50 lines
1.5 KiB
C#
50 lines
1.5 KiB
C#
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using Microsoft.AspNetCore.Authentication;
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using Microsoft.AspNetCore.Http;
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using System.Collections.Generic;
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using System.Net.Http;
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using System.Net.Http.Headers;
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using System.Threading;
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using System.Threading.Tasks;
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namespace WebMVC.Infrastructure
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{
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public class HttpClientAuthorizationDelegatingHandler
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: DelegatingHandler
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{
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private readonly IHttpContextAccessor _httpContextAccesor;
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public HttpClientAuthorizationDelegatingHandler(IHttpContextAccessor httpContextAccesor)
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{
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_httpContextAccesor = httpContextAccesor;
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}
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protected override async Task<HttpResponseMessage> SendAsync(HttpRequestMessage request, CancellationToken cancellationToken)
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{
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var authorizationHeader = _httpContextAccesor.HttpContext
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.Request.Headers["Authorization"];
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if (!string.IsNullOrEmpty(authorizationHeader))
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{
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request.Headers.Add("Authorization", new List<string>() { authorizationHeader });
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}
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var token = await GetToken();
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if (token != null)
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{
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request.Headers.Authorization = new AuthenticationHeaderValue("Bearer", token);
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}
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return await base.SendAsync(request, cancellationToken);
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}
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async Task<string> GetToken()
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{
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const string ACCESS_TOKEN = "access_token";
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return await _httpContextAccesor.HttpContext
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.GetTokenAsync(ACCESS_TOKEN);
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}
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}
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}
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