/saf/lib/Ext/phpsniff/phpSniff.core.php
PHP | 547 lines | 393 code | 31 blank | 123 comment | 57 complexity | 63935b1a5b58960efa8b8135930d74ff MD5 | raw file
Possible License(s): GPL-2.0, LGPL-2.1, Apache-2.0, GPL-3.0
- <?php
- /*******************************************************************************
- $Id: phpSniff.core.php,v 1.1.1.1 2005/04/29 04:44:35 lux Exp $
-
- phpSniff: HTTP_USER_AGENT Client Sniffer for PHP
- Copyright (C) 2001 Roger Raymond ~ epsilon7@users.sourceforge.net
- 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 (at your option) 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
- *******************************************************************************/
- class phpSniff_core
- { // initialize some vars
- var $_browser_info = array(
- 'ua' => '',
- 'browser' => 'Unknown',
- 'version' => 0,
- 'maj_ver' => 0,
- 'min_ver' => 0,
- 'letter_ver' => '',
- 'javascript' => '0.0',
- 'platform' => 'Unknown',
- 'os' => 'Unknown',
- 'ip' => 'Unknown',
- 'cookies' => 'Unknown', // remains for backwards compatability
- 'ss_cookies' => 'Unknown',
- 'st_cookies' => 'Unknown',
- 'language' => '',
- 'long_name' => '',
- 'gecko' => '',
- 'gecko_ver' => ''
- );
-
- var $_feature_set = array(
- 'html' => true,
- 'images' => true,
- 'frames' => true,
- 'tables' => true,
- 'java' => true,
- 'plugins' => true,
- 'iframes' => false,
- 'css2' => false,
- 'css1' => false,
- 'xml' => false,
- 'dom' => false,
- 'wml' => false,
- 'hdml' => false
- );
-
- var $_quirks = array(
- 'must_cache_forms' => false,
- 'avoid_popup_windows' => false,
- 'cache_ssl_downloads' => false,
- 'break_disposition_header' => false,
- 'empty_file_input_value' => false,
- 'scrollbar_in_way' => false
- );
- var $_get_languages_ran_once = false;
- var $_browser_search_regex = '([a-z]+)([0-9]*)([0-9.]*)(up|dn|\+|\-)?';
- var $_language_search_regex = '([a-z-]{2,})';
-
- /**
- * init
- * this method starts the madness
- **/
- function init ()
- {
- // collect the ip
- $this->_get_ip();
- // run the cookie check routine first
- // [note: method only runs if allowed]
- $this->_test_cookies();
- // rip the user agent to pieces
- $this->_get_browser_info();
- // gecko build
- $this->_get_gecko();
- // look for other languages
- $this->_get_languages();
- // establish the operating platform
- $this->_get_os_info();
- // determine javascript version
- $this->_get_javascript();
- // determine current feature set
- $this->_get_features();
- // point out any quirks
- $this->_get_quirks();
- }
- /**
- * property
- * @param $p property to return . optional (null returns entire array)
- * @return array/string entire array or value of property
- **/
- function property ($p=null)
- { if($p==null)
- { return $this->_browser_info;
- }
- else
- { return $this->_browser_info[strtolower($p)];
- }
- }
-
- /**
- * get_property
- * alias for property
- **/
- function get_property ($p)
- { return $this->property($p);
- }
- /**
- * is
- * @param $s string search phrase format = l:lang;b:browser
- * @return bool true on success
- * ex: $client->is('b:OP5Up');
- **/
- function is ($s)
- { // perform language search
- if(preg_match('/l:'.$this->_language_search_regex.'/i',$s,$match))
- { if($match) return $this->_perform_language_search($match);
- }
- // perform browser search
- elseif(preg_match('/b:'.$this->_browser_search_regex.'/i',$s,$match))
- { if($match) return $this->_perform_browser_search($match);
- }
- return false;
- }
-
- /**
- * browser_is
- * @param $s string search phrase for browser
- * @return bool true on success
- * ex: $client->browser_is('OP5Up');
- **/
- function browser_is ($s)
- { preg_match('/'.$this->_browser_search_regex.'/i',$s,$match);
- if($match) return $this->_perform_browser_search($match);
- }
-
- /**
- * language_is
- * @param $s string search phrase for language
- * @return bool true on success
- * ex: $client->language_is('en-US');
- **/
- function language_is ($s)
- { preg_match('/'.$this->_language_search_regex.'/i',$s,$match);
- if($match) return $this->_perform_language_search($match);
- }
-
- /**
- * has_feature
- * @param $s string feature we're checking on
- * @return bool true on success
- * ex: $client->has_feature('html');
- **/
- function has_feature ($s)
- { return $this->_feature_set[$s];
- }
-
- /**
- * has_quirk
- * @param $s string quirk we're looking for
- * @return bool true on success
- * ex: $client->has_quirk('avoid_popup_windows');
- **/
- function has_quirk ($s)
- { return $this->_quirks[$s];
- }
- /**
- * _perform_browser_search
- * @param $data string what we're searching for
- * @return bool true on success
- * @private
- **/
- function _perform_browser_search ($data)
- { $search = array();
- $search['phrase'] = isset($data[0]) ? $data[0] : '';
- $search['name'] = isset($data[1]) ? strtolower($data[1]) : '';
- $search['maj_ver'] = isset($data[2]) ? $data[2] : '';
- $search['min_ver'] = isset($data[3]) ? $data[3] : '';
- $search['direction'] = isset($data[4]) ? strtolower($data[4]) : '';
-
- $looking_for = $search['maj_ver'].$search['min_ver'];
- if($search['name'] == 'aol' || $search['name'] == 'webtv')
- { return stristr($this->_browser_info['ua'],$search['name']);
- }
- elseif($this->_browser_info['browser'] == $search['name'])
- { $majv = $search['maj_ver'] ? $this->_browser_info['maj_ver'] : '';
- $minv = $search['min_ver'] ? $this->_browser_info['min_ver'] : '';
- $what_we_are = $majv.$minv;
- if(($search['direction'] == 'up' || $search['direction'] == '+')
- && ($what_we_are >= $looking_for))
- { return true;
- }
- elseif(($search['direction'] == 'dn' || $search['direction'] == '-')
- && ($what_we_are <= $looking_for))
- { return true;
- }
- elseif($what_we_are == $looking_for)
- { return true;
- }
- }
- return false;
- }
- function _perform_language_search ($data)
- { // if we've not grabbed the languages, then do so.
- $this->_get_languages();
- return stristr($this->_browser_info['language'],$data[1]);
- }
- function _get_languages ()
- { // capture available languages and insert into container
- if(!$this->_get_languages_ran_once)
- { if($languages = getenv('HTTP_ACCEPT_LANGUAGE'))
- { $languages = preg_replace('/(;q=[0-9]+.[0-9]+)/i','',$languages);
- }
- else
- { $languages = $this->_default_language;
- }
- $this->_set_browser('language',$languages);
- $this->_get_languages_ran_once = true;
- }
- }
- function _get_os_info ()
- { // regexes to use
- $regex_windows = '/([^dar]win[dows]*)[\s]?([0-9a-z]*)[\w\s]?([a-z0-9.]*)/i';
- $regex_mac = '/(68[k0]{1,3})|(ppc mac os x)|([p\S]{1,5}pc)|(darwin)/i';
- $regex_os2 = '/os\/2|ibm-webexplorer/i';
- $regex_sunos = '/(sun|i86)[os\s]*([0-9]*)/i';
- $regex_irix = '/(irix)[\s]*([0-9]*)/i';
- $regex_hpux = '/(hp-ux)[\s]*([0-9]*)/i';
- $regex_aix = '/aix([0-9]*)/i';
- $regex_dec = '/dec|osfl|alphaserver|ultrix|alphastation/i';
- $regex_vms = '/vax|openvms/i';
- $regex_sco = '/sco|unix_sv/i';
- $regex_linux = '/x11|inux/i';
- $regex_bsd = '/(free)?(bsd)/i';
- $regex_amiga = '/amiga[os]?/i';
- // look for Windows Box
- if(preg_match_all($regex_windows,$this->_browser_info['ua'],$match))
- { /** Windows has some of the most ridiculous HTTP_USER_AGENT strings */
- //$match[1][count($match[0])-1];
- $v = $match[2][count($match[0])-1];
- $v2 = $match[3][count($match[0])-1];
- // Establish NT 5.1 as Windows XP
- if(stristr($v,'NT') && $v2 == 5.1) $v = 'xp';
- // Establish NT 5.0 and Windows 2000 as win2k
- elseif($v == '2000') $v = '2k';
- elseif(stristr($v,'NT') && $v2 == 5.0) $v = '2k';
- // Establish 9x 4.90 as Windows 98
- elseif(stristr($v,'9x') && $v2 == 4.9) $v = '98';
- // See if we're running windows 3.1
- elseif($v.$v2 == '16bit') $v = '31';
- // otherwise display as is (31,95,98,NT,ME,XP)
- else $v .= $v2;
- // update browser info container array
- if(empty($v)) $v = 'win';
- $this->_set_browser('os',strtolower($v));
- $this->_set_browser('platform','win');
- }
- // look for amiga OS
- elseif(preg_match($regex_amiga,$this->_browser_info['ua'],$match))
- { $this->_set_browser('platform','amiga');
- if(stristr($this->_browser_info['ua'],'morphos')) {
- // checking for MorphOS
- $this->_set_browser('os','morphos');
- } elseif(stristr($this->_browser_info['ua'],'mc680x0')) {
- // checking for MC680x0
- $this->_set_browser('os','mc680x0');
- } elseif(stristr($this->_browser_info['ua'],'ppc')) {
- // checking for PPC
- $this->_set_browser('os','ppc');
- } elseif(preg_match('/(AmigaOS [\.1-9]?)/i',$this->_browser_info['ua'],$match)) {
- // checking for AmigaOS version string
- $this->_set_browser('os',$match[1]);
- }
- }
- // look for OS2
- elseif( preg_match($regex_os2,$this->_browser_info['ua']))
- { $this->_set_browser('os','os2');
- $this->_set_browser('platform','os2');
- }
- // look for mac
- // sets: platform = mac ; os = 68k or ppc
- elseif( preg_match($regex_mac,$this->_browser_info['ua'],$match) )
- { $this->_set_browser('platform','mac');
- $os = !empty($match[1]) ? '68k' : '';
- $os = !empty($match[2]) ? 'osx' : $os;
- $os = !empty($match[3]) ? 'ppc' : $os;
- $os = !empty($match[4]) ? 'osx' : $os;
- $this->_set_browser('os',$os);
- }
- // look for *nix boxes
- // sunos sets: platform = *nix ; os = sun|sun4|sun5|suni86
- elseif(preg_match($regex_sunos,$this->_browser_info['ua'],$match))
- { $this->_set_browser('platform','*nix');
- if(!stristr('sun',$match[1])) $match[1] = 'sun'.$match[1];
- $this->_set_browser('os',$match[1].$match[2]);
- }
- // irix sets: platform = *nix ; os = irix|irix5|irix6|...
- elseif(preg_match($regex_irix,$this->_browser_info['ua'],$match))
- { $this->_set_browser('platform','*nix');
- $this->_set_browser('os',$match[1].$match[2]);
- }
- // hp-ux sets: platform = *nix ; os = hpux9|hpux10|...
- elseif(preg_match($regex_hpux,$this->_browser_info['ua'],$match))
- { $this->_set_browser('platform','*nix');
- $match[1] = str_replace('-','',$match[1]);
- $match[2] = (int) $match[2];
- $this->_set_browser('os',$match[1].$match[2]);
- }
- // aix sets: platform = *nix ; os = aix|aix1|aix2|aix3|...
- elseif(preg_match($regex_aix,$this->_browser_info['ua'],$match))
- { $this->_set_browser('platform','*nix');
- $this->_set_browser('os','aix'.$match[1]);
- }
- // dec sets: platform = *nix ; os = dec
- elseif(preg_match($regex_dec,$this->_browser_info['ua'],$match))
- { $this->_set_browser('platform','*nix');
- $this->_set_browser('os','dec');
- }
- // vms sets: platform = *nix ; os = vms
- elseif(preg_match($regex_vms,$this->_browser_info['ua'],$match))
- { $this->_set_browser('platform','*nix');
- $this->_set_browser('os','vms');
- }
- // sco sets: platform = *nix ; os = sco
- elseif(preg_match($regex_sco,$this->_browser_info['ua'],$match))
- { $this->_set_browser('platform','*nix');
- $this->_set_browser('os','sco');
- }
- // unixware sets: platform = *nix ; os = unixware
- elseif(stristr($this->_browser_info['ua'],'unix_system_v'))
- { $this->_set_browser('platform','*nix');
- $this->_set_browser('os','unixware');
- }
- // mpras sets: platform = *nix ; os = mpras
- elseif(stristr($this->_browser_info['ua'],'ncr'))
- { $this->_set_browser('platform','*nix');
- $this->_set_browser('os','mpras');
- }
- // reliant sets: platform = *nix ; os = reliant
- elseif(stristr($this->_browser_info['ua'],'reliantunix'))
- { $this->_set_browser('platform','*nix');
- $this->_set_browser('os','reliant');
- }
- // sinix sets: platform = *nix ; os = sinix
- elseif(stristr($this->_browser_info['ua'],'sinix'))
- { $this->_set_browser('platform','*nix');
- $this->_set_browser('os','sinix');
- }
- // bsd sets: platform = *nix ; os = bsd|freebsd
- elseif(preg_match($regex_bsd,$this->_browser_info['ua'],$match))
- { $this->_set_browser('platform','*nix');
- $this->_set_browser('os',$match[1].$match[2]);
- }
- // last one to look for
- // linux sets: platform = *nix ; os = linux
- elseif(preg_match($regex_linux,$this->_browser_info['ua'],$match))
- { $this->_set_browser('platform','*nix');
- $this->_set_browser('os','linux');
- }
- }
- function _get_browser_info ()
- { $this->_build_regex();
- if(preg_match_all($this->_browser_regex,$this->_browser_info['ua'],$results))
- { // get the position of the last browser found
- $count = count($results[0])-1;
- // if we're allowing masquerading, revert to the next to last browser found
- // if possible, otherwise stay put
- if($this->_allow_masquerading && $count > 0) $count--;
- // insert findings into the container
- $this->_set_browser('browser',$this->_get_short_name($results[1][$count]));
- $this->_set_browser('long_name',$results[1][$count]);
- $this->_set_browser('maj_ver',$results[2][$count]);
- // parse the minor version string and look for alpha chars
- preg_match('/([.\0-9]+)?([\.a-z0-9]+)?/i',$results[3][$count],$match);
- if(isset($match[1])) {
- $this->_set_browser('min_ver',$match[1]);
- } else {
- $this->_set_browser('min_ver','.0');
- }
- if(isset($match[2])) $this->_set_browser('letter_ver',$match[2]);
- // insert findings into container
- $this->_set_browser('version',$this->_browser_info['maj_ver'].$this->property('min_ver'));
- }
- }
- function _get_ip ()
- { if(getenv('HTTP_CLIENT_IP'))
- { $ip = getenv('HTTP_CLIENT_IP');
- }
- else
- { $ip = getenv('REMOTE_ADDR');
- }
- $this->_set_browser('ip',$ip);
- }
- function _build_regex ()
- { $browsers = '';
- while(list($k,) = each($this->_browsers))
- { if(!empty($browsers)) $browsers .= "|";
- $browsers .= $k;
- }
- $version_string = "[\/\sa-z(]*([0-9]+)([\.0-9a-z]+)?";
- $this->_browser_regex = "/($browsers)$version_string/i";
- }
- function _get_short_name ($long_name)
- { return $this->_browsers[strtolower($long_name)];
- }
- // medianes :: new test cookie routine
- function _test_cookies()
- { global $HTTP_COOKIE_VARS;
- $cookies = array();
- if(isset($_COOKIE)) {
- $cookies = $_COOKIE;
- } elseif(isset($HTTP_COOKIE_VARS)) {
- $cookies = $HTTP_COOKIE_VARS;
- }
- if($this->_check_cookies)
- { $fp = @fopen($this->_temp_file_path.$this->property('ip'),'r');
- if(!$fp)
- { $fp = @fopen($this->_temp_file_path.$this->property('ip'),'a');
- fclose($fp);
- setcookie('phpSniff_session','ss',0,'/');
- setcookie('phpSniff_stored','st',time()+3600*24*365,'/');
- $QS=getenv('QUERY_STRING');
- $script_path=getenv('PATH_INFO')?getenv('PATH_INFO'):getenv('SCRIPT_NAME');
- if(is_integer($pos=strpos(strrev($script_path),"php.xedni/"))&&!$pos) {
- $script_path=strrev(substr(strrev($script_path),9));
- }
- $location='http://'.getenv('SERVER_NAME').$script_path.($QS==''?'':'?'.$QS);
- header("Location: $location");
- exit;
- }
- else
- { unlink($this->_temp_file_path.$this->property('ip'));
- fclose($fp);
- $this->_set_browser('ss_cookies',isset($cookies['phpSniff_session'])?'true':'false');
- $this->_set_browser('st_cookies',isset($cookies['phpSniff_stored'])?'true':'false');
- // delete the old cookies
- setcookie('phpSniff_session','',0,'/');
- setcookie('phpSniff_stored','',0,'/');
-
- }
- }
- }
- function _get_javascript()
- { $set=false;
- // see if we have any matches
- while(list($version,$browser) = each($this->_javascript_versions))
- { $browser = explode(',',$browser);
- while(list(,$search) = each($browser))
- { if($this->is('b:'.$search))
- { $this->_set_browser('javascript',$version);
- $set = true;
- break;
- }
- }
- if($set) break;
- }
- }
-
- function _get_features ()
- { while(list($feature,$browser) = each($this->_browser_features))
- { $browser = explode(',',$browser);
- while(list(,$search) = each($browser))
- { if($this->browser_is($search))
- { $this->_set_feature($feature);
- break;
- }
- }
- }
- }
-
- function _get_quirks ()
- { while(list($quirk,$browser) = each($this->_browser_quirks))
- { $browser = explode(',',$browser);
- while(list(,$search) = each($browser))
- { if($this->browser_is($search))
- { $this->_set_quirk($quirk);
- break;
- }
- }
- }
- }
-
- function _get_gecko ()
- { if(preg_match('/gecko\/([0-9]+)/i',$this->property('ua'),$match))
- { $this->_set_browser('gecko',$match[1]);
- if (preg_match('/rv[: ]?([0-9a-z.+]+)/i',$this->property('ua'),$mozv)) {
- // mozilla release
- $this->_set_browser('gecko_ver',$mozv[1]);
- } elseif (preg_match('/(m[0-9]+)/i',$this->property('ua'),$mozv)) {
- // mozilla milestone version
- $this->_set_browser('gecko_ver',$mozv[1]);
- }
- // if this is a mozilla browser, get the rv: information
- if($this->browser_is($this->_get_short_name('mozilla'))) {
- if(preg_match('/([0-9]+)([\.0-9]+)([a-z0-9+]?)/i',$mozv[1],$match)) {
- $this->_set_browser('version',$mozv[1]);
- $this->_set_browser('maj_ver',$match[1]);
- $this->_set_browser('min_ver',$match[2]);
- $this->_set_browser('letter_ver',$match[3]);
- }
- }
- } elseif($this->is('b:'.$this->_get_short_name('mozilla'))) {
- // this is probably a netscape browser or compatible
- $this->_set_browser('long_name','netscape');
- $this->_set_browser('browser',$this->_get_short_name('netscape'));
- }
- }
-
- function _set_browser ($k,$v)
- { $this->_browser_info[strtolower($k)] = strtolower($v);
- }
-
- function _set_feature ($k)
- { $this->_feature_set[strtolower($k)] = !$this->_feature_set[strtolower($k)];
- }
-
- function _set_quirk ($k)
- { $this->_quirks[strtolower($k)] = true;
- }
- }
- ?>