Files
backroad/api/http/proxy/factory/kubernetes/edge_transport.go

68 lines
2.0 KiB
Go

package kubernetes
import (
"net/http"
"strings"
portainer "github.com/portainer/portainer/api"
"github.com/portainer/portainer/api/dataservices"
"github.com/portainer/portainer/api/kubernetes/cli"
)
type edgeTransport struct {
*baseTransport
signatureService portainer.DigitalSignatureService
reverseTunnelService portainer.ReverseTunnelService
}
// NewAgentTransport returns a new transport that can be used to send signed requests to a Portainer Edge agent
func NewEdgeTransport(dataStore dataservices.DataStore, signatureService portainer.DigitalSignatureService, reverseTunnelService portainer.ReverseTunnelService, endpoint *portainer.Endpoint, tokenManager *tokenManager, k8sClientFactory *cli.ClientFactory, jwtService portainer.JWTService) *edgeTransport {
transport := &edgeTransport{
reverseTunnelService: reverseTunnelService,
signatureService: signatureService,
baseTransport: newBaseTransport(
&http.Transport{},
tokenManager,
endpoint,
k8sClientFactory,
dataStore,
jwtService,
),
}
return transport
}
// RoundTrip is the implementation of the the http.RoundTripper interface
func (transport *edgeTransport) RoundTrip(request *http.Request) (*http.Response, error) {
token, err := transport.getRoundTripToken(request, transport.tokenManager)
if err != nil {
return nil, err
}
request.Header.Set(portainer.PortainerAgentKubernetesSATokenHeader, token)
if strings.HasPrefix(request.URL.Path, "/v2") {
err := decorateAgentRequest(request, transport.dataStore)
if err != nil {
return nil, err
}
}
signature, err := transport.signatureService.CreateSignature(portainer.PortainerAgentSignatureMessage)
if err != nil {
return nil, err
}
request.Header.Set(portainer.PortainerAgentPublicKeyHeader, transport.signatureService.EncodedPublicKey())
request.Header.Set(portainer.PortainerAgentSignatureHeader, signature)
response, err := transport.baseTransport.RoundTrip(request)
if err == nil {
transport.reverseTunnelService.UpdateLastActivity(transport.endpoint.ID)
}
return response, err
}