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<?php
/**
* Mysqldump File Doc Comment
*
* PHP version 5
*
* @category Library
* @package Ifsnop\Mysqldump
* @author Michael J. Calkins <clouddueling@github.com>
* @author Diego Torres <ifsnop@github.com>
* @license http://www.gnu.org/copyleft/gpl.html GNU General Public License
* @link https://github.com/ifsnop/mysqldump-php
*
*/
use Exception as Exception;
/**
* Mysqldump Class Doc Comment
*
* @category Library
* @package Ifsnop\Mysqldump
* @author Michael J. Calkins <clouddueling@github.com>
* @author Diego Torres <ifsnop@github.com>
* @license http://www.gnu.org/copyleft/gpl.html GNU General Public License
* @link https://github.com/ifsnop/mysqldump-php
*
*/
class WPvivid_Mysqldump
{
// Same as mysqldump
const MAXLINESIZE = 1000000;
// Available compression methods as constants
const GZIP = 'Gzip';
const BZIP2 = 'Bzip2';
const NONE = 'None';
// Available connection strings
const UTF8 = 'utf8';
const UTF8MB4 = 'utf8mb4';
/**
* Database username
* @var string
*/
public $user;
/**
* Database password
* @var string
*/
public $pass;
/**
* Destination filename, defaults to stdout
* @var string
*/
public $fileName = 'php://output';
// Internal stuff
private $tables = array();
private $views = array();
private $triggers = array();
private $procedures = array();
private $events = array();
//private $dbHandler = null;
private $dbType;
private $compressManager;
private $typeAdapter;
private $dumpSettings = array();
private $version;
private $tableColumnTypes = array();
public $log=false;
public $task_id='';
/**
* database name, parsed from dsn
* @var string
*/
private $dbName;
/**
* host name, parsed from dsn
* @var string
*/
private $host;
/**
* dsn string parsed as an array
* @var array
*/
private $dsnArray = array();
public $last_query_string='';
public function __construct(
$host = '',
$dbname='',
$user = '',
$pass = '',
$is_additional_db = false,
$dumpSettings = array()
) {
$dumpSettingsDefault = array(
'include-tables' => array(),
'exclude-tables' => array(),
'compress' => WPvivid_Mysqldump::NONE,
'init_commands' => array(),
'no-data' => array(),
'reset-auto-increment' => false,
'add-drop-database' => false,
'add-drop-table' => false,
'add-drop-trigger' => true,
'add-locks' => true,
'complete-insert' => false,
'databases' => false,
'default-character-set' => WPvivid_Mysqldump::UTF8,
'disable-keys' => true,
'extended-insert' => false,
'events' => false,
'hex-blob' => true, /* faster than escaped content */
'net_buffer_length' => self::MAXLINESIZE,
'no-autocommit' => false,
'no-create-info' => false,
'lock-tables' => false,
'routines' => false,
'single-transaction' => true,
'skip-triggers' => false,
'skip-tz-utc' => false,
'skip-comments' => false,
'skip-dump-date' => false,
'where' => '',
/* deprecated */
'disable-foreign-keys-check' => true,
'site_url'=>'',
'home_url'=>'',
'content_url'=>'',
'prefix'=>''
);
if(defined('DB_CHARSET'))
{
$dumpSettingsDefault['default-character-set']=DB_CHARSET;
}
$this->dbType=$this->get_db_type($is_additional_db);
$this->user = $user;
$this->pass = $pass;
$this->host=$host;
$this->dbName=$dbname;
$this->dumpSettings = self::array_replace_recursive($dumpSettingsDefault, $dumpSettings);
$this->dumpSettings['init_commands'][] = "SET NAMES " . WPvivid_Mysqldump::UTF8MB4;
if (false === $this->dumpSettings['skip-tz-utc'])
{
$this->dumpSettings['init_commands'][] = "SET TIME_ZONE='+00:00'";
}
$diff = array_diff(array_keys($this->dumpSettings), array_keys($dumpSettingsDefault));
if (count($diff)>0) {
throw new Exception("Unexpected value in dumpSettings: (" . esc_html(implode(",", $diff)) . ")");
}
if ( !is_array($this->dumpSettings['include-tables']) ||
!is_array($this->dumpSettings['exclude-tables']) ) {
throw new Exception("Include-tables and exclude-tables should be arrays");
}
// Dump the same views as tables, mimic mysqldump behaviour
$this->dumpSettings['include-views'] = $this->dumpSettings['include-tables'];
// Create a new compressManager to manage compressed output
$this->compressManager = WPvividCompressManagerFactory::create($this->dumpSettings['compress']);
}
public function get_db_type($is_additional_db)
{
if($is_additional_db){
return 'mysql';
}
else {
$common_setting = WPvivid_Setting::get_setting(false, 'wpvivid_common_setting');
$db_connect_method = isset($common_setting['options']['wpvivid_common_setting']['db_connect_method']) ? $common_setting['options']['wpvivid_common_setting']['db_connect_method'] : 'wpdb';
if ($db_connect_method === 'wpdb') {
return 'wpdb';
} else {
return 'mysql';
}
}
}
/**
* Destructor of Mysqldump. Unsets dbHandlers and database objects.
*
*/
public function __destruct()
{
//$this->dbHandler = null;
}
/**
* Custom array_replace_recursive to be used if PHP < 5.3
* Replaces elements from passed arrays into the first array recursively
*
* @param array $array1 The array in which elements are replaced
* @param array $array2 The array from which elements will be extracted
*
* @return array Returns an array, or NULL if an error occurs.
*/
public static function array_replace_recursive($array1, $array2)
{
if (function_exists('array_replace_recursive')) {
return array_replace_recursive($array1, $array2);
}
foreach ($array2 as $key => $value) {
if (is_array($value)) {
$array1[$key] = self::array_replace_recursive($array1[$key], $value);
} else {
$array1[$key] = $value;
}
}
return $array1;
}
/**
* Parse DSN string and extract dbname value
* Several examples of a DSN string
* mysql:host=localhost;dbname=testdb
* mysql:host=localhost;port=3307;dbname=testdb
* mysql:unix_socket=/tmp/mysql.sock;dbname=testdb
*
* @param string $dsn dsn string to parse
*/
private function parseDsn($dsn)
{
if (empty($dsn) || (false === ($pos = strpos($dsn, ":")))) {
throw new Exception("Empty DSN string");
}
$this->dsn = $dsn;
$this->dbType = strtolower(substr($dsn, 0, $pos));
if (empty($this->dbType)) {
throw new Exception("Missing database type from DSN string");
}
$dsn = substr($dsn, $pos + 1);
foreach(explode(";", $dsn) as $kvp) {
$kvpArr = explode("=", $kvp);
$this->dsnArray[strtolower($kvpArr[0])] = $kvpArr[1];
}
if (empty($this->dsnArray['host']) &&
empty($this->dsnArray['unix_socket'])) {
throw new Exception("Missing host from DSN string");
}
$this->host = (!empty($this->dsnArray['host'])) ?
$this->dsnArray['host'] :
$this->dsnArray['unix_socket'];
if (empty($this->dsnArray['dbname'])) {
throw new Exception("Missing database name from DSN string");
}
$this->dbName = $this->dsnArray['dbname'];
return true;
}
/**
* Connect with PDO
*
* @return null
*/
private function connect()
{
// Connecting with PDO
/*
try {
switch ($this->dbType) {
case 'sqlite':
$this->dbHandler = @new PDO("sqlite:" . $this->dbName, null, null, $this->pdoSettings);
break;
case 'mysql':
case 'pgsql':
case 'dblib':
$this->dbHandler = @new PDO(
$this->dsn,
$this->user,
$this->pass,
$this->pdoSettings
);
// Execute init commands once connected
foreach($this->dumpSettings['init_commands'] as $stmt) {
$this->dbHandler->exec($stmt);
}
// Store server version
$this->version = $this->dbHandler->getAttribute(PDO::ATTR_SERVER_VERSION);
break;
default:
throw new Exception("Unsupported database type (" . $this->dbType . ")");
}
} catch (PDOException $e) {
throw new Exception(
"Connection to " . $this->dbType . " failed with message: " .
$e->getMessage()
);
}*/
$this->typeAdapter = WPvividTypeAdapterFactory::create($this->dbType, null);
$this->typeAdapter->connect($this->host,$this->dbName,$this->user,$this->pass,$this->dumpSettings['init_commands']);
}
/**
* Main call
*
* @param string $filename Name of file to write sql dump to
* @return null
*/
public function start($filename = '')
{
// Output file can be redefined here
if (!empty($filename)) {
$this->fileName = $filename;
}
// Connect to database
$this->connect();
// Create output file
$this->compressManager->open($this->fileName);
// Write some basic info to output file
$this->compressManager->write($this->getDumpFileHeader());
$this->compressManager->write('/* # site_url: '.$this->dumpSettings['site_url'].' */;'.PHP_EOL);
$this->compressManager->write('/* # home_url: '.$this->dumpSettings['home_url'].' */;'.PHP_EOL);
$this->compressManager->write('/* # content_url: '.$this->dumpSettings['content_url'].' */;'.PHP_EOL);
$upload_dir = wp_upload_dir();
$this->compressManager->write('/* # upload_url: '.$upload_dir['baseurl'].' */;'.PHP_EOL);
$this->compressManager->write('/* # table_prefix: '.$this->dumpSettings['prefix'].' */;'.PHP_EOL.PHP_EOL.PHP_EOL);
// Store server settings and use sanner defaults to dump
$this->compressManager->write(
$this->typeAdapter->backup_parameters($this->dumpSettings)
);
if ($this->dumpSettings['databases']) {
$this->compressManager->write(
$this->typeAdapter->getDatabaseHeader($this->dbName)
);
if ($this->dumpSettings['add-drop-database']) {
$this->compressManager->write(
$this->typeAdapter->add_drop_database($this->dbName)
);
}
}
// Get table, view and trigger structures from database
$this->getDatabaseStructure();
if ($this->dumpSettings['databases']) {
$this->compressManager->write(
$this->typeAdapter->databases($this->dbName)
);
}
// If there still are some tables/views in include-tables array,
// that means that some tables or views weren't found.
// Give proper error and exit.
// This check will be removed once include-tables supports regexps
if (0 < count($this->dumpSettings['include-tables'])) {
$name = implode(",", $this->dumpSettings['include-tables']);
throw new Exception("Table (" . esc_html($name) . ") not found in database");
}
$this->exportTables();
/*
global $wpvivid_plugin;
$this->exportTables();
if($this -> privileges['SHOW VIEW'] == 0){
$wpvivid_plugin->wpvivid_log->WriteLog('The lack of SHOW VIEW privilege, the backup will skip exportViews() to continue.','notice');
}else{
$this->exportViews();
}
if($this -> privileges['TRIGGER'] == 0){
$wpvivid_plugin->wpvivid_log->WriteLog('The lack of TRIGGER privilege, the backup will skip exportTriggers() to continue.','notice');
}else{
$this->exportTriggers();
}
if($this -> privileges['CREATE ROUTINE'] == 0){
$wpvivid_plugin->wpvivid_log->WriteLog('The lack of CREATE ROUTINE privilege, the backup will skip exportProcedures() to continue.','notice');
}else{
$this->exportProcedures();
}
if($this -> privileges['EVENT'] == 0){
$wpvivid_plugin->wpvivid_log->WriteLog('The lack of EVENT privilege, the backup will skip exportEvents() to continue.','notice');
}else{
$this->exportEvents();
}
*/
// Restore saved parameters
$this->compressManager->write(
$this->typeAdapter->restore_parameters($this->dumpSettings)
);
// Write some stats to output file
$this->compressManager->write($this->getDumpFileFooter());
// Close output file
$this->compressManager->close();
}
/**
* Returns header for dump file
*
* @return string
*/
private function getDumpFileHeader()
{
$header = '';
if ( !$this->dumpSettings['skip-comments'] ) {
// Some info about software, source and time
$header = "-- mysqldump-php https://github.com/ifsnop/mysqldump-php" . PHP_EOL .
"--" . PHP_EOL .
"-- Host: {$this->host}\tDatabase: {$this->dbName}" . PHP_EOL .
"-- ------------------------------------------------------" . PHP_EOL;
if ( !empty($this->version) ) {
$header .= "-- Server version \t" . $this->version . PHP_EOL;
}
if ( !$this->dumpSettings['skip-dump-date'] ) {
$header .= "-- Date: " . gmdate('r') . PHP_EOL . PHP_EOL;
}
}
return $header;
}
/**
* Returns footer for dump file
*
* @return string
*/
private function getDumpFileFooter()
{
$footer = '';
if (!$this->dumpSettings['skip-comments']) {
$footer .= '-- Dump completed';
if (!$this->dumpSettings['skip-dump-date']) {
$footer .= ' on: ' . gmdate('r');
}
$footer .= PHP_EOL;
}
return $footer;
}
/**
* Reads table and views names from database.
* Fills $this->tables array so they will be dumped later.
*
* @return null
*/
private function getDatabaseStructure()
{
// Listing all tables from database
if (empty($this->dumpSettings['include-tables'])) {
// include all tables for now, blacklisting happens later
foreach ( $this->query($this->typeAdapter->show_tables($this->dbName)) as $row) {
array_push($this->tables, current($row));
}
} else {
// include only the tables mentioned in include-tables
foreach ($this->query($this->typeAdapter->show_tables($this->dbName)) as $row) {
if (in_array(current($row), $this->dumpSettings['include-tables'], true)) {
array_push($this->tables, current($row));
$elem = array_search(
current($row),
$this->dumpSettings['include-tables']
);
unset($this->dumpSettings['include-tables'][$elem]);
}
}
}
// Listing all views from database
if (empty($this->dumpSettings['include-views'])) {
// include all views for now, blacklisting happens later
foreach ($this->query($this->typeAdapter->show_views($this->dbName)) as $row) {
array_push($this->views, current($row));
}
} else {
// include only the tables mentioned in include-tables
foreach ($this->query($this->typeAdapter->show_views($this->dbName)) as $row) {
if (in_array(current($row), $this->dumpSettings['include-views'], true)) {
array_push($this->views, current($row));
$elem = array_search(
current($row),
$this->dumpSettings['include-views']
);
unset($this->dumpSettings['include-views'][$elem]);
}
}
}
// Listing all triggers from database
if (false === $this->dumpSettings['skip-triggers']) {
foreach ($this->query($this->typeAdapter->show_triggers($this->dbName)) as $row) {
array_push($this->triggers, $row['Trigger']);
}
}
// Listing all procedures from database
if ($this->dumpSettings['routines']) {
foreach ($this->query($this->typeAdapter->show_procedures($this->dbName)) as $row) {
array_push($this->procedures, $row['procedure_name']);
}
}
// Listing all events from database
if ($this->dumpSettings['events']) {
foreach ($this->query($this->typeAdapter->show_events($this->dbName)) as $row) {
array_push($this->events, $row['event_name']);
}
}
}
/**
* Compare if $table name matches with a definition inside $arr
* @param $table string
* @param $arr array with strings or patterns
* @return bool
*/
private function matches($table, $arr) {
$match = false;
foreach ($arr as $pattern) {
if ( '/' != $pattern[0] ) {
continue;
}
if ( 1 == preg_match($pattern, $table) ) {
$match = true;
}
}
return in_array($table, $arr) || $match;
}
/**
* Exports all the tables selected from database
*
* @return null
*/
private function exportTables()
{
// Exporting tables one by one
$i=0;
$i_step=0;
if($this->task_id!=='')
{
$options_name[]='backup_options';
//$options_name[]='ismerge';
$options=WPvivid_taskmanager::get_task_options($this->task_id,$options_name);
if($options['backup_options']['ismerge'])
{
if(isset($options['backup_options']['backup']['backup_type'])) {
$i_step = intval(1 / (sizeof($options['backup_options']['backup']['backup_type']) + 1) * 100);
}
else{
$i_step = intval(1 / (sizeof($options['backup_options']['backup']) + 1) * 100);
}
}
else
{
if(isset($options['backup_options']['backup']['backup_type'])) {
$i_step = intval(1 / sizeof($options['backup_options']['backup']['backup_type']) * 100);
}
else{
$i_step = intval(1 / sizeof($options['backup_options']['backup']) * 100);
}
}
}
foreach ($this->tables as $table)
{
if ( $this->matches($table, $this->dumpSettings['exclude-tables']) )
{
continue;
}
if($this->task_id!=='')
{
$message='Preparing to dump table '.$table;
global $wpvivid_plugin;
$wpvivid_plugin->wpvivid_log->WriteLog($message,'notice');
WPvivid_taskmanager::update_backup_sub_task_progress($this->task_id,'backup',WPVIVID_BACKUP_TYPE_DB,0,$message);
}
$this->getTableStructure($table);
if($this->tableColumnTypes[$table]===false)
{
global $wpvivid_plugin;
$message='get Table Structure failed. table:'.$table;
$wpvivid_plugin->wpvivid_log->WriteLog($message,'notice');
continue;
}
if ( false === $this->dumpSettings['no-data'] ) { // don't break compatibility with old trigger
$this->listValues($table);
} else if ( true === $this->dumpSettings['no-data']
|| $this->matches($table, $this->dumpSettings['no-data']) ) {
continue;
} else {
$this->listValues($table);
}
$i++;
if($this->task_id!=='')
{
$i_progress=intval($i/sizeof($this->tables)*$i_step);
WPvivid_taskmanager::update_backup_main_task_progress($this->task_id,'backup',$i_progress,0);
}
}
return ;
}
/**
* Exports all the views found in database
*
* @return null
*/
private function exportViews()
{
if (false === $this->dumpSettings['no-create-info']) {
// Exporting views one by one
foreach ($this->views as $view) {
if ( $this->matches($view, $this->dumpSettings['exclude-tables']) ) {
continue;
}
$this->tableColumnTypes[$view] = $this->getTableColumnTypes($view);
$this->getViewStructureTable($view);
}
foreach ($this->views as $view) {
if ( $this->matches($view, $this->dumpSettings['exclude-tables']) ) {
continue;
}
$this->getViewStructureView($view);
}
}
}
/**
* Exports all the triggers found in database
*
* @return null
*/
private function exportTriggers()
{
// Exporting triggers one by one
foreach ($this->triggers as $trigger) {
$this->getTriggerStructure($trigger);
}
}
/**
* Exports all the procedures found in database
*
* @return null
*/
private function exportProcedures()
{
// Exporting triggers one by one
foreach ($this->procedures as $procedure) {
$this->getProcedureStructure($procedure);
}
}
/**
* Exports all the events found in database
*
* @return null
*/
private function exportEvents()
{
// Exporting triggers one by one
foreach ($this->events as $event) {
$this->getEventStructure($event);
}
}
/**
* Table structure extractor
*
* @todo move specific mysql code to typeAdapter
* @param string $tableName Name of table to export
* @return null
*/
private function getTableStructure($tableName)
{
if (!$this->dumpSettings['no-create-info']) {
$ret = '';
if (!$this->dumpSettings['skip-comments']) {
$ret = "--" . PHP_EOL .
"-- Table structure for table `$tableName`" . PHP_EOL .
"--" . PHP_EOL . PHP_EOL;
}
$stmt = $this->typeAdapter->show_create_table($tableName);
foreach ($this->query($stmt) as $r)
{
$this->compressManager->write($ret);
if ($this->dumpSettings['add-drop-table']) {
$this->compressManager->write(
$this->typeAdapter->drop_table($tableName)
);
}
$this->compressManager->write(
$this->typeAdapter->create_table($r, $this->dumpSettings)
);
break;
}
}
$this->tableColumnTypes[$tableName] = $this->getTableColumnTypes($tableName);
return;
}
/**
* Store column types to create data dumps and for Stand-In tables
*
* @param string $tableName Name of table to export
* @return array type column types detailed
*/
private function getTableColumnTypes($tableName) {
$columnTypes = array();
$columns = $this->query(
$this->typeAdapter->show_columns($tableName)
);
if($columns===false)
{
global $wpvivid_plugin;
$error=$this->typeAdapter->errorInfo();
if(isset($error[2])){
$error = 'Error: '.$error[2];
}
else{
$error = '';
}
$message='Show columns failed. '.$error;
$wpvivid_plugin->wpvivid_log->WriteLog($message, 'warning');
$columns = $this->query(
'DESCRIBE '.$tableName
);
if($columns===false)
{
$error=$this->typeAdapter->errorInfo();
if(isset($error[2])){
$error = 'Error: '.$error[2];
}
else{
$error = '';
}
$message='DESCRIBE failed. '.$error;
$wpvivid_plugin->wpvivid_log->WriteLog($message, 'warning');
return false;
}
}
foreach($columns as $key => $col) {
$types = $this->typeAdapter->parseColumnType($col);
$columnTypes[$col['Field']] = array(
'is_numeric'=> $types['is_numeric'],
'is_blob' => $types['is_blob'],
'type' => $types['type'],
'type_sql' => $col['Type'],
'is_virtual' => $types['is_virtual']
);
}
return $columnTypes;
}
/**
* View structure extractor, create table (avoids cyclic references)
*
* @todo move mysql specific code to typeAdapter
* @param string $viewName Name of view to export
* @return null
*/
private function getViewStructureTable($viewName)
{
if (!$this->dumpSettings['skip-comments']) {
$ret = "--" . PHP_EOL .
"-- Stand-In structure for view `${viewName}`" . PHP_EOL .
"--" . PHP_EOL . PHP_EOL;
$this->compressManager->write($ret);
}
$stmt = $this->typeAdapter->show_create_view($viewName);
// create views as tables, to resolve dependencies
foreach ($this->query($stmt) as $r) {
if ($this->dumpSettings['add-drop-table']) {
$this->compressManager->write(
$this->typeAdapter->drop_view($viewName)
);
}
$this->compressManager->write(
$this->createStandInTable($viewName)
);
break;
}
}
/**
* Write a create table statement for the table Stand-In, show create
* table would return a create algorithm when used on a view
*
* @param string $viewName Name of view to export
* @return string create statement
*/
function createStandInTable($viewName) {
$ret = array();
foreach($this->tableColumnTypes[$viewName] as $k => $v) {
$ret[] = "`${k}` ${v['type_sql']}";
}
$ret = implode(PHP_EOL . ",", $ret);
$ret = "CREATE TABLE IF NOT EXISTS `$viewName` (" .
PHP_EOL . $ret . PHP_EOL . ");" . PHP_EOL;
return $ret;
}
/**
* View structure extractor, create view
*
* @todo move mysql specific code to typeAdapter
* @param string $viewName Name of view to export
* @return null
*/
private function getViewStructureView($viewName)
{
if (!$this->dumpSettings['skip-comments']) {
$ret = "--" . PHP_EOL .
"-- View structure for view `${viewName}`" . PHP_EOL .
"--" . PHP_EOL . PHP_EOL;
$this->compressManager->write($ret);
}
$stmt = $this->typeAdapter->show_create_view($viewName);
// create views, to resolve dependencies
// replacing tables with views
foreach ($this->query($stmt) as $r) {
// because we must replace table with view, we should delete it
$this->compressManager->write(
$this->typeAdapter->drop_view($viewName)
);
$this->compressManager->write(
$this->typeAdapter->create_view($r)
);
break;
}
}
/**
* Trigger structure extractor
*
* @param string $triggerName Name of trigger to export
* @return null
*/
private function getTriggerStructure($triggerName)
{
$stmt = $this->typeAdapter->show_create_trigger($triggerName);
foreach ($this->query($stmt) as $r) {
if ($this->dumpSettings['add-drop-trigger']) {
$this->compressManager->write(
$this->typeAdapter->add_drop_trigger($triggerName)
);
}
$this->compressManager->write(
$this->typeAdapter->create_trigger($r)
);
return;
}
}
/**
* Procedure structure extractor
*
* @param string $procedureName Name of procedure to export
* @return null
*/
private function getProcedureStructure($procedureName)
{
if (!$this->dumpSettings['skip-comments']) {
$ret = "--" . PHP_EOL .
"-- Dumping routines for database '" . $this->dbName . "'" . PHP_EOL .
"--" . PHP_EOL . PHP_EOL;
$this->compressManager->write($ret);
}
$stmt = $this->typeAdapter->show_create_procedure($procedureName);
foreach ($this->query($stmt) as $r) {
$this->compressManager->write(
$this->typeAdapter->create_procedure($r, $this->dumpSettings)
);
return;
}
}
/**
* Event structure extractor
*
* @param string $eventName Name of event to export
* @return null
*/
private function getEventStructure($eventName)
{
if (!$this->dumpSettings['skip-comments']) {
$ret = "--" . PHP_EOL .
"-- Dumping events for database '" . $this->dbName . "'" . PHP_EOL .
"--" . PHP_EOL . PHP_EOL;
$this->compressManager->write($ret);
}
$stmt = $this->typeAdapter->show_create_event($eventName);
foreach ($this->query($stmt) as $r) {
$this->compressManager->write(
$this->typeAdapter->create_event($r, $this->dumpSettings)
);
return;
}
}
/**
* Escape values with quotes when needed
*
* @param string $tableName Name of table which contains rows
* @param array $row Associative array of column names and values to be quoted
*
* @return string
*/
private function escape($tableName, $row)
{
$ret = array();
$columnTypes = $this->tableColumnTypes[$tableName];
foreach ($row as $colName => $colValue) {
if (is_null($colValue)) {
$ret[] = "NULL";
} elseif ($this->dumpSettings['hex-blob'] && $columnTypes[$colName]['is_blob']) {
if ($columnTypes[$colName]['type'] == 'bit' || !empty($colValue)) {
$ret[] = "0x${colValue}";
} else {
$ret[] = "''";
}
} elseif ($columnTypes[$colName]['is_numeric']) {
$ret[] = $colValue;
} else {
$ret[] = $this->typeAdapter->quote($colValue);
}
}
return $ret;
}
/**
* Table rows extractor
*
* @param string $tableName Name of table to export
*
* @return null
*/
private function listValues($tableName)
{
$this->prepareListValues($tableName);
$onlyOnce = true;
$lineSize = 0;
$colStmt = $this->getColumnStmt($tableName);
global $wpdb;
$prefix=$wpdb->base_prefix;
if($this->dbType=='wpdb')
{
$start=0;
$limit_count=5000;
$sum =$wpdb->get_var("SELECT COUNT(1) FROM `{$tableName}`");
if(substr($tableName, strlen($prefix))=='options')
{
$stmt = "SELECT " . implode(",", $colStmt) . " FROM `$tableName` WHERE option_name !='wpvivid_task_list'";
}
else
{
$stmt = "SELECT " . implode(",", $colStmt) . " FROM `$tableName`";
}
if ($this->dumpSettings['where']) {
$stmt .= " WHERE {$this->dumpSettings['where']}";
}
$i=0;
$i_check_cancel=0;
$count=0;
while($sum > $start)
{
$limit = " LIMIT {$limit_count} OFFSET {$start}";
$query=$stmt.$limit;
$resultSet = $this->query($query);
if($resultSet===false)
{
global $wpvivid_plugin;
$error=$this->typeAdapter->errorInfo();
if(isset($error[2])){
$error = 'Error: '.$error[2];
}
else{
$error = '';
}
$message='listValues failed. '.$error;
$wpvivid_plugin->wpvivid_log->WriteLog($message, 'warning');
$this->endListValues($tableName);
return ;
}
foreach ($resultSet as $row)
{
$i++;
$vals = $this->escape($tableName, $row);
foreach($vals as $key => $value){
if($value === '\'0000-00-00 00:00:00\'')
$vals[$key] = '\'1999-01-01 00:00:00\'';
}
if ($onlyOnce || !$this->dumpSettings['extended-insert'])
{
if ($this->dumpSettings['complete-insert'])
{
$lineSize += $this->compressManager->write(
"INSERT INTO `$tableName` (" .
implode(", ", $colStmt) .
") VALUES (" . implode(",", $vals) . ")"
);
} else {
$lineSize += $this->compressManager->write(
"INSERT INTO `$tableName` VALUES (" . implode(",", $vals) . ")"
);
}
$onlyOnce = false;
} else {
$lineSize += $this->compressManager->write(",(" . implode(",", $vals) . ")");
}
if (($lineSize > $this->dumpSettings['net_buffer_length']) ||
!$this->dumpSettings['extended-insert']) {
$onlyOnce = true;
$lineSize = $this->compressManager->write(";" . PHP_EOL);
}
if($i>=200000)
{
$count+=$i;
$i=0;
if($this->task_id!=='')
{
$i_check_cancel++;
if($i_check_cancel>5)
{
$i_check_cancel=0;
global $wpvivid_plugin;
$wpvivid_plugin->check_cancel_backup($this->task_id);
}
$message='Dumping table '.$tableName.', rows dumped: '.$count.' rows.';
WPvivid_taskmanager::update_backup_sub_task_progress($this->task_id,'backup',WPVIVID_BACKUP_TYPE_DB,0,$message);
}
}
}
$this->typeAdapter->closeCursor($resultSet);
$start += $limit_count;
}
if (!$onlyOnce) {
$this->compressManager->write(";" . PHP_EOL);
}
$this->endListValues($tableName);
}
else
{
if(substr($tableName, strlen($prefix))=='options')
{
$stmt = "SELECT " . implode(",", $colStmt) . " FROM `$tableName` WHERE option_name !='wpvivid_task_list'";
}
else
{
$stmt = "SELECT " . implode(",", $colStmt) . " FROM `$tableName`";
}
if ($this->dumpSettings['where']) {
$stmt .= " WHERE {$this->dumpSettings['where']}";
}
$resultSet = $this->query($stmt);
if($resultSet===false)
{
global $wpvivid_plugin;
$error=$this->typeAdapter->errorInfo();
if(isset($error[2])){
$error = 'Error: '.$error[2];
}
else{
$error = '';
}
$message='listValues failed. '.$error;
$wpvivid_plugin->wpvivid_log->WriteLog($message, 'warning');
$this->endListValues($tableName);
return ;
}
$i=0;
$i_check_cancel=0;
$count=0;
foreach ($resultSet as $row)
{
$i++;
$vals = $this->escape($tableName, $row);
foreach($vals as $key => $value){
if($value === '\'0000-00-00 00:00:00\'')
$vals[$key] = '\'1999-01-01 00:00:00\'';
}
if ($onlyOnce || !$this->dumpSettings['extended-insert'])
{
if ($this->dumpSettings['complete-insert'])
{
$lineSize += $this->compressManager->write(
"INSERT INTO `$tableName` (" .
implode(", ", $colStmt) .
") VALUES (" . implode(",", $vals) . ")"
);
} else {
$lineSize += $this->compressManager->write(
"INSERT INTO `$tableName` VALUES (" . implode(",", $vals) . ")"
);
}
$onlyOnce = false;
} else {
$lineSize += $this->compressManager->write(",(" . implode(",", $vals) . ")");
}
if (($lineSize > $this->dumpSettings['net_buffer_length']) ||
!$this->dumpSettings['extended-insert']) {
$onlyOnce = true;
$lineSize = $this->compressManager->write(";" . PHP_EOL);
}
if($i>=200000)
{
$count+=$i;
$i=0;
if($this->task_id!=='')
{
$i_check_cancel++;
if($i_check_cancel>5)
{
$i_check_cancel=0;
global $wpvivid_plugin;
$wpvivid_plugin->check_cancel_backup($this->task_id);
}
$message='Dumping table '.$tableName.', rows dumped: '.$count.' rows.';
WPvivid_taskmanager::update_backup_sub_task_progress($this->task_id,'backup',WPVIVID_BACKUP_TYPE_DB,0,$message);
}
}
}
$this->typeAdapter->closeCursor($resultSet);
//$resultSet->closeCursor();
if (!$onlyOnce) {
$this->compressManager->write(";" . PHP_EOL);
}
$this->endListValues($tableName);
}
}
/**
* Table rows extractor, append information prior to dump
*
* @param string $tableName Name of table to export
*
* @return null
*/
function prepareListValues($tableName)
{
if (!$this->dumpSettings['skip-comments']) {
$this->compressManager->write(
"--" . PHP_EOL .
"-- Dumping data for table `$tableName`" . PHP_EOL .
"--" . PHP_EOL . PHP_EOL
);
}
if ($this->dumpSettings['single-transaction']) {
$this->exec($this->typeAdapter->setup_transaction());
$this->exec($this->typeAdapter->start_transaction());
}
if ($this->dumpSettings['lock-tables'])
{
$this->typeAdapter->lock_table($tableName);
//if($this -> privileges['LOCK TABLES'] == 0)
//{
//global $wpvivid_plugin;
// $wpvivid_plugin->wpvivid_log->WriteLog('The lack of LOCK TABLES privilege, the backup will skip lock_tables() to continue.','notice');
//}else{
// $this->typeAdapter->lock_table($tableName);
//}
}
if ($this->dumpSettings['add-locks']) {
$this->compressManager->write(
$this->typeAdapter->start_add_lock_table($tableName)
);
}
if ($this->dumpSettings['disable-keys']) {
$this->compressManager->write(
$this->typeAdapter->start_add_disable_keys($tableName)
);
}
// Disable autocommit for faster reload
if ($this->dumpSettings['no-autocommit']) {
$this->compressManager->write(
$this->typeAdapter->start_disable_autocommit()
);
}
return;
}
/**
* Table rows extractor, close locks and commits after dump
*
* @param string $tableName Name of table to export
*
* @return null
*/
function endListValues($tableName)
{
if ($this->dumpSettings['disable-keys']) {
$this->compressManager->write(
$this->typeAdapter->end_add_disable_keys($tableName)
);
}
if ($this->dumpSettings['add-locks']) {
$this->compressManager->write(
$this->typeAdapter->end_add_lock_table($tableName)
);
}
if ($this->dumpSettings['single-transaction']) {
$this->exec($this->typeAdapter->commit_transaction());
}
if ($this->dumpSettings['lock-tables']) {
$this->typeAdapter->unlock_table($tableName);
}
// Commit to enable autocommit
if ($this->dumpSettings['no-autocommit']) {
$this->compressManager->write(
$this->typeAdapter->end_disable_autocommit()
);
}
$this->compressManager->write(PHP_EOL);
return;
}
/**
* Build SQL List of all columns on current table
*
* @param string $tableName Name of table to get columns
*
* @return string SQL sentence with columns
*/
function getColumnStmt($tableName)
{
$colStmt = array();
foreach($this->tableColumnTypes[$tableName] as $colName => $colType) {
if ($colType['type'] == 'bit' && $this->dumpSettings['hex-blob']) {
$colStmt[] = "LPAD(HEX(`${colName}`),2,'0') AS `${colName}`";
} else if ($colType['is_blob'] && $this->dumpSettings['hex-blob']) {
$colStmt[] = "HEX(`${colName}`) AS `${colName}`";
} else if ($colType['is_virtual']) {
$this->dumpSettings['complete-insert'] = true;
continue;
} else {
$colStmt[] = "`${colName}`";
}
}
return $colStmt;
}
public function query($query_string)
{
$this->last_query_string=$query_string;
return $this->typeAdapter->query($query_string);
}
private function exec($query_string)
{
$this->last_query_string=$query_string;
return $this->typeAdapter->query($query_string);
}
}