config the password options via the settings

services/web/config/settings.defaults.coffee

@@ -165,6 +165,17 @@ module.exports =
 		{name: "French", code: "fr"}
 	]
 
+
+	# Password Settings
+	# -----------
+	# These restrict the passwords users can use when registering
+	# opts are from http://antelle.github.io/passfield
+	passwordStrengthOptions:
+		pattern: "aA$3"
+		length:
+			min: 8
+			max: 50
+
 	# Email support
 	# -------------
 	#

services/web/public/coffee/directives/asyncForm.coffee

@@ -84,29 +84,30 @@ define [
 
 		link: (scope, element, attrs, ctrl) ->
 
-			passwordStrengthOptions = {
-				pattern: "aA$3",
-				allowEmpty: false,
-				allowAnyChars: false,
-				isMasked: true,
-				showToggle: false,
-				showGenerate: false,
-				checkMode:PassField.CheckModes.STRICT,
-				length: { min: 8, max: 50 },
-				showTip:false,
-				showWarn:false
-			}
-
-			passwordStrengthOptions.chars = {
-				digits: "1234567890",
-				letters: "abcdefghijklmnopqrstuvwxyz",
-				letters_up: "ABCDEFGHIJKLMNOPQRSTUVWXYZ",
-				symbols: "@#$%^&*()-_=+[]{};:<>/?!£€.,"
-			}
-			
 			PassField.Config.blackList = []
-
-			passField = new PassField.Field("passwordFeild", passwordStrengthOptions);
+			defaultPasswordOpts =
+				pattern: ""
+				length:
+					min: 1
+					max: 50
+				allowEmpty: false
+				allowAnyChars: false
+				isMasked: true
+				showToggle: false
+				showGenerate: false
+				showTip:false
+				showWarn:false
+				checkMode : PassField.CheckModes.STRICT
+				chars:
+					digits: "1234567890"
+					letters: "abcdefghijklmnopqrstuvwxyz"
+					letters_up: "ABCDEFGHIJKLMNOPQRSTUVWXYZ"
+					symbols: "@#$%^&*()-_=+[]{};:<>/?!£€.,"
+
+			opts = _.defaults(window.passwordStrengthOptions || {}, defaultPasswordOpts)
+			if opts.length.min == 1
+				opts.acceptRate = 0 #this allows basically anything to be a valid password
+			passField = new PassField.Field("passwordFeild", opts);
 
 			[asyncFormCtrl, ngModelCtrl] = ctrl
 
@@ -116,7 +117,7 @@ define [
 					scope.complexPasswordErrorMessage = passField.getPassValidationMessage()
 				else
 					email = asyncFormCtrl.getEmail()
-					startOfEmail = email.split("@")?[0]
+					startOfEmail = email?.split("@")?[0]
 					if modelValue.indexOf(email) != -1 or modelValue.indexOf(startOfEmail) != -1
 						isValid = false
 						scope.complexPasswordErrorMessage = "Password can not contain email address"