/* * Copyright 2020-2021 the original author or authors. * * 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 * * https://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 org.springframework.security.oauth2.server.authorization.authentication; import java.time.Instant; import java.time.temporal.ChronoUnit; import java.util.Collections; import java.util.Set; import org.springframework.security.authentication.AuthenticationProvider; import org.springframework.security.oauth2.core.endpoint.OAuth2ParameterNames; import org.springframework.security.oauth2.core.oidc.IdTokenClaimNames; import org.springframework.security.oauth2.jose.jws.SignatureAlgorithm; import org.springframework.security.oauth2.jwt.JoseHeader; import org.springframework.security.oauth2.jwt.Jwt; import org.springframework.security.oauth2.jwt.JwtClaimsSet; import org.springframework.security.oauth2.server.authorization.client.RegisteredClient; import org.springframework.util.CollectionUtils; import org.springframework.util.StringUtils; /** * Utility methods used by the {@link AuthenticationProvider}'s when issuing {@link Jwt}'s. * * @author Joe Grandja * @since 0.1.0 */ final class JwtUtils { private JwtUtils() { } static JoseHeader.Builder headers() { return JoseHeader.withAlgorithm(SignatureAlgorithm.RS256); } static JwtClaimsSet.Builder accessTokenClaims(RegisteredClient registeredClient, String issuer, String subject, Set authorizedScopes) { Instant issuedAt = Instant.now(); Instant expiresAt = issuedAt.plus(registeredClient.getTokenSettings().accessTokenTimeToLive()); // @formatter:off JwtClaimsSet.Builder claimsBuilder = JwtClaimsSet.builder(); if (StringUtils.hasText(issuer)) { claimsBuilder.issuer(issuer); } claimsBuilder .subject(subject) .audience(Collections.singletonList(registeredClient.getClientId())) .issuedAt(issuedAt) .expiresAt(expiresAt) .notBefore(issuedAt); if (!CollectionUtils.isEmpty(authorizedScopes)) { claimsBuilder.claim(OAuth2ParameterNames.SCOPE, authorizedScopes); } // @formatter:on return claimsBuilder; } static JwtClaimsSet.Builder idTokenClaims(RegisteredClient registeredClient, String issuer, String subject, String nonce) { Instant issuedAt = Instant.now(); // TODO Allow configuration for ID Token time-to-live Instant expiresAt = issuedAt.plus(30, ChronoUnit.MINUTES); // @formatter:off JwtClaimsSet.Builder claimsBuilder = JwtClaimsSet.builder(); if (StringUtils.hasText(issuer)) { claimsBuilder.issuer(issuer); } claimsBuilder .subject(subject) .audience(Collections.singletonList(registeredClient.getClientId())) .issuedAt(issuedAt) .expiresAt(expiresAt) .claim(IdTokenClaimNames.AZP, registeredClient.getClientId()); if (StringUtils.hasText(nonce)) { claimsBuilder.claim(IdTokenClaimNames.NONCE, nonce); } // TODO Add 'auth_time' claim // @formatter:on return claimsBuilder; } }