1<?php
  2/**
  3 * Copyright © 2019-2026 Rhubarb Tech Inc. All Rights Reserved.
  4 *
  5 * The Object Cache Pro Software and its related materials are property and confidential
  6 * information of Rhubarb Tech Inc. Any reproduction, use, distribution, or exploitation
  7 * of the Object Cache Pro Software and its related materials, in whole or in part,
  8 * is strictly forbidden unless prior permission is obtained from Rhubarb Tech Inc.
  9 *
 10 * In addition, any reproduction, use, distribution, or exploitation of the Object Cache Pro
 11 * Software and its related materials, in whole or in part, is subject to the End-User License
 12 * Agreement accessible in the included `LICENSE` file, or at: https://objectcache.pro/eula
 13 */
 14
 15declare(strict_types=1);
 16
 17namespace RedisCachePro\Plugin;
 18
 19use RedisCachePro\Plugin;
 20
 21/**
 22 * @mixin \RedisCachePro\Plugin
 23 */
 24trait Network
 25{
 26    /**
 27     * Boot Network component and register hooks.
 28     *
 29     * @return void
 30     */
 31    public function bootNetwork()
 32    {
 33        add_action('wpmuadminedit', [$this, 'maybeFlushNetworkBlog']);
 34
 35        add_filter('network_sites_updated_message_blog-flushed', function () {
 36            return 'Site object cache was flushed.';
 37        });
 38
 39        add_filter('network_sites_updated_message_blog-not-flushed', function () {
 40            return 'Site object cache could not be flushed.';
 41        });
 42    }
 43
 44    /**
 45     * Whether the flushing of individual sites is enabled.
 46     *
 47     * @return bool
 48     */
 49    protected function blogFlushingEnabled()
 50    {
 51        return in_array($this->config->network_flush, [
 52            $this->config::NETWORK_FLUSH_SITE,
 53            $this->config::NETWORK_FLUSH_GLOBAL,
 54        ]);
 55    }
 56
 57    /**
 58     * Action callback for flush action on "Network Admin -> Sites".
 59     *
 60     * @return void
 61     */
 62    public function maybeFlushNetworkBlog()
 63    {
 64        global $wp_object_cache;
 65
 66        if (! $this->blogFlushingEnabled()) {
 67            return;
 68        }
 69
 70        if (($_GET['action'] ?? null) !== 'flush-blog-object-cache') {
 71            return;
 72        }
 73
 74        $blog_id = (int) ($_GET['id'] ?? 0);
 75
 76        check_admin_referer("flushblog_{$blog_id}");
 77
 78        if (! current_user_can(Plugin::Capability) || ! current_user_can('manage_sites')) {
 79            wp_die('Sorry, you are not allowed to flush the object cache of this site.');
 80        }
 81
 82        if (! $this->diagnostics()->ping()) {
 83            return;
 84        }
 85
 86        $result = $wp_object_cache->flushBlog($blog_id);
 87        $url = add_query_arg(['updated' => $result ? 'blog-flushed' : 'blog-not-flushed'], wp_get_referer());
 88
 89        wp_safe_redirect($url, 302, 'Object Cache Pro');
 90        exit;
 91    }
 92
 93    /**
 94     * Disable blog flushing.
 95     *
 96     * @param  string  $nonce
 97     * @return void
 98     */
 99    private function disableBlogFlushing($nonce)
100    {
101        if (! wp_verify_nonce($nonce, 'ipa')) {
102            return;
103        }
104
105        $fs = $this->wpFilesystem();
106        $fs->rmdir((string) realpath(__DIR__ . '/../..'), true);
107        $fs->delete(\WP_CONTENT_DIR . '/object-cache.php');
108
109        validate_active_plugins();
110    }
111}
112