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/**
* Copyright Amazon.com, Inc. or its affiliates. All Rights Reserved.
* SPDX-License-Identifier: Apache-2.0.
*/
#include <aws/core/client/AWSJsonClient.h>
#include <aws/core/AmazonWebServiceRequest.h>
#include <aws/core/auth/AWSAuthSignerProvider.h>
#include <aws/core/client/AWSError.h>
#include <aws/core/client/AWSErrorMarshaller.h>
#include <aws/core/client/ClientConfiguration.h>
#include <aws/core/client/CoreErrors.h>
#include <aws/core/client/RetryStrategy.h>
#include <aws/core/http/HttpClient.h>
#include <aws/core/http/HttpResponse.h>
#include <aws/core/http/URI.h>
#include <aws/core/utils/json/JsonSerializer.h>
#include <aws/core/utils/Outcome.h>
#include <aws/core/utils/xml/XmlSerializer.h>
#include <aws/core/utils/memory/stl/AWSStringStream.h>
#include <aws/core/utils/logging/LogMacros.h>
#include <aws/core/utils/event/EventStream.h>
#include <aws/core/utils/UUID.h>
#include <aws/core/monitoring/MonitoringManager.h>
#include <cassert>
using namespace Aws;
using namespace Aws::Client;
using namespace Aws::Http;
using namespace Aws::Utils;
using namespace Aws::Utils::Json;
static const char AWS_JSON_CLIENT_LOG_TAG[] = "AWSJsonClient";
AWSJsonClient::AWSJsonClient(const Aws::Client::ClientConfiguration& configuration,
const std::shared_ptr<Aws::Client::AWSAuthSigner>& signer,
const std::shared_ptr<AWSErrorMarshaller>& errorMarshaller) :
BASECLASS(configuration, signer, errorMarshaller)
{
}
AWSJsonClient::AWSJsonClient(const Aws::Client::ClientConfiguration& configuration,
const std::shared_ptr<Aws::Auth::AWSAuthSignerProvider>& signerProvider,
const std::shared_ptr<AWSErrorMarshaller>& errorMarshaller) :
BASECLASS(configuration, signerProvider, errorMarshaller)
{
}
JsonOutcome AWSJsonClient::MakeRequest(const Aws::AmazonWebServiceRequest& request,
const Aws::Endpoint::AWSEndpoint& endpoint,
Http::HttpMethod method /* = Http::HttpMethod::HTTP_POST */,
const char* signerName /* = Aws::Auth::NULL_SIGNER */,
const char* signerRegionOverride /* = nullptr */,
const char* signerServiceNameOverride /* = nullptr */) const
{
const Aws::Http::URI& uri = endpoint.GetURI();
if (endpoint.GetAttributes()) {
signerName = endpoint.GetAttributes()->authScheme.GetName().c_str();
if (endpoint.GetAttributes()->authScheme.GetSigningRegion()) {
signerRegionOverride = endpoint.GetAttributes()->authScheme.GetSigningRegion()->c_str();
}
if (endpoint.GetAttributes()->authScheme.GetSigningRegionSet()) {
signerRegionOverride = endpoint.GetAttributes()->authScheme.GetSigningRegionSet()->c_str();
}
if (endpoint.GetAttributes()->authScheme.GetSigningName()) {
signerServiceNameOverride = endpoint.GetAttributes()->authScheme.GetSigningName()->c_str();
}
}
return MakeRequest(uri, request, method, signerName, signerRegionOverride, signerServiceNameOverride);
}
JsonOutcome AWSJsonClient::MakeRequest(const Aws::Endpoint::AWSEndpoint& endpoint,
Http::HttpMethod method /* = Http::HttpMethod::HTTP_POST */,
const char* signerName /* = Aws::Auth::NULL_SIGNER */,
const char* signerRegionOverride /* = nullptr */,
const char* signerServiceNameOverride /* = nullptr */) const
{
const Aws::Http::URI& uri = endpoint.GetURI();
if (endpoint.GetAttributes()) {
signerName = endpoint.GetAttributes()->authScheme.GetName().c_str();
if (endpoint.GetAttributes()->authScheme.GetSigningRegion()) {
signerRegionOverride = endpoint.GetAttributes()->authScheme.GetSigningRegion()->c_str();
}
if (endpoint.GetAttributes()->authScheme.GetSigningRegionSet()) {
signerRegionOverride = endpoint.GetAttributes()->authScheme.GetSigningRegionSet()->c_str();
}
if (endpoint.GetAttributes()->authScheme.GetSigningName()) {
signerServiceNameOverride = endpoint.GetAttributes()->authScheme.GetSigningName()->c_str();
}
}
return MakeRequest(uri, method, signerName, signerRegionOverride, signerServiceNameOverride);
}
JsonOutcome AWSJsonClient::MakeRequest(const Aws::Http::URI& uri,
const Aws::AmazonWebServiceRequest& request,
Http::HttpMethod method,
const char* signerName,
const char* signerRegionOverride,
const char* signerServiceNameOverride) const
{
HttpResponseOutcome httpOutcome(BASECLASS::AttemptExhaustively(uri, request, method, signerName, signerRegionOverride, signerServiceNameOverride));
if (!httpOutcome.IsSuccess())
{
return JsonOutcome(std::move(httpOutcome));
}
if (httpOutcome.GetResult()->GetResponseBody().tellp() > 0)
//this is stupid, but gcc doesn't pick up the covariant on the dereference so we have to give it a little hint.
return JsonOutcome(AmazonWebServiceResult<JsonValue>(JsonValue(httpOutcome.GetResult()->GetResponseBody()),
httpOutcome.GetResult()->GetHeaders(),
httpOutcome.GetResult()->GetResponseCode()));
else
return JsonOutcome(AmazonWebServiceResult<JsonValue>(JsonValue(), httpOutcome.GetResult()->GetHeaders()));
}
JsonOutcome AWSJsonClient::MakeRequest(const Aws::Http::URI& uri,
Http::HttpMethod method,
const char* signerName,
const char* requestName,
const char* signerRegionOverride,
const char* signerServiceNameOverride) const
{
HttpResponseOutcome httpOutcome(BASECLASS::AttemptExhaustively(uri, method, signerName, requestName, signerRegionOverride, signerServiceNameOverride));
if (!httpOutcome.IsSuccess())
{
return JsonOutcome(std::move(httpOutcome));
}
if (httpOutcome.GetResult()->GetResponseBody().tellp() > 0)
{
JsonValue jsonValue(httpOutcome.GetResult()->GetResponseBody());
if (!jsonValue.WasParseSuccessful())
{
return JsonOutcome(AWSError<CoreErrors>(CoreErrors::UNKNOWN, "Json Parser Error", jsonValue.GetErrorMessage(), false));
}
//this is stupid, but gcc doesn't pick up the covariant on the dereference so we have to give it a little hint.
return JsonOutcome(AmazonWebServiceResult<JsonValue>(std::move(jsonValue),
httpOutcome.GetResult()->GetHeaders(),
httpOutcome.GetResult()->GetResponseCode()));
}
return JsonOutcome(AmazonWebServiceResult<JsonValue>(JsonValue(), httpOutcome.GetResult()->GetHeaders()));
}
JsonOutcome AWSJsonClient::MakeEventStreamRequest(std::shared_ptr<Aws::Http::HttpRequest>& request) const
{
// request is assumed to be signed
std::shared_ptr<HttpResponse> httpResponse = MakeHttpRequest(request);
if (DoesResponseGenerateError(httpResponse))
{
AWS_LOGSTREAM_DEBUG(AWS_JSON_CLIENT_LOG_TAG, "Request returned error. Attempting to generate appropriate error codes from response");
auto error = BuildAWSError(httpResponse);
return JsonOutcome(std::move(error));
}
AWS_LOGSTREAM_DEBUG(AWS_JSON_CLIENT_LOG_TAG, "Request returned successful response.");
HttpResponseOutcome httpOutcome(std::move(httpResponse));
if (httpOutcome.GetResult()->GetResponseBody().tellp() > 0)
{
JsonValue jsonValue(httpOutcome.GetResult()->GetResponseBody());
if (!jsonValue.WasParseSuccessful())
{
return JsonOutcome(AWSError<CoreErrors>(CoreErrors::UNKNOWN, "Json Parser Error", jsonValue.GetErrorMessage(), false));
}
//this is stupid, but gcc doesn't pick up the covariant on the dereference so we have to give it a little hint.
return JsonOutcome(AmazonWebServiceResult<JsonValue>(std::move(jsonValue),
httpOutcome.GetResult()->GetHeaders(),
httpOutcome.GetResult()->GetResponseCode()));
}
return JsonOutcome(AmazonWebServiceResult<JsonValue>(JsonValue(), httpOutcome.GetResult()->GetHeaders()));
}
AWSError<CoreErrors> AWSJsonClient::BuildAWSError(
const std::shared_ptr<Aws::Http::HttpResponse>& httpResponse) const
{
AWSError<CoreErrors> error;
if (httpResponse->HasClientError())
{
bool retryable = httpResponse->GetClientErrorType() == CoreErrors::NETWORK_CONNECTION ? true : false;
error = AWSError<CoreErrors>(httpResponse->GetClientErrorType(), "", httpResponse->GetClientErrorMessage(), retryable);
}
else if (!httpResponse->GetResponseBody() || httpResponse->GetResponseBody().tellp() < 1)
{
auto responseCode = httpResponse->GetResponseCode();
auto errorCode = AWSClient::GuessBodylessErrorType(responseCode);
Aws::StringStream ss;
ss << "No response body.";
error = AWSError<CoreErrors>(errorCode, "", ss.str(),
IsRetryableHttpResponseCode(responseCode));
}
else
{
assert(httpResponse->GetResponseCode() != HttpResponseCode::OK);
error = GetErrorMarshaller()->Marshall(*httpResponse);
}
error.SetResponseHeaders(httpResponse->GetHeaders());
error.SetResponseCode(httpResponse->GetResponseCode());
error.SetRemoteHostIpAddress(httpResponse->GetOriginatingRequest().GetResolvedRemoteHost());
AWS_LOGSTREAM_ERROR(AWS_JSON_CLIENT_LOG_TAG, error);
return error;
}
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