98 lines
3.7 KiB
Java
98 lines
3.7 KiB
Java
/*
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* Copyright 2020-2021 the original author or authors.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* https://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package org.springframework.security.oauth2.server.authorization.authentication;
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import org.springframework.security.crypto.keygen.Base64StringKeyGenerator;
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import org.springframework.security.crypto.keygen.StringKeyGenerator;
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import org.springframework.security.oauth2.core.OAuth2RefreshToken;
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import org.springframework.security.oauth2.core.OAuth2RefreshToken2;
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import org.springframework.security.oauth2.core.endpoint.OAuth2ParameterNames;
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import org.springframework.security.oauth2.core.oidc.IdTokenClaimNames;
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import org.springframework.security.oauth2.jwt.JoseHeader;
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import org.springframework.security.oauth2.jose.jws.SignatureAlgorithm;
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import org.springframework.security.oauth2.jwt.Jwt;
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import org.springframework.security.oauth2.jwt.JwtClaimsSet;
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import org.springframework.security.oauth2.jwt.JwtEncoder;
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import org.springframework.util.StringUtils;
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import java.time.Duration;
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import java.time.Instant;
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import java.time.temporal.ChronoUnit;
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import java.util.Base64;
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import java.util.Collections;
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import java.util.Set;
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/**
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* @author Alexey Nesterov
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* @since 0.0.3
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*/
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class OAuth2TokenIssuerUtil {
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private static final StringKeyGenerator TOKEN_GENERATOR = new Base64StringKeyGenerator(Base64.getUrlEncoder().withoutPadding(), 96);
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static Jwt issueJwtAccessToken(JwtEncoder jwtEncoder, String subject, String audience, Set<String> scopes, Duration tokenTimeToLive) {
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JoseHeader joseHeader = JoseHeader.withAlgorithm(SignatureAlgorithm.RS256).build();
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String issuer = "http://auth-server:9000"; // TODO Allow configuration for issuer claim
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Instant issuedAt = Instant.now();
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Instant expiresAt = issuedAt.plus(tokenTimeToLive);
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JwtClaimsSet jwtClaimsSet = JwtClaimsSet.builder()
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.issuer(issuer)
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.subject(subject)
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.audience(Collections.singletonList(audience))
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.issuedAt(issuedAt)
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.expiresAt(expiresAt)
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.notBefore(issuedAt)
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.claim(OAuth2ParameterNames.SCOPE, scopes)
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.build();
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return jwtEncoder.encode(joseHeader, jwtClaimsSet);
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}
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static Jwt issueIdToken(JwtEncoder jwtEncoder, String subject, String audience, String nonce) {
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JoseHeader joseHeader = JoseHeader.withAlgorithm(SignatureAlgorithm.RS256).build();
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String issuer = "http://auth-server:9000"; // TODO Allow configuration for issuer claim
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Instant issuedAt = Instant.now();
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Instant expiresAt = issuedAt.plus(30, ChronoUnit.MINUTES); // TODO Allow configuration for id token time-to-live
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JwtClaimsSet.Builder builder = JwtClaimsSet.builder()
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.issuer(issuer)
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.subject(subject)
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.audience(Collections.singletonList(audience))
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.issuedAt(issuedAt)
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.expiresAt(expiresAt)
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.claim(IdTokenClaimNames.AZP, audience);
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if (StringUtils.hasText(nonce)) {
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builder.claim(IdTokenClaimNames.NONCE, nonce);
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}
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// TODO Add 'auth_time' claim
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JwtClaimsSet jwtClaimsSet = builder.build();
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return jwtEncoder.encode(joseHeader, jwtClaimsSet);
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}
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static OAuth2RefreshToken issueRefreshToken(Duration tokenTimeToLive) {
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Instant issuedAt = Instant.now();
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Instant expiresAt = issuedAt.plus(tokenTimeToLive);
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return new OAuth2RefreshToken2(TOKEN_GENERATOR.generateKey(), issuedAt, expiresAt);
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}
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}
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