Case insensitive paths?

[Marc Harter]

Is there a way to do this in Gorilla Mux?  We recently moved our API to Mux and discovered some of our users were not using all lowercase in their paths and would need to support.

E.g.

r.HandleFunc("/v1/site/{site}/order", Upload)

Would like that to match things like /v1/site/{site}/Order?

Thanks,

Marc

[Matt Silverlock]

Two approaches:

• If you don't need to maintain the upper-cased route, write middleware that wraps your router and lower-cases the path component of r.URL (see example)
• You can use regex matches as well.

e.x.

func main() {

r := mux.NewRouter()

r.HandleFunc("/route", Handler)

log.Fatal(http.ListenAndServe("localhost:8000", LowerCaseURI(r)))

}

func Handler(w http.ResponseWriter, r *http.Request) {

w.Write([]byte("hello\n"))

}

func LowerCaseURI(h http.Handler) http.Handler {

fn := func(w http.ResponseWriter, r *http.Request) {

r.URL.Path = strings.ToLower(r.URL.Path)

h.ServeHTTP(w, r)

}

return http.HandlerFunc(fn)

}

[Marc Harter]

Thanks Matt, the LowerCaseURI handler should work great for us!

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[Mihai Chiorean]

      You might want to do `req.URL.RawQuery= strings.ToLower(req.URL.RawQuery)` too, otherwise if case is wrong on query param, you'll get 404s

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