Enable https on Swift

sample.swift

struct Database{

    let port=":5656"
    let server="https://localhost"

    func GetServerURL()->String{
        return server+""+port
    }


}
 func Login(Username: String, Password: String, completion: @escaping (Int) -> ())
    {
        let semaphore = DispatchSemaphore(value: 1)
        semaphore.wait()
        let db = Database()
        let json: [String: Any] = ["Username": "" + Username, "Password": "" + Password]
        let jsonData = try? JSONSerialization.data(withJSONObject: json)
        var request = URLRequest(url: URL(string: db.GetServerURL() + "/login")!)
        request.httpMethod = "POST"
        request.httpBody = jsonData
        let task = URLSession.shared.dataTask(with: request) { data, response, error in
            guard let data = data, error == nil else {
                print(error?.localizedDescription ?? "No data")
                completion(0)
                return
            }
            let responseJSON = try? JSONSerialization.jsonObject(with: data, options: [])
            if let responseJSON = responseJSON as? [String: Any] {
                let read = responseJSON["return"]!
                let IdUser=Int(String(describing: read))!
                if (IdUser > 0) {

                    completion(IdUser)
                }
                else {
                    completion(0)
                }
            }

        }
        task.resume()
        semaphore.signal()
    }