public static string ProcessRequest(HttpContext context, Type type)
{
if (HttpRuntime.Cache.Get(type.FullName) != null)
{
return(HttpRuntime.Cache.Get(type.FullName).ToString());
}
var path = type.FullName + "," + type.Assembly.FullName.Split(',')[0];
if (Settings.UseAssemblyQualifiedName)
{
path = type.AssemblyQualifiedName;
}
if (Settings != null && Settings.UrlNamespaceMappings.ContainsValue(path))
{
foreach (string key in Settings.UrlNamespaceMappings.Keys)
{
if (Settings.UrlNamespaceMappings[key].ToString() == path)
{
path = key;
break;
}
}
}
var url = context.Request.ApplicationPath + (context.Request.ApplicationPath.EndsWith("/") ? "" : "/") + HandlerPath + "/" + GetSessionUri() + path + HandlerExtension;
var mi = type.GetMethods();
var methodList = new ArrayList();
for (var y = 0; y < mi.Length; y++)
{
var method = mi[y];
if (!method.IsPublic)
{
continue;
}
var ma = (AjaxMethodAttribute[])method.GetCustomAttributes(typeof(AjaxMethodAttribute), true);
if (ma.Length == 0)
{
continue;
}
var ppa = (PrincipalPermissionAttribute[])method.GetCustomAttributes(typeof(PrincipalPermissionAttribute), true);
if (ppa.Length > 0)
{
var permissionDenied = true;
for (var p = 0; p < ppa.Length && permissionDenied; p++)
{
if (!string.IsNullOrEmpty(ppa[p].Role) && context.User != null && context.User.Identity.IsAuthenticated && !context.User.IsInRole(ppa[p].Role))
{
continue;
}
permissionDenied = false;
}
if (permissionDenied)
{
continue;
}
}
//methods[mc++] = method;
methodList.Add(method);
}
var methods = (MethodInfo[])methodList.ToArray(typeof(MethodInfo));
// render client-side proxy file
var sb = new StringBuilder();
TypeJavaScriptProvider jsp = null;
if (Settings.TypeJavaScriptProvider != null)
{
try
{
var jspt = Type.GetType(Settings.TypeJavaScriptProvider);
if (jspt != null && typeof(TypeJavaScriptProvider).IsAssignableFrom(jspt))
{
jsp = (TypeJavaScriptProvider)Activator.CreateInstance(jspt, new object[] { type, url, sb });
}
}
catch (Exception)
{
}
}
if (jsp == null)
{
jsp = new TypeJavaScriptProvider(type, url, sb);
}
jsp.RenderNamespace();
jsp.RenderClassBegin();
jsp.RenderMethods(methods);
jsp.RenderClassEnd();
HttpRuntime.Cache.Insert(type.FullName, sb.ToString(), null, DateTime.UtcNow.AddDays(1), Cache.NoSlidingExpiration);
return(sb.ToString());
}
public static string ProcessRequest(HttpContext context, Type type)
{
if (HttpRuntime.Cache.Get(type.FullName) != null)
return HttpRuntime.Cache.Get(type.FullName).ToString();
var path = type.FullName + "," + type.Assembly.FullName.Split(',')[0];
if (Settings.UseAssemblyQualifiedName) path = type.AssemblyQualifiedName;
if (Settings != null && Settings.UrlNamespaceMappings.ContainsValue(path))
{
foreach (string key in Settings.UrlNamespaceMappings.Keys)
{
if (Settings.UrlNamespaceMappings[key].ToString() == path)
{
path = key;
break;
}
}
}
var url = context.Request.ApplicationPath + (context.Request.ApplicationPath.EndsWith("/") ? "" : "/") + HandlerPath + "/" + GetSessionUri() + path + HandlerExtension;
var mi = type.GetMethods();
var methodList = new ArrayList();
for (var y = 0; y < mi.Length; y++)
{
var method = mi[y];
if (!method.IsPublic)
continue;
var ma = (AjaxMethodAttribute[])method.GetCustomAttributes(typeof(AjaxMethodAttribute), true);
if (ma.Length == 0)
continue;
var ppa = (PrincipalPermissionAttribute[])method.GetCustomAttributes(typeof(PrincipalPermissionAttribute), true);
if (ppa.Length > 0)
{
var permissionDenied = true;
for (var p = 0; p < ppa.Length && permissionDenied; p++)
{
if (!string.IsNullOrEmpty(ppa[p].Role) && context.User != null && context.User.Identity.IsAuthenticated && !context.User.IsInRole(ppa[p].Role))
continue;
permissionDenied = false;
}
if (permissionDenied)
continue;
}
//methods[mc++] = method;
methodList.Add(method);
}
var methods = (MethodInfo[])methodList.ToArray(typeof(MethodInfo));
// render client-side proxy file
var sb = new StringBuilder();
TypeJavaScriptProvider jsp = null;
if (Settings.TypeJavaScriptProvider != null)
{
try
{
var jspt = Type.GetType(Settings.TypeJavaScriptProvider);
if (jspt != null && typeof(TypeJavaScriptProvider).IsAssignableFrom(jspt))
{
jsp = (TypeJavaScriptProvider)Activator.CreateInstance(jspt, new object[] { type, url, sb });
}
}
catch (Exception)
{
}
}
if (jsp == null)
{
jsp = new TypeJavaScriptProvider(type, url, sb);
}
jsp.RenderNamespace();
jsp.RenderClassBegin();
jsp.RenderMethods(methods);
jsp.RenderClassEnd();
HttpRuntime.Cache.Insert(type.FullName, sb.ToString(), null, DateTime.UtcNow.AddDays(1), Cache.NoSlidingExpiration);
return sb.ToString();
}
/// <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)
{
// 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");
}
