Exemplo n.º 1
0
func newPublishFromConfig(ld blobserver.Loader, conf jsonconfig.Obj) (h http.Handler, err os.Error) {
	ph := &PublishHandler{
		bsLoader: ld,
	}
	ph.RootName = conf.RequiredString("rootName")
	ph.JSFiles = conf.OptionalList("js")
	ph.CSSFiles = conf.OptionalList("css")
	blobRoot := conf.RequiredString("blobRoot")
	searchRoot := conf.RequiredString("searchRoot")
	cachePrefix := conf.OptionalString("cache", "")
	bootstrapSignRoot := conf.OptionalString("devBootstrapPermanodeUsing", "")
	if err = conf.Validate(); err != nil {
		return
	}

	if ph.RootName == "" {
		return nil, os.NewError("invalid empty rootName")
	}

	bs, err := ld.GetStorage(blobRoot)
	if err != nil {
		return nil, fmt.Errorf("publish handler's blobRoot of %q error: %v", blobRoot, err)
	}
	ph.Storage = bs

	si, err := ld.GetHandler(searchRoot)
	if err != nil {
		return nil, fmt.Errorf("publish handler's searchRoot of %q error: %v", searchRoot, err)
	}
	var ok bool
	ph.Search, ok = si.(*search.Handler)
	if !ok {
		return nil, fmt.Errorf("publish handler's searchRoot of %q is of type %T, expecting a search handler",
			searchRoot, si)
	}

	if bootstrapSignRoot != "" {
		if t := ld.GetHandlerType(bootstrapSignRoot); t != "jsonsign" {
			return nil, fmt.Errorf("publish handler's devBootstrapPermanodeUsing must be of type jsonsign")
		}
		h, _ := ld.GetHandler(bootstrapSignRoot)
		jsonSign := h.(*JSONSignHandler)
		if err := ph.bootstrapPermanode(jsonSign); err != nil {
			return nil, fmt.Errorf("error bootstrapping permanode: %v", err)
		}
	}

	if cachePrefix != "" {
		bs, err := ld.GetStorage(cachePrefix)
		if err != nil {
			return nil, fmt.Errorf("publish handler's cache of %q error: %v", cachePrefix, err)
		}
		ph.Cache = bs
	}

	ph.staticHandler = http.FileServer(uiFiles)

	return ph, nil
}
Exemplo n.º 2
0
func newUiFromConfig(ld blobserver.Loader, conf jsonconfig.Obj) (h http.Handler, err os.Error) {
	ui := &UIHandler{}
	ui.BlobRoot = conf.OptionalString("blobRoot", "")
	ui.SearchRoot = conf.OptionalString("searchRoot", "")
	ui.JSONSignRoot = conf.OptionalString("jsonSignRoot", "")
	pubRoots := conf.OptionalList("publishRoots")

	cachePrefix := conf.OptionalString("cache", "")
	if err = conf.Validate(); err != nil {
		return
	}

	ui.PublishRoots = make(map[string]*PublishHandler)
	for _, pubRoot := range pubRoots {
		h, err := ld.GetHandler(pubRoot)
		if err != nil {
			return nil, fmt.Errorf("UI handler's publishRoots references invalid %q", pubRoot)
		}
		pubh, ok := h.(*PublishHandler)
		if !ok {
			return
		}
		ui.PublishRoots[pubRoot] = pubh
	}

	checkType := func(key string, htype string) {
		v := conf.OptionalString(key, "")
		if v == "" {
			return
		}
		ct := ld.GetHandlerType(v)
		if ct == "" {
			err = fmt.Errorf("UI handler's %q references non-existant %q", key, v)
		} else if ct != htype {
			err = fmt.Errorf("UI handler's %q references %q of type %q; expected type %q", key, v,
				ct, htype)
		}
	}
	checkType("searchRoot", "search")
	checkType("jsonSignRoot", "jsonsign")
	if err != nil {
		return
	}

	if ui.BlobRoot != "" {
		bs, err := ld.GetStorage(ui.BlobRoot)
		if err != nil {
			return nil, fmt.Errorf("UI handler's blobRoot of %q error: %v", ui.BlobRoot, err)
		}
		ui.Storage = bs
	}

	if cachePrefix != "" {
		bs, err := ld.GetStorage(cachePrefix)
		if err != nil {
			return nil, fmt.Errorf("UI handler's cache of %q error: %v", cachePrefix, err)
		}
		ui.Cache = bs
	}

	if ui.SearchRoot != "" {
		h, _ := ld.GetHandler(ui.SearchRoot)
		ui.Search = h.(*search.Handler)
	}

	ui.staticHandler = http.FileServer(uiFiles)

	return ui, nil
}