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php-phpbb/phpBB/install/index.php
Graham Eames 41d2a2052c Change the handling of language detection to avoid errors if the language header is either not sent by the browser or there is no matching language available. 
Also added support for forcing a language via the URL for now, this may or may not remain


git-svn-id: file:///svn/phpbb/trunk@5676 89ea8834-ac86-4346-8a33-228a782c2dd0
2006-03-20 21:03:51 +00:00

538 lines
14 KiB
PHP
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<?php
/**
*
* @package install
* @version $Id$
* @copyright (c) 2005 phpBB Group
* @license http://opensource.org/licenses/gpl-license.php GNU Public License
*
*/
/**
*/
define('IN_PHPBB', true);
// Error reporting level and runtime escaping
//error_reporting(E_ERROR | E_WARNING | E_PARSE);
error_reporting(E_ALL);
set_magic_quotes_runtime(0);
@set_time_limit(120);
// Include essential scripts
$phpbb_root_path = './../';
$phpEx = substr(strrchr(__FILE__, '.'), 1);
require($phpbb_root_path . 'includes/functions.'.$phpEx);
include($phpbb_root_path . 'includes/session.'.$phpEx);
include($phpbb_root_path . 'includes/template.'.$phpEx);
include($phpbb_root_path . 'includes/acm/acm_file.'.$phpEx);
include($phpbb_root_path . 'includes/acm/acm_main.'.$phpEx);
include($phpbb_root_path . 'includes/functions_admin.'.$phpEx);
// Protect against GLOBALS tricks
if (isset($_REQUEST['GLOBALS']) || isset($_FILES['GLOBALS']))
{
exit;
}
// Protect against _SESSION tricks
if (isset($_SESSION) && !is_array($_SESSION))
{
exit;
}
// Be paranoid with passed vars
if (@ini_get('register_globals') == '1' || strtolower(@ini_get('register_globals')) == 'on')
{
$not_unset = array('_GET', '_POST', '_COOKIE', '_REQUEST', '_SERVER', '_SESSION', '_ENV', '_FILES', 'phpEx', 'phpbb_root_path');
// Not only will array_merge give a warning if a parameter
// is not an array, it will actually fail. So we check if
// _SESSION has been initialised.
if (!isset($_SESSION) || !is_array($_SESSION))
{
$_SESSION = array();
}
// Merge all into one extremely huge array; unset
// this later
$input = array_merge($_GET, $_POST, $_COOKIE, $_SERVER, $_SESSION, $_ENV, $_FILES);
foreach ($input as $varname => $void)
{
if (!in_array($varname, $not_unset))
{
unset(${$varname});
}
}
unset($input);
}
define('STRIP', (get_magic_quotes_gpc()) ? true : false);
// Try and load an appropriate language if required
$language = request_var('language', '');
if (!empty($_SERVER['HTTP_ACCEPT_LANGUAGE']) && $language == '')
{
$accept_lang_ary = explode(',', $_SERVER['HTTP_ACCEPT_LANGUAGE']);
foreach ($accept_lang_ary as $accept_lang)
{
// Set correct format ... guess full xx_YY form
$accept_lang = substr($accept_lang, 0, 2) . '_' . strtoupper(substr($accept_lang, 3, 2));
if (file_exists($phpbb_root_path . 'language/' . $accept_lang))
{
$language = $accept_lang;
break;
}
else
{
// No match on xx_YY so try xx
$accept_lang = substr($accept_lang, 0, 2);
if (file_exists($phpbb_root_path . 'language/' . $accept_lang))
{
$language = $accept_lang;
break;
}
}
}
}
// No appropriate language found ... so let's use the first one in the language
// dir, this may or may not be English
if ($language == '')
{
$dir = @opendir($phpbb_root_path . 'language');
while ($file = readdir($dir))
{
$path = $phpbb_root_path . 'language/' . $file;
if (!is_file($path) && !is_link($path) && file_exists($path . '/iso.txt'))
{
$language = $file;
break;
}
}
}
// And finally, load the relevant language files
include($phpbb_root_path . 'language/' . $language . '/common.'.$phpEx);
include($phpbb_root_path . 'language/' . $language . '/acp/common.'.$phpEx);
include($phpbb_root_path . 'language/' . $language . '/install.'.$phpEx);
include($phpbb_root_path . 'language/' . $language . '/posting.'.$phpEx);
$mode = request_var('mode', 'overview');
$sub = request_var('sub', '');
$template = new Template();
$template->set_custom_template('../adm/style', 'admin');
$template->assign_var('T_TEMPLATE_PATH', '../adm/style');
$install = new module();
$install->create('install', "index.$phpEx", $mode, $sub);
$install->load();
// Generate the page
$install->page_header();
$install->generate_navigation();
$template->set_filenames(array(
'body' => $install->get_tpl_name())
);
$install->page_footer();
/**
*/
class module
{
var $id = 0;
var $type = 'install';
var $module_ary = array();
var $filename;
var $module_url = '';
var $tpl_name = '';
var $mode;
var $sub;
// Private methods, should not be overwritten
function create($module_type, $module_url, $selected_mod = false, $selected_submod = false)
{
global $db, $config, $phpEx;
$module = array();
// Grab module information using Bart's "neat-o-module" system (tm)
$dir = @opendir('.');
$setmodules = 1;
while ($file = readdir($dir))
{
if (preg_match('#^install_(.*?)\.' . $phpEx . '$#', $file))
{
include($file);
}
}
@closedir($dir);
unset($setmodules);
if (!sizeof($module))
{
$this->error('No installation modules found', __LINE__, __FILE__);
}
foreach ($module as $row)
{
// Check any module pre-reqs
if ($row['module_reqs'] != '')
{
}
$this->module_ary[$row['module_order']]['name'] = $row['module_title'];
$this->module_ary[$row['module_order']]['filename'] = $row['module_filename'];
$this->module_ary[$row['module_order']]['subs'] = $row['module_subs'];
$this->module_ary[$row['module_order']]['stages'] = $row['module_stages'];
if (strtolower($selected_mod) == strtolower($row['module_title']))
{
$this->id = (int) $row['module_order'];
$this->filename = (string) $row['module_filename'];
$this->module_url = (string) $module_url;
$this->mode = (string) $selected_mod;
// Check that the sub-mode specified is valid or set a default if not
if (is_array($row['module_subs']))
{
$this->sub = strtolower((in_array(strtoupper($selected_submod), $row['module_subs'])) ? $selected_submod : $row['module_subs'][0]);
}
else if (is_array($row['module_stages']))
{
$this->sub = strtolower((in_array(strtoupper($selected_submod), $row['module_stages'])) ? $selected_submod : $row['module_stages'][0]);
}
else
{
$this->sub = '';
}
}
} // END foreach
} // END create
// Load and run the relevant module if applicable
function load($mode = false, $run = true)
{
global $phpbb_root_path, $phpEx;
if ($run)
{
if (!empty($mode))
{
$this->mode = $mode;
}
eval("\$this->module = new $this->filename(\$this);");
if (method_exists($this->module, 'main'))
{
$this->module->main($this->mode, $this->sub);
}
}
} // END load
/**
* Output the standard page header
*/
function page_header()
{
if (defined('HEADER_INC'))
{
return;
}
define('HEADER_INC', true);
global $template, $lang, $stage;
$template->assign_vars(array(
'L_INSTALL_PANEL' => $lang['INSTALL_PANEL'],
'PAGE_TITLE' => $this->get_page_title(),
'META' => $this->get_meta(),
'S_CONTENT_DIRECTION' => $lang['DIRECTION'],
'S_CONTENT_ENCODING' => $lang['ENCODING'],
'S_CONTENT_DIR_LEFT' => $lang['LEFT'],
'S_CONTENT_DIR_RIGHT' => $lang['RIGHT'],
)
);
if (!empty($lang['ENCODING']))
{
header('Content-type: text/html; charset: ' . $lang['ENCODING']);
}
header('Cache-Control: private, no-cache="set-cookie", pre-check=0, post-check=0');
header('Expires: 0');
header('Pragma: no-cache');
return;
}
/**
* Output the standard page footer
*/
function page_footer()
{
global $template;
$template->display('body');
// Close our DB connection.
if (isset($db))
{
$db->sql_close();
}
exit;
}
/**
* Returns desired template name
*/
function get_tpl_name()
{
return $this->module->tpl_name . '.html';
}
/**
* Returns the desired page title
*/
function get_page_title()
{
global $lang;
if (!isset($this->module->page_title))
{
return '';
}
return (isset($lang[$this->module->page_title])) ? $lang[$this->module->page_title] : $this->module->page_title;
}
/**
* Returns the desired meta tags for the page
*/
function get_meta()
{
return (isset($this->module->meta)) ? $this->module->meta : '';
}
/**
* Generate the navigation tabs
*/
function generate_navigation()
{
global $lang, $template, $phpEx;
if (is_array($this->module_ary))
{
@ksort($this->module_ary);
foreach ($this->module_ary as $cat_ary)
{
$cat = $cat_ary['name'];
$l_cat = (!empty($lang['CAT_' . $cat])) ? $lang['CAT_' . $cat] : preg_replace('#_#', ' ', $cat);
$cat = strtolower($cat);
$url = $this->module_url . '?mode=' . $cat;
if ($this->mode == $cat)
{
$template->assign_block_vars('t_block1', array(
'L_TITLE' => $l_cat,
'S_SELECTED' => true,
'U_TITLE' => $url,
));
if (is_array($this->module_ary[$this->id]['subs']))
{
$subs = $this->module_ary[$this->id]['subs'];
foreach ($subs as $option)
{
$l_option = (!empty($lang['SUB_' . $option])) ? $lang['SUB_' . $option] : preg_replace('#_#', ' ', $option);
$option = strtolower($option);
$url = $this->module_url . '?mode=' . $this->mode . '&amp;sub=' . $option;
$template->assign_block_vars('l_block1', array(
'L_TITLE' => $l_option,
'S_SELECTED' => ($this->sub == $option),
'U_TITLE' => $url,
));
}
}
if (is_array($this->module_ary[$this->id]['stages']))
{
$subs = $this->module_ary[$this->id]['stages'];
$matched = false;
foreach ($subs as $option)
{
$l_option = (!empty($lang['STAGE_' . $option])) ? $lang['STAGE_' . $option] : preg_replace('#_#', ' ', $option);
$option = strtolower($option);
$matched = ($this->sub == $option) ? true : $matched;
$template->assign_block_vars('l_block2', array(
'L_TITLE' => $l_option,
'S_SELECTED' => ($this->sub == $option),
'S_COMPLETE' => !$matched,
));
}
}
}
else
{
$template->assign_block_vars('t_block1', array(
'L_TITLE' => $l_cat,
'S_SELECTED' => false,
'U_TITLE' => $url,
));
}
}
}
}
/**
* Output an error message
* If skip is true, return and continue execution, else exit
* @todo: Really should change the caption based on $skip and calling code at some point
*/
function error($error, $line, $file, $skip = false)
{
global $lang, $db;
if (!$skip)
{
echo '<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">';
echo '<html xmlns="http://www.w3.org/1999/xhtml" dir="ltr">';
echo '<head>';
echo '<meta http-equiv="content-type" content="text/html; charset=utf-8" />';
echo '<title>' . $lang['INST_ERR_FATAL'] . '</title>';
echo '<link href="../adm/style/admin.css" rel="stylesheet" type="text/css" media="screen" />';
echo '</head>';
echo '<body id="errorpage">';
echo '<div id="wrap">';
echo ' <div id="page-header">';
echo ' </div>';
echo ' <div id="page-body">';
echo ' <div class="panel">';
echo ' <span class="corners-top"><span></span></span>';
echo ' <div id="content">';
echo ' <h1>' . $lang['INST_ERR_FATAL'] . '</h1>';
}
echo ' <p>' . $lang['INST_ERR_FATAL'] . "</p>\n";
echo ' <p>' . basename($file) . ' [ ' . $line . " ]</p>\n";
echo ' <p><b>' . $error . "</b></p>\n";
if ($skip)
{
return;
}
echo ' </div>';
echo ' <span class="corners-bottom"><span></span></span>';
echo ' </div>';
echo ' </div>';
echo ' <div id="page-footer">';
echo ' Powered by phpBB &copy; ' . date('Y') . ' <a href="http://www.phpbb.com/">phpBB Group</a>';
echo ' </div>';
echo '</div>';
echo '</body>';
echo '</html>';
if (isset($db))
{
$db->sql_close();
}
exit;
}
/**
* Output an error message for a database related problem
* If skip is true, return and continue execution, else exit
*/
function db_error($error, $sql, $line, $file, $skip = false)
{
global $lang, $db;
$this->page_header();
echo ' <h2 style="color:red;text-align:center">' . $lang['INST_ERR_FATAL'] . "</h2>\n";
echo ' <p>' . $lang['INST_ERR_FATAL_DB'] . "</p>\n";
echo ' <p>' . basename($file) . ' [ ' . $line . " ]</p>\n";
echo ' <p>SQL : ' . $sql . "</p>\n";
echo ' <p><b>' . $error . "</b></p>\n";
if ($skip)
{
return;
}
$db->sql_close();
$this->page_footer();
exit;
}
/**
* Generate the relevant HTML for an input field and the assosciated label and explanatory text
*/
function input_field($name, $lang_key, $type, $value='', $options='')
{
global $lang;
$tpl_type = explode(':', $type);
$tpl = '';
switch ($tpl_type[0])
{
case 'text':
case 'password':
$size = (int) $tpl_type[1];
$maxlength = (int) $tpl_type[2];
$tpl = '<input id="' . $key . '" type="' . $tpl_type[0] . '"' . (($size) ? ' size="' . $size . '"' : '') . ' maxlength="' . (($maxlength) ? $maxlength : 255) . '" name="' . $name . '" value="' . $value . '" />';
break;
case 'textarea':
$rows = (int) $tpl_type[1];
$cols = (int) $tpl_type[2];
$tpl = '<textarea id="' . $key . '" name="' . $name . '" rows="' . $rows . '" cols="' . $cols . '">' . $value . '</textarea>';
break;
case 'radio':
$key_yes = ($value) ? ' checked="checked"' : '';
$key_no = (!$value) ? ' checked="checked"' : '';
$tpl_type_cond = explode('_', $tpl_type[1]);
$type_no = ($tpl_type_cond[0] == 'disabled' || $tpl_type_cond[0] == 'enabled') ? false : true;
$tpl_no = '<input type="radio" name="' . $name . '" value="0"' . $key_no . ' class="radio" />&nbsp;' . (($type_no) ? $lang['NO'] : $lang['DISABLED']);
$tpl_yes = '<input type="radio" id="' . $key . '" name="' . $name . '" value="1"' . $key_yes . ' class="radio" />&nbsp;' . (($type_no) ? $lang['YES'] : $lang['ENABLED']);
$tpl = ($tpl_type_cond[0] == 'yes' || $tpl_type_cond[0] == 'enabled') ? $tpl_yes . '&nbsp;&nbsp;' . $tpl_no : $tpl_no . '&nbsp;&nbsp;' . $tpl_yes;
break;
case 'select':
eval('$s_options = ' . str_replace('{VALUE}', $value, $options) . ';');
$tpl = '<select name="' . $name . '">' . $s_options . '</select>';
break;
case 'custom':
eval('$tpl = ' . str_replace('{VALUE}', $value, $options) . ';');
break;
default:
break;
}
return $tpl;
}
}
?>
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