Jailbreak detector

JailbreakDetector.swift

extension UIDevice {

    private class JailbreakDetector {
        static var current: JailbreakDetector = JailbreakDetector()

        lazy var containsSuspiciousFiles: Bool = {
            return (["/Applications/Cydia.app",
                     "/Library/MobileSubstrate/MobileSubstrate.dylib",
                     "/bin/bash",
                     "/usr/sbin/sshd",
                     "/etc/apt",
                     "/private/var/lib/apt/"].first(where: {
                FileManager.default.fileExists(atPath: $0)
            }) != nil)
        }()
    }

    /// Whether user is using jailbroken device
    var isJailbroken: Bool {
        guard self == UIDevice.current else {
            return false
        }
        
        // Check that we are not using the simulator
        #if arch(i386) || arch(x86_64)
            return false
        #else
            return JailbreakDetector.current.containsSuspiciousFiles
        #endif
    }
}