HBE-326 feature: server configuration through GraphQL API (#3591)

* feat: restart cmd added in aio service

* feat: nestjs config package added

* test: fix all broken test case

* feat: infra config module add with get-update-reset functionality

* test: fix test case failure

* feat: update infra configs mutation added

* feat: utilise ConfigService in util functions

* chore: remove saml stuff

* feat: removed saml stuffs

* fix: config service precedence

* fix: mailer module init with right env value

* feat: added mutations and query

* feat: add query infra-configs

* fix: mailer module init issue

* chore: smtp url validation added

* fix: all sso disabling is handled

* fix: pnpm i without db connection

* fix: allowedAuthProviders and enableAndDisableSSO

* fix: validateSMTPUrl check

* feat: get api added for fetch provider list

* feat: feedback resolve

* chore: update code comments

* fix: uppercase issue of VITE_ALLOWED_AUTH_PROVIDERS

* chore: update lockfile

* fix: add validation checks for MAILER_ADDRESS_FROM

* test: fix test case

* chore: feedback resolve

* chore: renamed an enum

* chore: app shutdown way changed

---------

Co-authored-by: Andrew Bastin <andrewbastin.k@gmail.com>

packages/hoppscotch-backend/src/auth/auth.controller.ts

@@ -2,7 +2,6 @@ import {
   Body,
   Controller,
   Get,
-  InternalServerErrorException,
   Post,
   Query,
   Request,
@@ -31,11 +30,21 @@ import { MicrosoftSSOGuard } from './guards/microsoft-sso-.guard';
 import { ThrottlerBehindProxyGuard } from 'src/guards/throttler-behind-proxy.guard';
 import { SkipThrottle } from '@nestjs/throttler';
 import { AUTH_PROVIDER_NOT_SPECIFIED } from 'src/errors';
+import { ConfigService } from '@nestjs/config';
 
 @UseGuards(ThrottlerBehindProxyGuard)
 @Controller({ path: 'auth', version: '1' })
 export class AuthController {
-  constructor(private authService: AuthService) {}
+  constructor(
+    private authService: AuthService,
+    private configService: ConfigService,
+  ) {}
+
+  @Get('providers')
+  async getAuthProviders() {
+    const providers = await this.authService.getAuthProviders();
+    return { providers };
+  }
 
   /**
    ** Route to initiate magic-link auth for a users email
@@ -45,8 +54,14 @@ export class AuthController {
     @Body() authData: SignInMagicDto,
     @Query('origin') origin: string,
   ) {
-    if (!authProviderCheck(AuthProvider.EMAIL))
+    if (
+      !authProviderCheck(
+        AuthProvider.EMAIL,
+        this.configService.get('INFRA.VITE_ALLOWED_AUTH_PROVIDERS'),
+      )
+    ) {
       throwHTTPErr({ message: AUTH_PROVIDER_NOT_SPECIFIED, statusCode: 404 });
+    }
 
     const deviceIdToken = await this.authService.signInMagicLink(
       authData.email,