wordpress-backup-to-pcloud.php

<?php
/*
 * Plugin Name: WordPress Backup to Pcloud 
 * Plugin URI: http://pcloud.com 
 * Description: _________ Version: 0.1 
 * Author: Yuksel Saliev - yuks 
 * URI: http://pcloud.com 
 * License: Copyright 2013 - pCloud 
 * 	This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License, version 2, as published by the Free Software Foundation.
	This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. 
	See the GNU General Public License for more details. 
	You should have received a copy of the GNU General Public License along with this program; if not, write to the 
	Free Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
 */
define ( 'BACKUP_TO_PCLOUD_VERSION', '0.1' );
define ( "PCLOUD_DIR", 'wordpress-backup-to-pcloud' );
define ( 'PCLOUD_BACKUP_DIR', 'WORDPRESS_BACKUPS/'.get_bloginfo("name") );


require_once (ABSPATH.'wp-admin/includes/upgrade.php');
require_once (plugin_dir_path(__FILE__). '/functions/conf.php');
require_once (plugin_dir_path(__FILE__). '/functions/database_backup.php');
require_once (plugin_dir_path(__FILE__). '/functions/files_backup.php');
require_once (plugin_dir_path(__FILE__). '/functions/files_restore.php');

function backup_to_pcloud_admin_menu() {
	$imgUrl = rtrim(plugins_url( '/images/logo_16.png', __FILE__ ));
	add_menu_page ( 'B2pCloud', 'pCloud Backup', 'administrator', 'b2pcloud_settings', 'b2pcloud_display_settings', $imgUrl );
}
function wp2pcloud_ajax_process_request() {
	$result = array (
			'status' => '0' 
	);
	$m = isset ( $_GET ['method'] ) ? $_GET ['method'] : false;
	
	if ($m == 'set_auth') {
		wp2pcloud_setAuth ( $_POST ['auth'] );
		$result ['status'] = '1';
	} else if ($m == 'unlink_acc') {
		wp2pclod_unlink ();
		$result ['status'] = '1';
	} else if ($m == 'start_backup') {
		wp_schedule_single_event ( strtotime ( "-10 seconds" ), 'run_pcloud_backup_hook' );
		$result ['status'] = "1";
	} else if ($m == "set_schedule") {
		wp2pcloud_setSchData($_POST);
		set_schedule($_POST['day'],$_POST['hour'],$_POST['freq']);
	}else if($m == "restore_archive") {
		$r = new wp2pcloudFilesRestore();
		$r->setAuth( wp2pcloud_getAuth() );
		$r->setFileId($_POST['file_id']);
		$r->getFile();
		die();
		
	}else if($m == 'check_can_restore') {
		if(!is_writable(dirname(dirname(dirname(dirname(__FILE__))))).'/' ) {
			$result['status'] = "1";
			$result['msg'] = __("<p>Path ".dirname(dirname(dirname(dirname(__FILE__)))).'/'." is not writable!</p>");
		}
		if(!is_writable(sys_get_temp_dir ())) {
			$result['status'] = "1";
			$result['msg'] = __("<p>Path ".sys_get_temp_dir ()." is not writable!</p>");
		}
	}
	echo json_encode ( $result );
	die ();
}
function wp2pcloud_perform_backup() {
	$b = new wp2pcloudDatabaseBackup ();
	$file = $b->start ();
	$f = new wp2pcloudFilesBackup ();
	$f->setMysqlBackUpFileName ( $file );
	$f->setArchiveName ( 'wp2-pcloud_backup_' . get_bloginfo ( 'name' ) . '_' . get_bloginfo ( "wpurl" ) . '_' . time () . '_' . date ( 'Y-m-d' ) . '.zip' );
	$f->start ();
}
function b2pcloud_display_settings() {
	wp_enqueue_script ( 'wpb2pcloud', plugins_url( '/wpb2pcloud.js', __FILE__ ) );
	wp_enqueue_style('wpb2pcloud',plugins_url( '/wpb2pcloud.css', __FILE__ ));
	$data = array (
			'pcloud_auth' => wp2pcloud_getAuth (),
			'blog_name' => get_bloginfo ( 'name' ),
			'blog_url' => get_bloginfo ( 'url' ),
			'archive_icon' => plugins_url('images/zip.png',__FILE__),
			'PCLOUD_BACKUP_DIR' => PCLOUD_BACKUP_DIR 
	);
	wp_localize_script ( 'wpb2pcloud', 'php_data', $data );
	include 'views/wp2pcloud-config.php';
}
function wp2pcloud_install() {
	global $wpdb;
	$sql = "
	CREATE TABLE IF NOT EXISTS `" . $wpdb->prefix . "wp2pcloud_config` (
			`key` VARCHAR(250) NOT NULL,
			`value` TEXT NOT NULL,
			PRIMARY KEY (`key`)
		)
		COLLATE='utf8_general_ci'
		ENGINE=InnoDB;		
	";
	dbDelta ( $sql );
}
function load_scripts() {
	wp_register_script ( 'wpb2pcloud', plugins_url( '/wpb2pcloud.js', __FILE__ )  );
	wp_enqueue_script ( 'jquery' );
}
function wp2pcloud_uninstall() {
	global $wpdb;
	$sql = "DROP TABLE `" . $wpdb->prefix . "wp2pcloud_config`";
	$wpdb->query ( $sql );
	wp_clear_scheduled_hook( 'run_pcloud_backup_hook' );
}

function set_schedule($day, $time, $frequency) {
	wp_clear_scheduled_hook( 'run_pcloud_backup_hook' );
	$blog_time = strtotime(date('Y-m-d H', strtotime(current_time('mysql'))) . ':00:00');
	$date = date('Y-m-d', $blog_time);
	$time_arr = explode(':', $time);
	$current_day = date('l', $blog_time);
	if ($day && ($current_day != $day)) {
		$date = date('Y-m-d', strtotime("next $day"));
	} elseif ((int) $time_arr[0] <= (int) date('H', $blog_time)) {
		if ($day) {
			$date = date('Y-m-d', strtotime("+7 days", $blog_time));
		} else {
			$date = date('Y-m-d', strtotime("+1 day", $blog_time));
		}
	}
	$timestamp = wp_next_scheduled('run_pcloud_backup_hook');
	if ($timestamp) {
		wp_unschedule_event($timestamp, 'run_pcloud_backup_hook');
	}
	$scheduled_time = strtotime($date . ' ' . $time);
	$server_time = strtotime(date('Y-m-d H') . ':00:00') + ($scheduled_time - $blog_time);
	wp_schedule_event($server_time, $frequency, 'run_pcloud_backup_hook');
}

function backup_to_pcloud_cron_schedules($schedules) {
	$new_schedules = array (
			'daily' => array (
					'interval' => 86400,
					'display' => 'Daily' 
			),
			'weekly' => array (
					'interval' => 604800,
					'display' => 'Weekly' 
			),
			'fortnightly' => array (
					'interval' => 1209600,
					'display' => 'Fortnightly' 
			) 
	)
	;
	return array_merge ( $schedules, $new_schedules );
}
add_filter ( 'cron_schedules', 'backup_to_pcloud_cron_schedules' );
register_activation_hook ( __FILE__, 'wp2pcloud_install' );
register_deactivation_hook ( __FILE__, 'wp2pcloud_uninstall' );
add_action ( 'admin_menu', 'backup_to_pcloud_admin_menu' );
add_action ( 'wp_enqueue_scripts', 'load_scripts' );
add_action ( 'run_pcloud_backup_hook', 'wp2pcloud_perform_backup' );
if (is_admin ()) {
	add_action ( 'wp_ajax_wp2pclod', 'wp2pcloud_ajax_process_request' );
}

// wp_schedule_single_event(strtotime("+10 seconds"), 'run_pcloud_backup_hook');