52 líneas
1,3 KiB
PHP
52 líneas
1,3 KiB
PHP
<?php
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set_include_path(dirname(__FILE__) ."/include" . PATH_SEPARATOR .
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get_include_path());
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require_once "config.php";
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// backwards compatible wrapper for old-style image caching
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/* if (isset($_GET['url'])) {
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$url = base64_decode($_GET['url']);
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$filename = CACHE_DIR . '/images/' . sha1($url) . '.png';
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if (file_exists($filename)) {
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header("Content-type: image/png");
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echo file_get_contents($filename);
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} else {
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header("Location: $url");
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}
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return;
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} */
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@$hash = basename($_GET['hash']);
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if ($hash) {
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$filename = CACHE_DIR . '/images/' . $hash . '.png';
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if (file_exists($filename)) {
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/* See if we can use X-Sendfile */
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$xsendfile = false;
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if (function_exists('apache_get_modules') &&
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array_search('mod_xsendfile', apache_get_modules()))
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$xsendfile = true;
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if ($xsendfile) {
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header("X-Sendfile: $filename");
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header("Content-type: application/octet-stream");
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header('Content-Disposition: attachment; filename="' . basename($filename) . '"');
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} else {
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header("Content-type: image/png");
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$stamp = gmdate("D, d M Y H:i:s", filemtime($filename)). " GMT";
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header("Last-Modified: $stamp", true);
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readfile($filename);
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}
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} else {
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header($_SERVER["SERVER_PROTOCOL"]." 404 Not Found");
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echo "File not found.";
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}
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}
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?>
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