From 4437c42fd4b490cf60834b8151be14bac21c9c64 Mon Sep 17 00:00:00 2001 From: Michael Vogel Date: Wed, 18 Jul 2012 23:34:45 +0200 Subject: [PATCH] privacy_image_cache: A file cache is implemented that should be much faster than the database. --- privacy_image_cache/privacy_image_cache.php | 22 +++++++++++++++++++++ 1 file changed, 22 insertions(+) diff --git a/privacy_image_cache/privacy_image_cache.php b/privacy_image_cache/privacy_image_cache.php index b757c783..f0d8e39a 100644 --- a/privacy_image_cache/privacy_image_cache.php +++ b/privacy_image_cache/privacy_image_cache.php @@ -43,6 +43,24 @@ function privacy_image_cache_init() { // Double encoded url - happens with Diaspora $urlhash2 = 'pic:' . sha1(urldecode($_REQUEST['url'])); + $cache = get_config('system','itemcache'); + if (($cache != '') and is_dir($cache)) { + $cachefile = $cache."/".hash("md5", $urlhash); + if (file_exists($cachefile)) { + $img_str = file_get_contents($cachefile); + + $mime = image_type_to_mime_type(exif_imagetype($cachefile)); + + header("Content-type: $mime"); + header("Expires: " . gmdate("D, d M Y H:i:s", time() + (3600*24)) . " GMT"); + header("Cache-Control: max-age=" . (3600*24)); + + echo $img_str; + + killme(); + } + } + $r = q("SELECT * FROM `photo` WHERE `resource-id` in ('%s', '%s') LIMIT 1", $urlhash, $urlhash2); if (count($r)) { $img_str = $r[0]['data']; @@ -98,6 +116,10 @@ function privacy_image_cache_init() { } } + // Writing in cachefile + if (isset($cachefile) && $cachefile != '') + file_put_contents($cachefile, $img_str); + header("Content-type: $mime"); header("Expires: " . gmdate("D, d M Y H:i:s", time() + (3600*24)) . " GMT"); header("Cache-Control: max-age=" . (3600*24));