iOS Simple Jailbroken Test

Jailbroken.swift

///Discussion:
///In theory, if app is able to have visibility of a file outside the app's environment then it is jailbroken.
///For this test, we will be checking for common files found from various ways of jailbreaking an iOS device.

///As a final test: try writing outside of the app's sandbox.
func isJailbroken() -> Bool{
    #if targetEnvironment(simulator)
    return false
    #else
    let fm = FileManager.default
    var isJailbroken: Bool = false
    isJailbroken = fm.fileExists(atPath: "/private/var/lib/apt") || fm.fileExists(atPath: "/etc/apt") || fm.fileExists(atPath: "/usr/sbin/sshd") || fm.fileExists(atPath: "/bin/bash") || fm.fileExists(atPath: "/Library/MobileSubstrate/MobileSubstrate.dylib") || fm.fileExists(atPath: "/Applications/Cydia.app")

    let stringToWrite = "Jailbreak Test”"
    do {
        try stringToWrite.write(toFile:"/private/JailbreakTest.txt", atomically:true, encoding: String.Encoding.utf8)
        return true
    } catch {
        isJailbroken = isJailbroken || false
    }

    return isJailbroken
    #endif
}