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<?php |
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/** |
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* Copyright (C) 2016 SURFnet. |
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* |
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* This program is free software: you can redistribute it and/or modify |
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* it under the terms of the GNU Affero General Public License as |
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* published by the Free Software Foundation, either version 3 of the |
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* License, or (at your option) any later version. |
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* |
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* This program is distributed in the hope that it will be useful, |
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* but WITHOUT ANY WARRANTY; without even the implied warranty of |
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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* GNU Affero General Public License for more details. |
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* |
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* You should have received a copy of the GNU Affero General Public License |
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* along with this program. If not, see <http://www.gnu.org/licenses/>. |
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*/ |
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namespace SURFnet\VPN\Common; |
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use Symfony\Component\Yaml\Yaml; |
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use SURFnet\VPN\Common\Exception\ConfigException; |
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use InvalidArgumentException; |
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use RuntimeException; |
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class Config |
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{ |
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/** @var array */ |
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protected $configData; |
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public function __construct(array $configData) |
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{ |
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$this->configData = array_merge(static::defaultConfig(), $configData); |
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} |
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public static function defaultConfig() |
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{ |
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return []; |
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} |
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/** |
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* Get a configuration value. |
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*/ |
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public function v() |
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{ |
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$argv = func_get_args(); |
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// if no parameters are requested, return everything |
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if (0 === count($argv)) { |
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return $this->configData; |
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} |
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$configPointer = $this->configData; |
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foreach ($argv as $arg) { |
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if (!is_string($arg)) { |
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throw new InvalidArgumentException('requested configuration field must be string'); |
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} |
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if (!is_array($configPointer) || !array_key_exists($arg, $configPointer)) { |
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throw new ConfigException(sprintf('missing configuration field "%s"', implode(',', $argv))); |
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} |
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$configPointer = $configPointer[$arg]; |
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} |
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return $configPointer; |
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} |
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/** |
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* Check if a configuration value exists. |
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*/ |
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public function e() |
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{ |
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$argv = func_get_args(); |
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if (0 === count($argv)) { |
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return true; |
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} |
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$configPointer = $this->configData; |
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foreach ($argv as $arg) { |
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if (!is_string($arg)) { |
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throw new InvalidArgumentException('requested configuration field must be string'); |
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} |
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if (!is_array($configPointer) || !array_key_exists($arg, $configPointer)) { |
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return false; |
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} |
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$configPointer = $configPointer[$arg]; |
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} |
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return true; |
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} |
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public static function fromFile($configFile) |
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{ |
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$fileContent = FileIO::readFile($configFile); |
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$parsedConfig = Yaml::parse($fileContent); |
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if (!is_array($parsedConfig)) { |
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throw new RuntimeException(sprintf('invalid configuration file format in "%s"', $configFile)); |
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} |
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return new static($parsedConfig); |
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} |
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public static function toFile($configFile, array $configData) |
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{ |
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$yamlData = Yaml::dump($configData); |
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FileIO::writeFile($configFile, $yamlData); |
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} |
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} |
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eduvpn /
vpn-lib-common
