mirror of https://github.com/portainer/portainer
112 lines
3.1 KiB
Go
112 lines
3.1 KiB
Go
package factory
|
|
|
|
import (
|
|
"fmt"
|
|
"io"
|
|
"log"
|
|
"net/http"
|
|
"net/url"
|
|
"strings"
|
|
|
|
httperror "github.com/portainer/libhttp/error"
|
|
portainer "github.com/portainer/portainer/api"
|
|
"github.com/portainer/portainer/api/crypto"
|
|
"github.com/portainer/portainer/api/http/proxy/factory/docker"
|
|
)
|
|
|
|
func (factory *ProxyFactory) newDockerProxy(endpoint *portainer.Endpoint) (http.Handler, error) {
|
|
if strings.HasPrefix(endpoint.URL, "unix://") || strings.HasPrefix(endpoint.URL, "npipe://") {
|
|
return factory.newDockerLocalProxy(endpoint)
|
|
}
|
|
|
|
return factory.newDockerHTTPProxy(endpoint)
|
|
}
|
|
|
|
func (factory *ProxyFactory) newDockerLocalProxy(endpoint *portainer.Endpoint) (http.Handler, error) {
|
|
endpointURL, err := url.Parse(endpoint.URL)
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
|
|
return factory.newOSBasedLocalProxy(endpointURL.Path, endpoint)
|
|
}
|
|
|
|
func (factory *ProxyFactory) newDockerHTTPProxy(endpoint *portainer.Endpoint) (http.Handler, error) {
|
|
if endpoint.Type == portainer.EdgeAgentEnvironment {
|
|
tunnel := factory.reverseTunnelService.GetTunnelDetails(endpoint.ID)
|
|
endpoint.URL = fmt.Sprintf("http://127.0.0.1:%d", tunnel.Port)
|
|
}
|
|
|
|
endpointURL, err := url.Parse(endpoint.URL)
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
|
|
endpointURL.Scheme = "http"
|
|
httpTransport := &http.Transport{}
|
|
|
|
if endpoint.TLSConfig.TLS || endpoint.TLSConfig.TLSSkipVerify {
|
|
config, err := crypto.CreateTLSConfigurationFromDisk(endpoint.TLSConfig.TLSCACertPath, endpoint.TLSConfig.TLSCertPath, endpoint.TLSConfig.TLSKeyPath, endpoint.TLSConfig.TLSSkipVerify)
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
|
|
httpTransport.TLSClientConfig = config
|
|
endpointURL.Scheme = "https"
|
|
}
|
|
|
|
transportParameters := &docker.TransportParameters{
|
|
Endpoint: endpoint,
|
|
DataStore: factory.dataStore,
|
|
ReverseTunnelService: factory.reverseTunnelService,
|
|
SignatureService: factory.signatureService,
|
|
DockerClientFactory: factory.dockerClientFactory,
|
|
}
|
|
|
|
dockerTransport, err := docker.NewTransport(transportParameters, httpTransport)
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
|
|
proxy := newSingleHostReverseProxyWithHostHeader(endpointURL)
|
|
proxy.Transport = dockerTransport
|
|
return proxy, nil
|
|
}
|
|
|
|
type dockerLocalProxy struct {
|
|
transport *docker.Transport
|
|
}
|
|
|
|
// ServeHTTP is the http.Handler interface implementation
|
|
// for a local (Unix socket or Windows named pipe) Docker proxy.
|
|
func (proxy *dockerLocalProxy) ServeHTTP(w http.ResponseWriter, r *http.Request) {
|
|
// Force URL/domain to http/unixsocket to be able to
|
|
// use http.transport RoundTrip to do the requests via the socket
|
|
r.URL.Scheme = "http"
|
|
r.URL.Host = "unixsocket"
|
|
|
|
res, err := proxy.transport.ProxyDockerRequest(r)
|
|
if err != nil {
|
|
code := http.StatusInternalServerError
|
|
if res != nil && res.StatusCode != 0 {
|
|
code = res.StatusCode
|
|
}
|
|
|
|
httperror.WriteError(w, code, "Unable to proxy the request via the Docker socket", err)
|
|
return
|
|
}
|
|
defer res.Body.Close()
|
|
|
|
for k, vv := range res.Header {
|
|
for _, v := range vv {
|
|
w.Header().Add(k, v)
|
|
}
|
|
}
|
|
|
|
w.WriteHeader(res.StatusCode)
|
|
|
|
if _, err := io.Copy(w, res.Body); err != nil {
|
|
log.Printf("proxy error: %s\n", err)
|
|
}
|
|
}
|