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