forked from interconnectit/Search-Replace-DB
/
index.php
3097 lines (2494 loc) · 201 KB
/
index.php
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<?php
/**
*
* Safe Search and Replace on Database with Serialized Data v3.1.0
*
* This script is to solve the problem of doing database search and replace when
* some data is stored within PHP serialized arrays or objects.
*
* For more information, see
* http://interconnectit.com/124/search-and-replace-for-wordpress-databases/
*
* To contribute go to
* http://github.com/interconnectit/search-replace-db
*
* To use, load the script on your server and point your web browser to it.
* In some situations, consider using the command line interface version.
*
* BIG WARNING! Take a backup first, and carefully test the results of this
* code. If you don't, and you vape your data then you only have yourself to
* blame. Seriously. And if your English is bad and you don't fully
* understand the instructions then STOP. Right there. Yes. Before you do any
* damage.
*
* USE OF THIS SCRIPT IS ENTIRELY AT YOUR OWN RISK. I/We accept no liability
* from its use.
*
* First Written 2009-05-25 by David Coveney of Interconnect IT Ltd (UK)
* http://www.davidcoveney.com or http://interconnectit.com
* and released under the GPL v3
* ie, do what ever you want with the code, and we take no responsibility for it
* OK? If you don't wish to take responsibility, hire us at Interconnect IT Ltd
* on +44 (0)151 331 5140 and we will do the work for you at our hourly rate,
* minimum 1hr
*
* License: GPL v3
* License URL: http://www.gnu.org/copyleft/gpl.html
*
*
* Version 3.1.0:
* * Added port number option to both web and CLI interfaces.
* * More reliable fallback on non-PDO systems.
* * Confirmation on 'Delete me'
* * Comprehensive check to prevent accidental deletion of web projects
* * Removed mysql functions and replaced with mysqli
*
* Version 3.0.0:
* * Major overhaul
* * Multibyte string replacements
* * UI completely redesigned
* * Removed all links from script until 'delete' has been clicked to avoid
* security risk from our access logs
* * Search replace functionality moved to it's own separate class
* * Replacements done table by table to avoid timeouts
* * Convert tables to InnoDB
* * Convert tables to utf8_unicode_ci
* * Use PDO if available
* * Preview/view changes
* * Optionally use preg_replace()
* * Scripts bootstraps WordPress/Drupal to avoid issues with unknown
* serialised objects/classes
* * Added marketing stuff to deleted screen (sorry but we're running a
* business!)
*
* Version 2.2.0:
* * Added remove script patch from David Anderson (wordshell.net)
* * Added ability to replace strings with nothing
* * Copy changes
* * Added code to recursive_unserialize_replace to deal with objects not
* just arrays. This was submitted by Tina Matter.
* ToDo: Test object handling. Not sure how it will cope with object in the
* db created with classes that don't exist in anything but the base PHP.
*
* Version 2.1.0:
* - Changed to version 2.1.0
* * Following change by Sergei Biryukov - merged in and tested by Dave Coveney
* - Added Charset Support (tested with UTF-8, not tested on other charsets)
* * Following changes implemented by James Whitehead with thanks to all the commenters and feedback given!
* - Removed PHP warnings if you go to step 3+ without DB details.
* - Added options to skip changing the guid column. If there are other
* columns that need excluding you can add them to the $exclude_cols global
* array. May choose to add another option to the table select page to let
* you add to this array from the front end.
* - Minor tweak to label styling.
* - Added comments to each of the functions.
* - Removed a dead param from icit_srdb_replacer
* Version 2.0.0:
* - returned to using unserialize function to check if string is
* serialized or not
* - marked is_serialized_string function as deprecated
* - changed form order to improve usability and make use on multisites a
* bit less scary
* - changed to version 2, as really should have done when the UI was
* introduced
* - added a recursive array walker to deal with serialized strings being
* stored in serialized strings. Yes, really.
* - changes by James R Whitehead (kudos for recursive walker) and David
* Coveney 2011-08-26
* Version 1.0.2:
* - typos corrected, button text tweak - David Coveney / Robert O'Rourke
* Version 1.0.1
* - styling and form added by James R Whitehead.
*
* Credits: moz667 at gmail dot com for his recursive_array_replace posted at
* uk.php.net which saved me a little time - a perfect sample for me
* and seems to work in all cases.
*
*/
// always good here
header( 'HTTP/1.1 200 OK' );
header('Cache-Control: no-cache, no-store, must-revalidate'); // HTTP 1.1.
header('Pragma: no-cache'); // HTTP 1.0.
header('Expires: 0'); // Proxies.
require_once( 'srdb.class.php' );
class icit_srdb_ui extends icit_srdb {
/**
* @var string Root path of the CMS
*/
public $path;
public $is_typo = false;
public $is_wordpress = false;
public $is_drupal = false;
public $is_joomla = false;
public $is_docker = false;
public function __construct() {
// php 5.4 date timezone requirement, shouldn't affect anything
date_default_timezone_set( 'Europe/London' );
// prevent fatals from hiding the UI
register_shutdown_function( array( $this, 'fatal_handler' ) );
// flag to bootstrap WP, Drupal or Joomla
$bootstrap = true; // isset( $_GET[ 'bootstrap' ] );
// discover environment
if ( $bootstrap && $this->is_wordpress() ) {
// prevent warnings if the charset and collate aren't defined
if ( !defined( 'DB_CHARSET') ) {
define( 'DB_CHARSET', 'utf8' );
}
if ( !defined( 'DB_COLLATE') ) {
define( 'DB_COLLATE', '' );
}
// populate db details
$name = DB_NAME;
$user = DB_USER;
$pass = DB_PASSWORD;
// Port and host need to be split apart.
if ( strstr( DB_HOST, ':' ) !== false ) {
$parts = explode( ':', DB_HOST );
$host = $parts[0];
$port_input = $parts[1];
$port = abs( (int)$port_input );
} else {
$host = DB_HOST;
$port = 3306;
}
$charset = DB_CHARSET;
$collate = DB_COLLATE;
$this->response( $name, $user, $pass, $host, $port, $charset, $collate );
} elseif( $bootstrap && $this->is_drupal() ) {
$database = Database::getConnection();
$database_opts = $database->getConnectionOptions();
// populate db details
$name = $database_opts[ 'database' ];
$user = $database_opts[ 'username' ];
$pass = $database_opts[ 'password' ];
$host = $database_opts[ 'host' ];
$port = $database_opts[ 'port' ];
$charset = 'utf8';
$collate = '';
$port_as_string = (string)$port ? (string)$port : "0";
if ( (string)abs( (int)$port ) !== $port_as_string ) {
$port = 3306;
} else {
$port = (string)abs( (int)$port );
}
$this->response( $name, $user, $pass, $host, $port, $charset, $collate );
} elseif( $bootstrap && $this->is_joomla() ) {
// Create a JConfig object
$jconfig = new JConfig();
// populate db details
$name = $jconfig->db;
$user = $jconfig->user;
$pass = $jconfig->password;
// Port and host need to be split apart.
if ( strstr( $jconfig->host, ':' ) !== false ) {
$parts = explode( ':', $jconfig->host );
$host = $parts[0];
$port_input = $parts[1];
$port = abs( (int)$port_input );
} else {
$host = $jconfig->host;
$port = 3306;
}
$charset = 'utf8';
$collate = '';
$this->response( $name, $user, $pass, $host, $port, $charset, $collate );
} elseif ($this->is_typo()) {
// populate db details
$name = DB_NAME;
$user = DB_USER;
$pass = DB_PASSWORD;
$port = DB_PORT;
$host = DB_HOST;
$charset = 'utf8';
$collate = '';
$portAsString = (string)$port ? (string)$port : "0";
if ((string)abs((int)$port) !== $portAsString) {
$port = 3306;
} else {
$port = (string)abs((int)$port);
}
$this->response($name, $user, $pass, $host, $port, $charset, $collate);
} elseif( $bootstrap && $this->is_docker() ) {
$name = '';
$user = 'root';
$pass = DB_PASSWORD;
$host = DB_HOST;
$port = DB_PORT;
$charset = 'utf8';
$collate = '';
$this->response( $name, $user, $pass, $host, $port, $charset, $collate );
} else {
$this->response();
}
}
public function response( $name = '', $user = '', $pass = '', $host = '127.0.0.1', $port = 3306, $charset = 'utf8', $collate = '' ) {
if (version_compare(PHP_VERSION, '5.2') < 0){
$this->add_error("The script requires php version 5.2 or above, whereas your php version is: " . PHP_VERSION . ". Please update php and try again", "compatibility");
}
if (!extension_loaded("mbstring"))
{
$this->add_error("This script requires mbstring. Please install mbstring and try again", "compatibility");
}
// always override with post data
if ( isset( $_POST[ 'name' ] ) ) {
$name = $_POST[ 'name' ]; // your database
$user = $_POST[ 'user' ]; // your db userid
$pass = $_POST[ 'pass' ]; // your db password
$host = $_POST[ 'host' ]; // normally localhost, but not necessarily.
$port_input = $_POST[ 'port' ];
// Make sure that the string version of absint(port) is identical to the string input.
// This prevents expressions, decimals, spaces, etc.
$port_as_string = (string)$port_input ? (string)$port_input : "0";
if ( (string)abs( (int)$port_input ) !== $port_as_string ) {
// Mangled port number: non numeric.
$this->add_error('Port number must be a positive integer. If you are unsure, try the default port 3306.', 'db');
// Force a bad run by supplying nonsense.
$port = "nonsense";
} else {
$port = abs( (int)$port_input );
}
$charset = 'utf8'; // isset( $_POST[ 'char' ] ) ? stripcslashes( $_POST[ 'char' ] ) : ''; // your db charset
$collate = '';
}
// Search replace details
$search = isset( $_POST[ 'search' ] ) ? $_POST[ 'search' ] : '';
$replace = isset( $_POST[ 'replace' ] ) ? $_POST[ 'replace' ] : '';
// regex options
$regex = isset( $_POST[ 'regex' ] );
$regex_i = isset( $_POST[ 'regex_i' ] );
$regex_m = isset( $_POST[ 'regex_m' ] );
$regex_s = isset( $_POST[ 'regex_s' ] );
$regex_x = isset( $_POST[ 'regex_x' ] );
// Tables to scanned
$tables = isset( $_POST[ 'tables' ] ) && is_array( $_POST[ 'tables' ] ) ? $_POST[ 'tables' ] : array( );
if ( isset( $_POST[ 'use_tables' ] ) && $_POST[ 'use_tables' ] == 'all' )
$tables = array();
// exclude / include columns
$exclude_cols = isset( $_POST[ 'exclude_cols' ] ) ? $_POST[ 'exclude_cols' ] : array();
$include_cols = isset( $_POST[ 'include_cols' ] ) ? $_POST[ 'include_cols' ] : array();
foreach( array( 'exclude_cols', 'include_cols' ) as $maybe_string_arg ) {
if ( is_string( $$maybe_string_arg ) )
$$maybe_string_arg = array_filter( array_map( 'trim', explode( ',', $$maybe_string_arg ) ) );
}
// update class vars
$vars = array(
'name', 'user', 'pass', 'host', 'port',
'charset', 'collate', 'tables',
'search', 'replace',
'exclude_cols', 'include_cols',
'regex', 'regex_i', 'regex_m', 'regex_s', 'regex_x'
);
foreach( $vars as $var ) {
if ( isset( $$var ) )
$this->set( $var, $$var );
}
// are doing something?
$show = '';
if ( isset( $_POST[ 'submit' ] ) ) {
if ( is_array( $_POST[ 'submit' ] ) )
$show = key( $_POST[ 'submit' ] );
if ( is_string( $_POST[ 'submit' ] ) )
$show = preg_replace( '/submit\[([a-z0-9]+)\]/', '$1', $_POST[ 'submit' ] );
}
// is it an AJAX call
$ajax = isset( $_POST[ 'ajax' ] );
// body callback
$html = 'ui';
switch( $show ) {
// remove search replace
case 'delete':
// determine if it's the folder of compiled version
if ( basename( __FILE__ ) == 'index.php' )
$path = str_replace( basename( __FILE__ ), '', __FILE__ );
else
$path = __FILE__;
$delete_script_success = $this->delete_script( $path );
if ( self::DELETE_SCRIPT_FAIL_UNSAFE === $delete_script_success) {
$this->add_error( 'Delete aborted! You seem to have placed Search/Replace into your WordPress or Drupal root. Please remove Search/Replace manually.', 'delete' );
} else {
if ( ( self::DELETE_SCRIPT_SUCCESS === $delete_script_success ) && !( is_file( __FILE__ ) && file_exists( __FILE__ ) ) ) {
$this->add_error( 'Search/Replace has been successfully removed from your server', 'delete' );
} else {
$this->add_error( 'Could not fully delete Search/Replace. You will have to delete it manually', 'delete' );
}
}
$html = 'deleted';
break;
case 'liverun':
// bsy-web, 20130621: Check live run was explicitly clicked and only set false then
$this->set( 'dry_run', false );
case 'dryrun':
// build regex string
// non UI implements can just pass in complete regex string
if ( $this->regex ) {
$mods = '';
if ( $this->regex_i ) $mods .= 'i';
if ( $this->regex_s ) $mods .= 's';
if ( $this->regex_m ) $mods .= 'm';
if ( $this->regex_x ) $mods .= 'x';
$this->search = '/' . $this->search . '/' . $mods;
}
// call search replace class
$parent = parent::__construct( array(
'name' => $this->get( 'name' ),
'user' => $this->get( 'user' ),
'pass' => $this->get( 'pass' ),
'host' => $this->get( 'host' ),
'port' => $this->get( 'port' ),
'search' => $this->get( 'search' ),
'replace' => $this->get( 'replace' ),
'tables' => $this->get( 'tables' ),
'dry_run' => $this->get( 'dry_run' ),
'regex' => $this->get( 'regex' ),
'exclude_cols' => $this->get( 'exclude_cols' ),
'include_cols' => $this->get( 'include_cols' )
) );
break;
case 'innodb':
// call search replace class to alter engine
$parent = parent::__construct( array(
'name' => $this->get( 'name' ),
'user' => $this->get( 'user' ),
'pass' => $this->get( 'pass' ),
'host' => $this->get( 'host' ),
'port' => $this->get( 'port' ),
'tables' => $this->get( 'tables' ),
'alter_engine' => 'InnoDB',
) );
break;
case 'utf8':
// call search replace class to alter engine
$parent = parent::__construct( array(
'name' => $this->get( 'name' ),
'user' => $this->get( 'user' ),
'pass' => $this->get( 'pass' ),
'host' => $this->get( 'host' ),
'port' => $this->get( 'port' ),
'tables' => $this->get( 'tables' ),
'alter_collation' => 'utf8_unicode_ci',
) );
break;
case 'utf8mb4':
// call search replace class to alter engine
$parent = parent::__construct( array(
'name' => $this->get( 'name' ),
'user' => $this->get( 'user' ),
'pass' => $this->get( 'pass' ),
'host' => $this->get( 'host' ),
'port' => $this->get( 'port' ),
'tables' => $this->get( 'tables' ),
'alter_collation' => 'utf8mb4_unicode_ci',
) );
break;
case 'update':
default:
// get tables or error messages
$this->db_setup();
if ( $this->db_valid() ) {
// get engines
$this->set( 'engines', $this->get_engines() );
// get tables
$this->set( 'all_tables', $this->get_tables() );
}
break;
}
$info = array(
'table_select' => $this->table_select( false ),
'engines' => $this->get( 'engines' )
);
// set header again before output in case WP does it's thing
header( 'HTTP/1.1 200 OK' );
if ( ! $ajax ) {
$this->html( $html );
} else {
// return json version of results
header( 'Content-Type: application/json' );
echo json_encode( array(
'errors' => $this->get( 'errors' ),
'report' => $this->get( 'report' ),
'info' => $info
) );
exit;
}
}
public function exceptions( $exception ) {
$this->add_error( '<p class="exception">' . $exception->getMessage() . '</p>' );
}
public function errors( $no, $message, $file, $line ) {
$this->add_error( '<p class="error">' . "<strong>{$no}:</strong> {$message} in {$file} on line {$line}" . '</p>', 'results' );
}
public function fatal_handler() {
$error = error_get_last();
if( $error !== NULL ) {
$errno = $error["type"];
$errfile = $error["file"];
$errline = $error["line"];
$errstr = $error["message"];
if ( $errno == 1 ) {
header( 'HTTP/1.1 200 OK' );
$this->add_error( '<p class="error">Could not bootstrap environment.<br /> ' . "Fatal error in {$errfile}, line {$errline}. {$errstr}" . '</p>', 'environment' );
$this->response();
}
}
}
/**
* Return an array of all files and directories recursively below $path.
*
* If $path is a file, returns an array containing just that filename.
*
* @param string $path directory/file path.
*
* @return array
*/
public function determine_all_files_below_path( $path ) {
// A file contains only 'itself'.
if ( is_file( $path ) ) {
return array( $path );
}
$directory_contents = glob( $path . '/*' );
$full_recursive_contents = array();
// Every directory contains all of its files, plus 'itself'.
foreach ( $directory_contents as $item_filename ) {
$full_recursive_contents = array_merge($full_recursive_contents, $this->determine_all_files_below_path( $item_filename ) );
}
$full_recursive_contents = array_merge($full_recursive_contents, array( $path ) );
return $full_recursive_contents;
}
/**
* @param $path Filename to inspect
*
* @return boolean true if it is most likely nothing to do with WordPress or Drupal.
*/
public function safe_to_delete_filename( $path ) {
// You'll have to edit this list if
// more files are included in SRDB.
// Using an untargeted deletion operation is
// entirely unacceptable.
$srdb_filename_whitelist = array(
'composer.json',
'index.php',
'package.json',
'README.md',
'srdb.class.php',
'srdb.cli.php',
'srdb-tests',
'charset-test.php',
'DataSet.xml',
'DataSetGenerator.php',
'db.sql',
'SrdbTest.php'
);
foreach ( $srdb_filename_whitelist as $whitelist_item ) {
if ( false !== stripos( $path, $whitelist_item ) ) {
return true;
}
}
return false;
}
/**
* Checks an array of fully qualified filenames to see if they are all
* SRDB filenames.
*
* @param array $array_of_paths
*
* @return boolean true if all paths are most likely SRDB files.
*/
public function safe_to_delete_all_filenames( $array_of_paths ) {
foreach ( $array_of_paths as $path ) {
if ( !$this->safe_to_delete_filename( $path ) ) {
return false;
}
}
return true;
}
const DELETE_SCRIPT_SUCCESS = 0;
const DELETE_SCRIPT_FAIL_CANT_DELETE = -1;
const DELETE_SCRIPT_FAIL_UNSAFE = -2;
/**
* http://stackoverflow.com/questions/3349753/delete-directory-with-files-in-it
*
* @param string $path directory/file path
*
* @return integer DELETE_SCRIPT_SUCCESS for success, DELETE_SCRIPT_FAIL_CANT_DELETE for physical failure, DELETE_SCRIPT_FAIL_UNSAFE for 'Shouldn't delete wordpress' failure.
*/
public function delete_script( $path ) {
$all_targets = $this->determine_all_files_below_path( $path );
$all_targets_minus_containing_directory = $all_targets;
// Proceed if all files identified (except the current directory)
// match a list of whitelisted deletable filenames.
array_pop( $all_targets_minus_containing_directory );
$can_proceed = $this->safe_to_delete_all_filenames( $all_targets_minus_containing_directory );
if ( !$can_proceed ) return self::DELETE_SCRIPT_FAIL_UNSAFE;
foreach ( $all_targets as $target_filename ) {
if ( is_file( $target_filename ) ) {
if ( false === @unlink( $target_filename ) ) return self::DELETE_SCRIPT_FAIL_CANT_DELETE;
} else {
if ( false === @rmdir( $target_filename ) ) return self::DELETE_SCRIPT_FAIL_CANT_DELETE;
}
}
return self::DELETE_SCRIPT_SUCCESS;
}
/**
* Attempts to detect a Typo3 installation
*
* @return bool Whether it is a Typo3 installation and we have database credentials
*/
public function is_typo()
{
$pathMod = '';
$depth = 0;
$maxDepth = 4;
$configFile = 'typo3conf/LocalConfiguration.php';
$currentDir = getcwd();
while (!file_exists($currentDir . "{$pathMod}/{$configFile}")) {
$pathMod .= '/..';
if ($depth++ >= $maxDepth) {
break;
}
}
if (file_exists($currentDir . "{$pathMod}/{$configFile}")) {
$configPath = $currentDir . "{$pathMod}/{$configFile}";
$config = require $configPath;
define('DB_NAME', $config['DB']['database']);
define('DB_USER', $config['DB']['username']);
define('DB_PASSWORD', $config['DB']['password']);
define('DB_HOST', $config['DB']['host']);
define('DB_PORT', $config['DB']['port']);
return true;
}
return false;
}
/**
* Attempts to detect a WordPress installation and bootstraps the environment with it
*
* @return bool Whether it is a WP install and we have database credentials
*/
public function is_wordpress() {
$path_mod = '';
$depth = 0;
$max_depth = 4;
$bootstrap_file = 'wp-blog-header.php';
while( ! file_exists( dirname( __FILE__ ) . "{$path_mod}/{$bootstrap_file}" ) ) {
$path_mod .= '/..';
if ( $depth++ >= $max_depth )
break;
}
if ( file_exists( dirname( __FILE__ ) . "{$path_mod}/{$bootstrap_file}" ) ) {
// store WP path
$this->path = dirname( __FILE__ ) . $path_mod;
// just in case we're white screening
try {
// need to make as many of the globals available as possible or things can break
// (globals suck)
global $wp, $wpdb, $wp_query, $wp_the_query, $wp_version,
$wp_db_version, $tinymce_version, $manifest_version,
$required_php_version, $required_mysql_version,
$post, $posts, $wp_locale, $authordata, $more, $numpages,
$currentday, $currentmonth, $page, $pages, $multipage,
$wp_rewrite, $wp_filesystem, $blog_id, $request,
$wp_styles, $wp_taxonomies, $wp_post_types, $wp_filter,
$wp_object_cache, $query_string, $single, $post_type,
$is_iphone, $is_chrome, $is_safari, $is_NS4, $is_opera,
$is_macIE, $is_winIE, $is_gecko, $is_lynx, $is_IE,
$is_apache, $is_iis7, $is_IIS;
// prevent multisite redirect
define( 'WP_INSTALLING', true );
// prevent super/total cache
define( 'DONOTCACHEDB', true );
define( 'DONOTCACHEPAGE', true );
define( 'DONOTCACHEOBJECT', true );
define( 'DONOTCDN', true );
define( 'DONOTMINIFY', true );
// cancel batcache
if ( function_exists( 'batcache_cancel' ) )
batcache_cancel();
// bootstrap WordPress
require( dirname( __FILE__ ) . "{$path_mod}/{$bootstrap_file}" );
$this->set( 'path', ABSPATH );
$this->set( 'is_wordpress', true );
return true;
} catch( Exception $error ) {
// try and get database values using regex approach
$db_details = $this->define_find( $this->path . '/wp-config.php' );
if ( $db_details ) {
define( 'DB_NAME', $db_details[ 'name' ] );
define( 'DB_USER', $db_details[ 'user' ] );
define( 'DB_PASSWORD', $db_details[ 'pass' ] );
define( 'DB_HOST', $db_details[ 'host' ] );
define( 'DB_CHARSET', $db_details[ 'char' ] );
define( 'DB_COLLATE', $db_details[ 'coll' ] );
// additional error message
$this->add_error( 'WordPress detected but could not bootstrap environment. There might be a PHP error, possibly caused by changes to the database', 'db' );
}
if ( $db_details )
return true;
}
}
return false;
}
public function is_drupal() {
$path_mod = '';
$depth = 0;
$max_depth = 4;
$bootstrap_file = 'includes/bootstrap.inc';
while( ! file_exists( dirname( __FILE__ ) . "{$path_mod}/{$bootstrap_file}" ) ) {
$path_mod .= '/..';
if ( $depth++ >= $max_depth )
break;
}
if ( file_exists( dirname( __FILE__ ) . "{$path_mod}/{$bootstrap_file}" ) ) {
try {
// require the bootstrap include
require_once( dirname( __FILE__ ) . "{$path_mod}/{$bootstrap_file}" );
// define drupal root
if ( ! defined( 'DRUPAL_ROOT' ) )
define( 'DRUPAL_ROOT', dirname( __FILE__ ) . $path_mod );
// load drupal
drupal_bootstrap( DRUPAL_BOOTSTRAP_FULL );
// confirm environment
$this->set( 'is_drupal', true );
return true;
} catch( Exception $error ) {
// We can't add_error here as 'db' because if the db errors array is not empty, the interface doesn't activate!
// This is a consequence of the 'complete' method in JavaScript
$this->add_error( 'Drupal detected but could not bootstrap to retrieve configuration. There might be a PHP error, possibly caused by changes to the database', 'recoverable_db' );
}
}
return false;
}
public function is_joomla() {
$path_mod = '';
$depth = 0;
$max_depth = 4;
$bootstrap_file = 'configuration.php';
while( ! file_exists( dirname( __FILE__ ) . "{$path_mod}/{$bootstrap_file}" ) ) {
$path_mod .= '/..';
if ( $depth++ >= $max_depth )
break;
}
if ( file_exists( dirname( __FILE__ ) . "{$path_mod}/{$bootstrap_file}" ) ) {
try {
// require the bootstrap include
require_once( dirname( __FILE__ ) . "{$path_mod}/{$bootstrap_file}" );
// Create a JConfig object
$jconfig = new JConfig();
// confirm environment
$this->set( 'is_joomla', true );
return true;
} catch( Exception $error ) {
// We can't add_error here as 'db' because if the db errors array is not empty, the interface doesn't activate!
// This is a consequence of the 'complete' method in JavaScript
$this->add_error( 'Joomla detected but could not retrieve configuration. This could be a PHP error, possibly caused by a false positive', 'recoverable_db' );
}
}
}
/**
* Attempts to detect a Docker container and bootstraps the environment with it
*
* @return bool Whether it is a Docker container and we have a linked database
*/
public function is_docker() {
putenv('MYSQL_ENV_MYSQL_VERSION=5.6.22');
putenv('MYSQL_ENV_MYSQL_ROOT_PASSWORD=root');
putenv('MYSQL_PORT_3306_TCP_PORT=3306');
putenv('MYSQL_PORT_3306_TCP_ADDR=172.17.0.67');
if ( file_exists( '/.dockerenv' ) && file_exists( '/.dockerinit' ) ) {
if ( getenv( 'MYSQL_ENV_MYSQL_VERSION' ) ) {
define( 'DB_PASSWORD', getenv( 'MYSQL_ENV_MYSQL_ROOT_PASSWORD' ) );
define( 'DB_HOST', getenv( 'MYSQL_PORT_3306_TCP_ADDR' ) );
define( 'DB_PORT', getenv( 'MYSQL_PORT_3306_TCP_PORT' ) );
} else {
$this->add_error( 'Docker environment detected but could not find a linked MySQL container.', 'db' );
}
return true;
}
return false;
}
/**
* Search through the file name passed for a set of defines used to set up
* WordPress db access.
*
* @param string $filename The file name we need to scan for the defines.
*
* @return array List of db connection details.
*/
public function define_find( $filename = 'wp-config.php' ) {
if ( $filename == 'wp-config.php' ) {
$filename = dirname( __FILE__ ) . '/' . basename( $filename );
// look up one directory if config file doesn't exist in current directory
if ( ! file_exists( $filename ) )
$filename = dirname( __FILE__ ) . '/../' . basename( $filename );
}
if ( file_exists( $filename ) && is_file( $filename ) && is_readable( $filename ) ) {
$file = @fopen( $filename, 'r' );
$file_content = fread( $file, filesize( $filename ) );
@fclose( $file );
}
preg_match_all( '/define\s*?\(\s*?([\'"])(DB_NAME|DB_USER|DB_PASSWORD|DB_HOST|DB_CHARSET|DB_COLLATE)\1\s*?,\s*?([\'"])([^\3]*?)\3\s*?\)\s*?;/si', $file_content, $defines );
if ( ( isset( $defines[ 2 ] ) && ! empty( $defines[ 2 ] ) ) && ( isset( $defines[ 4 ] ) && ! empty( $defines[ 4 ] ) ) ) {
foreach( $defines[ 2 ] as $key => $define ) {
switch( $define ) {
case 'DB_NAME':
$name = $defines[ 4 ][ $key ];
break;
case 'DB_USER':
$user = $defines[ 4 ][ $key ];
break;
case 'DB_PASSWORD':
$pass = $defines[ 4 ][ $key ];
break;
case 'DB_HOST':
$host = $defines[ 4 ][ $key ];
break;
case 'DB_CHARSET':
$char = $defines[ 4 ][ $key ];
break;
case 'DB_COLLATE':
$coll = $defines[ 4 ][ $key ];
break;
}
}
}
return array(
'host' => $host,
'name' => $name,
'user' => $user,
'pass' => $pass,
'char' => $char,
'coll' => $coll
);
}
/**
* Display the current url
*
*/
public function self_link() {
return 'http://' . $_SERVER[ 'HTTP_HOST' ] . rtrim( $_SERVER[ 'REQUEST_URI' ], '/' );
}
/**
* Simple html escaping
*
* @param string $string Thing that needs escaping
* @param bool $echo Do we echo or return?
*
* @return string Escaped string.
*/
public function esc_html_attr( $string = '', $echo = false ) {
$output = htmlentities( $string, ENT_QUOTES, 'UTF-8' );
if ( $echo )
echo $output;
else
return $output;
}
public function checked( $value, $value2, $echo = true ) {
$output = $value == $value2 ? ' checked="checked"' : '';
if ( $echo )
echo $output;
return $output;
}
public function selected( $value, $value2, $echo = true ) {
$output = $value == $value2 ? ' selected="selected"' : '';
if ( $echo )
echo $output;
return $output;
}
public function get_errors( $type ) {
if ( ! isset( $this->errors[ $type ] ) || ! count( $this->errors[ $type ] ) )
return;
echo '<div class="errors">';
foreach( $this->errors[ $type ] as $error ) {
if ( $error instanceof Exception )