some cleanup in ajax fronted, give error message before starting an upload that is to big

1 files changed, 63 insertions, 0 deletions

diff --git a/files/open_file.php b/files/open_file.php
new file mode 100644
index 00000000000..933efa51e1e
--- /dev/null
+++ b/files/open_file.php
@@ -0,0 +1,63 @@
+<?php
+/**
+* ownCloud - ajax frontend
+*
+* @author Robin Appelman
+* @copyright 2010 Robin Appelman icewind1991@gmail.com
+* 
+* This library is free software; you can redistribute it and/or
+* modify it under the terms of the GNU AFFERO GENERAL PUBLIC LICENSE
+* License as published by the Free Software Foundation; either 
+* version 3 of the License, or any later version.
+* 
+* This library is distributed in the hope that it will be useful,
+* but WITHOUT ANY WARRANTY; without even the implied warranty of
+* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+* GNU AFFERO GENERAL PUBLIC LICENSE for more details.
+*  
+* You should have received a copy of the GNU Lesser General Public 
+* License along with this library.  If not, see <http://www.gnu.org/licenses/>.
+* 
+*/
+
+//not this file is for getting files themselves, get_files.php is for getting a list of files.
+
+require_once('../inc/lib_base.php');
+
+function get_mime_type($filename, $mimePath = '../etc') { 
+   $fileext = substr(strrchr($filename, '.'), 1); 
+   if (empty($fileext)) return (false); 
+   $regex = "/^([\w\+\-\.\/]+)\s+(\w+\s)*($fileext\s)/i"; 
+   $lines = file("$mimePath/mime.types"); 
+   foreach($lines as $line) { 
+      if (substr($line, 0, 1) == '#') continue; // skip comments 
+      $line = rtrim($line) . " "; 
+      if (!preg_match($regex, $line, $matches)) continue; // no match to the extension 
+      return ($matches[1]); 
+   } 
+   return (false); // no match at all 
+} 
+
+$file=$_GET['file'];
+$dir=(isset($_GET['dir']))?$_GET['dir']:'';
+if(strstr($file,'..') or strstr($dir,'..')){
+    die();
+}
+$filename=$CONFIG_DATADIRECTORY.'/'.$dir.'/'.$file;
+// $ftype='application/octet-stream'; 
+// $finfo=new finfo(FILEINFO_MIME); 
+// $fres=@$finfo->file($filename); 
+// if (is_string($fres) && !empty($fres)) { 
+//    $ftype = $fres; 
+// }
+$ftype=get_mime_type($filename);
+ob_end_clean();
+// echo $ftype;
+// die();
+header('Content-Type: '.$ftype);
+header('Expires: 0');
+header('Cache-Control: must-revalidate, post-check=0, pre-check=0');
+header('Pragma: public');
+header('Content-Length: ' . filesize($filename));
+readfile($filename);
+?>
\ No newline at end of file