Refactor merge conan and container auth preserve actions taskID (#36560)

* Remove duplicated code
* Allow further ActionsUser package permission checks

---------

Co-authored-by: wxiaoguang <wxiaoguang@gmail.com>

routers/api/packages/container/auth.go

@@ -1,47 +0,0 @@
-// Copyright 2022 The Gitea Authors. All rights reserved.
-// SPDX-License-Identifier: MIT
-
-package container
-
-import (
-	"net/http"
-
-	user_model "code.gitea.io/gitea/models/user"
-	"code.gitea.io/gitea/modules/log"
-	"code.gitea.io/gitea/services/auth"
-	"code.gitea.io/gitea/services/packages"
-)
-
-var _ auth.Method = &Auth{}
-
-type Auth struct{}
-
-func (a *Auth) Name() string {
-	return "container"
-}
-
-// Verify extracts the user from the Bearer token
-// If it's an anonymous session, a ghost user is returned
-func (a *Auth) Verify(req *http.Request, w http.ResponseWriter, store auth.DataStore, sess auth.SessionStore) (*user_model.User, error) {
-	packageMeta, err := packages.ParseAuthorizationRequest(req)
-	if err != nil {
-		log.Trace("ParseAuthorizationToken: %v", err)
-		return nil, err
-	}
-
-	if packageMeta == nil || packageMeta.UserID == 0 {
-		return nil, nil
-	}
-
-	u, err := user_model.GetPossibleUserByID(req.Context(), packageMeta.UserID)
-	if err != nil {
-		return nil, err
-	}
-
-	if packageMeta.Scope != "" {
-		store.GetData()["IsApiToken"] = true
-		store.GetData()["ApiTokenScope"] = packageMeta.Scope
-	}
-
-	return u, nil
-}