jailBroken.swift

jailBroken.swift

 static var isDeviceJailbroken: Bool {

        guard TARGET_IPHONE_SIMULATOR != 1 else { return false }

        // Check 1 : existence of files that are common for jailbroken devices
        if FileManager.default.fileExists(atPath: "/Applications/Cydia.app")
            || FileManager.default.fileExists(atPath: "/Library/MobileSubstrate/MobileSubstrate.dylib")
            || FileManager.default.fileExists(atPath: "/bin/bash")
            || FileManager.default.fileExists(atPath: "/usr/sbin/sshd")
            || FileManager.default.fileExists(atPath: "/etc/apt")
            || FileManager.default.fileExists(atPath: "/private/var/lib/apt/")
            || UIApplication.shared.canOpenURL(URL(string:"cydia://package/com.example.package")!) {

            return true
        }

        // Check 2 : Reading and writing in system directories (sandbox violation)
        let stringToWrite = "Jailbreak Test"
        do {
            try stringToWrite.write(toFile:"/private/JailbreakTest.txt", atomically:true, encoding:String.Encoding.utf8)
            // Device is jailbroken
            return true
        } catch {
            return false
        }
    }