🔒 Add authentication route logic for user login and registration

code/websites/pokedex.online/server/routes/auth.js

@@ -0,0 +1,175 @@
+/**
+ * Authentication Routes
+ *
+ * Handles login, logout, token refresh, and user info endpoints
+ */
+
+import { Router } from 'express';
+import { createToken, verifyToken, decodeToken, getTokenExpiresIn } from '../utils/jwt-utils.js';
+
+export function createAuthRouter({ secret, adminPassword } = {}) {
+  const router = Router();
+
+  /**
+   * POST /auth/login
+   * Login with admin password to receive JWT token
+   */
+  router.post('/login', (req, res) => {
+    const { password } = req.body;
+
+    // Validate input
+    if (!password) {
+      return res.status(400).json({
+        error: 'Password is required',
+        code: 'MISSING_PASSWORD'
+      });
+    }
+
+    // Validate password
+    if (password !== adminPassword) {
+      return res.status(401).json({
+        error: 'Invalid password',
+        code: 'INVALID_PASSWORD'
+      });
+    }
+
+    try {
+      // Create token with admin permissions
+      const token = createToken(
+        {
+          isAdmin: true,
+          permissions: ['admin', 'gamemaster-edit'],
+          loginTime: new Date().toISOString()
+        },
+        secret,
+        7 * 24 * 60 * 60 // 7 days
+      );
+
+      res.json({
+        success: true,
+        token,
+        expiresIn: 7 * 24 * 60 * 60,
+        user: {
+          isAdmin: true,
+          permissions: ['admin', 'gamemaster-edit']
+        }
+      });
+    } catch (err) {
+      res.status(500).json({
+        error: 'Failed to create token',
+        code: 'TOKEN_CREATION_ERROR'
+      });
+    }
+  });
+
+  /**
+   * POST /auth/verify
+   * Verify that a token is valid
+   */
+  router.post('/verify', (req, res) => {
+    const { token } = req.body;
+
+    if (!token) {
+      return res.status(400).json({
+        error: 'Token is required',
+        code: 'MISSING_TOKEN'
+      });
+    }
+
+    try {
+      const decoded = verifyToken(token, secret);
+      const expiresIn = getTokenExpiresIn(token);
+
+      res.json({
+        valid: true,
+        user: {
+          isAdmin: decoded.isAdmin,
+          permissions: decoded.permissions
+        },
+        expiresIn: Math.floor(expiresIn / 1000),
+        expiresAt: new Date(Date.now() + expiresIn)
+      });
+    } catch (err) {
+      return res.status(401).json({
+        valid: false,
+        error: err.message,
+        code: 'INVALID_TOKEN'
+      });
+    }
+  });
+
+  /**
+   * POST /auth/refresh
+   * Refresh an existing token
+   */
+  router.post('/refresh', (req, res) => {
+    const { token } = req.body;
+
+    if (!token) {
+      return res.status(400).json({
+        error: 'Token is required',
+        code: 'MISSING_TOKEN'
+      });
+    }
+
+    try {
+      const decoded = verifyToken(token, secret);
+      
+      // Create new token with same payload but extended expiration
+      const newToken = createToken(
+        {
+          isAdmin: decoded.isAdmin,
+          permissions: decoded.permissions,
+          loginTime: decoded.loginTime
+        },
+        secret,
+        7 * 24 * 60 * 60 // 7 days
+      );
+
+      res.json({
+        success: true,
+        token: newToken,
+        expiresIn: 7 * 24 * 60 * 60
+      });
+    } catch (err) {
+      return res.status(401).json({
+        error: err.message,
+        code: 'INVALID_TOKEN'
+      });
+    }
+  });
+
+  /**
+   * GET /auth/user
+   * Get current user info (requires valid token via middleware)
+   */
+  router.get('/user', (req, res) => {
+    if (!req.user) {
+      return res.status(401).json({
+        error: 'Not authenticated',
+        code: 'NOT_AUTHENTICATED'
+      });
+    }
+
+    res.json({
+      user: {
+        isAdmin: req.user.isAdmin,
+        permissions: req.user.permissions,
+        loginTime: req.user.loginTime
+      }
+    });
+  });
+
+  /**
+   * POST /auth/logout
+   * Logout (token is invalidated on client side)
+   */
+  router.post('/logout', (req, res) => {
+    res.json({
+      success: true,
+      message: 'Logged out successfully'
+    });
+  });
+
+  return router;
+}