func loginHandler(providerName string) http.HandlerFunc {
provider, err := gomniauth.Provider(providerName)
if err != nil {
panic(err)
}
return func(w http.ResponseWriter, r *http.Request) {
state := gomniauth.NewState("after", "success")
// This code borrowed from goweb example and not fixed.
// if you want to request additional scopes from the provider,
// pass them as login?scope=scope1,scope2
//options := objx.MSI("scope", ctx.QueryValue("scope"))
authUrl, err := provider.GetBeginAuthURL(state, nil)
if err != nil {
http.Error(w, err.Error(), http.StatusInternalServerError)
return
}
// redirect
http.Redirect(w, r, authUrl, http.StatusFound)
}
}
func callbackHandler(providerName string) http.HandlerFunc {
provider, err := gomniauth.Provider(providerName)
if err != nil {
panic(err)
}
return func(w http.ResponseWriter, r *http.Request) {
omap, err := objx.FromURLQuery(r.URL.RawQuery)
if err != nil {
http.Error(w, err.Error(), http.StatusInternalServerError)
return
}
creds, err := provider.CompleteAuth(omap)
if err != nil {
http.Error(w, err.Error(), http.StatusInternalServerError)
return
}
/*
// This code borrowed from goweb example and not fixed.
// get the state
state, err := gomniauth.StateFromParam(ctx.QueryValue("state"))
if err != nil {
http.Error(w, err.Error(), http.StatusInternalServerError)
return
}
// redirect to the 'after' URL
afterUrl := state.GetStringOrDefault("after", "error?e=No after parameter was set in the state")
*/
// load the user
user, userErr := provider.GetUser(creds)
if userErr != nil {
http.Error(w, err.Error(), http.StatusInternalServerError)
return
}
data := fmt.Sprintf("%#v", user)
io.WriteString(w, data)
// redirect
//return goweb.Respond.WithRedirect(ctx, afterUrl)
}
}