Observe KEXT: NSDistributedNotificationCenter

ObserveKEXT+NSDistributedNotificationCenter.swift

import Cocoa


@NSApplicationMain
class AppDelegate: NSObject, NSApplicationDelegate {
    private var _token: NSObjectProtocol?
    
    func applicationDidFinishLaunching(_ notification: Notification) {
        _token = DistributedNotificationCenter.default().addObserver(forName: NSNotification.Name(rawValue: "Loaded Kext Notification"),
                                                                     object: nil,
                                                                     queue: .main, using: Self.handleNotification)
    }
    
    private static func handleNotification(notification: Notification) {
        guard let userInfo = notification.userInfo as? [String: Any],
            let loadedKexts = userInfo["KextArrayKey"] as? [[String: Any]] else {
                return
        }
        
        for kextInfo in loadedKexts {
            guard let bundleIdentifier = kextInfo["com.apple.message.bundleID"] as? String,
                let path = kextInfo["com.apple.message.kextpath"] as? String else {
                    continue
            }
            
            NSLog("KEXT \(bundleIdentifier) loaded from \(path).")
        }
    }
}