77 lines
1.7 KiB
C#
77 lines
1.7 KiB
C#
using Microsoft.AspNetCore.Http;
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using System.Globalization;
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using System.Security.Claims;
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namespace StoreHub.Framework.Security;
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/// <summary>
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/// 从 <see cref="IHttpContextAccessor"/> 读取当前请求认证票据的默认实现。
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/// </summary>
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public class CurrentUser : ICurrentUser
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{
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private readonly IHttpContextAccessor _httpContextAccessor;
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public CurrentUser(IHttpContextAccessor httpContextAccessor)
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{
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_httpContextAccessor = httpContextAccessor;
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}
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/// <summary>
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/// 当前请求的 <see cref="ClaimsPrincipal"/>
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/// </summary>
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private ClaimsPrincipal? Principal => _httpContextAccessor.HttpContext?.User;
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/// <inheritdoc />
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public bool IsAuthenticated => Principal?.Identity?.IsAuthenticated == true;
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/// <inheritdoc />
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public int? Id
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{
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get
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{
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string? value = GetClaimValue(JwtClaimTypes.UserId);
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return int.TryParse(value, NumberStyles.Integer, CultureInfo.InvariantCulture, out int id) ? id : null;
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}
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}
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/// <inheritdoc />
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public string? UserName => GetClaimValue(JwtClaimTypes.UserName);
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/// <inheritdoc />
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public string? NickName => GetClaimValue(JwtClaimTypes.NickName);
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/// <inheritdoc />
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public IEnumerable<Claim> Claims => Principal?.Claims ?? [];
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/// <inheritdoc />
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public string? GetClaimValue(string claimType)
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{
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if (string.IsNullOrWhiteSpace(claimType))
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{
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return null;
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}
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return Principal?.FindFirst(claimType)?.Value;
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}
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/// <inheritdoc />
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public T? GetClaimValue<T>(string claimType)
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{
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string? value = GetClaimValue(claimType);
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if (value is null)
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{
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return default;
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}
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try
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{
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return (T)Convert.ChangeType(value, typeof(T), CultureInfo.InvariantCulture);
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}
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catch
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{
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return default;
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}
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}
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}
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