database.rules.json

{
  "rules": {
    "db": {
      "Project": {
        ".read": true,
        ".write": true
      },
      "Progress": {
        ".read": true,
        ".write": true
      },
      "Questions": {
        ".read": true,
        ".write": true
      },
      "Resources": {
        ".read": true,
        ".write": true
      },
      "Profiles": {
        ".read": "true",
        "$uid": {
          ".read": "true",
          ".write": "auth!= null && $uid === auth.uid || root.child('db/Profiles/' + auth.uid + '/roles/ADMIN').exists() || root.child('db/Profiles/' + auth.uid + '/roles/TEACHER').exists()",
          "Username": {
            ".read": "auth!= null && $uid === auth.uid || root.child('db/Profiles/' + auth.uid + '/roles/ADMIN').exists() || root.child('db/Profiles/' + auth.uid + '/roles/TEACHER').exists()"
          }
        }
      },
      "Untutorials": {
        ".read": "true",
        "$project": {
          ".read": "true",
          ".write": "auth!= null && !data.exists() || (auth.uid === data.child('Author').val()) || root.child('db/Profiles/' + auth.uid + '/roles/ADMIN').exists() || root.child('db/Profiles/' + auth.uid + '/roles/TEACHER').exists()"
        }
      },
      "Classes": {
        ".read": "auth.uid != null && (root.child('db/Profiles/' + auth.uid + '/roles/ADMIN').exists() || root.child('db/Profiles/' + auth.uid + '/roles/TEACHER').exists())",
        "$class": {
          ".read": "auth.uid != null && (root.child('db/Profiles/' + auth.uid + '/roles/ADMIN').exists() || root.child('db/Profiles/' + auth.uid + '/roles/TEACHER').exists())",
          ".write": "auth.uid != null && root.child('db/Profiles/' + auth.uid + '/roles/ADMIN').exists()",
          "$members": {
            ".read": "auth!= null && root.child('db/Profiles/' + auth.uid + '/roles/ADMIN').exists() || (root.child('profiles/' + auth.uid + '/roles/TEACHER').exists() && data.child(auth.uid).exists())",
            ".write": "auth!= null && root.child('db/Profiles/' + auth.uid + '/roles/ADMIN').exists()"
          }
        }
      },
      "Projects": {
        ".read": true,
        ".write": true
      }
    }
  }
}