94 lines
2.9 KiB
C#
94 lines
2.9 KiB
C#
// 大名科技（天津）有限公司版权所有 电话：18020030720 QQ：515096995
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//
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// 此源代码遵循位于源代码树根目录中的 LICENSE 文件的许可证
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using System.Security.Claims;
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namespace Admin.NET.Core.Service;
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/// <summary>
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/// 权限验证
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/// </summary>
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public class IdentityService : ITransient
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{
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private readonly IHttpContextAccessor _context;
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private readonly List<APIJSON_Role> _roles;
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public IdentityService(IHttpContextAccessor context, IOptions<APIJSONOptions> roles)
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{
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_context = context ?? throw new ArgumentNullException(nameof(context));
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_roles = roles.Value.Roles;
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}
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/// <summary>
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/// 获取当前用户Id
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/// </summary>
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/// <returns></returns>
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public string GetUserIdentity()
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{
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return _context.HttpContext.User.FindFirstValue(ClaimTypes.NameIdentifier);
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}
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/// <summary>
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/// 获取当前用户权限名称
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/// </summary>
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/// <returns></returns>
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public string GetUserRoleName()
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{
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return _context.HttpContext.User.FindFirstValue(ClaimTypes.Role);
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}
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/// <summary>
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/// 获取当前用户权限
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/// </summary>
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/// <returns></returns>
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public APIJSON_Role GetRole()
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{
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var role = string.IsNullOrEmpty(GetUserRoleName())
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? _roles.FirstOrDefault()
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: _roles.FirstOrDefault(it => it.RoleName.Equals(GetUserRoleName(), StringComparison.CurrentCultureIgnoreCase));
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return role;
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}
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/// <summary>
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/// 获取当前表的可查询字段
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/// </summary>
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/// <param name="table"></param>
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/// <returns></returns>
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public (bool, string) GetSelectRole(string table)
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{
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var role = GetRole();
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if (role == null || role.Select == null || role.Select.Table == null)
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return (false, $"appsettings.json权限配置不正确！");
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var tablerole = role.Select.Table.FirstOrDefault(it => it == "*" || it.Equals(table, StringComparison.CurrentCultureIgnoreCase));
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if (string.IsNullOrEmpty(tablerole))
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return (false, $"表名{table}没权限查询！");
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var index = Array.IndexOf(role.Select.Table, tablerole);
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var selectrole = role.Select.Column[index];
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return (true, selectrole);
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}
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/// <summary>
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/// 当前列是否在角色里面
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/// </summary>
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/// <param name="col"></param>
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/// <param name="selectrole"></param>
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/// <returns></returns>
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public bool ColIsRole(string col, string[] selectrole)
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{
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if (selectrole.Contains("*")) return true;
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if (col.Contains('(') && col.Contains(')'))
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{
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var reg = new Regex(@"\(([^)]*)\)");
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var match = reg.Match(col);
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return selectrole.Contains(match.Result("$1"), StringComparer.CurrentCultureIgnoreCase);
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}
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else
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{
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return selectrole.Contains(col, StringComparer.CurrentCultureIgnoreCase);
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}
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}
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} |