mirror of
https://github.com/seejohnrun/haste-server.git
synced 2024-12-25 11:37:00 +00:00
commit
ee03e7cd78
7 changed files with 148 additions and 66 deletions
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@ -1,24 +1,32 @@
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var fs = require('fs');
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const fs = require('fs');
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var DictionaryGenerator = function(options) {
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//Options
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if (!options) throw Error('No options passed to generator');
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if (!options.path) throw Error('No dictionary path specified in options');
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module.exports = class DictionaryGenerator {
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constructor(options, readyCallback) {
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// Check options format
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if (!options) throw Error('No options passed to generator');
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if (!options.path) throw Error('No dictionary path specified in options');
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// Load dictionary
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fs.readFile(options.path, 'utf8', (err, data) => {
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if (err) throw err;
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this.dictionary = data.split(/[\n\r]+/);
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if (readyCallback) readyCallback();
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});
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}
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// Generates a dictionary-based key, of keyLength words
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createKey(keyLength) {
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let text = '';
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for (let i = 0; i < keyLength; i++) {
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const index = Math.floor(Math.random() * this.dictionary.length);
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text += this.dictionary[index];
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}
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return text;
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}
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//Load dictionary
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fs.readFile(options.path, 'utf8', (err, data) => {
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if (err) throw err;
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this.dictionary = data.split(/[\n\r]+/);
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});
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};
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//Generates a dictionary-based key, of keyLength words
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DictionaryGenerator.prototype.createKey = function(keyLength) {
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var text = '';
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for(var i = 0; i < keyLength; i++)
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text += this.dictionary[Math.floor(Math.random() * this.dictionary.length)];
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return text;
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};
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module.exports = DictionaryGenerator;
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@ -1,33 +1,27 @@
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// Draws inspiration from pwgen and http://tools.arantius.com/password
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var PhoneticKeyGenerator = function() {
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// No options
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const randOf = (collection) => {
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return () => {
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return collection[Math.floor(Math.random() * collection.length)];
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};
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};
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// Generate a phonetic key
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PhoneticKeyGenerator.prototype.createKey = function(keyLength) {
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var text = '';
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var start = Math.round(Math.random());
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for (var i = 0; i < keyLength; i++) {
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text += (i % 2 == start) ? this.randConsonant() : this.randVowel();
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// Helper methods to get an random vowel or consonant
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const randVowel = randOf('aeiou');
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const randConsonant = randOf('bcdfghjklmnpqrstvwxyz');
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module.exports = class PhoneticKeyGenerator {
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// Generate a phonetic key of alternating consonant & vowel
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createKey(keyLength) {
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let text = '';
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const start = Math.round(Math.random());
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for (let i = 0; i < keyLength; i++) {
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text += (i % 2 == start) ? randConsonant() : randVowel();
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}
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return text;
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}
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return text;
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};
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PhoneticKeyGenerator.consonants = 'bcdfghjklmnpqrstvwxyz';
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PhoneticKeyGenerator.vowels = 'aeiou';
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// Get an random vowel
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PhoneticKeyGenerator.prototype.randVowel = function() {
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return PhoneticKeyGenerator.vowels[
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Math.floor(Math.random() * PhoneticKeyGenerator.vowels.length)
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];
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};
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// Get an random consonant
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PhoneticKeyGenerator.prototype.randConsonant = function() {
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return PhoneticKeyGenerator.consonants[
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Math.floor(Math.random() * PhoneticKeyGenerator.consonants.length)
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];
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};
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module.exports = PhoneticKeyGenerator;
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@ -1,19 +1,20 @@
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var RandomKeyGenerator = function(options) {
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if (!options) {
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options = {};
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}
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this.keyspace = options.keyspace || 'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789';
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};
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module.exports = class RandomKeyGenerator {
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// Generate a random key
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RandomKeyGenerator.prototype.createKey = function(keyLength) {
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var text = '';
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var index;
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for (var i = 0; i < keyLength; i++) {
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index = Math.floor(Math.random() * this.keyspace.length);
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text += this.keyspace.charAt(index);
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// Initialize a new generator with the given keySpace
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constructor(options = {}) {
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this.keyspace = options.keyspace || 'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789';
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}
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return text;
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};
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module.exports = RandomKeyGenerator;
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// Generate a key of the given length
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createKey(keyLength) {
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var text = '';
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for (var i = 0; i < keyLength; i++) {
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const index = Math.floor(Math.random() * this.keyspace.length);
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text += this.keyspace.charAt(index);
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}
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return text;
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}
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};
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@ -46,6 +46,6 @@
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},
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"scripts": {
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"start": "node server.js",
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"test": "mocha"
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"test": "mocha --recursive"
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}
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}
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33
test/key_generators/dictionary_spec.js
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33
test/key_generators/dictionary_spec.js
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/* global describe, it */
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const assert = require('assert');
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const fs = require('fs');
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const Generator = require('../../lib/key_generators/dictionary');
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describe('RandomKeyGenerator', function() {
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describe('randomKey', function() {
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it('should throw an error if given no options', () => {
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assert.throws(() => {
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new Generator();
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}, Error);
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});
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it('should throw an error if given no path', () => {
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assert.throws(() => {
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new Generator({});
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}, Error);
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});
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it('should return a key of the proper number of words from the given dictionary', () => {
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const path = '/tmp/haste-server-test-dictionary';
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const words = ['cat'];
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fs.writeFileSync(path, words.join('\n'));
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const gen = new Generator({path}, () => {
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assert.equal('catcatcat', gen.createKey(3));
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});
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});
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});
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});
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27
test/key_generators/phonetic_spec.js
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27
test/key_generators/phonetic_spec.js
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/* global describe, it */
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const assert = require('assert');
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const Generator = require('../../lib/key_generators/phonetic');
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const vowels = 'aeiou';
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const consonants = 'bcdfghjklmnpqrstvwxyz';
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describe('RandomKeyGenerator', () => {
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describe('randomKey', () => {
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it('should return a key of the proper length', () => {
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const gen = new Generator();
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assert.equal(6, gen.createKey(6).length);
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});
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it('should alternate consonants and vowels', () => {
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const gen = new Generator();
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const key = gen.createKey(3);
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assert.ok(consonants.includes(key[0]));
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assert.ok(consonants.includes(key[2]));
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assert.ok(vowels.includes(key[1]));
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});
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});
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});
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19
test/key_generators/random_spec.js
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19
test/key_generators/random_spec.js
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/* global describe, it */
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const assert = require('assert');
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const Generator = require('../../lib/key_generators/random');
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describe('RandomKeyGenerator', () => {
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describe('randomKey', () => {
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it('should return a key of the proper length', () => {
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const gen = new Generator();
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assert.equal(6, gen.createKey(6).length);
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});
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it('should use a key from the given keyset if given', () => {
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const gen = new Generator({keyspace: 'A'});
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assert.equal('AAAAAA', gen.createKey(6));
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});
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});
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});
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