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<?php
/**
* Created by PhpStorm.
* User: zdev
* Date: 12.01.15
* Time: 23:35
*/
namespace Files\Core\Util;
class PathUtil
{
/**
* get_mime
*
* Returns the mimetype for the specified file
*
* @static
* @param string $filename Filname to get the mime type from
* @param int $mode 0 = full check, 1 = extension check only
*
* @return string the found mimetype or 'application/octet-stream' as fallback
*/
static function get_mime($filename, $mode = 0)
{
// mode 0 = full check
// mode 1 = extension check only
$mime_types = array(
'txt' => 'text/plain',
'htm' => 'text/html',
'html' => 'text/html',
'php' => 'text/html',
'css' => 'text/css',
'js' => 'application/javascript',
'json' => 'application/json',
'xml' => 'application/xml',
'swf' => 'application/x-shockwave-flash',
'flv' => 'video/x-flv',
// images
'png' => 'image/png',
'jpe' => 'image/jpeg',
'jpeg' => 'image/jpeg',
'jpg' => 'image/jpeg',
'gif' => 'image/gif',
'bmp' => 'image/bmp',
'ico' => 'image/vnd.microsoft.icon',
'tiff' => 'image/tiff',
'tif' => 'image/tiff',
'svg' => 'image/svg+xml',
'svgz' => 'image/svg+xml',
// archives
'zip' => 'application/zip',
'rar' => 'application/x-rar-compressed',
'exe' => 'application/x-msdownload',
'msi' => 'application/x-msdownload',
'cab' => 'application/vnd.ms-cab-compressed',
// audio/video
'mp3' => 'audio/mpeg',
'qt' => 'video/quicktime',
'mov' => 'video/quicktime',
'mp4' => 'video/mp4',
'webm' => 'video/webm',
// adobe
'pdf' => 'application/pdf',
'psd' => 'image/vnd.adobe.photoshop',
'ai' => 'application/postscript',
'eps' => 'application/postscript',
'ps' => 'application/postscript',
// ms office
'doc' => 'application/msword',
'rtf' => 'application/rtf',
'xls' => 'application/vnd.ms-excel',
'ppt' => 'application/vnd.ms-powerpoint',
'docx' => 'application/msword',
'xlsx' => 'application/vnd.ms-excel',
'pptx' => 'application/vnd.ms-powerpoint',
// open office
'odt' => 'application/vnd.oasis.opendocument.text',
'ods' => 'application/vnd.oasis.opendocument.spreadsheet',
'odp' => 'application/vnd.oasis.opendocument.presentation',
);
$exploded = explode('.', $filename);
$last = array_pop($exploded);
$ext = strtolower($last);
if (function_exists('mime_content_type') && is_file($filename) && $mode == 0) {
$mimetype = mime_content_type($filename);
return $mimetype;
} elseif (function_exists('finfo_open') && is_file($filename) && $mode == 0) {
$finfo = finfo_open(FILEINFO_MIME);
$mimetype = finfo_file($finfo, $filename);
finfo_close($finfo);
return $mimetype;
} elseif (array_key_exists($ext, $mime_types)) {
return $mime_types[$ext];
} else {
return 'application/octet-stream';
}
}
/**
* Splits the filename from the given path
*
* @static
* @param string $path a filesystem path, use / as path separator
*
* @return string the last part of the path, mostly this is the filename
*/
static function getFilenameFromPath($path)
{
$pathParts = explode('/', $path);
return end($pathParts);
}
/**
* Splits the foldername/path from the given path
*
* @static
* @param string $path
*
* @return string foldername
*/
static function getFolderNameFromPath($path)
{
$tmp = explode("/", $path);
array_pop($tmp);
$folder = implode("/", $tmp);
$folder = $folder == "" ? "/" : $folder;
return $folder;
}
/**
* creates a security file, which is checked before downloading a file
*
* @static
* @param string secid A random id
*
* @return void
*/
static function createSecIDFile($basepath, $secid)
{
$lockFile = $basepath . DIRECTORY_SEPARATOR . "secid." . $secid;
$fh = fopen($lockFile, 'w') or die("can't open secid file");
$stringData = date(DATE_RFC822);
fwrite($fh, $stringData);
fclose($fh);
}
/**
* Sanitize a filename.
* Currently removes all html tags
* and replaces \, /, :, ", |, !, ?, <, > and *
*
* @param string $string
* @return string
*/
static function sanitizeFilename($string)
{
$cleanerString = preg_replace('/[:\|\"!\*\?\\\\\/]+/i', '', $string);
$cleanerString = strip_tags($cleanerString);
$cleanerString = preg_replace('/[><]+/i', '', $cleanerString);
return $cleanerString;
}
}
|
