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package httptoo
import (
"net/http"
"strconv"
"strings"
"github.com/bradfitz/iter"
"github.com/anacrolix/missinggo"
)
func OriginatingProtocol(r *http.Request) string {
if fp := r.Header.Get("X-Forwarded-Proto"); fp != "" {
return fp
} else if r.TLS != nil {
return "https"
} else {
return "http"
}
}
// Clears the named cookie for every domain that leads to the current one.
func NukeCookie(w http.ResponseWriter, r *http.Request, name, path string) {
parts := strings.Split(missinggo.SplitHostMaybePort(r.Host).Host, ".")
for i := range iter.N(len(parts) + 1) { // Include the empty domain.
http.SetCookie(w, &http.Cookie{
Name: name,
MaxAge: -1,
Path: path,
Domain: strings.Join(parts[i:], "."),
})
}
}
// Performs quoted-string from http://www.w3.org/Protocols/rfc2616/rfc2616-sec2.html
func EncodeQuotedString(s string) string {
return strconv.Quote(s)
}
// https://httpstatuses.com/499
const StatusClientCancelledRequest = 499
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