feat: github login added

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

@@ -0,0 +1,49 @@
+import { Strategy } from 'passport-github2';
+import { PassportStrategy } from '@nestjs/passport';
+import { Injectable, UnauthorizedException } from '@nestjs/common';
+import { AuthService } from '../auth.service';
+import { UserService } from 'src/user/user.service';
+import * as O from 'fp-ts/Option';
+
+@Injectable()
+export class GithubStrategy extends PassportStrategy(Strategy) {
+  constructor(
+    private authService: AuthService,
+    private usersService: UserService,
+  ) {
+    super({
+      clientID: process.env.GITHUB_CLIENT_ID,
+      clientSecret: process.env.GITHUB_CLIENT_SECRET,
+      callbackURL: process.env.GITHUB_CALLBACK_URL,
+    });
+  }
+
+  async validate(accessToken, refreshToken, profile, done): Promise<any> {
+    const user = await this.usersService.findUserByEmail(
+      profile.emails[0].value,
+    );
+
+    if (O.isNone(user)) {
+      const createdUser = await this.usersService.createUserSSO(
+        accessToken,
+        refreshToken,
+        profile,
+      );
+      return createdUser;
+    }
+
+    // Check to see if entry for github is present in the Account table for this user
+    const providerAccountExists =
+      await this.authService.checkIfProviderAccountExists(user.value, profile);
+
+    if (O.isNone(providerAccountExists))
+      await this.usersService.createProviderAccount(
+        user.value,
+        accessToken,
+        refreshToken,
+        profile,
+      );
+
+    return user.value;
+  }
+}