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71 lines
1.5 KiB
Go
71 lines
1.5 KiB
Go
package nosql
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import (
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"context"
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"encoding/base64"
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"encoding/json"
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"time"
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"github.com/pkg/errors"
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"github.com/smallstep/certificates/acme"
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nosqlDB "github.com/smallstep/nosql"
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"github.com/smallstep/nosql/database"
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)
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// dbNonce contains nonce metadata used in the ACME protocol.
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type dbNonce struct {
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ID string
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Created time.Time
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}
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// CreateNonce creates, stores, and returns an ACME replay-nonce.
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// Implements the acme.DB interface.
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func (db *DB) CreateNonce(ctx context.Context) (acme.Nonce, error) {
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_id, err := randID()
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if err != nil {
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return "", err
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}
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id := base64.RawURLEncoding.EncodeToString([]byte(_id))
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n := &dbNonce{
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ID: id,
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Created: clock.Now(),
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}
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b, err := json.Marshal(n)
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if err != nil {
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return "", errors.Wrap(err, "error marshaling nonce")
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}
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if err = db.save(ctx, id, b, nil, "nonce", nonceTable); err != nil {
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return "", err
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}
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return acme.Nonce(id), nil
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}
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// DeleteNonce verifies that the nonce is valid (by checking if it exists),
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// and if so, consumes the nonce resource by deleting it from the database.
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func (db *DB) DeleteNonce(nonce string) error {
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err := db.db.Update(&database.Tx{
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Operations: []*database.TxEntry{
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{
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Bucket: nonceTable,
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Key: []byte(nonce),
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Cmd: database.Get,
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},
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{
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Bucket: nonceTable,
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Key: []byte(nonce),
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Cmd: database.Delete,
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},
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},
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})
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switch {
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case nosqlDB.IsErrNotFound(err):
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return errors.New("not found")
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case err != nil:
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return errors.Wrapf(err, "error deleting nonce %s", nonce)
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default:
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return nil
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}
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}
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