From abc5bbd9c771dcecfa41ba3590cce1c1ef190cdd Mon Sep 17 00:00:00 2001
From: wei <>
Date: Sun, 15 Jan 2006 11:04:00 +0000
Subject:

---
 framework/Web/Javascripts/js/clientscripts.php | 53 ++++++++++++++++++++++++++
 1 file changed, 53 insertions(+)
 create mode 100644 framework/Web/Javascripts/js/clientscripts.php

(limited to 'framework/Web/Javascripts/js/clientscripts.php')

diff --git a/framework/Web/Javascripts/js/clientscripts.php b/framework/Web/Javascripts/js/clientscripts.php
new file mode 100644
index 00000000..2bc206da
--- /dev/null
+++ b/framework/Web/Javascripts/js/clientscripts.php
@@ -0,0 +1,53 @@
+<?php
+/**
+ * This file compresses the javascript files using GZip 
+ *
+ * Todo:
+ *  - Add local file cache for the GZip:ed version.
+ */
+
+if(isset($_GET['nocache']))
+	$expiresOffset = -10000; //no cache
+else
+	$expiresOffset = 3600 * 24 * 10;		// 10 days util client cache expires
+
+// Get data to load
+$library = array( 'base', 'dom', 'effects', 'controls', 'logger',
+	'ajax', 'rico', 'validator', 'datepicker');
+
+$param = isset($_GET['js']) ? $_GET['js'] : '';
+
+//check for proper matching parameters, otherwise exit;
+if(preg_match('/(\w)+(,\w+)*/', $param)) $js = explode(',', $param); else exit();
+foreach($js as $lib) if(!in_array($lib, $library)) exit(); 
+
+// Only gzip the contents if clients and server support it
+if (isset($_SERVER['HTTP_ACCEPT_ENCODING']))
+	$encodings = explode(',', strtolower($_SERVER['HTTP_ACCEPT_ENCODING']));
+else
+	$encodings = array();
+
+// Check for gzip header or northon internet securities
+if ((in_array('gzip', $encodings) || isset($_SERVER['---------------'])) 
+		&& function_exists('ob_gzhandler') && !ini_get('zlib.output_compression'))
+	ob_start("ob_gzhandler");
+
+// Output rest of headers
+header('Content-type: text/javascript; charset: UTF-8');
+// header("Cache-Control: must-revalidate");
+header('Vary: Accept-Encoding'); // Handle proxies
+header('Expires: ' . @gmdate('D, d M Y H:i:s', @time() + $expiresOffset) . ' GMT');
+
+foreach($js as $lib)
+{
+	$file = realpath($lib.'.js');
+	if(is_file($file))
+		echo file_get_contents($file);
+	else //log missings files to console logger
+	{
+		echo 'setTimeout(function(){ if(Logger) Logger.error("Missing file", "'.$lib.'.js"); }, 1000);';
+		error_log("Unable to find asset file {$lib}.js");
+	}
+}
+
+?>
\ No newline at end of file
-- 
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