_sign()

in lib/client.js [180:192]

• 12 lines of code
• 3 McCabe index (conditional complexity)

  _sign(verb, path, queries, headers, credentials) {
    const contentMD5 = headers['content-md5'] || '';
    const contentType = headers['content-type'] || '';
    const date = headers['date'];
    const canonicalizedHeaders = getCanonicalizedHeaders(headers);
    const canonicalizedResource = getCanonicalizedResource(path, queries);
    const signString = `${verb}\n${contentMD5}\n${contentType}\n` +
      `${date}\n${canonicalizedHeaders}${canonicalizedResource}`;
    debug('signString: %s', signString);
    const signature = kitx.sha1(signString, credentials.accessKeySecret, 'base64');

    return `LOG ${credentials.accessKeyId}:${signature}`;
  }