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package main
import (
"flag"
"fmt"
"io"
"log"
"net/http"
"strings"
"github.com/prologic/go-gopher"
)
var (
bind = flag.String("bind", ":80", "[int]:port to bind to")
host = flag.String("host", "localhost", "host to proxy to")
port = flag.Int("port", 70, "port to proxy to")
)
func proxy(res http.ResponseWriter, req *http.Request) {
path := strings.TrimPrefix(req.URL.Path, "/")
gr, err := gopher.Get(fmt.Sprintf("gopher://%s:%d/%s", *host, *port, path))
if err != nil {
io.WriteString(res, fmt.Sprintf("<b>Error:</b><pre>%s</pre>", err))
return
}
if gr.Body != nil {
io.Copy(res, gr.Body)
} else {
bytes, err := gr.Dir.ToText()
if err != nil {
io.WriteString(res, fmt.Sprintf("<b>Error:</b><pre>%s</pre>", err))
return
}
io.WriteString(res, string(bytes))
}
}
func main() {
flag.Parse()
http.HandleFunc("/", proxy)
log.Fatal(http.ListenAndServe(*bind, nil))
}
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