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namespace OAuthServiceProvider.Code {
using System;
using System.Collections.Generic;
using System.Linq;
using System.Security.Cryptography;
using System.Web;
using DotNetOpenAuth.Messaging;
using DotNetOpenAuth.Messaging.Bindings;
using DotNetOpenAuth.OAuth.ChannelElements;
using DotNetOpenAuth.OAuthWrap;
using DotNetOpenAuth.OAuthWrap.ChannelElements;
internal class OAuth2AuthorizationServer : IAuthorizationServer {
private static readonly byte[] secret;
internal static readonly RSAParameters asymmetricKey;
private readonly INonceStore nonceStore = new DatabaseNonceStore();
static OAuth2AuthorizationServer() {
// For this sample, we just generate random secrets.
RandomNumberGenerator crypto = new RNGCryptoServiceProvider();
secret = new byte[16];
crypto.GetBytes(secret);
asymmetricKey = new RSACryptoServiceProvider().ExportParameters(true);
}
#region Implementation of IAuthorizationServer
public byte[] Secret {
get { return secret; }
}
public DotNetOpenAuth.Messaging.Bindings.INonceStore VerificationCodeNonceStore {
get { return this.nonceStore; }
}
public RSAParameters AccessTokenSigningPrivateKey {
get { return asymmetricKey; }
}
public IConsumerDescription GetClient(string clientIdentifier) {
var consumerRow = Global.DataContext.OAuthConsumers.SingleOrDefault(
consumerCandidate => consumerCandidate.ConsumerKey == clientIdentifier);
if (consumerRow == null) {
throw new ArgumentOutOfRangeException("clientIdentifier");
}
return consumerRow;
}
#endregion
public bool IsAuthorizationValid(IAuthorizationDescription authorization) {
// We don't support revoking tokens yet.
return true;
}
}
}
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