jelhan/croodle

/*
 * Encrypts all properties in mirage model (created by factory), encrypts them using
 * sjcl and encryptionKey property of model as passphrase.
 * Unsets encryptionKey property afterwards.
 */
import { assert } from '@ember/debug';
import { isPresent } from '@ember/utils';
import { isArray } from '@ember/array';
import { get } from '@ember/object';
import sjcl from 'sjcl';

export default function (propertiesToEncrypt, model) {
  assert('first argument must be an array', isArray(propertiesToEncrypt));
  assert(
    "model must have an encryptionKey property which isn't empty",
    isPresent(model.encryptionKey),
  );

  let passphrase = model.encryptionKey;
  let data = {
    encryptionKey: undefined,
  };

  propertiesToEncrypt.forEach((propertyToEncrypt) => {
    let value = JSON.stringify(get(model, propertyToEncrypt));
    data[propertyToEncrypt] = sjcl.encrypt(passphrase, value);
  });

  model.update(data);
}