Files
FrontOffice/src/FrontOffice.Main/Shared/AuthDialog.razor.cs

443 lines
15 KiB
C#

using Blazored.LocalStorage;
using FrontOffice.BFF.User.Protobuf.Protos.User;
using FrontOffice.BFF.User.Protobuf.Validator;
using FrontOffice.Main.Utilities;
using Grpc.Core;
using Microsoft.AspNetCore.Components;
using MudBlazor;
using MetadataAlias = Grpc.Core.Metadata; // resolve ambiguity with MudBlazor.Metadata
namespace FrontOffice.Main.Shared;
public partial class AuthDialog : IDisposable
{
[Parameter] public bool HideCancelButton { get; set; }
// [Parameter] public bool EnableCaptcha { get; set; }
[Parameter] public bool InlineMode { get; set; }
public enum AuthStep { Phone, Verify }
private const int DefaultResendCooldown = 120;
public const int MaxVerificationAttempts = 5;
private const string PhoneStorageKey = "auth:phone-number";
private const string RedirectStorageKey = "auth:redirect";
private const string TokenStorageKey = "auth:token";
private const string OtpPurpose = "Login";
public AuthStep _currentStep = AuthStep.Phone;
private readonly CreateNewOtpTokenRequestValidator _phoneRequestValidator = new();
private readonly CreateNewOtpTokenRequest _phoneRequest = new();
private MudForm? _phoneForm;
private readonly VerifyOtpTokenRequestValidator _verifyRequestValidator = new();
private readonly VerifyOtpTokenRequest _verifyRequest = new();
private MudForm? _verifyForm;
private bool _isBusy;
private string? _phoneNumber;
private string? _errorMessage;
private string? _infoMessage;
private Timer? _resendTimer;
private int _resendRemaining;
private int _attemptsLeft = MaxVerificationAttempts;
private CancellationTokenSource? _operationCts;
// Captcha fields
private string? _captchaCode;
private string? _captchaInput;
[Inject] private ILocalStorageService LocalStorage { get; set; } = default!;
[Inject] private UserContract.UserContractClient UserClient { get; set; } = default!;
[CascadingParameter]
private IMudDialogInstance MudDialog { get; set; }
[Parameter] public EventCallback OnLoginSuccess { get; set; }
private bool IsVerificationLocked => _attemptsLeft <= 0;
protected override async Task OnInitializedAsync()
{
_phoneRequest.Purpose = OtpPurpose;
_verifyRequest.Purpose = OtpPurpose;
// if (EnableCaptcha)
// {
GenerateCaptcha();
// }
var storedPhone = await LocalStorage.GetItemAsync<string>(PhoneStorageKey);
if (!string.IsNullOrWhiteSpace(storedPhone))
{
_phoneRequest.Mobile = storedPhone;
}
// await LocalStorage.RemoveItemAsync(TokenStorageKey);
}
private void GenerateCaptcha()
{
_captchaCode = Guid.NewGuid().ToString("N")[..6].ToUpperInvariant();
_captchaInput = string.Empty;
}
public async Task SendOtpAsync()
{
_errorMessage = null;
if (_phoneForm is null)
return;
await _phoneForm.Validate();
if (!_phoneForm.IsValid)
return;
// if (EnableCaptcha)
// {
if (string.IsNullOrWhiteSpace(_captchaInput) || !string.Equals(_captchaInput.Trim(), _captchaCode, StringComparison.OrdinalIgnoreCase))
{
_errorMessage = "کد کپچا صحیح نیست.";
return;
}
// }
_isBusy = true;
_operationCts?.Cancel();
_operationCts?.Dispose();
_operationCts = new CancellationTokenSource();
try
{
var validationResult = _phoneRequestValidator.Validate(_phoneRequest);
if (!validationResult.IsValid)
{
_errorMessage = string.Join(" ", validationResult.Errors.Select(e => e.ErrorMessage).Distinct());
return;
}
var metadata = await BuildAuthMetadataAsync();
CreateNewOtpTokenResponse response = metadata is not null
? await UserClient.CreateNewOtpTokenAsync(_phoneRequest, metadata, cancellationToken: _operationCts.Token)
: await UserClient.CreateNewOtpTokenAsync(_phoneRequest, cancellationToken: _operationCts.Token);
if (response?.Success != true)
{
_errorMessage = string.IsNullOrWhiteSpace(response?.Message)
? "ارسال رمز پویا با خطا مواجه شد. لطفاً دوباره تلاش کنید."
: response!.Message;
return;
}
await LocalStorage.SetItemAsync(PhoneStorageKey, _phoneRequest.Mobile);
_phoneNumber = _phoneRequest.Mobile;
_currentStep = AuthStep.Verify;
StartResendCountdown();
}
catch (RpcException rpcEx)
{
_errorMessage = !string.IsNullOrWhiteSpace(rpcEx.Status.Detail)
? rpcEx.Status.Detail
: "ارسال رمز پویا با خطا مواجه شد. لطفاً دوباره تلاش کنید.";
}
catch (OperationCanceledException)
{
// ignored - user canceled operation
}
catch (Exception ex)
{
_errorMessage = ex.Message;
}
finally
{
_isBusy = false;
ClearOperationToken();
await InvokeAsync(StateHasChanged);
}
}
public async Task<bool> VerifyOtpAsync()
{
_errorMessage = null;
_infoMessage = null;
if (_verifyForm is null)
return false;
await _verifyForm.Validate();
if (!_verifyForm.IsValid)
return false;
if (IsVerificationLocked)
{
_errorMessage = "تعداد تلاش‌های مجاز به پایان رسیده است. لطفاً رمز جدید دریافت کنید.";
return false;
}
if (string.IsNullOrWhiteSpace(_phoneNumber))
{
_errorMessage = "شماره موبایل یافت نشد. لطفاً دوباره تلاش کنید.";
return false;
}
_isBusy = true;
var cancellationToken = PrepareOperationToken();
try
{
_verifyRequest.Mobile = _phoneNumber;
var storedReferralCode = await LocalStorage.GetItemAsync<string>("referral:code");
if (!string.IsNullOrWhiteSpace(storedReferralCode))
{
_verifyRequest.ParentReferralCode = storedReferralCode;
}
var validationResult = _verifyRequestValidator.Validate(_verifyRequest);
if (!validationResult.IsValid)
{
_errorMessage = string.Join(" ", validationResult.Errors.Select(e => e.ErrorMessage).Distinct());
return false;
}
var metadata = await BuildAuthMetadataAsync();
VerifyOtpTokenResponse response = metadata is not null
? await UserClient.VerifyOtpTokenAsync(_verifyRequest, metadata, cancellationToken: cancellationToken)
: await UserClient.VerifyOtpTokenAsync(_verifyRequest, cancellationToken: cancellationToken);
if (response is null)
{
_errorMessage = "تأیید رمز پویا انجام نشد. لطفاً دوباره تلاش کنید.";
return false;
}
if (response.Success)
{
if (!string.IsNullOrWhiteSpace(response.Token))
{
await LocalStorage.SetItemAsync(TokenStorageKey, response.Token);
}
else
{
await LocalStorage.RemoveItemAsync(TokenStorageKey);
}
await LocalStorage.RemoveItemAsync(PhoneStorageKey);
await LocalStorage.RemoveItemAsync(RedirectStorageKey);
await LocalStorage.RemoveItemAsync("referral:code");
_attemptsLeft = MaxVerificationAttempts;
_verifyRequest.Code = string.Empty;
if (!InlineMode)
{
MudDialog?.Close();
}
await OnLoginSuccess.InvokeAsync();
// await OnLoginSuccessAsync();
return true;
}
RegisterFailedAttempt(string.IsNullOrWhiteSpace(response.Message) ? "کد نادرست است." : response.Message);
}
catch (RpcException rpcEx)
{
await HandleVerificationFailureAsync(rpcEx);
}
catch (OperationCanceledException)
{
// ignored - user canceled operation
}
catch (Exception ex)
{
_errorMessage = ex.Message;
}
finally
{
_isBusy = false;
ClearOperationToken();
await InvokeAsync(StateHasChanged);
}
return false;
}
private async Task HandleVerificationFailureAsync(RpcException rpcEx)
{
switch (rpcEx.Status.StatusCode)
{
case StatusCode.PermissionDenied:
case StatusCode.InvalidArgument:
RegisterFailedAttempt(!string.IsNullOrWhiteSpace(rpcEx.Status.Detail)
? rpcEx.Status.Detail
: "کد نادرست است.");
break;
case StatusCode.Unauthenticated:
await ResetAuthenticationAsync();
_errorMessage = "نشست کاربری منقضی شده است. لطفاً دوباره وارد شوید.";
_currentStep = AuthStep.Phone;
break;
case StatusCode.DeadlineExceeded:
case StatusCode.NotFound:
_errorMessage = "کد منقضی شده است. لطفاً رمز جدید دریافت کنید.";
break;
default:
_errorMessage = !string.IsNullOrWhiteSpace(rpcEx.Status.Detail)
? rpcEx.Status.Detail
: "تأیید رمز پویا انجام نشد. لطفاً دوباره تلاش کنید.";
break;
}
}
private void RegisterFailedAttempt(string baseMessage)
{
_attemptsLeft = Math.Max(0, _attemptsLeft - 1);
_errorMessage = _attemptsLeft > 0
? $"{baseMessage} {_attemptsLeft} تلاش باقی مانده است."
: $"{baseMessage} تلاش‌های مجاز شما به پایان رسیده است. لطفاً رمز جدید دریافت کنید.";
}
private async Task ResendOtpAsync()
{
if (_resendRemaining > 0 || _isBusy || string.IsNullOrWhiteSpace(_phoneNumber))
return;
_errorMessage = null;
_infoMessage = null;
_isBusy = true;
var cancellationToken = PrepareOperationToken();
try
{
var request = new CreateNewOtpTokenRequest { Mobile = _phoneNumber, Purpose = OtpPurpose };
var metadata = await BuildAuthMetadataAsync();
CreateNewOtpTokenResponse response = metadata is not null
? await UserClient.CreateNewOtpTokenAsync(request, metadata, cancellationToken: cancellationToken)
: await UserClient.CreateNewOtpTokenAsync(request, cancellationToken: cancellationToken);
if (response?.Success != true)
{
_errorMessage = string.IsNullOrWhiteSpace(response?.Message)
? "ارسال مجدد رمز پویا با خطا مواجه شد."
: response!.Message;
return;
}
_infoMessage = string.IsNullOrWhiteSpace(response.Message) ? "کد جدید ارسال شد." : response.Message;
_attemptsLeft = MaxVerificationAttempts;
_verifyRequest.Code = string.Empty;
StartResendCountdown();
}
catch (RpcException rpcEx)
{
await HandleResendFailureAsync(rpcEx);
}
catch (OperationCanceledException)
{
// ignored
}
catch (Exception ex)
{
_errorMessage = ex.Message;
}
finally
{
_isBusy = false;
ClearOperationToken();
await InvokeAsync(StateHasChanged);
}
}
private async Task HandleResendFailureAsync(RpcException rpcEx)
{
switch (rpcEx.Status.StatusCode)
{
case StatusCode.Unauthenticated:
await ResetAuthenticationAsync();
_errorMessage = "نشست کاربری منقضی شده است. لطفاً دوباره وارد شوید.";
_currentStep = AuthStep.Phone;
break;
default:
_errorMessage = !string.IsNullOrWhiteSpace(rpcEx.Status.Detail)
? rpcEx.Status.Detail
: "ارسال مجدد رمز پویا با خطا مواجه شد.";
break;
}
}
private async Task ChangePhoneAsync()
{
await LocalStorage.RemoveItemAsync(PhoneStorageKey);
_currentStep = AuthStep.Phone;
_phoneNumber = null;
_verifyRequest.Code = string.Empty;
_attemptsLeft = MaxVerificationAttempts;
_resendTimer?.Dispose();
_resendTimer = null;
_resendRemaining = 0;
// if (EnableCaptcha)
GenerateCaptcha();
}
private void StartResendCountdown(int seconds = DefaultResendCooldown)
{
_resendRemaining = seconds;
_resendTimer?.Dispose();
_resendTimer = new Timer(_ =>
{
var remaining = Interlocked.Add(ref _resendRemaining, -1);
if (remaining <= 0)
{
Interlocked.Exchange(ref _resendRemaining, 0);
_resendTimer?.Dispose();
_resendTimer = null;
}
_ = InvokeAsync(StateHasChanged);
}, null, 1000, 1000);
}
private async Task<MetadataAlias?> BuildAuthMetadataAsync()
{
var token = await LocalStorage.GetItemAsync<string>(TokenStorageKey);
if (string.IsNullOrWhiteSpace(token)) return null;
return new MetadataAlias { { "Authorization", $"Bearer {token}" } };
}
private async Task ResetAuthenticationAsync()
{
await LocalStorage.RemoveItemAsync(TokenStorageKey);
await LocalStorage.RemoveItemAsync(PhoneStorageKey);
await LocalStorage.RemoveItemAsync(RedirectStorageKey);
}
private CancellationToken PrepareOperationToken()
{
_operationCts?.Cancel();
_operationCts?.Dispose();
_operationCts = new CancellationTokenSource();
return _operationCts.Token;
}
private void ClearOperationToken()
{
_operationCts?.Dispose();
_operationCts = null;
}
private void Cancel()
{
if (!InlineMode)
MudDialog?.Close();
}
public void Dispose()
{
_operationCts?.Cancel();
_operationCts?.Dispose();
_operationCts = null;
_resendTimer?.Dispose();
_resendTimer = null;
}
private string GetDialogTitle() => _currentStep == AuthStep.Phone ? "ورود/ثبت‌نام به حساب کاربری" : "تأیید رمز پویا";
}