551 lines
15 KiB
PHP
551 lines
15 KiB
PHP
<?php
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/**
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* @brief Converter Software Core Class
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* @author <a href='https://www.invisioncommunity.com'>Invision Power Services, Inc.</a>
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* @copyright (c) Invision Power Services, Inc.
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* @package Invision Community
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* @subpackage convert
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* @since 21 Jan 2015
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*/
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namespace IPS\convert;
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/* To prevent PHP errors (extending class does not exist) revealing path */
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use BadMethodCallException;
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use Exception;
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use InvalidArgumentException;
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use IPS\Data\Store;
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use IPS\Db;
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use IPS\Db\Select;
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use IPS\Http\Url;
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use IPS\Log;
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use IPS\Member;
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use function defined;
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use function get_class;
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use function in_array;
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use function is_null;
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use function is_string;
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if ( !defined( '\IPS\SUITE_UNIQUE_KEY' ) )
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{
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header( ( $_SERVER['SERVER_PROTOCOL'] ?? 'HTTP/1.0' ) . ' 403 Forbidden' );
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exit;
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}
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/**
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* Converter Software Class
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*/
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abstract class Software
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{
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/**
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* @brief \IPS\convert\App instance
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*/
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public $app = NULL;
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/**
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* @brief \IPS\Db instance to the source application
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*/
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public $db = NULL;
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/**
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* @brief Is UTF8
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*/
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public $isUtfEight = TRUE;
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/**
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* @brief Flag to indicate the post data has been fixed during conversion, and we only need to use Legacy Parser
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*/
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public static $contentFixed = FALSE;
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/**
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* Constructor
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*
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* @param App $app The application to reference for database and other information.
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* @param bool $needDB If the database is needed or not.
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* @return void
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* @throws InvalidArgumentException
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*/
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public function __construct(App $app, $needDB=TRUE )
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{
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$this->app = $app;
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/* If we have a parent and no DB details we need to use that instead */
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if ( $this->app->parent > 0 AND !$this->app->db_host )
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{
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$this->app->db_host = $this->app->_parent->db_host;
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$this->app->db_port = $this->app->_parent->db_port;
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$this->app->db_user = $this->app->_parent->db_user;
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$this->app->db_pass = $this->app->_parent->db_pass;
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$this->app->db_db = $this->app->_parent->db_db;
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$this->app->db_prefix = $this->app->_parent->db_prefix;
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$this->app->db_charset = $this->app->_parent->db_charset;
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}
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$connectionSettings = array(
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'sql_host' => $this->app->db_host,
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'sql_port' => $this->app->db_port,
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'sql_user' => $this->app->db_user,
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'sql_pass' => $this->app->db_pass,
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'sql_database' => $this->app->db_db,
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'sql_tbl_prefix' => $this->app->db_prefix,
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);
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if ( $this->app->db_charset === 'utf8mb4' )
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{
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$connectionSettings['sql_utf8mb4'] = TRUE;
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}
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//-----------------------------------------
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// Are we connected?
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// (in the great circle of life...)
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//-----------------------------------------
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/* If we are rebulding, we don't actually need to establish a connection to the source database. This will both help improve speed, as well as avoid an exception if the connection no longer works */
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if ( $needDB )
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{
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try
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{
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$this->db = Db::i( 'convert_' . $this->app->app_id, $connectionSettings );
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/* Are we utf8? */
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if ( !in_array( $this->app->db_charset, array( 'utf8', 'utf8mb4' ) ) )
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{
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/* Get all db charsets */
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$charsets = static::getDatabaseCharsets( $this->db );
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/* Set a flag that the data is not UTF8... we need to convert it to UTF8 at conversion time. */
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if ( !in_array( mb_strtolower( $this->app->db_charset ), $charsets ) )
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{
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/* @todo We need to use a comprehensive conversion system like the UTF8 Converter... or maybe we can provide instructions on how to use it on non-IPS databases if MB can't do it? */
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throw new InvalidArgumentException( 'invalid_charset' );
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}
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$this->isUtfEight = FALSE;
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$this->db->set_charset( $this->app->db_charset );
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}
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}
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catch( \IPS\Db\Exception $e )
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{
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throw new InvalidArgumentException( "Database Connection Failed: " . $e->getMessage() );
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}
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}
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}
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/**
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* Magic __call() method
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*
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* @param string $name The method to call without convert prefix.
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* @param mixed $arguments Arguments to pass to the method
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* @return mixed
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*/
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public function __call( $name, $arguments )
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{
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if ( method_exists( $this, 'convert' . $name ) )
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{
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$function = 'convert' . $name;
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return $this->$function( $arguments );
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}
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elseif ( method_exists( $this, $name ) )
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{
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return $this->$name( $arguments );
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}
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else
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{
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Log::log( "Call to undefined method in " . get_class( $this ) . "::{$name}", 'converters' );
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return NULL;
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}
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}
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/**
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* Software
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*
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* @return array
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*/
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public static function software()
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{
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return array(
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'core' => array(
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'expressionengine' => 'IPS\convert\Software\Core\Expressionengine',
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'invisioncommunity' => 'IPS\convert\Software\Core\Invisioncommunity',
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'joomla' => 'IPS\convert\Software\Core\Joomla',
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'mybb' => 'IPS\convert\Software\Core\Mybb',
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'photopost' => 'IPS\convert\Software\Core\Photopost',
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'phpbb' => 'IPS\convert\Software\Core\Phpbb',
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'phpmyforum' => 'IPS\convert\Software\Core\Phpmyforum',
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'punbb' => 'IPS\convert\Software\Core\Punbb',
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'smf' => 'IPS\convert\Software\Core\Smf',
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'ubbthreads' => 'IPS\convert\Software\Core\UBBthreads',
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'vanilla' => 'IPS\convert\Software\Core\Vanilla',
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'vbulletin' => 'IPS\convert\Software\Core\Vbulletin',
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'vbulletin5' => 'IPS\convert\Software\Core\Vbulletin5',
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'woltlab' => 'IPS\convert\Software\Core\Woltlab',
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'wordpress' => 'IPS\convert\Software\Core\Wordpress',
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'wpforo' => 'IPS\convert\Software\Core\Wpforo',
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'xenforo' => 'IPS\convert\Software\Core\Xenforo',
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),
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'blog' => array(
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'vbulletin' => 'IPS\convert\Software\Blog\Vbulletin',
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'invisioncommunity' => 'IPS\convert\Software\Blog\Invisioncommunity',
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),
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'calendar' => array(
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'mybb' => 'IPS\convert\Software\Calendar\Mybb',
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'vbulletin' => 'IPS\convert\Software\Calendar\Vbulletin',
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'invisioncommunity' => 'IPS\convert\Software\Calendar\Invisioncommunity',
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),
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'cms' => array(
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'joomla' => 'IPS\convert\Software\Cms\Joomla',
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'vbulletin' => 'IPS\convert\Software\Cms\Vbulletin',
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'wordpress' => 'IPS\convert\Software\Cms\Wordpress',
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'xenforo' => 'IPS\convert\Software\Cms\Xenforo',
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'xenfororm' => 'IPS\convert\Software\Cms\Xenfororm',
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),
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'downloads' => array(
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'invisioncommunity' => 'IPS\convert\Software\Downloads\Invisioncommunity',
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'xenforo' => 'IPS\convert\Software\Downloads\Xenforo',
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),
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'forums' => array(
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'bbpress' => 'IPS\convert\Software\Forums\Bbpress',
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'expressionengine' => 'IPS\convert\Software\Forums\Expressionengine',
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'invisioncommunity' => 'IPS\convert\Software\Forums\Invisioncommunity',
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'mybb' => 'IPS\convert\Software\Forums\Mybb',
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'phpbb' => 'IPS\convert\Software\Forums\Phpbb',
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'phpmyforum' => 'IPS\convert\Software\Forums\Phpmyforum',
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'punbb' => 'IPS\convert\Software\Forums\Punbb',
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'smf' => 'IPS\convert\Software\Forums\Smf',
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'ubbthreads' => 'IPS\convert\Software\Forums\UBBthreads',
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'vanilla' => 'IPS\convert\Software\Forums\Vanilla',
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'vbulletin' => 'IPS\convert\Software\Forums\Vbulletin',
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'vbulletin5' => 'IPS\convert\Software\Forums\Vbulletin5',
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'woltlab' => 'IPS\convert\Software\Forums\Woltlab',
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'wpforo' => 'IPS\convert\Software\Forums\Wpforo',
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'xenforo' => 'IPS\convert\Software\Forums\Xenforo',
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),
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'gallery' => array(
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'coppermine' => 'IPS\convert\Software\Gallery\Coppermine',
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'invisioncommunity' => 'IPS\convert\Software\Gallery\Invisioncommunity',
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'photoplog' => 'IPS\convert\Software\Gallery\Photoplog',
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'photopost' => 'IPS\convert\Software\Gallery\Photopost',
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'vbulletin' => 'IPS\convert\Software\Gallery\Vbulletin',
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'xenforo' => 'IPS\convert\Software\Gallery\Xenforo',
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),
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'nexus' => array()
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);
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}
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/**
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* Software Name
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*
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* @return string
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* @throws BadMethodCallException
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*/
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public static function softwareName()
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{
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/* Child classes must override this method */
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throw new BadMethodCallException( 'no_name' );
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}
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/**
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* Software Key
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*
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* @return string
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* @throws BadMethodCallException
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*/
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public static function softwareKey()
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{
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/* Child classes must override this method */
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throw new BadMethodCallException( 'no_key' );
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}
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/**
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* Requires Parent
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*
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* @return boolean
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*/
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public static function requiresParent()
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{
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return FALSE;
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}
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/**
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* Possible Parent Conversions
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*
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* @return NULL|array
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*/
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public static function parents()
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{
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return NULL;
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}
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/**
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* Uses Prefix
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*
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* @return bool
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*/
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public static function usesPrefix()
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{
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return TRUE;
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}
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/**
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* Content we can convert from this software.
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*
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* @return array|NULL
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* @throws BadMethodCallException
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*/
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public static function canConvert()
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{
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/* Child classes must override this method */
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throw new BadMethodCallException( 'nothing_to_convert' );
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}
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/**
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* Can we translate settings over to our Invision Community equivalents?
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*
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* @return boolean
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*/
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public static function canConvertSettings()
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{
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return FALSE;
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}
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/**
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* Settings Map
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*
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* @code
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return array(
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'source_setting_key' => array( 'ips_setting_key' );
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* @endcode
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* @return array
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*/
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public function settingsMap()
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{
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return array();
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}
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/**
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* Settings Map List
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*
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* @code
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return array(
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'source_setting_key' => array(
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'title' => 'Human Readable Name as presented in the source',
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'value' => 'The value from the source',
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);
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* @endcode
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* @return array
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*/
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public function settingsMapList()
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{
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return array();
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}
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/**
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* List of Conversion Methods that require more information
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*
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* @return array
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*/
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public static function checkConf()
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{
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return array();
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}
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/**
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* An array of steps which require more information. This method should return array like below if any steps require additional information. Otherwise, it should return NULL.
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*
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* @param string $method Conversion method
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* @return array|NULL
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*
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* @code
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return array(
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'convertAttachments' => array(
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'upload_path' => array( // The key is the name of the field, or the first parameter of the helper class constructor.
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'field_class' => 'IPS\\Helpers\\Form\\Text', // The form helper class for this field
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'field_default' => NULL, // The default value for this field.
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'field_required' => TRUE, // TRUE if this field is required.
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'field_extra' => array(), // Array of extra data that would normally go in $options for the form helper.
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'field_hint' => NULL, // A language key of hint text to display after the form (such as path to IPS Suite files). NULL for no additional text.
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),
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)
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);
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* @endcode
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*/
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public function getMoreInfo( $method )
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{
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return NULL;
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}
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/**
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* Can we convert passwords from this software.
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*
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* @return boolean
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*/
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public static function loginEnabled()
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{
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return FALSE;
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}
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/**
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* Count Source Rows for a specific step
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*
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* @param string $table The table containing the rows to count.
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* @param array|NULL $where WHERE clause to only count specific rows, or NULL to count all.
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* @param bool $recache Skip cache and pull directly (updating cache)
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* @return integer
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* @throws Exception
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*/
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public function countRows( $table, $where=NULL, $recache=FALSE )
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{
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try
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{
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$cacheKey = 'convert_' . $this->app->app_id . '_' . md5( $table . json_encode( $where ) );
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if( !isset( Store::i()->$cacheKey ) OR $recache === TRUE )
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{
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Store::i()->$cacheKey = $this->db->select( 'COUNT(*)', $table, $where )->first();
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}
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return Store::i()->$cacheKey;
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}
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catch( Exception $e )
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{
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throw new Exception( sprintf( Member::loggedIn()->language()->get( 'could_not_count_rows' ), $table ) );
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}
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}
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/**
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* Get Library Class
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*
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* @param string|NULL $library Specific library to fetch
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* @return Library
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* @throws InvalidArgumentException
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*/
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public function getLibrary( $library=NULL )
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{
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$library = $library ?: $this->app->sw;
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$classname = Library::libraries()[ $library ];
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if ( ! class_exists( $classname ) )
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{
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throw new InvalidArgumentException( 'invalid_library' );
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}
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return new $classname( $this );
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}
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/**
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* Allows software to add additional menu row options
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*
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* @return array
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*/
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public function extraMenuRows()
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{
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return array();
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}
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/**
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* Returns a block of text, or a language string, that explains what the admin must do to start this conversion
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*
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* @return string|NULL
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*/
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public static function getPreConversionInformation()
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{
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return NULL;
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}
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/**
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* Fetch Remote Data
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*
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* @param string $table The table to selected data from
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* @param string $idColumn The ID column to sort on, when not using keys.
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* @param string|array|NULL $where WHERE clause for specific data to fetch.
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* @param string $what What to fetch
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* @return Select An \IPS\Db\Select object that can be further manipulated if necessary (e.g. joins)
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*/
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public function fetch( $table, $idColumn='id', $where=NULL, $what='*' )
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{
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$libraryClass = $this->getLibrary();
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if ( $libraryClass::$usingKeys === FALSE )
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{
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return $this->db->select( $what, $table, $where, $idColumn . ' ASC', array( $libraryClass::$startValue, $libraryClass::$perCycle ) );
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}
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else
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{
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if ( !isset( $_SESSION['currentKeyValue'] ) )
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{
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$libraryClass->setLastKeyValue( 0 );
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}
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$whereClause = array();
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$whereClause[] = array( $libraryClass::$currentKeyName . '>?', $_SESSION['currentKeyValue'] );
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if ( !is_null( $where ) )
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{
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if ( is_string( $where ) )
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{
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$whereClause[] = array( $where );
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}
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else
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{
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$whereClause[] = $where;
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}
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}
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return $this->db->select( $what, $table, $whereClause, $libraryClass::$currentKeyName . ' ASC', array( 0, $libraryClass::$perCycle ) );
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}
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}
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/**
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* Finish - Adds everything it needs to the queues and clears data store
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*
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* @return array Messages to display
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*/
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public function finish()
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{
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return array();
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}
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/**
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* Pre-process content for the Invision Community text parser
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*
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* @param string The post
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* @param string|null Content Classname passed by post-conversion rebuild
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* @param int|null Content ID passed by post-conversion rebuild
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* @return string The converted post
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*/
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public static function fixPostData( string $post, ?string $className=null, ?int $contentId=null ): string
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{
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return $post;
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}
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/**
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* Get database charsets
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*
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* @param Db $database Database connection
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* @return array
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*/
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public static function getDatabaseCharsets( $database )
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{
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$charsets = array();
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$result = $database->query( "SHOW CHARACTER SET;" );
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while( $row = $result->fetch_assoc() )
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{
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$charsets[] = mb_strtolower( $row['Charset'] );
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}
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return $charsets;
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}
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/**
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* Check if we can redirect the legacy URLs from this software to the new locations
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*
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* @return NULL|Url
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*/
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public function checkRedirects()
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|
{
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|
return NULL;
|
|
}
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} |