org.springframework.cloud.security.oauth2.resource.SpringSocialTokenServices.java Source code

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Here is the source code for org.springframework.cloud.security.oauth2.resource.SpringSocialTokenServices.java

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/*
 * Copyright 2013-2014 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
 *
 *      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 org.springframework.cloud.security.oauth2.resource;

import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.springframework.security.authentication.UsernamePasswordAuthenticationToken;
import org.springframework.security.core.AuthenticationException;
import org.springframework.security.core.authority.AuthorityUtils;
import org.springframework.security.oauth2.common.OAuth2AccessToken;
import org.springframework.security.oauth2.common.exceptions.InvalidTokenException;
import org.springframework.security.oauth2.provider.OAuth2Authentication;
import org.springframework.security.oauth2.provider.OAuth2Request;
import org.springframework.security.oauth2.provider.token.ResourceServerTokenServices;
import org.springframework.social.connect.Connection;
import org.springframework.social.connect.UserProfile;
import org.springframework.social.connect.support.OAuth2ConnectionFactory;
import org.springframework.social.oauth2.AccessGrant;

/**
 * @author Dave Syer
 *
 */
public class SpringSocialTokenServices implements ResourceServerTokenServices {

    protected final Log logger = LogFactory.getLog(getClass());

    private OAuth2ConnectionFactory<?> connectionFactory;

    private String clientId;

    public SpringSocialTokenServices(OAuth2ConnectionFactory<?> connectionFactory, String clientId) {
        this.connectionFactory = connectionFactory;
        this.clientId = clientId;
    }

    @Override
    public OAuth2Authentication loadAuthentication(String accessToken)
            throws AuthenticationException, InvalidTokenException {

        Connection<?> connection = connectionFactory.createConnection(new AccessGrant(accessToken));
        UserProfile user = connection.fetchUserProfile();
        return extractAuthentication(user);
    }

    private OAuth2Authentication extractAuthentication(UserProfile user) {
        UsernamePasswordAuthenticationToken principal = new UsernamePasswordAuthenticationToken(user.getUsername(),
                "N/A", AuthorityUtils.commaSeparatedStringToAuthorityList("ROLE_USER"));
        principal.setDetails(user);
        OAuth2Request request = new OAuth2Request(null, clientId, null, true, null, null, null, null, null);
        return new OAuth2Authentication(request, principal);
    }

    @Override
    public OAuth2AccessToken readAccessToken(String accessToken) {
        throw new UnsupportedOperationException("Not supported: read access token");
    }

}