155 lines
3.4 KiB
PHP
155 lines
3.4 KiB
PHP
<?php
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namespace crmeb\services\upload;
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class XML
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{
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/**
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* XML to array.
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*
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* @param string $xml XML string
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*
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* @return array
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*/
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public static function parse($xml)
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{
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$backup = PHP_MAJOR_VERSION < 8 ? libxml_disable_entity_loader(true) : null;
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$result = self::normalize(simplexml_load_string(self::sanitize($xml), 'SimpleXMLElement', LIBXML_COMPACT | LIBXML_NOCDATA | LIBXML_NOBLANKS));
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PHP_MAJOR_VERSION < 8 && libxml_disable_entity_loader($backup);
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return $result;
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}
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/**
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* XML encode.
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*
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* @param mixed $data
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* @param string $root
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* @param string $item
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* @param string $attr
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* @param string $id
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*
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* @return string
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*/
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public static function build(
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$data,
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$root = 'xml',
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$item = 'item',
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$attr = '',
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$id = 'id'
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)
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{
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if (is_array($attr)) {
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$_attr = [];
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foreach ($attr as $key => $value) {
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$_attr[] = "{$key}=\"{$value}\"";
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}
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$attr = implode(' ', $_attr);
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}
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$attr = trim($attr);
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$attr = empty($attr) ? '' : " {$attr}";
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$xml = "<{$root}{$attr}>";
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$xml .= self::data2Xml($data, $item, $id);
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$xml .= "</{$root}>";
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return $xml;
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}
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/**
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* Build CDATA.
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*
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* @param string $string
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*
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* @return string
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*/
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public static function cdata($string)
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{
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return sprintf('<![CDATA[%s]]>', $string);
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}
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/**
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* Object to array.
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*
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*
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* @param SimpleXMLElement $obj
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*
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* @return array
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*/
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protected static function normalize($obj)
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{
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$result = null;
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if (is_object($obj)) {
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$obj = (array)$obj;
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}
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if (is_array($obj)) {
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foreach ($obj as $key => $value) {
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$res = self::normalize($value);
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if (('@attributes' === $key) && ($key)) {
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$result = $res; // @codeCoverageIgnore
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} else {
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$result[$key] = $res;
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}
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}
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} else {
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$result = $obj;
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}
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return $result;
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}
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/**
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* Array to XML.
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*
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* @param array $data
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* @param string $item
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* @param string $id
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*
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* @return string
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*/
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protected static function data2Xml($data, $item = 'item', $id = 'id')
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{
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$xml = $attr = '';
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foreach ($data as $key => $val) {
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if (is_numeric($key)) {
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$id && $attr = " {$id}=\"{$key}\"";
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$key = $item;
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}
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$xml .= "<{$key}{$attr}>";
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if ((is_array($val) || is_object($val))) {
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$xml .= self::data2Xml((array)$val, $item, $id);
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} else {
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$xml .= is_numeric($val) ? $val : self::cdata($val);
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}
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$xml .= "</{$key}>";
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}
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return $xml;
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}
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/**
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* Delete invalid characters in XML.
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*
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* @see https://www.w3.org/TR/2008/REC-xml-20081126/#charsets - XML charset range
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* @see http://php.net/manual/en/regexp.reference.escape.php - escape in UTF-8 mode
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*
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* @param string $xml
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*
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* @return string
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*/
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public static function sanitize($xml)
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{
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return preg_replace('/[^\x{9}\x{A}\x{D}\x{20}-\x{D7FF}\x{E000}-\x{FFFD}\x{10000}-\x{10FFFF}]+/u', '', $xml);
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}
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}
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