feat: token introspection, api clients and auth method private_key_jwt (#1276)

* introspect

* testingapplication key

* date

* client keys

* fix client keys

* fix client keys

* access tokens only for users

* AuthMethodPrivateKeyJWT

* client keys

* set introspection info correctly

* managae apis

* update oidc pkg

* cleanup

* merge msater

* set current sequence in migration

* set current sequence in migration

* set current sequence in migration

* Apply suggestions from code review

Co-authored-by: Fabi <38692350+fgerschwiler@users.noreply.github.com>

* DeleteAuthNKeysByObjectID

* ensure authn keys uptodate

* update oidc version

* merge master

* merge master

Co-authored-by: Fabi <38692350+fgerschwiler@users.noreply.github.com>

internal/user/repository/eventsourcing/eventstore.go

@@ -20,6 +20,7 @@ import (
 	es_sdk "github.com/caos/zitadel/internal/eventstore/sdk"
 	iam_model "github.com/caos/zitadel/internal/iam/model"
 	"github.com/caos/zitadel/internal/id"
+	key_model "github.com/caos/zitadel/internal/key/model"
 	global_model "github.com/caos/zitadel/internal/model"
 	"github.com/caos/zitadel/internal/telemetry/tracing"
 	usr_model "github.com/caos/zitadel/internal/user/model"
@@ -27,11 +28,6 @@ import (
 	webauthn_helper "github.com/caos/zitadel/internal/webauthn"
 )
 
-const (
-	yearLayout            = "2006-01-02"
-	defaultExpirationDate = "9999-01-01"
-)
-
 type UserEventstore struct {
 	es_int.Eventstore
 	userCache                *UserCache
@@ -1630,7 +1626,7 @@ func (es *UserEventstore) AddMachineKey(ctx context.Context, key *usr_model.Mach
 	}
 
 	if key.ExpirationDate.IsZero() {
-		key.ExpirationDate, err = time.Parse(yearLayout, defaultExpirationDate)
+		key.ExpirationDate, err = key_model.DefaultExpiration()
 		if err != nil {
 			logging.Log("EVENT-vzibi").WithError(err).Warn("unable to set default date")
 			return nil, errors.ThrowInternal(err, "EVENT-j68fg", "Errors.Internal")

internal/user/repository/eventsourcing/model/user_machine.go

@@ -9,6 +9,7 @@ import (
 	"github.com/caos/zitadel/internal/errors"
 	"github.com/caos/zitadel/internal/eventstore/models"
 	es_models "github.com/caos/zitadel/internal/eventstore/models"
+	key_model "github.com/caos/zitadel/internal/key/model"
 	"github.com/caos/zitadel/internal/user/model"
 )
 
@@ -115,7 +116,7 @@ func MachineKeyToModel(machine *MachineKey) *model.MachineKey {
 		ExpirationDate: machine.ExpirationDate,
 		KeyID:          machine.KeyID,
 		PrivateKey:     machine.privateKey,
-		Type:           model.MachineKeyType(machine.Type),
+		Type:           key_model.AuthNKeyType(machine.Type),
 	}
 }