diff options
Diffstat (limited to 'mod/profile/icondirect.php')
| -rw-r--r-- | mod/profile/icondirect.php | 29 |
1 files changed, 20 insertions, 9 deletions
diff --git a/mod/profile/icondirect.php b/mod/profile/icondirect.php index f7188455e..5f1599e0d 100644 --- a/mod/profile/icondirect.php +++ b/mod/profile/icondirect.php @@ -11,9 +11,23 @@ require_once(dirname(dirname(dirname(__FILE__))). '/engine/settings.php'); global $CONFIG; +// won't be able to serve anything if no joindate or guid +if (!isset($_GET['joindate']) || !isset($_GET['guid'])) { + header("HTTP/1.1 404 Not Found"); + exit; +} + $join_date = (int)$_GET['joindate']; +$last_cache = (int)$_GET['lastcache']; // icontime $guid = (int)$_GET['guid']; +// If is the same ETag, content didn't changed. +$etag = $last_cache . $guid; +if (isset($_SERVER['HTTP_IF_NONE_MATCH']) && trim($_SERVER['HTTP_IF_NONE_MATCH']) == "\"$etag\"") { + header("HTTP/1.1 304 Not Modified"); + exit; +} + $size = strtolower($_GET['size']); if (!in_array($size, array('large', 'medium', 'small', 'tiny', 'master', 'topbar'))) { $size = "medium"; @@ -41,18 +55,15 @@ if ($mysql_dblink) { $user_path = date('Y/m/d/', $join_date) . $guid; $filename = "$data_root$user_path/profile/{$guid}{$size}.jpg"; - $contents = @file_get_contents($filename); - if (!empty($contents)) { + $filesize = @filesize($filename); + if ($filesize) { header("Content-type: image/jpeg"); - header('Expires: ' . date('r', strtotime("+6 months")), true); + header('Expires: ' . gmdate('D, d M Y H:i:s \G\M\T', strtotime("+6 months")), true); header("Pragma: public"); header("Cache-Control: public"); - header("Content-Length: " . strlen($contents)); - // this chunking is done for supposedly better performance - $split_string = str_split($contents, 1024); - foreach ($split_string as $chunk) { - echo $chunk; - } + header("Content-Length: $filesize"); + header("ETag: \"$etag\""); + readfile($filename); exit; } } |