Casbin初识
Casbin中文文檔
環境
- go:1.15
- casbin:v2
- mysql:5.7
代碼
package mycasbinimport ("fmt""github.com/casbin/casbin/v2""github.com/casbin/casbin/v2/model"gormAdapter "github.com/casbin/gorm-adapter/v3""gorm.io/driver/mysql""gorm.io/gorm""testing" )var conf = ` [request_definition] r = sub, obj, act[policy_definition] p = sub, obj, act[policy_effect] e = some(where (p.eft == allow))[matchers] m = r.sub == p.sub && (keyMatch2(r.obj, p.obj) || keyMatch(r.obj, p.obj)) && (r.act == p.act) `func TestCheckRole(t *testing.T) {db, err := gorm.Open(mysql.Open("name:pwd@tcp(127.0.0.1:3306)/casbin?charset=utf8&parseTime=True&loc=Local"))if err != nil {panic("連接數據庫失敗")}// 默認創建或讀取 casbin_rule數據表Apter, err := gormAdapter.NewAdapterByDB(db)if err != nil {panic(err)}m, err := model.NewModelFromString(conf)if err != nil {panic(err)}e, err := casbin.NewSyncedEnforcer(m, Apter)if err != nil {panic(err)}// 從數據庫中加載policy規則;err = e.LoadPolicy()if err != nil {panic(err)}// 增加策略_, _ = e.AddNamedPolicy("p", []string{"2", "/test2", "GET"})_, _ = e.AddNamedPolicy("p", []string{"3", "/test3", "GET"})// 刪除策略_, _ = e.RemoveFilteredPolicy(0, "3")//匹配策略res, err := e.Enforce("3", "/test2", "GET")if err == nil && res {fmt.Println("可以訪問!!!")return}fmt.Println("權限不足:", err, res)// 獲取策略信息fmt.Println(e.GetPolicy())fmt.Println(e.GetAllActions())fmt.Println(e.GetAdapter())fmt.Println(e.GetAllSubjects())fmt.Println(e.GetAllObjects()) }總結
 
                            
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