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//-----------------------------------------------------------------------
// <copyright file="OAuthServiceProviderTokenManager.cs" company="Andrew Arnott">
// Copyright (c) Andrew Arnott. All rights reserved.
// </copyright>
//-----------------------------------------------------------------------
namespace WebFormsRelyingParty.Code {
using System;
using System.Collections.Generic;
using System.Linq;
using System.Web;
using DotNetOpenAuth.OAuth.ChannelElements;
public class OAuthServiceProviderTokenManager : OAuthTokenManager, IServiceProviderTokenManager {
/// <summary>
/// Initializes a new instance of the <see cref="OAuthServiceProviderTokenManager"/> class.
/// </summary>
public OAuthServiceProviderTokenManager() {
}
#region IServiceProviderTokenManager Members
/// <summary>
/// Gets the Consumer description for a given a Consumer Key.
/// </summary>
/// <param name="consumerKey">The Consumer Key.</param>
/// <returns>
/// A description of the consumer. Never null.
/// </returns>
/// <exception cref="KeyNotFoundException">Thrown if the consumer key cannot be found.</exception>
public IConsumerDescription GetConsumer(string consumerKey) {
try {
return Global.DataContext.Consumer.First(c => c.ConsumerKey == consumerKey);
} catch (InvalidOperationException) {
throw new KeyNotFoundException();
}
}
/// <summary>
/// Checks whether a given request token has already been authorized
/// by some user for use by the Consumer that requested it.
/// </summary>
/// <param name="requestToken">The Consumer's request token.</param>
/// <returns>
/// True if the request token has already been fully authorized by the user
/// who owns the relevant protected resources. False if the token has not yet
/// been authorized, has expired or does not exist.
/// </returns>
public bool IsRequestTokenAuthorized(string requestToken) {
return Global.DataContext.IssuedToken.OfType<IssuedRequestToken>().Any(
t => t.Token == requestToken && t.User != null);
}
/// <summary>
/// Gets details on the named request token.
/// </summary>
/// <param name="token">The request token.</param>
/// <returns>A description of the token. Never null.</returns>
/// <exception cref="KeyNotFoundException">Thrown if the token cannot be found.</exception>
/// <remarks>
/// It is acceptable for implementations to find the token, see that it has expired,
/// delete it from the database and then throw <see cref="KeyNotFoundException"/>,
/// or alternatively it can return the expired token anyway and the OAuth channel will
/// log and throw the appropriate error.
/// </remarks>
public IServiceProviderRequestToken GetRequestToken(string token) {
try {
return Global.DataContext.IssuedToken.OfType<IssuedRequestToken>().First(tok => tok.Token == token);
} catch (InvalidOperationException) {
throw new KeyNotFoundException();
}
}
/// <summary>
/// Gets details on the named access token.
/// </summary>
/// <param name="token">The access token.</param>
/// <returns>A description of the token. Never null.</returns>
/// <exception cref="KeyNotFoundException">Thrown if the token cannot be found.</exception>
/// <remarks>
/// It is acceptable for implementations to find the token, see that it has expired,
/// delete it from the database and then throw <see cref="KeyNotFoundException"/>,
/// or alternatively it can return the expired token anyway and the OAuth channel will
/// log and throw the appropriate error.
/// </remarks>
public IServiceProviderAccessToken GetAccessToken(string token) {
try {
return Global.DataContext.IssuedToken.OfType<IssuedAccessToken>().First(tok => tok.Token == token);
} catch (InvalidOperationException) {
throw new KeyNotFoundException();
}
}
/// <summary>
/// Persists any changes made to the token.
/// </summary>
/// <param name="token">The token whose properties have been changed.</param>
/// <remarks>
/// This library will invoke this method after making a set
/// of changes to the token as part of a web request to give the host
/// the opportunity to persist those changes to a database.
/// Depending on the object persistence framework the host site uses,
/// this method MAY not need to do anything (if changes made to the token
/// will automatically be saved without any extra handling).
/// </remarks>
public void UpdateToken(IServiceProviderRequestToken token) {
Global.DataContext.SaveChanges();
}
#endregion
}
}
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