/**
    * Copyright 2004-2014 The Kuali Foundation
    *
    * Licensed under the Educational Community 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.opensource.org/licenses/ecl2.php
    *
   * 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.kuali.common.aws.status;
  
  import static com.google.common.collect.Lists.newArrayList;
  import static org.kuali.common.util.encrypt.Encryption.getDefaultEncryptor;
  
  import java.util.List;
  
  import org.kuali.common.aws.EncryptedAwsCredentials;
  import org.kuali.common.aws.EncryptedKeyPair;
  import org.kuali.common.core.ssh.KeyPair;
  import org.kuali.common.util.encrypt.Encryptor;
  
  import com.amazonaws.auth.AWSCredentials;
  import com.amazonaws.auth.BasicAWSCredentials;
  
  public class Auth {
  
  	public static KeyPair getKeyPair(EncryptedKeyPair encrypted) {
  		Encryptor encryptor = getDefaultEncryptor();
  		KeyPair keyPair = encrypted.getKeyPair();
  		String publicKey = encryptor.decrypt(keyPair.getPublicKey());
  		String privateKey = encryptor.decrypt(keyPair.getPrivateKey());
  		return KeyPair.builder(keyPair.getName()).withPublicKey(publicKey).withPrivateKey(privateKey).build();
  	}
  
  	public static AWSCredentials getCredentials(EncryptedAwsCredentials encrypted) {
  		Encryptor encryptor = getDefaultEncryptor();
  		String accessKey = encryptor.decrypt(encrypted.getAWSAccessKeyId());
  		String secretKey = encryptor.decrypt(encrypted.getAWSSecretKey());
  		return new BasicAWSCredentials(accessKey, secretKey);
  	}
  
  	public static List<AWSCredentials> getCredentials() {
  		List<AWSCredentials> list = newArrayList();
  		for (EncryptedAwsCredentials credentials : EncryptedAwsCredentials.values()) {
  			AWSCredentials decrypted = getCredentials(credentials);
  			list.add(decrypted);
  		}
  		return list;
  
  	}
  
  }