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编辑当前文件:/home/royashxg/www/wp-content/plugins/fluentform/app/Modules/Track/SetupModule.php

<?php

namespace FluentForm\App\Modules\Track;

class SetupModule
{
    public function installPlugin($repoSlug)
    {
        if (!current_user_can('install_plugins')) {
            wp_send_json([
                'message' => __('Sorry! you do not have permission to install plugin', 'fluentform'),
            ], 423);
        }

if ('fluent-smtp' == $repoSlug) {
            $info = $this->installFluentSMTP();
            wp_send_json($info);
        }
    }

private function installFluentSMTP()
    {
        $plugin_id = 'fluent-smtp';
        $plugin = [
            'name'      => 'FluentSMTP',
            'repo-slug' => 'fluent-smtp',
            'file'      => 'fluent-smtp.php',
        ];
        $this->backgroundInstaller($plugin, $plugin_id);

return [
            'is_installed' => defined('FLUENTMAIL'),
            'config_url'   => admin_url('options-general.php?page=fluent-mail#/'),
            'message'      => __('FluentSMTP plugin has been installed and activated successfully', 'fluentform'),
        ];
    }

private function backgroundInstaller($plugin_to_install, $plugin_id)
    {
        if (!empty($plugin_to_install['repo-slug'])) {
            require_once ABSPATH . 'wp-admin/includes/file.php';
            require_once ABSPATH . 'wp-admin/includes/plugin-install.php';
            require_once ABSPATH . 'wp-admin/includes/class-wp-upgrader.php';
            require_once ABSPATH . 'wp-admin/includes/plugin.php';

WP_Filesystem();

$skin = new \Automatic_Upgrader_Skin();
            $upgrader = new \WP_Upgrader($skin);
            $installed_plugins = array_reduce(array_keys(\get_plugins()), [$this, 'associate_plugin_file'], []);
            $plugin_slug = $plugin_to_install['repo-slug'];
            $plugin_file = isset($plugin_to_install['file']) ? $plugin_to_install['file'] : $plugin_slug . '.php';
            $installed = false;
            $activate = false;

// See if the plugin is installed already.
            if (isset($installed_plugins[$plugin_file])) {
                $installed = true;
                $activate = !is_plugin_active($installed_plugins[$plugin_file]);
            }

// Install this thing!
            if (!$installed) {
                // Suppress feedback.
                ob_start();

try {
                    $plugin_information = plugins_api(
                        'plugin_information',
                        [
                            'slug'   => $plugin_slug,
                            'fields' => [
                                'short_description' => false,
                                'sections'          => false,
                                'requires'          => false,
                                'rating'            => false,
                                'ratings'           => false,
                                'downloaded'        => false,
                                'last_updated'      => false,
                                'added'             => false,
                                'tags'              => false,
                                'homepage'          => false,
                                'donate_link'       => false,
                                'author_profile'    => false,
                                'author'            => false,
                            ],
                        ]
                    );

if (is_wp_error($plugin_information)) {
                        throw new \Exception($plugin_information->get_error_message());
                    }

$package = $plugin_information->download_link;
                    $download = $upgrader->download_package($package);

if (is_wp_error($download)) {
                        throw new \Exception($download->get_error_message());
                    }

$working_dir = $upgrader->unpack_package($download, true);

if (is_wp_error($working_dir)) {
                        throw new \Exception($working_dir->get_error_message());
                    }

$result = $upgrader->install_package(
                        [
                            'source'                      => $working_dir,
                            'destination'                 => WP_PLUGIN_DIR,
                            'clear_destination'           => false,
                            'abort_if_destination_exists' => false,
                            'clear_working'               => true,
                            'hook_extra'                  => [
                                'type'   => 'plugin',
                                'action' => 'install',
                            ],
                        ]
                    );

if (is_wp_error($result)) {
                        throw new \Exception($result->get_error_message());
                    }

$activate = true;
                } catch (\Exception $e) {
                }

// Discard feedback.
                ob_end_clean();
            }

wp_clean_plugins_cache();

// Activate this thing.
            if ($activate) {
                try {
                    $result = activate_plugin($installed ? $installed_plugins[$plugin_file] : $plugin_slug . '/' . $plugin_file);

if (is_wp_error($result)) {
                        throw new \Exception($result->get_error_message());
                    }
                } catch (\Exception $e) {
                }
            }
        }
    }

private function associate_plugin_file($plugins, $key)
    {
        $path = explode('/', $key);
        $filename = end($path);
        $plugins[$filename] = $key;
        return $plugins;
    }
}