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60 lines
1.8 KiB
60 lines
1.8 KiB
using Microsoft.Ajax.Utilities;
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using System;
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using System.IO;
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using System.Web;
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using System.Web.Caching;
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public class MinifyHandler : IHttpHandler
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{
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public void ProcessRequest(HttpContext context)
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{
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string file = context.Server.MapPath(context.Request.CurrentExecutionFilePath);
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string ext = Path.GetExtension(file);
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if (context.IsDebuggingEnabled)
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{
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context.Response.TransmitFile(file);
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}
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else
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{
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Minify(context.Response, file, ext);
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}
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SetHeaders(context.Response, file, ext);
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}
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private static void SetHeaders(HttpResponse response, string file, string ext)
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{
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response.ContentType = ext == ".css" ? "text/css" : "text/javascript";
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response.Cache.SetLastModified(File.GetLastWriteTimeUtc(file));
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response.Cache.SetValidUntilExpires(true);
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response.Cache.SetExpires(DateTime.Now.AddYears(1));
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response.Cache.SetCacheability(HttpCacheability.ServerAndPrivate);
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response.Cache.SetVaryByCustom("Accept-Encoding");
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response.AddCacheDependency(new CacheDependency(file));
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}
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private static void Minify(HttpResponse response, string file, string ext)
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{
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string content = File.ReadAllText(file);
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Minifier minifier = new Minifier();
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if (ext == ".css")
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{
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CssSettings settings = new CssSettings() { CommentMode = CssComment.None };
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response.Write(minifier.MinifyStyleSheet(content, settings));
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}
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else if (ext == ".js")
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{
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CodeSettings settings = new CodeSettings() { PreserveImportantComments = false };
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response.Write(minifier.MinifyJavaScript(content, settings));
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}
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}
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public bool IsReusable
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{
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get { return false; }
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}
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}
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