org.springframework.security.oauth2.provider.client.ClientDetailsUserDetailsService.java Source code

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Here is the source code for org.springframework.security.oauth2.provider.client.ClientDetailsUserDetailsService.java

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/*
 * Copyright 2006-2011 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.provider.client;

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.crypto.password.PasswordEncoder;
import org.springframework.security.oauth2.provider.ClientDetails;
import org.springframework.security.oauth2.provider.ClientDetailsService;
import org.springframework.security.oauth2.provider.NoSuchClientException;

/**
 * @author Dave Syer
 * 
 */
public class ClientDetailsUserDetailsService implements UserDetailsService {

    private final ClientDetailsService clientDetailsService;
    private String emptyPassword = "";

    public ClientDetailsUserDetailsService(ClientDetailsService clientDetailsService) {
        this.clientDetailsService = clientDetailsService;
    }

    /**
     * @param passwordEncoder the password encoder to set
     */
    public void setPasswordEncoder(PasswordEncoder passwordEncoder) {
        this.emptyPassword = passwordEncoder.encode("");
    }

    public UserDetails loadUserByUsername(String username) throws UsernameNotFoundException {
        ClientDetails clientDetails;
        try {
            clientDetails = clientDetailsService.loadClientByClientId(username);
        } catch (NoSuchClientException e) {
            throw new UsernameNotFoundException(e.getMessage(), e);
        }
        String clientSecret = clientDetails.getClientSecret();
        if (clientSecret == null || clientSecret.trim().length() == 0) {
            clientSecret = emptyPassword;
        }
        return new User(username, clientSecret, clientDetails.getAuthorities());
    }

}