Implemented Oauth

backend/src/app.js

@@ -1,29 +1,59 @@
-import express from 'express';
-import cors from 'cors';
-import cookieParser from 'cookie-parser';
-import router from './routes/auth.js';
-import applicantRoute from './routes/applicant.js';
-import validatorRoute from './routes/validator.js';
-import generalRoute from './routes/general.js';
-import { verifyApplicantToken, verifyToken, verifyValidatorToken } from './middleware/verifyJwt.js';
+import express from "express";
+import cors from "cors";
+import cookieParser from "cookie-parser";
+import session from "express-session";
+import passport, { initializePassport } from "./services/passportService.js";
+import router from "./routes/auth.js";
+import applicantRoute from "./routes/applicant.js";
+import validatorRoute from "./routes/validator.js";
+import generalRoute from "./routes/general.js";
+import {
+  verifyApplicantToken,
+  verifyToken,
+  verifyValidatorToken,
+} from "./middleware/verifyJwt.js";
+
+// Initialize passport strategies after environment variables are loaded
+initializePassport();
 
 const app = express();
 
 // Middleware setup
-app.use(cookieParser()); 
-app.use(express.json());  
-app.use(express.urlencoded({ extended: true })); 
-app.use(cors({
-    origin: true, 
-    credentials: true  
-}));
+app.use(cookieParser());
+app.use(express.json());
+app.use(express.urlencoded({ extended: true }));
+app.use(
+  cors({
+    origin: process.env.FRONTEND_URL || "http://localhost:5173",
+    credentials: true,
+  }),
+);
+
+// Session middleware (required for Passport)
+app.use(
+  session({
+    secret:
+      process.env.SESSION_SECRET || "your-secret-key-change-this-in-production",
+    resave: false,
+    saveUninitialized: false,
+    cookie: {
+      secure: process.env.NODE_ENV === "production",
+      httpOnly: true,
+      maxAge: 24 * 60 * 60 * 1000, // 24 hours
+    },
+  }),
+);
+
+// Initialize Passport
+app.use(passport.initialize());
+app.use(passport.session());
 
 // Route-specific middleware and routes
-app.use('/applicant', verifyApplicantToken, applicantRoute);
-app.use('/validator', verifyValidatorToken, validatorRoute);
-app.use('/general', verifyToken, generalRoute);
+app.use("/applicant", verifyApplicantToken, applicantRoute);
+app.use("/validator", verifyValidatorToken, validatorRoute);
+app.use("/general", verifyToken, generalRoute);
 
 // Authentication routes
 app.use(router);
 
-export default app;
+export default app;