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privacy_image_cache: A file cache is implemented that should be much faster than the database.

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This commit is contained in:
Michael Vogel 2012-07-18 23:34:45 +02:00
parent 97209cee75
commit 4437c42fd4
1 changed files with 22 additions and 0 deletions
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22
privacy_image_cache/privacy_image_cache.php
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@ -43,6 +43,24 @@ function privacy_image_cache_init() {
// Double encoded url - happens with Diaspora // Double encoded url - happens with Diaspora
$urlhash2 = 'pic:' . sha1(urldecode($_REQUEST['url'])); $urlhash2 = 'pic:' . sha1(urldecode($_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); $r = q("SELECT * FROM `photo` WHERE `resource-id` in ('%s', '%s') LIMIT 1", $urlhash, $urlhash2);
if (count($r)) { if (count($r)) {
$img_str = $r[0]['data']; $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("Content-type: $mime");
header("Expires: " . gmdate("D, d M Y H:i:s", time() + (3600*24)) . " GMT"); header("Expires: " . gmdate("D, d M Y H:i:s", time() + (3600*24)) . " GMT");
header("Cache-Control: max-age=" . (3600*24)); header("Cache-Control: max-age=" . (3600*24));