chore: move the go code into a subfolder

apps/api/internal/command/auth_checks.go

@@ -0,0 +1,32 @@
+package command
+
+import (
+	"context"
+
+	"github.com/zitadel/zitadel/internal/api/authz"
+	"github.com/zitadel/zitadel/internal/zerrors"
+)
+
+func checkExplicitProjectPermission(ctx context.Context, grantID, projectID string) error {
+	permissions := authz.GetRequestPermissionsFromCtx(ctx)
+	if authz.HasGlobalPermission(permissions) {
+		return nil
+	}
+	ids := authz.GetAllPermissionCtxIDs(permissions)
+	if grantID != "" && listContainsID(ids, grantID) {
+		return nil
+	}
+	if listContainsID(ids, projectID) {
+		return nil
+	}
+	return zerrors.ThrowPermissionDenied(nil, "EVENT-Shu7e", "Errors.UserGrant.NoPermissionForProject")
+}
+
+func listContainsID(ids []string, id string) bool {
+	for _, i := range ids {
+		if i == id {
+			return true
+		}
+	}
+	return false
+}