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<?php namespace BMI\Plugin\Zipper; use BMI\Plugin\Backup_Migration_Plugin as BMP; use BMI\Plugin\BMI_Logger as Logger; 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\Progress\BMI_ZipProgress as Progress; use BMI\Plugin\Heart\BMI_Backup_Heart as Bypasser; class Zip { protected $lib; protected $org_files; protected $new_file_path; protected $new_file_name; protected $backupname; protected $zip_progress; protected $extr_file; protected $extr_dirc; protected $start_zip; public function __construct() { $this->lib = 0; $this->extr_file = 0; $this->new_file_path = 0; $this->org_files = []; } public function zip_start($file_path, $files = [], $name = '', &$zip_progress = null, $start = null) { // save the new file path $this->new_file_path = $file_path; $this->backupname = $name; $this->zip_progress = $zip_progress; $this->start_zip = $start; if (sizeof($files) > 0) { $this->org_files = $files; } // Some php installations doesn't have the ZipArchive // So in this case we'll use another lib called PclZip if (class_exists("ZipArchive") \|\| class_exists("\ZipArchive")) { $this->lib = 1; } else { $this->lib = 2; } return true; } public function return_bytes($val) { $val = trim($val); $last = strtolower($val[strlen($val) - 1]); $val = substr($val, 0, -1); switch ($last) { // The 'G' modifier is available since PHP 5.1.0 case 'g': $val = 1024; // no break case 'm': $val = 1024; // no break case 'k': $val = 1024; } return $val; } public function zip_failed($error) { Logger::error(__("There was an error during backup (packing)...", 'backup-backup')); Logger::error(print_r($error, true)); if ($this->zip_progress != null) { $this->zip_progress->log(__("Issues during backup (packing)...", 'backup-backup'), 'ERROR'); $this->zip_progress->log(print_r($error, true), 'ERROR'); $this->zip_progress->log('#004', 'END-CODE'); } } public function restore_failed($error) { Logger::error(__("There was an error during restore process (extracting)...", 'backup-backup')); Logger::error($error); if ($this->zip_progress != null) { $this->zip_progress->log(__("Issues during restore process (extracting)...", 'backup-backup'), 'ERROR'); $this->zip_progress->log($error, 'ERROR'); $this->zip_progress->log('#004', 'END-CODE'); } } public function zip_add($in) { // Just to make sure.. if the user haven't called the earlier method if ($this->lib === 0 \|\| $this->new_file_path === 0) { throw new \Exception("PHP-ZIP: must call zip_start before zip_add"); } // Push file array_push($this->org_files, $in); // Return return true; } public function createDatabaseDump($dbbackupname, $better_database_files_dir, &$database_file, $database_file_dir, $dbBackupEngine = 'v4') { 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'; // Logs $this->zip_progress->log(__("Making single-file database backup (using deprecated engine, due to used settings)", 'backup-backup'), 'STEP'); // Get database dump $databaser = new Database(DB_HOST, DB_USER, DB_PASSWORD, DB_NAME); $databaser->exportDatabase($dbbackupname); // Fix for newer version $this->db_exporter_queries = 0; $this->zip_progress->total_queries = 0; $this->db_exporter_files = []; $this->dbDumped = true; $this->zip_progress->log(__("Database size: ", 'backup-backup') . BMP::humanSize(filesize($database_file)), 'INFO'); } else { if ($dbBackupEngine == 'v4') { // Require Database Manager require_once BMI_INCLUDES . DIRECTORY_SEPARATOR . 'database' . DIRECTORY_SEPARATOR . 'better-backup-v3.php'; // Get database dump $this->zip_progress->log(__("Making database backup (using v3 engine, requires at least v1.2.2 to restore)", 'backup-backup'), 'STEP'); } else { // Require Database Manager require_once BMI_INCLUDES . DIRECTORY_SEPARATOR . 'database' . DIRECTORY_SEPARATOR . 'better-backup.php'; // Get database dump $this->zip_progress->log(__("Making database backup (using v2 engine, requires at least v1.1.0 to restore)", 'backup-backup'), 'STEP'); } $this->zip_progress->log(__("Iterating database...", 'backup-backup'), 'INFO'); if (!is_dir($better_database_files_dir)) @mkdir($better_database_files_dir, 0755, true); $db_exporter = new BetterDatabaseExport($better_database_files_dir, $this->zip_progress); $this->zip_progress->log('Exporting database via zip.php', 'VERBOSE'); $db_exporter->export(); $this->db_exporter_files = $db_exporter->files; $this->db_exporter_queries = $db_exporter->total_queries; $this->zip_progress->total_queries = $this->db_exporter_queries; $this->dbDumped = true; $this->zip_progress->log(__("Database backup finished", 'backup-backup'), 'SUCCESS'); } } else { $this->dbDumped = false; $this->zip_progress->log(__("Omitting database backup (due to settings)...", 'backup-backup'), 'WARN'); $database_file = false; $this->db_exporter_files = []; $this->db_exporter_queries = 0; $this->zip_progress->total_queries = 0; } } public function saveRemoteSettings($settings) { $settings_name = 'currentBackupConfig.php'; $settings_path = BMP::fixSlashes(BMI_TMP . DIRECTORY_SEPARATOR . $settings_name); if (file_exists($settings_path)) @unlink($settings_path); file_put_contents($settings_path, '<?php //' . json_encode($settings)); } // Cut Path for ZIP structure public function cutDir($file) { if (substr($file, -4) === '.sql') { $path = 'db_tables' . DIRECTORY_SEPARATOR . basename($file); } else { $path = basename($file); } $path = str_replace('\\', '/', $path); return $path; } public function zip_end($force_lib = false, $cron = false) { // v4 for new one, v3 for old one $dbBackupEngine = 'v4'; // Try to set limit $this->zip_progress->log(__("Smart memory calculation...", 'backup-backup'), 'STEP'); if ((intval($this->return_bytes(ini_get('memory_limit'))) / 1024 / 1024) < 384) @ini_set('memory_limit', '384M'); if (defined('WP_MAX_MEMORY_LIMIT')) $maxwp = WP_MAX_MEMORY_LIMIT; else $maxwp = '1M'; $memory_limit = (intval($this->return_bytes(ini_get('memory_limit'))) / 1024 / 1024); $maxwp = (intval($this->return_bytes($maxwp)) / 1024 / 1024); if ($maxwp > $memory_limit) $memory_limit = $maxwp; $this->zip_progress->log(str_replace('%s', $memory_limit, __("There is %s MBs of memory to use", 'backup-backup')), 'INFO'); $this->zip_progress->log(str_replace('%s', $maxwp, __("WordPress memory limit: %s MBs", 'backup-backup')), 'INFO'); $safe_limit = intval($memory_limit / 4); if ($safe_limit > 64) $safe_limit = 64; if ($memory_limit === 384) $safe_limit = 96; if ($memory_limit >= 512) $safe_limit = 128; if ($memory_limit >= 1024) $safe_limit = 256; // $real_memory = intval(memory_get_usage() 0.9 / 1024 / 1024); // if ($real_memory < $safe_limit) $safe_limit = $real_memory; $safe_limit = intval($safe_limit * 0.9); $this->zip_progress->log(str_replace('%s', $safe_limit, __("Setting the safe limit to %s MB", 'backup-backup')), 'SUCCESS'); $abs = BMP::fixSlashes(ABSPATH) . DIRECTORY_SEPARATOR; $dbbackupname = 'bmi_database_backup.sql'; $database_file = BMP::fixSlashes(BMI_TMP . DIRECTORY_SEPARATOR . $dbbackupname); $database_file_dir = BMP::fixSlashes((dirname($database_file))) . DIRECTORY_SEPARATOR; $better_database_files_dir = $database_file_dir . 'db_tables'; // force usage of specific lib (for testing purposes) if ($force_lib === 2) { $this->lib = 2; } elseif ($force_lib === 1) { $this->lib = 1; } $this->dbDumped = false; $this->db_exporter_queries = 0; $this->zip_progress->total_queries = 0; $this->db_exporter_files = []; // just to make sure.. if the user haven't called the earlier method if ($this->lib === 0 \|\| $this->new_file_path === 0) { throw new \Exception('PHP-ZIP: zip_start and zip_add haven\'t been called yet'); } // using zipArchive class // if ($this->lib === 1) { // // // Create DB Dump // $this->createDatabaseDump($dbbackupname, $better_database_files_dir, $database_file, $database_file_dir); // // // All files // $max = sizeof($this->org_files); // $this->zip_progress->log(__("Making archive", 'backup-backup'), 'STEP'); // $this->zip_progress->log(__("Compressing...", 'backup-backup'), 'INFO'); // // // Verbose // $this->zip_progress->log(__("Using Zlib to create Backup", 'backup-backup')); // // $lib = new \ZipArchive(); // if (!$lib->open($this->new_file_path, \ZipArchive::CREATE)) { // throw new \Exception('PHP-ZIP: Permission Denied or zlib can\'t be found'); // } // // // Add each file // for ($i = 0; $i < $max; $i++) { // $file = $this->org_files[$i]; // $zippath = substr($file, strlen($abs)); // $lib->addFile($file, 'wordpress' . DIRECTORY_SEPARATOR . $zippath); // // if ($i % 100 === 0) { // if (file_exists(BMI_BACKUPS . DIRECTORY_SEPARATOR . '.abort')) { // break; // } // $this->zip_progress->progress($i + 1 . '/' . $max); // } // // if (($i + 1) % 500 === 0 \|\| $i == 0) { // if (($i + 1) < $max) { // $this->zip_progress->log((__("Milestone: ", 'backup-backup') . ($i + 1) . '/' . $max), 'info'); // } // } // } // // if (file_exists(BMI_BACKUPS . DIRECTORY_SEPARATOR . '.abort')) { // // // close the archive // $lib->close(); // } else { // $this->zip_progress->log((__("Milestone: ", 'backup-backup') . $max . '/' . $max), 'info'); // $this->zip_progress->log(__("Compressed ", 'backup-backup') . $max . __(" files", 'backup-backup'), 'SUCCESS'); // // // Log time of ZIP Process // $this->zip_progress->log(__("Archiving of ", 'backup-backup') . $max . __(" files took: ", 'backup-backup') . number_format(microtime(true) - $this->start_zip, 2) . 's'); // // $this->zip_progress->log(__("Finalizing backup", 'backup-backup'), 'STEP'); // $this->zip_progress->log(__("Adding manifest...", 'backup-backup'), 'INFO'); // $this->zip_progress->log(__("Closing files and archives", 'backup-backup'), 'STEP'); // $this->zip_progress->log('#001', 'END-CODE'); // // $this->zip_progress->end(); // $logs = file_get_contents(BMI_BACKUPS . DIRECTORY_SEPARATOR . 'latest.log'); // $this->zip_progress->start(true); // // if ($database_file !== false) { // if (Dashboard\bmi_get_config('OTHER:BACKUP:DB:SINGLE:FILE') == 'true') { // if (file_exists($database_file)) { // $lib->addFile($database_file, 'bmi_database_backup.sql'); // } // } else { // if ($db_exporter_files && sizeof($db_exporter_files) > 0) { // for ($i = 0; $i < sizeof($db_exporter_files); ++$i) { // $lib->addFile($db_exporter_files[$i], 'db_tables' . DIRECTORY_SEPARATOR . basename($db_exporter_files[$i])); // } // } // } // } // // $lib->addFromString('bmi_backup_manifest.json', $this->zip_progress->createManifest($dbBackupEngine)); // $lib->addFromString('bmi_logs_this_backup.log', $logs); // $this->zip_progress->progress($max . '/' . $max); // // // close the archive // $lib->close(); // } // } // using PclZip if ($this->lib === 2) { // All files $max = sizeof($this->org_files); // Verbose $legacy = BMI_LEGACY_VERSION; if ($legacy) $legacy = BMI_LEGACY_HARD_VERSION; if (class_exists('\ZipArchive') \|\| class_exists('ZipArchive')) { $this->zip_progress->log(__("ZipArchive is available this process should use ZipArchive", 'backup-backup'), 'INFO'); } else { $this->zip_progress->log(__("Using PclZip module to create the backup", 'backup-backup'), 'INFO'); } if (!BMI_LEGACY_VERSION) { $this->zip_progress->log(__("Legacy setting: Using server-sided script and cURL based loop for better capabilities", 'backup-backup'), 'INFO'); } elseif (!BMI_LEGACY_HARD_VERSION) { $this->zip_progress->log(__("Legacy setting: Using user browser as middleware for full capabilities", 'backup-backup'), 'INFO'); } else { $this->zip_progress->log(__("Legacy setting: Using default modules depending on user server", 'backup-backup'), 'INFO'); // Create DB Dump $this->createDatabaseDump($dbbackupname, $better_database_files_dir, $database_file, $database_file_dir, $dbBackupEngine); $this->zip_progress->log(__("Making archive", 'backup-backup'), 'STEP'); $this->zip_progress->log(__("Compressing...", 'backup-backup'), 'INFO'); } // Run the backup in background if ((!defined('BMI_USING_CLI_FUNCTIONALITY') \|\| BMI_USING_CLI_FUNCTIONALITY === false) && ($legacy === false \|\| BMI_CLI_ENABLED === true) && sizeof($this->org_files) > 10 && !defined('BMI_CLI_FAILED')) { file_put_contents($database_file_dir . 'bmi_backup_manifest.json', $this->zip_progress->createManifest($dbBackupEngine)); // $url = plugins_url('') . '/backup-backup/includes/middleware-backup-proxy.php'; $url = admin_url('admin-ajax.php'); $identy = 'BMI-' . rand(10000000, 99999999); $remote_settings = [ 'identy' => $identy, 'manifest' => $database_file_dir . 'bmi_backup_manifest.json', 'backupname' => $this->backupname, 'safelimit' => $safe_limit, 'rev' => BMI_REV, 'total_files' => sizeof($this->org_files), 'filessofar' => 0, 'start' => microtime(true), 'config_dir' => BMI_CONFIG_DIR, 'content_dir' => trailingslashit(WP_CONTENT_DIR), 'backup_dir' => BMI_BACKUPS, 'abs_dir' => trailingslashit(ABSPATH), 'root_dir' => plugin_dir_path(BMI_ROOT_FILE), 'browser' => false, 'shareallowed' => BMP::canShareLogsOrShouldAsk(), 'dbiteratio' => 0, 'it' => 0, 'dbit' => 0, 'dblast' => 0, 'bmitmp' => BMI_TMP, 'url' => $url, 'db_v2_engine' => false, 'final_made' => false, 'final_batch' => false, 'dbitJustFinished' => false, 'useragent' => $_SERVER['HTTP_USER_AGENT'] ]; $fix = true; $Xfiles = glob(BMI_TMP . DIRECTORY_SEPARATOR . '.BMI-'); foreach ($Xfiles as $xfile) if (is_file($xfile)) unlink($xfile); touch(BMI_TMP . DIRECTORY_SEPARATOR . '.' . $identy); if ($fix === true) { if (BMI_LEGACY_HARD_VERSION === false && $cron === false) { $remote_settings['browser'] = true; $this->zip_progress->log(__("Saving backup configuration for current session...", 'backup-backup'), 'INFO'); $this->saveRemoteSettings($remote_settings); $this->zip_progress->log(__("Sending confirmation to user browser to keep pinging the process.", 'backup-backup'), 'INFO'); BMP::res(['status' => 'background_hard', 'filename' => $this->backupname, 'url' => $url]); exit; } else { $this->zip_progress->log(__("Saving backup configuration for current session...", 'backup-backup'), 'INFO'); $this->saveRemoteSettings($remote_settings); $this->zip_progress->log(__('Starting background process on server-side...', 'backup-backup'), 'INFO'); require_once BMI_INCLUDES . '/backup-process.php'; $request = new Bypasser($identy, BMI_CONFIG_DIR, trailingslashit(WP_CONTENT_DIR), BMI_BACKUPS, trailingslashit(ABSPATH), plugin_dir_path(BMI_ROOT_FILE)); $request->send_beat(true, $this->zip_progress); } } sleep(2); if (file_exists(BMI_BACKUPS . DIRECTORY_SEPARATOR . '.running')) { if (file_exists(BMI_TMP . DIRECTORY_SEPARATOR . '.' . $identy . '-running')) { // $this->zip_progress->log(__('Request received correctly – backup is running.', 'backup-backup'), 'SUCCESS'); if ($cron === true) return ['status' => 'background', 'filename' => $this->backupname]; else BMP::res(['status' => 'background', 'filename' => $this->backupname]); exit; } else { $this->zip_progress->log(__('Could not find any response from the server, trying again in 3 seconds.', 'backup-backup'), 'WARN'); sleep(3); if (file_exists(BMI_TMP . DIRECTORY_SEPARATOR . '.' . $identy . '-running')) { // $this->zip_progress->log(__('Request received correctly – backup is running.', 'backup-backup'), 'SUCCESS'); if ($cron === true) return ['status' => 'background', 'filename' => $this->backupname]; else BMP::res(['status' => 'background', 'filename' => $this->backupname]); exit; } else { $this->zip_progress->log(__('Still nothing backup probably is not running.', 'backup-backup'), 'WARN'); if (file_exists(BMI_TMP . DIRECTORY_SEPARATOR . '.' . $identy . '-running')) @unlink(BMI_TMP . DIRECTORY_SEPARATOR . '.' . $identy . '-running'); if (file_exists(BMI_TMP . DIRECTORY_SEPARATOR . '.' . $identy)) @unlink(BMI_TMP . DIRECTORY_SEPARATOR . '.' . $identy); throw new \Exception('Backup could not run on your server, please check global logs.'); } } } else { if ($cron === true) return ['status' => 'background', 'filename' => $this->backupname]; else BMP::res(['status' => 'background', 'filename' => $this->backupname]); exit; } // ob_end_clean(); exit; } else { if (defined('BMI_USING_CLI_FUNCTIONALITY') && BMI_USING_CLI_FUNCTIONALITY === true) { $this->zip_progress->log(__("Backup is running under PHP CLI environment.", 'backup-backup'), 'INFO'); } else { $this->zip_progress->log(__("Backup will run as single-request, may be unstable...", 'backup-backup'), 'WARN'); } } if ($this->dbDumped === false) { $this->createDatabaseDump($dbbackupname, $better_database_files_dir, $database_file, $database_file_dir); } $zipArchive = false; if (class_exists('\ZipArchive') \|\| class_exists('ZipArchive')) { if (!isset($zip)) { $zip = new \ZipArchive(); } if ($zip) { $zipArchive = true; } else { $zipArchive = false; } } // Check if PclZip exists if ($zipArchive === false) { 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-'); } if (!defined('PCLZIP_READ_BLOCK_SIZE')) { define('PCLZIP_READ_BLOCK_SIZE', 32768); } } // Require the LIB and check if it's compatible if (defined('BMI_PRO_PCLZIP') && file_exists(BMI_PRO_PCLZIP)) { $this->zip_progress->log(__('Using dedicated PclZIP for Premium Users.', 'backup-backup'), 'INFO'); require_once BMI_PRO_PCLZIP; } else { require_once trailingslashit(ABSPATH) . 'wp-admin/includes/class-pclzip.php'; } // Get/Create the Archive if (!$lib = new \PclZip($this->new_file_path)) { throw new \Exception('PHP-ZIP: Permission Denied or zlib can\'t be found'); } } else { if (file_exists($this->new_file_path)) $zip->open($this->new_file_path); else $zip->open($this->new_file_path, \ZipArchive::CREATE); $this->zip_progress->log('Using ZipArchive extension for this backup process.', 'INFO'); } // require the lib // 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-'); // } // if (defined('BMI_PRO_PCLZIP') && file_exists(BMI_PRO_PCLZIP)) { // $this->zip_progress->log(__('Using dedicated PclZIP for Premium Users.', 'backup-backup'), 'INFO'); // require_once BMI_PRO_PCLZIP; // } else { // require_once trailingslashit(ABSPATH) . 'wp-admin/includes/class-pclzip.php'; // } // } $common = $this->org_files; if ($this->dbDumped === true) { try { $this->zip_progress->log(__('Adding database SQL file(s) to the backup file.', 'backup-backup'), 'STEP'); $files = []; if ($database_file !== false && !($this->db_exporter_files && sizeof($this->db_exporter_files) > 0)) { $files[] = $database_file; } $this->zip_progress->log('Database files in total found: ' . sizeof($this->db_exporter_files), 'VERBOSE'); if ($this->db_exporter_files && sizeof($this->db_exporter_files) > 0) { for ($i = 0; $i < sizeof($this->db_exporter_files); ++$i) { $files[] = $this->db_exporter_files[$i]; } } else { $this->zip_progress->log(__('No database files found to be added into backup, ignore this message if database was not meant to be included.', 'backup-backup'), 'WARN'); $this->zip_progress->log('No database files found to be added into backup, ignore this message if database was not meant to be included.', 'VERBOSE'); } $files = array_filter($files, function ($path) { if (is_readable($path) && file_exists($path) && !is_link($path)) return true; else { $this->zip_progress->log(sprintf(__("Excluding file that cannot be read: %s", 'backup-backup'), $path), 'warn'); return false; } }); if (sizeof($files) > 0) { if ($zipArchive) { for ($i = 0; $i < sizeof($files); ++$i) { // Add the file $zip->addFile($files[$i], $this->cutDir($files[$i])); } $zAresult = $zip->close(); if ($zAresult !== true) { $this->zip_failed('Error, there is most likely not enough space for the backup.'); return false; } $zip->open($this->new_file_path); } else { $dbback = $lib->add($files, PCLZIP_OPT_REMOVE_PATH, $database_file_dir, PCLZIP_OPT_TEMP_FILE_THRESHOLD, $safe_limit); if ($dbback == 0) { $this->zip_failed($lib->errorInfo(true)); return false; } } } } catch (\Exception $e) { $this->zip_failed($e->getMessage()); return false; } catch (\Throwable $e) { $this->zip_failed($e->getMessage()); return false; } if (sizeof($files) > 0) { $this->zip_progress->log(__('Database added to the backup successfully.', 'backup-backup'), 'SUCCESS'); } else { $this->zip_progress->log(__('Database was not added to the backup.', 'backup-backup'), 'WARN'); } } $this->zip_progress->log(__('Performing site files backup...', 'backup-backup'), 'STEP'); try { $splitby = 200; $milestoneby = 500; $filestotal = sizeof($this->org_files); if ($filestotal < 3000) { $splitby = 250; $milestoneby = 500; } if ($filestotal > 5000) { $splitby = 500; $milestoneby = 500; } if ($filestotal > 10000) { $splitby = 1000; $milestoneby = 1000; } if ($filestotal > 15000) { $splitby = 2000; $milestoneby = 2000; } if ($filestotal > 20000) { $splitby = 4000; $milestoneby = 4000; } if ($filestotal > 25000) { $splitby = 6000; $milestoneby = 6000; } if ($filestotal > 30000) { $splitby = 8000; $milestoneby = 8000; } if ($filestotal > 32000) { $splitby = 10000; $milestoneby = 10000; } if ($filestotal > 60500) { $splitby = 20000; $milestoneby = 20000; } if ($filestotal > 90500) { $splitby = 40000; $milestoneby = 40000; } $this->zip_progress->log(__("Chunks contain ", 'backup-backup') . $splitby . __(" files.", 'backup-backup')); $chunks = array_chunk($this->org_files, $splitby); $chunkslen = sizeof($chunks); if ($chunkslen > 0) { $sizeoflast = sizeof($chunks[$chunkslen - 1]); if ($chunkslen > 1 && $sizeoflast == 1) { $buffer = array_slice($chunks[$chunkslen - 2], -1); $chunks[$chunkslen - 2] = array_slice($chunks[$chunkslen - 2], 0, -1); $chunks[$chunkslen - 1][] = $buffer[0]; } } $backupSize = 0; for ($i = 0; $i < $chunkslen; ++$i) { // Abort if user wants it (check every 100 files) if (file_exists(BMI_BACKUPS . '/.abort')) { break; } $back = 0; $chunk = $chunks[$i]; $chunk = array_filter($chunk, function ($path) { if (is_readable($path) && file_exists($path) && !is_link($path)) return true; else { $this->zip_progress->log(sprintf(__("Excluding file that cannot be read: %s", 'backup-backup'), $path), 'warn'); return false; } }); if (sizeof($chunk) > 0) { if ($zipArchive) { for ($j = 0; $j < sizeof($chunk); ++$j) { $path = 'wordpress' . DIRECTORY_SEPARATOR . substr($chunk[$j], strlen(ABSPATH)); // Add the file $path = str_replace('\\', '/', $path); $zip->addFile($chunk[$j], $path); } $zAresult = $zip->close(); if ($zAresult !== true) { $this->zip_failed('Error, there is most likely not enough space for the backup.'); return false; } $zip->open($this->new_file_path); } else { $back = $lib->add($chunk, PCLZIP_OPT_REMOVE_PATH, $abs, PCLZIP_OPT_ADD_PATH, 'wordpress' . DIRECTORY_SEPARATOR, PCLZIP_OPT_ADD_TEMP_FILE_ON, PCLZIP_OPT_TEMP_FILE_THRESHOLD, $safe_limit); if ($back == 0) { $this->zip_failed($lib->errorInfo(true)); return false; } } } $curfile = (($i $splitby) + $splitby); $this->zip_progress->progress($curfile . '/' . $max); if ($curfile % $milestoneby === 0 && $curfile < $max) { $currentBackupSize = filesize(BMI_BACKUPS . DIRECTORY_SEPARATOR . $this->new_file_path); if ($backupSize > $currentBackupSize) return $this->zip_failed('Backup size is smaller than it should be, it has been damaged, it may not be restorable, abort recommended.'); $backupSize = $currentBackupSize; $this->zip_progress->log(__("Milestone: ", 'backup-backup') . ($curfile . '/' . $max), 'info'); } } } catch (\Exception $e) { $this->zip_failed($e->getMessage()); return false; } catch (\Throwable $e) { $this->zip_failed($e->getMessage()); return false; } if (file_exists(BMI_BACKUPS . DIRECTORY_SEPARATOR . '.abort')) { $this->zip_progress->log('#002', 'END-CODE'); if (file_exists($database_file_dir . 'bmi_backup_manifest.json')) { @unlink($database_file_dir . 'bmi_backup_manifest.json'); } if (file_exists($database_file_dir . 'bmi_logs_this_backup.log')) { @unlink($database_file_dir . 'bmi_logs_this_backup.log'); } } else { // End $this->zip_progress->log(__("Milestone: ", 'backup-backup') . ($max . '/' . $max), 'info'); $this->zip_progress->log(__("Compressed ", 'backup-backup') . $max . __(" files", 'backup-backup'), 'SUCCESS'); // Log time of ZIP Process $this->zip_progress->log(__("Archiving of ", 'backup-backup') . $max . __(" files took: ", 'backup-backup') . number_format(microtime(true) - $this->start_zip, 2) . 's'); $this->zip_progress->log(__("Finalizing backup", 'backup-backup'), 'STEP'); $this->zip_progress->log(__("Generating manifest file and saving current live-log...", 'backup-backup'), 'INFO'); file_put_contents($database_file_dir . 'bmi_backup_manifest.json', $this->zip_progress->createManifest($dbBackupEngine)); file_put_contents($database_file_dir . 'bmi_logs_this_backup.log', file_get_contents(BMI_BACKUPS . DIRECTORY_SEPARATOR . 'latest.log')); sleep(1); $files = []; if (file_exists($database_file_dir . 'bmi_logs_this_backup.log')) $files[] = $database_file_dir . 'bmi_logs_this_backup.log'; if (file_exists($database_file_dir . 'bmi_backup_manifest.json')) $files[] = $database_file_dir . 'bmi_backup_manifest.json'; else { $this->zip_failed('Manifest file could not be added, manifest does not exist.'); return false; } $this->zip_progress->log(__("Adding manifest...", 'backup-backup'), 'INFO'); try { if ($zipArchive) { for ($i = 0; $i < sizeof($files); ++$i) { // Add the file $zip->addFile($files[$i], $this->cutDir($files[$i])); } $zAresult = $zip->close(); if ($zAresult !== true) { $this->zip_failed('Error, there is most likely not enough space for the backup.'); return false; } } else { $maback = $lib->add($files, PCLZIP_OPT_REMOVE_PATH, $database_file_dir, PCLZIP_OPT_ADD_TEMP_FILE_ON, PCLZIP_OPT_TEMP_FILE_THRESHOLD, $safe_limit); if ($maback == 0) { $this->zip_failed($lib->errorInfo(true)); return false; } } } catch (\Exception $e) { $this->zip_failed($e->getMessage()); return false; } catch (\Throwable $e) { $this->zip_failed($e->getMessage()); return false; } if (file_exists($database_file_dir . 'bmi_backup_manifest.json')) { @unlink($database_file_dir . 'bmi_backup_manifest.json'); } if (file_exists($database_file_dir . 'bmi_logs_this_backup.log')) { @unlink($database_file_dir . 'bmi_logs_this_backup.log'); } $this->zip_progress->progress($max . '/' . $max); $this->zip_progress->log(__("Manifest file and logs added to the backup. Temporary files removed.", 'backup-backup'), 'SUCCESS'); } } $this->zip_progress->log(__("Closing files and archives", 'backup-backup'), 'STEP'); // Remove Better DB SQL Files if ($this->db_exporter_files && sizeof($this->db_exporter_files) > 0) { for ($i = 0; $i < sizeof($this->db_exporter_files); ++$i) { if (file_exists($this->db_exporter_files[$i])) @unlink($this->db_exporter_files[$i]); } if (file_exists($better_database_files_dir) && is_dir($better_database_files_dir)) { @rmdir($better_database_files_dir); } } if ($database_file && file_exists($database_file)) @unlink($database_file); if (!file_exists($this->new_file_path)) { $this->zip_failed('PHP-ZIP: After doing the zipping file can not be found'); } if (filesize($this->new_file_path) === 0) { $this->zip_failed('PHP-ZIP: After doing the zipping file size is still 0 bytes'); } // empty the array $this->org_files = []; $this->zip_progress->log(__("Cleanup finished, backup complete.", 'backup-backup'), 'SUCCESS'); // $this->zip_progress->log('#001', 'END-CODE'); return true; } public function zip_files($files, $to) { $this->zip_start($to); $this->zip_add($files); return $this->zip_end(); } public function unzip_file($file_path, $target_dir = null, &$zip_progress = null) { // Progress $this->zip_progress = $zip_progress; // if it doesn't exist if (!file_exists($file_path)) { throw new \Exception("PHP-ZIP: File doesn't Exist"); } $this->extr_file = $file_path; // if (class_exists("ZipArchive")) $this->lib = 1; // else $this->lib = 2; $this->lib = 2; if ($target_dir !== null) { return $this->unzip_to($target_dir); } else { return true; } } public function extract_files($zip_path, $files, $target_dir = null, &$zip_progress = null, $isFirstExtract = true) { $this->zip_progress = $zip_progress; // it exists, but it's not a directory if (file_exists($target_dir) && (!is_dir($target_dir))) { throw new \Exception("PHP-ZIPv2: Target directory exists as a file not a directory"); } // it doesn't exist if (!file_exists($target_dir)) { if (!mkdir($target_dir)) { throw new \Exception("PHP-ZIPv2: Directory not found, and unable to create it"); } } // validations -- end // // TODO: NOTICE: Force disable PCLZIP if (class_exists("ZipArchive") \|\| class_exists("\ZipArchive")) { $zip = new \ZipArchive; $res = $zip->open($zip_path); if ($res === true) { if ($isFirstExtract) { $this->zip_progress->log(__("Using ZipArchive, omiting memory limit calculations...", 'backup-backup'), 'INFO'); } $zip->extractTo($target_dir, $files); $zip->close(); return true; } else { $this->restore_failed('PHP-ZIPv2: Could not open Backup with ZipArchive.'); return false; } } else { if ($isFirstExtract) { $this->zip_progress->log(__("ZipArchive is not available, using PclZIP.", 'backup-backup'), 'INFO'); } $safe_limit = $this->smartMemory($isFirstExtract); $this->loadPclZip($isFirstExtract); $lib = new \PclZip($zip_path); $restor = $lib->extract(PCLZIP_OPT_BY_NAME, $files, PCLZIP_OPT_PATH, $target_dir, PCLZIP_OPT_TEMP_FILE_THRESHOLD, $safe_limit); if ($restor == 0) { $this->restore_failed($lib->errorInfo(true)); return false; } return true; } } public function loadPclZip($isFirstExtract = true) { 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', $bmi_tmp_dir . DIRECTORY_SEPARATOR . 'bmi-'); } if (defined('BMI_PRO_PCLZIP') && file_exists(BMI_PRO_PCLZIP)) { require_once BMI_PRO_PCLZIP; if ($isFirstExtract) { $this->zip_progress->log(__('Using dedicated PclZIP for Premium Users.', 'backup-backup'), 'INFO'); } } else { require_once trailingslashit(ABSPATH) . 'wp-admin/includes/class-pclzip.php'; } } } public function smartMemory($isFirstExtract = true) { // Smart memory -- start // if ($this->zip_progress != null && $isFirstExtract) { $this->zip_progress->log(__("Smart memory calculation...", 'backup-backup'), 'STEP'); } if ((intval($this->return_bytes(ini_get('memory_limit'))) / 1024 / 1024) < 384) { @ini_set('memory_limit', '384M'); } $memory_limit = (intval($this->return_bytes(ini_get('memory_limit'))) / 1024 / 1024); if ($this->zip_progress != null && $isFirstExtract) { $this->zip_progress->log(str_replace('%s', $memory_limit, __("There is %s MBs of memory to use", 'backup-backup')), 'INFO'); } $safe_limit = intval($memory_limit / 4); if ($safe_limit > 64) $safe_limit = 64; if ($memory_limit === 384) $safe_limit = 78; if ($memory_limit >= 512) $safe_limit = 104; if ($memory_limit >= 1024) $safe_limit = 228; if ($memory_limit >= 2048) $safe_limit = 428; // $real_memory = intval(memory_get_usage() * 0.9 / 1024 / 1024); // if ($real_memory < $safe_limit) $safe_limit = $real_memory; $safe_limit = intval($safe_limit * 0.8); if ($this->zip_progress != null && $isFirstExtract) { $this->zip_progress->log(str_replace('%s', $safe_limit, __("Setting the safe limit to %s MB", 'backup-backup')), 'SUCCESS'); } // Smart memory -- end // return $safe_limit; } public function unzip_to($target_dir) { // validations -- start // if ($this->lib === 0 && $this->extr_file === 0) { throw new \Exception("PHP-ZIP: unzip_file hasn't been called"); } // it exists, but it's not a directory if (file_exists($target_dir) && (!is_dir($target_dir))) { throw new \Exception("PHP-ZIP: Target directory exists as a file not a directory"); } // it doesn't exist if (!file_exists($target_dir)) { if (!mkdir($target_dir)) { throw new \Exception("PHP-ZIP: Directory not found, and unable to create it"); } } // validations -- end // // Target Directory $this->extr_dirc = $target_dir; // Smart Memory $safe_limit = $this->smartMemory(); // Extract msg $this->zip_progress->log(__('Extracting files into temporary directory (this process can take some time)...', 'backup_migration'), 'STEP'); // Force PCL Zip $this->lib = 2; // extract using ZipArchive // if($this->lib === 1) { // $lib = new \ZipArchive; // if(!$lib->open($this->extr_file)) throw new \Exception("PHP-ZIP: Unable to open the zip file"); // if(!$lib->extractTo($this->extr_dirc)) throw new \Exception("PHP-ZIP: Unable to extract files"); // $lib->close(); // } // extarct using PclZip if ($this->lib === 2) { $this->loadPclZip(); $lib = new \PclZip($this->extr_file); $restor = $lib->extract(PCLZIP_OPT_PATH, $this->extr_dirc, PCLZIP_OPT_TEMP_FILE_THRESHOLD, $safe_limit); if ($restor == 0) { $this->restore_failed($lib->errorInfo(true)); return false; } } return true; } private function dir_to_assoc_arr(DirectoryIterator $dir) { $data = []; foreach ($dir as $node) { if ($node->isDir() && !$node->isDot()) { $data[$node->getFilename()] = $this->dir_to_assoc_arr(new DirectoryIterator($node->getPathname())); } elseif ($node->isFile()) { $data[] = $node->getFilename(); } } return $data; } private function path() { return join(DIRECTORY_SEPARATOR, func_get_args()); } private function commonPath($files, $remove = true) { foreach ($files as $index => $filesStr) { $files[$index] = explode(DIRECTORY_SEPARATOR, $filesStr); } $toDiff = $files; foreach ($toDiff as $arr_i => $arr) { foreach ($arr as $name_i => $name) { $toDiff[$arr_i][$name_i] = $name . "___" . $name_i; } } $diff = call_user_func_array("array_diff", $toDiff); reset($diff); $i = key($diff) - 1; if ($remove) { foreach ($files as $index => $arr) { $files[$index] = implode(DIRECTORY_SEPARATOR, array_slice($files[$index], $i)); } } else { foreach ($files as $index => $arr) { $files[$index] = implode(DIRECTORY_SEPARATOR, array_slice($files[$index], 0, $i)); } } return $files; } }

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