*
* Majority of code borrowed from Sourceforge 2.5 *
* Copyright 1999-2000 (c) The SourceForge Crew - http://sourceforge.net *
* Browser detection functions for phpGroupWare developers *
* -------------------------------------------------------------------------*
* This library is part of the phpGroupWare API *
* http://www.phpgroupware.org/api *
* ------------------------------------------------------------------------ *
* This library is free software; you can redistribute it and/or modify it *
* under the terms of the GNU Lesser General Public License as published by *
* the Free Software Foundation; either version 2.1 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 Lesser 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, write to the Free Software Foundation, *
* Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA *
\**************************************************************************/
/* $Id$ */
class browser
{
var $BROWSER_AGENT;
var $BROWSER_VER;
var $BROWSER_PLATFORM;
var $br;
var $p;
var $data;
function browser ()
{
$HTTP_USER_AGENT = $GLOBALS['HTTP_USER_AGENT'];
/*
Determine browser and version
*/
if(ereg('MSIE ([0-9].[0-9]{1,2})',$HTTP_USER_AGENT,$log_version))
{
$this->BROWSER_VER = $log_version[1];
$this->BROWSER_AGENT = 'IE';
}
elseif(ereg('Opera ([0-9].[0-9]{1,2})',$HTTP_USER_AGENT,$log_version) ||
ereg('Opera/([0-9].[0-9]{1,2})',$HTTP_USER_AGENT,$log_version))
{
$this->BROWSER_VER = $log_version[1];
$this->BROWSER_AGENT = 'OPERA';
}
elseif(eregi('iCab ([0-9].[0-9a-zA-Z]{1,4})',$HTTP_USER_AGENT,$log_version) ||
eregi('iCab/([0-9].[0-9a-zA-Z]{1,4})',$HTTP_USER_AGENT,$log_version))
{
$this->BROWSER_VER = $log_version[1];
$this->BROWSER_AGENT = 'iCab';
}
elseif(eregi('Netscape6/([0-9].[0-9a-zA-Z]{1,4})',$HTTP_USER_AGENT,$log_version))
{
$this->BROWSER_VER = $log_version[1];
$this->BROWSER_AGENT = 'Netscape';
}
elseif(ereg('Konqueror/([0-9].[0-9].[0-9]{1,2})',$HTTP_USER_AGENT,$log_version) ||
ereg( 'Konqueror/([0-9].[0-9]{1,2})',$HTTP_USER_AGENT,$log_version))
{
$this->BROWSER_VER = $log_version[1];
$this->BROWSER_AGENT = 'Konqueror';
}
elseif(ereg('Mozilla/([0-9].[0-9]{1,2})',$HTTP_USER_AGENT,$log_version))
{
$this->BROWSER_VER = $log_version[1];
$this->BROWSER_AGENT = 'MOZILLA';
}
else
{
$this->BROWSER_VER = 0;
$this->BROWSER_AGENT = 'OTHER';
}
/*
Determine platform
*/
if(strstr($HTTP_USER_AGENT,'Win'))
{
$this->BROWSER_PLATFORM='Win';
}
elseif(strstr($HTTP_USER_AGENT,'Mac'))
{
$this->BROWSER_PLATFORM='Mac';
}
elseif(strstr($HTTP_USER_AGENT,'Linux'))
{
$this->BROWSER_PLATFORM='Linux';
}
elseif(strstr($HTTP_USER_AGENT,'Unix'))
{
$this->BROWSER_PLATFORM='Unix';
}
elseif(strstr($HTTP_USER_AGENT,'Beos'))
{
$this->BROWSER_PLATFORM='Beos';
}
else
{
$this->BROWSER_PLATFORM='Other';
}
/*
echo "\n\nAgent: $HTTP_USER_AGENT";
echo "\nIE: " . $this->is_ie();
echo "\nMac: " . $this->is_mac();
echo "\nWindows: " . $this->is_windows();
echo "\nPlatform: " . $this->get_platform();
echo "\nVersion: " . $this->get_version();
echo "\nAgent: " . $this->get_agent();
*/
// The br and p vars are supposed to return the correct
// value for tags that do not need to be closed. This is
// per the xhmtl spec, so we need to fix this to include
// all compliant browsers we know of.
if($this->BROWSER_AGENT == 'IE')
{
$this->br = '
';
$this->p = '';
}
else
{
$this->br = '
';
$this->p = '';
}
}
function return_array()
{
$this->data = array(
'agent' => $this->get_agent(),
'version' => $this->get_version(),
'platform' => $this->get_platform()
);
return $this->data;
}
function get_agent()
{
return $this->BROWSER_AGENT;
}
function get_version()
{
return $this->BROWSER_VER;
}
function get_platform()
{
return $this->BROWSER_PLATFORM;
}
function is_linux()
{
if($this->get_platform()=='Linux')
{
return true;
}
else
{
return false;
}
}
function is_unix()
{
if($this->get_platform()=='Unix')
{
return true;
}
else
{
return false;
}
}
function is_beos()
{
if($this->get_platform()=='Beos')
{
return true;
}
else
{
return false;
}
}
function is_mac()
{
if($this->get_platform()=='Mac')
{
return true;
}
else
{
return false;
}
}
function is_windows()
{
if($this->get_platform()=='Win')
{
return true;
}
else
{
return false;
}
}
function is_ie()
{
if($this->get_agent()=='IE')
{
return true;
}
else
{
return false;
}
}
function is_netscape()
{
if($this->get_agent()=='MOZILLA')
{
return true;
}
else
{
return false;
}
}
function is_opera()
{
if($this->get_agent()=='OPERA')
{
return true;
}
else
{
return false;
}
}
// Echo content headers for file downloads
function content_header($fn='',$mime='',$length='',$nocache=True)
{
if(!$mime)
{
$mime='application/octet-stream';
}
if($fn)
{
if($this->get_agent() == 'IE')
{
$attachment = '';
header('Cache-control: private');
}
else
{
$attachment = ' attachment;';
}
header('Content-type: ' . $mime);
header('Content-disposition:' . $attachment . ' filename="' . $fn . '"');
if($length)
{
header('Content-length: '.$length);
}
if($nocache)
{
header('Pragma: no-cache');
header('Pragma: public');
header('Expires: 0');
header('Cache-Control: must-revalidate, post-check=0, pre-check=0');
}
}
}
}
?>