Verify TokenId  

Lightweight zero dependency library to verify Firebase ID Token in Cloudflare Workers.

 

Usage/Examples

Verify ID Token

import { verifyTokenId } from "@codehelios/verify-tokenid";

const tokenId = "<ID_TOKEN>"

const { isValid, decoded, error } = await verifyTokenId(tokenId, "https://securetoken.google.com/<projectId>", "<projectId>");

 

API Reference

Verify ID Token

Verifies Firebase ID Token and returns object containing { isValid, decoded, error }

  verifyTokenId(token, issure, audience)

Arguments

Parameter	Type	Description
token	string	Required. Firebase ID Token
audience	string	Required. Must be your Firebase project ID, the unique identifier for your Firebase project, which can be found in the URL of that project's console.
issure	string	Required. Must be https://securetoken.google.com/<projectId>, where <projectId> is the same project ID used for aud above.

Returns

object containing { isValid, decoded, error }

Property	Type	Description
isValid	boolen	Indicates whether given Firebase ID Token is valid or not
decoded	object or null	If ID Token is valid this will be decoded JWT Object { header, payload }
error	string or null	If isValid is false then this will be error message saying why isValid is false otherwise null

 

License

MIT

 

Authors

• @codehelios
• @pyshivam

 

Acknowledgements

• Verify ID Token
• JWT Verification Library