Firebase database authentication

Question

I am trying to add text(32424234) into my firebase under the userid of the user but it doesnt let me do it.

This is my rules section under firebase

{
  "rules": {
    "users": {
      "$uid": {
        ".read": "$uid == auth.uid",
        ".write": "$uid == auth.uid"
      }
    }
  }
}

This is my java code:

public void kullanicikontrol(String kullaniciadi){
        mRootRef = new Firebase("https://xxxx.firebaseio.com/users");
        Firebase chieldref = mRootRef.child(kullaniciadi);
        chieldref.setValue("32424234");
}

if i change rules like ".read": true" there is no problem like the screenshot below:

but i dont want to. What i am doing wrong?

The code you added in your comment below uses the "new" Firebase SDK (launched at I/O 2016). The code in your question uses the older Firebase SDK that predates that. Authentication in the newer SDK does not apply to database access using the older SDK. To fix the problem, update your database code to use the new SDK too: firebase.google.com/docs/database — Frank van Puffelen
– Frank van Puffelen, Commented Jun 5, 2017 at 7:06

Bhagirathsinh Gohil · Accepted Answer · 2017-06-05 06:19:57Z

1

In firebase .read and .write is read write permission. If you set it to true than it allow all user.

You can create new user and authentication by following link https://firebase.google.com/docs/auth/web/manage-users

I hope this will help you.

answered Jun 5, 2017 at 6:19

Bhagirathsinh Gohil

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2 Comments

Faruk Over a year ago

I am getting the uid a little bit different from the post you mentioned. FirebaseUser user = FirebaseAuth.getInstance().getCurrentUser(); if (user != null) { // Name, email address, and profile photo Url String name = user.getDisplayName(); String email = user.getEmail(); Uri photoUrl = user.getPhotoUrl(); String uid = user.getUid(); kullanici = new database(); kullanici.kullanicikontrol(uid); } is it wrong?

Bhagirathsinh Gohil Over a year ago

The user's ID, unique to the Firebase project. Do NOT use this value to authenticate with your backend server, if you have one. Use User.getToken() instead.

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