Exemple #1
0
//LoginFunc implements the login functionality, will add a cookie to the cookie store for managing authentication
func LoginFunc(w http.ResponseWriter, r *http.Request) {
	session, err := sessions.Store.Get(r, "session")

	if err != nil {
		log.Println("error identifying session")
		loginTemplate.Execute(w, nil)
		return
	}

	switch r.Method {
	case "GET":
		loginTemplate.Execute(w, nil)
	case "POST":
		log.Print("Inside POST")
		r.ParseForm()
		username := r.Form.Get("username")
		password := r.Form.Get("password")

		if (username != "" && password != "") && db.ValidUser(username, password) {
			session.Values["loggedin"] = "true"
			session.Values["username"] = username
			session.Save(r, w)
			log.Print("user ", username, " is authenticated")
			http.Redirect(w, r, "/", 302)
			return
		}
		log.Print("Invalid user " + username)
		loginTemplate.Execute(w, nil)
	default:
		http.Redirect(w, r, "/login/", http.StatusUnauthorized)
	}
}
Exemple #2
0
//GetTokenHandler will get a token for the username and password
func GetTokenHandler(w http.ResponseWriter, r *http.Request) {
	if r.Method != "POST" {
		w.Write([]byte("Method not allowed"))
		return
	}

	r.ParseForm()
	username := r.Form.Get("username")
	password := r.Form.Get("password")
	log.Println(username, " ", password)
	if username == "" || password == "" {
		w.Write([]byte("Invalid Username or password"))
		return
	}
	if db.ValidUser(username, password) {
		/* Set token claims */

		// Create the Claims
		claims := MyCustomClaims{
			username,
			jwt.StandardClaims{
				ExpiresAt: time.Now().Add(time.Hour * 5).Unix(),
			},
		}

		token := jwt.NewWithClaims(jwt.SigningMethodHS256, claims)

		/* Sign the token with our secret */
		tokenString, err := token.SignedString(mySigningKey)
		if err != nil {
			log.Println("Something went wrong with signing token")
			w.Write([]byte("Authentication failed"))
			return
		}

		/* Finally, write the token to the browser window */
		w.Write([]byte(tokenString))
	} else {
		w.Write([]byte("Authentication failed"))
	}
}