87 lines
4.2 KiB
C#
87 lines
4.2 KiB
C#
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//------------------------------------------------------------
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// Copyright (c) Microsoft Corporation. All rights reserved.
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//------------------------------------------------------------
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#pragma warning disable 1634, 1691
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namespace System.ServiceModel.Dispatcher
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{
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using System.Net;
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using System.Linq;
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using System.ServiceModel;
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using System.ServiceModel.Channels;
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using System.ServiceModel.Web;
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using System.Web;
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using System.ServiceModel.Description;
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using System.Diagnostics;
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using System.ServiceModel.Diagnostics;
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class JavascriptCallbackMessageInspector : IDispatchMessageInspector
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{
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internal static readonly string applicationJavaScriptMediaType = "application/x-javascript";
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public JavascriptCallbackMessageInspector(string callbackParameterName)
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{
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this.CallbackParameterName = callbackParameterName;
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if (DiagnosticUtility.ShouldTraceInformation)
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{
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TraceUtility.TraceEvent(TraceEventType.Information, TraceCode.JsonpCallbackNameSet, SR2.GetString(SR2.TraceCodeJsonpCallbackNameSet, callbackParameterName));
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}
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}
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string CallbackParameterName { get; set; }
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public object AfterReceiveRequest(ref Message request, IClientChannel channel, InstanceContext instanceContext)
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{
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if (HttpContext.Current != null &&
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HttpContext.Current.User != null &&
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HttpContext.Current.User.Identity != null &&
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HttpContext.Current.User.Identity.IsAuthenticated)
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{
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throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(new NotSupportedException(SR2.CrossDomainJavascriptAuthNotSupported));
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}
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return null;
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}
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public void BeforeSendReply(ref Message reply, object correlationState)
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{
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WebBodyFormatMessageProperty formatProperty;
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JavascriptCallbackResponseMessageProperty javascriptCallbackResponseMessageProperty = null;
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if (reply.Properties.TryGetValue<WebBodyFormatMessageProperty>(WebBodyFormatMessageProperty.Name, out formatProperty) &&
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formatProperty != null &&
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formatProperty.Format == WebContentFormat.Json)
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{
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if (!reply.Properties.TryGetValue<JavascriptCallbackResponseMessageProperty>(JavascriptCallbackResponseMessageProperty.Name, out javascriptCallbackResponseMessageProperty)
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|| javascriptCallbackResponseMessageProperty == null)
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{
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javascriptCallbackResponseMessageProperty = WebHttpBehavior.TrySetupJavascriptCallback(this.CallbackParameterName);
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if (javascriptCallbackResponseMessageProperty != null)
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{
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reply.Properties.Add(JavascriptCallbackResponseMessageProperty.Name, javascriptCallbackResponseMessageProperty);
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}
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}
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if (javascriptCallbackResponseMessageProperty != null)
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{
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HttpResponseMessageProperty property;
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if (reply.Properties.TryGetValue<HttpResponseMessageProperty>(HttpResponseMessageProperty.Name, out property) &&
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property != null)
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{
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property.Headers[HttpResponseHeader.ContentType] = applicationJavaScriptMediaType;
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if (javascriptCallbackResponseMessageProperty.StatusCode == null)
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{
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javascriptCallbackResponseMessageProperty.StatusCode = property.StatusCode;
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}
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property.StatusCode = HttpStatusCode.OK;
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if (property.SuppressEntityBody)
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{
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property.SuppressEntityBody = false;
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Message nullJsonMessage = WebOperationContext.Current.CreateJsonResponse<object>(null);
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nullJsonMessage.Properties.CopyProperties(reply.Properties);
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reply = nullJsonMessage;
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}
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}
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}
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}
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}
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}
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}
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