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vendor/mihaildev/yii2-elfinder/php/plugins/Normalizer/plugin.php 3.1 KB
ad2e91f7   Mihail   move multyparser ...
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  <?php
  /**
   * elFinder Plugin Normalizer
   * 
   * UTF-8 Normalizer of file-name and file-path etc.
   * nfc(NFC): Canonical Decomposition followed by Canonical Composition
   * nfkc(NFKC): Compatibility Decomposition followed by Canonical
   * 
   * This plugin require Class "Normalizer" (PHP 5 >= 5.3.0, PECL intl >= 1.0.0)
   * or PEAR package "I18N_UnicodeNormalizer"
   * 
   * ex. binding, configure on connector options
   *	$opts = array(
   *		'bind' => array(
   *			'mkdir.pre mkfile.pre rename.pre' => array(
   *				'Plugin.Normalizer.cmdPreprocess'
   *			),
   *			'upload.presave' => array(
   *				'Plugin.Normalizer.onUpLoadPreSave'
   *			)
   *		),
   *		// global configure (optional)
   *		'plugin' => array(
   *			'Normalizer' => array(
   *				'enable' => true,
   *				'nfc'    => true,
   *				'nfkc'   => true
   *			)
   *		),
   *		// each volume configure (optional)
   *		'roots' => array(
   *			array(
   *				'driver' => 'LocalFileSystem',
   *				'path'   => '/path/to/files/',
   *				'URL'    => 'http://localhost/to/files/'
   *				'plugin' => array(
   *					'Normalizer' => array(
   *						'enable' => true,
   *						'nfc'    => true,
   *						'nfkc'   => true
   *					)
   *				)
   *			)
   *		)
   *	);
   *
   * @package elfinder
   * @author Naoki Sawada
   * @license New BSD
   */
  class elFinderPluginNormalizer
  {
  	private $opts = array();
  	
  	public function __construct($opts) {
  		$defaults = array(
  			'enable' => true, // For control by volume driver
  			'nfc'    => true, // Canonical Decomposition followed by Canonical Composition
  			'nfkc'   => true  // Compatibility Decomposition followed by Canonical
  		);
  	
  		$this->opts = array_merge($defaults, $opts);
  	}
  	
  	public function cmdPreprocess($cmd, &$args, $elfinder, $volume) {
  		$opts = $this->getOpts($volume);
  		if (! $opts['enable']) {
  			return false;
  		}
  		
  		if (isset($args['name'])) {
  			$args['name'] = $this->normalize($args['name'], $opts);
  		}
  		return true;
  	}
  	
  	public function onUpLoadPreSave(&$path, &$name, $src, $elfinder, $volume) {
  		$opts = $this->getOpts($volume);
  		if (! $opts['enable']) {
  			return false;
  		}
  		
  		if ($path) {
  			$path = $this->normalize($path, $opts);
  		}
  		$name = $this->normalize($name, $opts);
  		return true;
  	}
  	
  	private function getOpts($volume) {
  		$opts = $this->opts;
  		if (is_object($volume)) {
  			$volOpts = $volume->getOptionsPlugin('Normalizer');
  			if (is_array($volOpts)) {
  				$opts = array_merge($this->opts, $volOpts);
  			}
  		}
  		return $opts;
  	}
  	
  	private function normalize($str, $opts) {
  		if (class_exists('Normalizer')) {
  			if ($opts['nfc'] && ! Normalizer::isNormalized($str, Normalizer::FORM_C))
  				$str = Normalizer::normalize($str, Normalizer::FORM_C);
  			if ($opts['nfkc'] && ! Normalizer::isNormalized($str, Normalizer::FORM_KC))
  				$str = Normalizer::normalize($str, Normalizer::FORM_KC);
  		} else {
  			if (! class_exists('I18N_UnicodeNormalizer')) {
  				@ include_once 'I18N/UnicodeNormalizer.php';
  			}
  			if (class_exists('I18N_UnicodeNormalizer')) {
  				$normalizer = new I18N_UnicodeNormalizer();
  				if ($opts['nfc'])
  					$str = $normalizer->normalize($str, 'NFC');
  				if ($opts['nfkc'])
  					$str = $normalizer->normalize($str, 'NFKC');
  			}
  		}
  		return $str;
  	}
  }