92 lines
3.3 KiB
TypeScript
92 lines
3.3 KiB
TypeScript
/*
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Copyright 2018 New Vector Ltd
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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*/
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import zxcvbn from 'zxcvbn';
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import {MatrixClientPeg} from '../MatrixClientPeg';
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import { _t, _td } from '../languageHandler';
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const ZXCVBN_USER_INPUTS = [
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'riot',
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'matrix',
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];
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// Translations for zxcvbn's suggestion strings
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_td("Use a few words, avoid common phrases");
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_td("No need for symbols, digits, or uppercase letters");
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_td("Use a longer keyboard pattern with more turns");
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_td("Avoid repeated words and characters");
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_td("Avoid sequences");
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_td("Avoid recent years");
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_td("Avoid years that are associated with you");
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_td("Avoid dates and years that are associated with you");
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_td("Capitalization doesn't help very much");
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_td("All-uppercase is almost as easy to guess as all-lowercase");
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_td("Reversed words aren't much harder to guess");
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_td("Predictable substitutions like '@' instead of 'a' don't help very much");
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_td("Add another word or two. Uncommon words are better.");
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// and warnings
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_td("Repeats like \"aaa\" are easy to guess");
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_td("Repeats like \"abcabcabc\" are only slightly harder to guess than \"abc\"");
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_td("Sequences like abc or 6543 are easy to guess");
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_td("Recent years are easy to guess");
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_td("Dates are often easy to guess");
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_td("This is a top-10 common password");
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_td("This is a top-100 common password");
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_td("This is a very common password");
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_td("This is similar to a commonly used password");
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_td("A word by itself is easy to guess");
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_td("Names and surnames by themselves are easy to guess");
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_td("Common names and surnames are easy to guess");
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_td("Straight rows of keys are easy to guess");
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_td("Short keyboard patterns are easy to guess");
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/**
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* Wrapper around zxcvbn password strength estimation
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* Include this only from async components: it pulls in zxcvbn
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* (obviously) which is large.
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*
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* @param {string} password Password to score
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* @returns {object} Score result with `score` and `feedback` properties
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*/
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export function scorePassword(password: string) {
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if (password.length === 0) return null;
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const userInputs = ZXCVBN_USER_INPUTS.slice();
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if (MatrixClientPeg.get()) {
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userInputs.push(MatrixClientPeg.get().getUserIdLocalpart());
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}
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let zxcvbnResult = zxcvbn(password, userInputs);
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// Work around https://github.com/dropbox/zxcvbn/issues/216
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if (password.includes(' ')) {
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const resultNoSpaces = zxcvbn(password.replace(/ /g, ''), userInputs);
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if (resultNoSpaces.score < zxcvbnResult.score) zxcvbnResult = resultNoSpaces;
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}
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for (let i = 0; i < zxcvbnResult.feedback.suggestions.length; ++i) {
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// translate suggestions
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zxcvbnResult.feedback.suggestions[i] = _t(zxcvbnResult.feedback.suggestions[i]);
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}
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// and warning, if any
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if (zxcvbnResult.feedback.warning) {
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zxcvbnResult.feedback.warning = _t(zxcvbnResult.feedback.warning);
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}
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return zxcvbnResult;
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}
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