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