Your IP : 18.219.12.88
<?php
// Namespace
namespace BMI\Plugin\Heart;
// Usage
use BMI\Plugin\BMI_Logger AS Logger;
use BMI\Plugin\Progress\BMI_ZipProgress AS Output;
use BMI\Plugin\Checker\System_Info as SI;
use BMI\Plugin\Dashboard as Dashboard;
use BMI\Plugin\Database\BMI_Database as Database;
use BMI\Plugin\Database\BMI_Database_Exporter as BetterDatabaseExport;
use BMI\Plugin\Backup_Migration_Plugin as BMP;
use BMI\Plugin\BMI_Pro_Core as Pro_Core;
use BMI\Plugin AS BMI;
// Exit on direct access
if (!defined('ABSPATH')) exit;
// Fixes for some cases
require_once BMI_INCLUDES . '/compatibility.php';
/**
* Main class to handle heartbeat of the backup
*/
class BMI_Backup_Heart {
public $it;
public $dbit;
public $abs;
public $dir;
public $url;
public $curl;
public $config;
public $content;
public $backups;
public $dblast;
public $output;
public $useragent;
public $remote_settings;
public $identy;
public $manifest;
public $backupname;
public $safelimit;
public $total_files;
public $rev;
public $backupstart;
public $filessofar;
public $identyfile;
public $browserSide;
public $identyFolder;
public $fileList;
public $dbfile;
public $db_dir_v2;
public $db_v2_engine;
public $final_made;
public $final_batch;
public $dbitJustFinished;
public $lock_cli;
public $_zip;
public $_lib;
public $batches_left;
// Prepare the request details
function __construct($curlIdenty = false, $config = false, $content = false, $backups = false, $abs = false, $dir = false, $remote_settings = []) {
$curl = false;
if ($curlIdenty != false) $curl = true;
$remote_settings = $this->getRemoteSettings($curlIdenty, $curl);
$this->remote_settings = $remote_settings;
if (sizeof($remote_settings) === 0) return;
$this->setupConstants();
$this->it = $remote_settings['it'];
$this->dbit = $remote_settings['dbit'];
$this->abs = $abs;
$this->dir = $dir;
$this->curl = $curl;
$this->config = $config;
$this->content = $content;
$this->backups = $backups;
$this->dblast = $remote_settings['dblast'];
$this->useragent = $remote_settings['useragent'];
$this->identy = $remote_settings['identy'];
$this->manifest = $remote_settings['manifest'];
$this->backupname = $remote_settings['backupname'];
$this->safelimit = intval($remote_settings['safelimit']);
$this->total_files = $remote_settings['total_files'];
$this->rev = intval($remote_settings['rev']);
$this->backupstart = $remote_settings['start'];
$this->filessofar = intval($remote_settings['filessofar']);
$this->identyfile = BMI_TMP . DIRECTORY_SEPARATOR . '.' . $this->identy;
$this->browserSide = (isset($remote_settings['browser']) && ($remote_settings['browser'] === true || $remote_settings['browser'] === 'true')) ? true : false;
if ($curl) {
// Here we could use nonces, but well, WordPress can't handle nonces in such scenario due to the way its generated
// We still use "nonce" here to bypass some security plugins as they may block the URL if the nonce string does not exist in such URL
$this->url = get_home_url(null, sprintf('/?backup-migration=CURL_BACKUP&backup-id=%s&_wpnonce=%s&t=%s', $this->identy, 'Wn19dnWuq', time()));
} else {
$this->url = null;
}
$this->identyFolder = BMI_TMP . DIRECTORY_SEPARATOR . 'bg-' . $this->identy;
$this->fileList = BMI_TMP . DIRECTORY_SEPARATOR . 'files_latest.list';
$this->dbfile = BMI_TMP . DIRECTORY_SEPARATOR . 'bmi_database_backup.sql';
$this->db_dir_v2 = BMI_TMP . DIRECTORY_SEPARATOR . 'db_tables';
$this->db_v2_engine = false;
$this->final_made = $remote_settings['final_made'];
$this->final_batch = $remote_settings['final_batch'];
$this->dbitJustFinished = $remote_settings['dbitJustFinished'];
$this->lock_cli = BMI_BACKUPS . '/.backup_cli_lock';
if ($this->it > 1) @touch($this->lock_cli);
if ($this->isFunctionEnabled('ini_set')) {
ini_set('display_errors', 1);
ini_set('error_reporting', E_ALL);
ini_set('log_errors', 1);
ini_set('error_log', BMI_CONFIG_DIR . '/background-errors.log');
}
}
// Get "remote_settings" from file created by the server
public function getRemoteSettings($curlIdenty, $curl = false) : array {
$settings_name = 'currentBackupConfig.php';
$settings_path = BMP::fixSlashes(BMI_TMP . DIRECTORY_SEPARATOR . $settings_name);
if (!file_exists($settings_path) && $curl) {
Logger::error('Settings path does not exist for bypasser.php');
return [];
}
if (!file_exists($settings_path)) {
Logger::error('Config file does not exist, please try to run the backup process once again.');
return $this->send_error('Config file does not exist, please try to run the backup process once again.', true);
}
$remote_settings = file_get_contents($settings_path);
$remote_settings = (array) json_decode(substr($remote_settings, 8));
if (!isset($remote_settings['identy'])) {
Logger::error('Identy is not set in the config, which prevents bypasser.php from running.');
return [];
}
if ($curl && $curlIdenty != $remote_settings['identy']) {
Logger::error('bypasser.php runs via CURL but the identy provided by CURL does not match config.');
return [];
}
return $remote_settings;
}
// Save remote setting for next batch
public function saveRemoteSettings() {
$settings_name = 'currentBackupConfig.php';
$settings_path = BMP::fixSlashes(BMI_TMP . DIRECTORY_SEPARATOR . $settings_name);
$this->remote_settings['identy'] = $this->identy;
$this->remote_settings['manifest'] = $this->manifest;
$this->remote_settings['backupname'] = $this->backupname;
$this->remote_settings['safelimit'] = $this->safelimit;
$this->remote_settings['total_files'] = $this->total_files;
$this->remote_settings['rev'] = $this->rev;
$this->remote_settings['start'] = $this->backupstart;
$this->remote_settings['filessofar'] = $this->filessofar;
$this->remote_settings['browser'] = $this->browserSide;
$this->remote_settings['it'] = $this->it;
$this->remote_settings['dbit'] = $this->dbit;
$this->remote_settings['dblast'] = $this->dblast;
$this->remote_settings['final_made'] = $this->final_made;
$this->remote_settings['final_batch'] = $this->final_batch;
$this->remote_settings['dbitJustFinished'] = $this->dbitJustFinished;
if (file_exists($settings_path)) @unlink($settings_path);
file_put_contents($settings_path, '<?php //' . json_encode($this->remote_settings));
}
// Setup constants and handle request
public function setupConstants() {
if (!defined('BMI_CURL_REQUEST')) define('BMI_CURL_REQUEST', true);
if (!defined('BMI_CLI_REQUEST')) define('BMI_CLI_REQUEST', false);
if (!defined('BMI_SAFELIMIT')) define('BMI_SAFELIMIT', intval($this->remote_settings['safelimit']));
if ($this->isFunctionEnabled('ignore_user_abort')) @ignore_user_abort(true);
if ($this->isFunctionEnabled('set_time_limit')) @set_time_limit(259200);
if ($this->isFunctionEnabled('ini_set')) {
@ini_set('max_input_time', '259200');
@ini_set('max_execution_time', '259200');
@ini_set('session.gc_maxlifetime', '1200');
}
if (!isset($this->remote_settings['browser'])) $this->remote_settings['browser'] = false;
// Don't block server handler
// if ($this->isFunctionEnabled('session_write_close')) @session_write_close();
}
// Make sure it's impossible to unlink some files
public function unlinksafe($path) {
if (substr($path, 0, 7) == 'file://') {
$path = substr($path, 7);
}
$path = realpath($path);
if ($path === false) return;
if (strpos($path, 'wp-config.php') !== false) return;
if (substr($path, -8) == '/backups') return;
@unlink('file://' . $path);
}
// Human size from bytes
public static function humanSize($bytes) {
if (is_int($bytes)) {
$label = ['B', 'KB', 'MB', 'GB', 'TB', 'PB'];
for ($i = 0; $bytes >= 1024 && $i < (count($label) - 1); $bytes /= 1024, $i++);
return (round($bytes, 2) . " " . $label[$i]);
} else return $bytes;
}
// Create new process
public function send_beat($manual = false, &$logger = null) {
if (is_null($logger)) $this->load_logger();
else if ($logger instanceof Output) $this->output = $logger;
try {
$header = array(
'Content-Accept:*/*',
'Access-Control-Allow-Origin:*'
);
$this->saveRemoteSettings();
$c = curl_init();
curl_setopt($c, CURLOPT_POST, 1);
curl_setopt($c, CURLOPT_COOKIESESSION, false);
curl_setopt($c, CURLOPT_TIMEOUT, 20);
curl_setopt($c, CURLOPT_VERBOSE, false);
curl_setopt($c, CURLOPT_HEADER, false);
curl_setopt($c, CURLOPT_URL, $this->url);
curl_setopt($c, CURLOPT_FOLLOWLOCATION, 1);
curl_setopt($c, CURLOPT_MAXREDIRS, 10);
curl_setopt($c, CURLOPT_RETURNTRANSFER, 1);
curl_setopt($c, CURLOPT_SSL_VERIFYHOST, 0);
curl_setopt($c, CURLOPT_SSL_VERIFYPEER, 0);
curl_setopt($c, CURLOPT_HTTPHEADER, $header);
curl_setopt($c, CURLOPT_CUSTOMREQUEST, 'POST');
curl_setopt($c, CURLOPT_HTTP_VERSION, CURL_HTTP_VERSION_1_1);
curl_setopt($c, CURLOPT_USERAGENT, $this->useragent);
$r = curl_exec($c);
if ($manual === true && $logger !== null) {
if ($r === false) {
if (intval(curl_errno($c)) !== 28) {
Logger::error(print_r(curl_getinfo($c), true));
Logger::error(curl_errno($c) . ': ' . curl_error($c));
$this->output->log('There was something wrong with the request:', 'WARN');
$this->output->log(curl_errno($c) . ': ' . curl_error($c), 'WARN');
}
} else {
$this->output->log('Request sent successfully, without error returned.', 'SUCCESS');
}
}
curl_close($c);
if (isset($this->output)) $this->output->end();
} catch (\Exception $e) {
error_log($e->getMessage());
$this->output->log($e->getMessage(), 'ERROR');
if (isset($this->output)) $this->output->end();
} catch (\Throwable $e) {
error_log($e->getMessage());
$this->output->log($e->getMessage(), 'ERROR');
if (isset($this->output)) $this->output->end();
}
}
// Load backup logger
public function load_logger() {
if ($this->output instanceof Output) return;
require_once BMI_INCLUDES . '/logger.php';
require_once BMI_INCLUDES . '/progress/logger-only.php';
$this->output = new Output();
$this->output->start();
}
// Remove common files
public function remove_commons() {
if (is_null($this->fileList)) return;
// Remove list if exists
$identyfile = $this->identyfile;
$logfile = BMI_TMP . DIRECTORY_SEPARATOR . 'bmi_logs_this_backup.log';
$clidata = BMI_TMP . DIRECTORY_SEPARATOR . 'bmi_cli_data.json';
$settings_path = BMI_TMP . DIRECTORY_SEPARATOR . 'currentBackupConfig.php';
if (file_exists($this->fileList)) $this->unlinksafe($this->fileList);
if (file_exists($this->dbfile)) $this->unlinksafe($this->dbfile);
if (file_exists($this->manifest)) $this->unlinksafe($this->manifest);
if (file_exists($logfile)) $this->unlinksafe($logfile);
if (file_exists($clidata)) $this->unlinksafe($clidata);
if (file_exists($identyfile)) $this->unlinksafe($identyfile);
if (file_exists($identyfile . '-running')) $this->unlinksafe($identyfile . '-running');
if (file_exists($this->lock_cli)) $this->unlinksafe($this->lock_cli);
if (file_exists($settings_path)) $this->unlinksafe($settings_path);
// Remove backup
if (file_exists(BMI_BACKUPS . '/.running')) $this->unlinksafe(BMI_BACKUPS . '/.running');
if (file_exists(BMI_BACKUPS . '/.abort')) $this->unlinksafe(BMI_BACKUPS . '/.abort');
// Remove group folder
if (file_exists($this->identyFolder)) {
$files = glob($this->identyFolder . '/*');
foreach ($files as $file) if (is_file($file)) $this->unlinksafe($file);
@rmdir($this->identyFolder);
}
// Remove tmp database files
if (file_exists($this->db_dir_v2) && is_dir($this->db_dir_v2)) {
$files = glob($this->db_dir_v2 . '/*');
foreach ($files as $file) if (is_file($file)) $this->unlinksafe($file);
if (is_dir($this->db_dir_v2)) @rmdir($this->db_dir_v2);
}
}
// Make success
public function send_success() {
$this->load_logger();
// Display the success
$this->output->log('Backup completed successfully!', 'SUCCESS');
$this->output->log('#001', 'END-CODE');
// Remove common files
$this->remove_commons();
// End logger
if (isset($this->output)) @$this->output->end();
$this->actionsAfterProcess(true);
$this->it += 1;
// Set header for browser
if ($this->browserSide) {
// Content finished
$this->sendResponse(true);
}
// End the process
exit;
}
// Make error
public function send_error($reason = false, $abort = false) {
$this->load_logger();
// Log error
$this->output->log('Something went wrong with background process... ' . '(part: ' . $this->it . ')', 'ERROR');
if ($reason !== false) $this->output->log('Reason: ' . $reason, 'ERROR');
$this->output->log('Removing backup files... ', 'ERROR');
// Remove common files
$this->remove_commons();
// Remove backup
if (file_exists(BMI_BACKUPS . DIRECTORY_SEPARATOR . $this->backupname)) $this->unlinksafe(BMI_BACKUPS . DIRECTORY_SEPARATOR . $this->backupname);
// Abort step
$this->output->log('Aborting backup... ', 'STEP');
if ($abort === false) $this->output->log('#002', 'END-CODE');
else $this->output->log('#003', 'END-CODE');
if (isset($this->output)) @$this->output->end();
$this->actionsAfterProcess();
$this->it += 1;
// Set header for browser
if ($this->browserSide) {
// Content finished
$this->sendResponse(false, true);
}
exit;
}
// Group files for batches
public function make_file_groups() {
if (!(file_exists($this->fileList) && is_readable($this->fileList))) {
return $this->send_error('File list is not accessible or does not exist, try to run your backup process once again.', true);
}
$this->output->log('Making batches for each process...', 'STEP');
$list_path = $this->fileList;
$file = fopen($list_path, 'r');
$this->output->log('Reading list file...', 'INFO');
$first_line = explode('_', fgets($file));
$files = intval($first_line[0]);
$firstmax = intval($first_line[1]);
if ($files > 0) {
$batches = 100;
if ($files <= 200) $batches = 100;
if ($files > 200) $batches = 400;
if ($files > 1600) $batches = 600;
if ($files > 3200) $batches = 1000;
if ($files > 6400) $batches = 2000;
if ($files > 12800) $batches = 4000;
if ($files > 25600) $batches = 5000;
if ($files > 30500) $batches = 10000;
if ($files > 60500) $batches = 20000;
if ($files > 90500) $batches = 40000;
if ($files > 100000) $batches = 60000;
if ($files > 150000) $batches = 80000;
$this->output->log('Each batch will contain up to ' . $batches . ' files.', 'INFO');
$this->output->log('Large files takes more time, you will be notified about those.', 'INFO');
$folder = $this->identyFolder;
mkdir($folder, 0755, true);
$limitcrl = 96;
if (BMI_CLI_REQUEST === true) {
$limitcrl = 512;
if ($files > 30000) $limitcrl = 1024;
}
$i = 0; $bigs = 0; $prev = 0; $currsize = 0;
while (($line = fgets($file)) !== false) {
$line = explode(',', $line);
$last = sizeof($line) - 1;
$size = intval($line[$last]);
unset($line[$last]);
$line = implode(',', $line);
$i++;
if ($firstmax != -1 && $i > $firstmax) $bigs++;
$suffix = intval(ceil(abs($i / $batches))) + $bigs;
if ($prev == $suffix) {
$currsize += $size;
} else {
$currsize = $size;
$prev = $suffix;
}
$skip = false;
if ($currsize > ($limitcrl * (1024 * 1024))) $skip = true;
$groupFile = $folder . DIRECTORY_SEPARATOR . $this->identy . '-' . $suffix . '.files';
$group = fopen($groupFile, 'a');
fwrite($group, $line . ',' . $size . "\r\n");
fclose($group);
if ($skip === true) $bigs++;
unset($line);
}
fclose($file);
if (file_exists($this->fileList)) $this->unlinksafe($this->fileList);
} else {
$this->output->log('No file found to be backed up, omitting files.', 'INFO');
}
if (file_exists($this->fileList)) $this->unlinksafe($this->fileList);
$this->output->log('Batches completed...', 'SUCCESS');
}
// Final batch
public function get_final_batch() {
$db_root_dir = BMI_TMP . DIRECTORY_SEPARATOR;
$logs = $db_root_dir . 'bmi_logs_this_backup.log';
$_manifest = $this->manifest;
if (strpos($logs, 'file://') !== false) $logs = substr($logs, 7);
if (strpos($_manifest, 'file://') !== false) $_manifest = substr($_manifest, 7);
$log_file = fopen($logs, 'w');
fwrite($log_file, file_get_contents(BMI_BACKUPS . DIRECTORY_SEPARATOR . 'latest.log'));
fclose($log_file);
$files = [$logs, $_manifest];
return $files;
}
// Final logs
public function log_final_batch() {
$this->output->log('Finalizing backup', 'STEP');
$this->output->log('Closing files and archives', 'STEP');
$this->output->log('Archiving of ' . $this->total_files . ' files took: ' . number_format(microtime(true) - floatval($this->backupstart), 2) . 's', 'INFO');
if (!BMI_CLI_REQUEST) {
if (!$this->browserSide) sleep(1);
}
if (file_exists(BMI_BACKUPS . '/.abort')) {
$this->send_error('Backup aborted manually by user.', true);
return;
}
$this->send_success();
}
// Load batch
public function load_batch() {
if (!(file_exists($this->identyFolder) && is_dir($this->identyFolder))) {
return $this->send_error('Temporary directory does not exist, please start the backup once again.', true);
}
$allFiles = scandir($this->identyFolder);
$files = array_slice((array) $allFiles, 2);
if (sizeof($files) > 0) {
$largest = $files[0]; $prev_size = 0;
for ($i = 0; $i < sizeof($files); ++$i) {
$curr_size = filesize($this->identyFolder . DIRECTORY_SEPARATOR . $files[$i]);
if ($curr_size > $prev_size) {
$largest = $files[$i];
$prev_size = $curr_size;
}
}
$this->batches_left = sizeof($files);
if (sizeof($files) == 1) {
$this->final_batch = true;
}
return $this->identyFolder . DIRECTORY_SEPARATOR . $largest;
} else {
$this->log_final_batch();
return false;
}
}
// Cut Path for ZIP structure
public function cutDir($file) {
if (substr($file, -4) === '.sql') {
if ($this->db_v2_engine == true) {
return 'db_tables' . DIRECTORY_SEPARATOR . basename($file);
} else {
return basename($file);
}
} else {
return basename($file);
}
}
// Add files to ZIP – The Backup
public function add_files($files = [], $file_list = false, $final = false, $dbLog = false) {
try {
// TODO: Remove false && or replace with option in settings to switch
if (false && (class_exists('\ZipArchive') || class_exists('ZipArchive'))) {
// Initialize Zip
if (!isset($this->_zip)) {
$this->_zip = new \ZipArchive();
}
if ($this->_zip) {
// Show what's in use
if ($this->it === 1) {
$this->output->log('Using ZipArchive module to create the Archive.', 'INFO');
if ($dbLog == true) {
$this->output->log('Adding database SQL file(s) to the backup file.', 'STEP');
}
}
// Open / create ZIP file
$back = BMI_BACKUPS . DIRECTORY_SEPARATOR . $this->backupname;
if (BMI_CLI_REQUEST) {
if (!isset($this->zip_initialized)) {
if (file_exists($back)) $this->_zip->open($back);
else $this->_zip->open($back, \ZipArchive::CREATE);
}
} else {
if (file_exists($back)) $this->_zip->open($back);
else $this->_zip->open($back, \ZipArchive::CREATE);
}
// Final operation
if ($final || $dbLog) {
// Add files
for ($i = 0; $i < sizeof($files); ++$i) {
if (file_exists($files[$i]) && is_readable($files[$i]) && !is_link($files[$i])) {
// Add the file
$this->_zip->addFile($files[$i], $this->cutDir($files[$i]));
} else {
$this->output->log('This file is not readable, it will not be included in the backup: ' . $files[$i], 'WARN');
}
}
if ($dbLog === false) {
$this->final_made = true;
}
} else {
$_abspath = ABSPATH;
if (strpos($_abspath, 'file://') !== false) $_abspath = substr(ABSPATH, 7);
// Add files
for ($i = 0; $i < sizeof($files); ++$i) {
if (file_exists($files[$i]) && is_readable($files[$i]) && !is_link($files[$i])) {
// Calculate Path in ZIP
$path = 'wordpress' . DIRECTORY_SEPARATOR . substr($files[$i], strlen($_abspath));
// Add the file
$this->_zip->addFile($files[$i], $path);
} else {
$this->output->log('This file is not readable, it will not be included in the backup: ' . $files[$i], 'WARN');
}
}
}
// Close archive and prepare next batch
touch(BMI_BACKUPS . '/.running');
if (!BMI_CLI_REQUEST || $final) {
$result = $this->_zip->close();
if ($result === true) {
// Remove batch
if ($file_list && file_exists($file_list)) {
$this->unlinksafe($file_list);
}
} else {
$this->send_error('Error, there is most likely not enough space for the backup.');
return false;
}
} else {
// Remove batch
if ($file_list && file_exists($file_list)) {
$this->unlinksafe($file_list);
}
}
} else {
$this->send_error('ZipArchive error, please contact support - your site may be special case.');
}
} else {
// Check if PclZip exists
if (!class_exists('PclZip')) {
if (!defined('PCLZIP_TEMPORARY_DIR')) {
$bmi_tmp_dir = BMI_TMP;
if (!file_exists($bmi_tmp_dir)) {
@mkdir($bmi_tmp_dir, 0775, true);
}
define('PCLZIP_TEMPORARY_DIR', $bmi_tmp_dir . DIRECTORY_SEPARATOR . 'bmi-');
}
}
// Require the LIB and check if it's compatible
$alternative = dirname($this->dir) . '/backup-backup-pro/includes/pcl.php';
if ($this->rev === 1 || !file_exists($alternative)) {
require_once ABSPATH . 'wp-admin/includes/class-pclzip.php';
} else {
require_once $alternative;
if ($this->it === 1) {
$this->output->log('Using dedicated PclZIP for Pro', 'INFO');
if ($dbLog == true) {
$this->output->log('Adding database SQL file(s) to the backup file.', 'STEP');
}
}
}
// Get/Create the Archive
if (!isset($this->_lib)) {
$this->_lib = new \PclZip(BMI_BACKUPS . DIRECTORY_SEPARATOR . $this->backupname);
}
if (!$this->_lib) {
$this->send_error('PHP-ZIP: Permission Denied or zlib cannot be found');
return;
}
if (sizeof($files) <= 0) {
return false;
}
$back = 0;
$files = array_filter($files, function ($path) {
if (is_readable($path) && file_exists($path) && !is_link($path)) return true;
else {
$this->output->log("Excluding file that cannot be read: " . $path, 'warn');
return false;
}
});
$_abspath = ABSPATH;
$_bmi_tmp = BMI_TMP;
if (strpos($_abspath, 'file://') !== false) $_abspath = substr($_abspath, 7);
if (strpos($_bmi_tmp, 'file://') !== false) $_bmi_tmp = substr($_bmi_tmp, 7);
// Add files
if ($final || $dbLog) {
// Final configuration
if (sizeof($files) > 0) {
$back = $this->_lib->add($files, PCLZIP_OPT_REMOVE_PATH, $_bmi_tmp . DIRECTORY_SEPARATOR, PCLZIP_OPT_ADD_TEMP_FILE_ON, PCLZIP_OPT_TEMP_FILE_THRESHOLD, $this->safelimit);
}
if ($dbLog === false) {
$this->final_made = true;
}
} else {
// Additional path
$add_path = 'wordpress' . DIRECTORY_SEPARATOR;
// Casual configuration
if (sizeof($files) > 0) {
$back = $this->_lib->add($files, PCLZIP_OPT_REMOVE_PATH, $_abspath, PCLZIP_OPT_ADD_PATH, $add_path, PCLZIP_OPT_ADD_TEMP_FILE_ON, PCLZIP_OPT_TEMP_FILE_THRESHOLD, $this->safelimit);
}
}
// Check if there was any error
touch(BMI_BACKUPS . '/.running');
if ($back == 0) {
$this->send_error($this->_lib->errorInfo(true));
return false;
} else {
if ($file_list && file_exists($file_list)) {
$this->unlinksafe($file_list);
}
}
}
} catch (\Exception $e) {
error_log($e->getMessage());
$this->send_error($e->getMessage());
return false;
} catch (\Throwable $e) {
error_log($e->getMessage());
$this->send_error($e->getMessage());
return false;
}
}
// ZIP one of the grouped files
public function zip_batch() {
$_dbfile = $this->dbfile;
$_db_dir_v2 = $this->db_dir_v2;
if (strpos($_dbfile, 'file://') !== false) $_dbfile = substr($_dbfile, 7);
if (strpos($_db_dir_v2, 'file://') !== false) $_db_dir_v2 = substr($_db_dir_v2, 7);
if ($this->it === 1) {
$files = [];
if (file_exists($this->dbfile)) {
$files[] = $_dbfile;
} elseif (file_exists($this->db_dir_v2) && is_dir($this->db_dir_v2)) {
$this->db_v2_engine = true;
$db_files = scandir($this->db_dir_v2);
foreach ($db_files as $i => $name) {
if (!($name == '.' || $name == '..')) {
$files[] = $_db_dir_v2 . DIRECTORY_SEPARATOR . $name;
}
}
}
if (sizeof($files) > 0) {
$this->add_files($files, false, false, true);
$this->output->log('Database added to the backup file.', 'SUCCESS');
$this->output->log('Performing site files backup...', 'STEP');
return true;
}
$this->output->log('Performing site files backup...', 'STEP');
}
$list_file = $this->load_batch();
if ($list_file === false) return true;
$files = explode("\r\n", file_get_contents($list_file));
$total_size = 0;
$parsed_files = [];
$absWo = ABSPATH;
$wpcDirWo = WP_CONTENT_DIR;
if (strpos($absWo, 'file://') !== false) $absWo = substr(ABSPATH, 7);
if (strpos($wpcDirWo, 'file://') !== false) $wpcDirWo = substr(WP_CONTENT_DIR, 7);
for ($i = 0; $i < sizeof($files); ++$i) {
if (strlen(trim($files[$i])) <= 1) {
$this->total_files--;
continue;
}
$files[$i] = explode(',', $files[$i]);
$last = sizeof($files[$i]) - 1;
$size = intval($files[$i][$last]);
unset($files[$i][$last]);
$files[$i] = implode(',', $files[$i]);
$file = null;
if ($files[$i][0] . $files[$i][1] . $files[$i][2] === '@1@') {
$file = $wpcDirWo . DIRECTORY_SEPARATOR . substr($files[$i], 3);
} else if ($files[$i][0] . $files[$i][1] . $files[$i][2] === '@2@') {
$file = $absWo . DIRECTORY_SEPARATOR . substr($files[$i], 3);
} else {
$file = $files[$i];
}
if (!file_exists($file)) {
$this->output->log('Removing this file from backup (it does not exist anymore): ' . $file, 'WARN');
$this->total_files--;
continue;
}
if (filesize($file) === 0) {
$this->output->log('Removing this file from backup (file size is equal to 0 bytes): ' . $file, 'WARN');
$this->total_files--;
continue;
}
$parsed_files[] = $file;
$total_size += $size;
unset($file);
}
unset($files);
if (sizeof($parsed_files) === 1) {
$this->output->log('Adding: ' . sizeof($parsed_files) . ' file...' . ' [Size: ' . $this->humanSize($total_size) . ']', 'INFO');
$this->output->log('Alone-file mode for: ' . $parsed_files[0] . ' file...', 'INFO');
} else $this->output->log('Adding: ' . sizeof($parsed_files) . ' files...' . ' [Size: ' . $this->humanSize($total_size) . ']', 'INFO');
if ((60 * (1024 * 1024)) < $total_size) $this->output->log('Current batch is quite large, it may take some time...', 'WARN');
$this->add_files($parsed_files, $list_file);
$this->filessofar += sizeof($parsed_files);
$this->output->progress($this->filessofar . '/' . $this->total_files);
$this->output->log('Milestone: ' . $this->filessofar . '/' . $this->total_files . ' [' . $this->batches_left . ' batches left]', 'SUCCESS');
if ($this->final_batch === true) {
$this->output->log('Adding final files to this batch...', 'STEP');
$this->output->log('Adding manifest as addition...', 'INFO');
$additionalFiles = $this->get_final_batch();
$this->add_files($additionalFiles, false, true);
$this->log_final_batch();
return true;
}
}
// Shutdown callback
public function shutdown() {
// Check if there was any error
$err = error_get_last();
if ($err != null) {
Logger::error('Shuted down');
Logger::error(print_r($err, true));
$this->output->log('Background process had some issues, more details printed to global logs.', 'WARN');
}
// Remove lock
if (file_exists($this->lock_cli)) {
$this->unlinksafe($this->lock_cli);
}
// Send next beat to handle next batch
if (BMI_CLI_REQUEST) return;
if (file_exists($this->identyfile)) {
// Set header for browser
if ($this->browserSide) {
$this->saveRemoteSettings();
// Content finished
$this->sendResponse(false);
} else {
$this->send_beat();
}
}
}
public function sendResponse($finish = false, $error = false) {
$res = [
'status' => 'success',
'backup_completed' => (($finish == true) ? 'true' : 'false'),
'backup_process_error' => (($error == true) ? 'true' : 'false')
];
return BMP::res($res);
}
// Handle received batch
public function handle_batch() {
// Check if aborted
if (file_exists(BMI_BACKUPS . '/.abort')) {
if (!isset($this->output)) $this->load_logger();
$this->send_error('Backup aborted manually by user.', true);
return;
}
// Check if it was triggered by verified user
if (!file_exists($this->identyfile)) {
return;
}
// Register shutdown
register_shutdown_function([$this, 'shutdown']);
// Load logger
$this->load_logger();
set_error_handler(function ($errno, $errstr, $errfile, $errline) {
Logger::error('Bypasser error:');
Logger::error($errno . ' - ' . $errstr);
Logger::error($errfile . ' - ' . $errline);
$this->load_logger();
$this->output->log('Bypasser error:', 'ERROR');
$this->output->log($errno . ' - ' . $errstr, 'ERROR');
$this->output->log($errfile . ' - ' . $errline, 'ERROR');
}, E_ALL);
// Notice parent script
touch($this->identyfile . '-running');
touch(BMI_BACKUPS . '/.running');
// CLI case
if (BMI_CLI_REQUEST) {
$this->output->log('Starting database backup exporter', 'STEP');
$this->output->log('Database exporter started via CLI', 'VERBOSE');
while ($this->dbit !== -1) {
$this->databaseBackupMaker();
}
// Log
$this->output->log("PHP CLI initialized - process ran successfully", 'SUCCESS');
$this->make_file_groups();
// Make ZIP
$this->output->log('Making archive...', 'STEP');
while (!$this->final_made) {
touch($this->identyfile . '-running');
touch(BMI_BACKUPS . '/.running');
$this->it += 1;
$this->zip_batch();
}
} else {
// Background
if ($this->dbit !== -1) {
if ($this->dbit === 0) {
$this->output->log('Background process initialized', 'SUCCESS');
$this->output->log('Starting database backup exporter', 'STEP');
$this->output->log('Database exporter started via WEB REQUESTS', 'VERBOSE');
}
$this->databaseBackupMaker();
} else {
if ($this->it === 0) {
$this->make_file_groups();
$this->it += 1;
$this->output->log('Making archive...', 'STEP');
} else {
$this->zip_batch();
$this->it += 1;
}
}
}
}
public function fixSlashes($str, $slash = false) {
// Old version
// $str = str_replace('\\\\', DIRECTORY_SEPARATOR, $str);
// $str = str_replace('\\', DIRECTORY_SEPARATOR, $str);
// $str = str_replace('\/', DIRECTORY_SEPARATOR, $str);
// $str = str_replace('/', DIRECTORY_SEPARATOR, $str);
// if ($str[strlen($str) - 1] == DIRECTORY_SEPARATOR) {
// $str = substr($str, 0, -1);
// }
// Since 1.3.2
$protocol = '';
if ($slash == false) $slash = DIRECTORY_SEPARATOR;
if (substr($str, 0, 7) == 'http://') $protocol = 'http://';
else if (substr($str, 0, 8) == 'https://') $protocol = 'https://';
$str = substr($str, strlen($protocol));
$str = preg_replace('/[\\\\\/]+/', $slash, $str);
$str = rtrim($str, '/\\' );
return $protocol . $str;
}
public function isFunctionEnabled($func) {
$disabled = explode(',', ini_get('disable_functions'));
$isDisabled = in_array($func, $disabled);
if (!$isDisabled && function_exists($func)) return true;
else return false;
}
// Database batch maker and dumper
// We need WP instance for that to get access to wpdb
public function databaseBackupMaker() {
if ($this->dbit === -1) return;
// DB File Name for that type of backup
$dbbackupname = 'bmi_database_backup.sql';
$database_file = $this->fixSlashes(BMI_TMP . DIRECTORY_SEPARATOR . $dbbackupname);
if (Dashboard\bmi_get_config('BACKUP:DATABASE') == 'true') {
if (Dashboard\bmi_get_config('OTHER:BACKUP:DB:SINGLE:FILE') == 'true') {
// Require Database Manager
require_once BMI_INCLUDES . DIRECTORY_SEPARATOR . 'database' . DIRECTORY_SEPARATOR . 'manager.php';
// Log what's going on
$this->output->log('Making single-file database backup (using deprecated engine, due to used settings)', 'STEP');
// Get database dump
$databaser = new Database(DB_HOST, DB_USER, DB_PASSWORD, DB_NAME);
$databaser->exportDatabase($dbbackupname);
$this->output->log("Database size: " . $this->humanSize(filesize($database_file)), 'INFO');
$this->output->log('Database (single-file) backup finished.', 'SUCCESS');
$this->dbitJustFinished = true;
$this->dbit = -1;
return true;
} else {
// Log what's going on
if ($this->dbit === 0) {
$this->output->log("Making database backup (using v3 engine, requires at least v1.2.2 to restore)", 'STEP');
$this->output->log("Iterating database...", 'INFO');
}
// Require Database Manager
require_once BMI_INCLUDES . DIRECTORY_SEPARATOR . 'database' . DIRECTORY_SEPARATOR . 'better-backup-v3.php';
$database_file_dir = $this->fixSlashes((dirname($database_file))) . DIRECTORY_SEPARATOR;
$better_database_files_dir = $database_file_dir . 'db_tables';
$better_database_files_dir = str_replace('file:', 'file://', $better_database_files_dir);
if (!is_dir($better_database_files_dir)) @mkdir($better_database_files_dir, 0755, true);
$db_exporter = new BetterDatabaseExport($better_database_files_dir, $this->output, $this->dbit, intval($this->backupstart));
$dbBatchingEnabled = false;
if (Dashboard\bmi_get_config('OTHER:BACKUP:DB:BATCHING') == 'true') {
$dbBatchingEnabled = true;
} else {
if ($this->dbit === 0) {
$this->output->log("Database batching is disabled in options, consider to use this option if your database backup fails.", 'WARN');
}
}
if (BMI_CLI_REQUEST === true || $dbBatchingEnabled === false) {
$results = $db_exporter->export();
$this->output->log("Database backup finished", 'SUCCESS');
$this->dbitJustFinished = true;
$this->dbit = -1;
$this->dblast = 0;
} else {
$results = $db_exporter->export($this->dbit, $this->dblast);
$this->dbit = intval($results['batchingStep']);
$this->dblast = intval($results['finishedQuery']);
$dbFinished = $results['dumpCompleted'];
if ($dbFinished == true) {
$this->output->log("Database backup finished", 'SUCCESS');
$this->dbitJustFinished = true;
$this->dbit = -1;
}
}
return true;
}
} else {
$this->output->log('Database will not be dumped due to user settings.', 'INFO');
$this->dbitJustFinished = true;
$this->dbit = -1;
return true;
}
}
public function actionsAfterProcess($success = false) {
Logger::log("Backup file created successfully via bypasser.php");
BMP::handle_after_cron();
return null;
}
}