public string GetCompositeScript(string[] urls) {
var script = new StringBuilder();
IHttpHandler handler = new ScriptResourceHandler();
var absoluteUri = Page.Request.Url.AbsoluteUri;
var fileNameIndex = absoluteUri.LastIndexOf(Page.Request.Url.Segments[2]);
var scriptResourcePath = absoluteUri.Substring(0, fileNameIndex) + "ScriptResource.axd";
foreach(var url in urls) {
// Is script resource-based?
if (url.IndexOf("/scriptresource.axd", StringComparison.OrdinalIgnoreCase) != -1) {
var queryStringIndex = url.IndexOf('?');
var queryString = url.Substring(queryStringIndex + 1);
var request = new HttpRequest("scriptresource.axd", scriptResourcePath, queryString);
using (var textWriter = new StringWriter(script)) {
HttpResponse response = new HttpResponse(textWriter);
HttpContext context = new HttpContext(request, response);
handler.ProcessRequest(context);
}
script.AppendLine();
}
else {
using (var textReader = new StreamReader(Page.Server.MapPath(url), true)) {
script.AppendLine(textReader.ReadToEnd());
}
}
}
script.AppendLine("if(typeof(Sys)!=='undefined')Sys.Application.notifyScriptLoaded();");
return script.ToString();
}
string PerformSubstitutionReplace(Match m)
{
string resourceName = m.Groups [1].Value;
#if SYSTEM_WEB_EXTENSIONS
return(ScriptResourceHandler.GetResourceUrl(_assembly, resourceName, false));
#else
return(AssemblyResourceLoader.GetResourceUrl(_assembly, resourceName, false));
#endif
}
private static bool ShouldSkipAuthorization(HttpContext context)
{
if (context == null || context.Request == null)
{
return(false);
}
string path = context.Request.FilePath;
if (ScriptResourceHandler.IsScriptResourceRequest(path))
{
return(true);
}
// if auth service is disabled, dont bother checking.
// (NOTE: if a custom webservice is used, it will be up to them to enable anon access to it)
// if it isn't a rest request dont bother checking.
if (!ApplicationServiceHelper.AuthenticationServiceEnabled || !RestHandlerFactory.IsRestRequest(context))
{
return(false);
}
if (context.SkipAuthorization)
{
return(true);
}
// it may be a rest request to a webservice. It must end in axd if it is an app service.
if ((path == null) || !path.EndsWith(".axd", StringComparison.OrdinalIgnoreCase))
{
return(false);
}
// WebServiceData caches the object in cache, so this should be a quick lookup.
// If it hasnt been cached yet, this will cause it to be cached, so later in the request
// it will be a cache-hit anyway.
WebServiceData wsd = WebServiceData.GetWebServiceData(context, path, false, false);
if ((wsd != null) && (_authenticationServiceType == wsd.TypeData.Type))
{
return(true);
}
return(false);
}
public void ProcessRequest(HttpContext context)
{
bool shouldProcessRequest = true;
string[] scriptKeys = null;
string keys = context.Server.UrlDecode(context.Request.Params["keys"]);
string scriptResourcePath = String.Empty;
ScriptManager objScriptManager = new ScriptManager();
StringBuilder scriptBuilder = new StringBuilder();
IHttpHandler handler = new ScriptResourceHandler();
///StringCollection _gescHdrStatus = new StringCollection();
if (String.IsNullOrEmpty(keys) || keys.Equals("-1")) shouldProcessRequest = false;
if (shouldProcessRequest)
{
Dictionary<string, string> _scriptContents = null;
try
{
_scriptContents = (Dictionary<string, string>)HttpContext.Current.Cache["ScriptContents"];
}
catch (Exception ex) { }
scriptKeys = keys.Split('.');
///_gescHdrStatus.Add("incount:" + scripts.Length.ToString()); //script count
scriptResourcePath = string.Format("{0}{1}{2}{3}{4}{5}{6}{7}", context.Request.Url.Scheme, "://", context.Request.Url.Host, ":", context.Request.Url.Port, "/", context.Request.ApplicationPath, "/ScriptResource.axd");
scriptResourcePath = scriptResourcePath.Replace("///", "/");
foreach (string key in scriptKeys)
{
ScriptElement element = OptimizerConfig.GetScriptByKey(key);
if (element == null) continue;
#region Generating resource url dynamically and creating WebRequest object to extract stream of script
if (element != null)
{
ScriptReference reference = null;
bool isPathBased = false;
if (element.Path.Length > 0)
{
reference = new ScriptReference(element.Path);
isPathBased = true;
}
else if (element.Assembly.Length > 0 && element.Name.Length > 0)
{
reference = new ScriptReference(element.Name, element.Assembly);
}
try
{
OptimizeScriptReference openReference = new OptimizeScriptReference(reference);
string url = string.Empty;
if (!isPathBased)
{
url = context.Request.Url.OriginalString.Replace(context.Request.RawUrl, "") + openReference.GetUrl(objScriptManager);
var queryStringIndex = url.IndexOf('?');
var queryString = url.Substring(queryStringIndex + 1);
var request = new HttpRequest("scriptresource.axd", scriptResourcePath, queryString);
using (StringWriter textWriter = new StringWriter(scriptBuilder))
{
try
{
//HttpResponse response = new HttpResponse(textWriter);
//HttpContext ctx = new HttpContext(request, response);
//handler.ProcessRequest(ctx); //raising error in .Net 2.0
if (_scriptContents.ContainsKey(key))
{
scriptBuilder.Append(_scriptContents[key]);
}
}
catch (Exception ctxEx)
{
}
}
}
else
{
string absolutePath = OptimizerHelper.GetAbsolutePath(element);
if (OptimizerHelper.IsAbsolutePathExists(absolutePath))
{
using (StreamReader objJsReader = new StreamReader(absolutePath, true))
{
scriptBuilder.Append(objJsReader.ReadToEnd());
}
}
}
scriptBuilder.AppendLine();
}
catch (Exception ex)
{
}
}
#endregion
}
}
objScriptManager = null;
#region Writing combine output scripts to the Response.OutputStream
context.Response.Clear();
context.Response.ContentType = "application/x-javascript";
try
{
SetResponseCache(context.Response);
scriptBuilder.AppendLine();
//scriptBuilder.AppendLine("if(typeof(Sys)!=='undefined')Sys.Application.notifyScriptLoaded();");
string combinedScripts = scriptBuilder.ToString();
if (shouldProcessRequest)
{
if (OptimizerConfig.EnableScriptMinification)
{
combinedScripts = JsMinifier.GetMinifiedCode(combinedScripts);
}
string encodingTypes = string.Empty;
string compressionType = "none";
if (OptimizerConfig.EnableScriptCompression)
{
encodingTypes = context.Request.Headers["Accept-Encoding"];
if (!string.IsNullOrEmpty(encodingTypes))
{
encodingTypes = encodingTypes.ToLower();
if (context.Request.Browser.Browser == "IE")
{
if (context.Request.Browser.MajorVersion < 6)
compressionType = "none";
else if (context.Request.Browser.MajorVersion == 6 && !string.IsNullOrEmpty(context.Request.ServerVariables["HTTP_USER_AGENT"]) && context.Request.ServerVariables["HTTP_USER_AGENT"].Contains("EV1"))
compressionType = "none";
}
if ((encodingTypes.Contains("gzip") || encodingTypes.Contains("x-gzip") || encodingTypes.Contains("*")))
compressionType = "gzip";
else if (encodingTypes.Contains("deflate"))
compressionType = "deflate";
}
}
else
{
compressionType = "none";
}
if (compressionType == "gzip")
{
using (MemoryStream stream = new MemoryStream())
{
using (StreamWriter writer = new StreamWriter(new GZipStream(stream, CompressionMode.Compress), Encoding.UTF8))
{
writer.Write(combinedScripts);
}
byte[] buffer = stream.ToArray();
context.Response.AddHeader("Content-encoding", "gzip");
context.Response.OutputStream.Write(buffer, 0, buffer.Length);
}
}
else if (compressionType == "deflate")
{
using (MemoryStream stream = new MemoryStream())
{
using (StreamWriter writer = new StreamWriter(new DeflateStream(stream, CompressionMode.Compress), Encoding.UTF8))
{
writer.Write(combinedScripts);
}
byte[] buffer = stream.ToArray();
context.Response.AddHeader("Content-encoding", "deflate");
context.Response.OutputStream.Write(buffer, 0, buffer.Length);
}
}
else
{
//no compression plain text...
context.Response.AddHeader("Content-Length", combinedScripts.Length.ToString());
context.Response.Write(combinedScripts);
}
}
scriptBuilder = null;
}
catch (Exception ex)
{
context.Response.Write(ex.ToString().Replace("\n", "<br>"));
}
#endregion
}
