portainer/api/http/handler/endpointproxy/proxy_storidge.go

57 lines
2.1 KiB
Go

package endpointproxy
import (
"strconv"
httperror "github.com/portainer/libhttp/error"
"github.com/portainer/libhttp/request"
"github.com/portainer/portainer"
"net/http"
)
func (handler *Handler) proxyRequestsToStoridgeAPI(w http.ResponseWriter, r *http.Request) *httperror.HandlerError {
endpointID, err := request.RetrieveNumericRouteVariableValue(r, "id")
if err != nil {
return &httperror.HandlerError{http.StatusBadRequest, "Invalid endpoint identifier route variable", err}
}
endpoint, err := handler.EndpointService.Endpoint(portainer.EndpointID(endpointID))
if err == portainer.ErrObjectNotFound {
return &httperror.HandlerError{http.StatusNotFound, "Unable to find an endpoint with the specified identifier inside the database", err}
} else if err != nil {
return &httperror.HandlerError{http.StatusInternalServerError, "Unable to find an endpoint with the specified identifier inside the database", err}
}
err = handler.requestBouncer.EndpointAccess(r, endpoint)
if err != nil {
return &httperror.HandlerError{http.StatusForbidden, "Permission denied to access endpoint", portainer.ErrEndpointAccessDenied}
}
var storidgeExtension *portainer.EndpointExtension
for _, extension := range endpoint.Extensions {
if extension.Type == portainer.StoridgeEndpointExtension {
storidgeExtension = &extension
}
}
if storidgeExtension == nil {
return &httperror.HandlerError{http.StatusServiceUnavailable, "Storidge extension not supported on this endpoint", portainer.ErrEndpointExtensionNotSupported}
}
proxyExtensionKey := string(endpoint.ID) + "_" + string(portainer.StoridgeEndpointExtension)
var proxy http.Handler
proxy = handler.ProxyManager.GetExtensionProxy(proxyExtensionKey)
if proxy == nil {
proxy, err = handler.ProxyManager.CreateAndRegisterExtensionProxy(proxyExtensionKey, storidgeExtension.URL)
if err != nil {
return &httperror.HandlerError{http.StatusInternalServerError, "Unable to create extension proxy", err}
}
}
id := strconv.Itoa(endpointID)
http.StripPrefix("/"+id+"/extensions/storidge", proxy).ServeHTTP(w, r)
return nil
}