func (s *Server) Handler(w http.ResponseWriter, req *http.Request) {
ctx, cancel := context.WithCancel(context.Background())
defer cancel()
ctx = context.WithValue(ctx, "app.database", s.DB)
ctx = context.WithValue(ctx, "app.config", s.Cfg)
ctx = context.WithValue(ctx, "http.endpoints", api.Endpoints)
mlog.Handler(api.Handler)(ctx, ahttp.NewResponseWriter(w), req)
}
func Handler(fn ahttp.Handler) ahttp.Handler {
return func(ctx context.Context, resp http.ResponseWriter, req *http.Request) {
ctx = context.WithValue(ctx, "http.request.method", req.Method)
ctx = context.WithValue(ctx, "http.request.remoteaddr", req.RemoteAddr)
ctx = context.WithValue(ctx, "http.request.length", req.ContentLength)
ctx = context.WithValue(ctx, "http.request.time", time.Now().String())
defer func() {
e := logger.GetHTTPEntry(ctx)
e = e.WithField("http.response.time", time.Now().String())
if w, ok := resp.(*ahttp.ResponseWriter); ok {
e = e.WithField("http.response.length", w.ResponseLength)
e = e.WithField("http.response.status", w.HTTPStatus)
e = e.WithField("http.response.error", w.HTTPError)
}
e.Info(req.URL)
}()
fn(ctx, resp, req)
}
}
func Handler(ctx context.Context, w http.ResponseWriter, r *http.Request) {
info, ok := ctx.Value("http.endpoints").(*EndpointsInfo)
if !ok {
ahttp.HTTPResponse(w, http.StatusInternalServerError, "Unable to obtain API information from context")
InternalServerErrorHandler(ctx, w, r)
return
}
p := r.URL.Query()
for _, a := range info.Endpoints {
match := a.Regexp.FindStringSubmatch(r.URL.Path)
if match == nil {
continue
}
for i, name := range a.Regexp.SubexpNames() {
if i == 0 {
continue
}
p.Set(name, match[i])
}
ctx = context.WithValue(ctx, "http.request.query.params", &p)
var reqHandler ahttp.Handler
if v, ok := a.Handlers[r.Method]; ok {
reqHandler = v
if a.NeedDBHandler {
reqHandler = db.Handler(reqHandler)
}
if a.NeedJSONHandler {
reqHandler = jsonresponse.Handler(reqHandler)
}
} else {
reqHandler = NotAllowedHandler
}
reqHandler(ctx, w, r)
return
}
// Never should be here
NotFoundHandler(ctx, w, r)
}