portainer/api/http/proxy/factory.go

88 lines
2.7 KiB
Go

package proxy
import (
"net"
"net/http"
"net/http/httputil"
"net/url"
"github.com/portainer/portainer"
"github.com/portainer/portainer/crypto"
)
// AzureAPIBaseURL is the URL where Azure API requests will be proxied.
const AzureAPIBaseURL = "https://management.azure.com"
// proxyFactory is a factory to create reverse proxies to Docker endpoints
type proxyFactory struct {
ResourceControlService portainer.ResourceControlService
TeamMembershipService portainer.TeamMembershipService
SettingsService portainer.SettingsService
RegistryService portainer.RegistryService
DockerHubService portainer.DockerHubService
SignatureService portainer.DigitalSignatureService
}
func (factory *proxyFactory) newHTTPProxy(u *url.URL) http.Handler {
u.Scheme = "http"
return httputil.NewSingleHostReverseProxy(u)
}
func newAzureProxy(credentials *portainer.AzureCredentials) (http.Handler, error) {
url, err := url.Parse(AzureAPIBaseURL)
if err != nil {
return nil, err
}
proxy := newSingleHostReverseProxyWithHostHeader(url)
proxy.Transport = NewAzureTransport(credentials)
return proxy, nil
}
func (factory *proxyFactory) newDockerHTTPSProxy(u *url.URL, tlsConfig *portainer.TLSConfiguration, enableSignature bool) (http.Handler, error) {
u.Scheme = "https"
proxy := factory.createDockerReverseProxy(u, enableSignature)
config, err := crypto.CreateTLSConfigurationFromDisk(tlsConfig.TLSCACertPath, tlsConfig.TLSCertPath, tlsConfig.TLSKeyPath, tlsConfig.TLSSkipVerify)
if err != nil {
return nil, err
}
proxy.Transport.(*proxyTransport).dockerTransport.TLSClientConfig = config
return proxy, nil
}
func (factory *proxyFactory) newDockerHTTPProxy(u *url.URL, enableSignature bool) http.Handler {
u.Scheme = "http"
return factory.createDockerReverseProxy(u, enableSignature)
}
func (factory *proxyFactory) createDockerReverseProxy(u *url.URL, enableSignature bool) *httputil.ReverseProxy {
proxy := newSingleHostReverseProxyWithHostHeader(u)
transport := &proxyTransport{
enableSignature: enableSignature,
ResourceControlService: factory.ResourceControlService,
TeamMembershipService: factory.TeamMembershipService,
SettingsService: factory.SettingsService,
RegistryService: factory.RegistryService,
DockerHubService: factory.DockerHubService,
dockerTransport: &http.Transport{},
}
if enableSignature {
transport.SignatureService = factory.SignatureService
}
proxy.Transport = transport
return proxy
}
func newSocketTransport(socketPath string) *http.Transport {
return &http.Transport{
Dial: func(proto, addr string) (conn net.Conn, err error) {
return net.Dial("unix", socketPath)
},
}
}