| package com.genersoft.iot.vmp.conf.security; | 
|   | 
| import com.genersoft.iot.vmp.conf.security.dto.JwtUser; | 
| import org.jose4j.json.JsonUtil; | 
| import org.jose4j.jwk.RsaJsonWebKey; | 
| import org.jose4j.jws.AlgorithmIdentifiers; | 
| import org.jose4j.jws.JsonWebSignature; | 
| import org.jose4j.jwt.JwtClaims; | 
| import org.jose4j.jwt.NumericDate; | 
| import org.jose4j.jwt.consumer.ErrorCodes; | 
| import org.jose4j.jwt.consumer.InvalidJwtException; | 
| import org.jose4j.jwt.consumer.JwtConsumer; | 
| import org.jose4j.jwt.consumer.JwtConsumerBuilder; | 
| import org.jose4j.lang.JoseException; | 
| import org.slf4j.Logger; | 
| import org.slf4j.LoggerFactory; | 
|   | 
| import java.security.PrivateKey; | 
| import java.time.LocalDateTime; | 
| import java.time.ZoneOffset; | 
|   | 
| public class JwtUtils { | 
|   | 
|     private static final Logger logger = LoggerFactory.getLogger(JwtUtils.class); | 
|   | 
|     private static final String HEADER = "access-token"; | 
|     private static final String AUDIENCE = "Audience"; | 
|   | 
|     private static final long EXPIRED_THRESHOLD = 10 * 60; | 
|   | 
|     private static final String keyId = "3e79646c4dbc408383a9eed09f2b85ae"; | 
|     private static final String privateKeyStr = "{\"kty\":\"RSA\",\"kid\":\"3e79646c4dbc408383a9eed09f2b85ae\",\"alg\":\"RS256\",\"n\":\"gndmVdiOTSJ5et2HIeTM5f1m61x5ojLUi5HDfvr-jRrESQ5kbKuySGHVwR4QhwinpY1wQqBnwc80tx7cb_6SSqsTOoGln6T_l3k2Pb54ClVnGWiW_u1kmX78V2TZOsVmZmwtdZCMi-2zWIyAdIEXE-gncIehoAgEoq2VAhaCURbJWro_EwzzQwNmCTkDodLAx4npXRd_qSu0Ayp0txym9OFovBXBULRvk4DPiy3i_bPUmCDxzC46pTtFOe9p82uybTehZfULZtXXqRm85FL9n5zkrsTllPNAyEGhgb0RK9sE5nK1m_wNNysDyfLC4EFf1VXTrKm14XNVjc2vqLb7Mw\",\"e\":\"AQAB\",\"d\":\"ed7U_k3rJ4yTk70JtRSIfjKGiEb67BO1TabcymnljKO7RU8nage84zZYuSu_XpQsHk6P1f0Gzxkicghm_Er-FrfVn2pp70Xu52z3yRd6BJUgWLDFk97ngScIyw5OiULKU9SrZk2frDpftNCSUcIgb50F8m0QAnBa_CdPsQKbuuhLv8V8tBAV7F_lAwvSBgu56wRo3hPz5dWH8YeXM7XBfQ9viFMNEKd21sP_j5C7ueUnXT66nBxe3ZJEU3iuMYM6D6dB_KW2GfZC6WmTgvGhhxJD0h7aYmfjkD99MDleB7SkpbvoODOqiQ5Epb7Nyh6kv5u4KUv2CJYtATLZkUeMkQ\",\"p\":\"uBUjWPWtlGksmOqsqCNWksfqJvMcnP_8TDYN7e4-WnHL4N-9HjRuPDnp6kHvCIEi9SEfxm7gNxlRcWegvNQr3IZCz7TnCTexXc5NOklB9OavWFla6u-s3Thn6Tz45-EUjpJr0VJMxhO-KxGmuTwUXBBp4vN6K2qV6rQNFmgkWzk\",\"q\":\"tW_i7cCec56bHkhITL_79dXHz_PLC_f7xlynmlZJGU_d6mqOKmLBNBbTMLnYW8uAFiFzWxDeDHh1o5uF0mSQR-Z1Fg35OftnpbWpy0Cbc2la5WgXQjOwtG1eLYIY2BD3-wQ1VYDBCvowr4FDi-sngxwLqvwmrJ0xjhi99O-Gzcs\",\"dp\":\"q1d5jE85Hz_6M-eTh_lEluEf0NtPEc-vvhw-QO4V-cecNpbrCBdTWBmr4dE3NdpFeJc5ZVFEv-SACyei1MBEh0ItI_pFZi4BmMfy2ELh8ptaMMkTOESYyVy8U7veDq9RnBcr5i1Nqr0rsBkA77-9T6gzdvycBZdzLYAkAmwzEvk\",\"dq\":\"q29A2K08Crs-jmp2Bi8Q_8QzvIX6wSBbwZ4ir24AO-5_HNP56IrPS0yV2GCB0pqCOGb6_Hz_koDvhtuYoqdqvMVAtMoXR3YJBUaVXPt65p4RyNmFwIPe31zHs_BNUTsXVRMw4c16mci03-Af1sEm4HdLfxAp6sfM3xr5wcnhcek\",\"qi\":\"rHPgVTyHUHuYzcxfouyBfb1XAY8nshwn0ddo81o1BccD4Z7zo5It6SefDHjxCAbcmbiCcXBSooLcY-NF5FMv3fg19UE21VyLQltHcVjRRp2tRs4OHcM8yaXIU2x6N6Z6BP2tOksHb9MOBY1wAQzFOAKg_G4Sxev6-_6ud6RISuc\"}"; | 
|     private static final String publicKeyStr = "{\"kty\":\"RSA\",\"kid\":\"3e79646c4dbc408383a9eed09f2b85ae\",\"alg\":\"RS256\",\"n\":\"gndmVdiOTSJ5et2HIeTM5f1m61x5ojLUi5HDfvr-jRrESQ5kbKuySGHVwR4QhwinpY1wQqBnwc80tx7cb_6SSqsTOoGln6T_l3k2Pb54ClVnGWiW_u1kmX78V2TZOsVmZmwtdZCMi-2zWIyAdIEXE-gncIehoAgEoq2VAhaCURbJWro_EwzzQwNmCTkDodLAx4npXRd_qSu0Ayp0txym9OFovBXBULRvk4DPiy3i_bPUmCDxzC46pTtFOe9p82uybTehZfULZtXXqRm85FL9n5zkrsTllPNAyEGhgb0RK9sE5nK1m_wNNysDyfLC4EFf1VXTrKm14XNVjc2vqLb7Mw\",\"e\":\"AQAB\"}"; | 
|   | 
|     /** | 
|      * token过期时间(分钟) | 
|      */ | 
|     public static final long expirationTime = 30; | 
|   | 
|     public static String createToken(String username, String password, Integer roleId) { | 
|         try { | 
|             /** | 
|              * “iss” (issuer)  发行人 | 
|              * | 
|              * “sub” (subject)  主题 | 
|              * | 
|              * “aud” (audience) 接收方 用户 | 
|              * | 
|              * “exp” (expiration time) 到期时间 | 
|              * | 
|              * “nbf” (not before)  在此之前不可用 | 
|              * | 
|              * “iat” (issued at)  jwt的签发时间 | 
|              */ | 
|             //Payload | 
|             JwtClaims claims = new JwtClaims(); | 
|             claims.setGeneratedJwtId(); | 
|             claims.setIssuedAtToNow(); | 
|             // 令牌将过期的时间 分钟 | 
|             claims.setExpirationTimeMinutesInTheFuture(expirationTime); | 
|             claims.setNotBeforeMinutesInThePast(0); | 
|             claims.setSubject("login"); | 
|             claims.setAudience(AUDIENCE); | 
|             //添加自定义参数,必须是字符串类型 | 
|             claims.setClaim("username", username); | 
|             claims.setClaim("password", password); | 
|             claims.setClaim("roleId", roleId); | 
|   | 
|             //jws | 
|             JsonWebSignature jws = new JsonWebSignature(); | 
|             //签名算法RS256 | 
|             jws.setAlgorithmHeaderValue(AlgorithmIdentifiers.RSA_USING_SHA256); | 
|             jws.setKeyIdHeaderValue(keyId); | 
|             jws.setPayload(claims.toJson()); | 
|   | 
|             PrivateKey privateKey = new RsaJsonWebKey(JsonUtil.parseJson(privateKeyStr)).getPrivateKey(); | 
|             jws.setKey(privateKey); | 
|   | 
|             //get token | 
|             String idToken = jws.getCompactSerialization(); | 
|             return idToken; | 
|         } catch (JoseException e) { | 
|             logger.error("[Token生成失败]: {}", e.getMessage()); | 
|         } | 
|   | 
|         return null; | 
|     } | 
|   | 
|     public static String getHeader() { | 
|         return HEADER; | 
|     } | 
|   | 
|   | 
|     public static JwtUser verifyToken(String token) { | 
|   | 
|         JwtUser jwtUser = new JwtUser(); | 
|   | 
|         try { | 
|             JwtConsumer consumer = new JwtConsumerBuilder() | 
|                     .setRequireExpirationTime() | 
|                     .setMaxFutureValidityInMinutes(5256000) | 
|                     .setAllowedClockSkewInSeconds(30) | 
|                     .setRequireSubject() | 
|                     //.setExpectedIssuer("") | 
|                     .setExpectedAudience(AUDIENCE) | 
|                     .setVerificationKey(new RsaJsonWebKey(JsonUtil.parseJson(publicKeyStr)).getPublicKey()) | 
|                     .build(); | 
|   | 
|             JwtClaims claims = consumer.processToClaims(token); | 
|             NumericDate expirationTime = claims.getExpirationTime(); | 
|             // 判断是否即将过期, 默认剩余时间小于5分钟未即将过期 | 
|             // 剩余时间 (秒) | 
|             long timeRemaining = LocalDateTime.now().toEpochSecond(ZoneOffset.ofHours(8)) - expirationTime.getValue(); | 
|             if (timeRemaining < 5 * 60) { | 
|                 jwtUser.setStatus(JwtUser.TokenStatus.EXPIRING_SOON); | 
|             }else { | 
|                 jwtUser.setStatus(JwtUser.TokenStatus.NORMAL); | 
|             } | 
|   | 
|             String username = (String) claims.getClaimValue("username"); | 
|             String password = (String) claims.getClaimValue("password"); | 
|             Long roleId = (Long) claims.getClaimValue("roleId"); | 
|             jwtUser.setUserName(username); | 
|             jwtUser.setPassword(password); | 
|             jwtUser.setRoleId(roleId.intValue()); | 
|   | 
|             return jwtUser; | 
|         } catch (InvalidJwtException e) { | 
|             if (e.hasErrorCode(ErrorCodes.EXPIRED)) { | 
|                 jwtUser.setStatus(JwtUser.TokenStatus.EXPIRED); | 
|             }else { | 
|                 jwtUser.setStatus(JwtUser.TokenStatus.EXCEPTION); | 
|             } | 
|             return jwtUser; | 
|         }catch (Exception e) { | 
|             logger.error("[Token解析失败]: {}", e.getMessage()); | 
|             jwtUser.setStatus(JwtUser.TokenStatus.EXPIRED); | 
|             return jwtUser; | 
|         } | 
|     } | 
| } |