portainer/api/http/proxy/factory/factory.go

86 lines
2.7 KiB
Go

package factory
import (
"fmt"
"net/http"
"net/http/httputil"
"net/url"
"github.com/portainer/portainer/api"
"github.com/portainer/portainer/api/docker"
)
const azureAPIBaseURL = "https://management.azure.com"
var extensionPorts = map[portainer.ExtensionID]string{
portainer.RegistryManagementExtension: "7001",
portainer.OAuthAuthenticationExtension: "7002",
portainer.RBACExtension: "7003",
}
type (
// ProxyFactory is a factory to create reverse proxies to Docker endpoints and extensions
ProxyFactory struct {
dataStore portainer.DataStore
signatureService portainer.DigitalSignatureService
reverseTunnelService portainer.ReverseTunnelService
dockerClientFactory *docker.ClientFactory
}
)
// NewProxyFactory returns a pointer to a new instance of a ProxyFactory
func NewProxyFactory(dataStore portainer.DataStore, signatureService portainer.DigitalSignatureService, tunnelService portainer.ReverseTunnelService, clientFactory *docker.ClientFactory) *ProxyFactory {
return &ProxyFactory{
dataStore: dataStore,
signatureService: signatureService,
reverseTunnelService: tunnelService,
dockerClientFactory: clientFactory,
}
}
// BuildExtensionURL returns the URL to an extension server
func BuildExtensionURL(extensionID portainer.ExtensionID) string {
return fmt.Sprintf("http://%s:%s", portainer.ExtensionServer, extensionPorts[extensionID])
}
// NewExtensionProxy returns a new HTTP proxy to an extension server
func (factory *ProxyFactory) NewExtensionProxy(extensionID portainer.ExtensionID) (http.Handler, error) {
address := "http://" + portainer.ExtensionServer + ":" + extensionPorts[extensionID]
extensionURL, err := url.Parse(address)
if err != nil {
return nil, err
}
extensionURL.Scheme = "http"
proxy := httputil.NewSingleHostReverseProxy(extensionURL)
return proxy, nil
}
// NewLegacyExtensionProxy returns a new HTTP proxy to a legacy extension server (Storidge)
func (factory *ProxyFactory) NewLegacyExtensionProxy(extensionAPIURL string) (http.Handler, error) {
extensionURL, err := url.Parse(extensionAPIURL)
if err != nil {
return nil, err
}
extensionURL.Scheme = "http"
proxy := httputil.NewSingleHostReverseProxy(extensionURL)
return proxy, nil
}
// NewEndpointProxy returns a new reverse proxy (filesystem based or HTTP) to an endpoint API server
func (factory *ProxyFactory) NewEndpointProxy(endpoint *portainer.Endpoint) (http.Handler, error) {
switch endpoint.Type {
case portainer.AzureEnvironment:
return newAzureProxy(endpoint)
}
return factory.newDockerProxy(endpoint)
}
// NewGitlabProxy returns a new HTTP proxy to a Gitlab API server
func (factory *ProxyFactory) NewGitlabProxy(gitlabAPIUri string) (http.Handler, error) {
return newGitlabProxy(gitlabAPIUri)
}