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AwsCrt4aSigningAdapter.java
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AwsCrt4aSigningAdapter.java
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/*
* Copyright Amazon.com, Inc. or its affiliates. All Rights Reserved.
*
* Licensed under the Apache License, Version 2.0 (the "License").
* You may not use this file except in compliance with the License.
* A copy of the License is located at
*
* http://aws.amazon.com/apache2.0
*
* or in the "license" file accompanying this file. This file 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 software.amazon.awssdk.authcrt.signer.internal;
import java.util.List;
import java.util.Map;
import java.util.concurrent.CompletableFuture;
import java.util.stream.Collectors;
import software.amazon.awssdk.annotations.SdkInternalApi;
import software.amazon.awssdk.core.exception.SdkClientException;
import software.amazon.awssdk.crt.auth.signing.AwsSigner;
import software.amazon.awssdk.crt.auth.signing.AwsSigningConfig;
import software.amazon.awssdk.crt.auth.signing.AwsSigningResult;
import software.amazon.awssdk.crt.http.HttpHeader;
import software.amazon.awssdk.crt.http.HttpRequest;
import software.amazon.awssdk.crt.http.HttpRequestBodyStream;
import software.amazon.awssdk.http.SdkHttpFullRequest;
/**
* This class mirrors the publicly available API of the AwsSigner class in CRT.
*/
@SdkInternalApi
public class AwsCrt4aSigningAdapter {
private final CrtHttpRequestConverter requestConverter;
public AwsCrt4aSigningAdapter() {
this.requestConverter = new CrtHttpRequestConverter();
}
public SdkHttpFullRequest signRequest(SdkHttpFullRequest request, AwsSigningConfig signingConfig) {
HttpRequest crtRequest = requestConverter.requestToCrt(SigningUtils.sanitizeSdkRequestForCrtSigning(request));
CompletableFuture<HttpRequest> future = AwsSigner.signRequest(crtRequest, signingConfig);
try {
HttpRequest signedRequest = future.get();
return requestConverter.crtRequestToHttp(request, signedRequest);
} catch (InterruptedException e) {
Thread.currentThread().interrupt();
throw SdkClientException.create("The thread got interrupted while attempting to sign request: " + e.getMessage(), e);
} catch (Exception e) {
throw SdkClientException.create("Unable to sign request: " + e.getMessage(), e);
}
}
public SdkSigningResult sign(SdkHttpFullRequest request, AwsSigningConfig signingConfig) {
HttpRequest crtRequest = requestConverter.requestToCrt(SigningUtils.sanitizeSdkRequestForCrtSigning(request));
CompletableFuture<AwsSigningResult> future = AwsSigner.sign(crtRequest, signingConfig);
try {
AwsSigningResult signingResult = future.get();
return requestConverter.crtResultToAws(request, signingResult);
} catch (InterruptedException e) {
Thread.currentThread().interrupt();
throw SdkClientException.create("The thread got interrupted while attempting to sign request: " + e.getMessage(), e);
} catch (Exception e) {
throw SdkClientException.create("Unable to sign request: " + e.getMessage(), e);
}
}
public byte[] signChunk(byte[] chunkBody, byte[] previousSignature, AwsSigningConfig signingConfig) {
HttpRequestBodyStream crtBody = requestConverter.toCrtStream(chunkBody);
CompletableFuture<byte[]> future = AwsSigner.signChunk(crtBody, previousSignature, signingConfig);
try {
return future.get();
} catch (InterruptedException e) {
Thread.currentThread().interrupt();
throw SdkClientException.create("The thread got interrupted while attempting to sign request: " + e.getMessage(), e);
} catch (Exception e) {
throw SdkClientException.create("Unable to sign request: " + e.getMessage(), e);
}
}
public AwsSigningResult signTrailerHeaders(Map<String, List<String>> headerMap, byte[] previousSignature,
AwsSigningConfig signingConfig) {
List<HttpHeader> httpHeaderList =
headerMap.entrySet().stream().map(entry -> new HttpHeader(
entry.getKey(), String.join(",", entry.getValue()))).collect(Collectors.toList());
// All the config remains the same as signing config except the Signature Type.
AwsSigningConfig configCopy = signingConfig.clone();
configCopy.setSignatureType(AwsSigningConfig.AwsSignatureType.HTTP_REQUEST_TRAILING_HEADERS);
CompletableFuture<AwsSigningResult> future = AwsSigner.sign(httpHeaderList, previousSignature, configCopy);
try {
return future.get();
} catch (InterruptedException e) {
Thread.currentThread().interrupt();
throw SdkClientException.create("The thread got interrupted while attempting to sign request: " + e.getMessage(), e);
} catch (Exception e) {
throw SdkClientException.create("Unable to sign request: " + e.getMessage(), e);
}
}
}