func ImageHandler(writer http.ResponseWriter, req *http.Request) {
	TAG := "panopticon.ImageHandler"
	notFound := httputil.NewJSONAssertable(writer, TAG, http.StatusNotFound, missingImage)
	badReq := httputil.NewJSONAssertable(writer, TAG, http.StatusBadRequest, clientError)

	ctype := "image/jpeg"
	var buf bytes.Buffer

	imgID := httputil.ExtractSegment(req.URL.Path, 3)
	if imgID == "" || imgID == "undefined" {
		if b, err := ioutil.ReadFile(Repository.DefaultImage); err == nil {
			if n, err := buf.Write(b); n != len(b) || err != nil {
				panic(err)
			}
		} else {
			panic(err)
		}
	} else {
		img := Repository.Locate(imgID)
		notFound.Assert(img != nil, "failed to locate a requested image '%s'", imgID)

		u := userFor(req)
		cam := System.GetCamera(img.Source)
		notFound.Assert(!cam.Private || u.Privileged, "attempt by '%s' to access private '%s'", u.Email, cam.ID)

		mode := httputil.ExtractSegment(req.URL.Path, 2)
		badReq.Assert(mode != "video" || img.HasVideo, "attempt to access video for non-video '%s'", img.Handle, *img)

		if mode == "video" {
			ctype = "video/x-msvideo"
			img.RetrieveVideo(&buf)
		} else {
			img.Retrieve(&buf)
		}
	}

	httputil.Send(writer, http.StatusOK, ctype, buf.Bytes())
}
// ImageHandler handles /client/image and /client/video
ImageHandler handles /client/image and /client/video
// ImageHandler handles / client / image and / client / video
func ImageHandler(writer http.ResponseWriter, req *http.Request) {
	TAG := "panopticon.ImageHandler"
	notFound := httputil.NewJSONAssertable(writer, TAG, http.StatusNotFound, missingImage)
	badReq := httputil.NewJSONAssertable(writer, TAG, http.StatusBadRequest, clientError)
	ctype := "image/jpeg"
	var buf bytes.Buffer
	imgID := httputil.ExtractSegment(req.URL.Path, 3)
	if imgID == "" || imgID == "undefined" {
		if b, err := ioutil.ReadFile(Repository.DefaultImage); err == nil {
			if n, err := buf.Write(b); n != len(b) || err != nil {
				panic(err)
			}
		} else {
			panic(err)
		}
	} else {
		img := Repository.Locate(imgID)
		notFound.Assert(img != nil, "failed to locate a requested image '%s'", imgID)
		u := userFor(req)
		cam := System.GetCamera(img.Source)
		notFound.Assert(!cam.Private || u.Privileged, "attempt by '%s' to access private '%s'", u.Email, cam.ID)
		mode := httputil.ExtractSegment(req.URL.Path, 2)
		badReq.Assert(mode != "video" || img.HasVideo, "attempt to access video for non-video '%s'", img.Handle, *img)
		if mode == "video" {
			ctype = "video/x-msvideo"
			img.RetrieveVideo(&buf)
		} else {
			img.Retrieve(&buf)
		}
	}
	httputil.Send(writer, http.StatusOK, ctype, buf.Bytes())
}
func ImageHandler ( writer http . ResponseWriter , req * http . Request ) { TAG := " " notFound := httputil . NewJSONAssertable ( writer , TAG , http . StatusNotFound , missingImage ) badReq := httputil . NewJSONAssertable ( writer , TAG , http . StatusBadRequest , clientError ) ctype := " " var buf bytes . Buffer imgID := httputil . ExtractSegment ( req . URL . Path , 3 ) if imgID == " " || imgID == " " { if b , err := ioutil . ReadFile ( Repository . DefaultImage ) ; err == nil { if n , err := buf . Write ( b ) ; n != len ( b ) || err != nil { panic ( err ) } } else { panic ( err ) } } else { img := Repository . Locate ( imgID ) notFound . Assert ( img != nil , " " , imgID ) u := userFor ( req ) cam := System . GetCamera ( img . Source ) notFound . Assert ( ! cam . Private || u . Privileged , " " , u . Email , cam . ID ) mode := httputil . ExtractSegment ( req . URL . Path , 2 ) badReq . Assert ( mode != " " || img . HasVideo , " " , img . Handle , * img ) if mode == " " { ctype = " " img . RetrieveVideo ( & buf ) } else { img . Retrieve ( & buf ) } } httputil . Send ( writer , http . StatusOK , ctype , buf . Bytes ( ) ) }
ImageHandler handles /client/image and /client/video
ImageHandler handles / client / image and / client / video