fgerlits commented on a change in pull request #914: URL: https://github.com/apache/nifi-minifi-cpp/pull/914#discussion_r504012960
########## File path: encrypt-config/ConfigFile.cpp ########## @@ -0,0 +1,171 @@ +/** + * Licensed to the Apache Software Foundation (ASF) under one or more + * contributor license agreements. See the NOTICE file distributed with + * this work for additional information regarding copyright ownership. + * The ASF licenses this file to You under the Apache License, Version 2.0 + * (the "License"); you may not use this file except in compliance with + * the License. You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + +#include "ConfigFile.h" + +#include <algorithm> +#include <fstream> +#include <utility> + +#include "utils/StringUtils.h" + +namespace { +constexpr std::array<const char*, 2> DEFAULT_SENSITIVE_PROPERTIES{"nifi.security.client.pass.phrase", + "nifi.rest.api.password"}; +constexpr const char* ADDITIONAL_SENSITIVE_PROPS_PROPERTY_NAME = "nifi.sensitive.props.additional.keys"; +} // namespace + +namespace org { +namespace apache { +namespace nifi { +namespace minifi { +namespace encrypt_config { + +ConfigLine::ConfigLine(std::string line) : line_(line) { + line = utils::StringUtils::trim(line); + if (line.empty() || line[0] == '#') { return; } + + size_t index_of_first_equals_sign = line.find('='); + if (index_of_first_equals_sign == std::string::npos) { return; } + + std::string key = utils::StringUtils::trim(line.substr(0, index_of_first_equals_sign)); + if (key.empty()) { return; } + + key_ = key; + value_ = utils::StringUtils::trim(line.substr(index_of_first_equals_sign + 1)); +} + +ConfigLine::ConfigLine(std::string key, std::string value) + : line_{utils::StringUtils::join_pack(key, "=", value)}, key_{std::move(key)}, value_{std::move(value)} { +} + +void ConfigLine::updateValue(const std::string& value) { + auto pos = line_.find('='); + if (pos != std::string::npos) { + line_.replace(pos + 1, std::string::npos, value); + value_ = value; + } else { + throw std::invalid_argument{"Cannot update value in config line: it does not contain an = sign!"}; + } +} + +ConfigFile::ConfigFile(std::istream& input_stream) { + std::string line; + while (std::getline(input_stream, line)) { + config_lines_.push_back(ConfigLine{line}); + } +} + +ConfigFile::Lines::const_iterator ConfigFile::findKey(const std::string& key) const { + return std::find_if(config_lines_.cbegin(), config_lines_.cend(), [&key](const ConfigLine& config_line) { + return config_line.getKey() == key; + }); +} + +ConfigFile::Lines::iterator ConfigFile::findKey(const std::string& key) { + return std::find_if(config_lines_.begin(), config_lines_.end(), [&key](const ConfigLine& config_line) { + return config_line.getKey() == key; + }); +} + +bool ConfigFile::hasValue(const std::string& key) const { + const auto it = findKey(key); + return (it != config_lines_.end()); +} + +utils::optional<std::string> ConfigFile::getValue(const std::string& key) const { + const auto it = findKey(key); + if (it != config_lines_.end()) { + return it->getValue(); + } else { + return utils::nullopt; + } +} + +void ConfigFile::update(const std::string& key, const std::string& value) { + auto it = findKey(key); + if (it != config_lines_.end()) { + it->updateValue(value); + } else { + throw std::invalid_argument{"Key " + key + " not found in the config file!"}; + } +} + +void ConfigFile::insertAfter(const std::string& after_key, const std::string& key, const std::string& value) { + auto it = findKey(after_key); + if (it != config_lines_.end()) { + ++it; + config_lines_.emplace(it, key, value); + } else { + throw std::invalid_argument{"Key " + after_key + " not found in the config file!"}; + } +} + +void ConfigFile::append(const std::string& key, const std::string& value) { + config_lines_.emplace_back(key, value); +} + +int ConfigFile::erase(const std::string& key) { + auto has_this_key = [&key](const ConfigLine& line) { return line.getKey() == key; }; + auto new_end = std::remove_if(config_lines_.begin(), config_lines_.end(), has_this_key); + auto num_removed = std::distance(new_end, config_lines_.end()); + config_lines_.erase(new_end, config_lines_.end()); + return gsl::narrow<int>(num_removed); +} + +void ConfigFile::writeTo(const std::string& file_path) const { + std::ofstream file{file_path}; Review comment: done: https://github.com/apache/nifi-minifi-cpp/pull/914/commits/ec7277ca5be16565d25738d23f898d7e46608c5c ---------------------------------------------------------------- This is an automated message from the Apache Git Service. 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