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//-----------------------------------------------------------------------
// <copyright file="OpenIdProviderChannel.cs" company="Andrew Arnott">
// Copyright (c) Andrew Arnott. All rights reserved.
// </copyright>
//-----------------------------------------------------------------------
namespace DotNetOpenAuth.OpenId.ChannelElements {
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using DotNetOpenAuth.OpenId.Provider;
using DotNetOpenAuth.Messaging.Bindings;
using System.Diagnostics.Contracts;
internal class OpenIdProviderChannel : OpenIdChannel {
/// <summary>
/// Initializes a new instance of the <see cref="OpenIdChannel"/> class
/// for use by a Provider.
/// </summary>
/// <param name="cryptoKeyStore">The OpenID Provider's association store or handle encoder.</param>
/// <param name="nonceStore">The nonce store to use.</param>
/// <param name="securitySettings">The security settings.</param>
internal OpenIdProviderChannel(IProviderAssociationStore cryptoKeyStore, INonceStore nonceStore, ProviderSecuritySettings securitySettings)
: this(cryptoKeyStore, nonceStore, new OpenIdMessageFactory(), securitySettings) {
Contract.Requires<ArgumentNullException>(cryptoKeyStore != null);
Contract.Requires<ArgumentNullException>(securitySettings != null);
}
/// <summary>
/// Initializes a new instance of the <see cref="OpenIdChannel"/> class
/// for use by a Provider.
/// </summary>
/// <param name="cryptoKeyStore">The association store to use.</param>
/// <param name="nonceStore">The nonce store to use.</param>
/// <param name="messageTypeProvider">An object that knows how to distinguish the various OpenID message types for deserialization purposes.</param>
/// <param name="securitySettings">The security settings.</param>
private OpenIdChannel(IProviderAssociationStore cryptoKeyStore, INonceStore nonceStore, IMessageFactory messageTypeProvider, ProviderSecuritySettings securitySettings) :
this(messageTypeProvider, InitializeBindingElements(cryptoKeyStore, nonceStore, securitySettings)) {
Contract.Requires<ArgumentNullException>(cryptoKeyStore != null);
Contract.Requires<ArgumentNullException>(messageTypeProvider != null);
Contract.Requires<ArgumentNullException>(securitySettings != null);
}
/// <summary>
/// Initializes the binding elements.
/// </summary>
/// <param name="cryptoKeyStore">The OpenID Provider's crypto key store.</param>
/// <param name="nonceStore">The nonce store to use.</param>
/// <param name="securitySettings">The security settings to apply. Must be an instance of either <see cref="RelyingPartySecuritySettings"/> or <see cref="ProviderSecuritySettings"/>.</param>
/// <returns>
/// An array of binding elements which may be used to construct the channel.
/// </returns>
private static IChannelBindingElement[] InitializeBindingElements(IProviderAssociationStore cryptoKeyStore, INonceStore nonceStore, ProviderSecuritySettings securitySettings) {
Contract.Requires<ArgumentNullException>(cryptoKeyStore != null);
Contract.Requires<ArgumentNullException>(securitySettings != null);
Contract.Requires<ArgumentNullException>(nonceStore != null);
SigningBindingElement signingElement;
signingElement = new SigningBindingElement(cryptoKeyStore, securitySettings);
var extensionFactory = OpenIdExtensionFactoryAggregator.LoadFromConfiguration();
List<IChannelBindingElement> elements = new List<IChannelBindingElement>(8);
elements.Add(new ExtensionsBindingElement(extensionFactory, securitySettings));
elements.Add(new StandardReplayProtectionBindingElement(nonceStore, true));
elements.Add(new StandardExpirationBindingElement());
elements.Add(signingElement);
return elements.ToArray();
}
}
}
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