// ServeHTTP dispatches the handler registered in the matched route.
//
// When there is a match, the route variables can be retrieved calling
// mux.Vars(request).
func (r *Router) ServeHTTP(w http.ResponseWriter, req *http.Request) {
// Clean path to canonical form and redirect.
if p := cleanPath(req.URL.Path); p != req.URL.Path {
// Added 3 lines (Philip Schlump) - It was droping the query string and #whatever from query.
// This matches with fix in go 1.2 r.c. 4 for same problem. Go Issue:
// http://code.google.com/p/go/issues/detail?id=5252
url := *req.URL
url.Path = p
p = url.String()
w.Header().Set("Location", p)
w.WriteHeader(http.StatusMovedPermanently)
return
}
var match RouteMatch
var handler http.Handler
if r.Match(req, &match) {
handler = match.Handler
setVars(req, match.Vars)
setCurrentRoute(req, match.Route)
}
if handler == nil {
handler = r.NotFoundHandler
if handler == nil {
handler = http.NotFoundHandler()
}
}
if !r.KeepContext {
defer context.Clear(req)
}
handler.ServeHTTP(w, req)
}
// Auth Handler for net/http
func (a *AuthRoute) AuthHandler(h http.Handler) http.Handler {
return http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
userId, token, err := a.authenticate(w, r)
if err != nil {
http.Error(w, err.Error(), http.StatusUnauthorized)
return
}
context.Set(r, TokenKey, token)
context.Set(r, UserKey, userId)
h.ServeHTTP(w, r)
context.Clear(r)
})
}
// Auth middleware for negroni
func (a *AuthRoute) AuthMiddleware(w http.ResponseWriter, r *http.Request, next http.HandlerFunc) {
userId, token, err := a.authenticate(w, r)
if err != nil {
http.Error(w, err.Error(), http.StatusUnauthorized)
return
}
context.Set(r, TokenKey, token)
context.Set(r, UserKey, userId)
next(w, r)
context.Clear(r)
}