feat(graphql,#958,#1160): Enable authorizers on subscriptions

* feat: authorizer applied to pub sub

* feat(query-graphql): authorizer for websocket in resolvers

* updating spaces to improve code review

* feat: authorizer for create many

* feat: authorizer applied to update subscriptions

* feat: authorizer applied to delete subscriptions

* fix: adding missing decorator to make authorizer applied to update and delete subscriptions working

* feat: Enable authorizers on subscriptions

* feat: Enable authorizers on subscriptions

* example: Add authorized subscription example

* fix: lock apollo versions until nestjs/graphql updates

Co-authored-by: Armando Soriano <asoriano.dev@gmail.com>

examples/auth/src/app.module.ts

@@ -8,12 +8,24 @@ import { typeormOrmConfig } from '../../helpers';
 import { AuthModule } from './auth/auth.module';
 import { UserModule } from './user/user.module';
 
+interface HeadersContainer {
+  headers?: Record<string, string>;
+}
+interface ContextArgs {
+  req?: HeadersContainer;
+  connection?: { context: HeadersContainer };
+}
+
 @Module({
   imports: [
     TypeOrmModule.forRoot(typeormOrmConfig('auth')),
     GraphQLModule.forRoot({
       autoSchemaFile: 'schema.gql',
-      context: ({ req }: { req: { headers: Record<string, string> } }) => ({ req }),
+      installSubscriptionHandlers: true,
+      subscriptions: {
+        onConnect: (connectionParams: unknown) => ({ headers: connectionParams }),
+      },
+      context: ({ req, connection }: ContextArgs) => ({ req: { ...req, ...connection?.context } }),
     }),
     AuthModule,
     UserModule,

examples/auth/src/sub-task/sub-task.module.ts

@@ -18,6 +18,7 @@ import { JwtAuthGuard } from '../auth/jwt-auth.guard';
           CreateDTOClass: CreateSubTaskDTO,
           UpdateDTOClass: SubTaskUpdateDTO,
           enableAggregate: true,
+          enableSubscriptions: true,
           guards: [JwtAuthGuard],
         },
       ],

examples/auth/src/tag/tag.module.ts

@@ -17,6 +17,7 @@ import { JwtAuthGuard } from '../auth/jwt-auth.guard';
           CreateDTOClass: TagInputDTO,
           UpdateDTOClass: TagInputDTO,
           enableAggregate: true,
+          enableSubscriptions: true,
           guards: [JwtAuthGuard],
         },
       ],

examples/auth/src/todo-item/todo-item.module.ts

@@ -22,6 +22,7 @@ import { JwtAuthGuard } from '../auth/jwt-auth.guard';
           CreateDTOClass: TodoItemInputDTO,
           UpdateDTOClass: TodoItemUpdateDTO,
           enableAggregate: true,
+          enableSubscriptions: true,
           guards: [JwtAuthGuard],
         },
       ],

examples/package.json

@@ -29,6 +29,8 @@
     "@nestjs/sequelize": "8.0.0",
     "@nestjs/typeorm": "8.0.1",
     "@typegoose/typegoose": "8.0.0-beta.7",
+    "apollo-server-core": "2.25.2",
+    "apollo-server-types": "0.9.0",
     "apollo-server-express": "2.25.2",
     "apollo-server-plugin-base": "0.13.0",
     "class-validator": "0.13.1",