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//-----------------------------------------------------------------------
// <copyright file="OAuthServiceProvider.cs" company="Andrew Arnott">
// Copyright (c) Andrew Arnott. All rights reserved.
// </copyright>
//-----------------------------------------------------------------------
namespace RelyingPartyLogic {
using System;
using System.Collections.Generic;
using System.Linq;
using System.Web;
using DotNetOpenAuth.Messaging;
using DotNetOpenAuth.OAuth2;
using DotNetOpenAuth.OAuth2.ChannelElements;
using DotNetOpenAuth.OAuth2.Messages;
public class OAuthServiceProvider {
private const string PendingAuthorizationRequestSessionKey = "PendingAuthorizationRequest";
/// <summary>
/// The shared service description for this web site.
/// </summary>
private static AuthorizationServerDescription authorizationServerDescription;
/// <summary>
/// The shared authorization server.
/// </summary>
private static WebServerAuthorizationServer authorizationServer;
/// <summary>
/// The lock to synchronize initialization of the <see cref="authorizationServer"/> field.
/// </summary>
private static readonly object InitializerLock = new object();
/// <summary>
/// Gets the service provider.
/// </summary>
/// <value>The service provider.</value>
public static WebServerAuthorizationServer AuthorizationServer {
get {
EnsureInitialized();
return authorizationServer;
}
}
/// <summary>
/// Gets the service description.
/// </summary>
/// <value>The service description.</value>
public static AuthorizationServerDescription AuthorizationServerDescription {
get {
EnsureInitialized();
return authorizationServerDescription;
}
}
/// <summary>
/// Initializes the <see cref="authorizationServer"/> field if it has not yet been initialized.
/// </summary>
private static void EnsureInitialized() {
if (authorizationServer == null) {
lock (InitializerLock) {
if (authorizationServerDescription == null) {
authorizationServerDescription = new AuthorizationServerDescription {
AuthorizationEndpoint = new Uri(Utilities.ApplicationRoot, "OAuth.ashx"),
TokenEndpoint = new Uri(Utilities.ApplicationRoot, "OAuth.ashx"),
};
}
if (authorizationServer == null) {
authorizationServer = new WebServerAuthorizationServer(new OAuthAuthorizationServer());
}
}
}
}
}
}
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