@codehelios/verify-tokenid NPM

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 { 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
`issure`	`string`	Required. Must be "https://securetoken.google.com/", where is the same project ID used for aud above.
`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.

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`