55 lines
1,023 B
Go
55 lines
1,023 B
Go
package op
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import (
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"encoding/json"
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"gopkg.in/square/go-jose.v2"
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"github.com/caos/oidc/pkg/oidc"
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)
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type Signer interface {
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SignIDToken(claims *oidc.IDTokenClaims) (string, error)
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}
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type idTokenSigner struct {
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signer jose.Signer
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storage Storage
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}
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func NewDefaultSigner(storage Storage) (Signer, error) {
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s := &idTokenSigner{
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storage: storage,
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}
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if err := s.initialize(); err != nil {
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return nil, err
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}
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return s, nil
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}
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func (s *idTokenSigner) initialize() error {
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key, err := s.storage.GetSigningKey()
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if err != nil {
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return err
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}
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s.signer, err = jose.NewSigner(key, &jose.SignerOptions{})
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if err != nil {
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return err
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}
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return nil
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}
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func (s *idTokenSigner) SignIDToken(claims *oidc.IDTokenClaims) (string, error) {
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payload, err := json.Marshal(claims)
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if err != nil {
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return "", err
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}
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return s.Sign(payload)
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}
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func (s *idTokenSigner) Sign(payload []byte) (string, error) {
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result, err := s.signer.Sign(payload)
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if err != nil {
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return "", err
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}
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return result.CompactSerialize()
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}
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