Implement OAuth2 server, link oauth:Client and auth::Oauth2Client, implement permission checks

app/assets/app/service/Session.service.js

@@ -26,6 +26,12 @@ class Session {
 
         parent[parts.reverse()[0]] = value
     }
+
+    async check_permissions(...permissions) {
+        const result = await axios.post('/api/v1/reflect/check_permissions', { permissions })
+        if ( permissions.length === 1 ) return result.data.data[permissions[0]]
+        return result.data.data
+    }
 }
 
 const session = new Session()