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
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
|
//----------------------------------------------------------------------------
// Copyright (c) Microsoft Corporation. All rights reserved.
//----------------------------------------------------------------------------
namespace System.ServiceModel.Activation
{
using System.Collections.Generic;
using System.Diagnostics;
using System.Reflection;
using System.Runtime;
using System.Runtime.Diagnostics;
using System.Security;
using System.Security.Permissions;
using System.ServiceModel;
using System.ServiceModel.Configuration;
using System.ServiceModel.Activation.Diagnostics;
using System.ServiceModel.Diagnostics.Application;
using System.Diagnostics.CodeAnalysis;
class HostedTransportConfigurationManager
{
IDictionary<string, HostedTransportConfiguration> configurations = new Dictionary<string, HostedTransportConfiguration>(StringComparer.Ordinal);
// Double-checked locking pattern requires volatile for read/write synchronization
volatile bool initialized = false;
MetabaseSettings metabaseSettings;
// Double-checked locking pattern requires volatile for read/write synchronization
static volatile HostedTransportConfigurationManager singleton;
static object syncRoot = new object();
#pragma warning disable 436
const string WasHostingAssemblyName = "System.ServiceModel.WasHosting, Version=" + ThisAssembly.Version + ", Culture=neutral, PublicKeyToken=" + AssemblyRef.EcmaPublicKey;
const string MetabaseSettingsIis7FactoryTypeName = "System.ServiceModel.WasHosting.MetabaseSettingsIis7Factory, " + WasHostingAssemblyName;
#pragma warning restore 436
const string CreateMetabaseSettingsIis7MethodName = "CreateMetabaseSettings";
HostedTransportConfigurationManager()
{
if (!Iis7Helper.IsIis7)
{
metabaseSettings = new MetabaseSettingsIis6();
}
else
{
metabaseSettings = CreateWasHostingMetabaseSettings();
}
}
HostedTransportConfigurationManager(MetabaseSettings metabaseSettings)
{
this.metabaseSettings = metabaseSettings;
}
[Fx.Tag.SecurityNote(Critical = "Calls Critical methods CreateMetabaseSettings.",
Safe = "Ensures that only the correct, well-known method is called to construct the metabase settings. No other " +
"details are leaked, and no control flow or data is allowed in.")]
[SecuritySafeCritical]
static MetabaseSettingsIis CreateWasHostingMetabaseSettings()
{
Type type = Type.GetType(MetabaseSettingsIis7FactoryTypeName, false);
if (type == null)
{
throw FxTrace.Exception.AsError(new InvalidOperationException(SR.Hosting_MetabaseSettingsIis7TypeNotFound(MetabaseSettingsIis7FactoryTypeName, WasHostingAssemblyName)));
}
return CreateMetabaseSettings(type);
}
[SuppressMessage(FxCop.Category.Security, FxCop.Rule.SecureAsserts, Justification = "This is a private SecurityCritical method and its only caller passes in non-user data. Users cannot pass arbitrary data to this code.")]
[Fx.Tag.SecurityNote(Critical = "Asserts full trust in order to call a well-known internal static in WasHosting.dll." +
"Caller must ensure that 'type' argument refers to the trusted, well-known Type.")]
[SecurityCritical]
static MetabaseSettingsIis CreateMetabaseSettings(Type type)
{
object instance = null;
MethodInfo method = type.GetMethod(CreateMetabaseSettingsIis7MethodName, BindingFlags.NonPublic | BindingFlags.Static);
try
{
new PermissionSet(PermissionState.Unrestricted).Assert();
instance = method.Invoke(null, null);
}
finally
{
PermissionSet.RevertAssert();
}
if (!(instance is MetabaseSettingsIis))
{
throw FxTrace.Exception.AsError(new InvalidOperationException(SR.Hosting_BadMetabaseSettingsIis7Type(type.AssemblyQualifiedName)));
}
return (MetabaseSettingsIis)instance;
}
internal static void EnsureInitializedForSimpleApplicationHost(HostedHttpRequestAsyncResult result)
{
if (singleton != null)
{
return;
}
lock (syncRoot)
{
if (singleton != null)
return;
singleton = new HostedTransportConfigurationManager(new MetabaseSettingsCassini(result));
}
}
internal static MetabaseSettings MetabaseSettings
{
get
{
return HostedTransportConfigurationManager.Value.metabaseSettings;
}
}
object ThisLock
{
get
{
return this;
}
}
static HostedTransportConfigurationManager Value
{
get
{
if (singleton == null)
{
lock (syncRoot)
{
if (singleton == null)
{
//Ensure ETW tracing is initialized
System.ServiceModel.Diagnostics.TraceUtility.SetEtwProviderId();
if (TD.HostedTransportConfigurationManagerConfigInitStartIsEnabled())
{
TD.HostedTransportConfigurationManagerConfigInitStart();
}
ServiceHostingEnvironment.EnsureInitialized();
singleton = new HostedTransportConfigurationManager();
if (TD.HostedTransportConfigurationManagerConfigInitStopIsEnabled())
{
TD.HostedTransportConfigurationManagerConfigInitStop();
}
}
}
}
return singleton;
}
}
void EnsureInitialized()
{
if (!initialized)
{
lock (ThisLock)
{
if (!initialized)
{
// Register protocols.
foreach (string protocol in metabaseSettings.GetProtocols())
{
// special case HTTP, it's a legacy protocol
if (string.CompareOrdinal(protocol, Uri.UriSchemeHttp) == 0 ||
string.CompareOrdinal(protocol, Uri.UriSchemeHttps) == 0)
{
HttpHostedTransportConfiguration httpConfiguration = null;
if (string.CompareOrdinal(protocol, Uri.UriSchemeHttp) == 0)
{
httpConfiguration = new HttpHostedTransportConfiguration();
}
else
{
httpConfiguration = new HttpsHostedTransportConfiguration();
}
configurations.Add(protocol, httpConfiguration);
}
else
{
if (!Iis7Helper.IsIis7)
{
throw Fx.AssertAndThrowFatal("HostedTransportConfigurationManager.EnsureInitialized() protocols other than http and https can only be configured in IIS7");
}
if (AspNetPartialTrustHelpers.NeedPartialTrustInvoke)
{
throw FxTrace.Exception.AsError(new InvalidOperationException(SR.PartialTrustNonHttpActivation(protocol, HostingEnvironmentWrapper.ApplicationVirtualPath)));
}
AddHostedTransportConfigurationIis7(protocol);
}
}
initialized = true;
}
}
}
}
void AddHostedTransportConfigurationIis7(string protocol)
{
HostedTransportConfiguration configuration = null;
try
{
ServiceHostingEnvironmentSection section = ServiceHostingEnvironmentSection.GetSection();
if (section.TransportConfigurationTypes.ContainsKey(protocol))
{
TransportConfigurationTypeElement element = section.TransportConfigurationTypes[protocol];
Debug.Print("HostedTransportConfigurationManager.AddHostedTransportConfigurationIis7() found TransportConfigurationTypes for protocol: " + protocol + " name: " + element.TransportConfigurationType);
Type type = Type.GetType(element.TransportConfigurationType);
configuration = Activator.CreateInstance(type) as HostedTransportConfiguration;
configurations.Add(protocol, configuration);
}
else
{
throw FxTrace.Exception.AsError(new InvalidOperationException(SR.Hosting_ProtocolNoConfiguration(protocol)));
}
}
catch (Exception exception)
{
if (!Fx.IsFatal(exception))
{
Debug.Print("HostedTransportConfigurationManager.AddHostedTransportConfigurationIis7() caught exception: " + exception);
if (DiagnosticUtility.ShouldTraceError)
{
TraceUtility.TraceEvent(TraceEventType.Error, TraceCode.WebHostProtocolMisconfigured, SR.TraceCodeWebHostProtocolMisconfigured,
new StringTraceRecord("Protocol", protocol),
this, exception);
}
}
throw;
}
}
internal static Uri[] GetBaseAddresses(string virtualPath)
{
return HostedTransportConfigurationManager.Value.InternalGetBaseAddresses(virtualPath);
}
internal static HostedTransportConfiguration GetConfiguration(string scheme)
{
return HostedTransportConfigurationManager.Value.InternalGetConfiguration(scheme);
}
Uri[] InternalGetBaseAddresses(string virtualPath)
{
EnsureInitialized();
List<Uri> baseAddresses = new List<Uri>();
foreach (HostedTransportConfiguration configuration in configurations.Values)
{
baseAddresses.AddRange(configuration.GetBaseAddresses(virtualPath));
}
return baseAddresses.ToArray();
}
HostedTransportConfiguration InternalGetConfiguration(string scheme)
{
EnsureInitialized();
if (!configurations.ContainsKey(scheme))
{
throw FxTrace.Exception.AsError(new InvalidOperationException(SR.Hosting_NotSupportedProtocol(scheme)));
}
return configurations[scheme];
}
}
}
|
