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/**
* Copyright (C) 2019-present MongoDB, Inc.
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the Server Side Public License, version 1,
* as published by MongoDB, Inc.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* Server Side Public License for more details.
*
* You should have received a copy of the Server Side Public License
* along with this program. If not, see
* <http://www.mongodb.com/licensing/server-side-public-license>.
*
* As a special exception, the copyright holders give permission to link the
* code of portions of this program with the OpenSSL library under certain
* conditions as described in each individual source file and distribute
* linked combinations including the program with the OpenSSL library. You
* must comply with the Server Side Public License in all respects for
* all of the code used other than as permitted herein. If you modify file(s)
* with this exception, you may extend this exception to your version of the
* file(s), but you are not obligated to do so. If you do not wish to do so,
* delete this exception statement from your version. If you delete this
* exception statement from all source files in the program, then also delete
* it in the license file.
*/
#pragma once
#include <boost/optional.hpp>
#include <string>
#include <vector>
#include "mongo/base/data_range_cursor.h"
#include "mongo/base/data_type_validated.h"
#include "mongo/base/status_with.h"
#include "mongo/base/string_data.h"
#include "mongo/client/sasl_aws_protocol_common_gen.h"
#include "mongo/rpc/object_check.h"
namespace mongo {
namespace awsIam {
/**
* Common constants shared by AWS client and server code.
*/
/**
* Client and Server Nonce lengths
*/
static constexpr size_t kClientFirstNonceLength = 32;
static constexpr size_t kServerFirstNoncePieceLength = 32;
static constexpr size_t kServerFirstNonceLength =
kClientFirstNonceLength + kServerFirstNoncePieceLength;
static constexpr size_t kMaxStsHostNameLength = 255;
static constexpr auto kMongoServerNonceHeader = "x-mongodb-server-nonce"_sd;
static constexpr auto kMongoGS2CBHeader = "x-mongodb-gs2-cb-flag"_sd;
static constexpr auto kChannelBindingDataHeader = "x-mongodb-channel-binding-data"_sd;
static constexpr auto kChannelBindingTypePrefixHeader = "x-mongodb-channel-type-prefix"_sd;
static constexpr auto kMongoDefaultGS2CBFlag = "n"_sd;
static constexpr auto kAwsServiceName = "sts"_sd;
static constexpr auto kAwsDefaultRegion = "us-east-1"_sd;
static constexpr auto kAwsDefaultStsHost = "sts.amazonaws.com"_sd;
static constexpr auto kXAmzDateHeader = "X-Amz-Date"_sd;
/**
* Deserialize a std::string to an IDL object.
*/
template <typename T>
T convertFromByteString(StringData rawString) {
ConstDataRange cdr(rawString.rawData(), rawString.size());
auto clientFirstBson = cdr.read<Validated<BSONObj>>();
return T::parse(IDLParserContext("sasl"), clientFirstBson);
}
/**
* Convert an IDL object to a std::string
*/
template <typename T>
std::string convertToByteString(T object) {
BSONObj obj = object.toBSON();
return std::string((obj.objdata()), obj.objsize());
}
/**
* AWS Credentials holder
*/
struct AWSCredentials {
AWSCredentials() = default;
/**
* Construct for regular AWS credentials
*/
explicit AWSCredentials(std::string accessKeyIdParam, std::string secretAccessKeyParam)
: accessKeyId(std::move(accessKeyIdParam)),
secretAccessKey(std::move(secretAccessKeyParam)) {}
/**
* Construct for temporary AWS credentials
*/
explicit AWSCredentials(std::string accessKeyIdParam,
std::string secretAccessKeyParam,
std::string sessionTokenParam)
: accessKeyId(std::move(accessKeyIdParam)),
secretAccessKey(std::move(secretAccessKeyParam)),
sessionToken(std::move(sessionTokenParam)) {}
// AWS ACCESS_KEY_ID
std::string accessKeyId;
// AWS SECRET_ACCESS_KEY
std::string secretAccessKey;
// AWS SESSION TOKEN
// Generated for temporary credentials
boost::optional<std::string> sessionToken;
};
} // namespace awsIam
} // namespace mongo
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