forked from TrueCloudLab/certificates
117 lines
3.4 KiB
Go
117 lines
3.4 KiB
Go
package api
|
|
|
|
import (
|
|
"context"
|
|
"net/http"
|
|
|
|
"github.com/smallstep/certificates/authority"
|
|
"github.com/smallstep/certificates/authority/provisioner"
|
|
"github.com/smallstep/certificates/errs"
|
|
"github.com/smallstep/certificates/logging"
|
|
"golang.org/x/crypto/ocsp"
|
|
)
|
|
|
|
// RevokeResponse is the response object that returns the health of the server.
|
|
type RevokeResponse struct {
|
|
Status string `json:"status"`
|
|
}
|
|
|
|
// RevokeRequest is the request body for a revocation request.
|
|
type RevokeRequest struct {
|
|
Serial string `json:"serial"`
|
|
OTT string `json:"ott"`
|
|
ReasonCode int `json:"reasonCode"`
|
|
Reason string `json:"reason"`
|
|
Passive bool `json:"passive"`
|
|
}
|
|
|
|
// Validate checks the fields of the RevokeRequest and returns nil if they are ok
|
|
// or an error if something is wrong.
|
|
func (r *RevokeRequest) Validate() (err error) {
|
|
if r.Serial == "" {
|
|
return errs.BadRequest("missing serial")
|
|
}
|
|
if r.ReasonCode < ocsp.Unspecified || r.ReasonCode > ocsp.AACompromise {
|
|
return errs.BadRequest("reasonCode out of bounds")
|
|
}
|
|
if !r.Passive {
|
|
return errs.NotImplemented("non-passive revocation not implemented")
|
|
}
|
|
|
|
return
|
|
}
|
|
|
|
// Revoke supports handful of different methods that revoke a Certificate.
|
|
//
|
|
// NOTE: currently only Passive revocation is supported.
|
|
//
|
|
// TODO: Add CRL and OCSP support.
|
|
func (h *caHandler) Revoke(w http.ResponseWriter, r *http.Request) {
|
|
var body RevokeRequest
|
|
if err := ReadJSON(r.Body, &body); err != nil {
|
|
WriteError(w, errs.BadRequestErr(err, "error reading request body"))
|
|
return
|
|
}
|
|
|
|
if err := body.Validate(); err != nil {
|
|
WriteError(w, err)
|
|
return
|
|
}
|
|
|
|
opts := &authority.RevokeOptions{
|
|
Serial: body.Serial,
|
|
Reason: body.Reason,
|
|
ReasonCode: body.ReasonCode,
|
|
PassiveOnly: body.Passive,
|
|
}
|
|
|
|
ctx := provisioner.NewContextWithMethod(context.Background(), provisioner.RevokeMethod)
|
|
// A token indicates that we are using the api via a provisioner token,
|
|
// otherwise it is assumed that the certificate is revoking itself over mTLS.
|
|
if len(body.OTT) > 0 {
|
|
logOtt(w, body.OTT)
|
|
if _, err := h.Authority.Authorize(ctx, body.OTT); err != nil {
|
|
WriteError(w, errs.UnauthorizedErr(err))
|
|
return
|
|
}
|
|
opts.OTT = body.OTT
|
|
} else {
|
|
// If no token is present, then the request must be made over mTLS and
|
|
// the client certificate Serial Number must match the serial number
|
|
// being revoked.
|
|
if r.TLS == nil || len(r.TLS.PeerCertificates) == 0 {
|
|
WriteError(w, errs.BadRequest("missing ott or client certificate"))
|
|
return
|
|
}
|
|
opts.Crt = r.TLS.PeerCertificates[0]
|
|
if opts.Crt.SerialNumber.String() != opts.Serial {
|
|
WriteError(w, errs.BadRequest("serial number in client certificate different than body"))
|
|
return
|
|
}
|
|
// TODO: should probably be checking if the certificate was revoked here.
|
|
// Will need to thread that request down to the authority, so will need
|
|
// to add API for that.
|
|
LogCertificate(w, opts.Crt)
|
|
opts.MTLS = true
|
|
}
|
|
|
|
if err := h.Authority.Revoke(ctx, opts); err != nil {
|
|
WriteError(w, errs.ForbiddenErr(err))
|
|
return
|
|
}
|
|
|
|
logRevoke(w, opts)
|
|
JSON(w, &RevokeResponse{Status: "ok"})
|
|
}
|
|
|
|
func logRevoke(w http.ResponseWriter, ri *authority.RevokeOptions) {
|
|
if rl, ok := w.(logging.ResponseLogger); ok {
|
|
rl.WithFields(map[string]interface{}{
|
|
"serial": ri.Serial,
|
|
"reasonCode": ri.ReasonCode,
|
|
"reason": ri.Reason,
|
|
"passiveOnly": ri.PassiveOnly,
|
|
"mTLS": ri.MTLS,
|
|
})
|
|
}
|
|
}
|