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120 lines
3.3 KiB
120 lines
3.3 KiB
<?php |
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/** |
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* elFinder Plugin Sanitizer |
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* |
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* Sanitizer of file-name and file-path etc. |
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* |
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* ex. binding, configure on connector options |
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* $opts = array( |
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* 'bind' => array( |
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* 'upload.pre mkdir.pre mkfile.pre rename.pre archive.pre ls.pre' => array( |
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* 'Plugin.Sanitizer.cmdPreprocess' |
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* ), |
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* 'ls' => array( |
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* 'Plugin.Sanitizer.cmdPostprocess' |
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* ), |
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* 'upload.presave' => array( |
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* 'Plugin.Sanitizer.onUpLoadPreSave' |
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* ) |
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* ), |
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* // global configure (optional) |
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* 'plugin' => array( |
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* 'Sanitizer' => array( |
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* 'enable' => true, |
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* 'targets' => array('\\','/',':','*','?','"','<','>','|'), // target chars |
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* 'replace' => '_' // replace to this |
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* ) |
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* ), |
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* // each volume configure (optional) |
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* 'roots' => array( |
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* array( |
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* 'driver' => 'LocalFileSystem', |
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* 'path' => '/path/to/files/', |
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* 'URL' => 'http://localhost/to/files/' |
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* 'plugin' => array( |
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* 'Sanitizer' => array( |
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* 'enable' => true, |
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* 'targets' => array('\\','/',':','*','?','"','<','>','|'), // target chars |
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* 'replace' => '_' // replace to this |
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* ) |
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* ) |
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* ) |
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* ) |
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* ); |
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* |
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* @package elfinder |
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* @author Naoki Sawada |
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* @license New BSD |
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*/ |
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class elFinderPluginSanitizer extends elFinderPlugin |
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{ |
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private $replaced = array(); |
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private $keyMap = array( |
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'ls' => 'intersect', |
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'upload' => 'renames' |
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); |
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public function __construct($opts) { |
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$defaults = array( |
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'enable' => true, // For control by volume driver |
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'targets' => array('\\','/',':','*','?','"','<','>','|'), // target chars |
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'replace' => '_', // replace to this |
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'pathAllows' => array('/') // Characters allowed in path name of characters in `targets` array |
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); |
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$this->opts = array_merge($defaults, $opts); |
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} |
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public function cmdPreprocess($cmd, &$args, $elfinder, $volume) { |
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$opts = $this->getCurrentOpts($volume); |
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if (! $opts['enable']) { |
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return false; |
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} |
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$this->replaced[$cmd] = array(); |
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$key = (isset($this->keyMap[$cmd]))? $this->keyMap[$cmd] : 'name'; |
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if (isset($args[$key])) { |
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if (is_array($args[$key])) { |
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foreach($args[$key] as $i => $name) { |
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$this->replaced[$cmd][$name] = $args[$key][$i] = $this->sanitizeFileName($name, $opts); |
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} |
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} else { |
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$name = $args[$key]; |
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$this->replaced[$cmd][$name] = $args[$key] = $this->sanitizeFileName($name, $opts); |
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} |
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} |
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return true; |
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} |
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public function cmdPostprocess($cmd, &$result, $args, $elfinder) { |
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if ($cmd === 'ls') { |
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if (! empty($result['list']) && ! empty($this->replaced['ls'])) { |
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foreach($result['list'] as $hash => $name) { |
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if ($keys = array_keys($this->replaced['ls'], $name)) { |
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if (count($keys) === 1) { |
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$result['list'][$hash] = $keys[0]; |
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} else { |
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$result['list'][$hash] = $keys; |
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} |
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} |
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} |
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} |
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} |
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} |
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// NOTE: $thash is directory hash so it unneed to process at here |
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public function onUpLoadPreSave(&$thash, &$name, $src, $elfinder, $volume) { |
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$opts = $this->getCurrentOpts($volume); |
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if (! $opts['enable']) { |
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return false; |
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} |
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$name = $this->sanitizeFileName($name, $opts); |
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return true; |
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} |
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private function sanitizeFileName($filename, $opts, $allows = array()) { |
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$targets = $allows? array_diff($opts['targets'], $allows) : $opts['targets']; |
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return str_replace($targets, $opts['replace'], $filename); |
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} |
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}
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