File Source for install.php

<?php
/**
* @version $Header$
* @package install
* @subpackage functions
*/
// hide errors when trying to connect to the database. very unsettling when you
// have pages of errors to scroll through
if( !empty( $_REQUEST['submit_db_info'] ) && !empty( $_REQUEST['step'] ) && $_REQUEST['step'] == 3 ) {
ini_set( 'display_errors', '0' );
}
// here we force the use of adodb during installation
$gForceAdodb = TRUE;
// If we are jumping to start over reset the session
if( !empty( $_REQUEST['step'] ) && $_REQUEST['step'] == 0 ) {
unset( $_REQUEST['BWSESSION'] );
}
// Early check of memory limit just to be sure we can run.
// Set the number '15' to a lower value if you know that the install process can handle it.
if( get_cfg_var( 'memory_limit' ) !== FALSE && preg_replace( '/M/i','',get_cfg_var( 'memory_limit' )) < 15 ) {
$dir = dirname( $_SERVER['SCRIPT_NAME'] );
// We don't use smarty to avoid using any memory since we already know there is a problem.
echo '<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "DTD/xhtml1-strict.dtd">
<html xmlns="http://www.w3.org/1999/xhtml" xml:lang="en" lang="en">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8" />
<title>Install Bitweaver - Not enough memory!</title>
<style type="text/css">
</style>
</head>
<body>
<div id="container">
<div id="header"></div>
<div id="wrapper">
<div id="content">
<div class="bittop"><h1>Bitweaver Installer</h1></div>
<h1>Not enough memory!</h1>
<form action="'.$dir.'/install.php">
<fieldset>
<legend>Unable to run installer</legend>
<p class="alert alert-danger">The memory limit of <strong>"'.get_cfg_var( 'memory_limit' ).'"</strong> is not high enough to run the bitweaver installer. Please up the memory limit in you php.ini to at least 16M to install and run bitweaver.</p>
</fieldset>
<div class="row submit">
<input type="submit" value="Reload" size="20"/>
</div>
</form>
</div>
</div>
</div>
</body>
</html>';
die;
}
/**
* required setup
*/
require_once( 'install_inc.php' );
// this variable will be appended to the template file called - useful for displaying messages after data input
$app = '';
// work out where in the installation process we are
if( !isset( $_REQUEST['step'] )) {
$_REQUEST['step'] = 0;
}
$step = $_REQUEST['step'];
if( !empty( $_REQUEST['reload'] )) {
header( "Location: ".$_SERVER['HTTP_REFERER'] );
}
// for pages that should only be shown during a first install
if( ( empty( $gBitDbType ) || !$gBitUser->isAdmin() ) || ( $_SESSION['first_install'] ) ) {
$onlyDuringFirstInstall = TRUE;
} else {
$onlyDuringFirstInstall = FALSE;
}
// For MySql only, and if server supports InnoDB Engine
// we catch here if it was selected as storage type and
// set a session var for use in install_packages.php
if( isset( $_REQUEST['use_innodb'] ) ) {
$_SESSION['use_innodb'] = TRUE;
}
// updating $install_file name
$i = 0;
$install_file[$i]['file'] = 'welcome';
$install_file[$i++]['name'] = 'Welcome';
$install_file[$i]['file'] = 'checks';
$install_file[$i++]['name'] = 'Server';
// Upgrading of a database can only occur during a first install
if( $onlyDuringFirstInstall ) {
$install_file[$i]['file'] = 'options';
$install_file[$i++]['name'] = 'Options';
}
// make it possible to reset the config/kernel/config_inc.php file if it's already filled with data
if( $onlyDuringFirstInstall ) {
$install_file[$i]['file'] = 'database';
$install_file[$i++]['name'] = 'Database';
} else {
$install_file[$i]['file'] = 'database_reset';
$install_file[$i++]['name'] = 'Database';
}
// if the admin is already set up and we are not installing for the first time, we skip admin creation page
if( $onlyDuringFirstInstall ) {
$install_file[$i]['file'] = 'admin_inc';
$install_file[$i++]['name'] = 'Admin';
}
$install_file[$i]['file'] = 'packages';
$install_file[$i++]['name'] = 'Packages';
if( !$onlyDuringFirstInstall ) {
$install_file[$i]['file'] = 'upgrade';
$install_file[$i++]['name'] = 'Upgrade';
}
$install_file[$i]['file'] = 'cleanup';
$install_file[$i++]['name'] = 'Cleanup';
// these settings should only be present when we are installing for the first time
if( $onlyDuringFirstInstall ) {
$install_file[$i]['file'] = 'bit_settings';
$install_file[$i++]['name'] = 'Settings';
// only show db population page when we haven't just done an upgrade
if( !isset( $_SESSION['upgrade'] ) ) {
$install_file[$i]['file'] = 'datapump';
$install_file[$i++]['name'] = 'Content';
}
} else {
$install_file[$i]['file'] = 'version';
$install_file[$i++]['name'] = 'Update';
}
$install_file[$i]['file'] = 'final';
$install_file[$i]['name'] = 'Done';
//don't increment last $i since it's used later on
// Needed for version number
$gBitSmarty->assign_by_ref( 'gBitSystem', $gBitSystem );
if( !empty( $_POST['signin'] ) ) {
$gBitUser->login( $_POST['user'], $_POST['pass'] );
if( !$gBitUser->isRegistered() ) {
$gBitSmarty->assign( 'error', current( $gBitUser->mErrors ) );
}
}
// if we have to log in, call login template and die
if( !empty( $gBitDbType ) && !empty( $gBitInstaller->mPackages['users']['installed'] ) && !$gBitUser->isAdmin() && !$_SESSION['first_install'] ) {
$install_file = 'login';
$gBitSmarty->assign( 'install_file', INSTALL_PKG_PATH."templates/install_".$install_file.".tpl" );
$gBitSmarty->assign( 'progress', 0 );
$gBitSmarty->display( INSTALL_PKG_PATH.'templates/install.tpl' );
die;
}
// if the page has been renamed to anything else than 'install.php' we send it to the last installation stage
if( !strpos( $_SERVER['SCRIPT_NAME'],'install/install.php' ) ) {
$step = $i;
$gBitSmarty->assign( 'renamed',basename( $_SERVER['SCRIPT_NAME'] ) );
}
// finally we are ready to include the actual php file
include_once( 'install_'.$install_file[$step]['file'].'.php' );
$install_file = set_menu( $install_file, $step );
$gBitSmarty->assign( 'install_file', INSTALL_PKG_PATH."templates/install_".$install_file[$step]['file'].$app.".tpl" );
$gBitInstaller->in_display( $install_file[$step]['name'], INSTALL_PKG_PATH.'templates/install.tpl' );
?>

Source for file install.php