php document.getel,javascript 密码强弱度检测万能插件_javascript技巧

赵鸿畴

2023-12-01

网页密码强弱度检测

请输入密码

弱

中

强

所需JS下载

//=============================checkpwd.js=================================//

//*Author Netcent Aquany

//*

function GEId(sID)

{

try{return document.getElementById(sID)}catch(e){};

}

function GetEl(szN)

{

try{return document.getElementsByName(szN)[0]}catch(e){};

}

function GetElCol(szN)

{

try{return document.getElementsByName(szN)}catch(e){};

}

function EvalPwd(sP)

{

var aPQ=new Array(6);

if(ClientSideStrongPassword(sP,gSimilarityMap,gDictionary))

{

aPQ=["#0c6","#0c6","#0c6","#0c6","#0c6","#000"];

}

else if(ClientSideMediumPassword(sP,gSimilarityMap,gDictionary))

{

aPQ=["#ff9","#ff9","#F1F1F1","#ff9","#000","#adadad"];

}

else if(ClientSideWeakPassword(sP,gSimilarityMap,gDictionary))

{

aPQ=["#f00","#F1F1F1","#F1F1F1","#000","#adadad","#adadad"];

}

else

{

aPQ=["#F1F1F1","#F1F1F1","#F1F1F1","#adadad","#adadad","#adadad"];

}

var oW=GEId("pweak").style;

var oM=GEId("pmedium").style;

var oS=GEId("pstrong").style;

oW.background=aPQ[0];

oM.background=aPQ[1];

oS.background=aPQ[2];

oW.color=aPQ[3];

oM.color=aPQ[4];

oS.color=aPQ[5];

}

//*

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 += "

\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 Init()

{

gSimilarityMap.Add('3', 'e');

gSimilarityMap.Add('x', 'k');

gSimilarityMap.Add('5', 's');

gSimilarityMap.Add('$', 's');

gSimilarityMap.Add('6', 'g');

gSimilarityMap.Add('7', 't');

gSimilarityMap.Add('8', 'b');

gSimilarityMap.Add('|', 'l');

gSimilarityMap.Add('9', 'g');

gSimilarityMap.Add('+', 't');

gSimilarityMap.Add('@', 'a');

gSimilarityMap.Add('0', 'o');

gSimilarityMap.Add('1', 'l');

gSimilarityMap.Add('2', 'z');

gSimilarityMap.Add('!', 'i');

gDictionary.Add(3,

"oat|not|ken|keg|ham|hal|gas|cpu|cit|bop|bah".split("|"));

gDictionary.Add(4,

gDictionary.Add(5,

gDictionary.Add(6,

gDictionary.Add(7,

gDictionary.Add(8,

gDictionary.Add(9,

gDictionary.Add(10,

gDictionary.Add(11,

gDictionary.Add(12,

gDictionary.Add(13,

gDictionary.Add(14,

gDictionary.Add(15,

"irreconciliable|instrumentation|incomprehension".split("|"));

gDictionary.Add(16,

"incomprehensible".split("|"));

}

function ClientSideStrongPassword()

{

return (IsLongEnough(ClientSideStrongPassword.arguments[0], "7") &&

SpansEnoughCharacterSets(ClientSideStrongPassword.arguments[0], "3") &&

(!(IsCloseVariationOfAWordInDictionary(ClientSideStrongPassword.arguments[0], "0.6",

ClientSideStrongPassword.arguments[1], ClientSideStrongPassword.arguments[2]))));

}

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"))));

}

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php document.getel,javascript 密码强弱度检测万能插件_javascript技巧

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