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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 []map[string]string) {
- e := Casbin()
- list := e.GetFilteredPolicy(0, authorityId)
- for _, v := range list {
- pathMaps = append(pathMaps, map[string]string{
- "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 (bool)(ParamsMatch(name1, name2)), nil
- }
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