Initial commit

app/api/auth/refresh/route.ts

@@ -0,0 +1,75 @@
+import { NextRequest, NextResponse } from 'next/server';
+import { generateAccessToken, generateRefreshToken, verifyRefreshToken } from '@/lib/auth/utils';
+
+export async function POST(request: NextRequest) {
+  try {
+    // Get refresh token from cookie or body
+    let refreshToken: string | undefined;
+
+    const cookieToken = request.cookies.get('refresh_token')?.value;
+    if (cookieToken) {
+      refreshToken = cookieToken;
+    } else {
+      try {
+        const body = await request.json();
+        refreshToken = body.refreshToken;
+      } catch {
+        // No body or invalid JSON, continue without it
+        refreshToken = undefined;
+      }
+    }
+
+    if (!refreshToken) {
+      return NextResponse.json(
+        { error: 'No refresh token provided' },
+        { status: 401 }
+      );
+    }
+
+    // Verify refresh token
+    const payload = verifyRefreshToken(refreshToken);
+    if (!payload) {
+      return NextResponse.json(
+        { error: 'Invalid or expired refresh token' },
+        { status: 401 }
+      );
+    }
+
+    // Generate new tokens
+    const newAccessToken = generateAccessToken(payload.username);
+    const newRefreshToken = generateRefreshToken(payload.username);
+
+    // Create response
+    const response = NextResponse.json({
+      success: true,
+      accessToken: newAccessToken,
+      refreshToken: newRefreshToken,
+    });
+
+    // Set new cookies
+    const cookieOptions = {
+      httpOnly: true,
+      secure: process.env.NODE_ENV === 'production',
+      sameSite: 'lax' as const,
+      path: '/',
+    };
+
+    response.cookies.set('access_token', newAccessToken, {
+      ...cookieOptions,
+      maxAge: 72 * 60 * 60, // 72 hours
+    });
+
+    response.cookies.set('refresh_token', newRefreshToken, {
+      ...cookieOptions,
+      maxAge: 30 * 24 * 60 * 60, // 30 days
+    });
+
+    return response;
+  } catch (error) {
+    console.error('Refresh error:', error);
+    return NextResponse.json(
+      { error: 'Token refresh failed' },
+      { status: 500 }
+    );
+  }
+}