fix: add register org and key pairs (#1275)

internal/v2/command/key_pair.go

@@ -0,0 +1,45 @@
+package command
+
+import (
+	"context"
+	"github.com/caos/zitadel/internal/api/authz"
+	"github.com/caos/zitadel/internal/crypto"
+	"github.com/caos/zitadel/internal/v2/domain"
+	keypair "github.com/caos/zitadel/internal/v2/repository/keypair"
+	"time"
+)
+
+const (
+	oidcUser = "OIDC"
+)
+
+func (r *CommandSide) GenerateSigningKeyPair(ctx context.Context, algorithm string) error {
+	ctx = setOIDCCtx(ctx)
+	privateCrypto, publicCrypto, err := crypto.GenerateEncryptedKeyPair(r.keySize, r.keyAlgorithm)
+	if err != nil {
+		return err
+	}
+	keyID, err := r.idGenerator.Next()
+	if err != nil {
+		return err
+	}
+
+	privateKeyExp := time.Now().UTC().Add(r.privateKeyLifetime)
+	publicKeyExp := time.Now().UTC().Add(r.publicKeyLifetime)
+
+	keyPairWriteModel := NewKeyPairWriteModel(keyID, domain.IAMID)
+	keyAgg := KeyPairAggregateFromWriteModel(&keyPairWriteModel.WriteModel)
+	keyAgg.PushEvents(
+		keypair.NewAddedEvent(
+			ctx,
+			domain.KeyUsageSigning,
+			algorithm,
+			privateCrypto, publicCrypto,
+			privateKeyExp, publicKeyExp),
+	)
+	return r.eventstore.PushAggregate(ctx, keyPairWriteModel, keyAgg)
+}
+
+func setOIDCCtx(ctx context.Context) context.Context {
+	return authz.SetCtxData(ctx, authz.CtxData{UserID: oidcUser, OrgID: domain.IAMID})
+}