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Add unit test coverage of Blazor projects.
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,93 @@ | ||
| // Copyright (c) Duende Software. All rights reserved. | ||
| // See LICENSE in the project root for license information. | ||
|
|
||
| using System.Net.Http.Json; | ||
| using System.Security.Claims; | ||
| using Microsoft.Extensions.Logging; | ||
| using Microsoft.Extensions.Options; | ||
|
|
||
| namespace Duende.Bff.Blazor.Client.Internals; | ||
|
|
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| internal class GetUserService : IGetUserService | ||
| { | ||
| private readonly HttpClient _client; | ||
| private readonly IPersistentUserService _persistentUserService; | ||
| private readonly TimeProvider _timeProvider; | ||
| private readonly BffBlazorOptions _options; | ||
| private readonly ILogger<GetUserService> _logger; | ||
|
|
||
| private DateTimeOffset _userLastCheck = DateTimeOffset.MinValue; | ||
| private ClaimsPrincipal _cachedUser = new(new ClaimsIdentity()); | ||
|
|
||
| public GetUserService( | ||
| IHttpClientFactory clientFactory, | ||
| IPersistentUserService persistentUserService, | ||
| TimeProvider timeProvider, | ||
| IOptions<BffBlazorOptions> options, | ||
| ILogger<GetUserService> logger) | ||
| { | ||
| _client = clientFactory.CreateClient(BffClientAuthenticationStateProvider.HttpClientName); | ||
| _persistentUserService = persistentUserService; | ||
| _timeProvider = timeProvider; | ||
| _options = options.Value; | ||
| _logger = logger; | ||
| } | ||
|
|
||
| public void InitializeCache() | ||
| { | ||
| _cachedUser = _persistentUserService.GetPersistedUser(); | ||
| if (_cachedUser.Identity?.IsAuthenticated == true) | ||
| { | ||
| _userLastCheck = _timeProvider.GetUtcNow(); | ||
| } | ||
| } | ||
|
|
||
| public async ValueTask<ClaimsPrincipal> GetUserAsync(bool useCache = true) | ||
| { | ||
| var now = _timeProvider.GetUtcNow(); | ||
| if (useCache && now < _userLastCheck.AddMilliseconds(_options.StateProviderPollingDelay)) | ||
| { | ||
| _logger.LogDebug("Taking user from cache"); | ||
| return _cachedUser; | ||
| } | ||
|
|
||
| _logger.LogDebug("Fetching user"); | ||
| _cachedUser = await FetchUser(); | ||
| _userLastCheck = now; | ||
|
|
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| return _cachedUser; | ||
| } | ||
|
|
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| // TODO - Consider using ClaimLite instead here | ||
| record ClaimRecord(string Type, object Value); | ||
|
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| internal async Task<ClaimsPrincipal> FetchUser() | ||
| { | ||
| try | ||
| { | ||
| _logger.LogInformation("Fetching user information."); | ||
| var claims = await _client.GetFromJsonAsync<List<ClaimRecord>>("bff/user?slide=false"); | ||
|
|
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| var identity = new ClaimsIdentity( | ||
| nameof(BffClientAuthenticationStateProvider), | ||
| "name", | ||
| "role"); | ||
|
|
||
| if (claims != null) | ||
| { | ||
| foreach (var claim in claims) | ||
| { | ||
| identity.AddClaim(new Claim(claim.Type, claim.Value.ToString() ?? "no value")); | ||
| } | ||
| } | ||
|
|
||
| return new ClaimsPrincipal(identity); | ||
| } | ||
| catch (Exception ex) | ||
| { | ||
| _logger.LogWarning(ex, "Fetching user failed."); | ||
| } | ||
|
|
||
| return new ClaimsPrincipal(new ClaimsIdentity()); | ||
| } | ||
| } |
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