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import "missing-native-js-functions";
import Config from "./Config";
const reNUMBER = /[0-9]/g;
const reUPPERCASELETTER = /[A-Z]/g;
const reSYMBOLS = /[A-Z,a-z,0-9]/g;
/*
* https://en.wikipedia.org/wiki/Password_policy
* password must meet following criteria, to be perfect:
* - min <n> chars
* - min <n> numbers
* - min <n> symbols
* - min <n> uppercase chars
*
* Returns: 0 > pw > 1
*/
export function check(password: string): number {
const { pwMinLength, pwMinNumbers, pwMinUpperCase, pwMinSymbols } = Config.get().register.password;
var strength = 0;
// checks for total password len
if (password.length >= pwMinLength - 1) {
strength += 0.25;
}
// checks for amount of Numbers
if (password.count(reNUMBER) >= pwMinNumbers - 1) {
strength += 0.25;
}
// checks for amount of Uppercase Letters
if (password.count(reUPPERCASELETTER) >= pwMinUpperCase - 1) {
strength += 0.25;
}
// checks for amount of symbols
if (password.replace(reSYMBOLS, "").length >= pwMinSymbols - 1) {
strength += 0.25;
}
// checks if password only consists of numbers or only consists of chars
if (password.length == password.count(reNUMBER) || password.length === password.count(reUPPERCASELETTER)) {
strength = 0;
}
return strength;
}
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