func newHandlerFromConfig(ld blobserver.Loader, conf jsonconfig.Obj) (http.Handler, os.Error) {
indexPrefix := conf.RequiredString("index") // TODO: add optional help tips here?
ownerBlobStr := conf.RequiredString("owner")
if err := conf.Validate(); err != nil {
return nil, err
}
indexHandler, err := ld.GetHandler(indexPrefix)
if err != nil {
return nil, fmt.Errorf("search config references unknown handler %q", indexPrefix)
}
indexer, ok := indexHandler.(Index)
if !ok {
return nil, fmt.Errorf("search config references invalid indexer %q (actually a %T)", indexPrefix, indexHandler)
}
ownerBlobRef := blobref.Parse(ownerBlobStr)
if ownerBlobRef == nil {
return nil, fmt.Errorf("search 'owner' has malformed blobref %q; expecting e.g. sha1-xxxxxxxxxxxx",
ownerBlobStr)
}
return &Handler{
index: indexer,
owner: ownerBlobRef,
}, nil
}
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
}
func newPublishFromConfig(ld blobserver.Loader, conf jsonconfig.Obj) (h http.Handler, err os.Error) {
pub := &PublishHandler{}
pub.RootName = conf.RequiredString("rootName")
blobRoot := conf.RequiredString("blobRoot")
searchRoot := conf.RequiredString("searchRoot")
cachePrefix := conf.OptionalString("cache", "")
if err = conf.Validate(); err != nil {
return
}
if pub.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)
}
pub.Storage = bs
si, err := ld.GetHandler(searchRoot)
if err != nil {
return nil, fmt.Errorf("publish handler's searchRoot of %q error: %v", searchRoot, err)
}
pub.Search = si.(*search.Handler)
if cachePrefix != "" {
bs, err := ld.GetStorage(cachePrefix)
if err != nil {
return nil, fmt.Errorf("publish handler's cache of %q error: %v", cachePrefix, err)
}
pub.Cache = bs
}
return pub, nil
}
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
}