Google_AI_Actual/firestore.rules at main · LG13-21/Google_AI_Actual · GitHub

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rules_version = '2';
service cloud.firestore {
  match /databases/{database}/documents {

    // 0. Default Deny
    match /{document=**} {
      allow read, write: if false;
    }

    // --- Primitives & Helpers ---

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

    function isOwner(userId) {
      return isSignedIn() && request.auth.uid == userId;
    }

    function isValidId(id) {
      return id is string && id.size() <= 128 && id.matches('^[a-zA-Z0-9_\\-]+$');
    }

    function incoming() {
      return request.resource.data;
    }

    function existing() {
      return resource.data;
    }

    // --- Entity Validations ---

    function isValidFileEntry(data) {
      return data.keys().hasAll(['id', 'name', 'timestamp', 'userId']) &&
             data.id is string && data.id.size() <= 128 &&
             data.name is string && data.name.size() <= 256 &&
             data.timestamp is number &&
             data.userId == request.auth.uid &&
             (data.get('content', '') is string && data.get('content', '').size() <= 1048576) &&
             (data.get('category', 'OTHER') is string) &&
             (data.get('indexStatus', 'IDLE') in ['IDLE', 'INDEXING', 'DONE', 'ERROR']);
    }

    function isValidCaseRecord(data) {
      return data.keys().hasAll(['id', 'name', 'nr', 'userId']) &&
             data.id is string && data.id.size() <= 128 &&
             data.name is string && data.name.size() <= 256 &&
             data.nr is string && data.nr.size() <= 64 &&
             data.userId == request.auth.uid;
    }

    function isValidAuditTask(data) {
      return data.keys().hasAll(['id', 'files', 'status', 'timestamp', 'userId']) &&
             data.id is string && data.id.size() <= 128 &&
             data.files is list && data.files.size() <= 100 &&
             data.status in ['pending', 'processing', 'done', 'error'] &&
             data.timestamp is number &&
             data.userId == request.auth.uid;
    }

    function isValidVersionRecord(data) {
      return data.keys().hasAll(['id', 'version', 'timestamp', 'userId']) &&
             data.id is string && data.id.size() <= 128 &&
             data.version is string && data.version.size() <= 64 &&
             data.timestamp is number &&
             data.userId == request.auth.uid;
    }

    function isValidUserSettings(data) {
      return data.keys().hasAll(['userId']) &&
             data.userId == request.auth.uid;
    }

    // --- Collection Routes ---

    match /users/{userId} {
      allow get: if isOwner(userId);

      match /files/{fileId} {
        allow get: if isOwner(userId) && isValidId(fileId);
        allow list: if isOwner(userId);
        allow create: if isOwner(userId) && isValidId(fileId) && isValidFileEntry(incoming());
        allow update: if isOwner(userId) && isValidFileEntry(incoming()) && (
          incoming().diff(existing()).affectedKeys().hasAny(['isArchived', 'category', 'insight', 'indexStatus', 'content', 'githubPath', 'driveId'])
        );
        allow delete: if isOwner(userId);
      }

      match /cases/{caseId} {
        allow get: if isOwner(userId) && isValidId(caseId);
        allow list: if isOwner(userId);
        allow create: if isOwner(userId) && isValidId(caseId) && isValidCaseRecord(incoming());
        allow update: if isOwner(userId) && isValidCaseRecord(incoming()) && (
          incoming().diff(existing()).affectedKeys().hasAny(['name', 'nr', 'activeVersion'])
        );
        allow delete: if isOwner(userId);
      }

      match /queue/{taskId} {
        allow get: if isOwner(userId) && isValidId(taskId);
        allow list: if isOwner(userId);
        allow create: if isOwner(userId) && isValidId(taskId) && isValidAuditTask(incoming());
        allow update: if isOwner(userId) && isValidAuditTask(incoming()) && (
          incoming().diff(existing()).affectedKeys().hasAny(['status', 'result', 'isNotified', 'error', 'timestamp'])
        );
        allow delete: if isOwner(userId);
      }

      match /history/{historyId} {
        allow get: if isOwner(userId) && isValidId(historyId);
        allow list: if isOwner(userId);
        allow create: if isOwner(userId) && isValidId(historyId) && isValidVersionRecord(incoming());
        allow update: if isOwner(userId) && isValidVersionRecord(incoming()) && (
          incoming().diff(existing()).affectedKeys().hasAny(['text', 'selectedFiles', 'selectedPillars', 'timestamp', 'version'])
        );
        allow delete: if isOwner(userId);
      }

      match /settings/current {
        allow get: if isOwner(userId);
        allow write: if isOwner(userId) && isValidUserSettings(incoming());
      }
    }
  }
}