@zxcvbn-ts/matcher-pwned/dist/haveIBeenPwned.esm.js

HaveIBeenPwned Matcher for zxcvbn-ts

const isNodeJs = typeof process !== 'undefined' && process.release && process.release.name === 'node';
const textEncode = text => {
  if (isNodeJs) {
    const utf8 = decodeURI(encodeURIComponent(text));
    const result = new Uint8Array(utf8.length);
    for (let i = 0; i < utf8.length; i += 1) {
      result[i] = utf8.charCodeAt(i);
    }
    return result;
  }
  try {
    // eslint-disable-next-line compat/compat
    return new TextEncoder().encode(text);
  } catch (error) {
    throw new Error(`No encoder found, ${error}`);
  }
};
const digestMessage = async message => {
  const data = textEncode(message);
  let hash = '';
  if (isNodeJs) {
    // eslint-disable-next-line global-require
    const crypto = require('crypto');
    hash = crypto.createHash('sha1').update(message).digest('hex').toUpperCase();
  } else if (crypto) {
    const hashBuffer = await crypto.subtle.digest('SHA-1', data);
    const hashArray = Array.from(new Uint8Array(hashBuffer));
    hash = hashArray.map(b => b.toString(16).padStart(2, '0')).join('').toUpperCase();
  }
  return hash;
};
const pwnedUrl = 'https://api.pwnedpasswords.com/range/';
const defaultNetworkErrorHandler = _error => {
  return false;
};
var haveIBeenPwned = (async (password, {
  universalFetch,
  url = pwnedUrl,
  networkErrorHandler = defaultNetworkErrorHandler
}) => {
  // we don't need to check passwords with a length smaller 2 which can happen for repeat matcher or if we don't have a fetch function
  if (!universalFetch || password.length < 2) {
    return null;
  }
  const passwordHash = (await digestMessage(password)).toUpperCase();
  const range = passwordHash.slice(0, 5);
  const suffix = passwordHash.slice(5);
  const response = await universalFetch(`${url}${range}`, {
    method: 'GET',
    headers: {
      'Add-Padding': 'true'
    }
  }).catch(error => {
    return networkErrorHandler(error);
  });
  if (typeof response === 'boolean') {
    return false;
  }
  if (response.status >= 400) {
    return networkErrorHandler(response);
  }
  const result = await response.text();
  const resultArray = result.split('\r\n');
  return resultArray.find(entry => {
    const passwordHasPart = entry.split(':')[0];
    return passwordHasPart === suffix;
  });
});

export { haveIBeenPwned as default };
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