[10.x] Add --generate-secret option to Artisan down command. (#49171)

* Add option to Artisan `down` command to generate a secret phrase.

* Revise sentence.

* Use `Str::random()` helper instead.

* Rename `getSecretPhrase()` to `getSecret()`.

* Fix spelling.

* Move import statement.

* formatting

---------

Co-authored-by: Taylor Otwell <[email protected]>

Author: jj15asmr

src/Illuminate/Foundation/Console/DownCommand.php

@@ -7,6 +7,7 @@
 use Illuminate\Console\Command;
 use Illuminate\Foundation\Events\MaintenanceModeEnabled;
 use Illuminate\Foundation\Exceptions\RegisterErrorViewPaths;
+use Illuminate\Support\Str;
 use Symfony\Component\Console\Attribute\AsCommand;
 use Throwable;
 
@@ -23,6 +24,7 @@ class DownCommand extends Command
                                  {--retry= : The number of seconds after which the request may be retried}
                                  {--refresh= : The number of seconds after which the browser may refresh}
                                  {--secret= : The secret phrase that may be used to bypass maintenance mode}
+                                 {--with-secret : Generate a random secret phrase that may be used to bypass maintenance mode}
                                  {--status=503 : The status code that should be used when returning the maintenance mode response}';
 
     /**
@@ -46,7 +48,9 @@ public function handle()
                 return 0;
             }
 
-            $this->laravel->maintenanceMode()->activate($this->getDownFilePayload());
+            $downFilePayload = $this->getDownFilePayload();
+
+            $this->laravel->maintenanceMode()->activate($downFilePayload);
 
             file_put_contents(
                 storage_path('framework/maintenance.php'),
@@ -56,6 +60,10 @@ public function handle()
             $this->laravel->get('events')->dispatch(new MaintenanceModeEnabled());
 
             $this->components->info('Application is now in maintenance mode.');
+
+            if ($downFilePayload['secret'] !== null) {
+                $this->components->info("You may bypass maintenance mode via [".config('app.url')."/{$downFilePayload['secret']}].");
+            }
         } catch (Exception $e) {
             $this->components->error(sprintf(
                 'Failed to enter maintenance mode: %s.',
@@ -78,7 +86,7 @@ protected function getDownFilePayload()
             'redirect' => $this->redirectPath(),
             'retry' => $this->getRetryTime(),
             'refresh' => $this->option('refresh'),
-            'secret' => $this->option('secret'),
+            'secret' => $this->getSecret(),
             'status' => (int) $this->option('status', 503),
             'template' => $this->option('render') ? $this->prerenderView() : null,
         ];
@@ -137,4 +145,18 @@ protected function getRetryTime()
 
         return is_numeric($retry) && $retry > 0 ? (int) $retry : null;
     }
+
+    /**
+     * Get the secret phrase that may be used to bypass maintenance mode.
+     *
+     * @return string|null
+     */
+    protected function getSecret()
+    {
+        return match (true) {
+            ! is_null($this->option('secret')) => $this->option('secret'),
+            $this->option('with-secret') => Str::random(),
+            default => null,
+        };
+    }
 }