//------------------------------------------------------------ // Copyright (c) Microsoft Corporation. All rights reserved. //------------------------------------------------------------ namespace System.ServiceModel.Web { using System; using System.Linq; using System.Runtime; using System.Net; using System.Runtime.Serialization; using System.Security; using System.Security.Permissions; using System.ServiceModel; using System.Globalization; using System.Collections.Generic; using System.Collections.ObjectModel; using System.Diagnostics.CodeAnalysis; [Serializable] [System.Diagnostics.CodeAnalysis.SuppressMessage("Microsoft.Design", "CA1032:ImplementStandardExceptionConstructors", Justification = "REST Exceptions cannot contain InnerExceptions or messages")] public class WebFaultException : FaultException, IWebFaultException { internal const string WebFaultCodeNamespace = "http://schemas.microsoft.com/2009/WebFault"; public WebFaultException(HttpStatusCode statusCode) : base(GetDefaultReason(statusCode), GetFaultCode(statusCode)) { this.StatusCode = statusCode; } protected WebFaultException(SerializationInfo info, StreamingContext context) : base(info, context) { this.StatusCode = (HttpStatusCode)info.GetValue("statusCode", typeof(HttpStatusCode)); } public HttpStatusCode StatusCode { get; private set; } [SuppressMessage("Microsoft.Design", "CA1033:InterfaceMethodsShouldBeCallableByChildTypes", Justification = "The interface is used merely to be able to handled both the generic and non-generic versions and doesn't need to be exposed.")] Type IWebFaultException.DetailType { get { return null; } } [SuppressMessage("Microsoft.Design", "CA1033:InterfaceMethodsShouldBeCallableByChildTypes", Justification = "The interface is used merely to be able to handled both the generic and non-generic versions and doesn't need to be exposed.")] object IWebFaultException.DetailObject { get { return null; } } [SuppressMessage("Microsoft.Design", "CA1033:InterfaceMethodsShouldBeCallableByChildTypes", Justification = "The interface is used merely to be able to handled both the generic and non-generic versions and doesn't need to be exposed.")] Type[] IWebFaultException.KnownTypes { get { return null; } } [Fx.Tag.SecurityNote(Critical = "Overrides the base.GetObjectData which is critical, as well as calling this method.", Safe = "Replicates the LinkDemand.")] [SecurityCritical] [SecurityPermissionAttribute(SecurityAction.LinkDemand, SerializationFormatter = true)] public override void GetObjectData(SerializationInfo info, StreamingContext context) { base.GetObjectData(info, context); info.AddValue("statusCode", this.StatusCode); } internal static FaultCode GetFaultCode(HttpStatusCode statusCode) { if ((int) statusCode >= (int) HttpStatusCode.InternalServerError) { return FaultCode.CreateReceiverFaultCode(statusCode.ToString(), WebFaultCodeNamespace); } else { return FaultCode.CreateSenderFaultCode(statusCode.ToString(), WebFaultCodeNamespace); } } // These reasons come from section 6.1.1 of http://www.ietf.org/rfc/rfc2616.txt internal static string GetDefaultReason(HttpStatusCode statusCode) { switch ((int)statusCode) { case 100: return "Continue"; case 101: return "Switching Protocols"; case 200: return "OK"; case 201: return "Created"; case 202: return "Accepted"; case 203: return "Non-Authoritative Information"; case 204: return "No Content"; case 205: return "Reset Content"; case 206: return "Partial Content"; case 300: return "Multiple Choices"; case 301: return "Moved Permanently"; case 302: return "Found"; case 303: return "See Other"; case 304: return "Not Modified"; case 305: return "Use Proxy"; case 307: return "Temporary Redirect"; case 400: return "Bad Request"; case 401: return "Unauthorized"; case 402: return "Payment Required"; case 403: return "Forbidden"; case 404: return "Not Found"; case 405: return "Method Not Allowed"; case 406: return "Not Acceptable"; case 407: return "Proxy Authentication Required"; case 408: return "Request Time-out"; case 409: return "Conflict"; case 410: return "Gone"; case 411: return "Length Required"; case 412: return "Precondition Failed"; case 413: return "Request Entity Too Large"; case 414: return "Request-URI Too Large"; case 415: return "Unsupported Media Type"; case 416: return "Requested range not satisfiable"; case 417: return "Expectation Failed"; case 500: return "Internal Server Error"; case 501: return "Not Implemented"; case 502: return "Bad Gateway"; case 503: return "Service Unavailable"; case 504: return "Gateway Time-out"; case 505: return "HTTP Version not supported"; default: { int errorClass = ((int)statusCode) / 100; switch (errorClass) { case 1: return "Informational"; case 2: return "Success"; case 3: return "Redirection"; case 4: return "Client Error"; case 5: return "Server Error"; default: return null; } } } } } [Serializable] [System.Diagnostics.CodeAnalysis.SuppressMessage("Microsoft.Design", "CA1032:ImplementStandardExceptionConstructors", Justification = "REST Exceptions cannot contain InnerExceptions or messages")] public class WebFaultException : FaultException, IWebFaultException { Type[] knownTypes; public WebFaultException(T detail, HttpStatusCode statusCode) : base(detail, WebFaultException.GetDefaultReason(statusCode), WebFaultException.GetFaultCode(statusCode)) { this.StatusCode = statusCode; } public WebFaultException(T detail, HttpStatusCode statusCode, IEnumerable knownTypes) : base(detail, WebFaultException.GetDefaultReason(statusCode), WebFaultException.GetFaultCode(statusCode)) { this.StatusCode = statusCode; this.knownTypes = (knownTypes == null) ? null : new List(knownTypes).ToArray(); } protected WebFaultException(SerializationInfo info, StreamingContext context) : base(info, context) { this.StatusCode = (HttpStatusCode)info.GetValue("statusCode", typeof(HttpStatusCode)); this.knownTypes = (Type[])info.GetValue("knownTypes", typeof(Type[])); } public HttpStatusCode StatusCode { get; private set; } [SuppressMessage("Microsoft.Design", "CA1033:InterfaceMethodsShouldBeCallableByChildTypes", Justification = "The interface is used merely to be able to handled both the generic and non-generic versions and doesn't need to be exposed.")] Type IWebFaultException.DetailType { get { return typeof(T); } } [SuppressMessage("Microsoft.Design", "CA1033:InterfaceMethodsShouldBeCallableByChildTypes", Justification = "The interface is used merely to be able to handled both the generic and non-generic versions and doesn't need to be exposed.")] object IWebFaultException.DetailObject { get { return this.Detail; } } [SuppressMessage("Microsoft.Design", "CA1033:InterfaceMethodsShouldBeCallableByChildTypes", Justification = "The interface is used merely to be able to handled both the generic and non-generic versions and doesn't need to be exposed.")] Type[] IWebFaultException.KnownTypes { get { return this.knownTypes; } } [Fx.Tag.SecurityNote(Critical = "Overrides the base.GetObjectData which is critical, as well as calling this method.", Safe = "Replicates the LinkDemand.")] [SecurityCritical] [SecurityPermissionAttribute(SecurityAction.LinkDemand, SerializationFormatter = true)] public override void GetObjectData(SerializationInfo info, StreamingContext context) { base.GetObjectData(info, context); info.AddValue("statusCode", this.StatusCode); info.AddValue("knownTypes", this.knownTypes); } } }