Web page Password strength Detection instance code

Imitation MSN Password strength detection

The following JS file code: var knocanonicalcounterpart = 0; var kcapitalletter = 0; var ksmallletter = 1; var kdigit = 2; var kpunctuation = 3; var kalpha = 4; var kcanonicalizelettersonly = true; var kcananicalizeeverything = false; var gdebugoutput = null; var kdebugtracelevelnone = 0; var kdebugtracelevelsuperdetail = 120; var kdebugtracelevelrealdetail = 100; var kdebugtracelevelall = 80; var kdebugtracelevelmost = 60; var kdebugtracelevelfew = 40; var kdebugtracelevelrare = 20; var gdebugtracelevel = Kdebugtracelevelnone; function DebugPrint () { var string = ""; if (gdebugtracelevel && gdebugoutput && Debugprint.arguments && (DebugPrint.arguments.length > 1) && (Debugprint.arguments[0] <= Gdebugtracelevel)) { for (var index = 1; index < DebugPrint.arguments.length; index++) { string + + Debugprint.arguments[index] + ""; } String = + "<br>\n"; Gdebugoutput (string); } } function Csimilaritymap () { This.m_elements = ""; This.m_canonicalcounterparts = ""; } function Similaritymap_add (element, Canonicalcounterpart) { This.m_elements + = element; This.m_canonicalcounterparts + = Canonicalcounterpart; } function Similaritymap_lookup (Element) { var canonicalcounterpart = Knocanonicalcounterpart; var index = this.m_elements.indexOf (element); if (index >= 0) { Canonicalcounterpart = this.m_canonicalCounterparts.charAt (index); } Else { } return canonicalcounterpart; } function Similaritymap_getcount () { return this.m_elements.length; } CSIMILARITYMAP.PROTOTYPE.ADD = Similaritymap_add; CSimilarityMap.prototype.Lookup = Similaritymap_lookup; CSimilarityMap.prototype.GetCount = Similaritymap_getcount; function cdictionaryentry (length, wordlist) { this.m_length = length; This.m_wordlist = wordlist; } function Dictionaryentry_lookup (Strword) { var ffound = false; if (strword.length = = this.m_length) { var nfirst = 0; var nlast = this.m_wordlist.length-1; while (Nfirst <= nlast) { var ncurrent = Math.floor ((Nfirst + nlast)/2); if (Strword = = This.m_wordlist[ncurrent]) { Ffound = true; Break } else if (Strword > This.m_wordlist[ncurrent]) { Nlast = nCurrent-1; } Else { Nfirst = ncurrent + 1; } } } return ffound; } CDictionaryEntry.prototype.Lookup = Dictionaryentry_lookup; function CDictionary () { This.m_entries = new Array () } function Dictionary_lookup (Strword) { for (var index = 0; index < this.m_entries.length; index++) { if (This.m_entries[index). Lookup (Strword)) { return true; } } } function Dictionary_add (length, wordlist) { var il=this.m_entries.length; var cd=new cdictionaryentry (length, wordlist) THIS.M_ENTRIES[IL]=CD; } CDictionary.prototype.Lookup = Dictionary_lookup; CDICTIONARY.PROTOTYPE.ADD = Dictionary_add; var gsimilaritymap = new Csimilaritymap (); var gdictionary = new CDictionary (); function Charactersetchecks (type, fresult) { This.type = type; This.fresult = Fresult; } function Isctype (character, type, ndebuglevel) { var fresult = false; Switch (type) { Case Kcapitalletter: if ((character >= ' A ') && (character <= ' Z ')) { Fresult = true; } Break Case Ksmallletter: if ((character >= ' a ') && (character <= ' z ')) { Fresult = true; } Break Case Kdigit: if ((character >= ' 0 ') && (character <= ' 9 ')) { Fresult = true; } Break Case Kpunctuation: if ("!@#$%^&* () _+-= ' \";: [{]}\|. >,</"~" indexOf (character) >= 0) { Fresult = true; } Break Case Kalpha: if (Isctype (character, kcapitalletter) | | | isctype (character, Ksmallletter)) { Fresult = true; } Break Default Break } return fresult; } function Canonicalizeword (Strword, Similaritymap, flettersonly) { var canonicalcounterpart = Knocanonicalcounterpart; var strcanonicalizedword = ""; var nstringlength = 0; if ((Strword!= null) && (strword.length > 0)) { Strcanonicalizedword = Strword; Strcanonicalizedword = Strcanonicalizedword.tolowercase (); if (Similaritymap.getcount () > 0) { Nstringlength = Strcanonicalizedword.length; for (var index = 0; index < nstringlength; index++) { if (flettersonly &&!isctype (Strcanonicalizedword.charat (index), Ksmallletter, Kdebugtracelevelsuperdetail) ) { Continue } Canonicalcounterpart = Similaritymap.lookup (Strcanonicalizedword.charat (index)); if (Canonicalcounterpart!= knocanonicalcounterpart) { Strcanonicalizedword = strcanonicalizedword.substring (0, index) + Canonicalcounterpart + Strcanonicalizedword.substring (index + 1, nstringlength); } } } } return Strcanonicalizedword; } function Islongenough (Strword, Natleastthislong) { if ((Strword = null) | | isNaN (NATLEASTTHISLONG)) { return false; } else if (Strword.length < Natleastthislong) { return false; } return true; } function Spansenoughcharactersets (Strword, Natleastthismany) { var ncharsets = 0; var charactersetchecks = new Array ( New Charactersetchecks (Kcapitalletter, False), New Charactersetchecks (Ksmallletter, False), New Charactersetchecks (Kdigit, False), New Charactersetchecks (Kpunctuation, False) ); if ((Strword = null) | | isNaN (natleastthismany)) { return false; } for (var index = 0; index < strword.length; index++) { for (var ncharset = 0; Ncharset < charactersetchecks.length;ncharset++) { if (!charactersetchecks[ncharset].fresult && isctype (Strword.charat (index), charactersetchecks[ncharset). Type, Kdebugtracelevelall)) { Charactersetchecks[ncharset].fresult = true; Break } } } for (var ncharset = 0; Ncharset < charactersetchecks.length;ncharset++) { if (Charactersetchecks[ncharset].fresult) { ncharsets++; } } if (Ncharsets < Natleastthismany) { return false; } return true; } function Foundindictionary (Strword, Similaritymap, dictionary) { var strcanonicalizedword = ""; if ((Strword = null) | | (Similaritymap = null) | | (dictionary = null)) { return true; } Strcanonicalizedword = Canonicalizeword (Strword, Similaritymap, kcanonicalizelettersonly); if (dictionary. Lookup (Strcanonicalizedword)) { return true; } return false; } function Isclosevariationofawordindictionary (Strword, Threshold, Similaritymap, dictionary) { var strcanonicalizedword = ""; var nminimummeaningfulmatchlength = 0; if ((Strword = null) | | isNaN (threshold) | | (Similaritymap = null) | | (dictionary = null)) { return true; } Strcanonicalizedword = Canonicalizeword (Strword, Similaritymap, kcananicalizeeverything); Nminimummeaningfulmatchlength = Math.floor (threshold) * strcanonicalizedword.length); for (var nsubstringlength = strcanonicalizedword.length; nsubstringlength >= nminimummeaningfulmatchlength; nsubstringlength--) { for (var nsubstringstart = 0; (Nsubstringstart + nminimummeaningfulmatchlength) < strcanonicalizedword.length; nsubstringstart++) { var Strsubword = Strcanonicalizedword.substr (Nsubstringstart, nsubstringlength); if (dictionary. Lookup (Strsubword)) { return true; } } } return false; } function Clientsidestrongpassword () { Return (Islongenough (Clientsidestrongpassword.arguments[0], "7") && Spansenoughcharactersets (Clientsidestrongpassword.arguments[0], "3") && (! (Isclosevariationofawordindictionary (Clientsidestrongpassword.arguments[0], "0.6", CLIENTSIDESTRONGPASSWORD.ARGUMENTS[1])); } function Clientsidemediumpassword () { Return (Islongenough (Clientsidemediumpassword.arguments[0], "7") && Spansenoughcharactersets (Clientsidemediumpassword.arguments[0], "2") && (! (Foundindictionary (Clientsidemediumpassword.arguments[0], clientsidemediumpassword.arguments[1], CLIENTSIDEMEDIUMPASSWORD.ARGUMENTS[2]))); } function Clientsideweakpassword () { Return (Islongenough (Clientsideweakpassword.arguments[0], "6") | | (! (Islongenough (clientsideweakpassword.arguments[0], "0"))); } function Geid (SID) {return document.getElementById (SID);} Function evalpwdstrength (OF,SP) {padpasswd (of,sp.length*2); if (Clientsidestrongpassword, Gdictionary)) {disppwdstrength (3, ' css0165 ');} Else if (Clientsidemediumpassword (sp,gsimilaritymap,gdictionary)) {disppwdstrength (2, ' css0164 ');} Else if (Clientsideweakpassword (sp,gsimilaritymap,gdictionary)) {disppwdstrength (1, ' css0163 ');} Else{disppwdstrength (0, ' css0162 ');} Function setpwdstrengthex (OF,SP) {evalpwdstrength (OF,SP); if (Clientsidestrongpassword, Gdictionary)) {document.cookie= "pwdstrength=3";} Else if (Clientsidemediumpassword (sp,gsimilaritymap,gdictionary)) {document.cookie= "pwdstrength=2";} Else if (Clientsideweakpassword (sp,gsimilaritymap,gdictionary)) {document.cookie= "pwdstrength=1";} Else{document.cookie= "Pwdstrength=0";} Function setpwdstrength (sp,of) {if (Clientsidestrongpassword (sp,gsimilaritymap,gdictionary)) {oF.value  = 3;} Else if (Clientsidemediumpassword (sp,gsimilaritymap,gdictionary)) {of.value = 2;} ElSe if (Clientsideweakpassword (sp,gsimilaritymap,gdictionary)) {of.value = 1;} ELSE{OF.VALUE&NBSP;=&NBSP;0}} Function xpwcont () {if  (typeof (Parent.opener.RegistrationFinishedCallback)!= "undefined") { Parent.opener.RegistrationFinishedCallback ();} Parent.close ();} Function onsigninsubmit (OF) {if (G_fas) {return false;} if (typeof of!= "Object") {Return false} Var bl=true,bp=true,bi=true,bh=true;bl=val (Of.login); Var sem=of.login.value;bl=valem (SEM); if (typeof  of.passwd== "Object") {Bp=val (OF.PASSWD);} if (typeof of.pin== "Object") {Bi=val (of.pin);} if (typeof of.hipsolution== "Object") {Bh=val (of.hipsolution);} if (!bl| |! bp| |! bi| |! BH) {var fsf=true;var ae=["i0518", "i0519", "i0512", "i0527", "i0545", "i0562", "i0517"]; Hdivs (AE); if (!BL) {fsf=swerr ("i0519", OF.LOGIN,FSF)};if (!bi) {fsf=swerr ("i0527", OF.PIN,FSF)};if (!BH) {Fsf=swerr (" i0517 ", OF.HIPSOLUTION,FSF)};if (!BP) {fsf=swerr (" i0512 ", OF.PASSWD,FSF)};return false;} if (typeof of.passwd== "objecT ") {PADPASSWD (of,of.passwd.value.length);} if (typeof g_do!= "undefined") {Var dom=sem.substr (Sem.indexof (' @ ') +1); var su=g_do[dom.tolowercase ()];if (SU) {OF.ACTION=SU}} if (typeof g_qs!= "undefined") {if (G_qs) {var ss= "&"; if (oF.action.indexOf ('? ') ==-1) {ss= "?";} if (OF.action.indexOf (G_QS) ==-1) {Of.action+=ss+g_qs;}}} G_fas=true;of.login.value=of.login.value.tolowercase (); Of.submit (); return false;} Function onpadsubmit (OF) {if (typeof of.currpw== "Object") {padpasswd (of,of.currpw.value.length);} Of.submit (); return false;} Function onpadsubmitwithaction (Of,szu) {if (typeof of.currpw== "Object") {padpasswd (OF, OF.CurrPW.value.length);} Return onsubmitwithaction (Of,szu);} FUNCTION&NBSP;PADPASSWD (OF,LPWD) {if (typeof of.pwdpad== "Object") {var spad= " Ifyouarereadingthisyouhavetoomuchfreetime "; var lpad=spad.length-lpwd;of.pwdpad.value=spad.substr (0, LPad <0)? 0:lpad);} Function hdivs (AE) {for (var i=0;i<ae.length;++i) {Var o=geid (Ae[i]); if (o) {o.style.display= "none";}}} Function swerr (SID,OFN,FSF) {Geid (SID). style.display= "Block"; if (FSF) {ofn.focus (); Ofn.select ();} return false; }

The following is the CSS file code: . css0162 {background-color: #EBEBEB; border-right:solid 1px #BEBEBE; 1px #BEBEBE border-bottom:solid;} . css0163 {background-color: #FF4545; border-right:solid 1px #BB2B2B; 1px #BB2B2B border-bottom:solid;} . css0164 {background-color: #FFD35E; border-right:solid 1px #E9AE10; 1px #E9AE10 border-bottom:solid;} . css0165 {background-color: #3ABB1C; border-right:solid 1px #267A12; 1px #267A12 border-bottom:solid;}

The following is a form page code: <link rel= "stylesheet" type= "Text/css" href= "Webblue1033.css"/> <script type= "Text/javascript" src= "Pswdplc.js" ></script> <form name= "Regprofileform" style= "margin:0px" method= "POST" target= "_self" > Password: <input name= "p3e8" type= "password" id= "Id3e8_9" maxlength= "autocomplete=" Off "value=" "style=" Ime-mode: Disabled "class=" css0081 "onkeyup=" Javascript:setpwdstrengthex (document.forms[0],this.value); "/> <br/> <script type= "Text/javascript" > function Disppwdstrength (IN,SHL) {if (in>3) {in=3} for (Var i=0;i<4;i++) {var shcr= "css0162"; if (i<=in) {SHCR=SHL;} if (i>0) {Geid ("IDSM" +i). CLASSNAME=SHCR; Geid ("Idsmt" +i). style.display= ((i==in)? " Inline ": none");} </script> <table cellpadding= "0"  cellspacing= "0"  class= "css0161"  style= "height:19px" ><tr ><td id= "idSM1"  width= "33%"  class= "css0162" Center " align=" font-size:1px "> </span><span id=" idSMT1 " style=" display:none; > Weak </span></td><td id= "idSM2"  width= "34%"  class= "css0162"  align= "center"  style= "border-left:solid 1px  #fff" ><span style= "font-size:1px" > </span ><span id= "idSMT0"  style= "Display:inline;font-weight:normal;color: #666" >not rated</ Span><span id= "idSMT2"  style= "Display:none;" > </span></td><td id= "idSM3"  width= "33%"  class= "css0162"  align= "center"  style= "border-left:solid 1px  #fff" ><span style= "font-size:1px" > </span ><span id= "idSMT3"  style= "Display:none;" > Strong </span></td></tR></table>