Sniffer - What can JavaScript see

<script type="text/javascript"> var agt=navigator.userAgent.toLowerCase(); // *** BROWSER VERSION *** // Note: On IE5, these return 4, so use is_ie5up to detect IE5. var is_major = parseInt(navigator.appVersion); var is_minor = parseFloat(navigator.appVersion); // Note: Opera and WebTV spoof Navigator. We do strict client detection. // If you want to allow spoofing, take out the tests for opera and webtv. var is_nav = ((agt.indexOf('mozilla')!=-1) && (agt.indexOf('spoofer')==-1) && (agt.indexOf('compatible') == -1) && (agt.indexOf('opera')==-1) && (agt.indexOf('webtv')==-1) && (agt.indexOf('hotjava')==-1)); var is_nav2 = (is_nav && (is_major == 2)); var is_nav3 = (is_nav && (is_major == 3)); var is_nav4 = (is_nav && (is_major == 4)); var is_nav4up = (is_nav && (is_major >= 4)); var is_navonly = (is_nav && ((agt.indexOf(";nav") != -1) || (agt.indexOf("; nav") != -1)) ); var is_nav6 = (is_nav && (is_major == 5)); var is_nav6up = (is_nav && (is_major >= 5)); var is_gecko = (agt.indexOf('gecko') != -1); var is_ie = ((agt.indexOf("msie") != -1) && (agt.indexOf("opera") == -1)); var is_ie3 = (is_ie && (is_major < 4)); var is_ie4 = (is_ie && (is_major == 4) && (agt.indexOf("msie 5")==-1) ); var is_ie4up = (is_ie && (is_major >= 4)); var is_ie5 = (is_ie && (is_major == 4) && (agt.indexOf("msie 5.0")!=-1) ); var is_ie5_5 = (is_ie && (is_major == 4) && (agt.indexOf("msie 5.5") !=-1)); var is_ie5up = (is_ie && !is_ie3 && !is_ie4); var is_ie5_5up =(is_ie && !is_ie3 && !is_ie4 && !is_ie5); // KNOWN BUG: On AOL4, returns false if IE3 is embedded browser // or if this is the first browser window opened. Thus the // variables is_aol, is_aol3, and is_aol4 aren't 100% reliable. var is_aol = (agt.indexOf("aol") != -1); var is_aol3 = (is_aol && is_ie3); var is_aol4 = (is_aol && is_ie4); var is_aol5 = (agt.indexOf("aol 5") != -1); var is_aol6 = (agt.indexOf("aol 6") != -1); var is_opera = (agt.indexOf("opera") != -1); var is_opera2 = (agt.indexOf("opera 2") != -1 || agt.indexOf("opera/2") != -1); var is_opera3 = (agt.indexOf("opera 3") != -1 || agt.indexOf("opera/3") != -1); var is_opera4 = (agt.indexOf("opera 4") != -1 || agt.indexOf("opera/4") != -1); var is_opera5 = (agt.indexOf("opera 5") != -1 || agt.indexOf("opera/5") != -1); var is_opera5up = (is_opera && !is_opera2 && !is_opera3 && !is_opera4); var is_webtv = (agt.indexOf("webtv") != -1); var is_TVNavigator = ((agt.indexOf("navio") != -1) || (agt.indexOf("navio_aoltv") != -1)); var is_AOLTV = is_TVNavigator; var is_hotjava = (agt.indexOf("hotjava") != -1); var is_hotjava3 = (is_hotjava && (is_major == 3)); var is_hotjava3up = (is_hotjava && (is_major >= 3)); // *** JAVASCRIPT VERSION CHECK *** var is_js; if (is_nav2 || is_ie3) is_js = 1.0; else if (is_nav3) is_js = 1.1; else if (is_opera5up) is_js = 1.3; else if (is_opera) is_js = 1.1; else if ((is_nav4 && (is_minor <= 4.05)) || is_ie4) is_js = 1.2; else if ((is_nav4 && (is_minor > 4.05)) || is_ie5) is_js = 1.3; else if (is_hotjava3up) is_js = 1.4; else if (is_nav6 || is_gecko) is_js = 1.5; // NOTE: In the future, update this code when newer versions of JS // are released. For now, we try to provide some upward compatibility // so that future versions of Nav and IE will show they are at // *least* JS 1.x capable. Always check for JS version compatibility // with > or >=. else if (is_nav6up) is_js = 1.5; // NOTE: ie5up on mac is 1.4 else if (is_ie5up) is_js = 1.3 // HACK: no idea for other browsers; always check for JS version with > or >= else is_js = 0.0; // *** PLATFORM *** var is_win = ( (agt.indexOf("win")!=-1) || (agt.indexOf("16bit")!=-1) ); // NOTE: On Opera 3.0, the userAgent string includes "Windows 95/NT4" on all // Win32, so you can't distinguish between Win95 and WinNT. var is_win95 = ((agt.indexOf("win95")!=-1) || (agt.indexOf("windows 95")!=-1)); // is this a 16 bit compiled version? var is_win16 = ((agt.indexOf("win16")!=-1) || (agt.indexOf("16bit")!=-1) || (agt.indexOf("windows 3.1")!=-1) || (agt.indexOf("windows 16-bit")!=-1) ); var is_win31 = ((agt.indexOf("windows 3.1")!=-1) || (agt.indexOf("win16")!=-1) || (agt.indexOf("windows 16-bit")!=-1)); var is_winme = ((agt.indexOf("win 9x 4.90")!=-1)); var is_win2k = ((agt.indexOf("windows nt 5.0")!=-1)); // NOTE: Reliable detection of Win98 may not be possible. It appears that: // - On Nav 4.x and before you'll get plain "Windows" in userAgent. // - On Mercury client, the 32-bit version will return "Win98", but // the 16-bit version running on Win98 will still return "Win95". var is_win98 = ((agt.indexOf("win98")!=-1) || (agt.indexOf("windows 98")!=-1)); var is_winnt = ((agt.indexOf("winnt")!=-1) || (agt.indexOf("windows nt")!=-1)); var is_win32 = (is_win95 || is_winnt || is_win98 || ((is_major >= 4) && (navigator.platform == "Win32")) || (agt.indexOf("win32")!=-1) || (agt.indexOf("32bit")!=-1)); var is_os2 = ((agt.indexOf("os/2")!=-1) || (navigator.appVersion.indexOf("OS/2")!=-1) || (agt.indexOf("ibm-webexplorer")!=-1)); var is_mac = (agt.indexOf("mac")!=-1); // hack ie5 js version for mac if (is_mac && is_ie5up) is_js = 1.4; var is_mac68k = (is_mac && ((agt.indexOf("68k")!=-1) || (agt.indexOf("68000")!=-1))); var is_macppc = (is_mac && ((agt.indexOf("ppc")!=-1) || (agt.indexOf("powerpc")!=-1))); var is_sun = (agt.indexOf("sunos")!=-1); var is_sun4 = (agt.indexOf("sunos 4")!=-1); var is_sun5 = (agt.indexOf("sunos 5")!=-1); var is_suni86 = (is_sun && (agt.indexOf("i86")!=-1)); var is_irix = (agt.indexOf("irix") !=-1); // SGI var is_irix5 = (agt.indexOf("irix 5") !=-1); var is_irix6 = ((agt.indexOf("irix 6") !=-1) || (agt.indexOf("irix6") !=-1)); var is_hpux = (agt.indexOf("hp-ux")!=-1); var is_hpux9 = (is_hpux && (agt.indexOf("09.")!=-1)); var is_hpux10 = (is_hpux && (agt.indexOf("10.")!=-1)); var is_aix = (agt.indexOf("aix") !=-1); // IBM var is_aix1 = (agt.indexOf("aix 1") !=-1); var is_aix2 = (agt.indexOf("aix 2") !=-1); var is_aix3 = (agt.indexOf("aix 3") !=-1); var is_aix4 = (agt.indexOf("aix 4") !=-1); var is_linux = (agt.indexOf("inux")!=-1); var is_sco = (agt.indexOf("sco")!=-1) || (agt.indexOf("unix_sv")!=-1); var is_unixware= (agt.indexOf("unix_system_v")!=-1); var is_mpras = (agt.indexOf("ncr")!=-1); var is_reliant = (agt.indexOf("reliantunix")!=-1); var is_dec = ((agt.indexOf("dec")!=-1) || (agt.indexOf("osf1")!=-1) || (agt.indexOf("dec_alpha")!=-1) || (agt.indexOf("alphaserver")!=-1) || (agt.indexOf("ultrix")!=-1) || (agt.indexOf("alphastation")!=-1)); var is_sinix = (agt.indexOf("sinix")!=-1); var is_freebsd = (agt.indexOf("freebsd")!=-1); var is_bsd = (agt.indexOf("bsd")!=-1); var is_unix = ((agt.indexOf("x11")!=-1) || is_sun || is_irix || is_hpux || is_sco ||is_unixware || is_mpras || is_reliant || is_dec || is_sinix || is_aix || is_linux || is_bsd || is_freebsd); var is_vms = ((agt.indexOf("vax")!=-1) || (agt.indexOf("openvms")!=-1)); document.write("<BR>agt="+agt); document.write("<BR>is_major="+is_major); document.write("<BR>is_minor="+is_minor); document.write("<BR>is_nav="+is_nav); document.write("<BR>is_nav2="+is_nav2); document.write("<BR>is_nav3="+is_nav3); document.write("<BR>is_nav4="+is_nav4); document.write("<BR>is_nav4up="+is_nav4up); document.write("<BR>is_navonly="+is_navonly); document.write("<BR>is_nav6="+is_nav6); document.write("<BR>is_nav6up="+is_nav6up); document.write("<BR>is_gecko="+is_gecko); document.write("<BR>is_ie="+is_ie); document.write("<BR>is_ie3="+is_ie3); document.write("<BR>is_ie4="+is_ie4); document.write("<BR>is_ie4up="+is_ie4up); document.write("<BR>is_ie5="+is_ie5); document.write("<BR>is_ie5_5="+is_ie5_5); document.write("<BR>is_ie5up="+is_ie5up); document.write("<BR>is_ie5_5up="+is_ie5_5up); document.write("<BR>is_aol="+is_aol); document.write("<BR>is_aol3="+is_aol3); document.write("<BR>is_aol4="+is_aol4); document.write("<BR>is_aol5="+is_aol5); document.write("<BR>is_aol6="+is_aol6); document.write("<BR>is_opera="+is_opera); document.write("<BR>is_opera2="+is_opera2); document.write("<BR>is_opera="+is_opera); document.write("<BR>is_opera4="+is_opera4); document.write("<BR>is_opera5="+is_opera5); document.write("<BR>is_opera5up="+is_opera5up); document.write("<BR>is_webtv="+is_webtv); document.write("<BR>is_TVNavigator="+is_TVNavigator); document.write("<BR>is_AOLTV="+is_AOLTV); document.write("<BR>is_hotjava="+is_hotjava); document.write("<BR>is_hotjava3="+is_hotjava3); document.write("<BR>is_hotjava3up="+is_hotjava3up); document.write("<BR>is_js="+is_js); document.write("<BR>is_win="+is_win); document.write("<BR>is_win95="+is_win95); document.write("<BR>is_win16="+is_win16); document.write("<BR>is_win31="+is_win31); document.write("<BR>is_winme="+is_winme); document.write("<BR>is_win2k="+is_win2k); document.write("<BR>is_win98="+is_win98); document.write("<BR>is_winnt="+is_winnt); document.write("<BR>is_win32="+is_win32); document.write("<BR>is_os2="+is_os2); document.write("<BR>is_mac="+is_mac); document.write("<BR>is_mac68k="+is_mac68k); document.write("<BR>is_macppc="+is_macppc); document.write("<BR>is_sun="+is_sun); document.write("<BR>is_sun4="+is_sun4); document.write("<BR>is_sun5="+is_sun5); document.write("<BR>is_suni86="+is_suni86); document.write("<BR>is_irix="+is_irix); document.write("<BR>is_irix5="+is_irix5); document.write("<BR>is_irix6="+is_irix6); document.write("<BR>is_hpux="+is_hpux); document.write("<BR>is_hpux9="+is_hpux9); document.write("<BR>is_hpux10="+is_hpux10); document.write("<BR>is_aix="+is_aix); document.write("<BR>is_aix1="+is_aix1); document.write("<BR>is_aix2="+is_aix2); document.write("<BR>is_aix3="+is_aix3); document.write("<BR>is_aix4="+is_aix4); document.write("<BR>is_linux="+is_linux); document.write("<BR>is_sco="+is_sco); document.write("<BR>is_unixware="+is_unixware); document.write("<BR>is_mpras="+is_mpras); document.write("<BR>is_reliant="+is_reliant); document.write("<BR>is_dec="+is_dec); document.write("<BR>is_sinix="+is_sinix); document.write("<BR>is_freebsd="+is_freebsd); document.write("<BR>is_bsd="+is_bsd); document.write("<BR>is_unix="+is_unix); document.write("<BR>is_vms="+is_vms); </script>