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82 lines
2.3 KiB
82 lines
2.3 KiB
<?php declare(strict_types = 0);
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/*
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** Zabbix
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** Copyright (C) 2001-2023 Zabbix SIA
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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 General Public License as published by
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** the Free Software Foundation; either version 2 of the License, or
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** (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 General Public License for more details.
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**
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** You should have received a copy of the GNU General Public License
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** along with this program; if not, write to the Free Software
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** Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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**/
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use Symfony\Component\Yaml\Yaml;
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/**
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* Class for converting YAML data stream to PHP array.
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*/
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class CYamlImportReader extends CImportReader {
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/**
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* Convert YAML data stream to PHP array.
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* Known issues:
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* - Error messages coming from Symfony YAML are not translatable;
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* - Symfony parser incorrectly interprets YAML as JSON;
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* - Symfony parser recognizes patterns (like dates) in unquoted strings which are not supported by Zabbix;
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* - Symfony parser support only one YAML document per file.
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*
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* @param string $string
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*
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* @throws ErrorException
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*
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* @return array
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*/
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public function read($string): array {
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try {
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$data = Yaml::parse($string);
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}
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catch (Exception $exception) {
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throw new ErrorException($exception->getMessage());
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}
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if ($data === null) {
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throw new ErrorException(_s('Cannot read YAML: %1$s.', _('File is empty')));
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}
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elseif (!is_array($data)) {
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throw new ErrorException(_s('Cannot read YAML: %1$s.', _('Invalid YAML file contents')));
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}
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return self::trimEmptyLine($data);
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}
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/**
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* Removes trailing empty line from multiline strings.
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*
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* @param array $data
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*
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* @return array
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*/
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private static function trimEmptyLine(array $data): array {
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foreach ($data as &$value) {
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if (is_array($value)) {
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$value = self::trimEmptyLine($value);
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}
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else if (is_string($value) && $value !== '' && $value[strlen($value) - 1] === "\n") {
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$value = substr($value, 0, -1);
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}
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}
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unset($value);
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return $data;
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}
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}
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