<?php

/**

* Copyright (C) 2015-2019 FeatherBB

* based on code by (C) 2008-2015 FluxBB

* and Rickard Andersson (C) 2002-2008 PunBB

* License: http://www.gnu.org/licenses/gpl.html GPL version 2 or higher

*/

namespace FeatherBB\Model\Admin;

use FeatherBB\Core\AdminUtils;

use FeatherBB\Core\Database as DB;

use FeatherBB\Core\Error;

use FeatherBB\Core\Interfaces\ForumEnv;

use FeatherBB\Core\Interfaces\Hooks;

use FeatherBB\Core\Interfaces\Router;

use FeatherBB\Core\Plugin as PluginManager;

use ZipArchive;

class Plugins

{

protected $manager;

public function __construct()

{

$this->manager = new PluginManager();

}

public function activate($name)

{

$name = Hooks::fire('model.plugin.activate.name', $name);

// Check if plugin name is valid

if ($class = $this->manager->load($name)) {

$activePlugins = $this->manager->getActivePlugins();

// Check if plugin is not yet activated...

if (!in_array($name, $activePlugins)) {

// Find or create plugin in DB...

$plugin = DB::table('plugins')->where('name', $name)->findOne();

if (!$plugin) {

$plugin = DB::table('plugins')->create()->set('name', $name);

}

// ... Install it if needed ...

if ($plugin->installed != 1) {

if (method_exists($class, 'install')) {

$class->install();

}

$plugin->set('installed', 1);

}

// ... Save in DB ...

$plugin->set('active', 1);

$plugin = Hooks::fireDB('model.plugin.activate', $plugin);

$plugin->save();

// ... And regenerate cache.

$this->manager->setActivePlugins();

return $plugin;

}

return true;

}

return false;

}

/**

* Deactivate a plugin

*/

public function deactivate($name)

{

$name = Hooks::fire('model.plugin.deactivate.name', $name);

// Check if plugin name is valid

if ($class = $this->manager->load($name)) {

$activePlugins = $this->manager->getActivePlugins();

// Check if plugin is actually activated

if (($k = array_search($name, $activePlugins)) !== false) {

$plugin = DB::table('plugins')->where('name', $name)->findOne();

if (!$plugin) {

$plugin = DB::table('plugins')->create()->set('name', $name);

}

// Do we need to run extra code for deactivation ?

if (method_exists($class, 'pause')) {

$class->pause();

}

$plugin->set('active', 0);

$plugin = Hooks::fireDB('model.plugin.deactivate', $plugin);

$plugin->save();

// Regenerate cache

$this->manager->setActivePlugins();

return $plugin;

}

return true;

}

return false;

}

/**

* Uninstall a plugin after deactivated

*/

public function uninstall($name)

{

$name = Hooks::fire('model.plugin.uninstall.name', $name);

// Check if plugin name is valid

if ($class = $this->manager->load($name)) {

$activePlugins = $this->manager->getActivePlugins();

// Check if plugin is disabled, for security

if (!in_array($name, $activePlugins)) {

$plugin = DB::table('plugins')->where('name', $name)->findOne();

if ($plugin) {

$plugin->delete();

}

// Do we need to run extra code for uninstallation ?

if (method_exists($class, 'remove')) {

$class->remove();

}

if (file_exists(ForumEnv::get('FEATHER_ROOT').'plugins'.DIRECTORY_SEPARATOR.$name)) {

AdminUtils::deleteFolder(ForumEnv::get('FEATHER_ROOT').'plugins'.DIRECTORY_SEPARATOR.$name);

}

// Regenerate cache

$this->manager->setActivePlugins();

}

return true;

}

return false;

}

/**

* Download a plugin, unzip it and rename it

*/

public function download($args)

{

$zipFile = ForumEnv::get('FEATHER_ROOT').'plugins'.DIRECTORY_SEPARATOR.$args['name']."-".$args['version'].'.zip';

$zipResource = fopen($zipFile, "w");

// Get the zip file straight from GitHub

$ch = curl_init();

curl_setopt($ch, CURLOPT_URL, 'https://codeload.github.com/featherbb/' . $args['name'] . '/zip/'.$args['version']);

curl_setopt($ch, CURLOPT_FAILONERROR, true);

curl_setopt($ch, CURLOPT_HEADER, 0);

curl_setopt($ch, CURLOPT_FOLLOWLOCATION, true);

curl_setopt($ch, CURLOPT_AUTOREFERER, true);

curl_setopt($ch, CURLOPT_BINARYTRANSFER, true);

curl_setopt($ch, CURLOPT_TIMEOUT, 10);

curl_setopt($ch, CURLOPT_SSL_VERIFYHOST, 0);

curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, 0);

curl_setopt($ch, CURLOPT_FILE, $zipResource);

$page = curl_exec($ch);

curl_close($ch);

fclose($zipResource);

if (!$page) {

unlink(ForumEnv::get('FEATHER_ROOT').'plugins'.DIRECTORY_SEPARATOR.$args['name']."-".$args['version'].'.zip');

throw new Error(__('Bad request'), 400);

}

$zip = new ZipArchive;

if ($zip->open($zipFile) != true) {

throw new Error(__('Bad request'), 400);

}

$zip->extractTo(ForumEnv::get('FEATHER_ROOT').'plugins');

$zip->close();

if (file_exists(ForumEnv::get('FEATHER_ROOT').'plugins'.DIRECTORY_SEPARATOR.$args['name'])) {

AdminUtils::deleteFolder(ForumEnv::get('FEATHER_ROOT').'plugins'.DIRECTORY_SEPARATOR.$args['name']);

}

rename(ForumEnv::get('FEATHER_ROOT').'plugins'.DIRECTORY_SEPARATOR.$args['name']."-".$args['version'], ForumEnv::get('FEATHER_ROOT').'plugins'.DIRECTORY_SEPARATOR.$args['name']);

unlink(ForumEnv::get('FEATHER_ROOT').'plugins'.DIRECTORY_SEPARATOR.$args['name']."-".$args['version'].'.zip');

return Router::redirect(Router::pathFor('adminPlugins'), __('Plugin downloaded'));

}

/**

* Upload a plugin manually

*/

public function uploadPlugin($filesData)

{

if (!isset($filesData['req_file'])) {

throw new Error(__('No file'));

}

$uploadedFile = $filesData['req_file'];

// Make sure the upload went smooth

if (isset($uploadedFile['error'])) {

switch ($uploadedFile['error']) {

case 1: // UPLOAD_ERR_INI_SIZE

case 2: // UPLOAD_ERR_FORM_SIZE

throw new Error(__('Too large ini'));

break;

case 3: // UPLOAD_ERR_PARTIAL

throw new Error(__('Partial upload'));

break;

case 4: // UPLOAD_ERR_NO_FILE

throw new Error(__('No file'));

break;

case 6: // UPLOAD_ERR_NO_TMP_DIR

throw new Error(__('No tmp directory'));

break;

default:

// No error occured, but was something actually uploaded?

if ($uploadedFile['size'] == 0) {

throw new Error(__('No file'));

}

break;

}

}

$name = $uploadedFile['name'];

if (is_uploaded_file($uploadedFile['tmp_name'])) {

// Preliminary file check, adequate in most cases

$allowedTypes = ['application/zip', 'application/x-compressed', 'application/x-zip-compressed', 'application/download'];

if (!in_array($uploadedFile['type'], $allowedTypes)) {

throw new Error(__('Bad type'));

}

// Move the file to the plugin directory

if (!@move_uploaded_file($uploadedFile['tmp_name'], ForumEnv::get('FEATHER_ROOT').'plugins'.'/'.$name)) {

throw new Error(__('Move failed'));

}

@chmod(ForumEnv::get('FEATHER_ROOT').'plugins'.'/'.$name, 0644);

} else {

throw new Error(__('Unknown failure'));

}

$zip = new ZipArchive;

if ($zip->open(ForumEnv::get('FEATHER_ROOT').'plugins'.'/'.$name) != true) {

throw new Error(__('Bad request'), 400);

}

$zip->extractTo(ForumEnv::get('FEATHER_ROOT').'plugins');

$zip->close();

$cleanedName = preg_replace('/[0-9]+/', '', $name);

$cleanedName = str_replace('.', '', $cleanedName);

$cleanedName = str_replace('-zip', '', $cleanedName);

$cleanedName = str_replace('zip', '', $cleanedName);

if (file_exists(ForumEnv::get('FEATHER_ROOT').'plugins'.DIRECTORY_SEPARATOR.$cleanedName)) {

AdminUtils::deleteFolder(ForumEnv::get('FEATHER_ROOT').'plugins'.DIRECTORY_SEPARATOR.$name);

}

$nameNozip = str_replace('-zip', '', $name);

$nameNozip = str_replace('zip', '', $nameNozip);

rename(ForumEnv::get('FEATHER_ROOT').'plugins'.DIRECTORY_SEPARATOR.$nameNozip, ForumEnv::get('FEATHER_ROOT').'plugins'.DIRECTORY_SEPARATOR.$cleanedName);

unlink(ForumEnv::get('FEATHER_ROOT').'plugins'.DIRECTORY_SEPARATOR.$name);

return Router::redirect(Router::pathFor('adminPlugins'), __('Plugin downloaded'));

}

}