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tiny_mce_gzip.aspx
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tiny_mce_gzip.aspx
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<%@ Page Language="C#" %>
<%@ Import Namespace="System.IO" %>
<%@ Import Namespace="System.IO.Compression" %>
<%@ Import Namespace="System.Security.Cryptography" %>
<%@ Import Namespace="System.Text.RegularExpressions" %>
<%
/**
* tiny_mce_gzip.aspx
*
* Copyright 2009, Moxiecode Systems AB
* Released under LGPL License.
*
* License: http://tinymce.moxiecode.com/license
* Contributing: http://tinymce.moxiecode.com/contributing
*
* This file compresses the TinyMCE JavaScript using GZip and
* enables the browser to do two requests instead of one for each .js file.
*
* It's a good idea to use the diskcache option since it reduces the servers workload.
*/
string cacheKey = "", cacheFile = "", content = "", enc, suffix, cachePath;
string[] plugins, languages, themes;
bool diskCache, supportsGzip, isJS, compress, core;
int i, x, expiresOffset;
GZipStream gzipStream;
Encoding encoding = Encoding.GetEncoding("windows-1252");
byte[] buff;
// Get input
plugins = GetParam("plugins", "").Split(',');
languages = GetParam("languages", "").Split(',');
themes = GetParam("themes", "").Split(',');
diskCache = GetParam("diskcache", "") == "true";
isJS = GetParam("js", "") == "true";
compress = GetParam("compress", "true") == "true";
core = GetParam("core", "true") == "true";
suffix = GetParam("suffix", "") == "_src" ? "_src" : "";
cachePath = Server.MapPath("."); // Cache path, this is where the .gz files will be stored
expiresOffset = 10; // Cache for 10 days in browser cache
// Custom extra javascripts to pack
string[] custom = {/*
"some custom .js file",
"some custom .js file"
*/};
// Set response headers
Response.ContentType = "text/javascript";
Response.Charset = "UTF-8";
Response.Buffer = false;
// Setup cache
Response.Cache.SetExpires(DateTime.Now.AddDays(expiresOffset));
Response.Cache.SetCacheability(HttpCacheability.Public);
Response.Cache.SetValidUntilExpires(false);
// Vary by all parameters and some headers
Response.Cache.VaryByHeaders["Accept-Encoding"] = true;
Response.Cache.VaryByParams["theme"] = true;
Response.Cache.VaryByParams["language"] = true;
Response.Cache.VaryByParams["plugins"] = true;
Response.Cache.VaryByParams["lang"] = true;
Response.Cache.VaryByParams["index"] = true;
// Is called directly then auto init with default settings
if (!isJS) {
Response.WriteFile(Server.MapPath("tiny_mce_gzip.js"));
Response.Write("tinyMCE_GZ.init({});");
return;
}
// Setup cache info
if (diskCache) {
cacheKey = GetParam("plugins", "") + GetParam("languages", "") + GetParam("themes", "");
for (i=0; i<custom.Length; i++)
cacheKey += custom[i];
cacheKey = MD5(cacheKey);
if (compress)
cacheFile = cachePath + "/tiny_mce_" + cacheKey + ".gz";
else
cacheFile = cachePath + "/tiny_mce_" + cacheKey + ".js";
}
// Check if it supports gzip
enc = Regex.Replace("" + Request.Headers["Accept-Encoding"], @"\s+", "").ToLower();
supportsGzip = enc.IndexOf("gzip") != -1 || Request.Headers["---------------"] != null;
enc = enc.IndexOf("x-gzip") != -1 ? "x-gzip" : "gzip";
// Use cached file disk cache
if (diskCache && supportsGzip && File.Exists(cacheFile)) {
Response.AppendHeader("Content-Encoding", enc);
Response.WriteFile(cacheFile);
return;
}
// Add core
if (core) {
content += GetFileContents("tiny_mce" + suffix + ".js");
// Patch loading functions
content += "tinyMCE_GZ.start();";
}
// Add core languages
for (x=0; x<languages.Length; x++)
content += GetFileContents("langs/" + languages[x] + ".js");
// Add themes
for (i=0; i<themes.Length; i++) {
content += GetFileContents("themes/" + themes[i] + "/editor_template" + suffix + ".js");
for (x=0; x<languages.Length; x++)
content += GetFileContents("themes/" + themes[i] + "/langs/" + languages[x] + ".js");
}
// Add plugins
for (i=0; i<plugins.Length; i++) {
content += GetFileContents("plugins/" + plugins[i] + "/editor_plugin" + suffix + ".js");
for (x=0; x<languages.Length; x++)
content += GetFileContents("plugins/" + plugins[i] + "/langs/" + languages[x] + ".js");
}
// Add custom files
for (i=0; i<custom.Length; i++)
content += GetFileContents(custom[i]);
// Restore loading functions
if (core)
content += "tinyMCE_GZ.end();";
// Generate GZIP'd content
if (supportsGzip) {
if (compress)
Response.AppendHeader("Content-Encoding", enc);
if (diskCache && cacheKey != "") {
// Gzip compress
if (compress) {
gzipStream = new GZipStream(File.Create(cacheFile), CompressionMode.Compress, true);
buff = encoding.GetBytes(content.ToCharArray());
gzipStream.Write(buff, 0, buff.Length);
gzipStream.Close();
} else {
StreamWriter sw = File.CreateText(cacheFile);
sw.Write(content);
sw.Close();
}
// Write to stream
Response.WriteFile(cacheFile);
} else {
gzipStream = new GZipStream(Response.OutputStream, CompressionMode.Compress, true);
buff = encoding.GetBytes(content.ToCharArray());
gzipStream.Write(buff, 0, buff.Length);
gzipStream.Close();
}
} else
Response.Write(content);
%><script runat="server">
public string GetParam(string name, string def) {
string value = Request.QueryString[name] != null ? "" + Request.QueryString[name] : def;
return Regex.Replace(value, @"[^0-9a-zA-Z\\-_,]+", "");
}
public string GetFileContents(string path) {
try {
string content;
path = Server.MapPath(path);
if (!File.Exists(path))
return "";
StreamReader sr = new StreamReader(path);
content = sr.ReadToEnd();
sr.Close();
return content;
} catch (Exception ex) {
// Ignore any errors
}
return "";
}
public string MD5(string str) {
MD5 md5 = new MD5CryptoServiceProvider();
byte[] result = md5.ComputeHash(Encoding.ASCII.GetBytes(str));
str = BitConverter.ToString(result);
return str.Replace("-", "");
}
</script>