Add VKontakte OAuth provider support

ospabhost/backend/src/modules/auth/oauth.routes.ts

@@ -51,4 +51,17 @@ router.get(
   }
 );
 
+// VKontakte OAuth
+router.get('/vkontakte', passport.authenticate('vkontakte', { scope: ['email'] }));
+
+router.get(
+  '/vkontakte/callback',
+  passport.authenticate('vkontakte', { session: false, failureRedirect: `${FRONTEND_URL}/login?error=auth_failed` }),
+  (req: Request, res: Response) => {
+    const user = req.user as AuthenticatedUser;
+    const token = jwt.sign({ id: user.id }, JWT_SECRET, { expiresIn: '24h' });
+    res.redirect(`${FRONTEND_URL}/login?token=${token}`);
+  }
+);
+
 export default router;

ospabhost/backend/src/modules/auth/passport.config.ts

@@ -5,6 +5,7 @@ import passport from 'passport';
 import { Strategy as GoogleStrategy } from 'passport-google-oauth20';
 import { Strategy as GitHubStrategy } from 'passport-github';
 import { Strategy as YandexStrategy } from 'passport-yandex';
+import { Strategy as VKontakteStrategy } from 'passport-vkontakte';
 import { prisma } from '../../prisma/client';
 const JWT_SECRET = process.env.JWT_SECRET || 'your_super_secret_key';
 const OAUTH_CALLBACK_URL = process.env.OAUTH_CALLBACK_URL || 'https://api.ospab.host/api/auth';
@@ -122,6 +123,42 @@ if (process.env.YANDEX_CLIENT_ID && process.env.YANDEX_CLIENT_SECRET) {
   );
 }
 
+// VKontakte OAuth
+if (process.env.VK_CLIENT_ID && process.env.VK_CLIENT_SECRET) {
+  passport.use(
+    new VKontakteStrategy(
+      {
+        clientID: process.env.VK_CLIENT_ID,
+        clientSecret: process.env.VK_CLIENT_SECRET,
+        callbackURL: `${OAUTH_CALLBACK_URL}/vkontakte/callback`,
+        profileFields: ['email', 'city', 'bdate']
+      },
+      async (accessToken: string, refreshToken: string, params: any, profile: any, done: any) => {
+        try {
+          // VK возвращает email в params, а не в profile
+          const email = params.email || profile.emails?.[0]?.value;
+          
+          if (!email) {
+            throw new Error('Email не предоставлен ВКонтакте. Убедитесь, что вы разрешили доступ к email.');
+          }
+
+          const oauthProfile: OAuthProfile = {
+            id: profile.id,
+            displayName: profile.displayName || `${profile.name?.givenName || ''} ${profile.name?.familyName || ''}`.trim(),
+            emails: [{ value: email }],
+            provider: 'vkontakte'
+          };
+
+          const user = await findOrCreateUser(oauthProfile);
+          return done(null, user);
+        } catch (error) {
+          return done(error as Error);
+        }
+      }
+    )
+  );
+}
+
 
 passport.serializeUser((user: any, done) => {
   done(null, user.id);