com.example.CloudFoundryAuthenticationProvider.java Source code

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Here is the source code for com.example.CloudFoundryAuthenticationProvider.java

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/*
 * Copyright 2012-2015 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 com.example;

import org.cloudfoundry.client.lib.CloudCredentials;
import org.cloudfoundry.client.lib.CloudFoundryClient;
import org.springframework.security.authentication.AuthenticationProvider;
import org.springframework.security.authentication.UsernamePasswordAuthenticationToken;
import org.springframework.security.core.Authentication;
import org.springframework.security.core.AuthenticationException;
import org.springframework.security.oauth2.common.OAuth2AccessToken;
import org.springframework.stereotype.Component;

/**
 * @author Dave Syer
 *
 */
@Component
public class CloudFoundryAuthenticationProvider implements AuthenticationProvider {

    private CloudFoundryProperties properties;

    public CloudFoundryAuthenticationProvider(CloudFoundryProperties properties) {
        this.properties = properties;
    }

    @Override
    public Authentication authenticate(Authentication authentication) throws AuthenticationException {
        UsernamePasswordAuthenticationToken user = (UsernamePasswordAuthenticationToken) authentication;
        String username = user.getName();
        String password = user.getCredentials().toString();
        CloudCredentials credentials = new CloudCredentials(username, password);
        CloudFoundryClient client = new CloudFoundryClient(credentials, properties.getApi());
        OAuth2AccessToken login = client.login();
        CloudFoundryAuthentication result = new CloudFoundryAuthentication(username, login);
        return result;
    }

    @Override
    public boolean supports(Class<?> authentication) {
        return UsernamePasswordAuthenticationToken.class.isAssignableFrom(authentication);
    }

}