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113
BimAI.UI.Shared/Services/AuthService.cs
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113
BimAI.UI.Shared/Services/AuthService.cs
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using System.Text.Json;
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using Microsoft.JSInterop;
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namespace BimAI.UI.Shared.Services;
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public class UserInfo
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{
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public string FullName { get; set; } = string.Empty;
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public string Email { get; set; } = string.Empty;
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public string AvatarUrl { get; set; } = string.Empty;
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}
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public class AuthService
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{
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private readonly IJSRuntime _jsRuntime;
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private bool? _isAuthenticated;
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private UserInfo? _userInfo = null;
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public event Action<bool>? AuthenticationStateChanged;
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public AuthService(IJSRuntime jsRuntime)
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{
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_jsRuntime = jsRuntime;
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}
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public bool IsAuthenticated => _isAuthenticated ?? false;
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public UserInfo? CurrentUser => _userInfo;
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public async Task<bool> CheckAuthenticationAsync()
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{
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try
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{
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var token = await _jsRuntime.InvokeAsync<string?>("localStorage.getItem", "google_token");
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var userInfoJson = await _jsRuntime.InvokeAsync<string?>("localStorage.getItem", "user_info");
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_isAuthenticated = !string.IsNullOrEmpty(token);
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if (_isAuthenticated.Value && !string.IsNullOrEmpty(userInfoJson))
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{
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_userInfo = JsonSerializer.Deserialize<UserInfo>(userInfoJson);
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}
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Console.WriteLine($"AuthService.CheckAuthentication: token={(!string.IsNullOrEmpty(token) ? "EXISTS" : "NULL")}, isAuth={_isAuthenticated}");
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return _isAuthenticated.Value;
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}
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catch (Exception ex)
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{
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Console.WriteLine($"AuthService.CheckAuthentication ERROR: {ex.Message}");
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_isAuthenticated = false;
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_userInfo = null;
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return false;
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}
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}
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public async Task SetAuthenticationAsync(string token, UserInfo? userInfo = null)
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{
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try
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{
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await _jsRuntime.InvokeVoidAsync("localStorage.setItem", "google_token", token);
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if (userInfo != null)
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{
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_userInfo = userInfo;
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var userInfoJson = JsonSerializer.Serialize(userInfo);
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await _jsRuntime.InvokeVoidAsync("localStorage.setItem", "user_info", userInfoJson);
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}
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_isAuthenticated = true;
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Console.WriteLine($"AuthService.SetAuthentication: token saved, user={_userInfo?.Email}");
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AuthenticationStateChanged?.Invoke(true);
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}
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catch (Exception ex)
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{
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Console.WriteLine($"AuthService.SetAuthentication ERROR: {ex.Message}");
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}
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}
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public async Task ClearAuthenticationAsync()
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{
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try
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{
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await _jsRuntime.InvokeVoidAsync("localStorage.removeItem", "google_token");
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await _jsRuntime.InvokeVoidAsync("localStorage.removeItem", "user_info");
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_isAuthenticated = false;
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_userInfo = null;
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Console.WriteLine($"AuthService.ClearAuthentication: token and user ingfo removed");
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AuthenticationStateChanged?.Invoke(false);
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}
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catch (Exception ex)
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{
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Console.WriteLine($"AuthService.ClearAuthentication ERROR: {ex.Message}");
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}
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}
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public async Task<string?> GetTokenAsync()
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{
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if (_isAuthenticated != true)
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{
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await CheckAuthenticationAsync();
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}
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if (_isAuthenticated != true) return null;
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try
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{
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return await _jsRuntime.InvokeAsync<string?>("localStorage.getItem", "google_token");
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}
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catch
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{
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return null;
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}
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}
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}
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