blockstack/lib/profiles/services/serviceUtils.js

The Blockstack Javascript library for identity and authentication.

'use strict';

Object.defineProperty(exports, "__esModule", {
  value: true
});
exports.containsValidProofStatement = containsValidProofStatement;
exports.containsValidAddressProofStatement = containsValidAddressProofStatement;
function containsValidProofStatement(searchText) {
  var name = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : null;

  if (!name) {
    return false;
  }

  searchText = searchText.toLowerCase();

  if (name.split('.').length !== 2) {
    throw new Error('Please provide the fully qualified Blockstack name.');
  }

  var username = null;

  // support legacy Blockstack ID proofs
  if (name.endsWith('.id')) {
    username = name.split('.id')[0];
  }

  var verificationStyles = username != null ? ['verifying myself: my bitcoin username is +' + username, 'verifying myself: my bitcoin username is ' + username, 'verifying myself: my openname is ' + username, 'verifying that +' + username + ' is my bitcoin username', 'verifying that ' + username + ' is my bitcoin username', 'verifying that ' + username + ' is my openname', 'verifying that +' + username + ' is my openname', 'verifying i am +' + username + ' on my passcard', 'verifying that +' + username + ' is my blockchain id', 'verifying that "' + name + '" is my blockstack id', // id
  'verifying that ' + name + ' is my blockstack id', 'verifying that "' + name + '" is my blockstack id'] : [// only these formats are valid for non-.id tlds
  'verifying that "' + name + '" is my blockstack id', // id
  'verifying that ' + name + ' is my blockstack id', 'verifying that "' + name + '" is my blockstack id'];

  for (var i = 0; i < verificationStyles.length; i++) {
    var verificationStyle = verificationStyles[i];
    if (searchText.includes(verificationStyle)) {
      return true;
    }
  }

  if (username != null && searchText.includes('verifymyonename') && searchText.includes('+' + username)) {
    return true;
  }

  return false;
}

function containsValidAddressProofStatement(proofStatement, address) {
  proofStatement = proofStatement.split(address)[0].toLowerCase() + address;

  var verificationStyles = ['verifying my blockstack id is secured with the address ' + address];

  for (var i = 0; i < verificationStyles.length; i++) {
    var verificationStyle = verificationStyles[i];
    if (proofStatement.includes(verificationStyle)) {
      return true;
    }
  }

  return false;
}