Handling requests with Go

Go Middleware

The Clerk Go SDK provides an easy-to-use middleware that adds the active session to the request’s context.

.env
package main
 
import (
  "net/http"
  "github.com/clerk/clerk-sdk-go/clerk"
)
 
func main() {
	client, _ := clerk.NewClient({{secret}})
 
	mux := http.NewServeMux()
 
	injectActiveSession := clerk.WithSession(client)
	mux.Handle("/hello", injectActiveSession(helloUserHandler(client)))
 
	http.ListenAndServe(":8080", mux)
}
 
func helloUserHandler(client clerk.Client) http.HandlerFunc {
	return func(w http.ResponseWriter, r *http.Request) {
		ctx := r.Context()
 
		sessClaims, ok := ctx.Value(clerk.ActiveSessionClaims).(*clerk.SessionClaims)
		if !ok {
			w.WriteHeader(http.StatusUnauthorized)
			w.Write([]byte("Unauthorized"))
			return
		}
 
		user, err := client.Users().Read(sessClaims.Subject)
		if err != nil {
			panic(err)
		}
 
		w.Write([]byte("Welcome " + *user.FirstName))
	}
}