Add /auth endpoint

api/src/app.controller.ts

@@ -1,6 +1,30 @@
-import { Controller, Get } from '@nestjs/common';
+import { Controller, Get, UseGuards } from '@nestjs/common';
-import { ApiInfo, AppService } from './app.service';
+import { AppService } from './app.service';
-import { ApiOperation } from '@nestjs/swagger';
+import {
+  ApiOperation,
+  ApiProperty,
+  ApiResponse,
+  ApiUnauthorizedResponse,
+} from '@nestjs/swagger';
+import { META } from './meta';
+import { AuthData } from './auth/authdata.decorator';
+import { AuthGuard, AuthenticationData } from './auth/auth.guard';
+
+export class ApiInfo {
+  @ApiProperty()
+  version: string;
+}
+
+export class AuthInfo {
+  @ApiProperty()
+  authenticated: boolean;
+
+  @ApiProperty()
+  user: string;
+
+  @ApiProperty({ default: false })
+  god: boolean;
+}
 
 @Controller()
 export class AppController {
@@ -9,6 +33,24 @@ export class AppController {
   @Get()
   @ApiOperation({ summary: 'Fetch API configuration' })
   getHello(): ApiInfo {
-    return this.appService.getRoot();
+    return {
+      version: META.version,
+    };
+  }
+
+  @Get('/auth')
+  @UseGuards(AuthGuard)
+  @ApiOperation({ summary: 'Check authentication status' })
+  @ApiResponse({ type: AuthInfo, status: 200 })
+  @ApiUnauthorizedResponse({
+    description: 'Request will fail if the user is not authenticated',
+  })
+  getAuth(@AuthData() auth: AuthenticationData): AuthInfo {
+    return {
+      // Since the AuthGuard stops the request otherwise, we can assume the user is authenticated
+      authenticated: true,
+      user: auth.user,
+      god: auth.god || false,
+    };
   }
 }

api/src/app.service.ts

@@ -1,15 +1,4 @@
 import { Injectable } from '@nestjs/common';
-import { META } from './meta';
-
-export interface ApiInfo {
-  version: string;
-}
 
 @Injectable()
-export class AppService {
+export class AppService {}
-  getRoot(): ApiInfo {
-    return {
-      version: META.version,
-    };
-  }
-}

api/src/auth/authdata.decorator.ts

@@ -1,17 +1,13 @@
-import {
+import { createParamDecorator, ExecutionContext } from '@nestjs/common';
-  createParamDecorator,
-  ExecutionContext,
-  InternalServerErrorException,
-} from '@nestjs/common';
 import { AuthenticationData } from './auth.guard';
 
 export const AuthData = createParamDecorator(
   (data: unknown, ctx: ExecutionContext) => {
     const request = ctx.switchToHttp().getRequest();
-    if (!request.auth_data)
+    //if (!request.auth_data)
-      throw new InternalServerErrorException(
+    //  throw new InternalServerErrorException(
-        'Authentication data not present in request object',
+    //    'Authentication data not present in request object',
-      );
+    //  );
-    return request.auth_data as AuthenticationData;
+    return request.auth_data as AuthenticationData | undefined;
   },
 );