encrypt.js

#! /usr/bin/env node

var fs = require('fs');
var openpgp = require('openpgp');

var profanity = require('./profanity.json');
var originalSymbols = require('./originalSymbols.json');

var ur_public_key = require('./your_keys.js').ur_public_key;

var pubKey = openpgp.key.readArmored(ur_public_key).keys[0];

if (process.argv.length > 2) {
  var fileName = process.argv[2];
  fs.readFile(fileName, {encoding: 'utf-8'}, function(err, data) {
    if (err) {
      throw err;
    } else {
      doEncrypt(data);
    }
  });
} else {
  var plaintext = 'hello world\nthis is a test\nwhat happens next?';
  doEncrypt(plaintext);
}

function doEncrypt(plaintext) {
  openpgp.encryptMessage(pubKey, plaintext).then(function(pgpMessage) {
    pgpMessage = pgpMessage.replace('OpenPGP.js', 'Profanity-PGP');
    pgpMessage = pgpMessage.replace('http://openpgpjs.org', 'https://github.com/mapmeld/profanity-pgp');
    var msg = pgpMessage.split('\n');
    for(var l = 4; l < msg.length - 2; l++) {
      var original_line = msg[l];
      var new_line = [];
      for(var sym = 0; sym < original_line.length; sym++) {
        var symbol_index = originalSymbols.indexOf(original_line[sym]);
        new_line.push(profanity[symbol_index]);
      }
      msg[l] = new_line.join(' ');
    }
    console.log(msg.join('\n'));
  }).catch(function(err) {
    throw err;
  });
}