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- "use strict";
- Object.defineProperty(exports, "__esModule", { value: true });
- exports.jwtDecode = exports.InvalidTokenError = void 0;
- class InvalidTokenError extends Error {
- }
- exports.InvalidTokenError = InvalidTokenError;
- 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})`);
- }
- }
- exports.jwtDecode = jwtDecode;
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