Comprehensive-immunization-./firestore.rules at main · aymanar442-beep/Comprehensive-immunization-. · GitHub

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

    // Default deny all access
    match /{document=**} {
      allow read, write: if false;
    }

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

    function isValidId(id) {
      return id is string && id.size() > 0 && id.size() <= 128 && id.matches('^[a-zA-Z0-9_\\-]+$');
    }

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

    function existing() {
      return resource.data;
    }

    function isValidUserProfile(data) {
      return data.keys().hasAll(['userId', 'email', 'createdAt', 'updatedAt']) &&
             data.userId is string && data.userId == request.auth.uid &&
             data.email is string && data.email.size() <= 200 &&
             (!('displayName' in data) || (data.displayName is string && data.displayName.size() <= 100)) &&
             (!('photoURL' in data) || (data.photoURL is string && data.photoURL.size() <= 500)) &&
             data.createdAt is timestamp &&
             data.updatedAt is timestamp;
    }

    function isValidTaskItem(data) {
      return data.keys().hasAll(['title', 'userId', 'status', 'category', 'createdAt', 'updatedAt']) &&
             data.title is string && data.title.size() > 0 && data.title.size() <= 200 &&
             data.userId is string && data.userId == request.auth.uid &&
             data.status is string && (data.status == 'todo' || data.status == 'in_progress' || data.status == 'completed') &&
             data.category is string && (data.category == 'work' || data.category == 'personal' || data.category == 'general' || data.category == 'urgent') &&
             (!('description' in data) || (data.description is string && data.description.size() <= 1000)) &&
             data.createdAt is timestamp &&
             data.updatedAt is timestamp;
    }

    // User Profile matching
    match /users/{userId} {
      allow get: if isSignedIn() && isValidId(userId) && request.auth.uid == userId;
      allow create: if isSignedIn() && isValidId(userId) && request.auth.uid == userId &&
                    isValidUserProfile(incoming()) &&
                    incoming().createdAt == request.time &&
                    incoming().updatedAt == request.time;
      allow update: if isSignedIn() && isValidId(userId) && request.auth.uid == userId &&
                    isValidUserProfile(incoming()) &&
                    incoming().userId == existing().userId &&
                    incoming().createdAt == existing().createdAt &&
                    incoming().updatedAt == request.time &&
                    incoming().diff(existing()).affectedKeys().hasOnly(['displayName', 'photoURL', 'updatedAt']);
      allow delete: if isSignedIn() && isValidId(userId) && request.auth.uid == userId;
    }

    // Task Item matching
    match /tasks/{taskId} {
      allow get: if isSignedIn() && isValidId(taskId) && existing().userId == request.auth.uid;
      allow list: if isSignedIn() && resource.data.userId == request.auth.uid;
      allow create: if isSignedIn() && isValidId(taskId) &&
                    isValidTaskItem(incoming()) &&
                    incoming().userId == request.auth.uid &&
                    incoming().createdAt == request.time &&
                    incoming().updatedAt == request.time;
      allow update: if isSignedIn() && isValidId(taskId) &&
                    isValidTaskItem(incoming()) &&
                    existing().userId == request.auth.uid &&
                    incoming().userId == existing().userId &&
                    incoming().createdAt == existing().createdAt &&
                    incoming().updatedAt == request.time &&
                    incoming().diff(existing()).affectedKeys().hasOnly(['title', 'description', 'category', 'status', 'updatedAt']);
      allow delete: if isSignedIn() && isValidId(taskId) && existing().userId == request.auth.uid;
    }
  }
}