smallstep-certificates/api/renew.go
Panagiotis Siatras 00634fb648
api/render, api/log: initial implementation of the packages (#860)
* api/render: initial implementation of the package

* acme/api: refactored to support api/render

* authority/admin: refactored to support api/render

* ca: refactored to support api/render

* api: refactored to support api/render

* api/render: implemented Error

* api: refactored to support api/render.Error

* acme/api: refactored to support api/render.Error

* authority/admin: refactored to support api/render.Error

* ca: refactored to support api/render.Error

* ca: fixed broken tests

* api/render, api/log: moved error logging to this package

* acme: refactored Error so that it implements render.RenderableError

* authority/admin: refactored Error so that it implements render.RenderableError

* api/render: implemented RenderableError

* api/render: added test coverage for Error

* api/render: implemented statusCodeFromError

* api: refactored RootsPEM to work with render.Error

* acme, authority/admin: fixed pointer receiver name for consistency

* api/render, errs: moved StatusCoder & StackTracer to the render package
2022-03-30 11:22:22 +03:00

57 lines
1.4 KiB
Go

package api
import (
"crypto/x509"
"net/http"
"strings"
"github.com/smallstep/certificates/api/render"
"github.com/smallstep/certificates/errs"
)
const (
authorizationHeader = "Authorization"
bearerScheme = "Bearer"
)
// Renew uses the information of certificate in the TLS connection to create a
// new one.
func (h *caHandler) Renew(w http.ResponseWriter, r *http.Request) {
cert, err := h.getPeerCertificate(r)
if err != nil {
render.Error(w, err)
return
}
certChain, err := h.Authority.Renew(cert)
if err != nil {
render.Error(w, errs.Wrap(http.StatusInternalServerError, err, "cahandler.Renew"))
return
}
certChainPEM := certChainToPEM(certChain)
var caPEM Certificate
if len(certChainPEM) > 1 {
caPEM = certChainPEM[1]
}
LogCertificate(w, certChain[0])
render.JSONStatus(w, &SignResponse{
ServerPEM: certChainPEM[0],
CaPEM: caPEM,
CertChainPEM: certChainPEM,
TLSOptions: h.Authority.GetTLSOptions(),
}, http.StatusCreated)
}
func (h *caHandler) getPeerCertificate(r *http.Request) (*x509.Certificate, error) {
if r.TLS != nil && len(r.TLS.PeerCertificates) > 0 {
return r.TLS.PeerCertificates[0], nil
}
if s := r.Header.Get(authorizationHeader); s != "" {
if parts := strings.SplitN(s, bearerScheme+" ", 2); len(parts) == 2 {
return h.Authority.AuthorizeRenewToken(r.Context(), parts[1])
}
}
return nil, errs.BadRequest("missing client certificate")
}