[9.x] Move maintenance mode logic

src/Illuminate/Contracts/Foundation/Application.php

@@ -83,6 +83,13 @@ public function runningInConsole();
      */
     public function runningUnitTests();
 
+    /**
+     * Get an instance of the maintenance mode manager implementation.
+     *
+     * @return \Illuminate\Contracts\Foundation\MaintenanceMode
+     */
+    public function maintenanceMode();
+
     /**
      * Determine if the application is currently down for maintenance.
      *

src/Illuminate/Contracts/Foundation/MaintenanceMode.php

@@ -0,0 +1,35 @@
+<?php
+
+namespace Illuminate\Contracts\Foundation;
+
+interface MaintenanceMode
+{
+    /**
+     * Take the application down for maintenance.
+     *
+     * @param  array  $payload
+     * @return void
+     */
+    public function activate(array $payload): void;
+
+    /**
+     * Take the application out of maintenance.
+     *
+     * @return void
+     */
+    public function deactivate(): void;
+
+    /**
+     * Determine if the application is currently down for maintenance.
+     *
+     * @return bool
+     */
+    public function active(): bool;
+
+    /**
+     * Get the data array which was provided when the application was placed into maintenance.
+     *
+     * @return array
+     */
+    public function data(): array;
+}

src/Illuminate/Foundation/Application.php

@@ -7,6 +7,7 @@
 use Illuminate\Contracts\Foundation\Application as ApplicationContract;
 use Illuminate\Contracts\Foundation\CachesConfiguration;
 use Illuminate\Contracts\Foundation\CachesRoutes;
+use Illuminate\Contracts\Foundation\MaintenanceMode as MaintenanceModeContract;
 use Illuminate\Contracts\Http\Kernel as HttpKernelContract;
 use Illuminate\Events\EventServiceProvider;
 use Illuminate\Filesystem\Filesystem;
@@ -1105,14 +1106,24 @@ public function addAbsoluteCachePathPrefix($prefix)
         return $this;
     }
 
+    /**
+     * Get an instance of the maintenance mode manager implementation.
+     *
+     * @return \Illuminate\Contracts\Foundation\MaintenanceMode
+     */
+    public function maintenanceMode()
+    {
+        return $this->make(MaintenanceModeContract::class);
+    }
+
     /**
      * Determine if the application is currently down for maintenance.
      *
      * @return bool
      */
     public function isDownForMaintenance()
     {
-        return file_exists($this->storagePath().'/framework/down');
+        return $this->maintenanceMode()->active();
     }
 
     /**

src/Illuminate/Foundation/Console/DownCommand.php

@@ -47,16 +47,13 @@ class DownCommand extends Command
     public function handle()
     {
         try {
-            if (is_file(storage_path('framework/down'))) {
+            if ($this->laravel->maintenanceMode()->active()) {
                 $this->comment('Application is already down.');
 
                 return 0;
             }
 
-            file_put_contents(
-                storage_path('framework/down'),
-                json_encode($this->getDownFilePayload(), JSON_PRETTY_PRINT)
-            );
+            $this->laravel->maintenanceMode()->activate($this->getDownFilePayload());
 
             file_put_contents(
                 storage_path('framework/maintenance.php'),

src/Illuminate/Foundation/Console/UpCommand.php

@@ -39,13 +39,13 @@ class UpCommand extends Command
     public function handle()
     {
         try {
-            if (! is_file(storage_path('framework/down'))) {
+            if (! $this->laravel->maintenanceMode()->active()) {
                 $this->comment('Application is already up.');
 
                 return 0;
             }
 
-            unlink(storage_path('framework/down'));
+            $this->laravel->maintenanceMode()->deactivate();
 
             if (is_file(storage_path('framework/maintenance.php'))) {
                 unlink(storage_path('framework/maintenance.php'));

src/Illuminate/Foundation/FileBasedMaintenanceMode.php

@@ -0,0 +1,64 @@
+<?php
+
+namespace Illuminate\Foundation;
+
+use Illuminate\Contracts\Foundation\MaintenanceMode as MaintenanceModeContract;
+
+class FileBasedMaintenanceMode implements MaintenanceModeContract
+{
+    /**
+     * Take the application down for maintenance.
+     *
+     * @param  array  $payload
+     * @return void
+     */
+    public function activate(array $payload): void
+    {
+        file_put_contents(
+            $this->path(),
+            json_encode($payload, JSON_PRETTY_PRINT)
+        );
+    }
+
+    /**
+     * Take the application out of maintenance.
+     *
+     * @return void
+     */
+    public function deactivate(): void
+    {
+        if ($this->active()) {
+            unlink($this->path());
+        }
+    }
+
+    /**
+     * Determine if the application is currently down for maintenance.
+     *
+     * @return bool
+     */
+    public function active(): bool
+    {
+        return file_exists($this->path());
+    }
+
+    /**
+     * Get the data array which was provided when the application was placed into maintenance.
+     *
+     * @return array
+     */
+    public function data(): array
+    {
+        return json_decode(file_get_contents($this->path()), true);
+    }
+
+    /**
+     * Get the path where the file is stored that signals that the application is down for maintenance.
+     *
+     * @return string
+     */
+    protected function path(): string
+    {
+        return storage_path('framework/down');
+    }
+}

src/Illuminate/Foundation/Http/Middleware/PreventRequestsDuringMaintenance.php

@@ -45,8 +45,8 @@ public function __construct(Application $app)
      */
     public function handle($request, Closure $next)
     {
-        if ($this->app->isDownForMaintenance()) {
-            $data = json_decode(file_get_contents($this->app->storagePath().'/framework/down'), true);
+        if ($this->app->maintenanceMode()->active()) {
+            $data = $this->app->maintenanceMode()->data();
 
             if (isset($data['secret']) && $request->path() === $data['secret']) {
                 return $this->bypassResponse($data['secret']);

src/Illuminate/Foundation/Providers/FoundationServiceProvider.php

@@ -2,6 +2,9 @@
 
 namespace Illuminate\Foundation\Providers;
 
+use Illuminate\Contracts\Foundation\MaintenanceMode as MaintenanceModeContract;
+use Illuminate\Foundation\FileBasedMaintenanceMode;
+use Illuminate\Foundation\MaintenanceMode;
 use Illuminate\Http\Request;
 use Illuminate\Log\Events\MessageLogged;
 use Illuminate\Support\AggregateServiceProvider;
@@ -48,6 +51,7 @@ public function register()
         $this->registerRequestValidation();
         $this->registerRequestSignatureValidation();
         $this->registerExceptionTracking();
+        $this->registerMaintenanceModeManager();
     }
 
     /**
@@ -117,4 +121,14 @@ protected function registerExceptionTracking()
             }
         });
     }
+
+    /**
+     * Register the maintenance mode manager service.
+     *
+     * @return void
+     */
+    public function registerMaintenanceModeManager()
+    {
+        $this->app->bind(MaintenanceModeContract::class, FileBasedMaintenanceMode::class);
+    }
 }