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ApiKeyServiceClientCredentials.cs
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/
ApiKeyServiceClientCredentials.cs
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namespace Microsoft.Azure.CognitiveServices.Language.LUIS.Authoring
{
using System;
using System.Net.Http;
using System.Threading;
using System.Threading.Tasks;
using Microsoft.Rest;
/// <summary>
/// Allows authentication to the API using a basic apiKey mechanism.
/// </summary>
public class ApiKeyServiceClientCredentials : ServiceClientCredentials
{
private readonly string subscriptionKey;
/// <summary>
/// Creates a new instance of the ApiKeyServiceClientCredentails class.
/// </summary>
/// <param name="subscriptionKey">The subscription key to authenticate and authorize as.</param>
public ApiKeyServiceClientCredentials(string subscriptionKey)
{
if (string.IsNullOrWhiteSpace(subscriptionKey))
throw new ArgumentNullException("subscriptionKey");
this.subscriptionKey = subscriptionKey;
}
/// <summary>
/// Add the Basic Authentication Header to each outgoing request.
/// </summary>
/// <param name="request">The outgoing request.</param>
/// <param name="cancellationToken">A token to cancel the operation.</param>
public override Task ProcessHttpRequestAsync(HttpRequestMessage request, CancellationToken cancellationToken)
{
if (request == null)
throw new ArgumentNullException("request");
request.Headers.Add("Ocp-Apim-Subscription-Key", this.subscriptionKey);
return Task.FromResult<object>(null);
}
}
}