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#!/usr/bin/env node |
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// TODO: Allow setting the default seed for future use. Use this: https://www.npmjs.com/package/preferences |
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import * as arrispwgen from '@borfast/arrispwgen'; |
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function printUsageAndExit(exitCode?: number) { |
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console.log(`\nUsage: ${process.argv0} start_date [end_date] [--seed=custom_seed]\n`); |
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console.log('If you only want the password for one specific date, specify only "start_date".'); |
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console.log('If "end_date" is also passed, a password for each day between "start_date" and "end_date" will be generated.'); |
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console.log('The --seed parameter allows you to use a custom seed for the password generator. A seed must be 8 to 10 characters long.'); |
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console.log('The dates should be specified in ISO 8601 format, i.e. "YYYY-MM-DD". Example for Christmas day 2016: "2016-12-25".'); |
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if (exitCode) { |
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process.exit(exitCode); |
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} |
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} |
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const args = process.argv.slice(2); |
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if (args.indexOf('--help') > -1 || args.indexOf('-h') > -1) { |
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printUsageAndExit(0); |
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} |
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if (args.length > 3) { |
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console.log('Too many arguments.\n'); |
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printUsageAndExit(1); |
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} |
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const dates: Date[] = []; |
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let seed = arrispwgen.DEFAULT_SEED; |
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const dateRegex = /\d{4}-\d{2}-\d{2}/; |
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args.forEach((arg: string) => { |
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if (arg.match(dateRegex)) { |
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dates.push(new Date(arg)); |
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} else if (arg.indexOf('--seed=') == 0) { |
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const s = arg.split('=')[1]; |
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if (s.length >= 8 && s.length <= 10) { |
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seed = arg.split('=')[1]; |
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} else { |
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const problem = s.length < 8 ? 'short' : s.length > 10 ? 'long' : ' unrecognized'; |
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console.log(`Seed is too ${problem}: ${s}.\nIt's ${s.length} characters but it must be between 8 and 10.`); |
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printUsageAndExit(1); |
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} |
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} else { |
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console.log(`Unrecognized argument: ${arg}.`); |
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printUsageAndExit(1); |
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} |
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}); |
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const date_format_options = { weekday: 'short', year: 'numeric', month: 'long', day: '2-digit' }; |
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const date_formatter = new Intl.DateTimeFormat('default', date_format_options); |
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let data = []; |
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// If no date is given, default to outputting the password for the current date. |
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if (dates.length === 0) { |
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dates.push(new Date()); |
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} |
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if (dates.length === 1) { |
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const long_date = date_formatter.format(dates[0]); |
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const potd = arrispwgen.generate(dates[0], seed); |
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data.push({ |
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date: long_date, |
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password: potd |
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}); |
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} else { |
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const start_date = dates[0]; |
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const end_date = dates[1]; |
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try { |
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const potd = arrispwgen.generate_multi(start_date, end_date, seed); |
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for (const p of potd) { |
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data.push({ |
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date: date_formatter.format(p['date']), |
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password: p['password'] |
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}); |
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} |
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} catch (e) { |
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if (e instanceof arrispwgen.InvalidDateRangeError) { |
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console.log('The given dates are out of order. Your start date is after the end date.'); |
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printUsageAndExit(); |
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} else { |
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console.log(`Unknown error occurred: ${e.message}`); |
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} |
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} |
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} |
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console.log(); |
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console.table(data, ['date', 'password']); |
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borfast /
arrispwgen-cli
