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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(
* 'upload.pre mkdir.pre mkfile.pre rename.pre archive.pre ls.pre' => array(
* 'Plugin.Normalizer.cmdPreprocess'
* ),
* 'ls' => array(
* 'Plugin.Normalizer.cmdPostprocess'
* ),
* 'upload.presave' => array(
* 'Plugin.Normalizer.onUpLoadPreSave'
* )
* ),
* // global configure (optional)
* 'plugin' => array(
* 'Normalizer' => array(
* 'enable' => true,
* 'nfc' => true,
* 'nfkc' => true,
* 'umlauts' => false,
* 'lowercase' => false,
* 'convmap' => array()
* )
* ),
* // 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,
* 'umlauts' => false,
* 'lowercase' => false,
* 'convmap' => array()
* )
* )
* )
* )
* );
*
* @package elfinder
* @author Naoki Sawada
* @license New BSD
*/
class elFinderPluginNormalizer extends elFinderPlugin
{
private $replaced = array();
private $keyMap = array(
'ls' => 'intersect',
'upload' => 'renames'
);
public function __construct($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
'umlauts' => false, // Convert umlauts with their closest 7 bit ascii equivalent
'lowercase' => false, // Make chars lowercase
'convmap' => array()// Convert map ('FROM' => 'TO') array
);
$this->opts = array_merge($defaults, $opts);
}
public function cmdPreprocess($cmd, &$args, $elfinder, $volume) {
$opts = $this->getCurrentOpts($volume);
if (! $opts['enable']) {
return false;
}
$this->replaced[$cmd] = array();
$key = (isset($this->keyMap[$cmd]))? $this->keyMap[$cmd] : 'name';
if (isset($args[$key])) {
if (is_array($args[$key])) {
foreach($args[$key] as $i => $name) {
$this->replaced[$cmd][$name] = $args[$key][$i] = $this->normalize($name, $opts);
}
} else {
$name = $args[$key];
$this->replaced[$cmd][$name] = $args[$key] = $this->normalize($name, $opts);
}
}
return true;
}
public function cmdPostprocess($cmd, &$result, $args, $elfinder) {
if ($cmd === 'ls') {
if (! empty($result['list']) && ! empty($this->replaced['ls'])) {
foreach($result['list'] as $hash => $name) {
if ($keys = array_keys($this->replaced['ls'], $name)) {
if (count($keys) === 1) {
$result['list'][$hash] = $keys[0];
} else {
$result['list'][$hash] = $keys;
}
}
}
}
}
}
// NOTE: $thash is directory hash so it unneed to process at here
public function onUpLoadPreSave(&$thash, &$name, $src, $elfinder, $volume) {
$opts = $this->getCurrentOpts($volume);
if (! $opts['enable']) {
return false;
}
$name = $this->normalize($name, $opts);
return true;
}
private function normalize($str, $opts) {
if ($opts['nfc'] || $opts['nfkc']) {
if (class_exists('Normalizer', false)) {
if ($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', false)) {
include_once 'I18N/UnicodeNormalizer.php';
}
if (class_exists('I18N_UnicodeNormalizer', false)) {
$normalizer = new I18N_UnicodeNormalizer();
if ($opts['nfc'])
$str = $normalizer->normalize($str, 'NFC');
if ($opts['nfkc'])
$str = $normalizer->normalize($str, 'NFKC');
}
}
}
if ($opts['umlauts']) {
if (strpos($str = htmlentities($str, ENT_QUOTES, 'UTF-8'), '&') !== false) {
$str = html_entity_decode(preg_replace('~&([a-z]{1,2})(?:acute|cedil|circ|grave|lig|orn|ring|slash|tilde|uml);~i', '$1', $str), ENT_QUOTES, 'utf-8');
}
}
if ($opts['convmap'] && is_array($opts['convmap'])) {
$str = strtr($str, $opts['convmap']);
}
if ($opts['lowercase']) {
if (function_exists('mb_strtolower')) {
$str = mb_strtolower($str, 'UTF-8');
} else {
$str = strtolower($str);
}
}
return $str;
}
}
|