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/**
* Copyright (C) 2020-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.
*/
#include "mongo/util/net/ssl_util.h"
#include "mongo/util/str.h"
namespace mongo {
namespace ssl_util {
StatusWith<StringData> findPEMBlob(StringData blob,
StringData type,
size_t position,
bool allowEmpty) {
std::string header = str::stream() << "-----BEGIN " << type << "-----";
std::string trailer = str::stream() << "-----END " << type << "-----";
size_t headerPosition = blob.find(header, position);
if (headerPosition == std::string::npos) {
if (allowEmpty) {
return StringData();
} else {
return Status(ErrorCodes::InvalidSSLConfiguration,
str::stream() << "Failed to find PEM blob header: " << header);
}
}
size_t trailerPosition = blob.find(trailer, headerPosition);
if (trailerPosition == std::string::npos) {
return Status(ErrorCodes::InvalidSSLConfiguration,
str::stream() << "Failed to find PEM blob trailer: " << trailer);
}
trailerPosition += trailer.size();
return StringData(blob.rawData() + headerPosition, trailerPosition - headerPosition);
}
StatusWith<std::string> readPEMFile(StringData fileName) {
// Calling `toString()` is necessary as `fileName` does not have to be null-terminated.
std::ifstream pemFile(fileName.toString(), std::ios::binary);
if (!pemFile.is_open()) {
return Status(ErrorCodes::InvalidSSLConfiguration,
fmt::format("Failed to open PEM file: {}", fileName));
}
std::string buf((std::istreambuf_iterator<char>(pemFile)), std::istreambuf_iterator<char>());
pemFile.close();
return buf;
}
} // namespace ssl_util
} // namespace mongo
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