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140 lines
4.1 KiB
140 lines
4.1 KiB
package service
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import (
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"errors"
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"gin-vue-admin/global"
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"gin-vue-admin/model"
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"gin-vue-admin/model/request"
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"github.com/casbin/casbin/util"
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"github.com/casbin/casbin/v2"
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gormadapter "github.com/casbin/gorm-adapter/v3"
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_ "github.com/go-sql-driver/mysql"
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"strings"
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)
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// @title UpdateCasbin
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// @description update casbin authority, 更新casbin权限
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// @auth （2020/04/05 20:22）
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// @param authorityId string
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// @param casbinInfos []CasbinInfo
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// @return error
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func UpdateCasbin(authorityId string, casbinInfos []request.CasbinInfo) error {
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ClearCasbin(0, authorityId)
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for _, v := range casbinInfos {
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cm := model.CasbinModel{
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ID: 0,
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Ptype: "p",
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AuthorityId: authorityId,
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Path: v.Path,
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Method: v.Method,
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}
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addflag := AddCasbin(cm)
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if addflag == false {
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return errors.New("存在相同api,添加失败,请联系管理员")
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}
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}
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return nil
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}
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// @title AddCasbin
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// @description add casbin authority, 添加权限
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// @auth （2020/04/05 20:22）
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// @param cm model.CasbinModel
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// @return bool
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func AddCasbin(cm model.CasbinModel) bool {
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e := Casbin()
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success, _ := e.AddPolicy(cm.AuthorityId, cm.Path, cm.Method)
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return success
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}
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// @title UpdateCasbinApi
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// @description update casbin apis, API更新随动
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// @auth （2020/04/05 20:22）
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// @param oldPath string
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// @param newPath string
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// @param oldMethod string
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// @param newMethod string
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// @return error
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func UpdateCasbinApi(oldPath string, newPath string, oldMethod string, newMethod string) error {
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var cs []model.CasbinModel
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err := global.GVA_DB.Table("casbin_rule").Where("v1 = ? AND v2 = ?", oldPath, oldMethod).Find(&cs).Updates(map[string]string{
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"v1": newPath,
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"v2": newMethod,
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}).Error
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return err
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}
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// @title GetPolicyPathByAuthorityId
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// @description get policy path by authorityId, 获取权限列表
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// @auth （2020/04/05 20:22）
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// @param authorityId string
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// @return []string
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func GetPolicyPathByAuthorityId(authorityId string) (pathMaps []request.CasbinInfo) {
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e := Casbin()
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list := e.GetFilteredPolicy(0, authorityId)
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for _, v := range list {
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pathMaps = append(pathMaps, request.CasbinInfo{
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Path: v[1],
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Method: v[2],
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})
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}
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return pathMaps
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}
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// @title ClearCasbin
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// @description 清除匹配的权限
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// @auth （2020/04/05 20:22）
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// @param v int
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// @param p string
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// @return bool
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func ClearCasbin(v int, p ...string) bool {
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e := Casbin()
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success, _ := e.RemoveFilteredPolicy(v, p...)
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return success
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}
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// @title Casbin
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// @description store to DB, 持久化到数据库 引入自定义规则
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// @auth （2020/04/05 20:22）
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func Casbin() *casbin.Enforcer {
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admin := global.GVA_CONFIG.Mysql
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a, _ := gormadapter.NewAdapter(global.GVA_CONFIG.System.DbType, admin.Username+":"+admin.Password+"@("+admin.Path+")/"+admin.Dbname, true)
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e, _ := casbin.NewEnforcer(global.GVA_CONFIG.Casbin.ModelPath, a)
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e.AddFunction("ParamsMatch", ParamsMatchFunc)
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_ = e.LoadPolicy()
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return e
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}
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// @title ParamsMatch
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// @description customized rule, 自定义规则函数
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// @auth （2020/04/05 20:22）
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// @param fullNameKey1 string
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// @param key2 string
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// @return bool
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func ParamsMatch(fullNameKey1 string, key2 string) bool {
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key1 := strings.Split(fullNameKey1, "?")[0]
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// 剥离路径后再使用casbin的keyMatch2
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return util.KeyMatch2(key1, key2)
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}
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// @title ParamsMatchFunc
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// @description customized function, 自定义规则函数
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// @auth （2020/04/05 20:22）
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// @param args ...interface{}
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// @return interface{}
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// @return error
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func ParamsMatchFunc(args ...interface{}) (interface{}, error) {
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name1 := args[0].(string)
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name2 := args[1].(string)
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return ParamsMatch(name1, name2), nil
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}
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