From 2d0ebedbbbb656a66bb9f460157d7f6575c4bedc Mon Sep 17 00:00:00 2001
From: Balu Babu <balub997@gmail.com>
Date: Fri, 21 Jul 2023 15:57:53 +0530
Subject: [PATCH] feat: social auth providers can now be conditionally
 provisioned

---
 docker-compose.yml                             |  2 +-
 .../hoppscotch-backend/src/auth/auth.module.ts |  7 ++++---
 packages/hoppscotch-backend/src/auth/helper.ts | 18 +++++++++++++++++-
 packages/hoppscotch-backend/src/errors.ts      |  6 ++++++
 4 files changed, 28 insertions(+), 5 deletions(-)

diff --git a/docker-compose.yml b/docker-compose.yml
index 417b15002..a1afe694f 100644
--- a/docker-compose.yml
+++ b/docker-compose.yml
@@ -10,7 +10,7 @@ services:
     build:
       dockerfile: packages/hoppscotch-backend/Dockerfile
       context: .
-      target: prod
+      target: dev
     env_file:
       - ./.env
     restart: always
diff --git a/packages/hoppscotch-backend/src/auth/auth.module.ts b/packages/hoppscotch-backend/src/auth/auth.module.ts
index 4793c2b85..8585635e8 100644
--- a/packages/hoppscotch-backend/src/auth/auth.module.ts
+++ b/packages/hoppscotch-backend/src/auth/auth.module.ts
@@ -11,6 +11,7 @@ import { RTJwtStrategy } from './strategies/rt-jwt.strategy';
 import { GoogleStrategy } from './strategies/google.strategy';
 import { GithubStrategy } from './strategies/github.strategy';
 import { MicrosoftStrategy } from './strategies/microsoft.strategy';
+import { EmptyClassProvider, authProviderCheck } from './helper';
 
 @Module({
   imports: [
@@ -26,9 +27,9 @@ import { MicrosoftStrategy } from './strategies/microsoft.strategy';
     AuthService,
     JwtStrategy,
     RTJwtStrategy,
-    GoogleStrategy,
-    GithubStrategy,
-    MicrosoftStrategy,
+    authProviderCheck('GOOGLE') ? GoogleStrategy : EmptyClassProvider,
+    authProviderCheck('GITHUB') ? GithubStrategy : EmptyClassProvider,
+    authProviderCheck('MICROSOFT') ? MicrosoftStrategy : EmptyClassProvider,
   ],
   controllers: [AuthController],
 })
diff --git a/packages/hoppscotch-backend/src/auth/helper.ts b/packages/hoppscotch-backend/src/auth/helper.ts
index e10cea0d8..4e9968504 100644
--- a/packages/hoppscotch-backend/src/auth/helper.ts
+++ b/packages/hoppscotch-backend/src/auth/helper.ts
@@ -4,7 +4,7 @@ import { AuthError } from 'src/types/AuthError';
 import { AuthTokens } from 'src/types/AuthTokens';
 import { Response } from 'express';
 import * as cookie from 'cookie';
-import { COOKIES_NOT_FOUND } from 'src/errors';
+import { AUTH_PROVIDER_NOT_SPECIFIED, COOKIES_NOT_FOUND } from 'src/errors';
 
 enum AuthTokenType {
   ACCESS_TOKEN = 'access_token',
@@ -97,3 +97,19 @@ export const subscriptionContextCookieParser = (rawCookies: string) => {
     refresh_token: cookies[AuthTokenType.REFRESH_TOKEN],
   };
 };
+
+export class EmptyClassProvider {}
+
+export function authProviderCheck(provider: string) {
+  if (!provider) {
+    throw new Error(AUTH_PROVIDER_NOT_SPECIFIED);
+  }
+
+  const envVariables = process.env.ALLOWED_AUTH_PROVIDERS.split(',').map(
+    (provider) => provider.trim().toUpperCase(),
+  );
+
+  if (!envVariables.includes(provider.toUpperCase())) return false;
+
+  return true;
+}
diff --git a/packages/hoppscotch-backend/src/errors.ts b/packages/hoppscotch-backend/src/errors.ts
index 2e45d5033..b9599dd4f 100644
--- a/packages/hoppscotch-backend/src/errors.ts
+++ b/packages/hoppscotch-backend/src/errors.ts
@@ -22,6 +22,12 @@ export const AUTH_FAIL = 'auth/fail';
  */
 export const JSON_INVALID = 'json_invalid';
 
+/**
+ * Auth Provider not specified
+ * (Utils)
+ */
+export const AUTH_PROVIDER_NOT_SPECIFIED = 'auth/provider_not_specified';
+
 /**
  * Tried to delete a user data document from fb firestore but failed.
  * (FirebaseService)