portainer/api/http/handler/registries/proxy.go

84 lines
3.1 KiB
Go

package registries
import (
"encoding/json"
"net/http"
"strconv"
httperror "github.com/portainer/libhttp/error"
"github.com/portainer/libhttp/request"
"github.com/portainer/portainer"
)
// request on /api/registries/:id/v2
func (handler *Handler) proxyRequestsToRegistryAPI(w http.ResponseWriter, r *http.Request) *httperror.HandlerError {
registryID, err := request.RetrieveNumericRouteVariableValue(r, "id")
if err != nil {
return &httperror.HandlerError{http.StatusBadRequest, "Invalid registry identifier route variable", err}
}
registry, err := handler.RegistryService.Registry(portainer.RegistryID(registryID))
if err == portainer.ErrObjectNotFound {
return &httperror.HandlerError{http.StatusNotFound, "Unable to find a registry with the specified identifier inside the database", err}
} else if err != nil {
return &httperror.HandlerError{http.StatusInternalServerError, "Unable to find a registry with the specified identifier inside the database", err}
}
err = handler.requestBouncer.RegistryAccess(r, registry)
if err != nil {
return &httperror.HandlerError{http.StatusForbidden, "Permission denied to access registry", portainer.ErrEndpointAccessDenied}
}
extension, err := handler.ExtensionService.Extension(portainer.RegistryManagementExtension)
if err == portainer.ErrObjectNotFound {
return &httperror.HandlerError{http.StatusNotFound, "Registry management extension is not enabled", err}
} else if err != nil {
return &httperror.HandlerError{http.StatusInternalServerError, "Unable to find a extension with the specified identifier inside the database", err}
}
var proxy http.Handler
proxy = handler.ProxyManager.GetExtensionProxy(portainer.RegistryManagementExtension)
if proxy == nil {
proxy, err = handler.ProxyManager.CreateExtensionProxy(portainer.RegistryManagementExtension)
if err != nil {
return &httperror.HandlerError{http.StatusInternalServerError, "Unable to register registry proxy", err}
}
}
managementConfiguration := registry.ManagementConfiguration
if managementConfiguration == nil {
managementConfiguration = createDefaultManagementConfiguration(registry)
}
encodedConfiguration, err := json.Marshal(managementConfiguration)
if err != nil {
return &httperror.HandlerError{http.StatusInternalServerError, "Unable to encode management configuration", err}
}
id := strconv.Itoa(int(registryID))
r.Header.Set("X-RegistryManagement-Key", id)
r.Header.Set("X-RegistryManagement-URI", registry.URL)
r.Header.Set("X-RegistryManagement-Config", string(encodedConfiguration))
r.Header.Set("X-PortainerExtension-License", extension.License.LicenseKey)
http.StripPrefix("/registries/"+id, proxy).ServeHTTP(w, r)
return nil
}
func createDefaultManagementConfiguration(registry *portainer.Registry) *portainer.RegistryManagementConfiguration {
config := &portainer.RegistryManagementConfiguration{
Type: registry.Type,
TLSConfig: portainer.TLSConfiguration{
TLS: false,
},
}
if registry.Authentication {
config.Authentication = true
config.Username = registry.Username
config.Password = registry.Password
}
return config
}