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<?php
/** This file is part of KCFinder project
*
* @desc File helper class
* @package KCFinder
* @version 2.51
* @author Pavel Tzonkov <pavelc@users.sourceforge.net>
* @copyright 2010, 2011 KCFinder Project
* @license http://www.opensource.org/licenses/gpl-2.0.php GPLv2
* @license http://www.opensource.org/licenses/lgpl-2.1.php LGPLv2
* @link http://kcfinder.sunhater.com
*/
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',
'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 $dir
* @return bool */
static function isWritable($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 $file
* @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")) {
$finfo = ($magic === null)
? new finfo(FILEINFO_MIME)
: 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));
}
}
?>
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