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/**
* Copyright Amazon.com, Inc. or its affiliates. All Rights Reserved.
* SPDX-License-Identifier: Apache-2.0.
*/
#include <aws/core/client/AWSErrorMarshaller.h>
#include <aws/core/utils/logging/LogMacros.h>
#include <aws/core/utils/json/JsonSerializer.h>
#include <aws/core/utils/xml/XmlSerializer.h>
#include <aws/core/utils/StringUtils.h>
#include <aws/core/client/AWSError.h>
#include <aws/core/client/CoreErrors.h>
using namespace Aws::Utils::Logging;
using namespace Aws::Utils::Json;
using namespace Aws::Utils::Xml;
using namespace Aws::Http;
using namespace Aws::Utils;
using namespace Aws::Client;
static const char AWS_ERROR_MARSHALLER_LOG_TAG[] = "AWSErrorMarshaller";
AWS_CORE_API extern const char MESSAGE_LOWER_CASE[] = "message";
AWS_CORE_API extern const char MESSAGE_CAMEL_CASE[] = "Message";
AWS_CORE_API extern const char ERROR_TYPE_HEADER[] = "x-amzn-ErrorType";
AWS_CORE_API extern const char REQUEST_ID_HEADER[] = "x-amzn-RequestId";
AWS_CORE_API extern const char QUERY_ERROR_HEADER[] = "x-amzn-query-error";
AWS_CORE_API extern const char TYPE[] = "__type";
AWSError<CoreErrors> JsonErrorMarshaller::Marshall(const Aws::Http::HttpResponse& httpResponse) const
{
JsonValue exceptionPayload(httpResponse.GetResponseBody());
JsonView payloadView(exceptionPayload);
AWSError<CoreErrors> error;
if (exceptionPayload.WasParseSuccessful())
{
AWS_LOGSTREAM_TRACE(AWS_ERROR_MARSHALLER_LOG_TAG, "Error response is " << payloadView.WriteReadable());
Aws::String message(payloadView.ValueExists(MESSAGE_CAMEL_CASE) ? payloadView.GetString(MESSAGE_CAMEL_CASE) :
payloadView.ValueExists(MESSAGE_LOWER_CASE) ? payloadView.GetString(MESSAGE_LOWER_CASE) : "");
if (httpResponse.HasHeader(ERROR_TYPE_HEADER))
{
error = Marshall(httpResponse.GetHeader(ERROR_TYPE_HEADER), message);
}
else if (payloadView.ValueExists(TYPE))
{
error = Marshall(payloadView.GetString(TYPE), message);
}
else
{
error = FindErrorByHttpResponseCode(httpResponse.GetResponseCode());
error.SetMessage(message);
}
if (httpResponse.HasHeader(QUERY_ERROR_HEADER))
{
auto errorCodeString = httpResponse.GetHeader(QUERY_ERROR_HEADER);
auto locationOfSemicolon = errorCodeString.find_first_of(';');
Aws::String errorCode;
if (locationOfSemicolon != Aws::String::npos)
{
errorCode = errorCodeString.substr(0, locationOfSemicolon);
}
else
{
errorCode = errorCodeString;
}
error.SetExceptionName(errorCode);
}
}
else
{
error = AWSError<CoreErrors>(CoreErrors::UNKNOWN, "", "Failed to parse error payload", false);
}
error.SetRequestId(httpResponse.HasHeader(REQUEST_ID_HEADER) ? httpResponse.GetHeader(REQUEST_ID_HEADER) : "");
error.SetJsonPayload(std::move(exceptionPayload));
return error;
}
const JsonValue& JsonErrorMarshaller::GetJsonPayloadFromError(const AWSError<CoreErrors>& error) const
{
return error.GetJsonPayload();
}
AWSError<CoreErrors> XmlErrorMarshaller::Marshall(const Aws::Http::HttpResponse& httpResponse) const
{
XmlDocument doc = XmlDocument::CreateFromXmlStream(httpResponse.GetResponseBody());
AWS_LOGSTREAM_TRACE(AWS_ERROR_MARSHALLER_LOG_TAG, "Error response is " << doc.ConvertToString());
bool errorParsed = false;
AWSError<CoreErrors> error;
if (doc.WasParseSuccessful() && !doc.GetRootElement().IsNull())
{
XmlNode errorNode = doc.GetRootElement();
Aws::String requestId(!errorNode.FirstChild("RequestId").IsNull() ? errorNode.FirstChild("RequestId").GetText() :
!errorNode.FirstChild("RequestID").IsNull() ? errorNode.FirstChild("RequestID").GetText() : "");
if (errorNode.GetName() != "Error")
{
errorNode = doc.GetRootElement().FirstChild("Error");
}
if (errorNode.IsNull())
{
errorNode = doc.GetRootElement().FirstChild("Errors");
if(!errorNode.IsNull())
{
errorNode = errorNode.FirstChild("Error");
}
}
if (!errorNode.IsNull())
{
requestId = !requestId.empty() ? requestId : !errorNode.FirstChild("RequestId").IsNull() ? errorNode.FirstChild("RequestId").GetText() :
!errorNode.FirstChild("RequestID").IsNull() ? errorNode.FirstChild("RequestID").GetText() : "";
XmlNode codeNode = errorNode.FirstChild("Code");
XmlNode messageNode = errorNode.FirstChild("Message");
if (!codeNode.IsNull())
{
error = Marshall(StringUtils::Trim(codeNode.GetText().c_str()),
StringUtils::Trim(messageNode.GetText().c_str()));
errorParsed = true;
}
}
error.SetRequestId(requestId);
}
if(!errorParsed)
{
// An error occurred attempting to parse the httpResponse as an XML stream, so we're just
// going to dump the XML parsing error and the http response code as a string
AWS_LOGSTREAM_WARN(AWS_ERROR_MARSHALLER_LOG_TAG, "Unable to generate a proper httpResponse from the response "
"stream. Response code: " << static_cast< uint32_t >(httpResponse.GetResponseCode()));
error = FindErrorByHttpResponseCode(httpResponse.GetResponseCode());
}
error.SetXmlPayload(std::move(doc));
return error;
}
const XmlDocument& XmlErrorMarshaller::GetXmlPayloadFromError(const AWSError<CoreErrors>& error) const
{
return error.GetXmlPayload();
}
AWSError<CoreErrors> AWSErrorMarshaller::Marshall(const Aws::String& exceptionName, const Aws::String& message) const
{
if(exceptionName.empty())
{
return AWSError<CoreErrors>(CoreErrors::UNKNOWN, "", message, false);
}
auto locationOfPound = exceptionName.find_first_of('#');
auto locationOfColon = exceptionName.find_first_of(':');
Aws::String formalExceptionName;
if (locationOfPound != Aws::String::npos)
{
formalExceptionName = exceptionName.substr(locationOfPound + 1);
}
else if (locationOfColon != Aws::String::npos)
{
formalExceptionName = exceptionName.substr(0, locationOfColon);
}
else
{
formalExceptionName = exceptionName;
}
AWSError<CoreErrors> error = FindErrorByName(formalExceptionName.c_str());
if (error.GetErrorType() != CoreErrors::UNKNOWN)
{
AWS_LOGSTREAM_WARN(AWS_ERROR_MARSHALLER_LOG_TAG, "Encountered AWSError '" << formalExceptionName.c_str() <<
"': " << message.c_str());
error.SetExceptionName(formalExceptionName);
error.SetMessage(message);
return error;
}
AWS_LOGSTREAM_WARN(AWS_ERROR_MARSHALLER_LOG_TAG, "Encountered Unknown AWSError '" << exceptionName.c_str() <<
"': " << message.c_str());
return AWSError<CoreErrors>(CoreErrors::UNKNOWN, exceptionName, "Unable to parse ExceptionName: " + exceptionName + " Message: " + message, false);
}
AWSError<CoreErrors> AWSErrorMarshaller::FindErrorByName(const char* errorName) const
{
return CoreErrorsMapper::GetErrorForName(errorName);
}
AWSError<CoreErrors> AWSErrorMarshaller::FindErrorByHttpResponseCode(Aws::Http::HttpResponseCode code) const
{
return CoreErrorsMapper::GetErrorForHttpResponseCode(code);
}
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