On Thu, Apr 4, 2019 at 2:44 AM <[email protected]> wrote:
>
> I have modify the middleware to the below but it only work if the handler
> function "/protected" is in the main function.
> I have many handlers and do not want to put all of them in the main.go.
> You suggest i define a struct and use member function of the struct, can you
> elaborate more about for me or the format.
Something like this:
type TokenHandler struct {
Server *server.Server
}
func (t TokenHandler) Middleware(next http.Handler) http.Handler {
return http.HandlerFunc(...)
}
In main:
tokenMW:=TokenHandler{Server:srv}
router.Use(tokenMW.Middleware)
You can define the middlewares in any package you want, they don't
have to be in main.
>
> func ValidateToken(srv *server.Server) func(http.Handler) http.Handler {
> return func(next http.Handler) http.Handler {
> return http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
> notAuth := []string{"/oauth2/token", "/credentials"} //List of endpoints that
> doesn't require auth
> requestPath := r.URL.Path //current request path
>
> //check if request does not need authentication, serve the request if it
> doesn't need it
> for _, value := range notAuth {
>
> if value == requestPath {
> next.ServeHTTP(w, r)
> return
> }
> }
> _, err := srv.ValidationBearerToken(r)
> if err != nil {
> http.Error(w, err.Error(), http.StatusBadRequest)
> return
> }
>
> next.ServeHTTP(w, r)
> })
> }
> }
>
>
> On Thursday, April 4, 2019 at 10:46:08 AM UTC+3, [email protected] wrote:
>>
>> changing and using "router.Use(getTokenMW(server))" is validating all the
>> routes. How can i exclude routes
>> /oauth2/token and /credentials. I read that populate but i dont get the idea.
>> Any clew about how to go about this?
>>
>> On Wednesday, April 3, 2019 at 6:47:12 PM UTC+3, Burak Serdar wrote:
>>>
>>> On Wed, Apr 3, 2019 at 8:35 AM <[email protected]> wrote:
>>>
>>> > type Route struct {
>>> > Name string
>>> > Method string
>>> > Pattern string
>>> > HandlerFunc http.HandlerFunc
>>> > }
>>> >
>>> > type Routes []Route
>>> >
>>> > func NewRouter() *mux.Router {
>>> > router := mux.NewRouter().StrictSlash(true)
>>> > for _, route := range routes {
>>> > var handler http.Handler
>>> > handler = route.HandlerFunc
>>> > handler = Logger(handler, route.Name)
>>> >
>>> > router.
>>> > Methods(route.Method).
>>> > Path(route.Pattern).
>>> > Name(route.Name).
>>> > Handler(handler)
>>> > }
>>> >
>>> > return router
>>> > }
>>> >
>>> > func Index(w http.ResponseWriter, r *http.Request) {
>>> > fmt.Fprintf(w, "Hello World!")
>>> > }
>>> >
>>> > var routes = Routes{
>>> > {
>>> > "Index",
>>> > "GET",
>>> > "/",
>>> > Index,
>>> > },
>>> >
>>> > {
>>> > "protecteduri",
>>> > strings.ToUpper("Get"),
>>> > "/protected",
>>> > protecteduri,
>>> > },
>>> > }
>>> >
>>> > My question is how do i apply the "validateToken" function (middleware)
>>> > to the routes in the router.go?
>>> > The function is to validate the access token in the request message
>>> > before calling the handler functions.
>>> >
>>> Have you looked at the gorilla/mux documentation about middlewares?
>>> There are examples there: https://godoc.org/github.com/gorilla/mux
>>>
>>> You need to change the validateToken func:
>>>
>>> func getTokenMW(srv *server.Server) func(http.Handler) http.Handler {
>>> return func(next http.Handler) http.Handler {
>>> return http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
>>> }
>>> }
>>> }
>>>
>>> Then:
>>> router.Use(getTokenMW(server))
>>>
>>> Or, you can define a struct, put the server pointer in it, and use a
>>> member function of that struct as the middleware.
>
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