示例#1
0
// URLQuery is a middleware to parse the URL Query parameters just once,
// and store the resulting url.Values in the context.
func URLQuery(c *web.C, h http.Handler) http.Handler {
	fn := func(w http.ResponseWriter, r *http.Request) {
		if c.Env == nil {
			c.Env = make(map[interface{}]interface{})
		}
		c.Env[URLQueryKey] = r.URL.Query()

		h.ServeHTTP(w, r)
	}

	return http.HandlerFunc(fn)
}
示例#2
0
// RequestID is a middleware that injects a request ID into the context of each
// request. A request ID is a string of the form "host.example.com/random-0001",
// where "random" is a base62 random string that uniquely identifies this go
// process, and where the last number is an atomically incremented request
// counter.
func RequestID(c *web.C, h http.Handler) http.Handler {
	fn := func(w http.ResponseWriter, r *http.Request) {
		if c.Env == nil {
			c.Env = make(map[interface{}]interface{})
		}
		myid := atomic.AddUint64(&reqid, 1)
		c.Env[RequestIDKey] = fmt.Sprintf("%s-%06d", prefix, myid)

		h.ServeHTTP(w, r)
	}

	return http.HandlerFunc(fn)
}