Password strength and requirements validation.

gistfile1.txt

var password = {
	v: "",
	update: function() {
		this.v = $("#pass").val();
	}
}
var criteria = {
	update: function() {
		password.update();
	},	
	hasLowerCase:  { 
		regex: /[a-z]/, 
		score: 1, 
		result: function() {
			if (password.v.match(this.regex)) {
				return true;
			} else {
				return false;
			}
		},
		show: function() {
			if (this.result() === true) {
				$("#lower").removeClass("cinvalid").addClass("cvalid");
			} else {
				$("#lower").removeClass("cvalid").addClass("cinvalid");
			}
			return false;
		}
	},
	hasUpperCase: { 
		regex: /[A-Z]/, 
		score: 1,
		result: function() {
			if (password.v.match(this.regex)) {
				return true;
			} else {
				return false;
			}
		},
		show: function() {
			if (this.result() === true) {
				$("#upper").removeClass("cinvalid").addClass("cvalid");
			} else {
				$("#upper").removeClass("cvalid").addClass("cinvalid");
			}
			return false;
		}
	},
	hasNumber: { 
		regex: /\d+/, 
		score: 1,
		result: function() {
			if (password.v.match(this.regex)) {
				return true;
			} else {
				return false;
			}
		},
		show: function() {
			if (this.result() === true) {
				$("#number").removeClass("cinvalid").addClass("cvalid");
			} else {
				$("#number").removeClass("cvalid").addClass("cinvalid");
			}
			return false;
		}
	},
	hasSymbol: { 
		regex: /[!,@,#,$,%,^,&,*,?,_,~,-,(,)]/, 
		score: 1,
		result: function() {
			if (password.v.match(this.regex)) {
				return true;
			} else {
				return false;
			}
		},
		show: function() {
			if (this.result() === true) {
				$("#symbol").removeClass("cinvalid").addClass("cvalid");
			} else {
				$("#symbol").removeClass("cvalid").addClass("cinvalid");
			};
			return false;
		}
	},
	getLength: function() {
		return password.v.length;
	},
	hasLength:  { 
		requirement: 5, 
		score: 1, 
		result: function() {
			if (criteria.getLength() >= this.requirement) {
				return true;
			} else {
				return false;
			}
		},
		show: function() {
			if (this.result() === true) {
				$("#length").removeClass("cinvalid").addClass("cvalid");
			} else {
				$("#length").removeClass("cvalid").addClass("cinvalid");
			}
			return false;
		}
	},
	meetsAll: function() {
		password.update();
		if (this.hasLowerCase.result() && this.hasUpperCase.result() && this.hasNumber.result() && this.hasSymbol.result() && this.hasLength.result())	{
				return true;
		} else {
			return false;
		}
		
	},
	showAll: function() { 
		this.hasLowerCase.show();
		this.hasUpperCase.show();
		this.hasNumber.show();
		this.hasSymbol.show();
		this.hasLength.show();
		return false;
	}
}; 

var score = {
	value: 0, 
	clear: function() {
		this.value = 0;
		return false;
	},
	limit: function() { // limit strength if password is only 5, 8 chars respectively
		var clen = criteria.getLength();
		var cmax = 0;
		if (clen == 0) {
			cmax = 0;
		} else if (clen >= 1 && clen < 5) {
			cmax = 1;
		} else if (clen >= 5 && clen < 8) {
			cmax = 2;
		} else if (clen >= 8 && clen < 12) {
			cmax = 3;
		} else if (clen >= 12) {
			cmax = 4;
		}
		this.value = Math.min(cmax, this.value);
		return false;
	},
	update: function() {
		password.update();
		this.clear();
		if (criteria.hasLowerCase.result()) {
			this.value += criteria.hasLowerCase.score;
		}
		if (criteria.hasUpperCase.result()) {
			this.value += criteria.hasUpperCase.score;
		} 
		if (criteria.hasNumber.result()) {
			this.value += criteria.hasNumber.score;
		}
		if (criteria.hasSymbol.result()) {
			this.value += criteria.hasSymbol.score;
		}
		this.limit();
		return false;
	},
	descriptions: ["Very Weak", "Weak", "Medium", "Strong", "Very Strong"],
	// colors: ["#970a2d", "#c44260", "#9d9c9e", "#4d6849", "#84cc7a"],
	// colors: ["#6d2b3b", "#961535", "#b10c37", "#db1b4a", "#ff3064"],
	colors: ["#d7f9bb", "#c5ff9b", "#b4fc79", "#a2ff56", "#8dff30"],
	show: function() {
		this.update();
		if (this.value <= this.descriptions.length && this.value > 0) {
			$("#pstrength").text(this.descriptions[this.value]).fadeIn();
		} else {
			$("#pstrength").empty();
		}
		this.meter();
		return false;
	},
	meter: function() {
		// get width of div
		var pmw = 80;
		var pme = pmw / 5; 
		var curwidth = pme * this.value;
		curwidth = curwidth.toString() + "px";
				
		$("#pmeter").css("background", this.colors[this.value])
				    // .css("width", curwidth);
					.animate({ width: curwidth }, 120);
					
		return false;
	}
}

function removeSubmit() {
	$("#passSubmit").attr("disabled", "disabled").addClass("greyedout");
	return false;
}
	
function showSubmit() {
	$("#passSubmit").removeAttr("disabled").removeClass("greyedout");
	return false;
}

function validatePassword(pass) {
	
	password.update();
	
	criteria.showAll(); // show the results of the criteria in the div
	score.show(); // show the score in the div
	
	var returnval = false;
	
	// if (criteria.meetsAll() === true) {
	if (criteria.hasLength.result() === true) {
		returnval = true;
	} 
	
	return returnval;
}

function validateConfirmPassword(password) {
	// check to see if equal to value of the first password
	var currpass = $("#pass").val(); 
	if ((currpass === $("#confirmPass").val()) && (criteria.hasLength.result() === true)) { /* (criteria.meetsAll() === true)) { */
		showSubmit();
		return true;
	} else {
		removeSubmit();
		return false;
	}
}

function writeMsg(msgtext, msgtype, timeoutval) {
	
	if (typeof(msgtype) === undefined) {
		msgtype = "Error";
	} 
	
	if (typeof(timeoutval) === undefined) {
		timeoutval = 5000;
	}
	
	if (msgtype === "Error") {
		$("#messageBox").css("background-color", "#EC3F41");
	} else if (msgtype === "Success") {
		$("#messageBox").css("background-color", "#3A7D34");
	}
	
	$("#messageBox").fadeOut('slow');
	
	if (typeof(msgtext) == 'undefined') {
		return false;
	} else {
		$("#messageBox").text(msgtext);
		$("#messageBox").fadeIn('slow');
		setTimeout(function() {
			$("#messageBox").fadeOut('slow'); }
		, timeoutval);
		return true;
	}
	
}

function initAll() {
	$("#pass").val("");
	$("#confirmPass").val("");
	$("#pconfirm").empty();
	criteria.update();
	criteria.showAll();
	score.clear();
	score.show();
	removeSubmit();
	$('#resetPasswordForm :input:visible:enabled:first').focus();
	return false;
}