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<?php /** * wp-clone-by-wp-academy Wordpress plugin to backup and migrate Wordpress website. * * @URI https://wordpress.org/plugins/wp-clone-by-wp-academy * * @developed by Shaharia Azam <mail@shaharia.com> / function wpCloneSafePathMode($path) { return str_replace("\\", "/", $path); } function wpCloneDirectory($path) { return rtrim(str_replace("//", "/", wpCloneSafePathMode($path)), '/') . '/'; } function convertPathIntoUrl($path) { return str_replace(rtrim(WPCLONE_ROOT, "/\\"), site_url(), $path); } function convertUrlIntoPath($url) { return str_replace(site_url(), rtrim(WPCLONE_ROOT, "/\\"), $url); } function wpa_db_backup_wpdb($destination) { global $wpdb; $return = ''; // Get all of the tables if( isset( $_POST['ignore_prefix'] ) && 'true' === $_POST['ignore_prefix'] ) { wpa_wpc_log( 'ignore prefix enabled, backing up all the tables' ); $tables = $wpdb->get_col('SHOW TABLES'); } else { wpa_wpc_log( sprintf( 'backing up tables with "%s" prefix', $wpdb->prefix ) ); $tables = $wpdb->get_col('SHOW TABLES LIKE "' . $wpdb->prefix . '%"'); } wpa_wpc_log( sprintf( 'number of tables to backup - %d', count( $tables ) ) ); // Cycle through each provided table foreach ($tables as $table) { // First part of the output � remove the table $result = $wpdb->get_results("SELECT FROM {$table}", ARRAY_N); $numberOfItems = count($result); if ($numberOfItems == 0) { // Empty table - don't attempt to use $result[0] as it doesn't exist $numberOfFields = 0; } else { $numberOfFields = count($result[0]); } // Second part of the output � create table $row2 = $wpdb->get_row("SHOW CREATE TABLE {$table}", ARRAY_N); $return.= 'DROP TABLE IF EXISTS '.$table.';'; $return .= "\n\n" . $row2[1] . ";\n\n"; // Third part of the output � insert values into new table for ($currentRowNumber = 0; $currentRowNumber < $numberOfItems; $currentRowNumber++) { $row = $result[$currentRowNumber]; $query = "INSERT INTO {$table} VALUES("; for ($j = 0; $j < $numberOfFields; $j++) { // Change to 'isset()' instead of 'empty()' as 'empty()' returns true for the // string "0" - but we may need to explicitly set value to 0 for fields where this // is not the default. This makes the output of this method identical to the // wpa_db_backup_direct() method $query .= (!isset($row[$j])) ? '"", ' : '"' . esc_sql($row[$j]) . '", '; } $return .= substr($query, 0, -2) . ");\n"; } $return .= "\n"; } // Generate the filename for the sql file $File_open = fopen($destination . '/database.sql', 'w+'); // Save the sql file fwrite($File_open, $return); //file close fclose($File_open); $wpdb->flush(); } /** * @link http://davidwalsh.name/backup-mysql-database-php / function wpa_db_backup_direct($destination) { global $wpdb; $prefix = $wpdb->prefix; $wpcdb = wpa_wpc_mysql_connect(); if ( false === $wpcdb->get_dbh() ) { wpa_backup_error('db', $wpcdb->error() ); } $tables = array(); if( isset( $_POST['ignore_prefix'] ) && 'true' === $_POST['ignore_prefix'] ) { wpa_wpc_log( 'ignore prefix enabled, backing up all the tables' ); $result = $wpcbd->query('SHOW TABLES'); } else { wpa_wpc_log( sprintf( 'backing up tables with "%s" prefix', $prefix ) ); $result = $wpcdb->query('SHOW TABLES LIKE "' . $prefix . '%"'); } if ( false === $result ) { wpa_backup_error('db', $wpcdb->error() ); } while( $row = $wpcdb->fetch_row( $result ) ) { $tables[] = $row[0]; } wpa_wpc_log( sprintf( 'number of tables to backup - %d', count( $tables ) ) ); $return = ''; foreach($tables as $table) { $result = $wpcdb->query( 'SELECT FROM ' . $table ); if ( false === $result ) { wpa_backup_error('db', $wpcdb->error() ); } $num_fields = $wpcdb->num_fields($result); $return.= 'DROP TABLE IF EXISTS '.$table.';'; $row2 = $wpcdb->fetch_row( $wpcdb->query( 'SHOW CREATE TABLE ' . $table ) ); $return.= "\n\n".$row2[1].";\n\n"; for ($i = 0; $i < $num_fields; $i++) { while($row = $wpcdb->fetch_row($result)) { $return.= 'INSERT INTO '.$table.' VALUES('; for($j=0; $j<$num_fields; $j++) { $row[$j] = esc_sql($row[$j]); if (isset($row[$j])) { $return.= '"'.$row[$j].'"' ; } else { $return.= '""'; } if ($j<($num_fields-1)) { $return.= ', '; } // Add extra space to match wpdb backup method } $return.= ");\n"; } } $return.="\n"; } //save file $handle = fopen($destination . '/database.sql','w+'); fwrite($handle,$return); fclose($handle); } function wpa_insert_data($name, $size) { $backups = get_option( 'wpclone_backups' ); $time = current_time( 'timestamp', get_option('gmt_offset') ); global $current_user; $backup = array( $time => array( 'name' => $name . '.zip', 'log' => $name . '.log', 'creator' => $current_user->user_login, 'size' => $size ) ); if( false === $backups ) { add_option( 'wpclone_backups', $backup ); return; } $backups = $backups + $backup; update_option( 'wpclone_backups', $backups ); return; } function CreateWPFullBackupZip($backupName, $zipmode, $use_wpdb = false ) { $folderToBeZipped = WPCLONE_DIR_BACKUP . 'wpclone_backup'; $htaccess = "<Files>\r\n\tOrder allow,deny\r\n\tDeny from all\r\n\tSatisfy all\r\n</Files>"; $zipFileName = WPCLONE_DIR_BACKUP . $backupName . '.zip'; $exclude = wpa_excluded_dirs(); $dbonly = isset( $_POST['dbonly'] ) && 'true' == $_POST['dbonly'] ? true : false; $skip = 25 * 1024 * 1024; if( isset( $_POST['skipfiles'] ) && '' !== $_POST['skipfiles'] ) { if( 0 === $_POST['skipfiles'] ) { $skip = false; } else { $skip = $_POST['skipfiles'] * 1024 * 1024; } } if( false === mkdir( $folderToBeZipped ) ) { wpa_backup_error ( 'file', sprintf( __( 'Unable to create the temporary backup directory,please make sure that PHP has permission to write into the <code>%s</code> directory.' ), WPCLONE_DIR_BACKUP ) ); } file_put_contents( $folderToBeZipped . '/.htaccess', $htaccess ); if( $dbonly ) { wpa_wpc_log ( 'database only backup, no files will be copied' ); } if( false === $dbonly ) { if( $skip ) { wpa_wpc_log( sprintf( 'files larger than %s will be excluded from the backup', bytesToSize( $skip ) ) ); } wpa_wpc_log( 'generating file list' ); file_put_contents( $folderToBeZipped . '/file.list', serialize( wpa_wpc_get_filelist( WPCLONE_WP_CONTENT, $exclude, $skip ) ) ); wpa_wpc_log( 'finished generating file list' ); } wpa_save_prefix($folderToBeZipped); /* error handler is called from within the db backup functions / if ( $use_wpdb ) { wpa_wpc_log ( 'database backup started [wpdb]' ); wpa_db_backup_wpdb( $folderToBeZipped ); } else { wpa_wpc_log ( 'database backup started' ); wpa_db_backup_direct( $folderToBeZipped ); } wpa_wpc_log ( 'database backup finished' ); / error handler is called from within the wpa_zip function / wpa_zip($zipFileName, $folderToBeZipped, $zipmode); wpa_delete_dir( $folderToBeZipped ); if( ! file_exists( $zipFileName ) ) { wpa_backup_error( 'backup', 'possibly out of free disk space' ); } $zipSize = filesize($zipFileName); return array($backupName, $zipSize); } function DeleteWPBackupZip($nm) { $backups = get_option( 'wpclone_backups' ); if( empty( $backups ) \|\| ! isset( $backups[$nm] ) ) { return array( 'status' => 'failed', 'msg' => 'Something is not quite right here, refresh the backup list and try again later.' ); } if( isset( $backups[$nm]['log'] ) && file_exists( WPCLONE_DIR_BACKUP . $backups[$nm]['log'] ) ) { @unlink( WPCLONE_DIR_BACKUP . $backups[$nm]['log'] ); } if ( file_exists( WPCLONE_DIR_BACKUP . $backups[$nm]['name'] ) ) { if( ! unlink( WPCLONE_DIR_BACKUP . $backups[$nm]['name'] ) ) { return array( 'status' => 'failed', 'msg' => 'Unable to delete file' ); } unset( $backups[$nm] ); update_option( 'wpclone_backups', $backups ); return array( 'status' => 'deleted', 'msg' => 'File deleted' ); } else { return array( 'status' => 'failed', 'msg' => 'File not found. Refresh the backup list to remove missing backups.' ); } } function bytesToSize($bytes, $precision = 2) { $kilobyte = 1024; $megabyte = $kilobyte 1024; $gigabyte = $megabyte * 1024; $terabyte = $gigabyte * 1024; if (($bytes >= 0) && ($bytes < $kilobyte)) { return $bytes . ' B'; } elseif (($bytes >= $kilobyte) && ($bytes < $megabyte)) { return round($bytes / $kilobyte, $precision) . ' KB'; } elseif (($bytes >= $megabyte) && ($bytes < $gigabyte)) { return round($bytes / $megabyte, $precision) . ' MB'; } elseif (($bytes >= $gigabyte) && ($bytes < $terabyte)) { return round($bytes / $gigabyte, $precision) . ' GB'; } elseif ($bytes >= $terabyte) { return round($bytes / $terabyte, $precision) . ' TB'; } else { return $bytes . ' B'; } } function wpa_wpc_get_url( $db ) { $pos = strpos( $db, 'siteurl' ) + 8; $urlStartPos = strpos( $db, '"', $pos ) + 1; $urlEndPos = strpos( $db, '"', $urlStartPos ); $backupSiteUrl = substr( $db, $urlStartPos, $urlEndPos - $urlStartPos ); return $backupSiteUrl; } function wpa_wpc_mysql_connect() { // Use subclass of wpdb to ensure compatibility with WordPress database and use the appropriate MySQL module // and provide the extra functions we need $db = new wpc_wpdb( DB_USER, DB_PASSWORD, DB_NAME, DB_HOST ); return $db; } /** * @param type $search URL of the previous site. * @param type $replace URL of the current site. * @return type total time it took for the operation. / function wpa_safe_replace_wrapper ( $search, $replace, $prefix ) { if ( !function_exists( 'icit_srdb_replacer' ) && !function_exists( 'recursive_unserialize_replace' ) ) { require_once 'icit_srdb_replacer.php'; } wpa_wpc_log( 'search and replace started' ); $wpcdb = wpa_wpc_mysql_connect(); if ( false === $wpcdb->get_dbh() ) { wpa_wpc_log( 'mysql connection failure @ safe replace wrapper - error : "' . $wpdbc->error() . '" retrying..' ); $wpcdb->close(); sleep(1); // Try to create a new connection $wpcdb = wpa_wpc_mysql_connect(); } $all_tables = array(); if( isset( $_POST['ignore_prefix'] ) && 'true' === $_POST['ignore_prefix'] ) { wpa_wpc_log( 'ignore table prefix enabled, search and replace will scan all the tables in the database' ); $all_tables_mysql = @$wpcdb->query( 'SHOW TABLES' ); } else { $all_tables_mysql = @$wpcdb->query( 'SHOW TABLES LIKE "' . $prefix . '%"' ); } while ( $table = $wpcdb->fetch_array( $all_tables_mysql ) ) { $all_tables[] = $table[ 0 ]; } wpa_wpc_log( sprintf( 'there are %d tables to scan', count( $all_tables ) ) ); $report = icit_srdb_replacer( $wpcdb, $search, $replace, $all_tables ); $wpcdb->close( ); wpa_wpc_log( 'search and replace finished' ); return $report; } function wpa_wpc_temp_dir() { global $wp_filesystem; $temp_dir = trailingslashit( WPCLONE_WP_CONTENT ) . 'wpclone-temp'; $err = $wp_filesystem->mkdir( $temp_dir ); if ( is_wp_error( $err ) ) { wpa_backup_error('dirrest', $err->get_error_message(), true ); } $content = "<Files>\r\n\tOrder allow,deny\r\n\tDeny from all\r\n\tSatisfy all\r\n</Files>"; $file = trailingslashit( $temp_dir ) . '.htaccess'; $wp_filesystem->put_contents( $file, $content, 0644 ); return $temp_dir; } function processRestoringBackup($url, $zipmode) { if( true === is_multisite() ) die( 'wpclone does not work on multisite installs.' ); wpa_cleanup( true ); if (!is_string($url) \|\| '' == $url) { wpa_backup_error( 'restore', sprintf( __( 'The provided URL "<code>%s</code>" is either not valid or empty' ), $url ), true ); } global $wp_filesystem; $GLOBALS['wpclone']['logfile'] = 'wpclone_restore_' . current_time( 'dS_M_Y_h-iA', false ) . '_' . wp_generate_password( 10, false ) . '.log'; wpa_wpc_log_start( 'restore' ); if( $zipmode ) { define( 'PCLZIP_TEMPORARY_DIR', WPCLONE_DIR_BACKUP ); } $temp_dir = wpa_wpc_temp_dir(); $site_url = site_url(); $permalink_url = admin_url( 'options-permalink.php' ); $zipfile = wpa_fetch_file($url); $report = wpa_wpc_process_db( $zipfile, $zipmode ); $unzipped_folder = wpCloneSafePathMode( trailingslashit( $temp_dir ) . 'wpclone_backup' ); wpa_unzip( $zipfile, $temp_dir, $zipmode ); wpa_wpc_log( 'copying files..' ); wpa_copy( $unzipped_folder . '/wp-content', WPCLONE_WP_CONTENT ); wpa_wpc_log( 'deleting temp directory..' ); $wp_filesystem->delete( $temp_dir, true ); / remove the zip file only if it was downloaded from an external location. / $wptmp = explode( '.', $zipfile ); if ( in_array( 'tmp', $wptmp ) ) { wpa_wpc_log( 'deleting downloaded zip file..' ); $wp_filesystem->delete( $zipfile ); } wpa_wpc_log( 'restore finished' ); echo '<div class=""><h1>Restore Successful!</h1>'; printf( 'Visit your restored site [ <a href="%s" target=blank>here</a> ]<br><br>', $site_url ); printf( '<strong>You may need to re-save your permalink structure <a href="%s" target=blank>Here</a></strong>', $permalink_url ); printf( '</br><a href="%s">log</a>', convertPathIntoUrl( WPCLONE_DIR_BACKUP . $GLOBALS['wpclone']['logfile'] ) ); ?> <?php unset( $GLOBALS['wpclone'] ); echo wpa_wpc_search_n_replace_report( $report ); } function wpa_wpc_search_n_replace_report( $report ) { if( is_string( $report ) ) { return sprintf( '<div class="info"><p>%s</p></div>', $report ); } $time = array_sum( explode( ' ', $report[ 'end' ] ) ) - array_sum( explode( ' ', $report[ 'start' ] ) ); $return = sprintf( '<div class="info"><p>Search and replace scanned <strong>%d</strong> tables with a total of <strong>%d</strong> rows. ' , $report['tables'], $report['rows'] ); $return .= sprintf( '<strong>%d</strong> cells were changed and <strong>%d</strong> db updates were performed in <strong>%f</strong> seconds.</p></div>', $report['change'], $report['updates'], $time ); if ( ! empty( $report['errors'] ) && is_array( $report['errors'] ) ) { $return .= '<div>'; $return .= '<h4>search and replace returned the following errors.</h4>'; foreach( $report['errors'] as $error ) { $return .= '<p class="error">' . $error . '</p>'; } $return .= '</div>'; } return $return; } function wpa_save_prefix($path) { global $wpdb; $prefix = $wpdb->prefix; $file = $path . '/prefix.txt'; if ( is_dir($path) && is_writable($path) ) { file_put_contents($file, $prefix); } } /* * Checks to see whether the destination site's table prefix matches that of the origin site.old prefix is returned in case of a mismatch. * * @param type $file path to the prefix.txt file. * @return type bool string / function wpa_check_prefix($file) { global $wpdb; $prefix = $wpdb->prefix; if (file_exists($file) && is_readable($file)) { $old_prefix = file_get_contents($file); if ( $prefix !== $old_prefix ) { return $old_prefix; } else { return false; } } return false; } /* * @since 2.0.6 * * @param type $zipfile path to the zip file that needs to be extracted. * @param type $path the place to where the file needs to be extracted. * @return as false in the event of failure. / function wpa_unzip($zipfile, $path, $zipmode = false){ if ( $zipmode \|\| ( ! in_array('ZipArchive', get_declared_classes() ) \|\| ! class_exists( 'ZipArchive' ) ) ) { wpa_wpc_log( 'extracting archive using pclzip' ); if ( ini_get('mbstring.func_overload') && function_exists('mb_internal_encoding') ) { $previous_encoding = mb_internal_encoding(); mb_internal_encoding('ISO-8859-1'); } require_once ( ABSPATH . 'wp-admin/includes/class-pclzip.php' ); $z = new PclZip($zipfile); $files = $z->extract( PCLZIP_OPT_PATH, $path ); if ( isset( $previous_encoding ) ) { mb_internal_encoding( $previous_encoding ); } if ( $files === 0 ) { wpa_backup_error( 'pclunzip', $z->errorInfo(true), true ); } } else { wpa_wpc_log( 'extracting archive using ziparchive' ); wpa_wpc_unzip( $zipfile, $path ); } } /* * @since 2.0.6 * * @param type $name name of the zip file. * @param type $file_list an array of files that needs to be archived. / function wpa_zip($zip_name, $folder, $zipmode = false){ if ( $zipmode \|\| (!in_array('ZipArchive', get_declared_classes()) \|\| !class_exists('ZipArchive')) ) { wpa_wpc_log( 'archiving files using pclzip' ); $zipmode = true; define('PCLZIP_TEMPORARY_DIR', WPCLONE_DIR_BACKUP); require_once ( ABSPATH . 'wp-admin/includes/class-pclzip.php'); $z = new PclZip($zip_name); $v_list = $z->create($folder, PCLZIP_OPT_REMOVE_PATH, WPCLONE_DIR_BACKUP ); if ($v_list == 0) { wpa_backup_error( 'pclzip', $z->errorInfo(true) ); } $file_list = wpa_wpc_zip( $z, $zipmode ); if( $file_list ) { $z->add( $file_list, PCLZIP_OPT_REMOVE_PATH, WPCLONE_ROOT, PCLZIP_OPT_ADD_PATH, 'wpclone_backup' ); } $z->delete( PCLZIP_OPT_BY_NAME, 'wpclone_backup/file.list' ); } else { wpa_wpc_log( 'archiving files using ziparchive' ); $z = new ZipArchive(); if ( true !== $z->open( $zip_name, ZIPARCHIVE::CREATE ) ) { wpa_backup_error( 'zip', $z->getStatusString() ); } wpa_ziparc($z, $folder, WPCLONE_DIR_BACKUP); wpa_wpc_zip( $z, $zipmode ); $z->deleteName( 'wpclone_backup/file.list' ); $z->close(); } } function wpa_ziparc($zip, $dir, $base) { $new_folder = str_replace($base, '', $dir); $zip->addEmptyDir($new_folder); foreach( glob( $dir . '/' ) as $file ){ if( is_dir($file) ) { wpa_ziparc($zip, $file, $base); } else { $new_file = str_replace( $base, '', $file ); $zip->addFile($file, $new_file); } } } /** * just a simple function to increase PHP limits. * @since 2.0.6 / function wpa_bump_limits(){ $GLOBALS['wpclone'] = array(); $GLOBALS['wpclone']['time'] = isset( $_POST['maxexec'] ) && '' != $_POST['maxexec'] ? $_POST['maxexec'] : 600; / 10 minutes / $GLOBALS['wpclone']['mem'] = isset ( $_POST['maxmem'] ) && '' != $_POST['maxmem'] ? $_POST['maxmem'] . 'M' : '1024M'; @ini_set('memory_limit', $GLOBALS['wpclone']['mem']); @ini_set('max_execution_time', $GLOBALS['wpclone']['time']); @ini_set('mysql.connect_timeout', $GLOBALS['wpclone']['time']); @ini_set('default_socket_timeout', $GLOBALS['wpclone']['time']); } /* * @since 2.0.6 / function wpa_wpfs_init(){ if (!empty($_REQUEST['del'])) { wpa_remove_backup(); return true; } if (empty($_POST)) return false; check_admin_referer('wpclone-submit'); wpa_bump_limits(); if (isset($_POST['createBackup'])) { wpa_create_backup(); return true; } $form_post = wp_nonce_url('admin.php?page=wp-clone', 'wpclone-submit'); $extra_fields = array( 'restore_from_url', 'maxmem', 'maxexec', 'zipmode', 'ignore_prefix', 'wipedb', 'mysql_check', 'restoreBackup', 'createBackup' ); $type = ''; if ( false === ($creds = request_filesystem_credentials($form_post, $type, false, false, $extra_fields)) ){ return true; } if (!WP_Filesystem($creds)) { request_filesystem_credentials($form_post, $type, true, false, $extra_fields); return true; } $zipmode = isset($_POST['zipmode']) ? true : false; $url = isset($_POST['restoreBackup']) ? $_POST['restoreBackup'] : $_POST['restore_from_url']; processRestoringBackup($url, $zipmode); return true; } /* * @since 2.0.6 / function wpa_copy($source, $target) { global $wp_filesystem; if (is_readable($source)) { if (is_dir($source)) { if (!file_exists($target)) { $wp_filesystem->mkdir($target); } $d = dir($source); while (FALSE !== ($entry = $d->read())) { if ($entry == '.' \|\| $entry == '..') { continue; } $Entry = "{$source}/{$entry}"; if (is_dir($Entry)) { wpa_copy($Entry, $target . '/' . $entry); } else { $wp_filesystem->copy($Entry, $target . '/' . $entry, true, FS_CHMOD_FILE); } } $d->close(); } else { $wp_filesystem->copy($source, $target, true); } } } /* * @since 2.0.6 / function wpa_replace_prefix( $current, $new ){ $wpconfig = wpa_wpconfig_path(); global $wp_filesystem; if ( ! $wp_filesystem->is_writable($wpconfig) ) { if( false === $wp_filesystem->chmod( $wpconfig ) ) wpa_backup_error('wpconfig', sprintf( __( "<code>%s</code> is not writable and wpclone was unable to change the file permissions." ), $wpconfig ), true ); } $content = file( $wpconfig ); foreach( $content as $key => $value ) { if( false !== strpos( $value, '$table_prefix' ) ) { $content[$key] = str_replace( $current, $new, $value ); } } $content = implode( $content ); $wp_filesystem->put_contents( $wpconfig, $content, 0600 ); } /* * @since 2.0.6 / function wpa_create_backup (){ if( true === is_multisite() ) die( 'wpclone does not work on multisite installs.' ); if ( !file_exists(WPCLONE_DIR_BACKUP) ) { wpa_create_directory(); } wpa_cleanup(); $use_wpdb = isset( $_POST['use_wpdb'] ) && 'true' == $_POST['use_wpdb'] ? true : false; $backupName = wpa_backup_name(); $GLOBALS['wpclone']['logfile'] = $backupName . '.log'; wpa_wpc_log_start( 'backup' ); $zipmode = isset($_POST['zipmode']) ? true : false; list($zipFileName, $zipSize) = CreateWPFullBackupZip($backupName, $zipmode, $use_wpdb); wpa_insert_data($zipFileName, $zipSize); $backZipPath = convertPathIntoUrl(WPCLONE_DIR_BACKUP . $zipFileName . '.zip'); $zipSize = bytesToSize($zipSize); wpa_wpc_log( 'backup finished'); echo <<<EOF <h1>Backup Successful!</h1> <br /> Here is your backup file : <br /> <a href='{$backZipPath}'><span>{$backZipPath}</span></a> ( {$zipSize} )   \|   <input type='hidden' name='backupUrl' class='backupUrl' value="{$backZipPath}" /> <a class='copy-button' href='#' data-clipboard-text='{$backZipPath}'>Copy URL</a>  <br /><br /> (Copy that link and paste it into the "Restore URL" of your new WordPress installation to clone this site) EOF; printf( '</br><a href="%s">log</a>', convertPathIntoUrl( WPCLONE_DIR_BACKUP . $GLOBALS['wpclone']['logfile'] ) ); unset( $GLOBALS['wpclone'] ); } /* * @since 2.0.6 / function wpa_remove_backup(){ check_admin_referer('wpclone-submit'); $deleteRow = DeleteWPBackupZip($_REQUEST['del']); echo $deleteRow['msg']; } /* * @since 2.1.2 * copypasta from wp-load.php * @return the path to wp-config.php / function wpa_wpconfig_path () { if ( file_exists( ABSPATH . 'wp-config.php') ) { /* The config file resides in ABSPATH / return ABSPATH . 'wp-config.php'; } elseif ( file_exists( dirname(ABSPATH) . '/wp-config.php' ) && ! file_exists( dirname(ABSPATH) . '/wp-settings.php' ) ) { /* The config file resides one level above ABSPATH but is not part of another install / return dirname(ABSPATH) . '/wp-config.php'; } else { return false; } } function wcbwa_download_url_alternate( $url, $timeout = 300, $signature_verification = false ){ //WARNING: The file is not automatically deleted, The script must unlink() the file. if ( ! $url ) { return new WP_Error( 'http_no_url', __( 'Invalid URL Provided.' ) ); } $url_filename = basename( parse_url( $url, PHP_URL_PATH ) ); $tmpfname = wp_tempnam( $url_filename ); if ( ! $tmpfname ) { return new WP_Error( 'http_no_file', __( 'Could not create Temporary file.' ) ); } $response = wp_remote_get( $url, array( 'timeout' => $timeout, 'stream' => true, 'filename' => $tmpfname, ) ); if ( is_wp_error( $response ) ) { unlink( $tmpfname ); return $response; } $response_code = wp_remote_retrieve_response_code( $response ); if ( 200 != $response_code ) { $data = array( 'code' => $response_code, ); // Retrieve a sample of the response body for debugging purposes. $tmpf = fopen( $tmpfname, 'rb' ); if ( $tmpf ) { /* * Filters the maximum error response body size in `download_url()`. * * @since 5.1.0 * * @see download_url() * * @param int $size The maximum error response body size. Default 1 KB. / $response_size = apply_filters( 'download_url_error_max_body_size', KB_IN_BYTES ); $data['body'] = fread( $tmpf, $response_size ); fclose( $tmpf ); } unlink( $tmpfname ); return new WP_Error( 'http_404', trim( wp_remote_retrieve_response_message( $response ) ), $data ); } $content_md5 = wp_remote_retrieve_header( $response, 'content-md5' ); if ( $content_md5 ) { $md5_check = verify_file_md5( $tmpfname, $content_md5 ); if ( is_wp_error( $md5_check ) ) { unlink( $tmpfname ); return $md5_check; } } // If the caller expects signature verification to occur, check to see if this URL supports it. if ( $signature_verification ) { /* * Filters the list of hosts which should have Signature Verification attempteds on. * * @since 5.2.0 * * @param array List of hostnames. / $signed_hostnames = apply_filters( 'wp_signature_hosts', array( 'wordpress.org', 'downloads.wordpress.org', 's.w.org' ) ); $signature_verification = in_array( parse_url( $url, PHP_URL_HOST ), $signed_hostnames, true ); } // Perform signature valiation if supported. if ( $signature_verification ) { $signature = wp_remote_retrieve_header( $response, 'x-content-signature' ); if ( ! $signature ) { // Retrieve signatures from a file if the header wasn't included. // WordPress.org stores signatures at $package_url.sig $signature_url = false; $url_path = parse_url( $url, PHP_URL_PATH ); if ( substr( $url_path, -4 ) == '.zip' \|\| substr( $url_path, -7 ) == '.tar.gz' ) { $signature_url = str_replace( $url_path, $url_path . '.sig', $url ); } /* * Filter the URL where the signature for a file is located. * * @since 5.2.0 * * @param false\|string $signature_url The URL where signatures can be found for a file, or false if none are known. * @param string $url The URL being verified. / $signature_url = apply_filters( 'wp_signature_url', $signature_url, $url ); if ( $signature_url ) { $signature_request = wp_safe_remote_get( $signature_url, array( 'limit_response_size' => 10 1024, // 10KB should be large enough for quite a few signatures. ) ); if ( ! is_wp_error( $signature_request ) && 200 === wp_remote_retrieve_response_code( $signature_request ) ) { $signature = explode( "\n", wp_remote_retrieve_body( $signature_request ) ); } } } // Perform the checks. $signature_verification = verify_file_signature( $tmpfname, $signature, basename( parse_url( $url, PHP_URL_PATH ) ) ); } if ( is_wp_error( $signature_verification ) ) { if ( /** * Filters whether Signature Verification failures should be allowed to soft fail. * * WARNING: This may be removed from a future release. * * @since 5.2.0 * * @param bool $signature_softfail If a softfail is allowed. * @param string $url The url being accessed. / apply_filters( 'wp_signature_softfail', true, $url ) ) { $signature_verification->add_data( $tmpfname, 'softfail-filename' ); } else { // Hard-fail. unlink( $tmpfname ); } return $signature_verification; } return $tmpfname; } function wpa_fetch_file($path){ $z = pathinfo($path); global $wp_filesystem; if ( $wp_filesystem->is_file(WPCLONE_DIR_BACKUP . $z['basename']) ) { wpa_wpc_log( 'file exists in the backup folder, filesize - ' . bytesToSize( filesize( WPCLONE_DIR_BACKUP . $z['basename'] ) ) ); return WPCLONE_DIR_BACKUP . $z['basename']; } else { wpa_wpc_log( 'file download started' ); $url = wcbwa_download_url_alternate($path, ini_get("max_execution_time")); //$url = download_url($path); if ( is_wp_error($url) ) { wpa_backup_error( 'url', $url->get_error_message(), true ); } wpa_wpc_log( 'download finished, filesize - ' . bytesToSize( filesize( $url ) ) ); return $url; } } function wpa_backup_name() { $backup_name = 'wpclone_backup_' . current_time( 'dS_M_Y_h-iA', false ) . '_' . get_option( 'blogname' ); $backup_name = substr( str_replace( ' ', '', $backup_name ), 0, 40 ); $rand_str = substr( str_shuffle( "abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789" ), 0, 10 ); $backup_name = sanitize_file_name( $backup_name ) . '_' . $rand_str; return $backup_name; } function wpa_backup_error($error, $data, $restore = false) { $temp_dir = $restore ? trailingslashit( WPCLONE_WP_CONTENT ) . 'wpclone-temp' : trailingslashit( WPCLONE_DIR_BACKUP ) . 'wpclone_backup'; $disp_dir = str_replace( WPCLONE_ROOT, 'SITE-ROOT/', wpCloneSafePathMode( $temp_dir ) ); if( !file_exists( $temp_dir ) ) { unset($temp_dir); } switch ( $error ) : / during backup / case 'file' : $error = __( 'while copying files into the temp directory' ); break; case 'db' : $error = __( 'during the database backup' ); break; case 'zip' : $error = __( 'while creating the zip file using PHP\'s ZipArchive library' ); break; case 'pclzip' : $error = __( 'while creating the zip file using the PclZip library' ); break; / during restore / case 'dirrest' : $error = __( 'while creating the temp directory' ); break; case 'filerest' : $error = __( 'while copying files from the temp directory into the wp-content directory' ); break; case 'dbrest' : $error = __( 'while cloning the database' ); break; case 'unzip' : $error = __( 'while extracting the zip file using php ziparchive' ); break; case 'pclunzip' : $error = __( 'while extracting the zip file using the PclZip library' ); break; case 'url' : $error = __( 'while downloading the zip file' ); break; case 'wpconfig' : $error = __( 'while trying to modify the table prefix in the wp-config.php file' ); break; / and a catch all for the things that aren't covered above / default : $error = sprintf( __( 'during the %s process' ), $error ); endswitch; echo '<div class="wpclone_notice updated">'; printf( __( 'The plugin encountered an error %s,the following error message was returned:</br>' ), $error ); echo '<div class="error">' . __( 'Error Message : ' ) . $data . '</div></br>'; if( isset( $temp_dir ) ) { printf( __( 'Temporary files created in <code>%s</code> will be deleted.' ), $disp_dir ); echo '</div>'; if( $restore ) { global $wp_filesystem; $wp_filesystem->delete($temp_dir, true); } else { wpa_delete_dir( $temp_dir ); } } else { echo '</div>'; } die; } function wpa_cleanup( $restore = false ) { $backup_dir = $restore ? trailingslashit( WPCLONE_WP_CONTENT ) . 'wpclone-temp' : trailingslashit( WPCLONE_DIR_BACKUP ) . 'wpclone_backup'; if ( file_exists( $backup_dir ) && is_dir( $backup_dir ) ) { if( $restore ) { global $wp_filesystem; $wp_filesystem->delete($backup_dir, true); } else { wpa_delete_dir( $backup_dir ); } } } /* * recursively copies a directory from one place to another. excludes 'uploads/wp-clone' by default. * @since 2.1.6 * @param string $from * @param string $to * @param array $exclude an array of directory paths to exclude. / function wpa_copy_dir( $from, $to, $exclude ) { if( false === stripos( wpCloneSafePathMode( $from ), rtrim( wpCloneSafePathMode( WPCLONE_DIR_BACKUP ), "/\\" ) ) ) { if( !file_exists( $to ) ) @mkdir ( $to ); $files = array_diff( scandir( $from ), array( '.', '..' ) ); foreach( $files as $file ) { if( in_array( $from . '/' . $file, $exclude ) ) { continue; } else { if( is_dir( $from . '/' . $file ) ) { wpa_copy_dir( $from . '/' . $file, $to . '/' . $file, $exclude ); } else { @copy( $from . '/' . $file, $to . '/' . $file ); } } } unset( $files ); } } /* * recursively deletes all the files in the given directory. * @since 2.1.6 * @param string $dir path to the directory that needs to be deleted. / function wpa_delete_dir( $dir ) { if( !empty( $dir ) ) { $dir = trailingslashit( $dir ); $files = array_diff( scandir( $dir ), array( '.', '..' ) ); foreach ( $files as $file ) { if( is_dir( $dir . $file ) ) { wpa_delete_dir( $dir . $file ); } else { @unlink( $dir . $file ); } } @rmdir($dir); } } /* * @since 2.1.6 / function wpa_excluded_dirs() { $exclude = array(); if( isset( $_POST['exclude'] ) && '' != $_POST['exclude'] ) { foreach( explode( "\n", $_POST['exclude'] ) as $ex ) { $ex = trim( $ex ); if( '' !== $ex ) { $ex = trim( $ex, "/\\" ); wpa_wpc_log( sprintf( 'files inside "SITE_ROOT/wp-content/%s/" will not be included in the backup', $ex ) ); $exclude[] = wpCloneSafePathMode( trailingslashit( WPCLONE_WP_CONTENT ) . $ex ) ; } } } return $exclude; } function wpa_wpc_dir_size( $path ) { $i = new RecursiveIteratorIterator( new RecursiveDirectoryIterator( $path ) ); $size = 0; $files = 0; foreach( $i as $file => $info ) { if( false === strpos( wpCloneSafePathMode( $file ), WPCLONE_DIR_BACKUP ) ) { $size += $info->getSize(); $files++; } } $ret = array( 'dbsize' => wpa_wpc_db_size(), 'size' => bytesToSize( $size ), 'files' => $files, 'time' => time() ); update_option( 'wpclone_directory_scan', $ret ); unset( $ret['time'] ); return $ret; } function wpa_wpc_db_size() { global $wpdb; $sql = 'SELECT sum(data_length + index_length) FROM information_schema.TABLES WHERE table_schema = "' . DB_NAME . '"'; $size = $wpdb->get_var( $sql ); return bytesToSize( $size ); } function wpa_wpc_scan_dir() { $backups = get_option( 'wpclone_backups' ); $backup_list = array(); $files = array(); $old_backups = array(); foreach( glob( WPCLONE_DIR_BACKUP . '.zip' ) as $file ){ $files[] = str_replace( WPCLONE_DIR_BACKUP, '', $file ); } if( false === $backups ) { $backups = array(); } foreach( $backups as $key => $backup ) { if( ! file_exists( WPCLONE_DIR_BACKUP . $backup['name'] ) ) { unset( $backups[$key] ); continue; } $backup_list[] = $backup['name']; } $list = wpa_wpc_filter_list( $files, $backup_list ); if( ! empty( $list ) ) { foreach( $list as $backup ) { $time = strtotime( substr( str_replace( array( 'wpclone_backup_', '_', '-' ), array( '', ' ', ':' ), $backup ), 0, 21 ) ) + rand(1, 60); $old_backups[$time] = array( 'name' => $backup, 'creator' => 'dirscan', 'size' => @filesize( WPCLONE_DIR_BACKUP . $backup ) ); } } $backups = $backups + $old_backups; ksort( $backups ); update_option( 'wpclone_backups', $backups ); } /* * @link http://stackoverflow.com/questions/2479963/how-does-array-diff-work/6700430#6700430 / function wpa_wpc_filter_list( $a, $b ) { $return = array(); foreach( $a as $v ) { $return[$v] = ''; } foreach( $b as $v ) { unset( $return[$v] ); } return array_keys( $return ); } function wpa_wpc_log( $msg ) { if( ! isset( $GLOBALS['wpclone']['logfile'] ) ) { return; } $file = WPCLONE_DIR_BACKUP . $GLOBALS['wpclone']['logfile']; $time = date( 'l, d-M-Y H:i:s', time() + ( get_option( 'gmt_offset' ) HOUR_IN_SECONDS ) ); $msg = $time . ' - ' . $msg . "\r\n"; file_put_contents( $file, $msg, FILE_APPEND ); } function wpa_wpc_log_start( $action ) { global $wp_version; global $wpdb; wpa_wpc_log( sprintf( '%s started', $action ) ); wpa_wpc_log( 'wp version : ' . $wp_version ); wpa_wpc_log( 'php version : ' . phpversion() ); wpa_wpc_log( 'mysql version : ' . $wpdb->db_version() ); wpa_wpc_log( 'memory limit : ' . ini_get( 'memory_limit' ) ); wpa_wpc_log( 'execution time : ' . ini_get( 'max_execution_time' ) ); wpa_wpc_log( 'mysql timeout : ' . ini_get( 'mysql.connect_timeout' ) ); wpa_wpc_log( 'socket timeout : ' . ini_get( 'default_socket_timeout' ) ); } function wpa_wpc_strpos_array( $array, $haystack ) { foreach( $array as $needle ) { if( false !== strpos( $haystack, $needle ) ) { return true; } } } function wpa_wpc_get_filelist( $path, $exclude, $skip = false ) { $i = new RecursiveIteratorIterator( new RecursiveDirectoryIterator( $path, FilesystemIterator::CURRENT_AS_SELF \| FilesystemIterator::UNIX_PATHS \| FilesystemIterator::SKIP_DOTS ) ); $skipped = 0; $size = 0; $files = 0; $list = array(); foreach( $i as $file => $info ) { $file = wpCloneSafePathMode( $file ); if( false !== strpos( $file, WPCLONE_DIR_BACKUP ) ) { continue; } if( false !== strpos( $file, WPCLONE_DIR_PLUGIN ) ) { continue; } if( ! $info->isReadable() ) { $skipped++; wpa_wpc_log( sprintf( 'file skipped, file is not readable - "%s"', str_replace( WPCLONE_ROOT, 'SITE-ROOT/', $file ) ) ); continue; } if( ! empty( $exclude ) && wpa_wpc_strpos_array( $exclude, $file ) ) { $skipped++; wpa_wpc_log( sprintf( 'file is inside an excluded directory, and it will not be included in the backup - "%s"', str_replace( WPCLONE_ROOT, 'SITE-ROOT/', $file ) ) ); continue; } if( $skip && $info->getSize() > $skip ) { $skipped++; wpa_wpc_log( sprintf( 'file skipped, file is larger than %s - "%s" %s', bytesToSize( $skip ), str_replace( WPCLONE_ROOT, 'SITE-ROOT/', $file ), bytesToSize( $info->getSize() ) ) ); continue; } if( $info->isFile() ) { $list[] = $file; $files++; $size += $info->getSize(); } } if( $skipped > 0 ) { wpa_wpc_log( sprintf( '%d files were excluded from the backup', $skipped ) ); } wpa_wpc_log( sprintf( 'number of files to include in the archive is %d, and their uncompressed size is %s', $files, bytesToSize( $size ) ) ); return $list; } function wpa_wpc_zip( $zh, $zipmode ) { $file = WPCLONE_DIR_BACKUP . 'wpclone_backup/file.list'; if( is_readable( $file ) ) { $filelist = unserialize( file_get_contents( $file ) ); } else { return false; } if( $zipmode ) { return $filelist; } foreach( $filelist as $file ) { $zh->addFile( $file, str_replace( WPCLONE_ROOT, 'wpclone_backup/', $file ) ); } $zh->deleteName( 'wpclone_backup/file.list' ); } function wpa_wpc_unzip( $zipfile, $temp_dir ) { $z = new ZipArchive(); if( true === $z->open( $zipfile ) ) { $z->extractTo( $temp_dir ); } else { wpa_wpc_log( sprintf( 'failed to open the zip file : %s', $z->getStatusString() ) ); wpa_backup_error( 'unzip', $z->getStatusString(), true ); } } function wpa_wpc_get_db( $zipfile, $zipmode ) { $ret = array(); if( $zipmode \|\| ( ! in_array( 'ZipArchive', get_declared_classes() ) \|\| ! class_exists( 'ZipArchive' ) ) ) { wpa_wpc_log( 'extracting database using pclzip' ); if ( ini_get('mbstring.func_overload') && function_exists('mb_internal_encoding') ) { $previous_encoding = mb_internal_encoding(); mb_internal_encoding('ISO-8859-1'); } require_once ( ABSPATH . 'wp-admin/includes/class-pclzip.php' ); $z = new PclZip($zipfile); $database = $z->extract( PCLZIP_OPT_BY_NAME, 'wpclone_backup/database.sql', PCLZIP_OPT_EXTRACT_AS_STRING ); $prefix = $z->extract( PCLZIP_OPT_BY_NAME, 'wpclone_backup/prefix.txt', PCLZIP_OPT_EXTRACT_AS_STRING ); if ( isset( $previous_encoding ) ) { mb_internal_encoding($previous_encoding); } if( 'ok' === $database[0]['status'] && 'ok' === $prefix[0]['status'] ) { $ret['database'] = $database[0]['content']; $ret['prefix'] = $prefix[0]['content']; } else { wpa_backup_error( 'pclunzip', $z->errorInfo(true), true ); } return $ret; } else { $z = new ZipArchive(); if( true === $z->open( $zipfile ) ) { wpa_wpc_log( 'extracting database using ziparchive' ); $ret['database'] = $z->getFromName( 'wpclone_backup/database.sql' ); $ret['prefix'] = $z->getFromName( 'wpclone_backup/prefix.txt' ); if( false === $ret['database'] \|\| false === $ret['prefix'] ) { wpa_backup_error( 'unzip', $z->getStatusString(), true ); } $z->close(); return $ret; } else { wpa_backup_error( 'unzip', $z->getStatusString(), true ); } } } function wpa_wpc_process_db( $zipfile, $zipmode = false ) { $files = wpa_wpc_get_db( $zipfile, $zipmode ); $prefix = wpa_wpc_get_prefix( $files['prefix'] ); $old_url = untrailingslashit( wpa_wpc_get_url( $files['database'] ) ); $cur_url = untrailingslashit( site_url() ); $found = false; $db = explode( ";\n", $files['database'] ); $wpcdb = wpa_wpc_mysql_connect(); wpa_wpc_log( 'database import started' ); foreach( $db as $query ) { if( ! $found && false !== strpos( $query, '"siteurl",' ) ) { $query = str_replace( $old_url, $cur_url, $query, $count ); wpa_wpc_log( sprintf( 'updating mysql query with current site\'s url - new query : "%s"', ltrim( $query ) ) ); if( $count > 0 ) { $found = true; } } if( isset( $_POST['mysql_check'] ) && 'true' === $_POST['mysql_check'] ) { if( ! $wpcdb->ping() ) { $wpcdb->close(); $wpcdb = wpa_wpc_mysql_connect(); } } $status = $wpcdb->query( $query ); if( false === $status ) { wpa_wpc_log( sprintf( 'mysql query failed. error : %d %s - query : "%s"', $wpcdb->errno(), $wpcdb->error(), ltrim( $query ) ) ); } } wpa_wpc_log( 'database import finished' ); if( $cur_url === $old_url ) { wpa_wpc_log( 'URLs are similar, skipping search and replace' ); $report = 'Search and replace did not run because the URLs are similar'; } else { $report = wpa_safe_replace_wrapper( $old_url, $cur_url, $prefix ); } return $report; } function wpa_wpc_get_prefix( $prev_prefix ) { global $wpdb; $cur_prefix = $wpdb->prefix; if ( $cur_prefix !== $prev_prefix ) { wpa_wpc_log( sprintf( 'changing prefix from "%s" to "%s"', $cur_prefix, $prev_prefix ) ); wpa_replace_prefix( $cur_prefix, $prev_prefix ); $cur_prefix = $prev_prefix; } return $cur_prefix; } /* end of file */

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