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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' => '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, $opts);
- return false;
- }
-
- private function getOpts($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;
- }
- }
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