feat: Implement api/v1/users/:userId API endpoint

packages/backend/src/helpers/authorization.js

@@ -0,0 +1,18 @@
+const authorizationList = {
+  '/api/v1/users/:userId': {
+    action: 'read',
+    subject: 'User',
+  },
+};
+
+export const authorizeUser = async (request, response, next) => {
+  const currentRoute = request.baseUrl + request.route.path;
+  const currentRouteRule = authorizationList[currentRoute];
+
+  try {
+    request.currentUser.can(currentRouteRule.action, currentRouteRule.subject);
+    next();
+  } catch (error) {
+    return response.status(403).end();
+  }
+};