make http(s) path for serving the account and admin pages configurable

so you can use the host (domain) name of the mail server for serving other
resources too. the default is is still that account is served on /, and so
takes all incoming requests before giving webhandlers a chance.

mox localserve now serves the account pages on /account/
This commit is contained in:
Mechiel Lukkien
2023-03-12 11:52:15 +01:00
parent 0099197d00
commit 10daf3cb81
10 changed files with 92 additions and 59 deletions

View File

@ -52,7 +52,7 @@ func init() {
}
// Account exports web API functions for the account web interface. All its
// methods are exported under /api/. Function calls require valid HTTP
// methods are exported under api/. Function calls require valid HTTP
// Authentication credentials of a user.
type Account struct{}

View File

@ -1,6 +1,6 @@
{
"Name": "Account",
"Docs": "Account exports web API functions for the account web interface. All its\nmethods are exported under /api/. Function calls require valid HTTP\nAuthentication credentials of a user.",
"Docs": "Account exports web API functions for the account web interface. All its\nmethods are exported under api/. Function calls require valid HTTP\nAuthentication credentials of a user.",
"Functions": [
{
"Name": "SetPassword",

View File

@ -77,14 +77,14 @@ func init() {
xlog.Fatalx("creating sherpa prometheus collector", err)
}
adminSherpaHandler, err = sherpa.NewHandler("/admin/api/", moxvar.Version, Admin{}, &adminDoc, &sherpa.HandlerOpts{Collector: collector, AdjustFunctionNames: "none"})
adminSherpaHandler, err = sherpa.NewHandler("/api/", moxvar.Version, Admin{}, &adminDoc, &sherpa.HandlerOpts{Collector: collector, AdjustFunctionNames: "none"})
if err != nil {
xlog.Fatalx("sherpa handler", err)
}
}
// Admin exports web API functions for the admin web interface. All its methods are
// exported under /admin/api/. Function calls require valid HTTP Authentication
// exported under api/. Function calls require valid HTTP Authentication
// credentials of a user.
type Admin struct{}
@ -183,7 +183,7 @@ func adminHandle(w http.ResponseWriter, r *http.Request) {
return
}
if r.Method == "GET" && r.URL.Path == "/admin/" {
if r.Method == "GET" && r.URL.Path == "/" {
w.Header().Set("Content-Type", "text/html; charset=utf-8")
w.Header().Set("Cache-Control", "no-cache; max-age=0")
// We typically return the embedded admin.html, but during development it's handy

View File

@ -1,6 +1,6 @@
{
"Name": "Admin",
"Docs": "Admin exports web API functions for the admin web interface. All its methods are\nexported under /admin/api/. Function calls require valid HTTP Authentication\ncredentials of a user.",
"Docs": "Admin exports web API functions for the admin web interface. All its methods are\nexported under api/. Function calls require valid HTTP Authentication\ncredentials of a user.",
"Functions": [
{
"Name": "CheckDomain",

View File

@ -170,15 +170,15 @@ func (w *loggingWriter) Done() {
}
// Set some http headers that should prevent potential abuse. Better safe than sorry.
func safeHeaders(fn http.HandlerFunc) http.HandlerFunc {
return func(w http.ResponseWriter, r *http.Request) {
func safeHeaders(fn http.Handler) http.Handler {
return http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
h := w.Header()
h.Set("X-Frame-Options", "deny")
h.Set("X-Content-Type-Options", "nosniff")
h.Set("Content-Security-Policy", "default-src 'self' 'unsafe-inline' data:")
h.Set("Referrer-Policy", "same-origin")
fn(w, r)
}
fn.ServeHTTP(w, r)
})
}
// Built-in handlers, e.g. mta-sts and autoconfig.
@ -186,7 +186,7 @@ type pathHandler struct {
Name string // For logging/metrics.
HostMatch func(dom dns.Domain) bool // If not nil, called to see if domain of requests matches. Only called if requested host is a valid domain.
Path string // Path to register, like on http.ServeMux.
Handle http.HandlerFunc
Handler http.Handler
}
type serve struct {
Kinds []string // Type of handler and protocol (e.g. acme-tls-alpn-01, account-http, admin-https).
@ -195,9 +195,10 @@ type serve struct {
Webserver bool // Whether serving WebHandler. PathHandlers are always evaluated before WebHandlers.
}
// HandleFunc registers a named handler for a path and optional host. If path ends with a slash, it
// is used as prefix match, otherwise a full path match is required. If hostOpt is set, only requests to those host are handled by this handler.
func (s *serve) HandleFunc(name string, hostMatch func(dns.Domain) bool, path string, fn http.HandlerFunc) {
// Handle registers a named handler for a path and optional host. If path ends with
// a slash, it is used as prefix match, otherwise a full path match is required. If
// hostOpt is set, only requests to those host are handled by this handler.
func (s *serve) Handle(name string, hostMatch func(dns.Domain) bool, path string, fn http.Handler) {
s.PathHandlers = append(s.PathHandlers, pathHandler{name, hostMatch, path, fn})
}
@ -278,7 +279,7 @@ func (s *serve) ServeHTTP(xw http.ResponseWriter, r *http.Request) {
}
if r.URL.Path == h.Path || strings.HasSuffix(h.Path, "/") && strings.HasPrefix(r.URL.Path, h.Path) {
nw.Handler = h.Name
h.Handle(nw, r)
h.Handler.ServeHTTP(nw, r)
return
}
}
@ -325,35 +326,49 @@ func Listen() {
if l.AccountHTTP.Enabled {
port := config.Port(l.AccountHTTP.Port, 80)
srv := ensureServe(false, port, "account-http")
srv.HandleFunc("account", nil, "/", safeHeaders(accountHandle))
path := "/"
if l.AccountHTTP.Path != "" {
path = l.AccountHTTP.Path
}
handler := safeHeaders(http.StripPrefix(path[:len(path)-1], http.HandlerFunc(accountHandle)))
srv.Handle("account", nil, path, handler)
}
if l.AccountHTTPS.Enabled {
port := config.Port(l.AccountHTTPS.Port, 443)
srv := ensureServe(true, port, "account-https")
srv.HandleFunc("account", nil, "/", safeHeaders(accountHandle))
path := "/"
if l.AccountHTTPS.Path != "" {
path = l.AccountHTTPS.Path
}
handler := safeHeaders(http.StripPrefix(path[:len(path)-1], http.HandlerFunc(accountHandle)))
srv.Handle("account", nil, path, handler)
}
if l.AdminHTTP.Enabled {
port := config.Port(l.AdminHTTP.Port, 80)
srv := ensureServe(false, port, "admin-http")
if !l.AccountHTTP.Enabled {
srv.HandleFunc("admin", nil, "/", safeHeaders(adminIndex))
path := "/admin/"
if l.AdminHTTP.Path != "" {
path = l.AdminHTTP.Path
}
srv.HandleFunc("admin", nil, "/admin/", safeHeaders(adminHandle))
handler := safeHeaders(http.StripPrefix(path[:len(path)-1], http.HandlerFunc(adminHandle)))
srv.Handle("admin", nil, path, handler)
}
if l.AdminHTTPS.Enabled {
port := config.Port(l.AdminHTTPS.Port, 443)
srv := ensureServe(true, port, "admin-https")
if !l.AccountHTTPS.Enabled {
srv.HandleFunc("admin", nil, "/", safeHeaders(adminIndex))
path := "/admin/"
if l.AdminHTTPS.Path != "" {
path = l.AdminHTTPS.Path
}
srv.HandleFunc("admin", nil, "/admin/", safeHeaders(adminHandle))
handler := safeHeaders(http.StripPrefix(path[:len(path)-1], http.HandlerFunc(adminHandle)))
srv.Handle("admin", nil, path, handler)
}
if l.MetricsHTTP.Enabled {
port := config.Port(l.MetricsHTTP.Port, 8010)
srv := ensureServe(false, port, "metrics-http")
srv.HandleFunc("metrics", nil, "/metrics", safeHeaders(promhttp.Handler().ServeHTTP))
srv.HandleFunc("metrics", nil, "/", safeHeaders(func(w http.ResponseWriter, r *http.Request) {
srv.Handle("metrics", nil, "/metrics", safeHeaders(promhttp.Handler()))
srv.Handle("metrics", nil, "/", safeHeaders(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
if r.URL.Path != "/" {
http.NotFound(w, r)
return
@ -363,7 +378,7 @@ func Listen() {
}
w.Header().Set("Content-Type", "text/html")
fmt.Fprint(w, `<html><body>see <a href="/metrics">/metrics</a></body></html>`)
}))
})))
}
if l.AutoconfigHTTPS.Enabled {
port := config.Port(l.AutoconfigHTTPS.Port, 443)
@ -372,8 +387,8 @@ func Listen() {
// todo: may want to check this against the configured domains, could in theory be just a webserver.
return strings.HasPrefix(dom.ASCII, "autoconfig.")
}
srv.HandleFunc("autoconfig", autoconfigMatch, "/mail/config-v1.1.xml", safeHeaders(autoconfHandle))
srv.HandleFunc("autodiscover", autoconfigMatch, "/autodiscover/autodiscover.xml", safeHeaders(autodiscoverHandle))
srv.Handle("autoconfig", autoconfigMatch, "/mail/config-v1.1.xml", safeHeaders(http.HandlerFunc(autoconfHandle)))
srv.Handle("autodiscover", autoconfigMatch, "/autodiscover/autodiscover.xml", safeHeaders(http.HandlerFunc(autodiscoverHandle)))
}
if l.MTASTSHTTPS.Enabled {
port := config.Port(l.MTASTSHTTPS.Port, 443)
@ -382,7 +397,7 @@ func Listen() {
// todo: may want to check this against the configured domains, could in theory be just a webserver.
return strings.HasPrefix(dom.ASCII, "mta-sts.")
}
srv.HandleFunc("mtasts", mtastsMatch, "/.well-known/mta-sts.txt", safeHeaders(mtastsPolicyHandle))
srv.Handle("mtasts", mtastsMatch, "/.well-known/mta-sts.txt", safeHeaders(http.HandlerFunc(mtastsPolicyHandle)))
}
if l.PprofHTTP.Enabled {
// Importing net/http/pprof registers handlers on the default serve mux.
@ -392,7 +407,7 @@ func Listen() {
}
srv := &serve{[]string{"pprof-http"}, nil, nil, false}
portServe[port] = srv
srv.HandleFunc("pprof", nil, "/", http.DefaultServeMux.ServeHTTP)
srv.Handle("pprof", nil, "/", http.DefaultServeMux)
}
if l.WebserverHTTP.Enabled {
port := config.Port(l.WebserverHTTP.Port, 80)
@ -412,7 +427,7 @@ func Listen() {
// validation handler.
if srv, ok := portServe[80]; ok && srv.TLSConfig == nil {
srv.Kinds = append(srv.Kinds, "acme-http-01")
srv.HandleFunc("acme-http-01", nil, "/.well-known/acme-challenge/", m.Manager.HTTPHandler(nil).ServeHTTP)
srv.Handle("acme-http-01", nil, "/.well-known/acme-challenge/", m.Manager.HTTPHandler(nil))
}
hosts := map[dns.Domain]struct{}{
@ -452,19 +467,6 @@ func Listen() {
}
}
// Only used when the account page is not active on the same listener.
func adminIndex(w http.ResponseWriter, r *http.Request) {
if r.URL.Path != "/" {
http.NotFound(w, r)
return
}
if r.Method != "GET" {
http.Error(w, http.StatusText(http.StatusMethodNotAllowed), http.StatusMethodNotAllowed)
return
}
http.Redirect(w, r, "/admin/", http.StatusSeeOther)
}
// functions to be launched in goroutine that will serve on a listener.
var servers []func()

View File

@ -26,9 +26,9 @@ func TestServeHTTP(t *testing.T) {
return strings.HasPrefix(dom.ASCII, "mta-sts.")
},
Path: "/.well-known/mta-sts.txt",
Handle: func(w http.ResponseWriter, r *http.Request) {
Handler: http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
w.Write([]byte("mta-sts!"))
},
}),
},
},
Webserver: true,