jhdb-cms/firestore.rules at master · jazzhistorydatabase/jhdb-cms · GitHub

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

  	function userExists() {
      return (exists(/databases/$(database)/documents/Users/$(request.auth.uid)) == true);
    }

  	function userIsAuthorized() {
      return (request.auth.uid in get(/databases/$(database)/documents/Users/authorized).data) &&
      				(get(/databases/$(database)/documents/Users/authorized).data[request.auth.uid] == true);
    }

    function userIsAdmin() {
      return (request.auth.uid in get(/databases/$(database)/documents/Users/admin).data) &&
      			(get(/databases/$(database)/documents/Users/admin).data[request.auth.uid] == true);
    }

    function getContrib(id) {
      return get(/databases/$(database)/documents/Contributions/$(id));
    }

    function userIsOwner(doc) {
      return (doc != null && "owner" in doc.data && request.auth.uid == doc.data.owner);
    }

  	match /Contributions/{document=**} {
      allow create: if userExists() && userIsAuthorized();
    	allow read, write: if userExists() && userIsAuthorized() && (userIsAdmin() || userIsOwner(resource));
    }

  	match /Contributions/{contrib}/{sub=**} {
      allow create: if userExists() && userIsAuthorized();
    	allow read, write: if userExists() && userIsAuthorized() && (userIsAdmin() || userIsOwner(getContrib(contrib)));
    }

    match /Users/admin {
    	allow read;
      allow write: if userExists() && userIsAdmin();
    }

    match /Users/authorized {
    	allow read;
      allow write: if userExists() && userIsAdmin();
    }

    match /Users/{uid} {
      allow read;
    	allow create, write: if (userIsAdmin() || request.auth.uid == uid);
    }

    match /Contributions/published {
      allow read;
      allow write: if userExists() && userIsAdmin();
    }
  }
}