107 lines
3.6 KiB
C#
107 lines
3.6 KiB
C#
using Microsoft.Extensions.Options;
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using Microsoft.IdentityModel.Tokens;
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using System;
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using System.Collections.Generic;
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using System.IdentityModel.Tokens.Jwt;
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using System.Linq;
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using System.Security.Claims;
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using System.Text;
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using System.Threading.Tasks;
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using Volo.Abp.DependencyInjection;
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namespace Syc.Authorize.JwtBearer
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{
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[Dependency(Microsoft.Extensions.DependencyInjection.ServiceLifetime.Transient)]
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public class JwtTokenService : IJwtTokenService
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{
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private JwtBearerAuthenticationOptions JwtSetting { get; set; }
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private JwtSecurityTokenHandler JwtSecurityTokenHandler { get; set; }
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public JwtTokenService(IOptions<JwtBearerAuthenticationOptions> options)
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{
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JwtSetting = options.Value;
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JwtSecurityTokenHandler = new JwtSecurityTokenHandler();
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}
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/// <summary>
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/// 生成 token
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/// </summary>
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/// <param name="obj"></param>
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/// <param name="jwtSetting"></param>
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/// <returns></returns>
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public string GenerateToken(object obj, JwtBearerAuthenticationOptions jwtSetting = null)
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{
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jwtSetting = jwtSetting ?? JwtSetting;
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var dics = GetPropertieValues(obj);
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//组装claims
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var claims = dics.Where(e => e.Value is not null).Select(x => new Claim(x.Key, x.Value?.ToString())).ToList();
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var key = new SymmetricSecurityKey(Encoding.UTF8.GetBytes(jwtSetting.SecurityKey));
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var credentials = new SigningCredentials(key, string.IsNullOrWhiteSpace(jwtSetting.Algorithms) ? SecurityAlgorithms.HmacSha256 : jwtSetting.Algorithms);
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var jwtSecurityToken = new JwtSecurityToken(jwtSetting.Issuer, jwtSetting.Audience, claims, null, DateTime.Now.AddMinutes(jwtSetting.ExpiredTime), credentials);
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return JwtSecurityTokenHandler.WriteToken(jwtSecurityToken);
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}
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/// <summary>
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/// 获取对象属性键值对
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/// </summary>
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/// <param name="obj"></param>
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/// <returns></returns>
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public IDictionary<string, object> GetPropertieValues(object obj)
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{
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var t = obj.GetType();
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var props = t.GetProperties();
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IDictionary<string, object> dics = new Dictionary<string, object>();
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if (props is not null && props.Any())
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foreach (var prop in props)
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{
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dics.Add(prop.Name, prop.GetValue(obj));
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}
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return dics;
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}
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/// <summary>
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/// get claims by token
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/// </summary>
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/// <param name="token"></param>
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/// <returns></returns>
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public IEnumerable<Claim> GetClaims(string token)
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{
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var tokenHandler = new JwtSecurityTokenHandler();
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return tokenHandler.ReadJwtToken(token)?.Claims;
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}
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/// <summary>
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/// 手动验证token
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/// </summary>
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/// <param name="token"></param>
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/// <returns></returns>
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public bool ValidateToken(string token, TokenValidationParameters tokenValidationParameters = null)
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{
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tokenValidationParameters = tokenValidationParameters ?? JwtSetting.TokenValidationParameters;
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SecurityToken validatedToken = null;
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try
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{
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JwtSecurityTokenHandler.ValidateToken(token, tokenValidationParameters, out validatedToken);
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}
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catch (SecurityTokenException stexp)
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{
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return false;
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}
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catch (Exception e)
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{
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return false;
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}
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return validatedToken != null;
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}
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}
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}
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