portainer/api/http/handler/extensions/storidge.go

98 lines
2.9 KiB
Go

package extensions
import (
"strconv"
"github.com/portainer/portainer"
httperror "github.com/portainer/portainer/http/error"
"github.com/portainer/portainer/http/proxy"
"github.com/portainer/portainer/http/security"
"log"
"net/http"
"os"
"github.com/gorilla/mux"
)
// StoridgeHandler represents an HTTP API handler for proxying requests to the Docker API.
type StoridgeHandler struct {
*mux.Router
Logger *log.Logger
EndpointService portainer.EndpointService
TeamMembershipService portainer.TeamMembershipService
ProxyManager *proxy.Manager
}
// NewStoridgeHandler returns a new instance of StoridgeHandler.
func NewStoridgeHandler(bouncer *security.RequestBouncer) *StoridgeHandler {
h := &StoridgeHandler{
Router: mux.NewRouter(),
Logger: log.New(os.Stderr, "", log.LstdFlags),
}
h.PathPrefix("/{id}/extensions/storidge").Handler(
bouncer.AuthenticatedAccess(http.HandlerFunc(h.proxyRequestsToStoridgeAPI)))
return h
}
func (handler *StoridgeHandler) proxyRequestsToStoridgeAPI(w http.ResponseWriter, r *http.Request) {
vars := mux.Vars(r)
id := vars["id"]
parsedID, err := strconv.Atoi(id)
if err != nil {
httperror.WriteErrorResponse(w, err, http.StatusBadRequest, handler.Logger)
return
}
endpointID := portainer.EndpointID(parsedID)
endpoint, err := handler.EndpointService.Endpoint(endpointID)
if err != nil {
httperror.WriteErrorResponse(w, err, http.StatusInternalServerError, handler.Logger)
return
}
tokenData, err := security.RetrieveTokenData(r)
if err != nil {
httperror.WriteErrorResponse(w, err, http.StatusInternalServerError, handler.Logger)
return
}
memberships, err := handler.TeamMembershipService.TeamMembershipsByUserID(tokenData.ID)
if err != nil {
httperror.WriteErrorResponse(w, err, http.StatusInternalServerError, handler.Logger)
return
}
if tokenData.Role != portainer.AdministratorRole && !security.AuthorizedEndpointAccess(endpoint, tokenData.ID, memberships) {
httperror.WriteErrorResponse(w, portainer.ErrEndpointAccessDenied, http.StatusForbidden, handler.Logger)
return
}
var storidgeExtension *portainer.EndpointExtension
for _, extension := range endpoint.Extensions {
if extension.Type == portainer.StoridgeEndpointExtension {
storidgeExtension = &extension
}
}
if storidgeExtension == nil {
httperror.WriteErrorResponse(w, portainer.ErrEndpointExtensionNotSupported, http.StatusInternalServerError, handler.Logger)
return
}
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 {
httperror.WriteErrorResponse(w, err, http.StatusInternalServerError, handler.Logger)
return
}
}
http.StripPrefix("/"+id+"/extensions/storidge", proxy).ServeHTTP(w, r)
}