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