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47 lines
1.1 KiB
Go
47 lines
1.1 KiB
Go
package api
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import (
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"encoding/pem"
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"net/http"
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"time"
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"github.com/smallstep/certificates/api/render"
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"github.com/smallstep/certificates/errs"
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)
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// CRL is an HTTP handler that returns the current CRL in DER or PEM format
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func CRL(w http.ResponseWriter, r *http.Request) {
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crlInfo, err := mustAuthority(r.Context()).GetCertificateRevocationList()
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if err != nil {
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render.Error(w, err)
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return
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}
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if crlInfo == nil {
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render.Error(w, errs.New(http.StatusNotFound, "no CRL available"))
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return
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}
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expires := crlInfo.ExpiresAt
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if expires.IsZero() {
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expires = time.Now()
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}
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w.Header().Add("Expires", expires.Format(time.RFC1123))
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_, formatAsPEM := r.URL.Query()["pem"]
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if formatAsPEM {
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w.Header().Add("Content-Type", "application/x-pem-file")
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w.Header().Add("Content-Disposition", "attachment; filename=\"crl.pem\"")
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_ = pem.Encode(w, &pem.Block{
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Type: "X509 CRL",
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Bytes: crlInfo.Data,
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})
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} else {
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w.Header().Add("Content-Type", "application/pkix-crl")
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w.Header().Add("Content-Disposition", "attachment; filename=\"crl.der\"")
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w.Write(crlInfo.Data)
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}
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}
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