Пример #1
0
        /// <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>
		protected override string  GenerateScripts(HttpContext context)
		{
            StringBuilder sb = new StringBuilder();

            string className = filename;

			if(Utility.Settings != null && Utility.Settings.UrlClassMappings.ContainsKey(filename))
			{
                className = Utility.Settings.UrlClassMappings[filename] as string;
                if (context.Trace.IsEnabled) context.Trace.Write(Constant.AjaxID, "Url match to Type: " + className);
            }

            Type type = null;

            try
            {
                type = Type.GetType(className, true);
            }
            catch (Exception ex)
            {
                if (context.Trace.IsEnabled) { context.Trace.Write(Constant.AjaxID, "Type not found: " + className); ex.ToString(); }
#if(WEBEVENT)
				string errorText = string.Format(Constant.AjaxID + " Error", context.User.Identity.Name);

				Management.WebAjaxErrorEvent ev = new Management.WebAjaxErrorEvent(errorText, WebEventCodes.WebExtendedBase + 201, ex);
				ev.Raise();
#endif
                return null;
            }

			// Ok, we do not have the javascript rendered, yet.
			// Build the javascript source and save it to the current
			// Application context.

            // type handler url
			string url = context.Request.ApplicationPath 
                + (context.Request.ApplicationPath.EndsWith("/") ? "" : "/") 
                + Utility.HandlerPath + "/" + AjaxNet.Utility.GetSessionUri() + filename + Utility.HandlerExtension;

			// find all methods that are able to be used with AjaxNet

			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
			TypeJavaScriptGenerator jsp = null;

			if (Utility.Settings.TypeJavaScriptGenerator != null)
			{
				try
				{
					Type jspt = Type.GetType(Utility.Settings.TypeJavaScriptGenerator);
					if (jspt != null && typeof(TypeJavaScriptGenerator).IsAssignableFrom(jspt))
					{
						jsp = (TypeJavaScriptGenerator)Activator.CreateInstance(jspt, new object[3] { type, url, sb });
					}
				}
				catch (Exception)
				{
				}
			}

			if (jsp == null)
			{
				jsp = new TypeJavaScriptGenerator(type, url, sb);
			}

			jsp.RenderNamespace();
			jsp.RenderClassBegin();
#if(NET20)
			jsp.RenderMethods(methods.ToArray());
#else
			jsp.RenderMethods(methods);
#endif
			jsp.RenderClassEnd();

            return sb.ToString();
		}
Пример #2
0
        /// <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>
        protected override string  GenerateScripts(HttpContext context)
        {
            StringBuilder sb = new StringBuilder();

            string className = filename;

            if (Utility.Settings != null && Utility.Settings.UrlClassMappings.ContainsKey(filename))
            {
                className = Utility.Settings.UrlClassMappings[filename] as string;
                if (context.Trace.IsEnabled)
                {
                    context.Trace.Write(Constant.AjaxID, "Url match to Type: " + className);
                }
            }

            Type type = null;

            try
            {
                type = Type.GetType(className, true);
            }
            catch (Exception ex)
            {
                if (context.Trace.IsEnabled)
                {
                    context.Trace.Write(Constant.AjaxID, "Type not found: " + className); ex.ToString();
                }
#if (WEBEVENT)
                string errorText = string.Format(Constant.AjaxID + " Error", context.User.Identity.Name);

                Management.WebAjaxErrorEvent ev = new Management.WebAjaxErrorEvent(errorText, WebEventCodes.WebExtendedBase + 201, ex);
                ev.Raise();
#endif
                return(null);
            }

            // Ok, we do not have the javascript rendered, yet.
            // Build the javascript source and save it to the current
            // Application context.

            // type handler url
            string url = context.Request.ApplicationPath
                         + (context.Request.ApplicationPath.EndsWith("/") ? "" : "/")
                         + Utility.HandlerPath + "/" + AjaxNet.Utility.GetSessionUri() + filename + Utility.HandlerExtension;

            // find all methods that are able to be used with AjaxNet

            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
            TypeJavaScriptGenerator jsp = null;

            if (Utility.Settings.TypeJavaScriptGenerator != null)
            {
                try
                {
                    Type jspt = Type.GetType(Utility.Settings.TypeJavaScriptGenerator);
                    if (jspt != null && typeof(TypeJavaScriptGenerator).IsAssignableFrom(jspt))
                    {
                        jsp = (TypeJavaScriptGenerator)Activator.CreateInstance(jspt, new object[3] {
                            type, url, sb
                        });
                    }
                }
                catch (Exception)
                {
                }
            }

            if (jsp == null)
            {
                jsp = new TypeJavaScriptGenerator(type, url, sb);
            }

            jsp.RenderNamespace();
            jsp.RenderClassBegin();
#if (NET20)
            jsp.RenderMethods(methods.ToArray());
#else
            jsp.RenderMethods(methods);
#endif
            jsp.RenderClassEnd();

            return(sb.ToString());
        }