compute checksum over actually used files, cache checksum, kill checksum in delivery

1 files changed, 3 insertions, 12 deletions

diff --git a/itjs.php b/itjs.php
index 65a78fe..90c9252 100644
--- a/itjs.php
+++ b/itjs.php
@@ -31,18 +31,9 @@ if ($_SERVER['HTTP_IF_NONE_MATCH'] && it::is_live() && !$_REQUEST['retry']) {
 	exit;
 }
 
-$data = "";
 $files = itjs::filenames(it::match('/itjs/([a-z0-9_,.-]*)', $_SERVER['PHP_SELF']));
-
-foreach ($files as $file)
-{
-	ob_start();	# Needs to capture inside loop to guarantee file order
-	if (!(it::match('W3C_CSS_Validator', $_SERVER['HTTP_USER_AGENT']) && it::match('jquery-ui\.css', $file)))
-		$data .= it::replace(array('^1$' => ""), @include($file), array('utf8' => false));
-	$data .= ob_get_clean();
-}
-
-$checksum = strlen($data) . itjs::checksum($files);
+$data = itjs::filecontents($files);
+$file = end($files);
 
 if (it::match('\.gif$', $file))
 {
@@ -67,7 +58,7 @@ else if (!it::match('\.html$', $file))
 	header("Content-Type: application/x-javascript; charset=$charset");
 }
 
-@header("Etag: $checksum");
+@header("Etag: alwaysvalid");
 
 if (!preg_match('/Opera/', $_SERVER['HTTP_USER_AGENT']) && it::is_live() && !$_REQUEST['retry'])
 {