @$hash = basename($_GET['hash']);
- if ($hash) {
- $filename = CACHE_DIR . '/images/' . $hash . '.png';
- if (file_exists($filename)) {
- /* See if we can use X-Sendfile */
- $xsendfile = false;
- if (function_exists('apache_get_modules') &&
- array_search('mod_xsendfile', apache_get_modules()))
- $xsendfile = true;
- if ($xsendfile) {
- header("X-Sendfile: $filename");
- header("Content-type: application/octet-stream");
- header('Content-Disposition: attachment; filename="' . basename($filename) . '"');
- } else {
- header("Content-type: image/png");
- $stamp = gmdate("D, d M Y H:i:s", filemtime($filename)). " GMT";
- header("Last-Modified: $stamp", true);
- ob_clean(); // discard any data in the output buffer (if possible)
- flush(); // flush headers (if possible)
- readfile($filename);
- }
- } else {
- header($_SERVER["SERVER_PROTOCOL"]." 404 Not Found");
- echo "File not found.";
- }
- }
- ?>
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