func (filter *MethodFilter) Execute(hbtt *habitat.Habitat, buff *buffer.Buffer) {
if hbtt.Method != filter.Method {
msg := fmt.Sprintf("This service only supports %s requests.", filter.Method)
buff.StatusCode = http.StatusMethodNotAllowed
buff.Error = errors.New(msg)
}
}
func (filter *JSONFilter) Execute(hbtt *habitat.Habitat, buff *buffer.Buffer) {
var err error
buff.Bytes, err = json.Marshal(buff.Object)
if err != nil {
buff.Set500(errors.Stack(err))
return
}
}
func (filter *GroupFilter) Execute(hbtt *habitat.Habitat, buff *buffer.Buffer) {
if len(filter.Groups) == 0 {
return
}
userKey, err := hbtt.GetUserKey()
if err != nil {
buff.Set500(errors.Stack(err))
}
groupsUser, err := filter.GroupGetter(userKey)
if err != nil {
buff.Set500(errors.Stack(err))
}
if groupsUser == nil {
buff.Error = errors.New("You are not logged in.")
buff.StatusCode = http.StatusUnauthorized
return
}
if len(groupsUser) == 0 {
buff.Error = errors.New("The current user is unauthorized.")
buff.StatusCode = http.StatusForbidden
return
}
// If there is a match between the user's groups and the allowed groups, return.
for _, gAllowed := range filter.Groups {
for _, gUser := range groupsUser {
if gAllowed == gUser {
return
}
}
}
buff.Error = errors.New("The current user is unauthorized.")
buff.StatusCode = http.StatusForbidden
}
func (filter *TemplateFilter) Execute(hbtt *habitat.Habitat, buff *buffer.Buffer) {
log.Println("Template execution by TemplateFilter.")
var (
err error
stuffer *taxidermist.Taxidermist = taxidermist.New()
)
log.Println("PATH:\t", filter.Path)
if filter.Path == "" {
err = stuffer.SetTemplatePathURL(hbtt.Request)
} else {
err = stuffer.SetTemplatePathManual(filter.Path)
}
if err != nil {
buff.Set500(errors.Stack(err))
return
}
{ // Insert user data into the taxidermist.
usr_id, err := hbtt.GetUserKey()
if err != nil {
buff.Set500(errors.Stack(err))
return
}
if usr_id != "" {
usr, err := filter.UserGetter(usr_id)
if err != nil {
buff.Set500(errors.Stack(err))
return
}
stuffer.UserName = usr.GetName()
stuffer.LoggedIn = true
stuffer.UserGroups = usr.GetGroups()
}
}
stuffer.Content = buff.Object
if err = stuffer.Present(buff); err != nil {
buff.Set500(errors.Stack(err))
return
}
}