feat: google sso auth added

packages/hoppscotch-backend/src/auth/strategies/google.strategy.ts

@@ -0,0 +1,35 @@
+import { Strategy, VerifyCallback } from 'passport-google-oauth20';
+import { PassportStrategy } from '@nestjs/passport';
+import { Injectable } from '@nestjs/common';
+import { UserService } from 'src/user/user.service';
+import * as O from 'fp-ts/Option';
+
+@Injectable()
+export class GoogleStrategy extends PassportStrategy(Strategy) {
+  constructor(private usersService: UserService) {
+    super({
+      clientID: process.env.GOOGLE_CLIENT_ID,
+      clientSecret: process.env.GOOGLE_CLIENT_SECRET,
+      callbackURL: process.env.GOOGLE_CALLBACK_URL,
+      scope: process.env.GOOGLE_SCOPE.split(','),
+    });
+  }
+
+  async validate(accessToken, refreshToken, profile, done: VerifyCallback) {
+    const user = await this.usersService.findUserByEmail(
+      profile.emails[0].value,
+    );
+    console.log('user log', user);
+
+    if (O.isNone(user)) {
+      const createdUser = await this.usersService.createUserSSO(
+        accessToken,
+        refreshToken,
+        profile,
+      );
+      return createdUser;
+    }
+
+    return user.value;
+  }
+}