org.smartplatforms.oauth2.SmartClientUserDetailsService.java Source code

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Here is the source code for org.smartplatforms.oauth2.SmartClientUserDetailsService.java

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/*******************************************************************************
 * Copyright 2015 The MITRE Corporation
 *   and the MIT Kerberos and Internet Trust Consortium
 *
 * 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.smartplatforms.oauth2;

import com.google.common.base.Strings;
import org.mitre.oauth2.model.ClientDetailsEntity;
import org.mitre.oauth2.model.ClientDetailsEntity.AuthMethod;
import org.mitre.oauth2.service.ClientDetailsEntityService;
import org.mitre.oauth2.service.impl.DefaultClientUserDetailsService;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.security.core.GrantedAuthority;
import org.springframework.security.core.authority.SimpleGrantedAuthority;
import org.springframework.security.core.userdetails.User;
import org.springframework.security.core.userdetails.UserDetails;
import org.springframework.security.core.userdetails.UserDetailsService;
import org.springframework.security.core.userdetails.UsernameNotFoundException;
import org.springframework.security.oauth2.common.exceptions.InvalidClientException;
import org.springframework.stereotype.Service;

import java.math.BigInteger;
import java.security.SecureRandom;
import java.util.Collection;
import java.util.HashSet;

/**
 * Shim layer to convert a ClientDetails service into a UserDetails service
 * 
 * @author AANGANES
 *
 */
@Service("smartClientUserDetailsService")
public class SmartClientUserDetailsService extends DefaultClientUserDetailsService implements UserDetailsService {

    private static GrantedAuthority ROLE_CLIENT = new SimpleGrantedAuthority("ROLE_CLIENT");

    @Autowired
    private ClientDetailsEntityService clientDetailsService;
    private Collection<String> adminClients = new HashSet<String>();

    @Override
    public UserDetails loadUserByUsername(String clientId) throws UsernameNotFoundException {

        try {
            ClientDetailsEntity client = clientDetailsService.loadClientByClientId(clientId);

            if (client != null) {

                String password = Strings.nullToEmpty(client.getClientSecret());

                if (client.getTokenEndpointAuthMethod() != null
                        && (client.getTokenEndpointAuthMethod().equals(AuthMethod.PRIVATE_KEY)
                                || client.getTokenEndpointAuthMethod().equals(AuthMethod.SECRET_JWT))) {

                    // Issue a random password each time to prevent password auth from being used (or skipped)
                    // for private key or shared key clients, see #715

                    password = new BigInteger(512, new SecureRandom()).toString(16);
                }

                boolean enabled = true;
                boolean accountNonExpired = true;
                boolean credentialsNonExpired = true;
                boolean accountNonLocked = true;
                Collection<GrantedAuthority> authorities = new HashSet<GrantedAuthority>(client.getAuthorities());
                authorities.add(ROLE_CLIENT);

                if (adminClients.contains(client.getClientId())) {
                    GrantedAuthority roleClient = new SimpleGrantedAuthority("ROLE_ADMIN");
                    authorities.add(roleClient);
                }

                return new User(clientId, password, enabled, accountNonExpired, credentialsNonExpired,
                        accountNonLocked, authorities);
            } else {
                throw new UsernameNotFoundException("Client not found: " + clientId);
            }
        } catch (InvalidClientException e) {
            throw new UsernameNotFoundException("Client not found: " + clientId);
        }

    }

    public ClientDetailsEntityService getClientDetailsService() {
        return clientDetailsService;
    }

    public void setClientDetailsService(ClientDetailsEntityService clientDetailsService) {
        this.clientDetailsService = clientDetailsService;
    }

    public Collection<String> getAdminClients() {
        return adminClients;
    }

    public void setAdminClients(Collection<String> adminClients) {
        this.adminClients = adminClients;
    }

}