From 4aa0e25f4c5c394d49727e6aaba89c0b3405c927 Mon Sep 17 00:00:00 2001
From: Daniel Supernault <danielsupernault@gmail.com>
Date: Fri, 8 Mar 2024 06:44:02 -0700
Subject: [PATCH] Update commands, add user account delete cli command to
 federate account deletion

---
 app/Console/Commands/UserAccountDelete.php | 123 +++++++++++++++++++++
 1 file changed, 123 insertions(+)
 create mode 100644 app/Console/Commands/UserAccountDelete.php

diff --git a/app/Console/Commands/UserAccountDelete.php b/app/Console/Commands/UserAccountDelete.php
new file mode 100644
index 000000000..68fad1e92
--- /dev/null
+++ b/app/Console/Commands/UserAccountDelete.php
@@ -0,0 +1,123 @@
+<?php
+
+namespace App\Console\Commands;
+
+use App\Instance;
+use App\Profile;
+use App\Transformer\ActivityPub\Verb\DeleteActor;
+use App\User;
+use App\Util\ActivityPub\HttpSignature;
+use GuzzleHttp\Client;
+use GuzzleHttp\Pool;
+use Illuminate\Console\Command;
+use League\Fractal;
+use League\Fractal\Serializer\ArraySerializer;
+
+use function Laravel\Prompts\confirm;
+use function Laravel\Prompts\search;
+use function Laravel\Prompts\table;
+
+class UserAccountDelete extends Command
+{
+    /**
+     * The name and signature of the console command.
+     *
+     * @var string
+     */
+    protected $signature = 'app:user-account-delete';
+
+    /**
+     * The console command description.
+     *
+     * @var string
+     */
+    protected $description = 'Federate Account Deletion';
+
+    /**
+     * Execute the console command.
+     */
+    public function handle()
+    {
+        $id = search(
+            label: 'Search for the account to delete by username',
+            placeholder: 'john.appleseed',
+            options: fn (string $value) => strlen($value) > 0
+                ? User::withTrashed()->whereStatus('deleted')->where('username', 'like', "%{$value}%")->pluck('username', 'id')->all()
+                : [],
+        );
+
+        $user = User::withTrashed()->find($id);
+
+        table(
+            ['Username', 'Name', 'Email', 'Created'],
+            [[$user->username, $user->name, $user->email, $user->created_at]]
+        );
+
+        $confirmed = confirm(
+            label: 'Do you want to federate this account deletion?',
+            default: false,
+            yes: 'Proceed',
+            no: 'Cancel',
+            hint: 'This action is irreversible'
+        );
+
+        if (! $confirmed) {
+            $this->error('Aborting...');
+            exit;
+        }
+
+        $profile = Profile::withTrashed()->find($user->profile_id);
+
+        $fractal = new Fractal\Manager();
+        $fractal->setSerializer(new ArraySerializer());
+        $resource = new Fractal\Resource\Item($profile, new DeleteActor());
+        $activity = $fractal->createData($resource)->toArray();
+
+        $audience = Instance::whereNotNull(['shared_inbox', 'nodeinfo_last_fetched'])
+            ->where('nodeinfo_last_fetched', '>', now()->subHours(12))
+            ->distinct()
+            ->pluck('shared_inbox');
+
+        $payload = json_encode($activity);
+
+        $client = new Client([
+            'timeout' => 10,
+        ]);
+
+        $version = config('pixelfed.version');
+        $appUrl = config('app.url');
+        $userAgent = "(Pixelfed/{$version}; +{$appUrl})";
+
+        $requests = function ($audience) use ($client, $activity, $profile, $payload, $userAgent) {
+            foreach ($audience as $url) {
+                $headers = HttpSignature::sign($profile, $url, $activity, [
+                    'Content-Type' => 'application/ld+json; profile="https://www.w3.org/ns/activitystreams"',
+                    'User-Agent' => $userAgent,
+                ]);
+                yield function () use ($client, $url, $headers, $payload) {
+                    return $client->postAsync($url, [
+                        'curl' => [
+                            CURLOPT_HTTPHEADER => $headers,
+                            CURLOPT_POSTFIELDS => $payload,
+                            CURLOPT_HEADER => true,
+                            CURLOPT_SSL_VERIFYPEER => false,
+                            CURLOPT_SSL_VERIFYHOST => false,
+                        ],
+                    ]);
+                };
+            }
+        };
+
+        $pool = new Pool($client, $requests($audience), [
+            'concurrency' => 50,
+            'fulfilled' => function ($response, $index) {
+            },
+            'rejected' => function ($reason, $index) {
+            },
+        ]);
+
+        $promise = $pool->promise();
+
+        $promise->wait();
+    }
+}