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<?php |
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namespace CyberLine\SystemdState; |
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use CyberLine\SystemdState\Model\ExecCommand; |
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class Parser |
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{ |
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private static $arrayTypes = [ |
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'After', |
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'Before', |
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'Requires', |
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'Conflicts', |
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'WantedBy', |
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'Names', |
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'Wants', |
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'RequiredBy', |
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'RequiredByOverridable', |
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'RequiresMountsFor', |
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'ReadWritePaths', |
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'ReadOnlyPaths', |
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'DropInPaths', |
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'ConflictedBy', |
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'Documentation', |
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'BindsTo', |
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'Triggers', |
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'Features', |
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'UnitPath', |
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'BoundBy', |
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]; |
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private static $execTypes = [ |
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'ExecReload', |
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'ExecStartPre', |
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'ExecStart', |
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'ExecStartPost', |
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'ExecStop', |
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'ExecStopPost', |
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]; |
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/** |
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* @param array $values |
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* @return array|bool|ExecCommand|\DateTimeImmutable|int|mixed|null |
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*/ |
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public static function parseValueByContent(array $values) |
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{ |
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if (!array_key_exists(1, $values)) { |
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return null; |
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} |
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$key = $values[0]; |
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$value = $values[1]; |
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if ($value === '0') { |
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return 0; |
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} |
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if ($value === 'yes') { |
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return true; |
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} |
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if ($value === 'no') { |
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return false; |
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} |
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if ($key === 'Environment') { |
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return self::parseEnvironmentLine($values); |
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} |
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if (in_array($key, self::$execTypes)) { |
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array_shift($values); |
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return self::parseExecLine(implode(' ', $values)); |
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} |
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if (preg_match('/Timestamp$/', $key)) { |
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return \date_create_immutable_from_format('* Y-m-d H:i:s e', $value); |
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} |
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if (in_array($key, self::$arrayTypes)) { |
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return explode(' ', $value); |
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} |
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if (preg_match('/^[1-9][0-9]*$/', $value) && $value < PHP_INT_MAX) { |
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return (int)$value; |
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} |
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return $value; |
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} |
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/** |
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* @param string $line |
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* @return ExecCommand |
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*/ |
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private static function parseExecLine(string $line): ExecCommand |
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{ |
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$pattern = "/^{[ ](?<command>.*)[ ]}$/"; |
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preg_match($pattern, $line, $matches); |
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$execCommand = new ExecCommand; |
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if (!array_key_exists('command', $matches)) { |
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$execCommand->path = $line; |
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return $execCommand; |
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} |
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$explode = array_map('trim', explode(';', $matches['command'])); |
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foreach ($explode as $item) { |
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$split = explode(' ', $item); |
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$array = self::parseExecDetail($split); |
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if (count($array)) { |
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$execCommand->{$array[0]} = $array[1]; |
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} |
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} |
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return $execCommand; |
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} |
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/** |
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* @param array $values |
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* @return array |
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*/ |
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private static function parseExecDetail(array $values): array |
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{ |
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if (in_array($values[0], ['path', 'pid', 'code', 'status'])) { |
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return [ |
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$values[0], |
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self::parseValueByContent($values) |
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]; |
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} |
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if ($values[0] === 'argv[]') { |
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array_shift($values); |
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array_shift($values); |
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return [ |
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'argv', |
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implode(' ', $values), |
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]; |
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} |
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if ($values[0] === 'start_time') { |
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return [ |
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'startTime', |
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$values[1] |
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]; |
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} |
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if ($values[0] === 'stop_time') { |
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return [ |
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'stopTime', |
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$values[1] |
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]; |
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} |
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if ($values[0] === 'ignore_errors') { |
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return [ |
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'ignoreErrors', |
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self::parseValueByContent($values) |
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]; |
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} |
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return []; |
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} |
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/** |
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* @param array $values |
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* @return array |
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*/ |
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private static function parseEnvironmentLine(array $values): array |
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{ |
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array_shift($values); |
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$environments = []; |
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foreach (explode(' ', implode('=', $values)) as $environment) { |
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$explode = explode('=', $environment); |
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$environments[$explode[0]] = self::parseValueByContent($explode); |
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} |
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return $environments; |
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} |
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/** |
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* Used by PHPUnit |
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* |
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* @return array |
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*/ |
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public static function getArrayTypes(): array |
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{ |
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return self::$arrayTypes; |
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} |
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/** |
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* Used by PHPUnit |
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* |
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* @return array |
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*/ |
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public static function getExecTypes(): array |
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{ |
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return self::$execTypes; |
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} |
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} |
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CyberLine /
systemd-state
