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<?php
class MainWP_Clone_Install {
protected $file;
public $config;
/** @var $archiver Tar_Archiver */
protected $archiver;
/**
* Class constructor
*
* @param string $file The zip backup file path
*/
public function __construct( $file ) {
require_once( ABSPATH . 'wp-admin/includes/class-pclzip.php' );
$this->file = $file;
if ( '.zip' === substr( $this->file, - 4 ) ) {
$this->archiver = null;
} else if ( '.tar.gz' === substr( $this->file, - 7 ) ) {
$this->archiver = new Tar_Archiver( null, 'tar.gz' );
} else if ( '.tar.bz2' === substr( $this->file, - 8 ) ) {
$this->archiver = new Tar_Archiver( null, 'tar.bz2' );
} else if ( '.tar' === substr( $this->file, - 4 ) ) {
$this->archiver = new Tar_Archiver( null, 'tar' );
}
}
/**
* Check for default PHP zip support
*
* @return bool
*/
public function checkZipSupport() {
return class_exists( 'ZipArchive' );
}
/**
* Check if we could run zip on console
*
* @return bool
*/
public function checkZipConsole() {
//todo: implement
// return function_exists('system');
return false;
}
public function checkWPZip() {
return function_exists( 'unzip_file' );
}
public function removeConfigFile() {
if ( ! $this->file || ! file_exists( $this->file ) ) {
return false;
}
if ( null !== $this->archiver ) {
} else if ( $this->checkZipConsole() ) {
//todo: implement
} else if ( $this->checkZipSupport() ) {
$zip = new ZipArchive();
$zipRes = $zip->open( $this->file );
if ( $zipRes ) {
$zip->deleteName( 'wp-config.php' );
$zip->deleteName( 'clone' );
$zip->close();
return true;
}
return false;
} else {
//use pclzip
$zip = new PclZip( $this->file );
$list = $zip->delete( PCLZIP_OPT_BY_NAME, 'wp-config.php' );
$list2 = $zip->delete( PCLZIP_OPT_BY_NAME, 'clone' );
if ( 0 === $list ) {
return false;
}
return true;
}
return false;
}
public function testDownload() {
if ( ! $this->file_exists( 'wp-content/' ) ) {
throw new Exception( __( 'This is not a full backup.', 'mainwp-child' ) );
}
if ( ! $this->file_exists( 'wp-admin/' ) ) {
throw new Exception( __( 'This is not a full backup.', 'mainwp-child' ) );
}
if ( ! $this->file_exists( 'wp-content/dbBackup.sql' ) ) {
throw new Exception( __( 'Database backup is missing.', 'mainwp-child' ) );
}
}
private function file_exists( $file ) {
if ( 'extracted' === $this->file ) {
return file_get_contents( '../clone/config.txt' );
}
if ( ! $this->file || ! file_exists( $this->file ) ) {
return false;
}
if ( null !== $this->archiver ) {
if ( ! $this->archiver->isOpen() ) {
$this->archiver->read( $this->file );
}
return $this->archiver->file_exists( $file );
} else if ( $this->checkZipConsole() ) {
//todo: implement
} else if ( $this->checkZipSupport() ) {
$zip = new ZipArchive();
$zipRes = $zip->open( $this->file );
if ( $zipRes ) {
$content = $zip->locateName( $file );
$zip->close();
return false !== $content;
}
return false;
} else {
return true;
}
return false;
}
public function readConfigurationFile() {
$configContents = $this->getConfigContents();
if ( false === $configContents ) {
throw new Exception( __( 'Cant read configuration file from the backup.', 'mainwp-child' ) );
}
$this->config = maybe_unserialize( base64_decode( $configContents ) );
if ( isset( $this->config['plugins'] ) ) {
MainWP_Helper::update_option( 'mainwp_temp_clone_plugins', $this->config['plugins'] );
}
if ( isset( $this->config['themes'] ) ) {
MainWP_Helper::update_option( 'mainwp_temp_clone_themes', $this->config['themes'] );
}
}
public function setConfig( $key, $val ) {
$this->config[ $key ] = $val;
}
public function testDatabase() {
$link = @MainWP_Child_DB::connect( $this->config['dbHost'], $this->config['dbUser'], $this->config['dbPass'] );
if ( ! $link ) {
throw new Exception( __( 'Invalid database host or user/password.', 'mainwp-child' ) );
}
$db_selected = @MainWP_Child_DB::select_db( $this->config['dbName'], $link );
if ( ! $db_selected ) {
throw new Exception( __( 'Invalid database name.', 'mainwp-child' ) );
}
}
public function clean() {
$files = glob( WP_CONTENT_DIR . '/dbBackup*.sql' );
foreach ( $files as $file ) {
@unlink( $file );
}
if ( file_exists( ABSPATH . 'clone/config.txt' ) ) {
@unlink( ABSPATH . 'clone/config.txt' );
}
if ( MainWP_Helper::is_dir_empty( ABSPATH . 'clone' ) ) {
@rmdir( ABSPATH . 'clone' );
}
try {
$dirs = MainWP_Helper::getMainWPDir( 'backup', false );
$backupdir = $dirs[0];
$files = glob( $backupdir . '*' );
foreach ( $files as $file ) {
if ( MainWP_Helper::isArchive( $file ) ) {
@unlink( $file );
}
}
} catch ( Exception $e ) {
}
}
public function updateWPConfig() {
$wpConfig = file_get_contents( ABSPATH . 'wp-config.php' );
$wpConfig = $this->replaceVar( 'table_prefix', $this->config['prefix'], $wpConfig );
if ( isset( $this->config['lang'] ) ) {
$wpConfig = $this->replaceDefine( 'WPLANG', $this->config['lang'], $wpConfig );
}
file_put_contents( ABSPATH . 'wp-config.php', $wpConfig );
}
public function update_option( $name, $value ) {
/** @var $wpdb wpdb */
global $wpdb;
$var = $wpdb->get_var( $wpdb->prepare( 'SELECT option_value FROM ' . $this->config['prefix'] . 'options WHERE option_name = %s', $name) );
if ( null === $var ) {
$wpdb->query( $wpdb->prepare( 'INSERT INTO ' . $this->config['prefix'] . 'options (`option_name`, `option_value`) VALUES (%s, "' . MainWP_Child_DB::real_escape_string( maybe_serialize( $value ) ) . '")', $name) );
} else {
$wpdb->query( $wpdb->prepare( 'UPDATE ' . $this->config['prefix'] . 'options SET option_value = "' . MainWP_Child_DB::real_escape_string( maybe_serialize( $value ) ) . '" WHERE option_name = %s', $name) );
}
}
public function install() {
/** @var $wpdb wpdb */
global $wpdb;
$table_prefix = $this->config['prefix'];
$home = get_option( 'home' );
$site_url = get_option( 'siteurl' );
// Install database
define( 'WP_INSTALLING', true );
define( 'WP_DEBUG', false );
$query = '';
$tableName = '';
$wpdb->query( 'SET foreign_key_checks = 0' );
$files = glob( WP_CONTENT_DIR . '/dbBackup*.sql' );
foreach ( $files as $file ) {
$handle = @fopen( $file, 'r' );
$lastRun = 0;
if ( $handle ) {
$readline = '';
while ( ( $line = fgets( $handle, 81920 ) ) !== false ) {
if ( time() - $lastRun > 20 ) {
@set_time_limit( 0 ); //reset timer..
$lastRun = time();
}
$readline .= $line;
if ( ! stristr( $line, ";\n" ) && ! feof( $handle ) ) {
continue;
}
$splitLine = explode( ";\n", $readline );
$splitLineLength = count( $splitLine );
for ( $i = 0; $i < $splitLineLength - 1; $i ++ ) {
$wpdb->query( $splitLine[ $i ] );
}
$readline = $splitLine[ count( $splitLine ) - 1 ];
}
if ( trim( $readline ) != '' ) {
$wpdb->query( $readline );
}
if ( ! feof( $handle ) ) {
throw new Exception( __( 'Error: unexpected end of file for database.', 'mainwp-child' ) );
}
fclose( $handle );
}
}
$tables = array();
$tables_db = $wpdb->get_results( 'SHOW TABLES FROM `' . DB_NAME . '`', ARRAY_N );
foreach ( $tables_db as $curr_table ) {
// fix for more table prefix in one database
if ( ( strpos( $curr_table[0], $wpdb->prefix ) !== false ) || ( strpos( $curr_table[0], $table_prefix ) !== false ) ) {
$tables[] = $curr_table[0];
}
}
// Replace importance data first so if other replace failed, the website still work
$wpdb->query( $wpdb->prepare( 'UPDATE ' . $table_prefix . 'options SET option_value = %s WHERE option_name = "siteurl"', $site_url ) );
$wpdb->query( $wpdb->prepare( 'UPDATE ' . $table_prefix . 'options SET option_value = %s WHERE option_name = "home"', $home ) );
// Replace others
$this->icit_srdb_replacer( $wpdb->dbh, $this->config['home'], $home, $tables );
$this->icit_srdb_replacer( $wpdb->dbh, $this->config['siteurl'], $site_url, $tables );
$wpdb->query( 'SET foreign_key_checks = 1' );
return true;
}
protected function recalculateSerializedLengths( $pObject ) {
return preg_replace_callback( '|s:(\d+):"(.*?)";|', array(
$this,
'recalculateSerializedLengths_callback',
), $pObject );
}
protected function recalculateSerializedLengths_callback( $matches ) {
return 's:' . strlen( $matches[2] ) . ':"' . $matches[2] . '";';
}
/**
* Check value to find if it was serialized.
*
* If $data is not an string, then returned value will always be false.
* Serialized data is always a string.
*
* @since 2.0.5
*
* @param mixed $data Value to check to see if was serialized.
*
* @return bool False if not serialized and true if it was.
*/
function is_serialized( $data ) {
// if it isn't a string, it isn't serialized
if ( ! is_string( $data ) ) {
return false;
}
$data = trim( $data );
if ( 'N;' === $data ) {
return true;
}
$length = strlen( $data );
if ( $length < 4 ) {
return false;
}
if ( ':' !== $data[1] ) {
return false;
}
$lastc = $data[ $length - 1 ];
if ( ';' !== $lastc && '}' !== $lastc ) {
return false;
}
$token = $data[0];
switch ( $token ) {
case 's' :
if ( '"' !== $data[ $length - 2 ] ) {
return false;
}
case 'a' :
case 'O' :
return (bool) preg_match( "/^{$token}:[0-9]+:/s", $data );
case 'b' :
case 'i' :
case 'd' :
return (bool) preg_match( "/^{$token}:[0-9.E-]+;\$/", $data );
}
return false;
}
public function cleanUp() {
// Clean up!
$files = glob( '../dbBackup*.sql' );
foreach ( $files as $file ) {
@unlink( $file );
}
}
public function getConfigContents() {
if ( 'extracted' === $this->file ) {
return file_get_contents( '../clone/config.txt' );
}
if ( ! $this->file || ! file_exists( $this->file ) ) {
return false;
}
if ( null !== $this->archiver ) {
if ( ! $this->archiver->isOpen() ) {
$this->archiver->read( $this->file );
}
$content = $this->archiver->getFromName( 'clone/config.txt' );
return $content;
} else {
if ( $this->checkZipConsole() ) {
//todo: implement
} else if ( $this->checkZipSupport() ) {
$zip = new ZipArchive();
$zipRes = $zip->open( $this->file );
if ( $zipRes ) {
$content = $zip->getFromName( 'clone/config.txt' );
// $zip->deleteName('clone/config.txt');
// $zip->deleteName('clone/');
$zip->close();
return $content;
}
return false;
} else {
//use pclzip
$zip = new PclZip( $this->file );
$content = $zip->extract( PCLZIP_OPT_BY_NAME, 'clone/config.txt',
PCLZIP_OPT_EXTRACT_AS_STRING );
if ( ! is_array( $content ) || ! isset( $content[0]['content'] ) ) {
return false;
}
return $content[0]['content'];
}
}
return false;
}
/**
* Extract backup
*
* @return bool
*/
public function extractBackup() {
if ( ! $this->file || ! file_exists( $this->file ) ) {
return false;
}
if ( null !== $this->archiver ) {
if ( ! $this->archiver->isOpen() ) {
$this->archiver->read( $this->file );
}
return $this->archiver->extractTo( ABSPATH );
} else if ( ( filesize( $this->file ) >= 50000000 ) && $this->checkWPZip() ) {
return $this->extractWPZipBackup();
} else if ( $this->checkZipConsole() ) {
return $this->extractZipConsoleBackup();
} else if ( $this->checkZipSupport() ) {
return $this->extractZipBackup();
} else if ( ( filesize( $this->file ) < 50000000 ) && $this->checkWPZip() ) {
return $this->extractWPZipBackup();
} else {
return $this->extractZipPclBackup();
}
}
/**
* Extract backup using default PHP zip library
*
* @return bool
*/
public function extractZipBackup() {
$zip = new ZipArchive();
$zipRes = $zip->open( $this->file );
if ( $zipRes ) {
@$zip->extractTo( ABSPATH );
$zip->close();
return true;
}
return false;
}
public function extractWPZipBackup() {
MainWP_Helper::getWPFilesystem();
global $wp_filesystem;
$tmpdir = ABSPATH;
if ( ( 'ftpext' === $wp_filesystem->method ) && defined( 'FTP_BASE' ) ) {
$ftpBase = FTP_BASE;
$ftpBase = trailingslashit( $ftpBase );
$tmpdir = str_replace( ABSPATH, $ftpBase, $tmpdir );
}
unzip_file( $this->file, $tmpdir );
return true;
}
public function extractZipPclBackup() {
$zip = new PclZip( $this->file );
if ( 0 === $zip->extract( PCLZIP_OPT_PATH, ABSPATH, PCLZIP_OPT_REPLACE_NEWER ) ) {
return false;
}
if ( $zip->error_code !== PCLZIP_ERR_NO_ERROR ) {
throw new Exception( $zip->errorInfo( true ) );
}
return true;
}
/**
* Extract backup using zip on console
*
* @return bool
*/
public function extractZipConsoleBackup() {
//todo implement
//system('zip');
return false;
}
/**
* Replace define statement to work with wp-config.php
*
* @param string $constant The constant name
* @param string $value The new value
* @param string $content The PHP file content
*
* @return string Replaced define statement with new value
*/
protected function replaceDefine( $constant, $value, $content ) {
return preg_replace( '/(define *\( *[\'"]' . $constant . '[\'"] *, *[\'"])(.*?)([\'"] *\))/is', '${1}' . $value . '${3}', $content );
}
/**
* Replace variable value to work with wp-config.php
*
* @param string $varname The variable name
* @param string $value The new value
* @param string $content The PHP file content
*
* @return string Replaced variable value with new value
*/
protected function replaceVar( $varname, $value, $content ) {
return preg_replace( '/(\$' . $varname . ' *= *[\'"])(.*?)([\'"] *;)/is', '${1}' . $value . '${3}', $content );
}
function recurse_chmod( $mypath, $arg ) {
$d = opendir( $mypath );
while ( ( $file = readdir( $d ) ) !== false ) {
if ( '.' !== $file && '..' !== $file ) {
$typepath = $mypath . '/' . $file;
if ( 'dir' === filetype( $typepath ) ) {
recurse_chmod( $typepath, $arg );
}
chmod( $typepath, $arg );
}
}
}
/**
* The main loop triggered in step 5. Up here to keep it out of the way of the
* HTML. This walks every table in the db that was selected in step 3 and then
* walks every row and column replacing all occurences of a string with another.
* We split large tables into 50,000 row blocks when dealing with them to save
* on memmory consumption.
*
* @param mysql $connection The db connection object
* @param string $search What we want to replace
* @param string $replace What we want to replace it with.
* @param array $tables The tables we want to look at.
*
* @return array Collection of information gathered during the run.
*/
function icit_srdb_replacer( $connection, $search = '', $replace = '', $tables = array() ) {
global $guid, $exclude_cols;
$report = array(
'tables' => 0,
'rows' => 0,
'change' => 0,
'updates' => 0,
'start' => microtime(),
'end' => microtime(),
'errors' => array(),
);
if ( is_array( $tables ) && ! empty( $tables ) ) {
foreach ( $tables as $table ) {
$report['tables'] ++;
$columns = array();
// Get a list of columns in this table
$fields = MainWP_Child_DB::_query( 'DESCRIBE ' . $table, $connection );
while ( $column = MainWP_Child_DB::fetch_array( $fields ) ) {
$columns[ $column['Field'] ] = 'PRI' === $column['Key'] ? true : false;
}
// Count the number of rows we have in the table if large we'll split into blocks, This is a mod from Simon Wheatley
$row_count = MainWP_Child_DB::_query( 'SELECT COUNT(*) as count FROM ' . $table, $connection ); // to fix bug
$rows_result = MainWP_Child_DB::fetch_array( $row_count );
$row_count = $rows_result['count'];
if ( 0 === $row_count ) {
continue;
}
$page_size = 50000;
$pages = ceil( $row_count / $page_size );
for ( $page = 0; $page < $pages; $page ++ ) {
$current_row = 0;
$start = $page * $page_size;
$end = $start + $page_size;
// Grab the content of the table
$data = MainWP_Child_DB::_query( sprintf( 'SELECT * FROM %s LIMIT %d, %d', $table, $start, $end ), $connection );
if ( ! $data ) {
$report['errors'][] = MainWP_Child_DB::error();
}
while ( $row = MainWP_Child_DB::fetch_array( $data ) ) {
$report['rows'] ++; // Increment the row counter
$current_row ++;
$update_sql = array();
$where_sql = array();
$upd = false;
foreach ( $columns as $column => $primary_key ) {
if ( 1 === $guid && in_array( $column, $exclude_cols ) ) {
continue;
}
$edited_data = $data_to_fix = $row[ $column ];
// Run a search replace on the data that'll respect the serialisation.
$edited_data = $this->recursive_unserialize_replace( $search, $replace, $data_to_fix );
// Something was changed
if ( $edited_data !== $data_to_fix ) {
$report['change'] ++;
$update_sql[] = $column . ' = "' . MainWP_Child_DB::real_escape_string( $edited_data ) . '"';
$upd = true;
}
if ( $primary_key ) {
$where_sql[] = $column . ' = "' . MainWP_Child_DB::real_escape_string( $data_to_fix ) . '"';
}
}
if ( $upd && ! empty( $where_sql ) ) {
$sql = 'UPDATE ' . $table . ' SET ' . implode( ', ', $update_sql ) . ' WHERE ' . implode( ' AND ', array_filter( $where_sql ) );
$result = MainWP_Child_DB::_query( $sql, $connection );
if ( ! $result ) {
$report['errors'][] = MainWP_Child_DB::error();
} else {
$report['updates'] ++;
}
} elseif ( $upd ) {
$report['errors'][] = sprintf( '"%s" has no primary key, manual change needed on row %s.', $table, $current_row );
}
}
}
}
}
$report['end'] = microtime();
return $report;
}
/**
* Take a serialised array and unserialise it replacing elements as needed and
* unserialising any subordinate arrays and performing the replace on those too.
*
* @param string $from String we're looking to replace.
* @param string $to What we want it to be replaced with
* @param array $data Used to pass any subordinate arrays back to in.
* @param bool $serialised Does the array passed via $data need serialising.
*
* @return array The original array with all elements replaced as needed.
*/
/* Fixed serialize issue */
function recursive_unserialize_replace( $from = '', $to = '', $data = '', $serialised = false ) {
// some unseriliased data cannot be re-serialised eg. SimpleXMLElements
try {
if ( is_string( $data ) && is_serialized( $data ) && !is_serialized_string( $data ) && ( $unserialized = @unserialize( $data ) ) !== false ) {
$data = $this->recursive_unserialize_replace( $from, $to, $unserialized, true );
} elseif ( is_array( $data ) ) {
$_tmp = array();
foreach ( $data as $key => $value ) {
$_tmp[ $key ] = $this->recursive_unserialize_replace( $from, $to, $value, false );
}
$data = $_tmp;
unset( $_tmp );
} elseif ( is_object( $data ) ) {
$_tmp = $data;
$props = get_object_vars( $data );
foreach ( $props as $key => $value ) {
$_tmp->{$key} = $this->recursive_unserialize_replace( $from, $to, $value, false );
}
$data = $_tmp;
unset( $_tmp );
} elseif (is_serialized_string($data) && is_serialized($data)) {
// TODO: apply solution like phpmyadmin project have!
if ( ($data = @unserialize( $data )) !== false ) {
$data = str_replace( $from, $to, $data );
$data = serialize( $data );
}
} else {
if ( is_string( $data ) ) {
$data = str_replace( $from, $to, $data );
}
}
if ( $serialised ) {
return serialize( $data );
}
} catch ( Exception $error ) {
}
return $data;
}
}