forked from TrueCloudLab/certificates
98 lines
2.7 KiB
Go
98 lines
2.7 KiB
Go
package api
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import (
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"context"
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"net/http"
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"github.com/smallstep/certificates/authority"
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"github.com/smallstep/certificates/authority/provisioner"
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"github.com/smallstep/certificates/errs"
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"github.com/smallstep/certificates/logging"
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"golang.org/x/crypto/ocsp"
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)
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// SSHRevokeResponse is the response object that returns the health of the server.
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type SSHRevokeResponse struct {
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Status string `json:"status"`
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}
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// SSHRevokeRequest is the request body for a revocation request.
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type SSHRevokeRequest struct {
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Serial string `json:"serial"`
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OTT string `json:"ott"`
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ReasonCode int `json:"reasonCode"`
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Reason string `json:"reason"`
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Passive bool `json:"passive"`
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}
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// Validate checks the fields of the RevokeRequest and returns nil if they are ok
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// or an error if something is wrong.
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func (r *SSHRevokeRequest) Validate() (err error) {
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if r.Serial == "" {
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return errs.BadRequest("missing serial")
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}
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if r.ReasonCode < ocsp.Unspecified || r.ReasonCode > ocsp.AACompromise {
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return errs.BadRequest("reasonCode out of bounds")
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}
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if !r.Passive {
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return errs.NotImplemented("non-passive revocation not implemented")
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}
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if len(r.OTT) == 0 {
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return errs.BadRequest("missing ott")
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}
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return
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}
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// Revoke supports handful of different methods that revoke a Certificate.
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//
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// NOTE: currently only Passive revocation is supported.
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func (h *caHandler) SSHRevoke(w http.ResponseWriter, r *http.Request) {
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var body SSHRevokeRequest
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if err := ReadJSON(r.Body, &body); err != nil {
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WriteError(w, errs.Wrap(http.StatusBadRequest, err, "error reading request body"))
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return
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}
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if err := body.Validate(); err != nil {
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WriteError(w, err)
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return
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}
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opts := &authority.RevokeOptions{
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Serial: body.Serial,
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Reason: body.Reason,
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ReasonCode: body.ReasonCode,
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PassiveOnly: body.Passive,
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}
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ctx := provisioner.NewContextWithMethod(context.Background(), provisioner.SSHRevokeMethod)
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// A token indicates that we are using the api via a provisioner token,
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// otherwise it is assumed that the certificate is revoking itself over mTLS.
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logOtt(w, body.OTT)
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if _, err := h.Authority.Authorize(ctx, body.OTT); err != nil {
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WriteError(w, errs.UnauthorizedErr(err))
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return
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}
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opts.OTT = body.OTT
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if err := h.Authority.Revoke(ctx, opts); err != nil {
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WriteError(w, errs.ForbiddenErr(err))
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return
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}
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logSSHRevoke(w, opts)
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JSON(w, &SSHRevokeResponse{Status: "ok"})
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}
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func logSSHRevoke(w http.ResponseWriter, ri *authority.RevokeOptions) {
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if rl, ok := w.(logging.ResponseLogger); ok {
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rl.WithFields(map[string]interface{}{
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"serial": ri.Serial,
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"reasonCode": ri.ReasonCode,
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"reason": ri.Reason,
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"passiveOnly": ri.PassiveOnly,
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"mTLS": ri.MTLS,
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"ssh": true,
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})
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}
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}
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