Serving HTTP Requests and Files using same server in Go Lang

Question

Hi I am trying to create a server in Go Lang which serves files and HTTP Requests at the same time.

I want /upload path to accept post requests and /files path to serve static files in the fpath

I tried with the following code but i get a 404 error

func main() {
    fpath, _ := filepath.Abs(filepath.Dir(os.Args[0]))
    fpath+="/public"
    fmt.Println(fpath)
    http.HandleFunc("/upload",uploadFunc)
    http.HandleFunc("/files",http.FileServer(http.Dir(fpath)))
    panic(http.ListenAndServe(":8080", nil))
}

you don't mention at all what kind of technology you are using... — unsafe_where_true
– unsafe_where_true, Commented Aug 20, 2014 at 5:09
You should check out http.StripPrefix. Right now, your http.FileServer is trying to serve routes like "/files/foo" (and thus looking for "./public/files/foo") instead of stripping the "/files" prefix off. I tried this myself and it still didn't work, so there's probably something else wrong, but you'll definitely need to do that anyway. — joshlf
– joshlf, Commented Aug 20, 2014 at 6:09
Try http.Handle("/files/", http.StripPrefix("/files/", http.FileServer(http.Dir(fpath)))) instead of HandleFunc(). Please note the trailing slashes on "/files/". — Intermernet
– Intermernet, Commented Aug 20, 2014 at 9:10

Intermernet · Accepted Answer · 2014-08-20 09:16:35Z

3

You need trailing slashes on your handle path if it's a directory. See http://golang.org/pkg/net/http/#ServeMux for more info.

Patterns name fixed, rooted paths, like "/favicon.ico", or rooted subtrees, like "/images/" (note the trailing slash).

Try

func main() {
    fpath, _ := filepath.Abs(filepath.Dir(os.Args[0]))
    fpath+="/public"
    fmt.Println(fpath)
    http.HandleFunc("/upload",uploadFunc)
    http.Handle("/files/", http.StripPrefix("/files/", http.FileServer(http.Dir(fpath))))
    panic(http.ListenAndServe(":8080", nil))
}

answered Aug 20, 2014 at 9:16

Intermernet

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