管理端全部功能跑通

EdgeHttpDNS/internal/encrypt/method_utils.go

@@ -0,0 +1,40 @@
+package encrypt
+
+import (
+	"errors"
+	"reflect"
+)
+
+var methods = map[string]reflect.Type{
+	"raw":         reflect.TypeOf(new(RawMethod)).Elem(),
+	"aes-256-cfb": reflect.TypeOf(new(AES256CFBMethod)).Elem(),
+}
+
+func NewMethodInstance(method string, key string, iv string) (MethodInterface, error) {
+	valueType, ok := methods[method]
+	if !ok {
+		return nil, errors.New("method '" + method + "' not found")
+	}
+
+	instance, ok := reflect.New(valueType).Interface().(MethodInterface)
+	if !ok {
+		return nil, errors.New("method '" + method + "' must implement MethodInterface")
+	}
+
+	err := instance.Init([]byte(key), []byte(iv))
+	return instance, err
+}
+
+func RecoverMethodPanic(err interface{}) error {
+	if err == nil {
+		return nil
+	}
+
+	if s, ok := err.(string); ok {
+		return errors.New(s)
+	}
+	if e, ok := err.(error); ok {
+		return e
+	}
+	return errors.New("unknown error")
+}