147 lines
7.0 KiB
Java
147 lines
7.0 KiB
Java
/*
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* Copyright 2020 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.authentication.AuthenticationProvider;
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import org.springframework.security.core.Authentication;
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import org.springframework.security.core.AuthenticationException;
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import org.springframework.security.oauth2.core.AuthorizationGrantType;
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import org.springframework.security.oauth2.core.OAuth2AccessToken;
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import org.springframework.security.oauth2.core.OAuth2AuthenticationException;
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import org.springframework.security.oauth2.core.OAuth2Error;
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import org.springframework.security.oauth2.core.OAuth2ErrorCodes;
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import org.springframework.security.oauth2.core.OAuth2RefreshToken;
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import org.springframework.security.oauth2.jwt.Jwt;
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import org.springframework.security.oauth2.jwt.JwtEncoder;
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import org.springframework.security.oauth2.server.authorization.OAuth2Authorization;
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import org.springframework.security.oauth2.server.authorization.OAuth2AuthorizationAttributeNames;
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import org.springframework.security.oauth2.server.authorization.OAuth2AuthorizationService;
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import org.springframework.security.oauth2.server.authorization.TokenType;
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import org.springframework.security.oauth2.server.authorization.client.RegisteredClient;
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import org.springframework.security.oauth2.server.authorization.config.TokenSettings;
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import org.springframework.security.oauth2.server.authorization.token.OAuth2Tokens;
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import org.springframework.util.Assert;
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import java.time.Instant;
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import java.util.Set;
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/**
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* An {@link AuthenticationProvider} implementation for the OAuth 2.0 Refresh Token Grant.
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*
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* @author Alexey Nesterov
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* @since 0.0.3
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* @see OAuth2RefreshTokenAuthenticationToken
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* @see OAuth2AccessTokenAuthenticationToken
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* @see OAuth2AuthorizationService
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* @see JwtEncoder
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* @see <a target="_blank" href="https://tools.ietf.org/html/rfc6749#section-1.5">Section 1.5 Refresh Token Grant</a>
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* @see <a target="_blank" href="https://tools.ietf.org/html/rfc6749#section-6">Section 6 Refreshing an Access Token</a>
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*/
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public class OAuth2RefreshTokenAuthenticationProvider implements AuthenticationProvider {
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private final OAuth2AuthorizationService authorizationService;
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private final JwtEncoder jwtEncoder;
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/**
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* Constructs an {@code OAuth2RefreshTokenAuthenticationProvider} using the provided parameters.
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*
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* @param authorizationService the authorization service
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* @param jwtEncoder the jwt encoder
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*/
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public OAuth2RefreshTokenAuthenticationProvider(OAuth2AuthorizationService authorizationService,
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JwtEncoder jwtEncoder) {
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Assert.notNull(authorizationService, "authorizationService cannot be null");
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Assert.notNull(jwtEncoder, "jwtEncoder cannot be null");
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this.authorizationService = authorizationService;
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this.jwtEncoder = jwtEncoder;
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}
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@Override
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public Authentication authenticate(Authentication authentication) throws AuthenticationException {
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OAuth2RefreshTokenAuthenticationToken refreshTokenAuthentication =
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(OAuth2RefreshTokenAuthenticationToken) authentication;
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OAuth2ClientAuthenticationToken clientPrincipal = null;
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if (OAuth2ClientAuthenticationToken.class.isAssignableFrom(refreshTokenAuthentication.getPrincipal().getClass())) {
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clientPrincipal = (OAuth2ClientAuthenticationToken) refreshTokenAuthentication.getPrincipal();
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}
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if (clientPrincipal == null || !clientPrincipal.isAuthenticated()) {
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throw new OAuth2AuthenticationException(new OAuth2Error(OAuth2ErrorCodes.INVALID_CLIENT));
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}
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RegisteredClient registeredClient = clientPrincipal.getRegisteredClient();
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OAuth2Authorization authorization = this.authorizationService.findByToken(
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refreshTokenAuthentication.getRefreshToken(), TokenType.REFRESH_TOKEN);
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if (authorization == null) {
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throw new OAuth2AuthenticationException(new OAuth2Error(OAuth2ErrorCodes.INVALID_GRANT));
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}
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if (!registeredClient.getId().equals(authorization.getRegisteredClientId())) {
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throw new OAuth2AuthenticationException(new OAuth2Error(OAuth2ErrorCodes.INVALID_CLIENT));
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}
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if (!registeredClient.getAuthorizationGrantTypes().contains(AuthorizationGrantType.REFRESH_TOKEN)) {
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throw new OAuth2AuthenticationException(new OAuth2Error(OAuth2ErrorCodes.UNAUTHORIZED_CLIENT));
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}
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Instant refreshTokenExpiresAt = authorization.getTokens().getRefreshToken().getExpiresAt();
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if (refreshTokenExpiresAt.isBefore(Instant.now())) {
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// As per https://tools.ietf.org/html/rfc6749#section-5.2
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// invalid_grant: The provided authorization grant (e.g., authorization code,
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// resource owner credentials) or refresh token is invalid, expired, revoked [...].
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throw new OAuth2AuthenticationException(new OAuth2Error(OAuth2ErrorCodes.INVALID_GRANT));
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}
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// As per https://tools.ietf.org/html/rfc6749#section-6
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// The requested scope MUST NOT include any scope not originally granted by the resource owner,
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// and if omitted is treated as equal to the scope originally granted by the resource owner.
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Set<String> scopes = refreshTokenAuthentication.getScopes();
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Set<String> authorizedScopes = authorization.getAttribute(OAuth2AuthorizationAttributeNames.AUTHORIZED_SCOPES);
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if (!authorizedScopes.containsAll(scopes)) {
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throw new OAuth2AuthenticationException(new OAuth2Error(OAuth2ErrorCodes.INVALID_SCOPE));
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}
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if (scopes.isEmpty()) {
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scopes = authorizedScopes;
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}
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Jwt jwt = OAuth2TokenIssuerUtil
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.issueJwtAccessToken(this.jwtEncoder, authorization.getPrincipalName(), registeredClient.getClientId(), scopes);
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OAuth2AccessToken accessToken = new OAuth2AccessToken(OAuth2AccessToken.TokenType.BEARER,
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jwt.getTokenValue(), jwt.getIssuedAt(), jwt.getExpiresAt(), scopes);
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TokenSettings tokenSettings = registeredClient.getTokenSettings();
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OAuth2RefreshToken refreshToken;
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if (tokenSettings.reuseRefreshTokens()) {
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refreshToken = authorization.getTokens().getRefreshToken();
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} else {
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refreshToken = OAuth2TokenIssuerUtil.issueRefreshToken(tokenSettings.refreshTokenTimeToLive());
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}
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authorization = OAuth2Authorization.from(authorization)
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.tokens(OAuth2Tokens.from(authorization.getTokens()).accessToken(accessToken).refreshToken(refreshToken).build())
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.attribute(OAuth2AuthorizationAttributeNames.ACCESS_TOKEN_ATTRIBUTES, jwt)
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.build();
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this.authorizationService.save(authorization);
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return new OAuth2AccessTokenAuthenticationToken(
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registeredClient, clientPrincipal, accessToken, refreshToken);
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}
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@Override
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public boolean supports(Class<?> authentication) {
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return OAuth2RefreshTokenAuthenticationToken.class.isAssignableFrom(authentication);
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}
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}
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