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http: Set Alt-Svc header if experimental HTTP3 server is enabled

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This commit is contained in:
Matthew Holt 2019-09-11 18:49:21 -06:00
parent 005a11cf4b
commit fe389fcbd7
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2 changed files with 11 additions and 0 deletions
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1
modules/caddyhttp/caddyhttp.go
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@ -209,6 +209,7 @@ func (app *App) Start() error {
go h3srv.Serve(h3ln)
app.h3servers = append(app.h3servers, h3srv)
app.h3listeners = append(app.h3listeners, h3ln)
srv.h3server = h3srv
}
/////////
}

10
modules/caddyhttp/server.go
View file

@ -26,6 +26,7 @@ import (
"github.com/caddyserver/caddy/v2"
"github.com/caddyserver/caddy/v2/modules/caddytls"
"github.com/lucas-clemente/quic-go/http3"
)
// Server is an HTTP server.
@ -47,12 +48,21 @@ type Server struct {
ExperimentalHTTP3 bool `json:"experimental_http3,omitempty"`
tlsApp *caddytls.TLS
h3server *http3.Server
}
// ServeHTTP is the entry point for all HTTP requests.
func (s *Server) ServeHTTP(w http.ResponseWriter, r *http.Request) {
w.Header().Set("Server", "Caddy")
if s.h3server != nil {
err := s.h3server.SetQuicHeaders(w.Header())
if err != nil {
log.Printf("[ERROR] Setting HTTP/3 Alt-Svc header: %v", err)
}
}
if s.tlsApp.HandleHTTPChallenge(w, r) {
return
}