Publish

Author: HyunSeob

.gitignore

@@ -1,37 +1,3 @@
-# Logs
-logs
-*.log
-npm-debug.log*
-
-# Runtime data
-pids
-*.pid
-*.seed
-
-# Directory for instrumented libs generated by jscoverage/JSCover
-lib-cov
-
-# Coverage directory used by tools like istanbul
-coverage
-
-# nyc test coverage
-.nyc_output
-
-# Grunt intermediate storage (http://gruntjs.com/creating-plugins#storing-task-files)
-.grunt
-
-# node-waf configuration
-.lock-wscript
-
-# Compiled binary addons (http://nodejs.org/api/addons.html)
-build/Release
-
-# Dependency directories
 node_modules
-jspm_packages
-
-# Optional npm cache directory
-.npm
-
-# Optional REPL history
-.node_repl_history
+dist
+yarn.lock

README.md

@@ -1,2 +1,18 @@
 # password-complexity
-Check password complexity lightly.
+A light weight password complexity evaluator
+
+## Install
+```
+$ npm install password-complexify
+```
+
+## Usage
+``` javascript
+const evaluateComplexity = require('password-complexify');
+
+evaluateComplexity('password');
+```
+
+## License
+MIT
+Based on jquery.complexify.js, copyright Dan Palmer.

package.json

@@ -0,0 +1,21 @@
+{
+ "name": "password-complexify",
+ "description": "A light weight password complexity evaluator",
+ "main": "./src/password-complexify.js",
+ "repository": {
+ "type": "git",
+ "url": "git+https://github.com/HyunSeob/password-complexify.git"
+ },
+ "keywords": [
+ "password",
+ "password complexity",
+ "password strength",
+ "zxcvbn"
+ ],
+ "author": "HyunSeob <sytte1017@gmail.com> (http://hyunseob.github.io)",
+ "license": "MIT",
+ "bugs": {
+ "url": "https://github.com/HyunSeob/password-complexify/issues"
+ },
+ "homepage": "https://github.com/HyunSeob/password-complexify"
+}

src/password-complexify.js

@@ -0,0 +1,154 @@
+/*
+ * Based on jquery.complexify.js, copyright Dan Palmer.
+ */
+
+/*
+Generated from 500 worst passwords and 401 banned twiiter passwords as of 20150520.
+@source http://www.skullsecurity.org/wiki/index.php/Passwords
+
+Filtered to remove any passwords shorter than 4 characters, as these will cause
+unwanted behaviour when in strict banning mode.
+*/
+
+const bannedList = '000000|111111|11111111|112233|121212|123123|123456|1234567|12345678|123456789|131313|232323|654321|666666|696969|777777|7777777|8675309|987654|nnnnnn|nop123|nopqrs|noteglh|npprff|npprff14|npgvba|nyoreg|nyoregb|nyrkvf|nyrwnaqen|nyrwnaqeb|nznaqn|nzngrhe|nzrevpn|naqern|naqerj|natryn|natryf|navzny|nagubal|ncbyyb|nccyrf|nefrany|neguhe|nfqstu|nfuyrl|nffubyr|nhthfg|nhfgva|onqobl|onvyrl|onanan|onearl|onfronyy|ongzna|orngevm|ornire|ornivf|ovtpbpx|ovtqnqql|ovtqvpx|ovtqbt|ovtgvgf|oveqvr|ovgpurf|ovgrzr|oynmre|oybaqr|oybaqrf|oybjwbo|oybjzr|obaq007|obavgn|obaavr|obbobb|obbtre|obbzre|obfgba|oenaqba|oenaql|oenirf|oenmvy|oebapb|oebapbf|ohyyqbt|ohfgre|ohggre|ohggurnq|pnyiva|pnzneb|pnzreba|pnanqn|pncgnva|pneybf|pnegre|pnfcre|puneyrf|puneyvr|purrfr|puryfrn|purfgre|puvpntb|puvpxra|pbpnpbyn|pbssrr|pbyyrtr|pbzcnd|pbzchgre|pbafhzre|pbbxvr|pbbcre|pbeirggr|pbjobl|pbjoblf|pelfgny|phzzvat|phzfubg|qnxbgn|qnyynf|qnavry|qnavryyr|qroovr|qraavf|qvnoyb|qvnzbaq|qbpgbe|qbttvr|qbycuva|qbycuvaf|qbanyq|qentba|qernzf|qevire|rntyr1|rntyrf|rqjneq|rvafgrva|rebgvp|rfgeryyn|rkgerzr|snypba|sraqre|sreenev|sveroveq|svfuvat|sybevqn|sybjre|sylref|sbbgonyy|sberire|serqql|serrqbz|shpxrq|shpxre|shpxvat|shpxzr|shpxlbh|tnaqnys|tngrjnl|tngbef|trzvav|trbetr|tvnagf|tvatre|tvmzbqb|tbyqra|tbysre|tbeqba|tertbel|thvgne|thaare|unzzre|unaanu|uneqpber|uneyrl|urngure|uryczr|uragnv|ubpxrl|ubbgref|ubearl|ubgqbt|uhagre|uhagvat|vprzna|vybirlbh|vagrearg|vjnagh|wnpxvr|wnpxfba|wnthne|wnfzvar|wnfcre|wraavsre|wrerzl|wrffvpn|wbuaal|wbuafba|wbeqna|wbfrcu|wbfuhn|whavbe|whfgva|xvyyre|xavtug|ynqvrf|ynxref|ynhera|yrngure|yrtraq|yrgzrva|yvggyr|ybaqba|ybiref|znqqbt|znqvfba|znttvr|zntahz|znevar|znevcbfn|zneyobeb|znegva|zneiva|znfgre|zngevk|znggurj|znirevpx|znkjryy|zryvffn|zrzore|zreprqrf|zreyva|zvpunry|zvpuryyr|zvpxrl|zvqavtug|zvyyre|zvfgerff|zbavpn|zbaxrl|zbafgre|zbetna|zbgure|zbhagnva|zhssva|zhecul|zhfgnat|anxrq|anfpne|anguna|anhtugl|app1701|arjlbex|avpubynf|avpbyr|avccyr|avccyrf|byvire|benatr|cnpxref|cnagure|cnagvrf|cnexre|cnffjbeq|cnffjbeq1|cnffjbeq12|cnffjbeq123|cngevpx|crnpurf|crnahg|crccre|cunagbz|cubravk|cynlre|cyrnfr|cbbxvr|cbefpur|cevapr|cevaprff|cevingr|checyr|chffvrf|dnmjfk|djregl|djreglhv|enoovg|enpury|enpvat|envqref|envaobj|enatre|enatref|erorppn|erqfxvaf|erqfbk|erqjvatf|evpuneq|eboreg|eboregb|ebpxrg|ebfrohq|ehaare|ehfu2112|ehffvn|fnznagun|fnzzl|fnzfba|fnaqen|fnghea|fpbbol|fpbbgre|fpbecvb|fpbecvba|fronfgvna|frperg|frkfrk|funqbj|funaaba|funirq|fvreen|fvyire|fxvccl|fynlre|fzbxrl|fabbcl|fbppre|fbcuvr|fcnaxl|fcnexl|fcvqre|fdhveg|fevavinf|fgnegerx|fgnejnef|fgrryref|fgrira|fgvpxl|fghcvq|fhpprff|fhpxvg|fhzzre|fhafuvar|fhcrezna|fhesre|fjvzzvat|flqarl|grdhvreb|gnlybe|graavf|grerfn|grfgre|grfgvat|gurzna|gubznf|guhaqre|guk1138|gvssnal|gvtref|gvttre|gbzpng|gbctha|gblbgn|genivf|gebhoyr|gehfgab1|ghpxre|ghegyr|gjvggre|havgrq|intvan|ivpgbe|ivpgbevn|ivxvat|ibbqbb|iblntre|jnygre|jneevbe|jrypbzr|jungrire|jvyyvnz|jvyyvr|jvyfba|jvaare|jvafgba|jvagre|jvmneq|knivre|kkkkkk|kkkkkkkk|lnznun|lnaxrr|lnaxrrf|lryybj|mkpioa|mkpioaz|mmmmmm|password|1234|pussy|12345|dragon|qwerty|mustang|letmein|baseball|master|michael|football|shadow|monkey|abc123|pass|fuckme|6969|jordan|harley|ranger|iwantu|jennifer|hunter|fuck|2000|test|batman|trustno1|thomas|tigger|robert|access|love|buster|soccer|hockey|killer|george|sexy|andrew|charlie|superman|asshole|fuckyou|dallas|jessica|panties|pepper|1111|austin|william|daniel|golfer|summer|heather|hammer|yankees|joshua|maggie|biteme|enter|ashley|thunder|cowboy|silver|richard|fucker|orange|merlin|michelle|corvette|bigdog|cheese|matthew|patrick|martin|freedom|ginger|blowjob|nicole|sparky|yellow|camaro|secret|dick|falcon|taylor|bitch|hello|scooter|please|porsche|guitar|chelsea|black|diamond|nascar|jackson|cameron|computer|amanda|wizard|xxxxxxxx|money|phoenix|mickey|bailey|knight|iceman|tigers|purple|andrea|horny|dakota|aaaaaa|player|sunshine|morgan|starwars|boomer|cowboys|edward|charles|girls|booboo|coffee|xxxxxx|bulldog|ncc1701|rabbit|peanut|john|johnny|gandalf|spanky|winter|brandy|compaq|carlos|tennis|james|mike|brandon|fender|anthony|blowme|ferrari|cookie|chicken|maverick|chicago|joseph|diablo|sexsex|hardcore|willie|welcome|chris|panther|yamaha|justin|banana|driver|marine|angels|fishing|david|maddog|hooters|wilson|butthead|dennis|fucking|captain|bigdick|chester|smokey|xavier|steven|viking|snoopy|blue|eagles|winner|samantha|house|miller|flower|jack|firebird|butter|united|turtle|steelers|tiffany|zxcvbn|tomcat|golf|bond007|bear|tiger|doctor|gateway|gators|angel|junior|thx1138|porno|badboy|debbie|spider|melissa|booger|1212|flyers|fish|porn|matrix|teens|scooby|jason|walter|cumshot|boston|braves|yankee|lover|barney|victor|tucker|princess|mercedes|5150|doggie|zzzzzz|gunner|horney|bubba|2112|fred|johnson|xxxxx|tits|member|boobs|donald|bigdaddy|bronco|penis|voyager|rangers|birdie|trouble|white|topgun|bigtits|bitches|green|super|qazwsx|magic|lakers|rachel|slayer|scott|2222|asdf|video|london|7777|marlboro|srinivas|internet|action|carter|jasper|monster|teresa|jeremy|bill|crystal|peter|pussies|cock|beer|rocket|theman|oliver|prince|beach|amateur|muffin|redsox|star|testing|shannon|murphy|frank|hannah|dave|eagle1|11111|mother|nathan|raiders|steve|forever|angela|viper|ou812|jake|lovers|suckit|gregory|buddy|whatever|young|nicholas|lucky|helpme|jackie|monica|midnight|college|baby|cunt|brian|mark|startrek|sierra|leather|4444|beavis|bigcock|happy|sophie|ladies|naughty|giants|booty|blonde|fucked|golden|fire|sandra|pookie|packers|einstein|dolphins|chevy|winston|warrior|sammy|slut|zxcvbnm|nipples|power|victoria|asdfgh|vagina|toyota|travis|hotdog|paris|rock|xxxx|extreme|redskins|erotic|dirty|ford|freddy|arsenal|access14|wolf|nipple|iloveyou|alex|florida|eric|legend|movie|success|rosebud|jaguar|great|cool|cooper|1313|scorpio|mountain|madison|brazil|lauren|japan|naked|squirt|stars|apple|alexis|aaaa|bonnie|peaches|jasmine|kevin|matt|qwertyui|danielle|beaver|4321|4128|runner|swimming|dolphin|gordon|casper|stupid|shit|saturn|gemini|apples|august|3333|canada|blazer|cumming|hunting|kitty|rainbow|arthur|cream|calvin|shaved|surfer|samson|kelly|paul|mine|king|racing|5555|eagle|hentai|newyork|little|redwings|smith|sticky|cocacola|animal|broncos|private|skippy|marvin|blondes|enjoy|girl|apollo|parker|qwert|time|sydney|women|voodoo|magnum|juice|abgrtyu|dreams|maxwell|music|rush2112|russia|scorpion|rebecca|tester|mistress|phantom|billy|6666|albert|abcdef|password1|password12|password123|twitter'.split('|');
+
+const MIN_COMPLEXIFY = 49;
+const MAX_COMPLEXIFY = 120;
+
+const CHARSETS = [
+ // Commonly Used
+ ////////////////////
+ [0x0020, 0x0020], // Space
+ [0x0030, 0x0039], // Numbers
+ [0x0041, 0x005A], // Uppercase
+ [0x0061, 0x007A], // Lowercase
+ [0x0021, 0x002F], // Punctuation
+ [0x003A, 0x0040], // Punctuation
+ [0x005B, 0x0060], // Punctuation
+ [0x007B, 0x007E], // Punctuation
+ // Everything Else
+ ////////////////////
+ [0x0080, 0x00FF], // Latin-1 Supplement
+ [0x0100, 0x017F], // Latin Extended-A
+ [0x0180, 0x024F], // Latin Extended-B
+ [0x0250, 0x02AF], // IPA Extensions
+ [0x02B0, 0x02FF], // Spacing Modifier Letters
+ [0x0300, 0x036F], // Combining Diacritical Marks
+ [0x0370, 0x03FF], // Greek
+ [0x0400, 0x04FF], // Cyrillic
+ [0x0530, 0x058F], // Armenian
+ [0x0590, 0x05FF], // Hebrew
+ [0x0600, 0x06FF], // Arabic
+ [0x0700, 0x074F], // Syriac
+ [0x0780, 0x07BF], // Thaana
+ [0x0900, 0x097F], // Devanagari
+ [0x0980, 0x09FF], // Bengali
+ [0x0A00, 0x0A7F], // Gurmukhi
+ [0x0A80, 0x0AFF], // Gujarati
+ [0x0B00, 0x0B7F], // Oriya
+ [0x0B80, 0x0BFF], // Tamil
+ [0x0C00, 0x0C7F], // Telugu
+ [0x0C80, 0x0CFF], // Kannada
+ [0x0D00, 0x0D7F], // Malayalam
+ [0x0D80, 0x0DFF], // Sinhala
+ [0x0E00, 0x0E7F], // Thai
+ [0x0E80, 0x0EFF], // Lao
+ [0x0F00, 0x0FFF], // Tibetan
+ [0x1000, 0x109F], // Myanmar
+ [0x10A0, 0x10FF], // Georgian
+ [0x1100, 0x11FF], // Hangul Jamo
+ [0x1200, 0x137F], // Ethiopic
+ [0x13A0, 0x13FF], // Cherokee
+ [0x1400, 0x167F], // Unified Canadian Aboriginal Syllabics
+ [0x1680, 0x169F], // Ogham
+ [0x16A0, 0x16FF], // Runic
+ [0x1780, 0x17FF], // Khmer
+ [0x1800, 0x18AF], // Mongolian
+ [0x1E00, 0x1EFF], // Latin Extended Additional
+ [0x1F00, 0x1FFF], // Greek Extended
+ [0x2000, 0x206F], // General Punctuation
+ [0x2070, 0x209F], // Superscripts and Subscripts
+ [0x20A0, 0x20CF], // Currency Symbols
+ [0x20D0, 0x20FF], // Combining Marks for Symbols
+ [0x2100, 0x214F], // Letterlike Symbols
+ [0x2150, 0x218F], // Number Forms
+ [0x2190, 0x21FF], // Arrows
+ [0x2200, 0x22FF], // Mathematical Operators
+ [0x2300, 0x23FF], // Miscellaneous Technical
+ [0x2400, 0x243F], // Control Pictures
+ [0x2440, 0x245F], // Optical Character Recognition
+ [0x2460, 0x24FF], // Enclosed Alphanumerics
+ [0x2500, 0x257F], // Box Drawing
+ [0x2580, 0x259F], // Block Elements
+ [0x25A0, 0x25FF], // Geometric Shapes
+ [0x2600, 0x26FF], // Miscellaneous Symbols
+ [0x2700, 0x27BF], // Dingbats
+ [0x2800, 0x28FF], // Braille Patterns
+ [0x2E80, 0x2EFF], // CJK Radicals Supplement
+ [0x2F00, 0x2FDF], // Kangxi Radicals
+ [0x2FF0, 0x2FFF], // Ideographic Description Characters
+ [0x3000, 0x303F], // CJK Symbols and Punctuation
+ [0x3040, 0x309F], // Hiragana
+ [0x30A0, 0x30FF], // Katakana
+ [0x3100, 0x312F], // Bopomofo
+ [0x3130, 0x318F], // Hangul Compatibility Jamo
+ [0x3190, 0x319F], // Kanbun
+ [0x31A0, 0x31BF], // Bopomofo Extended
+ [0x3200, 0x32FF], // Enclosed CJK Letters and Months
+ [0x3300, 0x33FF], // CJK Compatibility
+ [0x3400, 0x4DB5], // CJK Unified Ideographs Extension A
+ [0x4E00, 0x9FFF], // CJK Unified Ideographs
+ [0xA000, 0xA48F], // Yi Syllables
+ [0xA490, 0xA4CF], // Yi Radicals
+ [0xAC00, 0xD7A3], // Hangul Syllables
+ [0xD800, 0xDB7F], // High Surrogates
+ [0xDB80, 0xDBFF], // High Private Use Surrogates
+ [0xDC00, 0xDFFF], // Low Surrogates
+ [0xE000, 0xF8FF], // Private Use
+ [0xF900, 0xFAFF], // CJK Compatibility Ideographs
+ [0xFB00, 0xFB4F], // Alphabetic Presentation Forms
+ [0xFB50, 0xFDFF], // Arabic Presentation Forms-A
+ [0xFE20, 0xFE2F], // Combining Half Marks
+ [0xFE30, 0xFE4F], // CJK Compatibility Forms
+ [0xFE50, 0xFE6F], // Small Form Variants
+ [0xFE70, 0xFEFE], // Arabic Presentation Forms-B
+ [0xFEFF, 0xFEFF], // Specials
+ [0xFF00, 0xFFEF], // Halfwidth and Fullwidth Forms
+ [0xFFF0, 0xFFFD] // Specials
+];
+
+/**
+ * Get complexity score from string and character pair.
+ *
+ * @private
+ * @param {string} string to be evaluated.
+ * @param {Array} character pair
+ * @returns {number} complexity score.
+ */
+function additionalComplexityForCharset(str, charset) {
+ return str.split('')
+ .map(v => v.charCodeAt(0))
+ .filter(v => (charset[0] <= v) && (v <= charset[1]))
+ .length
+ ? (charset[1] - charset[0] + 1)
+ : 0;
+}
+
+/**
+ * Get complexity score from given password.
+ *
+ * @static
+ * @param {string} password A password to be evaluated.
+ * @returns {number} complexity A complexity of given password.
+ * @example
+ *
+ * var password = '12345678';
+ * evaluateComplexity(password);
+ */
+module.exports = function evaluateComplexity(password) {
+ if (bannedList.includes(password.toLowerCase())) return 1;
+
+ return Math.log(Math.pow(CHARSETS.reduce((score, charset) => {
+ return score + additionalComplexityForCharset(password, charset);
+ }, 0), password.length));
+};

test/index.js

@@ -0,0 +1,16 @@
+const assert = require('assert');
+const evaluateComplexity = require('../src/password-complexify.js')
+
+
+const empty = evaluateComplexity('');
+const banned = evaluateComplexity('qwerty');
+const numberOnly = evaluateComplexity('38563936');
+const alphabetOnly = evaluateComplexity('iefwondi');
+const common = evaluateComplexity('complex1017');
+const strong = evaluateComplexity('c0mp!ex1o1&');
+
+assert.equal(empty, 0);
+assert.equal(banned, 1);
+assert.ok(numberOnly < alphabetOnly);
+assert.ok(alphabetOnly < common);
+assert.ok(common < strong);