pixelfed/app/Util/Sentiment/Bouncer.php

<?php

namespace App\Util\Sentiment;

use App\Jobs\ReportPipeline\AutospamNotifyAdminViaEmail;
use App\Models\AccountInterstitial;
use App\Models\Status;
use App\Services\AutospamService;
use App\Services\NotificationService;
use App\Services\StatusService;
use Illuminate\Support\Facades\Cache;
use Illuminate\Support\Str;

class Bouncer
{
    public static function get(Status $status)
    {
        if ($status->uri || $status->scope != 'public') {
            return;
        }

        if ($status->profile->user->is_admin == true) {
            return;
        }

        $exemptionKey = 'pf:bouncer_v0:exemption_by_pid:'.$status->profile_id;
        $exemptionTtl = now()->addDays(12);

        if ($status->in_reply_to_id != null &&
            $status->in_reply_to_profile_id == $status->profile_id
        ) {
            return;
        }

        $exemption = Cache::remember($exemptionKey, $exemptionTtl, function () use ($status) {
            $uid = $status->profile->user_id;
            $ids = AccountInterstitial::whereUserId($uid)
                ->whereType('post.autospam')
                ->whereItemType(Status::class)
                ->whereNotNull('appeal_handled_at')
                ->latest()
                ->take(5)
                ->pluck('item_id');

            if ($ids->count() == 0) {
                return false;
            }

            $count = Status::whereScope('public')
                ->whereIn('id', $ids)
                ->count();

            return $count >= 1;
        });

        if ($exemption == true) {
            return;
        }

        if ($status->profile->created_at->gt(now()->subMonths(6)) &&
            $status->profile->bio &&
            $status->profile->website
        ) {
            return (new self)->handle($status);
        }

        $recentKey = 'pf:bouncer_v0:recent_by_pid:'.$status->profile_id;
        $recentTtl = now()->addHours(28);

        $recent = Cache::remember($recentKey, $recentTtl, function () use ($status) {
            return $status
                ->profile
                ->created_at
                ->gt(now()->subMonths(6)) ||
            $status
                ->profile
                ->statuses()
                ->whereScope('public')
                ->count() == 0;
        });

        if (! $recent) {
            return;
        }

        if ($status->profile->followers()->count() > 100) {
            return;
        }

        if (AutospamService::active()) {
            if (AutospamService::check($status->caption)) {
                return (new self)->handle($status);
            }
        }

        if (! Str::contains($status->caption, [
            'https://',
            'http://',
            'hxxps://',
            'hxxp://',
            'www.',
            '.com',
            '.net',
            '.org',
        ])) {
            return;
        }

        return (new self)->handle($status);
    }

    protected function handle($status)
    {
        $ai = AccountInterstitial::createFromStatus($status, 'post.autospam', 'account.moderation.post.autospam');

        if (config('instance.reports.email.enabled') && config('instance.reports.email.autospam')) {
            AutospamNotifyAdminViaEmail::dispatch($ai);
        }

        $u = $status->profile->user;
        $u->has_interstitial = true;
        $u->save();

        $status->scope = 'unlisted';
        $status->visibility = 'unlisted';
        // $status->is_nsfw = true;
        $status->save();

        NotificationService::createNotification($status->profile_id, $status->profile_id, 'autospam.warning', $status->id, Status::class);

        StatusService::del($status->id);

        Cache::forget('pf:bouncer_v0:exemption_by_pid:'.$status->profile_id);
        Cache::forget('pf:bouncer_v0:recent_by_pid:'.$status->profile_id);
    }
}