diff --git a/cmd/aicra/main.go b/cmd/aicra/main.go
index cf70552..6855455 100644
--- a/cmd/aicra/main.go
+++ b/cmd/aicra/main.go
@@ -158,7 +158,7 @@ func main() {
 	/* (3) Compile middlewares */
 	if compileMiddlewares {
 		clifmt.Title("compile middlewares")
-		err = buildControllers(mPath, filepath.Join(projectPath, ".build/middleware"))
+		err = buildTypes(mPath, filepath.Join(projectPath, ".build/middleware"))
 		if err != nil {
 			fmt.Printf("%s compilation error: %s\n", clifmt.Warn(), err)
 		}
diff --git a/config/method.go b/config/method.go
index ba7ce0a..03fb08e 100644
--- a/config/method.go
+++ b/config/method.go
@@ -1,7 +1,6 @@
 package config
 
 import (
-	"fmt"
 	"git.xdrm.io/go/aicra/middleware"
 )
 
@@ -12,6 +11,36 @@ import (
 // > level 1 is OR
 // > level 2 is AND
 func (m *Method) CheckScope(scope middleware.Scope) bool {
-	fmt.Printf("Scope: %v\n", m.Permission)
+
+	for _, OR := range m.Permission {
+
+		granted := true
+
+		for _, AND := range OR {
+
+			if !isPermInScope(AND, scope) {
+				granted = false
+				break
+			}
+
+		}
+
+		// if one is valid -> grant
+		if granted {
+			return true
+		}
+
+	}
+
+	return false
+}
+
+// Returns whether @perm is present in @scope
+func isPermInScope(perm string, scope []string) bool {
+	for _, s := range scope {
+		if perm == s {
+			return true
+		}
+	}
 	return false
 }