@mysten/sui/dist/esm/zklogin/jwt-decode.js

Sui TypeScript API(Work in Progress)

class InvalidTokenError extends Error {
}
InvalidTokenError.prototype.name = "InvalidTokenError";
function b64DecodeUnicode(str) {
  return decodeURIComponent(
    atob(str).replace(/(.)/g, (_m, p) => {
      let code = p.charCodeAt(0).toString(16).toUpperCase();
      if (code.length < 2) {
        code = "0" + code;
      }
      return "%" + code;
    })
  );
}
function base64UrlDecode(str) {
  let output = str.replace(/-/g, "+").replace(/_/g, "/");
  switch (output.length % 4) {
    case 0:
      break;
    case 2:
      output += "==";
      break;
    case 3:
      output += "=";
      break;
    default:
      throw new Error("base64 string is not of the correct length");
  }
  try {
    return b64DecodeUnicode(output);
  } catch (err) {
    return atob(output);
  }
}
function jwtDecode(token, options) {
  if (typeof token !== "string") {
    throw new InvalidTokenError("Invalid token specified: must be a string");
  }
  options || (options = {});
  const pos = options.header === true ? 0 : 1;
  const part = token.split(".")[pos];
  if (typeof part !== "string") {
    throw new InvalidTokenError(`Invalid token specified: missing part #${pos + 1}`);
  }
  let decoded;
  try {
    decoded = base64UrlDecode(part);
  } catch (e) {
    throw new InvalidTokenError(
      `Invalid token specified: invalid base64 for part #${pos + 1} (${e.message})`
    );
  }
  try {
    return JSON.parse(decoded);
  } catch (e) {
    throw new InvalidTokenError(
      `Invalid token specified: invalid json for part #${pos + 1} (${e.message})`
    );
  }
}
export {
  InvalidTokenError,
  jwtDecode
};
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