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order.go
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order.go
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package api
import (
"crypto/x509"
"encoding/base64"
"encoding/json"
"net/http"
"time"
"github.com/go-chi/chi"
"github.com/pkg/errors"
"github.com/smallstep/certificates/acme"
"github.com/smallstep/certificates/api"
)
// NewOrderRequest represents the body for a NewOrder request.
type NewOrderRequest struct {
Identifiers []acme.Identifier `json:"identifiers"`
NotBefore time.Time `json:"notBefore,omitempty"`
NotAfter time.Time `json:"notAfter,omitempty"`
}
// Validate validates a new-order request body.
func (n *NewOrderRequest) Validate() error {
if len(n.Identifiers) == 0 {
return acme.MalformedErr(errors.Errorf("identifiers list cannot be empty"))
}
for _, id := range n.Identifiers {
if id.Type != "dns" {
return acme.MalformedErr(errors.Errorf("identifier type unsupported: %s", id.Type))
}
}
return nil
}
// FinalizeRequest captures the body for a Finalize order request.
type FinalizeRequest struct {
CSR string `json:"csr"`
csr *x509.CertificateRequest
}
// Validate validates a finalize request body.
func (f *FinalizeRequest) Validate() error {
var err error
csrBytes, err := base64.RawURLEncoding.DecodeString(f.CSR)
if err != nil {
return acme.MalformedErr(errors.Wrap(err, "error base64url decoding csr"))
}
f.csr, err = x509.ParseCertificateRequest(csrBytes)
if err != nil {
return acme.MalformedErr(errors.Wrap(err, "unable to parse csr"))
}
if err = f.csr.CheckSignature(); err != nil {
return acme.MalformedErr(errors.Wrap(err, "csr failed signature check"))
}
return nil
}
// NewOrder ACME api for creating a new order.
func (h *Handler) NewOrder(w http.ResponseWriter, r *http.Request) {
ctx := r.Context()
acc, err := acme.AccountFromContext(ctx)
if err != nil {
api.WriteError(w, err)
return
}
payload, err := payloadFromContext(ctx)
if err != nil {
api.WriteError(w, err)
return
}
var nor NewOrderRequest
if err := json.Unmarshal(payload.value, &nor); err != nil {
api.WriteError(w, acme.MalformedErr(errors.Wrap(err,
"failed to unmarshal new-order request payload")))
return
}
if err := nor.Validate(); err != nil {
api.WriteError(w, err)
return
}
o, err := h.Auth.NewOrder(ctx, acme.OrderOptions{
AccountID: acc.GetID(),
Identifiers: nor.Identifiers,
NotBefore: nor.NotBefore,
NotAfter: nor.NotAfter,
})
if err != nil {
api.WriteError(w, err)
return
}
w.Header().Set("Location", h.Auth.GetLink(ctx, acme.OrderLink, true, o.GetID()))
api.JSONStatus(w, o, http.StatusCreated)
}
// GetOrder ACME api for retrieving an order.
func (h *Handler) GetOrder(w http.ResponseWriter, r *http.Request) {
ctx := r.Context()
acc, err := acme.AccountFromContext(ctx)
if err != nil {
api.WriteError(w, err)
return
}
oid := chi.URLParam(r, "ordID")
o, err := h.Auth.GetOrder(ctx, acc.GetID(), oid)
if err != nil {
api.WriteError(w, err)
return
}
w.Header().Set("Location", h.Auth.GetLink(ctx, acme.OrderLink, true, o.GetID()))
api.JSON(w, o)
}
// FinalizeOrder attemptst to finalize an order and create a certificate.
func (h *Handler) FinalizeOrder(w http.ResponseWriter, r *http.Request) {
ctx := r.Context()
acc, err := acme.AccountFromContext(ctx)
if err != nil {
api.WriteError(w, err)
return
}
payload, err := payloadFromContext(ctx)
if err != nil {
api.WriteError(w, err)
return
}
var fr FinalizeRequest
if err := json.Unmarshal(payload.value, &fr); err != nil {
api.WriteError(w, acme.MalformedErr(errors.Wrap(err, "failed to unmarshal finalize-order request payload")))
return
}
if err := fr.Validate(); err != nil {
api.WriteError(w, err)
return
}
oid := chi.URLParam(r, "ordID")
o, err := h.Auth.FinalizeOrder(ctx, acc.GetID(), oid, fr.csr)
if err != nil {
api.WriteError(w, err)
return
}
w.Header().Set("Location", h.Auth.GetLink(ctx, acme.OrderLink, true, o.ID))
api.JSON(w, o)
}