feat: ensure users security

Author: eug-vs

services/users/users.hooks.ts

@@ -1,7 +1,9 @@
 import _ from 'lodash';
 import { hooks } from '@feathersjs/authentication-local';
-import { discard } from 'feathers-hooks-common';
+import { discard, disallow } from 'feathers-hooks-common';
 import { HookContext } from '@feathersjs/feathers';
+import { NotAuthenticated } from '@feathersjs/errors';
+import requireAuth from '../../hooks/requireAuth';
 
 const hashPassword = hooks.hashPassword('password');
 
@@ -12,6 +14,13 @@ const ignoreCaseRegex = async (context: HookContext): Promise<HookContext> => {
   return context;
 };
 
+const compareUser = async (context: HookContext): Promise<HookContext> => {
+  if(context.arguments[0] != context.params.user._id) {
+    throw new NotAuthenticated('You can only PATCH/UPDATE your own user!');
+  }
+  return context;
+}
+
 export default {
   after: {
     all: hooks.protect('password'),
@@ -20,8 +29,9 @@ export default {
   before: {
     find: ignoreCaseRegex,
     create: hashPassword,
-    patch: hashPassword,
-    update: hashPassword
+    patch: [hashPassword, requireAuth, compareUser],
+    update: [hashPassword, requireAuth, compareUser],
+    remove: disallow('external')
   }
 };