mango/firestore.rules at main · LaneyCommits/mango · GitHub

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rules_version = '2';

service cloud.firestore {
  match /databases/{database}/documents {

    function signedIn() {
      return request.auth != null;
    }

    function isSelf(uid) {
      return signedIn() && request.auth.uid == uid;
    }

    // Public profile (read by any signed-in user for friends / discovery)
    match /profiles/{userId} {
      allow read: if signedIn();
      allow create: if isSelf(userId);
      allow update: if isSelf(userId);
      allow delete: if false;

      match /activity/{activityId} {
        allow read: if signedIn();
        allow create: if isSelf(userId);
        allow update, delete: if isSelf(userId);
      }
    }

    // username -> uid + signInEmail (for email/password login before auth).
    // signInEmail is written only by the account owner when claiming username or on profile sync.
    match /usernames/{handle} {
      allow read: if true;
      allow create: if signedIn()
        && request.resource.data.uid == request.auth.uid;
      allow update, delete: if signedIn()
        && resource.data.uid == request.auth.uid;
    }

    // Directed invite: fromUid requests toUid; only recipient can accept
    match /friendInvites/{inviteId} {
      allow read: if signedIn()
        && (resource.data.fromUid == request.auth.uid
            || resource.data.toUid == request.auth.uid);
      allow create: if signedIn()
        && request.resource.data.fromUid == request.auth.uid
        && request.resource.data.status == 'pending'
        && request.resource.data.fromUid != request.resource.data.toUid;
      allow update: if signedIn()
        && resource.data.toUid == request.auth.uid
        && resource.data.status == 'pending'
        && request.resource.data.status == 'accepted'
        && request.resource.data.fromUid == resource.data.fromUid
        && request.resource.data.toUid == resource.data.toUid;
      allow delete: if signedIn()
        && (resource.data.fromUid == request.auth.uid
            || resource.data.toUid == request.auth.uid);
    }

    match /tasks/{taskId} {
      allow read: if signedIn() && resource.data.userId == request.auth.uid;
      allow create: if signedIn()
        && request.resource.data.userId == request.auth.uid
        && request.resource.data.title is string;
      allow update, delete: if signedIn()
        && resource.data.userId == request.auth.uid
        && request.resource.data.userId == resource.data.userId;
    }

    // Calendar events (e.g. scan-to-calendar); image URLs may point at Firebase Storage
    match /events/{eventId} {
      allow read: if signedIn() && resource.data.userId == request.auth.uid;
      allow create: if signedIn()
        && request.resource.data.userId == request.auth.uid
        && request.resource.data.title is string
        && request.resource.data.date is string;
      allow update, delete: if signedIn()
        && resource.data.userId == request.auth.uid
        && request.resource.data.userId == resource.data.userId;
    }

    match /sessions/{sessionId} {
      allow read: if signedIn() && resource.data.userId == request.auth.uid;
      allow create: if signedIn()
        && request.resource.data.userId == request.auth.uid;
      allow update, delete: if signedIn()
        && resource.data.userId == request.auth.uid
        && request.resource.data.userId == resource.data.userId;
    }

    match /studyRooms/{roomId} {
      allow read: if signedIn()
        && request.auth.uid in resource.data.members;
      allow create: if signedIn()
        && request.resource.data.hostId == request.auth.uid
        && request.auth.uid in request.resource.data.members;
      allow update: if signedIn()
        && request.auth.uid in resource.data.members;
      allow delete: if signedIn() && resource.data.hostId == request.auth.uid;
    }
  }
}