Method Scheme

req.go:905–942

Scheme contains the request protocol string: http or https for TLS requests. Please use Config.TrustProxy to prevent header spoofing if your app is behind a proxy.

()

// Scheme contains the request protocol string: http or https for TLS requests.
// Please use Config.TrustProxy to prevent header spoofing if your app is behind a proxy.
func (r *DefaultReq) Scheme() string {
	ctx := r.c.fasthttp
	if ctx.IsTLS() {
		return schemeHTTPS
	}
	if !r.IsProxyTrusted() {
		return schemeHTTP
	}

	app := r.c.app
	scheme := schemeHTTP
	const lenXHeaderName = 12
	for key, val := range ctx.Request.Header.All() {
		if len(key) < lenXHeaderName {
			continue // Neither "X-Forwarded-" nor "X-Url-Scheme"
		}
		switch {
		case utils.EqualFold(key[:len(xForwardedPrefix)], xForwardedPrefix):
			if utils.EqualFold(key, xForwardedProtoBytes) ||
				utils.EqualFold(key, xForwardedProtocolBytes) {
				v := app.toString(val)
				if before, _, found := strings.Cut(v, ","); found {
					scheme = utils.TrimSpace(before)
				} else {
					scheme = utils.TrimSpace(v)
				}
			} else if utils.EqualFold(key, xForwardedSslBytes) && utils.EqualFold(val, onBytes) {
				scheme = schemeHTTPS
			}

		case utils.EqualFold(key, xURLSchemeBytes):
			scheme = utils.TrimSpace(app.toString(val))
		default:
			continue
		}
	}
	return utilsstrings.ToLower(utils.TrimSpace(scheme))
}

// Protocol returns the HTTP protocol of request: HTTP/1.1 and HTTP/2.
func (r *DefaultReq) Protocol() string {