115 lines
4.2 KiB
Go
115 lines
4.2 KiB
Go
package api
|
|
|
|
import (
|
|
"context"
|
|
"fmt"
|
|
"net/http"
|
|
|
|
"github.com/go-chi/chi"
|
|
"github.com/smallstep/certificates/api"
|
|
"github.com/smallstep/certificates/authority/admin"
|
|
"github.com/smallstep/certificates/authority/provisioner"
|
|
"go.step.sm/linkedca"
|
|
)
|
|
|
|
const (
|
|
// provisionerContextKey provisioner key
|
|
provisionerContextKey = admin.ContextKey("provisioner")
|
|
)
|
|
|
|
// CreateExternalAccountKeyRequest is the type for POST /admin/acme/eab requests
|
|
type CreateExternalAccountKeyRequest struct {
|
|
Reference string `json:"reference"`
|
|
}
|
|
|
|
// Validate validates a new ACME EAB Key request body.
|
|
func (r *CreateExternalAccountKeyRequest) Validate() error {
|
|
if len(r.Reference) > 256 { // an arbitrary, but sensible (IMO), limit
|
|
return fmt.Errorf("reference length %d exceeds the maximum (256)", len(r.Reference))
|
|
}
|
|
return nil
|
|
}
|
|
|
|
// GetExternalAccountKeysResponse is the type for GET /admin/acme/eab responses
|
|
type GetExternalAccountKeysResponse struct {
|
|
EAKs []*linkedca.EABKey `json:"eaks"`
|
|
NextCursor string `json:"nextCursor"`
|
|
}
|
|
|
|
// requireEABEnabled is a middleware that ensures ACME EAB is enabled
|
|
// before serving requests that act on ACME EAB credentials.
|
|
func (h *Handler) requireEABEnabled(next nextHTTP) nextHTTP {
|
|
return func(w http.ResponseWriter, r *http.Request) {
|
|
ctx := r.Context()
|
|
provName := chi.URLParam(r, "provisionerName")
|
|
eabEnabled, prov, err := h.provisionerHasEABEnabled(ctx, provName)
|
|
if err != nil {
|
|
api.WriteError(w, err)
|
|
return
|
|
}
|
|
if !eabEnabled {
|
|
api.WriteError(w, admin.NewError(admin.ErrorBadRequestType, "ACME EAB not enabled for provisioner %s", prov.GetName()))
|
|
return
|
|
}
|
|
ctx = context.WithValue(ctx, provisionerContextKey, prov)
|
|
next(w, r.WithContext(ctx))
|
|
}
|
|
}
|
|
|
|
// provisionerHasEABEnabled determines if the "requireEAB" setting for an ACME
|
|
// provisioner is set to true and thus has EAB enabled.
|
|
func (h *Handler) provisionerHasEABEnabled(ctx context.Context, provisionerName string) (bool, *linkedca.Provisioner, error) {
|
|
var (
|
|
p provisioner.Interface
|
|
err error
|
|
)
|
|
if p, err = h.auth.LoadProvisionerByName(provisionerName); err != nil {
|
|
return false, nil, admin.WrapErrorISE(err, "error loading provisioner %s", provisionerName)
|
|
}
|
|
|
|
prov, err := h.adminDB.GetProvisioner(ctx, p.GetID())
|
|
if err != nil {
|
|
return false, nil, admin.WrapErrorISE(err, "error getting provisioner with ID: %s", p.GetID())
|
|
}
|
|
|
|
details := prov.GetDetails()
|
|
if details == nil {
|
|
return false, nil, admin.NewErrorISE("error getting details for provisioner with ID: %s", p.GetID())
|
|
}
|
|
|
|
acmeProvisioner := details.GetACME()
|
|
if acmeProvisioner == nil {
|
|
return false, nil, admin.NewErrorISE("error getting ACME details for provisioner with ID: %s", p.GetID())
|
|
}
|
|
|
|
return acmeProvisioner.GetRequireEab(), prov, nil
|
|
}
|
|
|
|
type acmeAdminResponderInterface interface {
|
|
GetExternalAccountKeys(w http.ResponseWriter, r *http.Request)
|
|
CreateExternalAccountKey(w http.ResponseWriter, r *http.Request)
|
|
DeleteExternalAccountKey(w http.ResponseWriter, r *http.Request)
|
|
}
|
|
|
|
// ACMEAdminResponder is responsible for writing ACME admin responses
|
|
type ACMEAdminResponder struct{}
|
|
|
|
// NewACMEAdminResponder returns a new ACMEAdminResponder
|
|
func NewACMEAdminResponder() *ACMEAdminResponder {
|
|
return &ACMEAdminResponder{}
|
|
}
|
|
|
|
// GetExternalAccountKeys writes the response for the EAB keys GET endpoint
|
|
func (h *ACMEAdminResponder) GetExternalAccountKeys(w http.ResponseWriter, r *http.Request) {
|
|
api.WriteError(w, admin.NewError(admin.ErrorNotImplementedType, "this functionality is currently only available in Certificate Manager: https://u.step.sm/cm"))
|
|
}
|
|
|
|
// CreateExternalAccountKey writes the response for the EAB key POST endpoint
|
|
func (h *ACMEAdminResponder) CreateExternalAccountKey(w http.ResponseWriter, r *http.Request) {
|
|
api.WriteError(w, admin.NewError(admin.ErrorNotImplementedType, "this functionality is currently only available in Certificate Manager: https://u.step.sm/cm"))
|
|
}
|
|
|
|
// DeleteExternalAccountKey writes the response for the EAB key DELETE endpoint
|
|
func (h *ACMEAdminResponder) DeleteExternalAccountKey(w http.ResponseWriter, r *http.Request) {
|
|
api.WriteError(w, admin.NewError(admin.ErrorNotImplementedType, "this functionality is currently only available in Certificate Manager: https://u.step.sm/cm"))
|
|
}
|