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4ae9151923
refs https://github.com/TryGhost/Ghost-Admin/pull/1274 - fixes errors introduced from upgrading to eslint@6
87 lines
2.4 KiB
JavaScript
87 lines
2.4 KiB
JavaScript
/*
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* copied from https://github.com/bermi/password-generator
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* Copyright(c) 2011-2015 Bermi Ferrer <bermi@bermilabs.com>
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* MIT Licensed
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*/
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// copied from the NPM module because the switch away from polyfilling `global`
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// via webpack in ember-auto-import resulted in an error finding 'crypto'
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// Module not found: Error: Can't resolve 'crypto'
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const vowel = /[aeiou]$/i;
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const consonant = /[bcdfghjklmnpqrstvwxyz]$/i;
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function rand(min, max) {
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var key, value, arr = new Uint8Array(max);
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getRandomValues(arr);
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for (key in arr) {
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if (Object.prototype.hasOwnProperty.call(arr, key)) {
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value = arr[key];
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if (value > min && value < max) {
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return value;
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}
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}
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}
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return rand(min, max);
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}
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function getRandomValues(buf) {
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window.crypto.getRandomValues(buf);
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}
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export default function generatePassword(length, memorable, pattern, prefix) {
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var char = '', n, i, validChars = [];
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if (length === null || typeof (length) === 'undefined') {
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length = 10;
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}
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if (memorable === null || typeof (memorable) === 'undefined') {
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memorable = true;
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}
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if (pattern === null || typeof (pattern) === 'undefined') {
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pattern = /\w/;
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}
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if (prefix === null || typeof (prefix) === 'undefined') {
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prefix = '';
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}
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// Non memorable passwords will pick characters from a pre-generated
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// list of characters
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if (!memorable) {
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for (i = 33; 126 > i; i += 1) {
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char = String.fromCharCode(i);
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if (char.match(pattern)) {
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validChars.push(char);
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}
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}
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if (!validChars.length) {
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throw new Error('Could not find characters that match the ' +
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'password pattern ' + pattern + '. Patterns must match individual ' +
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'characters, not the password as a whole.');
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}
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}
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while (prefix.length < length) {
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if (memorable) {
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if (prefix.match(consonant)) {
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pattern = vowel;
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} else {
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pattern = consonant;
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}
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n = rand(33, 126);
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char = String.fromCharCode(n);
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} else {
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char = validChars[rand(0, validChars.length)];
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}
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if (memorable) {
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char = char.toLowerCase();
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}
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if (char.match(pattern)) {
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prefix = '' + prefix + char;
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}
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}
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return prefix;
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}
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