47 lines
1.3 KiB
C#
47 lines
1.3 KiB
C#
using Microsoft.AspNetCore.Components.Authorization;
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namespace TechHelper.Client.HttpRepository
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{
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public class RefreshTokenService2
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{
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private readonly Lazy<AuthenticationStateProvider> _authenticationStateProvider;
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private readonly Lazy<IAuthenticationClientService> _authenticationClientService;
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public RefreshTokenService2(IServiceProvider serviceProvider)
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{
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_authenticationStateProvider = new Lazy<AuthenticationStateProvider>(
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() => serviceProvider.GetRequiredService<AuthenticationStateProvider>());
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_authenticationClientService = new Lazy<IAuthenticationClientService>(
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() => serviceProvider.GetRequiredService<IAuthenticationClientService>());
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}
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public async Task<string> TryRefreshToken()
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{
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var authState = await _authenticationStateProvider.Value.GetAuthenticationStateAsync();
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var user = authState.User;
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if (user?.Identity == null || !user.Identity.IsAuthenticated)
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{
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return string.Empty;
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}
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var expClaim = user.FindFirst(c => c.Type.Equals("exp"))?.Value;
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if (string.IsNullOrEmpty(expClaim))
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{
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return string.Empty;
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}
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var expTime = DateTimeOffset.FromUnixTimeSeconds(
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Convert.ToInt64(expClaim));
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var diff = expTime - DateTime.UtcNow;
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if (diff.TotalMinutes <= 2)
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return await _authenticationClientService.Value.RefreshTokenAsync();
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return string.Empty;
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}
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}
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}
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