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New cache system with subdirectories

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This commit is contained in:
Michael Vogel 2012-11-17 00:50:39 +01:00
commit f17377e6de
7 changed files with 83 additions and 86 deletions
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49
mod/photo.php
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@ -4,30 +4,7 @@ require_once('include/security.php');
require_once('include/Photo.php');
function photo_init(&$a) {
// To-Do:
// - checking with realpath
// - checking permissions
/*
$cache = get_config('system','itemcache');
if (($cache != '') and is_dir($cache)) {
$cachefile = $cache."/".$a->argc."-".$a->argv[1]."-".$a->argv[2]."-".$a->argv[3];
if (file_exists($cachefile)) {
$data = file_get_contents($cachefile);
if(function_exists('header_remove')) {
header_remove('Pragma');
header_remove('pragma');
}
header("Content-type: image/jpeg");
header("Expires: " . gmdate("D, d M Y H:i:s", time() + (3600*24)) . " GMT");
header("Cache-Control: max-age=" . (3600*24));
echo $data;
killme();
// NOTREACHED
}
}*/
global $_SERVER;
$prvcachecontrol = false;
@ -50,6 +27,22 @@ function photo_init(&$a) {
// NOTREACHED
}
// strtotime($_SERVER['HTTP_IF_MODIFIED_SINCE']) >= filemtime($localFileName)) {
if (isset($_SERVER['HTTP_IF_MODIFIED_SINCE'])) {
header('HTTP/1.1 304 Not Modified');
header("Last-Modified: " . gmdate("D, d M Y H:i:s", time()) . " GMT");
header('Etag: '.$_SERVER['HTTP_IF_NONE_MATCH']);
header("Expires: " . gmdate("D, d M Y H:i:s", time() + (31536000)) . " GMT");
header("Cache-Control: max-age=31536000");
if(function_exists('header_remove')) {
header_remove('Last-Modified');
header_remove('Expires');
header_remove('Cache-Control');
}
exit;
}
$default = 'images/person-175.jpg';
if(isset($type)) {
@ -203,10 +196,10 @@ function photo_init(&$a) {
}
else {
header("Expires: " . gmdate("D, d M Y H:i:s", time() + (3600*24)) . " GMT");
header("Cache-Control: max-age=" . (3600*24));
header("Last-Modified: " . gmdate("D, d M Y H:i:s", time()) . " GMT");
header('Etag: "'.md5($data).'"');
header("Expires: " . gmdate("D, d M Y H:i:s", time() + (31536000)) . " GMT");
header("Cache-Control: max-age=31536000");
}
echo $data;
killme();