egroupware/phpgwapi/inc/class.browser.inc.php

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<?php
/**
* eGroupWare API - Browser detect functions
*
* This file written by Miles Lott <milosch@groupwhere.org>
* Majority of code borrowed from Sourceforge 2.5
* Copyright 1999-2000 (c) The SourceForge Crew - http://sourceforge.net
*
* @link http://www.egroupware.org
* @author Miles Lott <milosch@groupwhere.org>
* @license http://opensource.org/licenses/lgpl-license.php LGPL - GNU Lesser General Public License
* @package api
* @subpackage html
* @version $Id$
*/
/**
* Dusty old browser detection functions (all static now)
*
* @deprecated use html::content_header(), html::$user_agent and html::$ua_version
*/
class browser
{
public static $agent;
public static $version;
public static $platform;
public static $br;
public static $p;
/**
* Init our static properties
*/
public static function init_static()
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{
$HTTP_USER_AGENT = $_SERVER['HTTP_USER_AGENT'];
/*
Determine browser and version
*/
if(preg_match('/MSIE ([0-9].[0-9]{1,2})/',$HTTP_USER_AGENT,$log_version))
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{
self::$version = $log_version[1];
self::$agent = 'IE';
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}
elseif(preg_match('/Opera ([0-9].[0-9]{1,2})/',$HTTP_USER_AGENT,$log_version) ||
preg_match('/Opera\\/([0-9].[0-9]{1,2})/',$HTTP_USER_AGENT,$log_version))
{
self::$version = $log_version[1];
self::$agent = 'OPERA';
}
elseif(preg_match('/iCab ([0-9].[0-9a-zA-Z]{1,4})/i',$HTTP_USER_AGENT,$log_version) ||
preg_match('/iCab\\/([0-9].[0-9a-zA-Z]{1,4})/i',$HTTP_USER_AGENT,$log_version))
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{
self::$version = $log_version[1];
self::$agent = 'iCab';
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}
elseif(strpos($HTTP_USER_AGENT,'Gecko') !== false)
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{
self::$version = $log_version[1];
self::$agent = 'MOZILLA';
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}
elseif(preg_match('/Konqueror\\/([0-9].[0-9].[0-9]{1,2})/',$HTTP_USER_AGENT,$log_version) ||
preg_match('/Konqueror\\/([0-9].[0-9]{1,2})/',$HTTP_USER_AGENT,$log_version))
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{
self::$version=$log_version[1];
self::$agent='Konqueror';
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}
else
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{
self::$version=0;
self::$agent='OTHER';
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}
/*
Determine platform
*/
if(strpos($HTTP_USER_AGENT,'Win') !== false)
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{
self::$platform='Win';
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}
elseif(strpos($HTTP_USER_AGENT,'Mac') !== false)
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{
self::$platform='Mac';
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}
elseif(strpos($HTTP_USER_AGENT,'Linux') !== false)
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{
self::$platform='Linux';
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}
elseif(strpos($HTTP_USER_AGENT,'Unix') !== false)
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{
self::$platform='Unix';
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}
elseif(strpos($HTTP_USER_AGENT,'Beos') !== false)
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{
self::$platform='Beos';
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}
else
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{
self::$platform='Other';
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}
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/*
echo "\n\nAgent: $HTTP_USER_AGENT";
echo "\nIE: ".browser_is_ie();
echo "\nMac: ".browser_is_mac();
echo "\nWindows: ".browser_is_windows();
echo "\nPlatform: ".browser_get_platform();
echo "\nVersion: ".browser_get_version();
echo "\nAgent: ".browser_get_agent();
*/
// The br and p functions are supposed to return the correct
// value for tags that do not need to be closed. This is
// per the xhmtl spec, so we need to fix this to include
// all compliant browsers we know of.
if(self::$agent == 'IE')
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{
self::$br = '<br/>';
self::$p = '<p/>';
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}
else
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{
self::$br = '<br>';
self::$p = '<p>';
}
error_log(__METHOD__."() $_SERVER[HTTP_USER_AGENT] --> agent=".self::$agent.', version='.self::$version.', platform='.self::$platform);
}
public static function return_array()
{
return array(
'agent' => self::$agent,
'version' => self::$version,
'platform' => self::$platform,
);
}
public static function get_agent()
{
return self::$agent;
}
public static function get_version()
{
return self::$version;
}
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public static function get_platform()
{
return self::$platform;
}
public static function is_linux()
{
return $platform == 'Linux';
}
public static function is_unix()
{
return $platform() == 'Unix';
}
public static function is_beos()
{
return $platform == 'Beos';
}
public static function is_mac()
{
return $platform == 'Mac';
}
public static function is_windows()
{
return $platform == 'Win';
}
public static function is_ie()
{
return $agent == 'IE';
}
public static function is_netscape()
{
return $agent == 'MOZILLA';
}
public static function is_opera()
{
return $agent == 'OPERA';
}
/**
* Output content headers for file downloads
*
* @param string $fn filename
* @param string $mime='' mimetype or '' (default) to detect it from filename, using mime_magic::filename2mime()
* @param int $length=0 content length, default 0 = skip that header
* @param boolean $nocache=true send headers to disallow browser/proxies to cache the download
* @deprecated use html::content_header() direct
*/
public static function content_header($fn,$mime='',$length=0,$nocache=True)
{
html::content_header($fn,$mime,$length,$nocache);
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}
}
browser::init_static();