Created
December 15, 2014 16:01
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Random Password Generator
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<!doctype html> | |
<html lang="en"> | |
<head> | |
<meta charset="utf-8"> | |
<title>Generate Secure Password</title> | |
<script type="text/javascript"> | |
var specials = '!@$%^&*()_+{}:<>?\|[];,./~'; | |
var lowercase = 'abcdefghijklmnopqrstuvwxyz'; | |
var uppercase = 'ABCDEFGHIJKLMNOPQRSTUVWXYZ'; | |
var numbers = '0123456789'; | |
var all = specials + lowercase + uppercase + numbers; | |
String.prototype.pick = function(min, max) { | |
var n, chars = ''; | |
if (typeof max === 'undefined') { | |
n = min; | |
} else { | |
n = min + Math.floor(Math.random() * (max - min)); | |
} | |
for (var i = 0; i < n; i++) { | |
chars += this.charAt(Math.floor(Math.random() * this.length)); | |
} | |
return chars; | |
}; | |
// Credit to @Christoph: http://stackoverflow.com/a/962890/464744 | |
String.prototype.shuffle = function() { | |
var array = this.split(''); | |
var tmp, current, top = array.length; | |
if (top) while (--top) { | |
current = Math.floor(Math.random() * (top + 1)); | |
tmp = array[current]; | |
array[current] = array[top]; | |
array[top] = tmp; | |
} | |
return array.join(''); | |
}; | |
window.addEventListener("load", function(el){ | |
var password = (specials.pick(1) + lowercase.pick(1) + uppercase.pick(1) + all.pick(12, 12)).shuffle(); | |
var pw_el = document.getElementById("password"); | |
// Set the initial password on page load, and select it. | |
pw_el.value = password; | |
pw_el.select(); | |
// allow for copying | |
pw_el.addEventListener("click", function(e){ | |
this.select(); | |
}, false); | |
// Set a new password on page click. | |
var pw_bt = document.getElementById("password_bt"); | |
pw_bt.addEventListener("click", function(e){ | |
password = (specials.pick(1) + lowercase.pick(1) + uppercase.pick(1) + all.pick(12, 12)).shuffle(); | |
pw_el.value = password; | |
pw_el.select(); | |
}, false); | |
}, false); | |
</script> | |
<style type="text/css"> | |
body { | |
font-family: "Helvetica Neue"; | |
} | |
button { | |
padding: 10px 20px; | |
border: 1px solid black; | |
border-radius: 5px; | |
background: transparent; | |
font-size: 15pt; | |
font-weight: 100; | |
} | |
button:focus { | |
outline: none; | |
} | |
button:hover { | |
background: #000; | |
color: #fff; | |
cursor: pointer; | |
} | |
input { | |
font-size: 15pt; | |
font-weight: 100; | |
padding: 10px; | |
width: 500px; | |
} | |
</style> | |
</head> | |
<body> | |
<h1>CCWIS Secure Password Generator</h1> | |
<input type="text" readonly="readonly" id="password"> | |
<button accesskey="r" id="password_bt">Generate New Password</button> | |
</body> | |
</html> |
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