Login Endpoint

backend/src/app.module.ts

@@ -1,9 +1,16 @@
 import { Module } from '@nestjs/common';
+import { ConfigModule } from '@nestjs/config';
 import { AppController } from './app.controller';
 import { AuthModule } from './auth/auth.module';
 
 @Module({
-  imports: [AuthModule],
+  imports: [
+    ConfigModule.forRoot({
+      isGlobal: true,
+      expandVariables: true,
+    }),
+    AuthModule,
+  ],
   controllers: [AppController],
   providers: [],
 })

backend/src/auth/login/dto/kc.data.dto.ts

@@ -0,0 +1,8 @@
+export class KeycloakDataDto {
+  client_id: string;
+  client_secret: string;
+  grant_type: string;
+  username?: string;
+  email?: string;
+  password: string;
+}

backend/src/auth/login/dto/login.dto.ts

@@ -1 +1,5 @@
-export class LoginDto {}
+export class LoginDto {
+  username?: string;
+  email?: string;
+  password: string;
+}

backend/src/auth/login/dto/token.dto.ts

@@ -0,0 +1,10 @@
+export class TokenDto {
+  access_token: string;
+  expires_in: number;
+  refresh_token: string;
+  refresh_expires_in: number;
+  token_type: string;
+  'not-before-policy': number;
+  session_state: string;
+  scope: string;
+}

backend/src/auth/login/login.controller.ts

@@ -1,4 +1,4 @@
-import { Controller, Post, Body } from '@nestjs/common';
+import { Controller, Post, Body, Get } from '@nestjs/common';
 import { LoginService } from './login.service';
 import { LoginDto } from './dto/login.dto';
 

backend/src/auth/login/login.module.ts

@@ -1,9 +1,11 @@
 import { Module } from '@nestjs/common';
 import { LoginService } from './login.service';
 import { LoginController } from './login.controller';
+import { HttpModule } from '@nestjs/axios';
 
 @Module({
+  imports: [HttpModule],
   controllers: [LoginController],
-  providers: [LoginService]
+  providers: [LoginService],
 })
 export class LoginModule {}

backend/src/auth/login/login.service.ts

@@ -1,9 +1,40 @@
+import { HttpService } from '@nestjs/axios';
 import { Injectable } from '@nestjs/common';
+import { lastValueFrom } from 'rxjs';
 import { LoginDto } from './dto/login.dto';
+import { KeycloakDataDto } from './dto/kc.data.dto';
+const querystring = require('querystring');
 
 @Injectable()
 export class LoginService {
-  login(loginDto: LoginDto) {
-    return 'This action adds a new login';
+  constructor(private readonly httpService: HttpService) {}
+
+  async login(loginDto: LoginDto) {
+    const keycloakHeaders = {
+      Accept: 'application/xhtml+xml',
+      'content-type': 'application/x-www-form-urlencoded',
+    };
+
+    const keycloakTokenData = {
+      client_id: process.env.KC_CLIENT_ID || 'client_id',
+      client_secret: process.env.KC_CLIENT_SECRET || 'client_secret',
+      grant_type: process.env.KC_GRANT_TYPE || 'grant_type',
+    };
+
+    const kcData: KeycloakDataDto = { ...keycloakTokenData, ...loginDto };
+
+    try {
+      const res = await lastValueFrom(
+        this.httpService.request({
+          method: 'POST',
+          data: querystring.stringify(kcData),
+          headers: keycloakHeaders,
+          url: process.env.KC_TOKEN_ENDPOINT,
+        }),
+      );
+      return res.data;
+    } catch (error) {
+      return error;
+    }
   }
 }

backend/src/auth/register/register.module.ts

@@ -1,8 +1,10 @@
 import { Module } from '@nestjs/common';
 import { RegisterService } from './register.service';
 import { RegisterController } from './register.controller';
+import { HttpModule } from '@nestjs/axios';
 
 @Module({
+  imports: [HttpModule],
   controllers: [RegisterController],
   providers: [RegisterService]
 })

backend/src/auth/register/register.service.ts

@@ -1,15 +1,22 @@
+import { HttpService } from '@nestjs/axios';
 import { Injectable } from '@nestjs/common';
+import { AxiosResponse } from 'axios';
+import { lastValueFrom, Observable, of } from 'rxjs';
 import { CreateUserDto } from './dto/create-user.dto';
 import { UpdateUserDto } from './dto/update-user.dto';
 
 @Injectable()
 export class RegisterService {
+  constructor(private readonly httpService: HttpService) {}
+
   create(createRegisterDto: CreateUserDto) {
     return 'This action adds a new register';
   }
 
-  findAll() {
-    return `This action returns all register`;
+  async findAll() {
+    // const obj = await lastValueFrom(this.httpService.get('https://jsonplaceholder.typicode.com/todos'))
+    // return obj.data;
+    return 'Find all Users';
   }
 
   findOne(id: number) {

backend/src/main.ts

@@ -3,6 +3,6 @@ import { AppModule } from './app.module';
 
 async function bootstrap() {
   const app = await NestFactory.create(AppModule);
-  await app.listen(3000);
+  await app.listen(process.env.APP_PORT || '3000');
 }
 bootstrap();