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package service
import ( "errors" "gin-vue-admin/global" "gin-vue-admin/model" "gin-vue-admin/model/request" "github.com/casbin/casbin" "github.com/casbin/casbin/util" gormadapter "github.com/casbin/gorm-adapter" "strings" )
// @title UpdateCasbin
// @description update casbin authority, 更新casbin权限
// @auth (2020/04/05 20:22)
// @param authorityId string
// @param casbinInfos []CasbinInfo
// @return error
func UpdateCasbin(authorityId string, casbinInfos []request.CasbinInfo) error { ClearCasbin(0, authorityId) for _, v := range casbinInfos { cm := model.CasbinModel{ ID: 0, Ptype: "p", AuthorityId: authorityId, Path: v.Path, Method: v.Method, } addflag := AddCasbin(cm) if addflag == false { return errors.New("存在相同api,添加失败,请联系管理员") } } return nil }
// @title AddCasbin
// @description add casbin authority, 添加权限
// @auth (2020/04/05 20:22)
// @param cm model.CasbinModel
// @return bool
func AddCasbin(cm model.CasbinModel) bool { e := Casbin() return e.AddPolicy(cm.AuthorityId, cm.Path, cm.Method) }
// @title UpdateCasbinApi
// @description update casbin apis, API更新随动
// @auth (2020/04/05 20:22)
// @param oldPath string
// @param newPath string
// @param oldMethod string
// @param newMethod string
// @return error
func UpdateCasbinApi(oldPath string, newPath string, oldMethod string, newMethod string) error { var cs []model.CasbinModel err := global.GVA_DB.Table("casbin_rule").Where("v1 = ? AND v2 = ?", oldPath, oldMethod).Find(&cs).Updates(map[string]string{ "v1": newPath, "v2": newMethod, }).Error return err }
// @title GetPolicyPathByAuthorityId
// @description get policy path by authorityId, 获取权限列表
// @auth (2020/04/05 20:22)
// @param authorityId string
// @return []string
func GetPolicyPathByAuthorityId(authorityId string) (pathMaps []request.CasbinInfo) { e := Casbin() list := e.GetFilteredPolicy(0, authorityId) for _, v := range list { pathMaps = append(pathMaps, request.CasbinInfo{ Path: v[1], Method: v[2], }) } return pathMaps }
// @title ClearCasbin
// @description 清除匹配的权限
// @auth (2020/04/05 20:22)
// @param v int
// @param p string
// @return bool
func ClearCasbin(v int, p ...string) bool { e := Casbin() return e.RemoveFilteredPolicy(v, p...)
}
// @title Casbin
// @description store to DB, 持久化到数据库 引入自定义规则
// @auth (2020/04/05 20:22)
func Casbin() *casbin.Enforcer { a := gormadapter.NewAdapterByDB(global.GVA_DB) e := casbin.NewEnforcer(global.GVA_CONFIG.Casbin.ModelPath, a) e.AddFunction("ParamsMatch", ParamsMatchFunc) _ = e.LoadPolicy() return e }
// @title ParamsMatch
// @description customized rule, 自定义规则函数
// @auth (2020/04/05 20:22)
// @param fullNameKey1 string
// @param key2 string
// @return bool
func ParamsMatch(fullNameKey1 string, key2 string) bool { key1 := strings.Split(fullNameKey1, "?")[0] // 剥离路径后再使用casbin的keyMatch2
return util.KeyMatch2(key1, key2) }
// @title ParamsMatchFunc
// @description customized function, 自定义规则函数
// @auth (2020/04/05 20:22)
// @param args ...interface{}
// @return interface{}
// @return error
func ParamsMatchFunc(args ...interface{}) (interface{}, error) { name1 := args[0].(string) name2 := args[1].(string)
return ParamsMatch(name1, name2), nil }
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