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Code Issues Releases Activity

Rewrote (and fixed) dictionary key generator

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This commit is contained in:
zneix 2020-08-29 00:40:36 +02:00
parent 2e2b69c43c
commit 1efc62a8c5
1 changed files with 15 additions and 19 deletions
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34
lib/key_generators/dictionary.js
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@ -1,32 +1,28 @@
const winston = require('winston');
const fs = require('fs'); const fs = require('fs');
module.exports = class DictionaryGenerator { module.exports = class DictionaryGenerator {
constructor(options, readyCallback){ constructor({ path } = {}, readyCallback){
// Check options format //check for dictionary path
if (!options) throw Error('No options passed to generator'); if (!path){
if (!options.path) throw Error('No dictionary path specified in options'); winston.error('No dictionary path specified in options');
process.exit(1);
}
// Load dictionary //load dictionary
fs.readFile(options.path, 'utf8', (err, data) => { if (!fs.existsSync(path)){
if (err) throw err; winston.error(`Dictionary file "${path}" doesn't exist`);
process.exit(1);
}
this.dictionary = data.split(/[\n\r]+/); this.dictionary = fs.readFileSync(path).toString().split(/\s+/gm);
if (readyCallback) readyCallback();
if (readyCallback) readyCallback();
});
} }
// Generates a dictionary-based key, of keyLength words // Generates a dictionary-based key, of keyLength words
createKey(keyLength){ createKey(keyLength){
let text = ''; return Array(keyLength).fill().map(() => this.dictionary[ Math.floor(Math.random() * this.dictionary.length) ] ).join('');
for (let i = 0; i < keyLength; i++){
const index = Math.floor(Math.random() * this.dictionary.length);
text += this.dictionary[index];
}
return text;
} }
}; };