cotugno/syncthing
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Add redirection middleware

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This commit is contained in:
Audrius Butkevicius 2014-09-12 20:28:47 +01:00
parent 583bcfb3c7
commit 3662decb8b
1 changed files with 38 additions and 24 deletions
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62
cmd/syncthing/gui.go
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@ -58,30 +58,25 @@ func init() {
func startGUI(cfg config.GUIConfiguration, assetDir string, m *model.Model) error {
var listener net.Listener
var err error
if cfg.UseTLS {
cert, err := loadCert(confDir, "https-")
if err != nil {
l.Infoln("Loading HTTPS certificate:", err)
l.Infoln("Creating new HTTPS certificate")
newCertificate(confDir, "https-")
cert, err = loadCert(confDir, "https-")
}
if err != nil {
return err
}
tlsCfg := &tls.Config{
Certificates: []tls.Certificate{cert},
ServerName: "syncthing",
}
listener, err = tls.Listen("tcp", cfg.Address, tlsCfg)
if err != nil {
return err
}
} else {
listener, err = net.Listen("tcp", cfg.Address)
if err != nil {
return err
}
cert, err := loadCert(confDir, "https-")
if err != nil {
l.Infoln("Loading HTTPS certificate:", err)
l.Infoln("Creating new HTTPS certificate")
newCertificate(confDir, "https-")
cert, err = loadCert(confDir, "https-")
}
if err != nil {
return err
}
tlsCfg := &tls.Config{
Certificates: []tls.Certificate{cert},
ServerName: "syncthing",
}
listener, err = NewDowngradingListener(cfg.Address, tlsCfg)
if err != nil {
return err
}
// The GET handlers
@ -144,6 +139,9 @@ func startGUI(cfg config.GUIConfiguration, assetDir string, m *model.Model) erro
handler = basicAuthAndSessionMiddleware(cfg, handler)
}
// Add our redirection middleware
handler = redirectionMiddleware(handler, cfg.Address, cfg.UseTLS)
go http.Serve(listener, handler)
return nil
}
@ -161,6 +159,22 @@ func getPostHandler(get, post http.Handler) http.Handler {
})
}
func redirectionMiddleware(h http.Handler, host string, usingTLS bool) http.Handler {
return http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
if r.TLS == nil && usingTLS {
r.URL.Host = host
r.URL.Scheme = "https"
http.Redirect(w, r, r.URL.String(), http.StatusFound)
} else if r.TLS != nil && !usingTLS {
r.URL.Host = host
r.URL.Scheme = "http"
http.Redirect(w, r, r.URL.String(), http.StatusFound)
} else {
h.ServeHTTP(w, r)
}
})
}
func noCacheMiddleware(h http.Handler) http.Handler {
return http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
w.Header().Set("Cache-Control", "no-cache")