กฎความปลอดภัยพื้นฐาน

Cloud Firestore

service cloud.firestore {
  match /databases/{database}/documents {
    match /{document=**} {
      allow read, write: if false;
    }
  }
}

Realtime Database

{
  "rules": {
    ".read": false,
    ".write": false
  }
}

Cloud Storage

service firebase.storage {
  match /b/{bucket}/o {
    match /{allPaths=**} {
      allow read, write: if request.auth != null;
    }
  }
}

Cloud Firestore

service cloud.firestore {
  match /databases/{database}/documents {
    match /{document=**} {
      allow read, write: if request.auth != null;
    }
  }
}

Realtime Database

{
  "rules": {
    ".read": "auth.uid !== null",
    ".write": "auth.uid !== null"
  }
}

Cloud Storage

service firebase.storage {
  match /b/{bucket}/o {
    match /{allPaths=**} {
      allow read, write: if request.auth != null;
    }
  }
}

Cloud Firestore

service cloud.firestore {
  match /databases/{database}/documents {
    // Allow only authenticated content owners access
    match /some_collection/{userId}/{documents=**} {
      allow read, write: if request.auth != null && request.auth.uid == userId
    }
  }
}

Realtime Database

{
  "rules": {
    "some_path": {
      "$uid": {
        // Allow only authenticated content owners access to their data
        ".read": "auth !== null && auth.uid === $uid",
        ".write": "auth !== null && auth.uid === $uid"
      }
    }
  }
}

Cloud Storage

// Grants a user access to a node matching their user ID
service firebase.storage {
  match /b/{bucket}/o {
    // Files look like: "user/<UID>/path/to/file.txt"
    match /user/{userId}/{allPaths=**} {
      allow read, write: if request.auth != null && request.auth.uid == userId;
    }
  }
}

Cloud Firestore

service cloud.firestore {
  match /databases/{database}/documents {
    // Allow public read access, but only content owners can write
    match /some_collection/{document} {
      // Allow public reads
      allow read: if true
      // Allow creation if the current user owns the new document
      allow create: if request.auth.uid == request.resource.data.author_uid;
      // Allow updates by the owner, and prevent change of ownership
      allow update: if request.auth.uid == request.resource.data.author_uid
                    && request.auth.uid == resource.data.author_uid;
      // Allow deletion if the current user owns the existing document
      allow delete: if request.auth.uid == resource.data.author_uid;
    }
  }
}

Realtime Database

{
// Allow anyone to read data, but only authenticated content owners can
// make changes to their data

  "rules": {
    "some_path": {
      "$uid": {
        ".read": true,
        // or ".read": "auth.uid !== null" for only authenticated users
        ".write": "auth.uid === $uid"
      }
    }
  }
}

Cloud Storage

service firebase.storage {
  match /b/{bucket}/o {
    // Files look like: "user/<UID>/path/to/file.txt"
    match /user/{userId}/{allPaths=**} {
      allow read;
      allow write: if request.auth.uid == userId;
    }
  }
}

Cloud Firestore

โปรดทราบว่าทุกครั้งที่กฎมีการอ่าน เช่น กฎด้านล่าง ระบบจะเรียกเก็บเงินจากคุณสำหรับการดำเนินการอ่านใน Cloud Firestore

service cloud.firestore {
  match /databases/{database}/documents {
    // For attribute-based access control, Check a boolean `admin` attribute
    allow write: if get(/databases/$(database)/documents/users/$(request.auth.uid)).data.admin == true;
    allow read: true;

    // Alterntatively, for role-based access, assign specific roles to users
    match /some_collection/{document} {
     allow read: if get(/databases/$(database)/documents/users/$(request.auth.uid)).data.role == "Reader"
     allow write: if get(/databases/$(database)/documents/users/$(request.auth.uid)).data.role == "Writer"
   }
  }
}

Realtime Database

{
  "rules": {
    "some_path": {
      "${subpath}": {
        //
        ".write": "root.child('users').child(auth.uid).child('role').val() === 'admin'",
        ".read": true
      }
    }
  }
}

Cloud Firestore

service cloud.firestore {
  match /databases/{database}/documents {
    // For attribute-based access control, check for an admin claim
    allow write: if request.auth.token.admin == true;
    allow read: true;

    // Alterntatively, for role-based access, assign specific roles to users
    match /some_collection/{document} {
     allow read: if request.auth.token.reader == "true";
     allow write: if request.auth.token.writer == "true";
   }
  }
}

Realtime Database

{
  "rules": {
    "some_path": {
      "$uid": {
        // Create a custom claim for each role or group
        // you want to leverage
        ".write": "auth.uid !== null && auth.token.writer === true",
        ".read": "auth.uid !== null && auth.token.reader === true"
      }
    }
  }
}

Cloud Storage

service firebase.storage {
  // Allow reads if the group ID in your token matches the file metadata's `owner` property
  // Allow writes if the group ID is in the user's custom token
  match /files/{groupId}/{fileName} {
    allow read: if resource.metadata.owner == request.auth.token.groupId;
    allow write: if request.auth.token.groupId == groupId;
  }
}

Cloud Firestore

service cloud.firestore {
  match /databases/{database}/documents {
    // For tenant-based access control, check for a tenantID
    allow write: if request.auth.token.firebase.tenant == 'tenant2-m6tyz';
    allow read: true;
  }
}

Realtime Database

{
  "rules": {
    "some_path": {
      "$uid": {
        // Only allow reads and writes if user belongs to a specific tenant
        ".write": "auth.uid !== null && auth.token.firebase.tenant === 'tenant2-m6tyz'",
        ".read": "auth.uid !== null
      }
    }
  }
}

Cloud Storage

service firebase.storage {
  // Only allow reads and writes if user belongs to a specific tenant
  match /files/{tenantId}/{fileName} {
    allow read: if request.auth != null;
    allow write: if request.auth.token.firebase.tenant == tenantId;
  }
}