Login

ViewController.swift

import Cocoa
extension String {
    func fromBase64() -> String? {
        guard let data = Data(base64Encoded: self) else {
            return nil
        }
        return String(data: data, encoding: .utf8)
    }
    func toBase64() -> String {
        return Data(self.utf8).base64EncodedString()
    }
}
class ViewController: NSViewController , NSWindowDelegate {
  
    
    var userInfo:UserInfo = UserInfo()
    
    struct UserInfo : Decodable{
        var email:String=""
        var username:String=""
        var password:String=""
        var token:String=""
        var status:String=""
    }
    
    func check_login(username:String,password:String) {
        let urlString = "https://programmerdesign.com/go_through/site/login"
        let str = username+":"+password;
        let utf8str = str.data(using: .utf8)
        if let base64Encoded = utf8str?.base64EncodedString(options: Data.Base64EncodingOptions(rawValue: 0)) {
            if let url = URL(string:urlString) {
                var request = URLRequest(url: url)
                request.httpMethod = "POST"
                request.setValue("application/json", forHTTPHeaderField: "Content-Type")
                request.setValue("Powered by Swift!", forHTTPHeaderField: "X-Powered-By")
                request.setValue("Basic "+base64Encoded, forHTTPHeaderField: "Authorization")
                let json = [
                    "test": "test",
                    ]
                let jsonData = try! JSONSerialization.data(withJSONObject: json, options: [])
                let task = URLSession.shared.uploadTask(with: request ,from:jsonData, completionHandler:{ data, response, error in
                    // Check the response
                    let decoder = JSONDecoder()
                    do{
                        let user = try decoder.decode(UserInfo.self,from:data!)
                        
                        self.userInfo.token = user.token
                        self.userInfo.email = user.email
                        self.userInfo.username = user.username
                        self.userInfo.status  = user.status
                        DispatchQueue.main.async(){
                            if(self.userInfo.status == "true"){
                                UserDefaults.standard.set(self.userInfo.token,forKey:"token")
                                UserDefaults.standard.synchronize()
                              
                                self.performSegue(withIdentifier:NSStoryboardSegue.Identifier("GoToMain"),sender:self)
                            }else{
                               
                                print("Invalid Username or Password")
                            }
                        }
                        
                    }catch{
                        DispatchQueue.main.async(){
                            print("Invalid Username or Password")
                           
                        }
                    }
                })
                task.resume()
            }
        }
    }

SignUp

ViewController.swift

 import Cocoa

class ViewController: NSViewController , NSWindowDelegate {
  
    
    struct Response:Decodable{
        var status:Int = -1
        var errors:String = ""
    }
    func registerUser(email:String,username:String,password:String,confirmPassword:String){
        let urlString = "https://programmerdesign.com/go_through/site/signup"
        if let url = URL(string:urlString) {
            var request = URLRequest(url: url)
            request.httpMethod = "POST"
            request.setValue("application/json", forHTTPHeaderField: "Content-Type")
            request.setValue("Powered by Swift!", forHTTPHeaderField: "X-Powered-By")
            let json = [
                "email": email,
                "username":username,
                "password":password
            ]
            let jsonData = try! JSONSerialization.data(withJSONObject: json, options: [])
            let task = URLSession.shared.uploadTask(with: request ,from:jsonData, completionHandler:{ data, response, error in
                // Check the response
                let decoder = JSONDecoder()
                do{
                    let rs = try decoder.decode(Response.self,from:data!)
                    if(rs.status == 1){
                        DispatchQueue.main.async{
                           //set input empty value
                        }
                        print("กรุณายืนยัน email ของคุณแล้วทำการ Login เพื่อเข้าสู่ระบบ.")
                       
                    }else{
                         print("Error.")
                    }
                    
                }catch{
                    DispatchQueue.main.async(){
                         print("Error.")
                    }
                }
            })
            task.resume()
        }
    }
}