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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 <string>
#include <vector>
#include "mongo/base/string_data.h"
#include "mongo/client/sasl_aws_protocol_common.h"
namespace mongo {
namespace awsIam {
/**
* Generate client first message for AWS Auth.
*
* Returns nonce as out parameter for client to store
*/
std::string generateClientFirst(std::vector<char>* clientNonce);
/**
* Parse AWS Auth server first message and generate client second.
*/
std::string generateClientSecond(StringData serverFirst,
const std::vector<char>& clientNonce,
const AWSCredentials& credentials);
/**
* Get the AWS Role Name from a request to
* http://169.254.169.254/latest/meta-data/iam/security-credentials/
*
* The input is expected to be a simple line that ends in a newline (\n).
*/
std::string parseRoleFromEC2IamSecurityCredentials(StringData data);
/**
* Get the AWS region from a DNS Name
*
* Region by default is "us-east-1" since this is the implicit region for "sts.amazonaws.com".
*
* Host Region
* sts.amazonaws.com us-east-1
* first.second.third second
* first.second second
* first us-east-1
*/
std::string getRegionFromHost(StringData host);
/**
* Get a set of AWS Credentials from a request to
* http://169.254.169.254/latest/meta-data/iam/security-credentials/<ROLE_NAME>
*
* where ROLE_NAME comes from parseRoleFromEC2IamSecurityCredentials.
*
* Per
* https://docs.aws.amazon.com/AWSEC2/latest/UserGuide/iam-roles-for-amazon-ec2.html#instance-metadata-security-credentials,
* we expect the following JSON:
*
* {
* "Code" : "Success",
* "LastUpdated" : "DATE",
* "Type" : "AWS-HMAC",
* "AccessKeyId" : "ACCESS_KEY_ID",
* "SecretAccessKey" : "SECRET_ACCESS_KEY",
* "Token" : "SECURITY_TOKEN_STRING",
* "Expiration" : "EXPIRATION_DATE"
* }
*/
AWSCredentials parseCredentialsFromEC2IamSecurityCredentials(StringData data);
/**
* Get a set of AWS Credentials from a request to
* http://169.254.170.2$AWS_CONTAINER_CREDENTIALS_RELATIVE_URI
*
* where AWS_CONTAINER_CREDENTIALS_RELATIVE_URI is an environment variable.
*
* Per https://docs.aws.amazon.com/AmazonECS/latest/developerguide/task-iam-roles.html,
* we expect the following JSON:
*
* {
* "AccessKeyId": "ACCESS_KEY_ID",
* "Expiration": "EXPIRATION_DATE",
* "RoleArn": "TASK_ROLE_ARN",
* "SecretAccessKey": "SECRET_ACCESS_KEY",
* "Token": "SECURITY_TOKEN_STRING"
* }
*/
AWSCredentials parseCredentialsFromECSTaskIamCredentials(StringData data);
} // namespace awsIam
} // namespace mongo
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