From 1a1c8e71fcd14858f595029f089b2d4a00202b32 Mon Sep 17 00:00:00 2001
From: ogi <Administrator@S-OGI-PC>
Date: Fri, 05 Dec 2025 09:24:16 +0900
Subject: [PATCH] プロジェクトファイルを追加。
---
HotelPms.Client.Blazor/Util/ApiAuthenticationStateProvider.cs | 102 +++++++++++++++++++++++++++++++++++++++++++++++++++
1 files changed, 102 insertions(+), 0 deletions(-)
diff --git a/HotelPms.Client.Blazor/Util/ApiAuthenticationStateProvider.cs b/HotelPms.Client.Blazor/Util/ApiAuthenticationStateProvider.cs
new file mode 100644
index 0000000..eac2a51
--- /dev/null
+++ b/HotelPms.Client.Blazor/Util/ApiAuthenticationStateProvider.cs
@@ -0,0 +1,102 @@
+using Blazored.LocalStorage;
+using Microsoft.AspNetCore.Components.Authorization;
+using System.Security.Claims;
+using System.Text.Json;
+
+namespace HotelPms.Client.Blazor.Util
+{
+ public class ApiAuthenticationStateProvider : AuthenticationStateProvider
+ {
+ public static string? AccessToken { get; set; }
+
+ private readonly ILocalStorageService _localStorage;
+
+ public ApiAuthenticationStateProvider(ILocalStorageService localStorage)
+ {
+ _localStorage = localStorage;
+ }
+
+ public override async Task<AuthenticationState> GetAuthenticationStateAsync()
+ {
+ var savedToken = await _localStorage.GetItemAsync<string>("authToken");
+ EnvironmentSetting.Debug($"GetAuthenticationStateAsync：{savedToken}");
+
+ if (string.IsNullOrWhiteSpace(savedToken))
+ {
+ return new AuthenticationState(new ClaimsPrincipal(new ClaimsIdentity()));
+ }
+
+ if (string.IsNullOrEmpty(AccessToken))
+ {
+ EnvironmentSetting.Debug($"初次认证");
+ //判断savedToken过期？
+ //return new AuthenticationState(new ClaimsPrincipal(new ClaimsIdentity()));
+ }
+
+ //_httpClient.DefaultRequestHeaders.Authorization = new AuthenticationHeaderValue("bearer", savedToken);
+ AccessToken = savedToken;
+ EnvironmentSetting.Debug($"AccessToken：{AccessToken}");
+
+ return new AuthenticationState(new ClaimsPrincipal(new ClaimsIdentity(ParseClaimsFromJwt(savedToken), "jwt")));
+ }
+
+ public void MarkUserAsAuthenticated(string token)
+ {
+ var authenticatedUser = new ClaimsPrincipal(new ClaimsIdentity(ParseClaimsFromJwt(token), "jwt"));
+ var authState = Task.FromResult(new AuthenticationState(authenticatedUser));
+ NotifyAuthenticationStateChanged(authState);
+ }
+
+ public void MarkUserAsLoggedOut()
+ {
+ var anonymousUser = new ClaimsPrincipal(new ClaimsIdentity());
+ var authState = Task.FromResult(new AuthenticationState(anonymousUser));
+ NotifyAuthenticationStateChanged(authState);
+ }
+
+ private IEnumerable<Claim> ParseClaimsFromJwt(string jwt)
+ {
+ var claims = new List<Claim>();
+ var payload = jwt.Split('.')[1];
+ var jsonBytes = ParseBase64WithoutPadding(payload);
+ var keyValuePairs = JsonSerializer.Deserialize<Dictionary<string, object>>(jsonBytes);
+
+ keyValuePairs.TryGetValue(ClaimTypes.Role, out object roles);
+
+ if (roles != null)
+ {
+ if (roles.ToString().Trim().StartsWith("["))
+ {
+ var parsedRoles = JsonSerializer.Deserialize<string[]>(roles.ToString());
+
+ foreach (var parsedRole in parsedRoles)
+ {
+ EnvironmentSetting.Debug("parsedRole:" + parsedRole);
+ claims.Add(new Claim(ClaimTypes.Role, parsedRole));
+ }
+ }
+ else
+ {
+ EnvironmentSetting.Debug(roles.ToString());
+ claims.Add(new Claim(ClaimTypes.Role, roles.ToString()));
+ }
+
+ keyValuePairs.Remove(ClaimTypes.Role);
+ }
+
+ claims.AddRange(keyValuePairs.Select(kvp => new Claim(kvp.Key, kvp.Value.ToString())));
+
+ return claims;
+ }
+
+ private byte[] ParseBase64WithoutPadding(string base64)
+ {
+ switch (base64.Length % 4)
+ {
+ case 2: base64 += "=="; break;
+ case 3: base64 += "="; break;
+ }
+ return Convert.FromBase64String(base64);
+ }
+ }
+}
--
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