How to generate the Firebase auth token Java?

Question

I am trying to write the integration test cases One of the tests need to send X-auth firebase header

How to generate the Firebase auth token in Java?

Are you looking [this question](https://stackoverflow.com/questions/31042347/using-firebase-java-library-on-server-without-authentication-process)? Also please check [doc](https://firebase.google.com/docs/database/rest/auth). — Naresh Kumar, Jan 02 '20 at 06:30

score 2 · Accepted Answer · answered Jan 02 '20 at 14:51

You can use the Firebase Admin SDK for Java to generate a Firebase Authentication token.

In its simplest form, generating the token looks like this:

String uid = "some-uid";

String customToken = FirebaseAuth.getInstance().createCustomToken(uid);

You can also set specific claims in the token, with something like this:

String uid = "some-uid";
Map<String, Object> additionalClaims = new HashMap<String, Object>();
additionalClaims.put("premiumAccount", true);

String customToken = FirebaseAuth.getInstance()
    .createCustomToken(uid, additionalClaims);

Both examples come straight from the documentation I linked, so I highly recommend checking that out for more details.

How to generate the Firebase auth token Java?

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