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Diffstat (limited to 'includes/phpsniff/phpSniff.core.php')
| -rw-r--r-- | includes/phpsniff/phpSniff.core.php | 547 |
1 files changed, 547 insertions, 0 deletions
diff --git a/includes/phpsniff/phpSniff.core.php b/includes/phpsniff/phpSniff.core.php new file mode 100644 index 0000000..4d09242 --- /dev/null +++ b/includes/phpsniff/phpSniff.core.php @@ -0,0 +1,547 @@ +<?php +/******************************************************************************* + $Id$ + + 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( !empty( $mozv[1] ) && preg_match('/([0-9]+)([\.0-9]+)([a-z0-9+]?)/i',$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; + } +} +?> |