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//----------------------------------------------------------------------------
// Copyright (c) Microsoft Corporation. All rights reserved.
//----------------------------------------------------------------------------
namespace System.ServiceModel.Description
{
using System;
using System.Collections.ObjectModel;
using System.ComponentModel;
using System.IdentityModel.Policy;
using System.Runtime.CompilerServices;
using System.ServiceModel;
using System.ServiceModel.Channels;
using System.ServiceModel.Dispatcher;
using System.Web.Security;
public sealed class ServiceAuthorizationBehavior : IServiceBehavior
{
internal const bool DefaultImpersonateCallerForAllOperations = false;
internal const bool DefaultImpersonateOnSerializingReply = false;
internal const PrincipalPermissionMode DefaultPrincipalPermissionMode = PrincipalPermissionMode.UseWindowsGroups;
bool impersonateCallerForAllOperations;
bool impersonateOnSerializingReply;
ReadOnlyCollection<IAuthorizationPolicy> externalAuthorizationPolicies;
ServiceAuthorizationManager serviceAuthorizationManager;
PrincipalPermissionMode principalPermissionMode;
object roleProvider;
bool isExternalPoliciesSet;
bool isAuthorizationManagerSet;
bool isReadOnly;
public ServiceAuthorizationBehavior()
{
this.impersonateCallerForAllOperations = DefaultImpersonateCallerForAllOperations;
this.impersonateOnSerializingReply = DefaultImpersonateOnSerializingReply;
this.principalPermissionMode = DefaultPrincipalPermissionMode;
}
ServiceAuthorizationBehavior(ServiceAuthorizationBehavior other)
{
this.impersonateCallerForAllOperations = other.impersonateCallerForAllOperations;
this.impersonateOnSerializingReply = other.impersonateOnSerializingReply;
this.principalPermissionMode = other.principalPermissionMode;
this.roleProvider = other.roleProvider;
this.isExternalPoliciesSet = other.isExternalPoliciesSet;
this.isAuthorizationManagerSet = other.isAuthorizationManagerSet;
if (other.isExternalPoliciesSet || other.isAuthorizationManagerSet)
{
CopyAuthorizationPoliciesAndManager(other);
}
this.isReadOnly = other.isReadOnly;
}
public ReadOnlyCollection<IAuthorizationPolicy> ExternalAuthorizationPolicies
{
get
{
return this.externalAuthorizationPolicies;
}
set
{
ThrowIfImmutable();
this.isExternalPoliciesSet = true;
this.externalAuthorizationPolicies = value;
}
}
public bool ShouldSerializeExternalAuthorizationPolicies()
{
return this.isExternalPoliciesSet;
}
public ServiceAuthorizationManager ServiceAuthorizationManager
{
get
{
return this.serviceAuthorizationManager;
}
set
{
ThrowIfImmutable();
this.isAuthorizationManagerSet = true;
this.serviceAuthorizationManager = value;
}
}
public bool ShouldSerializeServiceAuthorizationManager()
{
return this.isAuthorizationManagerSet;
}
[DefaultValue(DefaultPrincipalPermissionMode)]
public PrincipalPermissionMode PrincipalPermissionMode
{
get
{
return this.principalPermissionMode;
}
set
{
if (!PrincipalPermissionModeHelper.IsDefined(value))
{
throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(new ArgumentOutOfRangeException("value"));
}
ThrowIfImmutable();
this.principalPermissionMode = value;
}
}
[DefaultValue(null)]
public RoleProvider RoleProvider
{
get
{
return (RoleProvider)this.roleProvider;
}
set
{
ThrowIfImmutable();
this.roleProvider = value;
}
}
[DefaultValue(DefaultImpersonateCallerForAllOperations)]
public bool ImpersonateCallerForAllOperations
{
get
{
return this.impersonateCallerForAllOperations;
}
set
{
ThrowIfImmutable();
this.impersonateCallerForAllOperations = value;
}
}
[DefaultValue(DefaultImpersonateOnSerializingReply)]
public bool ImpersonateOnSerializingReply
{
get
{
return this.impersonateOnSerializingReply;
}
set
{
ThrowIfImmutable();
this.impersonateOnSerializingReply = value;
}
}
[MethodImpl(MethodImplOptions.NoInlining)]
void ApplyAuthorizationPoliciesAndManager(DispatchRuntime behavior)
{
if (this.externalAuthorizationPolicies != null)
{
behavior.ExternalAuthorizationPolicies = this.externalAuthorizationPolicies;
}
if (this.serviceAuthorizationManager != null)
{
behavior.ServiceAuthorizationManager = this.serviceAuthorizationManager;
}
}
[MethodImpl(MethodImplOptions.NoInlining)]
void CopyAuthorizationPoliciesAndManager(ServiceAuthorizationBehavior other)
{
this.externalAuthorizationPolicies = other.externalAuthorizationPolicies;
this.serviceAuthorizationManager = other.serviceAuthorizationManager;
}
[MethodImpl(MethodImplOptions.NoInlining)]
void ApplyRoleProvider(DispatchRuntime dispatchRuntime)
{
dispatchRuntime.RoleProvider = (RoleProvider)this.roleProvider;
}
void IServiceBehavior.Validate(ServiceDescription description, ServiceHostBase serviceHostBase)
{
}
void IServiceBehavior.AddBindingParameters(ServiceDescription description, ServiceHostBase serviceHostBase, Collection<ServiceEndpoint> endpoints, BindingParameterCollection parameters)
{
}
void IServiceBehavior.ApplyDispatchBehavior(ServiceDescription description, ServiceHostBase serviceHostBase)
{
if (description == null)
{
throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(new ArgumentNullException("description"));
}
if (serviceHostBase == null)
{
throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(new ArgumentNullException("serviceHostBase"));
}
for (int i = 0; i < serviceHostBase.ChannelDispatchers.Count; i++)
{
ChannelDispatcher channelDispatcher = serviceHostBase.ChannelDispatchers[i] as ChannelDispatcher;
if (channelDispatcher != null && !ServiceMetadataBehavior.IsHttpGetMetadataDispatcher(description, channelDispatcher))
{
foreach (EndpointDispatcher endpointDispatcher in channelDispatcher.Endpoints)
{
DispatchRuntime behavior = endpointDispatcher.DispatchRuntime;
behavior.PrincipalPermissionMode = this.principalPermissionMode;
if (!endpointDispatcher.IsSystemEndpoint)
{
behavior.ImpersonateCallerForAllOperations = this.impersonateCallerForAllOperations;
behavior.ImpersonateOnSerializingReply = this.impersonateOnSerializingReply;
}
if (this.roleProvider != null)
{
ApplyRoleProvider(behavior);
}
if (this.isAuthorizationManagerSet || this.isExternalPoliciesSet)
{
ApplyAuthorizationPoliciesAndManager(behavior);
}
}
}
}
}
internal ServiceAuthorizationBehavior Clone()
{
return new ServiceAuthorizationBehavior(this);
}
internal void MakeReadOnly()
{
this.isReadOnly = true;
}
void ThrowIfImmutable()
{
if (this.isReadOnly)
{
throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(new InvalidOperationException(SR.GetString(SR.ObjectIsReadOnly)));
}
}
}
}
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