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mime.php
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mime.php
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<?php
// +----------------------------------------------------------------+
// | mime.php |
// +----------------------------------------------------------------+
// | Function: Sent an attachment to the users browser : Prompt to |
// | download or view . The attachments are stored in the |
// | $pref[user_dir]/tmp/ |
// | directory - Which is outside of the webserver root. |
// +----------------------------------------------------------------+
// | AtMail Open - Licensed under the Apache 2.0 Open-source License|
// | http://opensource.org/licenses/apache2.0.php |
// +----------------------------------------------------------------+
require_once('header.php');
require_once('Session.php');
require_once('Global.php');
session_cache_limiter ('private, must-revalidate');
session_start();
// We need this to run as long as possible, otherwise a user might be downloading
// a large attachment on a slow link, we do not want it to time out
ini_set('max_execution_time', 1200);
$var = $mime = array();
$mime['hqx'] = "application/mac-binhex40";
$mime['cpt'] = "application/mac-compactpro";
$mime['doc'] = "application/msword";
$mime['bin'] = "application/octet-stream";
$mime['dms'] = "application/octet-stream";
$mime['lha'] = "application/octet-stream";
$mime['lzh'] = "application/octet-stream";
$mime['exe'] = "application/octet-stream";
$mime['class'] = "application/octet-stream";
$mime['oda'] = "application/oda";
$mime['pdf'] = "application/pdf";
$mime['ai'] = "application/postscript";
$mime['eps'] = "application/postscript";
$mime['ps'] = "application/postscript";
$mime['ppt'] = "application/powerpoint";
$mime['rtf'] = "application/rtf";
$mime['bcpio'] = "application/x-bcpio";
$mime['vcd'] = "application/x-cdlink";
$mime[''] = "application/x-compress";
$mime['cpio'] = "application/x-cpio";
$mime['csh'] = "application/x-csh";
$mime['dcr'] = "application/x-director";
$mime['dir'] = "application/x-director";
$mime['dxr'] = "application/x-director";
$mime['dvi'] = "application/x-dvi";
$mime['gtar'] = "application/x-gtar";
$mime['tgz'] = "application/x-tgz";
$mime['hdf'] = "application/x-hdf";
$mime['skp'] = "application/x-koan";
$mime['skd'] = "application/x-koan";
$mime['skt'] = "application/x-koan";
$mime['skm'] = "application/x-koan";
$mime['latex'] = "application/x-latex";
$mime['mif'] = "application/x-mif";
$mime['nc'] = "application/x-netcdf";
$mime['cdf'] = "application/x-netcdf";
$mime['sh'] = "application/x-sh";
$mime['shar'] = "application/x-shar";
$mime['sit'] = "application/x-stuffit";
$mime['sv4cpio'] = "application/x-sv4cpio";
$mime['sv4crc'] = "application/x-sv4crc";
$mime['tar'] = "application/x-tar";
$mime['tcl'] = "application/x-tcl";
$mime['tex'] = "application/x-tex";
$mime['texinfo'] = "application/x-texinfo";
$mime['texi'] = "application/x-texinfo";
$mime['t'] = "application/x-troff";
$mime['tr'] = "application/x-troff";
$mime['roff'] = "application/x-troff";
$mime['man'] = "application/x-troff-man";
$mime['me'] = "application/x-troff-me";
$mime['ms'] = "application/x-troff-ms";
$mime['ustar'] = "application/x-ustar";
$mime['src'] = "application/x-wais-source";
$mime['zip'] = "application/zip";
$mime['au'] = "audio/basic";
$mime['snd'] = "audio/basic";
$mime['mid'] = "audio/midi";
$mime['midi'] = "audio/midi";
$mime['kar'] = "audio/midi";
$mime['mpga'] = "audio/mpeg";
$mime['mp2'] = "audio/mpeg";
$mime['mp3'] = "audio/mpeg";
$mime['aif'] = "audio/x-aiff";
$mime['aiff'] = "audio/x-aiff";
$mime['aifc'] = "audio/x-aiff";
$mime['ram'] = "audio/x-pn-realaudio";
$mime['rpm'] = "audio/x-pn-realaudio-plugin";
$mime['ra'] = "audio/x-realaudio";
$mime['wav'] = "audio/x-wav";
$mime['pdb'] = "chemical/x-pdb";
$mime['xyz'] = "chemical/x-pdb";
$mime['gif'] = "image/gif";
$mime['ief'] = "image/ief";
$mime['jpeg'] = "image/jpeg";
$mime['jpg'] = "image/jpeg";
$mime['jpe'] = "image/jpeg";
$mime['png'] = "image/png";
$mime['tiff'] = "image/tiff";
$mime['tif'] = "image/tiff";
$mime['ras'] = "image/x-cmu-raster";
$mime['pnm'] = "image/x-portable-anymap";
$mime['pbm'] = "image/x-portable-bitmap";
$mime['pgm'] = "image/x-portable-graymap";
$mime['ppm'] = "image/x-portable-pixmap";
$mime['rgb'] = "image/x-rgb";
$mime['xbm'] = "image/x-xbitmap";
$mime['xpm'] = "image/x-xpixmap";
$mime['xwd'] = "image/x-xwindowdump";
$mime['css'] = "text/css";
$mime['html'] = "text/html";
$mime['htm'] = "text/html";
$mime['txt'] = "text/plain";
$mime['rtx'] = "text/richtext";
$mime['tsv'] = "text/tab-separated-values";
$mime['etx'] = "text/x-setext";
$mime['sgml'] = "text/x-sgml";
$mime['sgm'] = "text/x-sgml";
$mime['mpeg'] = "video/mpeg";
$mime['mpg'] = "video/mpeg";
$mime['mpe'] = "video/mpeg";
$mime['qt'] = "video/quicktime";
$mime['mov'] = "video/quicktime";
$mime['avi'] = "video/x-msvideo";
$mime['movie'] = "video/x-sgi-movie";
$mime['ice'] = "x-conference/x-cooltalk";
$mime['wrl'] = "x-world/x-vrml";
$mime['vrml'] = "x-world/x-vrml";
$atmail = new AtmailGlobal();
$auth =& $atmail->getAuthObj();
$atmail->status = $auth->getuser($atmail->SessionID);
// Print the error screen if the account has auth errors, or session timeout.
if ($atmail->status == 1)
$atmail->auth_error();
if (($atmail->status == 2) && (!preg_match('/xhtml/i', $_REQUEST['whoscalling'])))
$atmail->session_error();
$var['src'] = rawurldecode($_REQUEST['file']);
$var['src'] = preg_replace('/^.+[\\\\\\/]/', '', $var['src']); // Don't allow to go down a dir, sanity check
$tmpfile = $pref['user_dir'] . "/tmp/" . $atmail->auth->get_account() . "/" . $var['src'];
// Exit if no pathname is defined
if (!$var['src']) die("Not implemented");
$size = filesize($tmpfile);
$name = $_REQUEST['name'];
$name = $atmail->myunescape($_REQUEST['name']);
if (!$name)
$name = $var['src'];
if ( preg_match('/.*\.(.*)$/', $name, $match))
$var['ext'] = $match[1] ;
$var['type'] = $mime[$var['ext']];
if ( !$var['type'] )
$mime[$var['ext']] = "unknown/data";
// Take off the extension
//$name = str_replace(".{$var['ext']}", '', $name);
//$name = urlencode($name);
//$name = $name . ".{$var['ext']}";
// If the filename is too long, cut it to a size the HTTP header can read!
if (strlen($name) > 182)
{
$name = substr($name, 0, 171);
$name = $name . ".{$var['ext']}";
}
$name = str_replace(array("\r", "\n"), '', $name);
if ($var['ext'] == "html")
$atmail->httpheaders();
else
{
header("Content-Type: ".$mime[$var['ext']]);
header("Content-Length: $size");
header("Content-Disposition: attachment; filename=\"$name\"; charset=\"utf-8\"");
header("Pragma: ");
}
$fh = fopen($tmpfile, 'r');
if (!is_resource($fh)) {
die("Error with $tmpfile - Please check the directory exists and the session has not timed out");
}
$i = 0;
while (!feof($fh))
{
$i++;
$buf = @fread($fh, 4096);
if (empty($buf))
break;
echo $buf;
if ($i % 50 == 0)
ob_flush();
}
ob_flush();
fclose($fh);
$atmail->end();
?>