| 提交 | 用户 | 时间 | ||
| 1ac2bc | 1 | /** |
| 懒 | 2 | * Copyright 2018-2020 stylefeng & fengshuonan (sn93@qq.com) |
| 3 | * <p> | |
| 4 | * Licensed under the Apache License, Version 2.0 (the "License"); | |
| 5 | * you may not use this file except in compliance with the License. | |
| 6 | * You may obtain a copy of the License at | |
| 7 | * <p> | |
| 8 | * http://www.apache.org/licenses/LICENSE-2.0 | |
| 9 | * <p> | |
| 10 | * Unless required by applicable law or agreed to in writing, software | |
| 11 | * distributed under the License is distributed on an "AS IS" BASIS, | |
| 12 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | |
| 13 | * See the License for the specific language governing permissions and | |
| 14 | * limitations under the License. | |
| 15 | */ | |
| 16 | package cn.stylefeng.guns.base.auth.jwt; | |
| 17 | ||
| 18 | import cn.stylefeng.guns.base.auth.jwt.payload.JwtPayLoad; | |
| 19 | import cn.stylefeng.guns.base.consts.ConstantsContext; | |
| 20 | import cn.stylefeng.roses.core.util.ToolUtil; | |
| 21 | import io.jsonwebtoken.*; | |
| 22 | ||
| 23 | import java.util.Date; | |
| 24 | import java.util.Map; | |
| 25 | ||
| 26 | /** | |
| 27 | * <p>jwt token工具类</p> | |
| 28 | * <pre> | |
| 29 | * jwt的claim里一般包含以下几种数据: | |
| 30 | * 1. iss -- token的发行者 | |
| 31 | * 2. sub -- 该JWT所面向的用户 | |
| 32 | * 3. aud -- 接收该JWT的一方 | |
| 33 | * 4. exp -- token的失效时间 | |
| 34 | * 5. nbf -- 在此时间段之前,不会被处理 | |
| 35 | * 6. iat -- jwt发布时间 | |
| 36 | * 7. jti -- jwt唯一标识,防止重复使用 | |
| 37 | * </pre> | |
| 38 | * | |
| 39 | * @author fengshuonan | |
| 40 | * @Date 2017/8/25 10:59 | |
| 41 | */ | |
| 42 | public class JwtTokenUtil { | |
| 43 | ||
| 44 | /** | |
| 45 | * 生成token,根据userId和默认过期时间 | |
| 46 | */ | |
| 47 | public static String generateToken(JwtPayLoad jwtPayLoad) { | |
| 48 | Long expiredSeconds = getExpireSeconds(); | |
| 49 | final Date expirationDate = new Date(System.currentTimeMillis() + expiredSeconds * 1000); | |
| 50 | return generateToken(String.valueOf(jwtPayLoad.getUserId()), expirationDate, jwtPayLoad.toMap()); | |
| 51 | } | |
| 52 | ||
| 53 | /** | |
| 54 | * 获取jwt的payload部分 | |
| 55 | */ | |
| 56 | public static JwtPayLoad getJwtPayLoad(String token) { | |
| 57 | Claims claimFromToken = getClaimFromToken(token); | |
| 58 | return JwtPayLoad.toBean(claimFromToken); | |
| 59 | } | |
| 60 | ||
| 61 | /** | |
| 62 | * 解析token是否正确(true-正确, false-错误) | |
| 63 | */ | |
| 64 | public static Boolean checkToken(String token) { | |
| 65 | try { | |
| 66 | String jwtSecret = getJwtSecret(); | |
| 67 | Jwts.parser().setSigningKey(jwtSecret).parseClaimsJws(token).getBody(); | |
| 68 | return true; | |
| 69 | } catch (JwtException e) { | |
| 70 | return false; | |
| 71 | } | |
| 72 | } | |
| 73 | ||
| 74 | /** | |
| 75 | * 验证token是否失效 | |
| 76 | */ | |
| 77 | public static Boolean isTokenExpired(String token) { | |
| 78 | try { | |
| 79 | final Date expiration = getExpirationDateFromToken(token); | |
| 80 | return expiration.before(new Date()); | |
| 81 | } catch (ExpiredJwtException expiredJwtException) { | |
| 82 | return true; | |
| 83 | } | |
| 84 | } | |
| 85 | ||
| 86 | /** | |
| 87 | * 获取jwt失效时间 | |
| 88 | */ | |
| 89 | public static Date getExpirationDateFromToken(String token) { | |
| 90 | return getClaimFromToken(token).getExpiration(); | |
| 91 | } | |
| 92 | ||
| 93 | /** | |
| 94 | * 生成token,根据userId和过期时间 | |
| 95 | */ | |
| 96 | public static String generateToken(String userId, Date exppiredDate, Map<String, Object> claims) { | |
| 97 | ||
| 98 | final Date createdDate = new Date(); | |
| 99 | String secret = getJwtSecret(); | |
| 100 | ||
| 101 | if (claims == null) { | |
| 102 | return Jwts.builder() | |
| 103 | .setSubject(userId) | |
| 104 | .setIssuedAt(createdDate) | |
| 105 | .setExpiration(exppiredDate) | |
| 106 | .signWith(SignatureAlgorithm.HS512, secret) | |
| 107 | .compact(); | |
| 108 | } else { | |
| 109 | return Jwts.builder() | |
| 110 | .setClaims(claims) | |
| 111 | .setSubject(userId) | |
| 112 | .setIssuedAt(createdDate) | |
| 113 | .setExpiration(exppiredDate) | |
| 114 | .signWith(SignatureAlgorithm.HS512, secret) | |
| 115 | .compact(); | |
| 116 | } | |
| 117 | } | |
| 118 | ||
| 119 | /** | |
| 120 | * 获取jwt的payload部分 | |
| 121 | */ | |
| 122 | public static Claims getClaimFromToken(String token) { | |
| 123 | ||
| 124 | if (ToolUtil.isEmpty(token)) { | |
| 125 | throw new IllegalArgumentException("token参数为空！"); | |
| 126 | } | |
| 127 | ||
| 128 | String jwtSecret = getJwtSecret(); | |
| 129 | return Jwts.parser() | |
| 130 | .setSigningKey(jwtSecret) | |
| 131 | .parseClaimsJws(token) | |
| 132 | .getBody(); | |
| 133 | } | |
| 134 | ||
| 135 | private static String getJwtSecret() { | |
| 136 | return ConstantsContext.getJwtSecret(); | |
| 137 | } | |
| 138 | ||
| 139 | private static Long getExpireSeconds() { | |
| 140 | return ConstantsContext.getJwtSecretExpireSec(); | |
| 141 | } | |
| 142 | } | |
