storage.rules

rules_version = '2';

service firebase.storage {
  match /b/slack-chat-app-clone.appspot.com/o {
    
    match /avatars {
      match /users/{userId} {
        allow read: if request.auth != null;
        allow write: if request.auth != null 
          && request.auth.uid == userId 
          && request.resource.contentType.matches('image/.*') 
          && request.resource.size < 1 * 1024 * 1024;
      }
    }

    match /chat {
      match /public/{imagePath=**} {
        allow read: if request.auth != null;
        allow write: if request.auth != null 
          && request.resource.contentType.matches('image/.*') 
          && request.resource.size < 1 * 1024 * 1024;
      }

      match /private/{userId1}/{userId2}/{imagePath=**} {
        allow read: if request.auth != null 
          && (request.auth.uid == userId1 || request.auth.uid == userId2);
        allow write: if request.auth != null 
          && (request.auth.uid == userId1 || request.auth.uid == userId2) 
          && request.resource.contentType.matches('image/.*') 
          && request.resource.size < 1 * 1024 * 1024;
      }
    }
  }
}