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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,80 @@ | ||
| package scep | ||
|
|
||
| import ( | ||
| "crypto/x509" | ||
| "encoding/json" | ||
| "encoding/pem" | ||
| "fmt" | ||
| "time" | ||
|
|
||
| "github.com/smallstep/nosql" | ||
| ) | ||
|
|
||
| type certificate struct { | ||
| ID string `json:"id"` | ||
| Created time.Time `json:"created"` | ||
| Leaf []byte `json:"leaf"` | ||
| Intermediates []byte `json:"intermediates"` | ||
| } | ||
|
|
||
| // CertOptions options with which to create and store a cert object. | ||
| type CertOptions struct { | ||
| Leaf *x509.Certificate | ||
| Intermediates []*x509.Certificate | ||
| } | ||
|
|
||
| func newCert(db nosql.DB, ops CertOptions) (*certificate, error) { | ||
|
|
||
| // TODO: according to the RFC this should be IssuerAndSerialNumber, | ||
| // but sscep seems to use just the serial number for getcert | ||
|
|
||
| id := ops.Leaf.SerialNumber.String() | ||
|
|
||
| leaf := pem.EncodeToMemory(&pem.Block{ | ||
| Type: "CERTIFICATE", | ||
| Bytes: ops.Leaf.Raw, | ||
| }) | ||
| var intermediates []byte | ||
| for _, cert := range ops.Intermediates { | ||
| intermediates = append(intermediates, pem.EncodeToMemory(&pem.Block{ | ||
| Type: "CERTIFICATE", | ||
| Bytes: cert.Raw, | ||
| })...) | ||
| } | ||
|
|
||
| cert := &certificate{ | ||
| ID: id, | ||
| Leaf: leaf, | ||
| Intermediates: intermediates, | ||
| Created: time.Now().UTC(), | ||
| } | ||
| certB, err := json.Marshal(cert) | ||
| if err != nil { | ||
| return nil, fmt.Errorf("%w: error marshaling certificate", err) | ||
| } | ||
|
|
||
| _, swapped, err := db.CmpAndSwap(certTable, []byte(id), nil, certB) | ||
| switch { | ||
| case err != nil: | ||
| return nil, fmt.Errorf("%w: error storing certificate", err) | ||
| case !swapped: | ||
| return nil, fmt.Errorf("error storing certificate; " + | ||
| "value has changed since last read") | ||
| default: | ||
| return cert, nil | ||
| } | ||
| } | ||
|
|
||
| func getCert(db nosql.DB, id string) (*certificate, error) { | ||
| b, err := db.Get(certTable, []byte(id)) | ||
| if nosql.IsErrNotFound(err) { | ||
| return nil, fmt.Errorf("certificate %s not found", id) | ||
| } else if err != nil { | ||
| return nil, fmt.Errorf("error loading certificate") | ||
| } | ||
| var cert certificate | ||
| if err := json.Unmarshal(b, &cert); err != nil { | ||
| return nil, fmt.Errorf("%w: error unmarshaling certificate", err) | ||
| } | ||
| return &cert, nil | ||
| } |