/// <summary>
/// Enables processing of HTTP Web requests by a custom HttpHandler that implements the <see cref="T:System.Web.IHttpHandler"></see> interface.
/// </summary>
/// <param name="context">An <see cref="T:System.Web.HttpContext"></see> object that provides references to the intrinsic server objects (for example, Request, Response, Session, and Server) used to service HTTP requests.</param>
public void ProcessRequest(HttpContext context)
{
// The request was not a request to invoke a server-side method.
// Now, we will render the Javascript that will be used on the
// client to run as a proxy or wrapper for the methods marked
// with the AjaxMethodAttribute.
if (context.Trace.IsEnabled)
{
context.Trace.Write(Constant.AjaxID, "Render class proxy Javascript");
}
// Check wether the javascript is already rendered and cached in the
// current context.
string etag = context.Request.Headers["If-None-Match"];
string modSince = context.Request.Headers["If-Modified-Since"];
string path = type.FullName + "," + type.Assembly.FullName.Split(',')[0];
if (Utility.Settings.UseAssemblyQualifiedName)
{
path = type.AssemblyQualifiedName;
}
if (Utility.Settings != null && Utility.Settings.UrlNamespaceMappings.ContainsValue(path))
{
foreach (string key in Utility.Settings.UrlNamespaceMappings.Keys)
{
if (Utility.Settings.UrlNamespaceMappings[key].ToString() == path)
{
path = key;
break;
}
}
}
if (context.Cache[path] != null)
{
CacheInfo ci = (CacheInfo)context.Cache[path];
if (etag != null)
{
if (etag == ci.ETag) // TODO: null check
{
context.Response.StatusCode = 304;
context.Response.SuppressContent = true;
return;
}
}
if (modSince != null)
{
if (modSince.IndexOf(";") > 0)
{
// If-Modified-Since: Tue, 06 Jun 2006 10:13:38 GMT; length=2935
modSince = modSince.Split(';')[0];
}
try
{
DateTime modSinced = Convert.ToDateTime(modSince.ToString()).ToUniversalTime();
if (DateTime.Compare(modSinced, ci.LastModified.ToUniversalTime()) >= 0)
{
context.Response.StatusCode = 304;
context.Response.SuppressContent = true;
return;
}
}
catch (FormatException)
{
if (context.Trace.IsEnabled)
{
context.Trace.Write(Constant.AjaxID, "The header value for If-Modified-Since = " + modSince + " could not be converted to a System.DateTime.");
}
}
}
}
etag = type.AssemblyQualifiedName;
etag = MD5Helper.GetHash(System.Text.Encoding.Default.GetBytes(etag));
DateTime now = DateTime.Now;
DateTime lastMod = new DateTime(now.Year, now.Month, now.Day, now.Hour, now.Minute, now.Second); // .ToUniversalTime();
context.Response.AddHeader("Content-Type", "application/x-javascript");
context.Response.ContentEncoding = System.Text.Encoding.UTF8;
context.Response.Cache.SetCacheability(System.Web.HttpCacheability.Public);
context.Response.Cache.SetETag(etag);
context.Response.Cache.SetLastModified(lastMod);
// Ok, we do not have the javascript rendered, yet.
// Build the javascript source and save it to the current
// Application context.
string url = context.Request.ApplicationPath + (context.Request.ApplicationPath.EndsWith("/") ? "" : "/") + Utility.HandlerPath + "/" + AjaxPro.Utility.GetSessionUri() + path + Utility.HandlerExtension;
// find all methods that are able to be used with AjaxPro
MethodInfo[] mi = type.GetMethods();
MethodInfo method;
#if (NET20)
List <MethodInfo> methods = new List <MethodInfo>();
#else
MethodInfo[] methods;
System.Collections.ArrayList methodList = new System.Collections.ArrayList();
int mc = 0;
#endif
for (int y = 0; y < mi.Length; y++)
{
method = mi[y];
if (!method.IsPublic)
{
continue;
}
AjaxMethodAttribute[] ma = (AjaxMethodAttribute[])method.GetCustomAttributes(typeof(AjaxMethodAttribute), true);
if (ma.Length == 0)
{
continue;
}
PrincipalPermissionAttribute[] ppa = (PrincipalPermissionAttribute[])method.GetCustomAttributes(typeof(PrincipalPermissionAttribute), true);
if (ppa.Length > 0)
{
bool permissionDenied = true;
for (int p = 0; p < ppa.Length && permissionDenied; p++)
{
#if (_____NET20)
if (Roles.Enabled)
{
try
{
if (!String.IsNullOrEmpty(ppa[p].Role) && !Roles.IsUserInRole(ppa[p].Role))
{
continue;
}
}
catch (Exception)
{
// Should we disable this AjaxMethod of there is an exception?
continue;
}
}
else
#endif
if (ppa[p].Role != null && ppa[p].Role.Length > 0 && context.User != null && context.User.Identity.IsAuthenticated && !context.User.IsInRole(ppa[p].Role))
{
continue;
}
permissionDenied = false;
}
if (permissionDenied)
{
continue;
}
}
#if (NET20)
methods.Add(method);
#else
//methods[mc++] = method;
methodList.Add(method);
#endif
}
#if (!NET20)
methods = (MethodInfo[])methodList.ToArray(typeof(MethodInfo));
#endif
// render client-side proxy file
System.Text.StringBuilder sb = new System.Text.StringBuilder();
TypeJavaScriptProvider jsp = null;
if (Utility.Settings.TypeJavaScriptProvider != null)
{
try
{
Type jspt = Type.GetType(Utility.Settings.TypeJavaScriptProvider);
if (jspt != null && typeof(TypeJavaScriptProvider).IsAssignableFrom(jspt))
{
jsp = (TypeJavaScriptProvider)Activator.CreateInstance(jspt, new object[3] {
type, url, sb
});
}
}
catch (Exception)
{
}
}
if (jsp == null)
{
jsp = new TypeJavaScriptProvider(type, url, sb);
}
jsp.RenderNamespace();
jsp.RenderClassBegin();
#if (NET20)
jsp.RenderMethods(methods.ToArray());
#else
jsp.RenderMethods(methods);
#endif
jsp.RenderClassEnd();
context.Response.Write(sb.ToString());
context.Response.Write("\r\n");
// save the javascript in current Application context to
// speed up the next requests.
// TODO: was können wir hier machen??
// System.Web.Caching.CacheDependency fileDepend = new System.Web.Caching.CacheDependency(type.Assembly.Location);
context.Cache.Add(path, new CacheInfo(etag, lastMod), null,
System.Web.Caching.Cache.NoAbsoluteExpiration, System.Web.Caching.Cache.NoSlidingExpiration,
System.Web.Caching.CacheItemPriority.Normal, null);
if (context.Trace.IsEnabled)
{
context.Trace.Write(Constant.AjaxID, "End ProcessRequest");
}
}
/// <summary>
/// Enables processing of HTTP Web requests by a custom HttpHandler that implements the <see cref="T:System.Web.IHttpHandler"></see> interface.
/// </summary>
/// <param name="context">An <see cref="T:System.Web.HttpContext"></see> object that provides references to the intrinsic server objects (for example, Request, Response, Session, and Server) used to service HTTP requests.</param>
public void ProcessRequest(HttpContext context)
{
string etag = context.Request.Headers["If-None-Match"];
string modSince = context.Request.Headers["If-Modified-Since"];
if (context.Cache[Constant.AjaxID + ".converter"] != null)
{
CacheInfo ci = (CacheInfo)context.Cache[Constant.AjaxID + ".converter"];
if (etag != null)
{
if (etag == ci.ETag) // TODO: null check
{
context.Response.StatusCode = 304;
return;
}
}
if (modSince != null)
{
if (modSince.IndexOf(";") > 0)
{
// If-Modified-Since: Tue, 06 Jun 2006 10:13:38 GMT; length=2935
modSince = modSince.Split(';')[0];
}
try
{
DateTime modSinced = Convert.ToDateTime(modSince.ToString()).ToUniversalTime();
if (DateTime.Compare(modSinced, ci.LastModified.ToUniversalTime()) >= 0)
{
context.Response.StatusCode = 304;
return;
}
}
catch (FormatException)
{
if (context.Trace.IsEnabled)
{
context.Trace.Write(Constant.AjaxID, "The header value for If-Modified-Since = " + modSince + " could not be converted to a System.DateTime.");
}
}
}
}
etag = MD5Helper.GetHash(System.Text.Encoding.Default.GetBytes("converter"));
DateTime now = DateTime.Now;
DateTime lastMod = new DateTime(now.Year, now.Month, now.Day, now.Hour, now.Minute, now.Second); //.ToUniversalTime();
context.Response.AddHeader("Content-Type", "application/x-javascript");
context.Response.ContentEncoding = System.Text.Encoding.UTF8;
context.Response.Cache.SetCacheability(System.Web.HttpCacheability.Public);
context.Response.Cache.SetETag(etag);
context.Response.Cache.SetLastModified(lastMod);
context.Response.Write(@"//--------------------------------------------------------------
// Copyright (C) 2006 Michael Schwarz (http://www.ajaxpro.info).
// All rights reserved.
//--------------------------------------------------------------
// Converter.js
");
if (Utility.Settings != null && Utility.Settings.Security != null)
{
try
{
string secrityScript = Utility.Settings.Security.SecurityProvider.ClientScript;
if (secrityScript != null && secrityScript.Length > 0)
{
context.Response.Write(secrityScript);
context.Response.Write("\r\n");
}
}
catch (Exception)
{
}
}
StringCollection convTypes = new StringCollection();
string convTypeName;
IJavaScriptConverter c;
string script;
IEnumerator s = Utility.Settings.SerializableConverters.Values.GetEnumerator();
while (s.MoveNext())
{
c = (IJavaScriptConverter)s.Current;
convTypeName = c.GetType().FullName;
if (!convTypes.Contains(convTypeName))
{
script = c.GetClientScript();
if (script.Length > 0)
{
#if (NET20)
if (!String.IsNullOrEmpty(c.ConverterName))
#else
if (c.ConverterName != null && c.ConverterName.Length > 0)
#endif
{ context.Response.Write("// " + c.ConverterName + "\r\n"); }
context.Response.Write(c.GetClientScript());
context.Response.Write("\r\n");
}
convTypes.Add(convTypeName);
}
}
IEnumerator d = Utility.Settings.DeserializableConverters.Values.GetEnumerator();
while (d.MoveNext())
{
c = (IJavaScriptConverter)d.Current;
convTypeName = c.GetType().FullName;
if (!convTypes.Contains(convTypeName))
{
script = c.GetClientScript();
if (script.Length > 0)
{
#if (NET20)
if (!String.IsNullOrEmpty(c.ConverterName))
#else
if (c.ConverterName != null && c.ConverterName.Length > 0)
#endif
{ context.Response.Write("// " + c.ConverterName + "\r\n"); }
context.Response.Write(c.GetClientScript());
context.Response.Write("\r\n");
}
convTypes.Add(convTypeName);
}
}
context.Cache.Add(Constant.AjaxID + ".converter", new CacheInfo(etag, lastMod), null,
System.Web.Caching.Cache.NoAbsoluteExpiration, System.Web.Caching.Cache.NoSlidingExpiration,
System.Web.Caching.CacheItemPriority.Normal, null);
}
/// <summary>
/// Enables processing of HTTP Web requests by a custom HttpHandler that implements the <see cref="T:System.Web.IHttpHandler"></see> interface.
/// </summary>
/// <param name="context">An <see cref="T:System.Web.HttpContext"></see> object that provides references to the intrinsic server objects (for example, Request, Response, Session, and Server) used to service HTTP requests.</param>
public void ProcessRequest(HttpContext context)
{
string etag = context.Request.Headers["If-None-Match"];
string modSince = context.Request.Headers["If-Modified-Since"];
if (context.Cache[Constant.AjaxID + "." + fileName] != null)
{
CacheInfo ci = (CacheInfo)context.Cache[Constant.AjaxID + "." + fileName];
if (etag != null)
{
if (etag == ci.ETag) // TODO: null check
{
context.Response.StatusCode = 304;
return;
}
}
if (modSince != null)
{
if (modSince.IndexOf(";") > 0)
{
// If-Modified-Since: Tue, 06 Jun 2006 10:13:38 GMT; length=2935
modSince = modSince.Split(';')[0];
}
try
{
DateTime modSinced = Convert.ToDateTime(modSince.ToString()).ToUniversalTime();
if (DateTime.Compare(modSinced, ci.LastModified.ToUniversalTime()) >= 0)
{
context.Response.StatusCode = 304;
return;
}
}
catch (FormatException)
{
if (context.Trace.IsEnabled)
{
context.Trace.Write(Constant.AjaxID, "The header value for If-Modified-Since = " + modSince + " could not be converted to a System.DateTime.");
}
}
}
}
etag = MD5Helper.GetHash(System.Text.Encoding.Default.GetBytes(fileName));
DateTime now = DateTime.Now;
DateTime lastMod = new DateTime(now.Year, now.Month, now.Day, now.Hour, now.Minute, now.Second); //.ToUniversalTime();
context.Response.AddHeader("Content-Type", "application/x-javascript");
context.Response.ContentEncoding = System.Text.Encoding.UTF8;
context.Response.Cache.SetCacheability(System.Web.HttpCacheability.Public);
context.Response.Cache.SetETag(etag);
context.Response.Cache.SetLastModified(lastMod);
context.Response.Write(@"//--------------------------------------------------------------
// Copyright (C) 2006 Michael Schwarz (http://www.ajaxpro.info).
// All rights reserved.
//--------------------------------------------------------------
");
// Now, we want to read the JavaScript embedded source
// from the assembly. If the filename includes any comma
// we have to return more than one embedded JavaScript file.
if (fileName != null && fileName.Length > 0)
{
string[] files = fileName.Split(',');
Assembly assembly = Assembly.GetExecutingAssembly();
Stream s;
for (int i = 0; i < files.Length; i++)
{
s = assembly.GetManifestResourceStream(Constant.AssemblyName + "." + files[i] + ".js");
if (s != null)
{
System.IO.StreamReader sr = new System.IO.StreamReader(s);
context.Response.Write("// " + files[i] + ".js\r\n");
context.Response.Write(sr.ReadToEnd());
context.Response.Write("\r\n");
sr.Close();
if (files[i] == "prototype" && AjaxPro.Utility.Settings.OldStyle.Contains("objectExtendPrototype"))
{
context.Response.Write(@"
Object.prototype.extend = function(o, override) {
return Object.extend.apply(this, [this, o, override != false]);
}
");
}
}
}
}
context.Cache.Add(Constant.AjaxID + "." + fileName, new CacheInfo(etag, lastMod), null,
System.Web.Caching.Cache.NoAbsoluteExpiration, System.Web.Caching.Cache.NoSlidingExpiration,
System.Web.Caching.CacheItemPriority.Normal, null);
}
