Added license management module

app/Console/Commands/GenerateLicenseKeysCommand.php

@@ -0,0 +1,55 @@
+<?php
+
+namespace App\Console\Commands;
+
+use Illuminate\Console\Command;
+use Illuminate\Support\Facades\Storage;
+
+class GenerateLicenseKeysCommand extends Command
+{
+    protected $signature = 'license:generate-keys {--force : Overwrite existing key pair}';
+
+    protected $description = 'Generate a new application-wide license signing key pair.';
+
+    public function handle(): int
+    {
+        $directory = 'license-keys';
+        $privateKeyPath = $directory . '/private.pem';
+        $publicKeyPath = $directory . '/public.pem';
+        $disk = Storage::disk('local');
+
+        $privateExists = $disk->exists($privateKeyPath);
+        $publicExists = $disk->exists($publicKeyPath);
+
+        if (($privateExists || $publicExists) && !$this->option('force')) {
+            $this->error('Key pair already exists. Use --force to overwrite.');
+            return 1;
+        }
+
+        $keyPair = $this->generateKeyPair();
+        $disk->put($privateKeyPath, $keyPair['privateKey']);
+        $disk->put($publicKeyPath, $keyPair['publicKey']);
+
+        $this->info('Generated application license key pair.');
+        $this->line('Private key: ' . $privateKeyPath);
+        $this->line('Public key: ' . $publicKeyPath);
+
+        return 0;
+    }
+
+    protected function generateKeyPair(): array
+    {
+        $privateKey = openssl_pkey_new([
+            'private_key_bits' => 2048,
+            'private_key_type' => OPENSSL_KEYTYPE_RSA,
+        ]);
+
+        openssl_pkey_export($privateKey, $privateKeyPem);
+        $publicKeyDetails = openssl_pkey_get_details($privateKey);
+
+        return [
+            'privateKey' => $privateKeyPem,
+            'publicKey' => $publicKeyDetails['key'],
+        ];
+    }
+}

app/Console/Kernel.php

@@ -15,6 +15,7 @@ class Kernel extends ConsoleKernel
     protected $commands = [
         \App\Console\Commands\CaldavSyncCommand::class,
         \App\Console\Commands\CheckInvoiceDueDatesCommand::class,
+        \App\Console\Commands\GenerateLicenseKeysCommand::class,
     ];
 
     /**