@mysten/sui
Version:
Sui TypeScript API
50 lines (49 loc) • 1.52 kB
JavaScript
//#region src/zklogin/jwt-decode.ts
var InvalidTokenError = class 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 {
return atob(output);
}
}
function jwtDecode(token, options) {
if (typeof token !== "string") throw new InvalidTokenError("Invalid token specified: must be a string");
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})`);
}
}
//#endregion
export { jwtDecode };
//# sourceMappingURL=jwt-decode.mjs.map