com.github.vindell.jwt.token.SignedWithHamcJWTRepository Maven / Gradle / Ivy
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/*
* Copyright (c) 2018, vindell (https://github.com/vindell).
*
* Licensed under the Apache License, Version 2.0 (the "License"); you may not
* use this file except in compliance with the License. You may obtain a copy of
* the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
* License for the specific language governing permissions and limitations under
* the License.
*/
package com.github.vindell.jwt.token;
import java.text.ParseException;
import java.util.Base64;
import java.util.Date;
import java.util.HashMap;
import java.util.Map;
import com.github.vindell.jwt.JwtPayload;
import com.github.vindell.jwt.exception.IncorrectJwtException;
import com.github.vindell.jwt.exception.InvalidJwtToken;
import com.github.vindell.jwt.exception.JwtException;
import com.github.vindell.jwt.time.JwtTimeProvider;
import com.github.vindell.jwt.utils.NimbusdsUtils;
import com.github.vindell.jwt.verifier.ExtendedMACVerifier;
import com.nimbusds.jose.JOSEException;
import com.nimbusds.jose.JWSAlgorithm;
import com.nimbusds.jose.JWSHeader;
import com.nimbusds.jose.JWSSigner;
import com.nimbusds.jose.JWSVerifier;
import com.nimbusds.jose.KeyLengthException;
import com.nimbusds.jose.crypto.MACSigner;
import com.nimbusds.jose.crypto.MACVerifier;
import com.nimbusds.jwt.JWTClaimsSet;
import com.nimbusds.jwt.SignedJWT;
/**
* JSON Web Token (JWT) with HMAC signature
* https://www.connect2id.com/products/nimbus-jose-jwt/examples/jwt-with-hmac
*/
public class SignedWithHamcJWTRepository implements JwtRepository {
private JwtTimeProvider timeProvider = JwtTimeProvider.DEFAULT_TIME_PROVIDER;
/**
* Issue JSON Web Token (JWT)
* @author ：vindell
* @param signingKey : Signing key
* @param jwtId : Jwt Id
* @param subject : Jwt Subject
* @param issuer : Jwt Issuer
* @param audience : Jwt Audience
* @param roles : The Roles
* @param permissions : The Perms
* @param algorithm : Supported algorithms：
* HS256 - HMAC with SHA-256, requires 256+ bit secret
* HS384 - HMAC with SHA-384, requires 384+ bit secret
* HS512 - HMAC with SHA-512, requires 512+ bit secret
* @param period : Jwt Expiration Cycle
* @return JSON Web Token (JWT)
* @throws JwtException When Authentication Exception
*/
@Override
public String issueJwt(String signingKey, String jwtId, String subject, String issuer, String audience,
String roles, String permissions, String algorithm, long period) throws JwtException {
Map claims = new HashMap();
claims.put("roles", roles);
claims.put("perms", permissions);
return this.issueJwt(signingKey, jwtId, subject, issuer, audience, claims, algorithm, period);
}
/**
* Issue JSON Web Token (JWT)
* @author ：vindell
* @param signingKey : Signing key
* @param jwtId : Jwt Id
* @param subject : Jwt Subject
* @param issuer : Jwt Issuer
* @param audience : Jwt Audience
* @param claims : Jwt Claims
* @param algorithm : Supported algorithms：
* HS256 - HMAC with SHA-256, requires 256+ bit secret
* HS384 - HMAC with SHA-384, requires 384+ bit secret
* HS512 - HMAC with SHA-512, requires 512+ bit secret
* @param period : Jwt Expiration Cycle
* @return JSON Web Token (JWT)
* @throws JwtException When Authentication Exception
*/
@Override
public String issueJwt(String signingKey, String jwtId, String subject, String issuer, String audience,
Map claims, String algorithm, long period) throws JwtException {
try {
//-------------------- Step 1：Get ClaimsSet --------------------
// Prepare JWT with claims set
JWTClaimsSet.Builder builder = NimbusdsUtils.claimsSet(jwtId, subject, issuer, audience, claims, period);
// 签发时间
long currentTimeMillis = this.getTimeProvider().now();
Date now = new Date(currentTimeMillis);
builder.issueTime(now);
// 有效期起始时间
builder.notBeforeTime(now);
// Token过期时间
if (period >= 0) {
// 有效时间
Date expiration = new Date(currentTimeMillis + period );
builder.expirationTime(expiration);
}
JWTClaimsSet claimsSet = builder.build();
//-------------------- Step 2：Hamc Signature --------------------
// Create HMAC signer
byte[] secret = Base64.getDecoder().decode(signingKey);
JWSSigner signer = new MACSigner(secret);
// Request JWS Header with HMAC JWSAlgorithm
JWSHeader jwsHeader = new JWSHeader(JWSAlgorithm.parse(algorithm));
SignedJWT signedJWT = new SignedJWT(jwsHeader, claimsSet);
// Compute the HMAC signature
signedJWT.sign(signer);
// Serialize to compact form, produces something like
// eyJhbGciOiJIUzI1NiJ9.SGVsbG8sIHdvcmxkIQ.onO9Ihudz3WkiauDO2Uhyuz0Y18UASXlSc1eS0NkWyA
return signedJWT.serialize();
} catch (IllegalStateException e) {
throw new IncorrectJwtException(e);
} catch (KeyLengthException e) {
throw new IncorrectJwtException(e);
} catch (JOSEException e) {
throw new IncorrectJwtException(e);
}
}
/**
* Verify the validity of JWT
* @author : vindell
* @param signingKey :
* If the jws was signed with a SecretKey, the same SecretKey should be specified on the JwtParser.
* If the jws was signed with a PrivateKey, that key's corresponding PublicKey (not the PrivateKey) should be specified on the JwtParser.
* @param token : JSON Web Token (JWT)
* @param checkExpiry : If Check validity.
* @return If Validity
* @throws JwtException When Authentication Exception
*/
@Override
public boolean verify(String signingKey, String token, boolean checkExpiry) throws JwtException {
try {
//-------------------- Step 1：JWT Parse --------------------
// On the consumer side, parse the JWS and verify its HMAC
SignedJWT signedJWT = SignedJWT.parse(token);
//-------------------- Step 2：Hamc Verify --------------------
// Create HMAC verifier
byte[] secret = Base64.getDecoder().decode(signingKey);
JWSVerifier verifier = checkExpiry ? new ExtendedMACVerifier(secret, signedJWT.getJWTClaimsSet(), this.getTimeProvider()) : new MACVerifier(secret) ;
// Retrieve / verify the JWT claims according to the app requirements
return signedJWT.verify(verifier);
} catch (IllegalStateException e) {
throw new IncorrectJwtException(e);
} catch (NumberFormatException e) {
throw new IncorrectJwtException(e);
} catch (ParseException e) {
throw new IncorrectJwtException(e);
} catch (JOSEException e) {
throw new InvalidJwtToken(e);
}
}
/**
* Parser JSON Web Token (JWT)
* @author ：vindell
* @param signingKey :
* If the jws was signed with a SecretKey, the same SecretKey should be specified on the JwtParser.
* If the jws was signed with a PrivateKey, that key's corresponding PublicKey (not the PrivateKey) should be specified on the JwtParser.
* @param token : JSON Web Token (JWT)
* @param checkExpiry : If Check validity.
* @return JwtPlayload {@link JwtPayload}
* @throws JwtException When Authentication Exception
*/
@Override
public JwtPayload getPlayload(String signingKey, String token, boolean checkExpiry) throws JwtException {
try {
//-------------------- Step 1：JWT Parse --------------------
// On the consumer side, parse the JWS and verify its HMAC
SignedJWT signedJWT = SignedJWT.parse(token);
//-------------------- Step 2：Hamc Verify --------------------
// Create HMAC verifier
byte[] secret = Base64.getDecoder().decode(signingKey);
JWSVerifier verifier = checkExpiry ? new ExtendedMACVerifier(secret, signedJWT.getJWTClaimsSet(), this.getTimeProvider()) : new MACVerifier(secret) ;
// Retrieve / verify the JWT claims according to the app requirements
if(!signedJWT.verify(verifier)) {
throw new JwtException(String.format("Invalid JSON Web Token (JWT) : %s", token));
}
//-------------------- Step 3：Gets The Claims ---------------
// Retrieve JWT claims
return NimbusdsUtils.payload(signedJWT.getJWTClaimsSet());
} catch (IllegalStateException e) {
throw new IncorrectJwtException(e);
} catch (NumberFormatException e) {
throw new IncorrectJwtException(e);
} catch (ParseException e) {
throw new IncorrectJwtException(e);
} catch (JOSEException e) {
throw new InvalidJwtToken(e);
}
}
public JwtTimeProvider getTimeProvider() {
return timeProvider;
}
public void setTimeProvider(JwtTimeProvider timeProvider) {
this.timeProvider = timeProvider;
}
}