Add option to switch authentication guards

src/BaseServiceProvider.php

@@ -3,6 +3,7 @@
 namespace Backpack\Base;
 
 use Illuminate\Routing\Router;
+use Illuminate\Support\Facades\View;
 use Illuminate\Support\ServiceProvider;
 use Route;
 
@@ -28,6 +29,8 @@ public function boot(\Illuminate\Routing\Router $router)
         // - then the stock views that come with the package, in case a published view might be missing
         $this->loadViewsFrom(realpath(__DIR__.'/resources/views'), 'backpack');
 
+        View::composer('backpack::*', \Backpack\Base\app\Http\ViewComposers\AuthComposer::class);
+
         $this->loadTranslationsFrom(realpath(__DIR__.'/resources/lang'), 'backpack');
 
         // use the vendor configuration file as fallback

src/app/Http/Controllers/Auth/ForgotPasswordController.php

@@ -4,6 +4,7 @@
 
 use Backpack\Base\app\Http\Controllers\Controller;
 use Illuminate\Foundation\Auth\SendsPasswordResetEmails;
+use Illuminate\Support\Facades\Password;
 
 class ForgotPasswordController extends Controller
 {
@@ -29,7 +30,10 @@ class ForgotPasswordController extends Controller
      */
     public function __construct()
     {
-        $this->middleware('guest');
+        $guard = config('backpack.base.guard')
+            ?: config('auth.defaults.guard');
+
+        $this->middleware("guest:$guard");
     }
 
     // -------------------------------------------------------
@@ -47,4 +51,12 @@ public function showLinkRequestForm()
 
         return view('backpack::auth.passwords.email', $this->data);
     }
+
+    public function broker()
+    {
+        $passwords = config('backpack.base.passwords')
+            ?: config('auth.defaults.passwords');
+
+        return Password::broker($passwords);
+    }
 }

src/app/Http/Controllers/Auth/LoginController.php

@@ -2,6 +2,7 @@
 
 namespace Backpack\Base\app\Http\Controllers\Auth;
 
+use Auth;
 use Backpack\Base\app\Http\Controllers\Controller;
 use Illuminate\Foundation\Auth\AuthenticatesUsers;
 use Illuminate\Http\Request;
@@ -31,7 +32,10 @@ class LoginController extends Controller
      */
     public function __construct()
     {
-        $this->middleware('guest', ['except' => 'logout']);
+        $guard = config('backpack.base.guard')
+            ?: config('auth.defaults.guard');
+
+        $this->middleware("guest:$guard", ['except' => 'logout']);
 
         // ----------------------------------
         // Use the admin prefix in all routes
@@ -81,4 +85,12 @@ public function logout(Request $request)
         // And redirect to custom location
         return redirect($this->redirectAfterLogout);
     }
+
+    protected function guard()
+    {
+        $guard = config('backpack.base.guard')
+            ?: config('auth.defaults.guard');
+
+        return Auth::guard($guard);
+    }
 }

src/app/Http/Controllers/Auth/RegisterController.php

@@ -2,6 +2,7 @@
 
 namespace Backpack\Base\app\Http\Controllers\Auth;
 
+use Auth;
 use Backpack\Base\app\Http\Controllers\Controller;
 use Illuminate\Foundation\Auth\RegistersUsers;
 use Illuminate\Http\Request;
@@ -30,7 +31,10 @@ class RegisterController extends Controller
      */
     public function __construct()
     {
-        $this->middleware('guest');
+        $guard = config('backpack.base.guard')
+            ?: config('auth.defaults.guard');
+
+        $this->middleware("guest:$guard");
 
         // Where to redirect users after login / registration.
         $this->redirectTo = property_exists($this, 'redirectTo') ? $this->redirectTo
@@ -113,4 +117,12 @@ public function register(Request $request)
 
         return redirect($this->redirectPath());
     }
+
+    protected function guard()
+    {
+        $guard = config('backpack.base.guard')
+            ?: config('auth.defaults.guard');
+
+        return Auth::guard($guard);
+    }
 }

src/app/Http/Controllers/Auth/ResetPasswordController.php

@@ -2,9 +2,11 @@
 
 namespace Backpack\Base\app\Http\Controllers\Auth;
 
+use Auth;
 use Backpack\Base\app\Http\Controllers\Controller;
 use Illuminate\Foundation\Auth\ResetsPasswords;
 use Illuminate\Http\Request;
+use Illuminate\Support\Facades\Password;
 
 class ResetPasswordController extends Controller
 {
@@ -30,7 +32,10 @@ class ResetPasswordController extends Controller
      */
     public function __construct()
     {
-        $this->middleware('guest');
+        $guard = config('backpack.base.guard')
+            ?: config('auth.defaults.guard');
+
+        $this->middleware("guest:$guard");
 
         // where to redirect after password was reset
         $this->redirectTo = property_exists($this, 'redirectTo') ? $this->redirectTo : config('backpack.base.route_prefix', 'admin').'/dashboard';
@@ -58,4 +63,20 @@ public function showResetForm(Request $request, $token = null)
             ['token' => $token, 'email' => $request->email]
         );
     }
+
+    public function broker()
+    {
+        $passwords = config('backpack.base.passwords')
+            ?: config('auth.defaults.passwords');
+
+        return Password::broker($passwords);
+    }
+
+    protected function guard()
+    {
+        $guard = config('backpack.base.guard')
+            ?: config('auth.defaults.guard');
+
+        return Auth::guard($guard);
+    }
 }

src/app/Http/Middleware/Admin.php

@@ -12,12 +12,14 @@ class Admin
      *
      * @param \Illuminate\Http\Request $request
      * @param \Closure                 $next
-     * @param string|null              $guard
      *
      * @return mixed
      */
-    public function handle($request, Closure $next, $guard = null)
+    public function handle($request, Closure $next)
     {
+        $guard = config('backpack.base.guard')
+            ?: config('auth.defaults.guard');
+
         if (Auth::guard($guard)->guest()) {
             if ($request->ajax() || $request->wantsJson()) {
                 return response(trans('backpack::base.unauthorized'), 401);

src/app/Http/ViewComposers/AuthComposer.php

@@ -0,0 +1,19 @@
+<?php
+
+namespace Backpack\Base\app\Http\ViewComposers;
+
+use Illuminate\Support\Facades\Auth;
+use Illuminate\View\View;
+
+class AuthComposer
+{
+    public function compose(View $view)
+    {
+        $guard = config('backpack.base.guard')
+            ?: config('auth.defaults.guard');
+
+        $view->with([
+            'backpackAuth' => Auth::guard($guard),
+        ]);
+    }
+}

src/config/backpack/base.php

@@ -68,11 +68,19 @@
 
     /*
     |--------------------------------------------------------------------------
-    | User Model
+    | Authentication
     |--------------------------------------------------------------------------
     */
 
     // Fully qualified namespace of the User model
     'user_model_fqn' => '\App\User',
 
+    // The guard that protects the Backpack admin panel. The default guard will
+    // be used if this is null.
+    'guard' => null,
+
+    // The password reset configuration for Backpack. The default configuration
+    // will be used if this is null.
+    'passwords' => null,
+
 ];

src/resources/views/inc/menu.blade.php

@@ -19,7 +19,7 @@
 
       <!-- <li><a href="{{ url('/') }}"><i class="fa fa-home"></i> <span>Home</span></a></li> -->
 
-        @if (Auth::guest())
+        @if ($backpackAuth->guest())
             <li><a href="{{ url(config('backpack.base.route_prefix', 'admin').'/login') }}">{{ trans('backpack::base.login') }}</a></li>
             @if (config('backpack.base.registration_open'))
             <li><a href="{{ url(config('backpack.base.route_prefix', 'admin').'/register') }}">{{ trans('backpack::base.register') }}</a></li>

src/resources/views/inc/sidebar.blade.php

@@ -1,15 +1,15 @@
-@if (Auth::check())
+@if ($backpackAuth->check())
     <!-- Left side column. contains the sidebar -->
     <aside class="main-sidebar">
       <!-- sidebar: style can be found in sidebar.less -->
       <section class="sidebar">
         <!-- Sidebar user panel -->
         <div class="user-panel">
           <div class="pull-left image">
-            <img src="https://placehold.it/160x160/00a65a/ffffff/&text={{ mb_substr(Auth::user()->name, 0, 1) }}" class="img-circle" alt="User Image">
+            <img src="https://placehold.it/160x160/00a65a/ffffff/&text={{ mb_substr($backpackAuth->user()->name, 0, 1) }}" class="img-circle" alt="User Image">
           </div>
           <div class="pull-left info">
-            <p>{{ Auth::user()->name }}</p>
+            <p>{{ $backpackAuth->user()->name }}</p>
             <a href="#"><i class="fa fa-circle text-success"></i> Online</a>
           </div>
         </div>