| 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.ec2.binders; |
| 20 | |
| 21 | import static com.google.common.base.Preconditions.checkNotNull; |
| 22 | |
| 23 | import javax.inject.Inject; |
| 24 | import javax.inject.Singleton; |
| 25 | |
| 26 | import org.jclouds.aws.filters.FormSigner; |
| 27 | import org.jclouds.crypto.CryptoStreams; |
| 28 | import org.jclouds.http.HttpRequest; |
| 29 | import org.jclouds.http.utils.ModifyRequest; |
| 30 | import org.jclouds.rest.Binder; |
| 31 | |
| 32 | import com.google.common.base.Charsets; |
| 33 | import com.google.common.collect.ImmutableMultimap; |
| 34 | import com.google.common.collect.ImmutableMultimap.Builder; |
| 35 | |
| 36 | /** |
| 37 | * |
| 38 | * @author Adrian Cole |
| 39 | */ |
| 40 | @Singleton |
| 41 | public class BindS3UploadPolicyAndSignature implements Binder { |
| 42 | private final FormSigner signer; |
| 43 | |
| 44 | @Inject |
| 45 | BindS3UploadPolicyAndSignature(FormSigner signer) { |
| 46 | this.signer = signer; |
| 47 | } |
| 48 | |
| 49 | @Override |
| 50 | public <R extends HttpRequest> R bindToRequest(R request, Object input) { |
| 51 | String encodedJson = CryptoStreams.base64(checkNotNull(input, "json").toString().getBytes(Charsets.UTF_8)); |
| 52 | Builder<String, String> builder = ImmutableMultimap.<String, String> builder(); |
| 53 | builder.put("Storage.S3.UploadPolicy", encodedJson); |
| 54 | String signature = signer.sign(encodedJson); |
| 55 | builder.put("Storage.S3.UploadPolicySignature", signature); |
| 56 | return ModifyRequest.putFormParams(request, builder.build()); |
| 57 | } |
| 58 | |
| 59 | } |