<?php
/*
* Enano - an open-source CMS capable of wiki functions, Drupal-like sidebar blocks, and everything in between
* Version 1.1.1
* Copyright (C) 2006-2007 Dan Fuhry
* Installation package
* payload.php - Installer payload (the installation logic)
*
* This program is Free Software; you can redistribute and/or modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2 of the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied
* warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for details.
*/
if ( !defined('IN_ENANO_INSTALL') )
die();
return true;
function stg_sim_good()
{
return true;
}
function stg_sim_bad()
{
return true;
}
function stg_password_decode()
{
global $db;
static $pass = false;
if ( $pass )
return $pass;
if ( !isset($_POST['crypt_data']) && !empty($_POST['password']) && $_POST['password'] === $_POST['password_confirm'] )
$pass = $_POST['password'];
$aes = AESCrypt::singleton(AES_BITS, AES_BLOCKSIZE);
// retrieve encryption key
$q = $db->sql_query('SELECT config_value FROM ' . table_prefix . 'config WHERE config_name=\'install_aes_key\';');
if ( !$q )
$db->_die();
if ( $db->numrows() < 1 )
return false;
list($aes_key) = $db->fetchrow_num();
$aes_key = $aes->hextostring($aes_key);
$pass = $aes->decrypt($_POST['crypt_data'], $aes_key, ENC_HEX);
if ( !$pass )
return false;
return $pass; // Will be true if the password isn't crapped
}
function stg_make_private_key()
{
global $db;
static $site_key = false;
if ( $site_key )
return $site_key;
// Is there already a key cached in the database?
$q = $db->sql_query('SELECT config_value FROM ' . table_prefix . 'config WHERE config_name=\'site_aes_key\';');
if ( !$q )
$db->_die();
if ( $db->numrows() > 0 )
{
list($site_key) = $db->fetchrow_num();
$db->free_result();
return $site_key;
}
$aes = AESCrypt::singleton(AES_BITS, AES_BLOCKSIZE);
// This will use /dev/urandom if possible
$site_key = $aes->gen_readymade_key();
// Stash it in the database, don't check for errors though because we can always regenerate it
$db->sql_query('INSERT INTO ' . table_prefix . 'config ( config_name, config_value ) VALUES ( \'site_aes_key\', \'' . $site_key . '\' );');
return $site_key;
}
function stg_load_schema()
{
global $db, $dbdriver, $installer_version;
static $sql_parser = false;
if ( is_object($sql_parser) )
return $sql_parser->parse();
$aes = AESCrypt::singleton(AES_BITS, AES_BLOCKSIZE);
$site_key = stg_make_private_key();
$site_key = $aes->hextostring($site_key);
$admin_pass_clean = stg_password_decode();
$admin_pass = $aes->encrypt($admin_pass_clean, $site_key, ENC_HEX);
unset($admin_pass_clean); // Security
try
{
$sql_parser = new SQL_Parser( ENANO_ROOT . "/install/schemas/{$dbdriver}_stage2.sql" );
}
catch ( Exception $e )
{
echo "<pre>$e</pre>";
return false;
}
$vars = array(
'TABLE_PREFIX' => $_POST['table_prefix'],
'SITE_NAME' => $db->escape($_POST['site_name']),
'SITE_DESC' => $db->escape($_POST['site_desc']),
'COPYRIGHT' => $db->escape($_POST['copyright']),
// FIXME: update form
'WIKI_MODE' => ( isset($_POST['wiki_mode']) ? '1' : '0' ),
'ENABLE_CACHE' => ( is_writable( ENANO_ROOT . '/cache/' ) ? '1' : '0' ),
'VERSION' => $installer_version['version'],
'ADMIN_USER' => $db->escape($_POST['username']),
'ADMIN_PASS' => $admin_pass,
'ADMIN_EMAIL' => $db->escape($_POST['email']),
'REAL_NAME' => '', // This has always been stubbed.
'ADMIN_EMBED_PHP' => strval(AUTH_DISALLOW),
'UNIX_TIME' => strval(time())
);
$sql_parser->assign_vars($vars);
return $sql_parser->parse();
}
function stg_deliver_payload()
{
global $db;
$schema = stg_load_schema();
foreach ( $schema as $sql )
{
if ( !$db->sql_query($sql) )
{
echo $db->get_error();
return false;
}
}
return true;
}
function stg_write_config()
{
global $dbhost, $dbuser, $dbpasswd, $dbname, $dbdriver;
$db_data = array(
'host' => str_replace("'", "\\'", $dbhost),
'user' => str_replace("'", "\\'", $dbuser),
'pass' => str_replace("'", "\\'", $dbpasswd),
'name' => str_replace("'", "\\'", $dbname),
'tp' => table_prefix,
'drv' => $dbdriver
);
// Retrieves the existing key
$site_key = stg_make_private_key();
// Determine contentPath
switch ( @$_POST['url_scheme'] )
{
case 'standard':
default:
$sp_append = 'index.php?title=';
break;
case 'shortened':
$sp_append = 'index.php/';
break;
case 'rewrite':
$sp_append = '/';
break;
}
$scriptpath = scriptPath;
$contentpath = $scriptpath . $sp_append;
$config_file = <<<EOF
<?php
/**
* Enano site configuration
* NOTE ON EDITING: You should almost never need to change anything in this
* file. The only exceptions are when your DB password/other info is changed
* or if you are moving your Enano installation to another directory.
*/
//
// DATABASE INFO
//
// Database type to use, currently mysql and postgresql are supported
\$dbdriver = '{$db_data['drv']}';
// Hostname of your database server, probably localhost
\$dbhost = '{$db_data['host']}';
// Username used to connect to the database
\$dbuser = '{$db_data['user']}';
// Database password
\$dbpasswd = '{$db_data['pass']}';
// Name of the database
\$dbname = '{$db_data['name']}';
//
// CONSTANTS
//
// if they're already defined, no use re-defining them
if ( !defined('ENANO_CONSTANTS') )
{
// The prefix for the tables in the database. Useful for holding more than
// one Enano installation in the same database.
define('table_prefix', '{$db_data['tp']}');
// The path to Enano's files on your server, from the document root. If
// Enano is installed in your document root this will be blank; installing
// Enano in /enano/ will result in "/enano" here, etc.
define('scriptPath', '$scriptpath');
// The authoritative prefix for pages. This should be very literal: to
// generate a URL on the site, the format is basically
// contentPath . \$page_name. This is based off of scriptPath and the URL
// scheme selected during installation. Pattern:
//
// * Standard URLs: scriptPath . '/index.php?title='
// * Shortened URLs: scriptPath . '/index.php/'
// * mod_rewrite: scriptPath . '/'
define('contentPath', '$contentpath');
// Tell the Enano API that we're installed and that this file is complete
define('ENANO_INSTALLED', 'You bet!');
define('ENANO_CONSTANTS', '');
}
// The AES encryption key used to store passwords. We have a very specific
// reason for doing this; see the rationale at:
// http://docs.enanocms.org/Help:Appendix_B
\$crypto_key = '$site_key';
EOF;
// Write config file
$ch = @fopen ( ENANO_ROOT . '/config.new.php', 'w' );
if ( !$ch )
return false;
fwrite($ch, $config_file);
fclose($ch);
// If we are using mod_rewrite, also append any existing .htaccess
if ( @$_POST['url_scheme'] === 'rewrite' )
{
$hh = @fopen ( ENANO_ROOT . '/.htaccess.new', 'w' );
if ( !$hh )
return false;
$hhc = <<<EOF
#
# START ENANO RULES
#
# Enable mod_rewrite
RewriteEngine on
# Don't rewrite if the user requested a real directory or file
RewriteCond %{REQUEST_FILENAME} !-f
RewriteCond %{REQUEST_FILENAME} !-d
# Main rule - short and sweet
RewriteRule (.*) index.php?title=\$1 [L,QSA]
EOF;
fwrite($hh, $hhc);
fclose($hh);
}
return true;
}
function stg_language_setup()
{
global $languages, $db;
global $lang_id;
$lang_info =& $languages[$lang_id];
if ( !is_array($lang_info) )
return false;
// Install the language
// ($lang_code, $lang_name_neutral, $lang_name_local, $lang_file = false)
$result = install_language($lang_id, $lang_info['name_eng'], $lang_info['name'], ENANO_ROOT . "/language/{$lang_info['dir']}/core.json");
if ( !$result )
return false;
$lang_local = new Language($lang_id);
$lang_local->import( ENANO_ROOT . "/language/{$lang_info['dir']}/user.json" );
$lang_local->import( ENANO_ROOT . "/language/{$lang_info['dir']}/tools.json" );
$lang_local->import( ENANO_ROOT . "/language/{$lang_info['dir']}/admin.json" );
return true;
}