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<?php /** This file is part of KCFinder project * * @desc File helper class * @package KCFinder * @version 3.12 * @author Pavel Tzonkov <sunhater@sunhater.com> * @copyright 2010-2014 KCFinder Project * @license http://opensource.org/licenses/GPL-3.0 GPLv3 * @license http://opensource.org/licenses/LGPL-3.0 LGPLv3 * @link http://kcfinder.sunhater.com */ namespace kcfinder; class file { static $MIME = array( 'ai' => 'application/postscript', 'aif' => 'audio/x-aiff', 'aifc' => 'audio/x-aiff', 'aiff' => 'audio/x-aiff', 'avi' => 'video/x-msvideo', 'bin' => 'application/macbinary', 'bmp' => 'image/bmp', 'cpt' => 'application/mac-compactpro', 'css' => 'text/css', 'csv' => 'text/x-comma-separated-values', 'dcr' => 'application/x-director', 'dir' => 'application/x-director', 'doc' => 'application/msword', 'docx' => 'application/vnd.openxmlformats-officedocument.wordprocessingml.document', 'dvi' => 'application/x-dvi', 'dxr' => 'application/x-director', 'eml' => 'message/rfc822', 'eps' => 'application/postscript', 'flv' => 'video/x-flv', 'gif' => 'image/gif', 'gtar' => 'application/x-gtar', 'gz' => 'application/x-gzip', 'hqx' => 'application/mac-binhex40', 'htm' => 'text/html', 'html' => 'text/html', 'jpe' => 'image/jpeg', 'jpeg' => 'image/jpeg', 'jpg' => 'image/jpeg', 'js' => 'application/x-javascript', 'log' => 'text/plain', 'mid' => 'audio/midi', 'midi' => 'audio/midi', 'mif' => 'application/vnd.mif', 'mov' => 'video/quicktime', 'movie' => 'video/x-sgi-movie', 'mp2' => 'audio/mpeg', 'mp3' => 'audio/mpeg', 'mp4' => 'video/mpeg', 'mpe' => 'video/mpeg', 'mpeg' => 'video/mpeg', 'mpg' => 'video/mpeg', 'mpga' => 'audio/mpeg', 'oda' => 'application/oda', 'pdf' => 'application/pdf', 'php' => 'application/x-httpd-php', 'php3' => 'application/x-httpd-php', 'php4' => 'application/x-httpd-php', 'phps' => 'application/x-httpd-php-source', 'phtml' => 'application/x-httpd-php', 'png' => 'image/png', 'ppt' => 'application/powerpoint', 'ps' => 'application/postscript', 'psd' => 'application/x-photoshop', 'qt' => 'video/quicktime', 'ra' => 'audio/x-realaudio', 'ram' => 'audio/x-pn-realaudio', 'rm' => 'audio/x-pn-realaudio', 'rpm' => 'audio/x-pn-realaudio-plugin', 'rtf' => 'text/rtf', 'rtx' => 'text/richtext', 'rv' => 'video/vnd.rn-realvideo', 'shtml' => 'text/html', 'sit' => 'application/x-stuffit', 'smi' => 'application/smil', 'smil' => 'application/smil', 'swf' => 'application/x-shockwave-flash', 'tar' => 'application/x-tar', 'tgz' => 'application/x-tar', 'text' => 'text/plain', 'tif' => 'image/tiff', 'tiff' => 'image/tiff', 'txt' => 'text/plain', 'wav' => 'audio/x-wav', 'wbxml' => 'application/wbxml', 'wmlc' => 'application/wmlc', 'word' => 'application/msword', 'xht' => 'application/xhtml+xml', 'xhtml' => 'application/xhtml+xml', 'xl' => 'application/excel', 'xls' => 'application/excel', 'xlsx' => 'application/vnd.openxmlformats-officedocument.spreadsheetml.sheet', 'xml' => 'text/xml', 'xsl' => 'text/xml', 'zip' => 'application/x-zip' ); /** Checks if the given file is really writable. The standard PHP function * is_writable() does not work properly on Windows servers. * @param string $filename * @return bool */ static function isWritable($filename) { $filename = path::normalize($filename); if (!is_file($filename) || (false === ($fp = @fopen($filename, 'a+')))) return false; fclose($fp); return true; } /** Get the extension from filename * @param string $filename * @param bool $toLower * @return string */ static function getExtension($filename, $toLower=true) { return preg_match('/^.*\.([^\.]*)$/s', $filename, $patt) ? ($toLower ? strtolower($patt[1]) : $patt[1]) : ""; } /** Get MIME type of the given filename. If Fileinfo PHP extension is * available the MIME type will be fetched by the file's content. The * second parameter is optional and defines the magic file path. If you * skip it, the default one will be loaded. * If Fileinfo PHP extension is not available the MIME type will be fetched * by filename extension regarding $MIME property. If the file extension * does not exist there, returned type will be application/octet-stream * @param string $filename * @param string $magic * @return string */ static function getMimeType($filename, $magic=null) { if (class_exists("finfo")) { $finfo = new \finfo(FILEINFO_MIME, $magic); if ($finfo) { $mime = $finfo->file($filename); $mime = substr($mime, 0, strrpos($mime, ";")); return $mime; } } $ext = self::getExtension($filename, true); return isset(self::$MIME[$ext]) ? self::$MIME[$ext] : "application/octet-stream"; } /** Get inexistant filename based on the given filename. If you skip $dir * parameter the directory will be fetched from $filename and returned * value will be full filename path. The third parameter is optional and * defines the template, the filename will be renamed to. Default template * is {name}({sufix}){ext}. Examples: * * file::getInexistantFilename("/my/directory/myfile.txt"); * If myfile.txt does not exist - returns the same path to the file * otherwise returns "/my/directory/myfile(1).txt" * * file::getInexistantFilename("myfile.txt", "/my/directory"); * returns "myfile.txt" or "myfile(1).txt" or "myfile(2).txt" etc... * * file::getInexistantFilename("myfile.txt", "/dir", "{name}[{sufix}]{ext}"); * returns "myfile.txt" or "myfile[1].txt" or "myfile[2].txt" etc... * * @param string $filename * @param string $dir * @param string $tpl * @return string */ static function getInexistantFilename($filename, $dir=null, $tpl=null) { if ($tpl === null) $tpl = "{name}({sufix}){ext}"; $fullPath = ($dir === null); if ($fullPath) $dir = path::normalize(dirname($filename)); else { $fdir = dirname($filename); $dir = strlen($fdir) ? path::normalize("$dir/$fdir") : path::normalize($dir); } $filename = basename($filename); $ext = self::getExtension($filename, false); $name = strlen($ext) ? substr($filename, 0, -strlen($ext) - 1) : $filename; $tpl = str_replace('{name}', $name, $tpl); $tpl = str_replace('{ext}', (strlen($ext) ? ".$ext" : ""), $tpl); $i = 1; $file = "$dir/$filename"; while (file_exists($file)) $file = "$dir/" . str_replace('{sufix}', $i++, $tpl); return $fullPath ? $file : (strlen($fdir) ? "$fdir/" . basename($file) : basename($file)); } /** Normalize given filename. Accented characters becomes non-accented and * removes any other special characters. Usable for non-unicode filesystems * @param $filename * @return string */ static function normalizeFilename($filename) { $string = htmlentities($filename, ENT_QUOTES, 'UTF-8'); if (strpos($string, '&') !== false) $filename = html_entity_decode(preg_replace('~&([a-z]{1,2})(?:acute|cedil|circ|grave|lig|orn|ring|slash|tilde|uml);~i', '$1', $string), ENT_QUOTES, 'UTF-8'); $filename = trim(preg_replace('~[^0-9a-z\.\- ]~i', "_", $filename)); return $filename; } }
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