92 lines
3.4 KiB
C#
92 lines
3.4 KiB
C#
using System.Security.Claims;
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using FoodsharingSiegen.Contracts;
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using FoodsharingSiegen.Server.Auth;
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using FoodsharingSiegen.Server.Data.Service;
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using FoodsharingSiegen.Shared.Helper;
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using Microsoft.AspNetCore.Components.Authorization;
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namespace FoodsharingSiegen.Server.Service
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{
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/// <summary>
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/// The token auth state provider class (a. beging, 02.04.2022)
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/// </summary>
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/// <seealso cref="AuthenticationStateProvider"/>
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public class TokenAuthStateProvider : AuthenticationStateProvider
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{
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#region Private Fields
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/// <summary> LocalStorageService </summary>
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private readonly LocalStorageService _localStorageService;
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private readonly UserService _userService;
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#endregion
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#region Setup/Teardown
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/// <summary>
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/// Constructor
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/// </summary>
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/// <param name="localStorageService"></param>
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/// <param name="userService"></param>
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public TokenAuthStateProvider(LocalStorageService localStorageService, UserService userService)
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{
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_localStorageService = localStorageService;
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_userService = userService;
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}
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#endregion
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#region Override GetAuthenticationStateAsync
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////////////////////////////////////////////////////////////////////////////////////////////////////
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/// <summary> Get the current authenticationstate </summary>
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/// <remarks> A. Beging, 02.02.2022. </remarks>
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////////////////////////////////////////////////////////////////////////////////////////////////////
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public override async Task<AuthenticationState> GetAuthenticationStateAsync()
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{
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var token = await _localStorageService.GetItem<string>(StorageKeys.TokenKey);
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var tokenValid = AuthHelper.ValidateToken(token, out var user);
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var checkR = await _userService.CheckForceLogout(user);
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if (checkR.Success && checkR.Data)
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tokenValid = false;
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var identity = new ClaimsIdentity();
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if (tokenValid)
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identity = new ClaimsIdentity(new[]
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{
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new Claim(ClaimTypes.Name, "user")
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}, "TODO");
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var claimsPrincipal = new ClaimsPrincipal(identity);
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return new AuthenticationState(claimsPrincipal);
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}
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#endregion
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#region Public Method MarkUserAsAuthenticated
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////////////////////////////////////////////////////////////////////////////////////////////////////
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/// <summary> Mark user as authenticated. </summary>
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/// <remarks> A. Beging, 02.02.2022. </remarks>
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////////////////////////////////////////////////////////////////////////////////////////////////////
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public void MarkUserAsAuthenticated() => NotifyAuthenticationStateChanged(GetAuthenticationStateAsync());
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#endregion
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#region Public Method MarkUserAsLoggedOut
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/// <summary>
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/// Marks the user as logged out (a. beging, 02.04.2022)
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/// </summary>
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public void MarkUserAsLoggedOut()
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{
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var anonymousUser = new ClaimsPrincipal(new ClaimsIdentity());
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var authState = Task.FromResult(new AuthenticationState(anonymousUser));
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NotifyAuthenticationStateChanged(authState);
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}
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#endregion
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}
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} |