1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
|
//------------------------------------------------------------------------------
// <copyright file="SoapServerProtocol.cs" company="Microsoft">
// Copyright (c) Microsoft Corporation. All rights reserved.
// </copyright>
//------------------------------------------------------------------------------
namespace System.Web.Services.Protocols {
using System;
using System.Collections;
using System.IO;
using System.Net;
using System.Reflection;
using System.Text;
using System.Xml;
using System.Xml.Schema;
using System.Xml.Serialization;
using System.Web.Services.Configuration;
using System.Web.Services.Description;
using System.Web.Services.Diagnostics;
internal class Soap12ServerProtocolHelper : SoapServerProtocolHelper {
internal Soap12ServerProtocolHelper(SoapServerProtocol protocol) : base(protocol) {
}
internal Soap12ServerProtocolHelper(SoapServerProtocol protocol, string requestNamespace) : base(protocol, requestNamespace) {
}
internal override SoapProtocolVersion Version {
get { return SoapProtocolVersion.Soap12; }
}
internal override WebServiceProtocols Protocol {
get { return WebServiceProtocols.HttpSoap12; }
}
internal override string EnvelopeNs {
get { return Soap12.Namespace; }
}
internal override string EncodingNs {
get { return Soap12.Encoding; }
}
internal override string HttpContentType {
get { return ContentType.ApplicationSoap; }
}
internal override SoapServerMethod RouteRequest() {
string action = ContentType.GetAction(ServerProtocol.Request.ContentType);
SoapServerMethod method = null;
bool duplicateAction = false, duplicateRequestElement = false;
TraceMethod caller = Tracing.On ? new TraceMethod(this, "RouteRequest") : null;
if (action != null && action.Length > 0) {
action = HttpUtility.UrlDecode(action);
if (Tracing.On) Tracing.Enter("RouteRequest", caller, new TraceMethod(ServerType, "GetMethod", action), Tracing.Details(ServerProtocol.Request));
method = ServerType.GetMethod(action);
if (Tracing.On) Tracing.Exit("RouteRequest", caller);
if (method != null) {
if (ServerType.GetDuplicateMethod(action) != null) {
method = null;
duplicateAction = true;
}
}
}
XmlQualifiedName requestElement = XmlQualifiedName.Empty;
if (method == null) {
// try request element
requestElement = GetRequestElement();
if (Tracing.On) Tracing.Enter("RouteRequest", caller, new TraceMethod(ServerType, "GetMethod", requestElement), Tracing.Details(ServerProtocol.Request));
method = ServerType.GetMethod(requestElement);
if (Tracing.On) Tracing.Exit("RouteRequest", caller);
if (method != null) {
if (ServerType.GetDuplicateMethod(requestElement) != null) {
method = null;
duplicateRequestElement = true;
}
}
}
if (method == null) {
// try to figure out what happened...
if (action == null || action.Length == 0) {
// they didn't send a soap action and we couldn't route on request element
// require soap action for future requests:
throw new SoapException(Res.GetString(Res.UnableToHandleRequestActionRequired0), Soap12FaultCodes.SenderFaultCode);
}
else if (duplicateAction) {
// what went wrong with the request element?
if (duplicateRequestElement) {
// server's fault -- nothing the client could have done to prevent this
throw new SoapException(Res.GetString(Res.UnableToHandleRequest0), Soap12FaultCodes.ReceiverFaultCode);
}
else {
// probably client's fault -- we didn't recognize the request element they sent
throw new SoapException(Res.GetString(Res.TheRequestElementXmlnsWasNotRecognized2, requestElement.Name, requestElement.Namespace), Soap12FaultCodes.SenderFaultCode);
}
}
else {
// neither action nor request element worked out for us. since they sent an action,
// we'll suggest they do a better job next time
throw new SoapException(Res.GetString(Res.UnableToHandleRequestActionNotRecognized1, action), Soap12FaultCodes.SenderFaultCode);
}
}
return method;
}
internal override void WriteFault(XmlWriter writer, SoapException soapException, HttpStatusCode statusCode) {
if (statusCode != HttpStatusCode.InternalServerError)
return;
if (soapException == null)
return;
writer.WriteStartDocument();
writer.WriteStartElement(Soap.Prefix, Soap.Element.Envelope, Soap12.Namespace);
writer.WriteAttributeString("xmlns", Soap.Prefix, null, Soap12.Namespace);
writer.WriteAttributeString("xmlns", "xsi", null, XmlSchema.InstanceNamespace);
writer.WriteAttributeString("xmlns", "xsd", null, XmlSchema.Namespace);
if (ServerProtocol.ServerMethod != null)
SoapHeaderHandling.WriteHeaders(writer, ServerProtocol.ServerMethod.outHeaderSerializer, ServerProtocol.Message.Headers, ServerProtocol.ServerMethod.outHeaderMappings, SoapHeaderDirection.Fault, ServerProtocol.ServerMethod.use == SoapBindingUse.Encoded, ServerType.serviceNamespace, ServerType.serviceDefaultIsEncoded, Soap12.Namespace);
else
SoapHeaderHandling.WriteUnknownHeaders(writer, ServerProtocol.Message.Headers, Soap12.Namespace);
writer.WriteStartElement(Soap.Element.Body, Soap12.Namespace);
writer.WriteStartElement(Soap.Element.Fault, Soap12.Namespace);
writer.WriteStartElement(Soap12.Element.FaultCode, Soap12.Namespace);
WriteFaultCodeValue(writer, TranslateFaultCode(soapException.Code), soapException.SubCode);
writer.WriteEndElement(); // </faultcode>
writer.WriteStartElement(Soap12.Element.FaultReason, Soap12.Namespace);
writer.WriteStartElement(Soap12.Element.FaultReasonText, Soap12.Namespace);
writer.WriteAttributeString("xml", "lang", Soap.XmlNamespace, Res.GetString(Res.XmlLang));
writer.WriteString(ServerProtocol.GenerateFaultString(soapException));
writer.WriteEndElement(); // </Text>
writer.WriteEndElement(); // </Reason>
// Only write an actor element if the actor was specified (it's optional for end-points)
string actor = soapException.Actor;
if (actor.Length > 0)
writer.WriteElementString(Soap12.Element.FaultNode, Soap12.Namespace, actor);
string role = soapException.Role;
if (role.Length > 0)
writer.WriteElementString(Soap12.Element.FaultRole, Soap12.Namespace, role);
// Only write a FaultDetail element if exception is related to the body (not a header)
if (!(soapException is SoapHeaderException)) {
if (soapException.Detail == null) {
writer.WriteStartElement(Soap12.Element.FaultDetail, Soap12.Namespace);
writer.WriteEndElement();
}
else {
soapException.Detail.WriteTo(writer);
}
}
writer.WriteEndElement();
writer.WriteEndElement();
writer.WriteEndElement();
writer.Flush();
}
private static void WriteFaultCodeValue(XmlWriter writer, XmlQualifiedName code, SoapFaultSubCode subcode) {
if (code == null) return;
writer.WriteStartElement(Soap12.Element.FaultCodeValue, Soap12.Namespace);
if (code.Namespace != null && code.Namespace.Length > 0 && writer.LookupPrefix(code.Namespace) == null)
writer.WriteAttributeString("xmlns", "q0", null, code.Namespace);
writer.WriteQualifiedName(code.Name, code.Namespace);
writer.WriteEndElement(); // </value>
if (subcode != null) {
writer.WriteStartElement(Soap12.Element.FaultSubcode, Soap12.Namespace);
WriteFaultCodeValue(writer, subcode.Code, subcode.SubCode);
writer.WriteEndElement(); // </subcode>
}
}
private static XmlQualifiedName TranslateFaultCode(XmlQualifiedName code) {
// note that we're allowing user-defined codes at the top-level here which technically
// is not allowed by the soap 1.2 spec.
if (code.Namespace == Soap.Namespace) {
if (code.Name == Soap.Code.Server)
return Soap12FaultCodes.ReceiverFaultCode;
else if (code.Name == Soap.Code.Client)
return Soap12FaultCodes.SenderFaultCode;
else if (code.Name == Soap.Code.MustUnderstand)
return Soap12FaultCodes.MustUnderstandFaultCode;
else if (code.Name == Soap.Code.VersionMismatch)
return Soap12FaultCodes.VersionMismatchFaultCode;
}
return code;
}
}
}
|
