45 lines
2.2 KiB
C#
45 lines
2.2 KiB
C#
using PostFundManagement.Domain.Configuration.Security;
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using PostFundManagement.Domain.Errors;
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using PostFundManagement.Domain.Models.Security;
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using PostFundManagement.Infrastructure.Security;
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namespace PostFundManagement.Application.Services.Shared;
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public sealed class TokenService(ISecurityConnectApi connectApi, IOptions<SecurityClientSettings> clientOptions)
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{
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private readonly SecurityClientSettings clientSettings = clientOptions.Value;
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public async Task<Result<Domain.Models.Security.TokenResponse>> GenerateAsync(CancellationToken cancellationToken = default) =>
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await Result.Try((Func<Task<Result<Domain.Models.Security.TokenResponse>>>)(async () =>
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{
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using var response = await connectApi.GetToken(new Domain.Models.Security.TokenRequest
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{
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ClientId = clientSettings.ClientId,
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ClientSecret = clientSettings.ClientSecret,
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GrantType = clientSettings.GrantType,
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Scope = clientSettings.Scope,
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}, cancellationToken);
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var contentRaw = await response.Content.ReadAsStringAsync(cancellationToken);
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if (string.IsNullOrWhiteSpace(contentRaw))
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return Result.Fail(ValidationError.Create($"The authentication endpoint returned an empty payload. Status code: {response.StatusCode}"));
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if (response.IsSuccessStatusCode)
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{
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var tokenResponse = JsonSerializer.Deserialize<Domain.Models.Security.TokenResponse>(contentRaw);
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return Result.FailIf(string.IsNullOrWhiteSpace(tokenResponse?.AccessToken),
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NotFoundError.Create("Authentication succeeded, but no access token was found in the response payload."))
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.ToResult(tokenResponse!);
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}
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return await Result.Try((Func<Task<Result<Domain.Models.Security.TokenResponse>>>)(async () =>
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{
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var errorResult = JsonSerializer.Deserialize<TokenErrorResponse>(contentRaw);
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return Result.OkIf(errorResult is not null,
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CreateError.Create($"{errorResult!.Error}: {errorResult.ErrorDescription}"));
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}));
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}));
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} |