Tutorial by Examples

func loginHandler(w http.ResponseWriter, r *http.Request) { // Steps to login } func main() { http.HandleFunc("/login", loginHandler) http.ListenAndServe(":8080", nil) }

// logger middlerware that logs time taken to process each request func Logger(h http.Handler) http.Handler { return http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) { startTime := time.Now() h.ServeHttp(w,r) endTime := time.Since(startTime) log...

func CORS(h http.Handler) http.Handler { return http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) { origin := r.Header.Get("Origin") w.Header().Set("Access-Control-Allow-Origin", origin) if r.Method == "OPTIONS" { ...

func Authenticate(h http.Handler) http.Handler { return CustomHandlerFunc(func(w *http.ResponseWriter, r *http.Request) { // extract params from req // post params | headers etc if CheckAuth(params) { log.Println("Auth Pass") // pas...

func Recovery(h http.Handler) http.Handler { return http.HandlerFunc(func(w http.ResponseWriter, r *http.Request){ defer func() { if err := recover(); err != nil { // respondInternalServerError } }() h.ServeHTTP(w , r) }...