Ver. 3.2

lib/redactor/elfinder/inc/plugins/Sanitizer/plugin.php

@@ -0,0 +1,121 @@
+<?php
+/**
+ * elFinder Plugin Sanitizer
+ *
+ * Sanitizer of file-name and file-path etc.
+ *
+ * ex. binding, configure on connector options
+ *	$opts = array(
+ *		'bind' => array(
+ *			'upload.pre mkdir.pre mkfile.pre rename.pre archive.pre ls.pre' => array(
+ *				'Plugin.Sanitizer.cmdPreprocess'
+ *			),
+ *			'ls' => array(
+ *				'Plugin.Sanitizer.cmdPostprocess'
+ *			),
+ *			'upload.presave' => array(
+ *				'Plugin.Sanitizer.onUpLoadPreSave'
+ *			)
+ *		),
+ *		// global configure (optional)
+ *		'plugin' => array(
+ *			'Sanitizer' => array(
+ *				'enable' => true,
+ *				'targets'  => array('\\','/',':','*','?','"','<','>','|'), // target chars
+ *				'replace'  => '_'    // replace to this
+ *			)
+ *		),
+ *		// each volume configure (optional)
+ *		'roots' => array(
+ *			array(
+ *				'driver' => 'LocalFileSystem',
+ *				'path'   => '/path/to/files/',
+ *				'URL'    => 'http://localhost/to/files/'
+ *				'plugin' => array(
+ *					'Sanitizer' => array(
+ *						'enable' => true,
+ *						'targets'  => array('\\','/',':','*','?','"','<','>','|'), // target chars
+ *						'replace'  => '_'    // replace to this
+ *					)
+ *				)
+ *			)
+ *		)
+ *	);
+ *
+ * @package elfinder
+ * @author Naoki Sawada
+ * @license New BSD
+ */
+class elFinderPluginSanitizer 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
+			'targets'  => array('\\','/',':','*','?','"','<','>','|'), // target chars
+			'replace'  => '_'    // replace to this
+		);
+	
+		$this->opts = array_merge($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] = $this->sanitizeFileName($name, $opts);
+				}
+			} else {
+				$name = $args[$key];
+				$this->replaced[$cmd][$name] = $args[$key] = $this->sanitizeFileName($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] = $keys;
+						}
+					}
+				}
+			}
+		}
+	}
+	
+	public function onUpLoadPreSave(&$path, &$name, $src, $elfinder, $volume) {
+		$opts = $this->getCurrentOpts($volume);
+		if (! $opts['enable']) {
+			return false;
+		}
+	
+		if ($path) {
+			$path = $this->sanitizeFileName($path, $opts, array('/'));
+		}
+		$name = $this->sanitizeFileName($name, $opts);
+		return true;
+	}
+	
+	private function sanitizeFileName($filename, $opts, $allows = array()) {
+		$targets = $allows? array_diff($opts['targets'], $allows) : $opts['targets'];
+		return str_replace($targets, $opts['replace'], $filename);
+  	}
+}