chainscript/lib/cli/cshashpdf.js

Client for chainscript.io

'use strict';

function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { 'default': obj }; }

var _path = require('path');

var _path2 = _interopRequireDefault(_path);

var _child_process = require('child_process');

var _commander = require('commander');

var _commander2 = _interopRequireDefault(_commander);

var _utilsReadPackageSync = require('../utils/readPackageSync');

var _utilsReadPackageSync2 = _interopRequireDefault(_utilsReadPackageSync);

var _utilsHashPDF = require('../utils/hashPDF');

var _utilsHashPDF2 = _interopRequireDefault(_utilsHashPDF);

var args = [];
var chainscriptArgs = [];
var execChainscript = false;

process.argv.forEach(function (arg) {
  if (arg === '--') {
    execChainscript = true;
    return;
  }

  if (execChainscript) {
    chainscriptArgs.push(arg);
  } else {
    args.push(arg);
  }
});

_commander2['default'].version(_utilsReadPackageSync2['default']('version')).usage('[options] input [-- chainscript args]').option('-a, --algorithm <name>', 'hash algorithm (default sha256)').option('-r, --root <path>', 'JSON root path (default content.hash)').parse(args);

if (_commander2['default'].args.length !== 1) {
  _commander2['default'].outputHelp();
  process.exit(1);
}

function handleOutput(output) {
  var str = JSON.stringify(output, null, '\t') + '\n';
  process.stdout.write(str, function () {
    return process.exit(0);
  });
}

function handleError(err) {
  process.stderr.write(err.message + '\n', function () {
    return process.exit(1);
  });
}

_utilsHashPDF2['default'](_path2['default'].resolve(process.cwd(), _commander2['default'].args[0]), _commander2['default'].algorithm, _commander2['default'].root).then(function (json) {
  if (execChainscript) {
    var hasAt = false;

    chainscriptArgs = chainscriptArgs.map(function (arg) {
      if (arg === '@') {
        hasAt = true;
        return JSON.stringify(json);
      }

      return arg;
    });

    try {
      _child_process.execFileSync(_path2['default'].resolve(__dirname, '../../bin/chainscript'), chainscriptArgs, {
        input: hasAt ? null : JSON.stringify(json),
        stdio: [hasAt ? process.stdin : 'pipe', process.stdout, process.stderr]
      });
    } catch (err) {
      handleError(err);
    }

    return;
  }

  handleOutput(json);
})['catch'](handleError);