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homebox/frontend/lib/passwords/index.ts
Hayden 2e82398e5c
chore: cleanup ()
* implement password score UI and functions

* update strings tests to use `test`instead of `it`

* update typing

* refactor login/register UI+Logic

* fix width on switches to properly display

* fetch and store self in store

* (WIP) unify card styles

* update labels page

* bump nuxt

* use form area

* use text area for description

* unify confirm API

* unify UI around pages

* change header background height
2022-09-25 14:33:13 -08:00

45 lines
1.1 KiB
TypeScript

const flaggedWords = ["password", "homebox", "admin", "qwerty", "login"];
/**
* scorePassword returns a score for a given password between 0 and 100.
* if a password contains a flagged word, it returns 0.
* @param pass
* @returns
*/
export function scorePassword(pass: string): number {
let score = 0;
if (!pass) return score;
if (pass.length < 6) return score;
// Check for flagged words
for (const word of flaggedWords) {
if (pass.toLowerCase().includes(word)) {
return 0;
}
}
// award every unique letter until 5 repetitions
const letters: { [key: string]: number } = {};
for (let i = 0; i < pass.length; i++) {
letters[pass[i]] = (letters[pass[i]] || 0) + 1;
score += 5.0 / letters[pass[i]];
}
// bonus points for mixing it up
const variations: { [key: string]: boolean } = {
digits: /\d/.test(pass),
lower: /[a-z]/.test(pass),
upper: /[A-Z]/.test(pass),
nonWords: /\W/.test(pass),
};
let variationCount = 0;
for (const check in variations) {
variationCount += variations[check] === true ? 1 : 0;
}
score += (variationCount - 1) * 10;
return Math.max(Math.min(score, 100), 0);
}