myaac/admin/pages/plugins.php

<?php
/**
 * Plugins
 *
 * @package   MyAAC
 * @author    Slawkens <slawkens@gmail.com>
 * @copyright 2019 MyAAC
 * @link      https://my-aac.org
 */
defined('MYAAC') or die('Direct access not allowed!');
$title = 'Plugin manager';
$use_datatable = true;

require_once LIBS . 'plugins.php';

$twig->display('admin.plugins.form.html.twig');

if (isset($_REQUEST['uninstall'])) {
	$uninstall = $_REQUEST['uninstall'];

	if (Plugins::uninstall($uninstall)) {
		success('Successfully uninstalled plugin ' . $uninstall);
	} else {
		error('Error while uninstalling plugin ' . $uninstall . ': ' . Plugins::getError());
	}
} else if (isset($_FILES["plugin"]["name"])) {
	$file = $_FILES["plugin"];
	$filename = $file["name"];
	$tmp_name = $file["tmp_name"];
	$type = $file["type"];

	$name = explode(".", $filename);
	$accepted_types = array('application/zip', 'application/x-zip-compressed', 'multipart/x-zip', 'application/x-compressed', 'application/octet-stream', 'application/zip-compressed');

	if (isset($file['error'])) {
		$error = 'Error uploading file';
		switch ($file['error']) {
			case UPLOAD_ERR_OK:
				$error = false;
				break;
			case UPLOAD_ERR_INI_SIZE:
			case UPLOAD_ERR_FORM_SIZE:
				$error .= ' - file too large (limit of ' . ini_get('upload_max_filesize') . ' bytes). You can enlarge the limits by changing "upload_max_filesize" in php.ini';
				break;
			case UPLOAD_ERR_PARTIAL:
				$error .= ' - file upload was not completed.';
				break;
			case UPLOAD_ERR_NO_FILE:
				$error .= ' - zero-length file uploaded.';
				break;
			default:
				$error .= ' - internal error #' . $file['error'];
				break;
		}
	}

	if (isset($error) && $error != false) {
		error($error);
	} else {
		if (is_uploaded_file($file['tmp_name'])) {
			$filetype = strtolower(pathinfo($filename, PATHINFO_EXTENSION));
			if ($filetype == 'zip') // check if it is zipped/compressed file
			{
				$tmp_filename = pathinfo($filename, PATHINFO_FILENAME);
				$targetzip = BASE . 'plugins/' . $tmp_filename . '.zip';

				if (move_uploaded_file($tmp_name, $targetzip)) { // move uploaded file
					if (Plugins::install($targetzip)) {
						foreach (Plugins::getWarnings() as $warning) {
							warning($warning);
						}

						$info = Plugins::getPluginJson();
						success((isset($info['name']) ? '<strong>' . $info['name'] . '</strong> p' : 'P') . 'lugin has been successfully installed.');
					} else {
						$error = Plugins::getError();
						error(!empty($error) ? $error : 'Unexpected error happened while installing plugin. Please try again later.');
					}

					unlink($targetzip); // delete the Zipped file
				} else
					error('There was a problem with the upload. Please try again.');
			} else {
				error('The file you are trying to upload is not a .zip file. Please try again.');
			}
		} else {
			error('Error uploading file - unknown error.');
		}
	}
}

$plugins = array();
foreach (get_plugins() as $plugin) {
	$string = file_get_contents(BASE . 'plugins/' . $plugin . '.json');
	$string = Plugins::removeComments($string);
	$plugin_info = json_decode($string, true);

	if ($plugin_info == false) {
		warning('Cannot load plugin info ' . $plugin . '.json');
	} else {
		$plugins[] = array(
			'name' => isset($plugin_info['name']) ? $plugin_info['name'] : '',
			'description' => isset($plugin_info['description']) ? $plugin_info['description'] : '',
			'version' => isset($plugin_info['version']) ? $plugin_info['version'] : '',
			'author' => isset($plugin_info['author']) ? $plugin_info['author'] : '',
			'contact' => isset($plugin_info['contact']) ? $plugin_info['contact'] : '',
			'file' => $plugin,
			'uninstall' => isset($plugin_info['uninstall'])
		);
	}
}

$twig->display('admin.plugins.html.twig', array(
	'plugins' => $plugins
));