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//-----------------------------------------------------------------------
// <copyright file="AuthServerUtilities.cs" company="Outercurve Foundation">
// Copyright (c) Outercurve Foundation. All rights reserved.
// </copyright>
//-----------------------------------------------------------------------
namespace DotNetOpenAuth.OAuth2 {
using System;
using System.Collections.Generic;
using System.Diagnostics.Contracts;
using System.Linq;
using System.Text;
using DotNetOpenAuth.Messaging;
/// <summary>
/// Utility methods for authorization servers.
/// </summary>
internal static class AuthServerUtilities {
/// <summary>
/// Gets information about the client with a given identifier.
/// </summary>
/// <param name="authorizationServer">The authorization server.</param>
/// <param name="clientIdentifier">The client identifier.</param>
/// <returns>The client information. Never null.</returns>
internal static IClientDescription GetClientOrThrow(this IAuthorizationServer authorizationServer, string clientIdentifier) {
Requires.NotNullOrEmpty(clientIdentifier, "clientIdentifier");
Contract.Ensures(Contract.Result<IClientDescription>() != null);
try {
var result = authorizationServer.GetClient(clientIdentifier);
ErrorUtilities.VerifyHost(result != null, OAuthStrings.ResultShouldNotBeNull, authorizationServer.GetType().FullName, "GetClient(string)");
return result;
} catch (KeyNotFoundException ex) {
throw ErrorUtilities.Wrap(ex, OAuthStrings.ClientOrTokenSecretNotFound);
} catch (ArgumentException ex) {
throw ErrorUtilities.Wrap(ex, OAuthStrings.ClientOrTokenSecretNotFound);
}
}
}
}
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