Mercurial > grim > hgkeeper / file revision

package access

import (
	"path/filepath"
	"sync"

	"github.com/casbin/casbin/v2"
	"go.uber.org/zap"
)

var (
	enforcer     *casbin.Enforcer
	enforcerLock sync.Mutex
)

func refreshEnforcer() error {
	enforcerLock.Lock()
	defer enforcerLock.Unlock()

	modelFile := filepath.Join(AdminRepoPath(), modelFilename)
	policyFile := filepath.Join(AdminRepoPath(), policyFilename)

	zap.S().Debugf("reading model from %q", modelFile)
	zap.S().Debugf("reading policy from %q", policyFile)

	e, err := casbin.NewEnforcer(modelFile, policyFile)
	if err != nil {
		zap.S().Errorf("failed to create new enforcer: %v", err)

		return err
	}

	enforcer = e

	return nil
}