| 1 | /** |
| 2 | * |
| 3 | * Copyright (C) 2011 Cloud Conscious, LLC. <info@cloudconscious.com> |
| 4 | * |
| 5 | * ==================================================================== |
| 6 | * Licensed under the Apache License, Version 2.0 (the "License"); |
| 7 | * you may not use this file except in compliance with the License. |
| 8 | * You may obtain a copy of the License at |
| 9 | * |
| 10 | * http://www.apache.org/licenses/LICENSE-2.0 |
| 11 | * |
| 12 | * Unless required by applicable law or agreed to in writing, software |
| 13 | * distributed under the License is distributed on an "AS IS" BASIS, |
| 14 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| 15 | * See the License for the specific language governing permissions and |
| 16 | * limitations under the License. |
| 17 | * ==================================================================== |
| 18 | */ |
| 19 | package org.jclouds.util; |
| 20 | |
| 21 | import static com.google.common.base.Preconditions.checkNotNull; |
| 22 | |
| 23 | import javax.annotation.Nullable; |
| 24 | |
| 25 | import org.jclouds.crypto.Pems; |
| 26 | import org.jclouds.domain.Credentials; |
| 27 | |
| 28 | |
| 29 | |
| 30 | /** |
| 31 | * |
| 32 | * |
| 33 | * @author Adrian Cole |
| 34 | */ |
| 35 | public class CredentialUtils { |
| 36 | |
| 37 | public static Credentials overrideCredentialsIfSupplied(Credentials defaultCredentials, |
| 38 | @Nullable Credentials overridingCredentials) { |
| 39 | if (overridingCredentials == null) |
| 40 | return defaultCredentials; |
| 41 | String identity = overridingCredentials.identity != null ? overridingCredentials.identity : checkNotNull( |
| 42 | defaultCredentials, "defaultCredentials").identity; |
| 43 | String credential = overridingCredentials.credential != null ? overridingCredentials.credential : checkNotNull( |
| 44 | defaultCredentials, "defaultCredentials").credential; |
| 45 | |
| 46 | return new Credentials(identity, credential); |
| 47 | } |
| 48 | |
| 49 | public static boolean isPrivateKeyCredential(Credentials credentials) { |
| 50 | return credentials != null |
| 51 | && credentials.credential != null |
| 52 | && (credentials.credential.startsWith(Pems.PRIVATE_PKCS1_MARKER) || credentials.credential |
| 53 | .startsWith(Pems.PRIVATE_PKCS8_MARKER)); |
| 54 | } |
| 55 | |
| 56 | |
| 57 | } |