portainer/api/http/handler/templates/handler.go

57 lines
2.0 KiB
Go

package templates
import (
"net/http"
"github.com/gorilla/mux"
httperror "github.com/portainer/libhttp/error"
"github.com/portainer/portainer/api"
"github.com/portainer/portainer/api/http/security"
)
const (
errTemplateManagementDisabled = portainer.Error("Template management is disabled")
)
// Handler represents an HTTP API handler for managing templates.
type Handler struct {
*mux.Router
TemplateService portainer.TemplateService
SettingsService portainer.SettingsService
}
// NewHandler returns a new instance of Handler.
func NewHandler(bouncer *security.RequestBouncer) *Handler {
h := &Handler{
Router: mux.NewRouter(),
}
h.Handle("/templates",
bouncer.RestrictedAccess(httperror.LoggerHandler(h.templateList))).Methods(http.MethodGet)
h.Handle("/templates",
bouncer.AdminAccess(h.templateManagementCheck(httperror.LoggerHandler(h.templateCreate)))).Methods(http.MethodPost)
h.Handle("/templates/{id}",
bouncer.RestrictedAccess(h.templateManagementCheck(httperror.LoggerHandler(h.templateInspect)))).Methods(http.MethodGet)
h.Handle("/templates/{id}",
bouncer.AdminAccess(h.templateManagementCheck(httperror.LoggerHandler(h.templateUpdate)))).Methods(http.MethodPut)
h.Handle("/templates/{id}",
bouncer.AdminAccess(h.templateManagementCheck(httperror.LoggerHandler(h.templateDelete)))).Methods(http.MethodDelete)
return h
}
func (handler *Handler) templateManagementCheck(next http.Handler) http.Handler {
return httperror.LoggerHandler(func(rw http.ResponseWriter, r *http.Request) *httperror.HandlerError {
settings, err := handler.SettingsService.Settings()
if err != nil {
return &httperror.HandlerError{http.StatusInternalServerError, "Unable to retrieve settings from the database", err}
}
if settings.TemplatesURL != "" {
return &httperror.HandlerError{http.StatusServiceUnavailable, "Portainer is configured to use external templates, template management is disabled", errTemplateManagementDisabled}
}
next.ServeHTTP(rw, r)
return nil
})
}