mirror of
https://github.com/phpbb/phpbb.git
synced 2025-06-11 05:48:51 +00:00
90a957ad26
PHPBB3-11015 This allows us to just create the object without having to include the driver first. However, it also means that users must specify the full class name in config.php
559 lines
14 KiB
PHP
559 lines
14 KiB
PHP
<?php
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/**
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*
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* @package install
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* @copyright (c) 2006 phpBB Group
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* @license http://opensource.org/licenses/gpl-2.0.php GNU General Public License v2
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*
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*/
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/**
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* @ignore
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*/
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if (!defined('IN_PHPBB'))
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{
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exit;
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}
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/**
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* Determine if we are able to load a specified PHP module and do so if possible
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*/
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function can_load_dll($dll)
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{
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// SQLite2 is a tricky thing, from 5.0.0 it requires PDO; if PDO is not loaded we must state that SQLite is unavailable
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// as the installer doesn't understand that the extension has a prerequisite.
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//
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// On top of this sometimes the SQLite extension is compiled for a different version of PDO
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// by some Linux distributions which causes phpBB to bomb out with a blank page.
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//
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// Net result we'll disable automatic inclusion of SQLite support
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//
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// See: r9618 and #56105
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if ($dll == 'sqlite')
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{
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return false;
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}
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return ((@ini_get('enable_dl') || strtolower(@ini_get('enable_dl')) == 'on') && (!@ini_get('safe_mode') || strtolower(@ini_get('safe_mode')) == 'off') && function_exists('dl') && @dl($dll . '.' . PHP_SHLIB_SUFFIX)) ? true : false;
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}
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/**
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* Returns an array of available DBMS with some data, if a DBMS is specified it will only
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* return data for that DBMS and will load its extension if necessary.
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*/
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function get_available_dbms($dbms = false, $return_unavailable = false, $only_20x_options = false)
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{
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global $lang;
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$available_dbms = array(
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'firebird' => array(
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'LABEL' => 'FireBird',
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'SCHEMA' => 'firebird',
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'MODULE' => 'interbase',
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'DELIM' => ';;',
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'DRIVER' => 'phpbb_db_driver_firebird',
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'AVAILABLE' => true,
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'2.0.x' => false,
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),
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'mysqli' => array(
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'LABEL' => 'MySQL with MySQLi Extension',
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'SCHEMA' => 'mysql_41',
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'MODULE' => 'mysqli',
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'DELIM' => ';',
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'DRIVER' => 'phpbb_db_driver_mysqli',
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'AVAILABLE' => true,
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'2.0.x' => true,
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),
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'mysql' => array(
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'LABEL' => 'MySQL',
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'SCHEMA' => 'mysql',
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'MODULE' => 'mysql',
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'DELIM' => ';',
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'DRIVER' => 'phpbb_db_driver_mysql',
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'AVAILABLE' => true,
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'2.0.x' => true,
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),
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'mssql' => array(
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'LABEL' => 'MS SQL Server 2000+',
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'SCHEMA' => 'mssql',
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'MODULE' => 'mssql',
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'DELIM' => 'GO',
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'DRIVER' => 'phpbb_db_driver_mssql',
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'AVAILABLE' => true,
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'2.0.x' => true,
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),
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'mssql_odbc'=> array(
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'LABEL' => 'MS SQL Server [ ODBC ]',
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'SCHEMA' => 'mssql',
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'MODULE' => 'odbc',
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'DELIM' => 'GO',
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'DRIVER' => 'phpbb_db_driver_mssql_odbc',
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'AVAILABLE' => true,
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'2.0.x' => true,
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),
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'mssqlnative' => array(
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'LABEL' => 'MS SQL Server 2005+ [ Native ]',
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'SCHEMA' => 'mssql',
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'MODULE' => 'sqlsrv',
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'DELIM' => 'GO',
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'DRIVER' => 'phpbb_db_driver_mssqlnative',
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'AVAILABLE' => true,
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'2.0.x' => false,
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),
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'oracle' => array(
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'LABEL' => 'Oracle',
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'SCHEMA' => 'oracle',
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'MODULE' => 'oci8',
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'DELIM' => '/',
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'DRIVER' => 'phpbb_db_driver_oracle',
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'AVAILABLE' => true,
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'2.0.x' => false,
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),
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'postgres' => array(
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'LABEL' => 'PostgreSQL 7.x/8.x',
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'SCHEMA' => 'postgres',
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'MODULE' => 'pgsql',
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'DELIM' => ';',
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'DRIVER' => 'phpbb_db_driver_postgres',
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'AVAILABLE' => true,
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'2.0.x' => true,
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),
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'sqlite' => array(
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'LABEL' => 'SQLite',
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'SCHEMA' => 'sqlite',
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'MODULE' => 'sqlite',
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'DELIM' => ';',
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'DRIVER' => 'phpbb_db_driver_sqlite',
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'AVAILABLE' => true,
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'2.0.x' => false,
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),
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);
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if ($dbms)
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{
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if (isset($available_dbms[$dbms]))
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{
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$available_dbms = array($dbms => $available_dbms[$dbms]);
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}
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else
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{
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return array();
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}
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}
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// now perform some checks whether they are really available
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foreach ($available_dbms as $db_name => $db_ary)
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{
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if ($only_20x_options && !$db_ary['2.0.x'])
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{
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if ($return_unavailable)
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{
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$available_dbms[$db_name]['AVAILABLE'] = false;
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}
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else
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{
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unset($available_dbms[$db_name]);
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}
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continue;
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}
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$dll = $db_ary['MODULE'];
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if (!@extension_loaded($dll))
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{
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if (!can_load_dll($dll))
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{
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if ($return_unavailable)
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{
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$available_dbms[$db_name]['AVAILABLE'] = false;
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}
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else
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{
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unset($available_dbms[$db_name]);
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}
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continue;
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}
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}
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$any_db_support = true;
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}
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if ($return_unavailable)
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{
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$available_dbms['ANY_DB_SUPPORT'] = $any_db_support;
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}
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return $available_dbms;
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}
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/**
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* Generate the drop down of available database options
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*/
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function dbms_select($default = '', $only_20x_options = false)
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{
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global $lang;
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$available_dbms = get_available_dbms(false, false, $only_20x_options);
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$dbms_options = '';
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foreach ($available_dbms as $dbms_name => $details)
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{
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$selected = ($dbms_name == $default) ? ' selected="selected"' : '';
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$dbms_options .= '<option value="' . $dbms_name . '"' . $selected .'>' . $lang['DLL_' . strtoupper($dbms_name)] . '</option>';
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}
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return $dbms_options;
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}
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/**
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* Get tables of a database
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*
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* @deprecated
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*/
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function get_tables(&$db)
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{
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if (!class_exists('phpbb_db_tools'))
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{
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global $phpbb_root_path, $phpEx;
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require($phpbb_root_path . 'includes/db/db_tools.' . $phpEx);
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}
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$db_tools = new phpbb_db_tools($db);
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return $db_tools->sql_list_tables();
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}
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/**
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* Used to test whether we are able to connect to the database the user has specified
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* and identify any problems (eg there are already tables with the names we want to use
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* @param array $dbms should be of the format of an element of the array returned by {@link get_available_dbms get_available_dbms()}
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* necessary extensions should be loaded already
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*/
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function connect_check_db($error_connect, &$error, $dbms_details, $table_prefix, $dbhost, $dbuser, $dbpasswd, $dbname, $dbport, $prefix_may_exist = false, $load_dbal = true, $unicode_check = true)
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{
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global $phpbb_root_path, $phpEx, $config, $lang;
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$dbms = $dbms_details['DRIVER'];
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// Instantiate it and set return on error true
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$db = new $dbms();
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$db->sql_return_on_error(true);
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// Check that we actually have a database name before going any further.....
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if ($dbms_details['DRIVER'] != 'phpbb_db_driver_sqlite' && $dbms_details['DRIVER'] != 'phpbb_db_driver_oracle' && $dbname === '')
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{
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$error[] = $lang['INST_ERR_DB_NO_NAME'];
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return false;
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}
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// Make sure we don't have a daft user who thinks having the SQLite database in the forum directory is a good idea
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if ($dbms_details['DRIVER'] == 'phpbb_db_driver_sqlite' && stripos(phpbb_realpath($dbhost), phpbb_realpath('../')) === 0)
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{
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$error[] = $lang['INST_ERR_DB_FORUM_PATH'];
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return false;
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}
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// Check the prefix length to ensure that index names are not too long and does not contain invalid characters
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switch ($dbms_details['DRIVER'])
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{
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case 'phpbb_db_driver_mysql':
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case 'phpbb_db_driver_mysqli':
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if (strspn($table_prefix, '-./\\') !== 0)
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{
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$error[] = $lang['INST_ERR_PREFIX_INVALID'];
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return false;
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}
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// no break;
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case 'phpbb_db_driver_postgres':
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$prefix_length = 36;
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break;
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case 'phpbb_db_driver_mssql':
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case 'phpbb_db_driver_mssql_odbc':
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case 'phpbb_db_driver_mssqlnative':
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$prefix_length = 90;
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break;
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case 'phpbb_db_driver_sqlite':
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$prefix_length = 200;
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break;
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case 'phpbb_db_driver_firebird':
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case 'phpbb_db_driver_oracle':
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$prefix_length = 6;
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break;
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}
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if (strlen($table_prefix) > $prefix_length)
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{
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$error[] = sprintf($lang['INST_ERR_PREFIX_TOO_LONG'], $prefix_length);
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return false;
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}
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// Try and connect ...
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if (is_array($db->sql_connect($dbhost, $dbuser, $dbpasswd, $dbname, $dbport, false, true)))
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{
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$db_error = $db->sql_error();
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$error[] = $lang['INST_ERR_DB_CONNECT'] . '<br />' . (($db_error['message']) ? $db_error['message'] : $lang['INST_ERR_DB_NO_ERROR']);
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}
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else
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{
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// Likely matches for an existing phpBB installation
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if (!$prefix_may_exist)
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{
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$temp_prefix = strtolower($table_prefix);
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$table_ary = array($temp_prefix . 'attachments', $temp_prefix . 'config', $temp_prefix . 'sessions', $temp_prefix . 'topics', $temp_prefix . 'users');
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$tables = get_tables($db);
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$tables = array_map('strtolower', $tables);
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$table_intersect = array_intersect($tables, $table_ary);
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if (sizeof($table_intersect))
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{
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$error[] = $lang['INST_ERR_PREFIX'];
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}
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}
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// Make sure that the user has selected a sensible DBAL for the DBMS actually installed
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switch ($dbms_details['DRIVER'])
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{
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case 'phpbb_db_driver_mysqli':
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if (version_compare(mysqli_get_server_info($db->db_connect_id), '4.1.3', '<'))
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{
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$error[] = $lang['INST_ERR_DB_NO_MYSQLI'];
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}
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break;
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case 'phpbb_db_driver_sqlite':
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if (version_compare(sqlite_libversion(), '2.8.2', '<'))
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{
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$error[] = $lang['INST_ERR_DB_NO_SQLITE'];
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}
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break;
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case 'phpbb_db_driver_firebird':
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// check the version of FB, use some hackery if we can't get access to the server info
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if ($db->service_handle !== false && function_exists('ibase_server_info'))
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{
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$val = @ibase_server_info($db->service_handle, IBASE_SVC_SERVER_VERSION);
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preg_match('#V([\d.]+)#', $val, $match);
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if ($match[1] < 2)
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{
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$error[] = $lang['INST_ERR_DB_NO_FIREBIRD'];
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}
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$db_info = @ibase_db_info($db->service_handle, $dbname, IBASE_STS_HDR_PAGES);
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preg_match('/^\\s*Page size\\s*(\\d+)/m', $db_info, $regs);
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$page_size = intval($regs[1]);
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if ($page_size < 8192)
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{
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$error[] = $lang['INST_ERR_DB_NO_FIREBIRD_PS'];
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}
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}
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else
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{
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$sql = "SELECT *
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FROM RDB$FUNCTIONS
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WHERE RDB$SYSTEM_FLAG IS NULL
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AND RDB$FUNCTION_NAME = 'CHAR_LENGTH'";
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$result = $db->sql_query($sql);
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$row = $db->sql_fetchrow($result);
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$db->sql_freeresult($result);
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// if its a UDF, its too old
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if ($row)
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{
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$error[] = $lang['INST_ERR_DB_NO_FIREBIRD'];
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}
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else
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{
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$sql = 'SELECT 1 FROM RDB$DATABASE
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WHERE BIN_AND(10, 1) = 0';
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$result = $db->sql_query($sql);
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if (!$result) // This can only fail if BIN_AND is not defined
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{
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$error[] = $lang['INST_ERR_DB_NO_FIREBIRD'];
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}
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$db->sql_freeresult($result);
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}
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// Setup the stuff for our random table
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$char_array = array_merge(range('A', 'Z'), range('0', '9'));
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$char_len = mt_rand(7, 9);
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$char_array_len = sizeof($char_array) - 1;
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$final = '';
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for ($i = 0; $i < $char_len; $i++)
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{
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$final .= $char_array[mt_rand(0, $char_array_len)];
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}
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// Create some random table
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$sql = 'CREATE TABLE ' . $final . " (
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FIELD1 VARCHAR(255) CHARACTER SET UTF8 DEFAULT '' NOT NULL COLLATE UNICODE,
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FIELD2 INTEGER DEFAULT 0 NOT NULL);";
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$db->sql_query($sql);
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// Create an index that should fail if the page size is less than 8192
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$sql = 'CREATE INDEX ' . $final . ' ON ' . $final . '(FIELD1, FIELD2);';
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$db->sql_query($sql);
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if (ibase_errmsg() !== false)
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{
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$error[] = $lang['INST_ERR_DB_NO_FIREBIRD_PS'];
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}
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else
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{
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// Kill the old table
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$db->sql_query('DROP TABLE ' . $final . ';');
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}
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unset($final);
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}
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break;
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case 'phpbb_db_driver_oracle':
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if ($unicode_check)
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{
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$sql = "SELECT *
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FROM NLS_DATABASE_PARAMETERS
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WHERE PARAMETER = 'NLS_RDBMS_VERSION'
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OR PARAMETER = 'NLS_CHARACTERSET'";
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$result = $db->sql_query($sql);
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while ($row = $db->sql_fetchrow($result))
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{
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$stats[$row['parameter']] = $row['value'];
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}
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$db->sql_freeresult($result);
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if (version_compare($stats['NLS_RDBMS_VERSION'], '9.2', '<') && $stats['NLS_CHARACTERSET'] !== 'UTF8')
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{
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$error[] = $lang['INST_ERR_DB_NO_ORACLE'];
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}
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}
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break;
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case 'phpbb_db_driver_postgres':
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if ($unicode_check)
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{
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$sql = "SHOW server_encoding;";
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$result = $db->sql_query($sql);
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$row = $db->sql_fetchrow($result);
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$db->sql_freeresult($result);
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if ($row['server_encoding'] !== 'UNICODE' && $row['server_encoding'] !== 'UTF8')
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{
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$error[] = $lang['INST_ERR_DB_NO_POSTGRES'];
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}
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}
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break;
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}
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}
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if ($error_connect && (!isset($error) || !sizeof($error)))
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{
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return true;
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}
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return false;
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}
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/**
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* Removes "/* style" as well as "# style" comments from $input.
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*
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* @param string $input Input string
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*
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* @return string Input string with comments removed
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*/
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function phpbb_remove_comments($input)
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{
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// Remove /* */ comments (http://ostermiller.org/findcomment.html)
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$input = preg_replace('#/\*(.|[\r\n])*?\*/#', "\n", $input);
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// Remove # style comments
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$input = preg_replace('/\n{2,}/', "\n", preg_replace('/^#.*$/m', "\n", $input));
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return $input;
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}
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/**
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* split_sql_file will split an uploaded sql file into single sql statements.
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* Note: expects trim() to have already been run on $sql.
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*/
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function split_sql_file($sql, $delimiter)
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{
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$sql = str_replace("\r" , '', $sql);
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$data = preg_split('/' . preg_quote($delimiter, '/') . '$/m', $sql);
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$data = array_map('trim', $data);
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// The empty case
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$end_data = end($data);
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if (empty($end_data))
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{
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unset($data[key($data)]);
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}
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return $data;
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}
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/**
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* For replacing {L_*} strings with preg_replace_callback
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*/
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function adjust_language_keys_callback($matches)
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{
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if (!empty($matches[1]))
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{
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global $lang, $db;
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return (!empty($lang[$matches[1]])) ? $db->sql_escape($lang[$matches[1]]) : $db->sql_escape($matches[1]);
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}
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}
|
|
|
|
/**
|
|
* Creates the output to be stored in a phpBB config.php file
|
|
*
|
|
* @param array $data Array containing the database connection information
|
|
* @param string $dbms The name of the DBAL class to use
|
|
* @param array $load_extensions Array of additional extensions that should be loaded
|
|
* @param bool $debug If the debug constants should be enabled by default or not
|
|
*
|
|
* @return string The output to write to the file
|
|
*/
|
|
function phpbb_create_config_file_data($data, $dbms, $load_extensions, $debug = false)
|
|
{
|
|
$load_extensions = implode(',', $load_extensions);
|
|
|
|
$config_data = "<?php\n";
|
|
$config_data .= "// phpBB 3.1.x auto-generated configuration file\n// Do not change anything in this file!\n";
|
|
|
|
$config_data_array = array(
|
|
'dbms' => $dbms,
|
|
'dbhost' => $data['dbhost'],
|
|
'dbport' => $data['dbport'],
|
|
'dbname' => $data['dbname'],
|
|
'dbuser' => $data['dbuser'],
|
|
'dbpasswd' => htmlspecialchars_decode($data['dbpasswd']),
|
|
'table_prefix' => $data['table_prefix'],
|
|
'acm_type' => 'file',
|
|
'load_extensions' => $load_extensions,
|
|
);
|
|
|
|
foreach ($config_data_array as $key => $value)
|
|
{
|
|
$config_data .= "\${$key} = '" . str_replace("'", "\\'", str_replace('\\', '\\\\', $value)) . "';\n";
|
|
}
|
|
|
|
$config_data .= "\n@define('PHPBB_INSTALLED', true);\n";
|
|
|
|
if ($debug)
|
|
{
|
|
$config_data .= "@define('DEBUG', true);\n";
|
|
$config_data .= "@define('DEBUG_EXTRA', true);\n";
|
|
}
|
|
else
|
|
{
|
|
$config_data .= "// @define('DEBUG', true);\n";
|
|
$config_data .= "// @define('DEBUG_EXTRA', true);\n";
|
|
}
|
|
|
|
return $config_data;
|
|
}
|