Demo, all content is generated
Firestore rules: owner-only documents
request.auth != null means somebody is logged in. This means this somebody.
Snippet
Copied 10 timesrules_version = '2';
service cloud.firestore {
match /databases/{database}/documents {
match /users/{userId} {
allow read, write: if request.auth != null && request.auth.uid == userId;
}
match /{document=**} {
allow read, write: if false;
}
}
}