| 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.azure.storage.util; |
| 20 | |
| 21 | import java.io.InputStream; |
| 22 | |
| 23 | import javax.inject.Inject; |
| 24 | import javax.inject.Provider; |
| 25 | |
| 26 | import org.jclouds.azure.storage.domain.AzureStorageError; |
| 27 | import org.jclouds.azure.storage.filters.SharedKeyLiteAuthentication; |
| 28 | import org.jclouds.azure.storage.reference.AzureStorageHeaders; |
| 29 | import org.jclouds.azure.storage.xml.ErrorHandler; |
| 30 | import org.jclouds.http.HttpCommand; |
| 31 | import org.jclouds.http.HttpException; |
| 32 | import org.jclouds.http.HttpResponse; |
| 33 | import org.jclouds.http.functions.ParseSax; |
| 34 | |
| 35 | /** |
| 36 | * Encryption, Hashing, and IO Utilities needed to sign and verify Azure Storage requests and |
| 37 | * responses. |
| 38 | * |
| 39 | * @author Adrian Cole |
| 40 | */ |
| 41 | public class AzureStorageUtils { |
| 42 | |
| 43 | @Inject |
| 44 | SharedKeyLiteAuthentication signer; |
| 45 | |
| 46 | @Inject |
| 47 | ParseSax.Factory factory; |
| 48 | |
| 49 | @Inject |
| 50 | Provider<ErrorHandler> errorHandlerProvider; |
| 51 | |
| 52 | public AzureStorageError parseAzureStorageErrorFromContent(HttpCommand command, |
| 53 | HttpResponse response, InputStream content) throws HttpException { |
| 54 | AzureStorageError error = factory.create(errorHandlerProvider.get()).parse(content); |
| 55 | error.setRequestId(response.getFirstHeaderOrNull(AzureStorageHeaders.REQUEST_ID)); |
| 56 | if ("AuthenticationFailed".equals(error.getCode())) { |
| 57 | error.setStringSigned(signer.createStringToSign(command.getCurrentRequest())); |
| 58 | error.setSignature(signer.signString(error.getStringSigned())); |
| 59 | } |
| 60 | return error; |
| 61 | } |
| 62 | |
| 63 | } |