pet-house/core/server/casbin/index.go

76 lines
1.4 KiB
Go

package casbin
import (
"path/filepath"
"strconv"
"sync"
"github.com/casbin/casbin/v2"
gormadapter "github.com/casbin/gorm-adapter/v3"
"pet-house.com/core/g"
"pet-house.com/core/helper/dir"
"pet-house.com/core/server/database"
"pet-house.com/core/server/zap_server"
)
var (
once sync.Once
enforcer *casbin.Enforcer
)
// Instance casbin instance
func Instance() *casbin.Enforcer {
once.Do(func() {
enforcer = getEnforcer()
})
return enforcer
}
// getEnforcer get casbin.Enforcer
func getEnforcer() *casbin.Enforcer {
if database.Instance() == nil {
zap_server.ZAPLOG.Error(database.ErrDatabaseInit.Error())
return nil
}
c, err := gormadapter.NewAdapterByDBUseTableName(database.Instance(), "", "casbin_rule") // Your driver and data source.
if err != nil {
return nil
}
enforcer, err := casbin.NewEnforcer(filepath.Join(dir.GetCurrentAbPath(), g.CasbinFileName), c)
if err != nil {
return nil
}
if enforcer == nil {
zap_server.ZAPLOG.Error("Casbin init")
return nil
}
err = enforcer.LoadPolicy()
if err != nil {
return nil
}
return enforcer
}
// GetRolesForUser get user's roles
func GetRolesForUser(uid uint) []string {
uids, err := Instance().GetRolesForUser(strconv.FormatUint(uint64(uid), 10))
if err != nil {
return []string{}
}
return uids
}
// ClearCasbin clean rules
func ClearCasbin(v int, p ...string) error {
_, err := Instance().RemoveFilteredPolicy(v, p...)
if err != nil {
return err
}
return nil
}