<?php
/*
* Enano - an open-source CMS capable of wiki functions, Drupal-like sidebar blocks, and everything in between
* Version 1.0 (Banshee)
* upgrade.php - upgrade script
* Copyright (C) 2006-2007 Dan Fuhry
*
* 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.
*/
define('IN_ENANO_INSTALL', 'true');
if(!defined('scriptPath')) {
$sp = dirname($_SERVER['REQUEST_URI']);
if($sp == '/' || $sp == '\\') $sp = '';
define('scriptPath', $sp);
}
if(!defined('contentPath')) {
$sp = dirname($_SERVER['REQUEST_URI']);
if($sp == '/' || $sp == '\\') $sp = '';
define('contentPath', $sp);
}
global $_starttime, $this_page, $sideinfo;
$_starttime = microtime(true);
// Determine directory (special case for development servers)
if ( strpos(__FILE__, '/repo/') && file_exists('.enanodev') )
{
$filename = str_replace('/repo/', '/', __FILE__);
}
else
{
$filename = __FILE__;
}
define('ENANO_ROOT', dirname($filename));
require(ENANO_ROOT.'/includes/constants.php');
if(defined('ENANO_DEBUG'))
{
require_once(ENANO_ROOT.'/includes/debugger/debugConsole.php');
}
else
{
function dc_here($m) { return false; }
function dc_dump($a, $g) { return false; }
function dc_watch($n) { return false; }
function dc_start_timer($u) { return false; }
function dc_stop_timer($m) { return false; }
}
// SCRIPT CONFIGURATION
// Everything related to versions goes here!
// Valid versions to upgrade from
$valid_versions = Array('1.0b1', '1.0b2', '1.0b3', '1.0b4', '1.0RC1', '1.0RC2', '1.0RC3');
// Basically a list of dependencies, which should be resolved automatically
// If, for example, upgrading from 1.0b1 to 1.0RC1 requires one extra query that would not
// normally be required (for whatever reason) then you would add a custom version number to the array under key '1.0b1'.
$deps_list = Array(
'1.0b1' => Array('1.0b2'),
'1.0b2' => Array('1.0b3'),
'1.0b3' => Array('1.0b4'),
'1.0b4' => Array('1.0RC1'),
'1.0RC1' => Array('1.0RC2'),
'1.0RC2' => Array('1.0RC3')
);
$this_version = '1.0';
$func_list = Array(
'1.0b4' => Array('u_1_0_RC1_update_user_ids', 'u_1_0_RC1_add_admins_to_group', 'u_1_0_RC1_alter_files_table', 'u_1_0_RC1_destroy_session_cookie', 'u_1_0_RC1_set_contact_email', 'u_1_0_RC1_update_page_text') // ,
// '1.0RC2' => Array('u_1_0_populate_userpage_comments')
);
if(!isset($_GET['mode']))
{
$_GET['mode'] = 'login';
}
function err($t)
{
global $template;
echo $t;
$template->footer();
exit;
}
require(ENANO_ROOT.'/includes/template.php');
// Initialize the session manager
require(ENANO_ROOT.'/includes/functions.php');
require(ENANO_ROOT.'/includes/dbal.php');
require(ENANO_ROOT.'/includes/paths.php');
require(ENANO_ROOT.'/includes/sessions.php');
require(ENANO_ROOT.'/includes/plugins.php');
require(ENANO_ROOT.'/includes/rijndael.php');
require(ENANO_ROOT.'/includes/render.php');
$db = new mysql();
$db->connect();
$plugins = new pluginLoader();
if(!defined('ENANO_CONFIG_FETCHED'))
{
// Select and fetch the site configuration
$e = $db->sql_query('SELECT config_name, config_value FROM '.table_prefix.'config;');
if ( !$e )
{
$db->_die('Some critical configuration information could not be selected.');
}
else
{
define('ENANO_CONFIG_FETCHED', ''); // Used in die_semicritical to figure out whether to call getConfig() or not
}
$enano_config = Array();
while($r = $db->fetchrow())
{
$enano_config[$r['config_name']] = $r['config_value'];
}
$db->free_result();
}
$v = enano_version();
if(in_array($v, Array(false, '', '1.0b3', '1.0b4')))
{
$ul_admin = 2;
$ul_mod = 1;
$ul_member = 0;
$ul_guest = -1;
}
else
{
$ul_admin = USER_LEVEL_ADMIN;
$ul_mod = USER_LEVEL_MOD;
$ul_member = USER_LEVEL_MEMBER;
$ul_guest = USER_LEVEL_GUEST;
}
$_GET['title'] = 'unset';
$session = new sessionManager();
$paths = new pathManager();
$session->start();
$template = new template_nodb();
$template->load_theme('oxygen', 'bleu', false);
$modestrings = Array(
'login' => 'Administrative login',
'welcome' => 'Welcome',
'setversion' => 'Select Enano version',
'confirm' => 'Confirm upgrade',
'upgrade' => 'Database installation',
'finish' => 'Upgrade complete'
);
$sideinfo = '';
$vars = $template->extract_vars('elements.tpl');
$p = $template->makeParserText($vars['sidebar_button']);
foreach ( $modestrings as $id => $str )
{
if ( $_GET['mode'] == $id )
{
$flags = 'style="font-weight: bold; text-decoration: underline;"';
$this_page = $str;
}
else
{
$flags = '';
}
$p->assign_vars(Array(
'HREF' => '#',
'FLAGS' => $flags . ' onclick="return false;"',
'TEXT' => $str
));
$sideinfo .= $p->run();
}
$template->init_vars();
function upg_assign_vars($schema)
{
$schema = str_replace('{{SITE_NAME}}', mysql_real_escape_string(getConfig('site_name')), $schema);
$schema = str_replace('{{SITE_DESC}}', mysql_real_escape_string(getConfig('site_desc')), $schema);
$schema = str_replace('{{COPYRIGHT}}', mysql_real_escape_string(getConfig('copyright_notice')), $schema);
$schema = str_replace('{{TABLE_PREFIX}}', table_prefix, $schema);
if(getConfig('wiki_mode')=='1') $schema = str_replace('{{WIKI_MODE}}', '1', $schema);
else $schema = str_replace('{{WIKI_MODE}}', '0', $schema);
return $schema;
}
/* Version-specific functions */
function u_1_0_RC1_update_user_ids()
{
global $db;
// First, make sure this hasn't already been done
$q = $db->sql_query('SELECT username FROM '.table_prefix.'users WHERE user_id=1;');
if ( !$q )
$db->_die();
$row = $db->fetchrow();
if ( $row['username'] == 'Anonymous' )
return true;
// Find the first unused user ID
$used = Array();
$q = $db->sql_query('SELECT user_id FROM '.table_prefix.'users');
if ( !$q )
$db->_die();
$c = false;
while ( $row = $db->fetchrow() )
{
$i = intval($row['user_id']);
$used[$i] = true;
if ( !isset($used[$i - 1]) && $c )
{
$id = $i - 1;
break;
}
$c = true;
}
if ( !isset($id) )
$id = $i + 1;
$db->free_result();
$q = $db->sql_query('UPDATE '.table_prefix.'users SET user_id=' . $id . ' WHERE user_id=1;');
if(!$q)
$db->_die();
$q = $db->sql_query('UPDATE '.table_prefix.'users SET user_id=1 WHERE user_id=-1 AND username=\'Anonymous\';');
if(!$q)
$db->_die();
}
function u_1_0_RC1_add_admins_to_group()
{
global $db;
$q = $db->sql_query('SELECT user_id FROM '.table_prefix.'users WHERE user_level=' . USER_LEVEL_ADMIN . ';');
if ( !$q )
$db->_die();
$base = 'INSERT INTO '.table_prefix.'group_members(group_id,user_id) VALUES';
$blocks = Array();
while ( $row = $db->fetchrow($q) )
{
$blocks[] = '(2,' . $row['user_id'] . ')';
}
$blocks = implode(',', $blocks);
$sql = $base . $blocks . ';';
if(!$db->sql_query($sql))
$db->_die();
}
function u_1_0_RC1_alter_files_table()
{
global $db;
if(!is_dir(ENANO_ROOT.'/files'))
@mkdir(ENANO_ROOT . '/files');
if(!is_dir(ENANO_ROOT.'/files'))
die('ERROR: Couldn\'t create files directory');
$q = $db->sql_unbuffered_query('SELECT * FROM '.table_prefix.'files;', $db->_conn);
if(!$q) $db->_die();
while ( $row = $db->fetchrow() )
{
$file_data = base64_decode($row['data']);
$path = ENANO_ROOT . '/files/' . md5( $row['filename'] . '_' . $file_data ) . '_' . $row['time_id'] . $row['file_extension'];
@unlink($path);
$handle = @fopen($path, 'w');
if(!$handle)
die('fopen failed');
fwrite($handle, $file_data);
fclose($handle);
}
$q = $db->sql_query('ALTER TABLE '.table_prefix.'files DROP PRIMARY KEY, ADD COLUMN file_id int(12) NOT NULL auto_increment FIRST, ADD PRIMARY KEY (file_id), ADD COLUMN file_key varchar(32) NOT NULL;');
if(!$q) $db->_die();
$list = Array();
$q = $db->sql_unbuffered_query('SELECT * FROM '.table_prefix.'files;', $db->_conn);
if(!$q) $db->_die();
while ( $row = $db->fetchrow($q) )
{
$file_data = base64_decode($row['data']);
$key = md5( $row['filename'] . '_' . $file_data );
$list[] = 'UPDATE '.table_prefix.'files SET file_key=\'' . $key . '\' WHERE file_id=' . $row['file_id'] . ';';
}
foreach ( $list as $sql )
{
if(!$db->sql_query($sql)) $db->_die();
}
if(!$db->sql_query('ALTER TABLE '.table_prefix.'files DROP data')) $db->_die();
}
function u_1_0_RC1_destroy_session_cookie()
{
unset($_COOKIE['sid']);
setcookie('sid', '', time()-3600*24, scriptPath);
setcookie('sid', '', time()-3600*24, scriptPath.'/');
}
function u_1_0_RC1_set_contact_email()
{
global $db;
$q = $db->sql_query('SELECT email FROM '.table_prefix.'users WHERE user_level='.USER_LEVEL_ADMIN.' ORDER BY user_level ASC LIMIT 1;');
if(!$q)
$db->_die();
$row = $db->fetchrow();
setConfig('contact_email', $row['email']);
}
function u_1_0_RC1_update_page_text()
{
global $db;
$q = $db->sql_unbuffered_query('SELECT page_id,namespace,page_text,char_tag FROM '.table_prefix.'page_text');
if (!$q)
$db->_die();
$qs = array();
while ( $row = $db->fetchrow($q) )
{
$row['page_text'] = str_replace(Array(
"{QUOT:{$row['char_tag']}}",
"{APOS:{$row['char_tag']}}",
"{SLASH:{$row['char_tag']}}"
), Array(
'"', "'", '\\'
), $row['page_text']);
$qs[] = 'UPDATE '.table_prefix.'page_text SET page_text=\'' . mysql_real_escape_string($row['page_text']) . '\'
WHERE page_id=\'' . mysql_real_escape_string($row['page_id']) . '\' AND
namespace=\'' . mysql_real_escape_string($row['namespace']) . '\';';
}
foreach($qs as $query)
{
if(!$db->sql_query($query))
$db->_die();
}
}
function u_1_0_populate_userpage_comments()
{
//
// UNFINISHED...
//
/*
global $db;
$q = $db->sql_query('SELECT COUNT(c.comment_id) AS num_comments...');
if ( !$q )
$db->_die();
while ( $row = $db->fetchrow() )
{
}
*/
}
switch($_GET['mode'])
{
case "login":
if($session->user_logged_in && $session->user_level >= $ul_admin)
{
if(isset($_POST['login']))
{
$session->login_without_crypto($_POST['username'], $_POST['password'], false, $ul_admin);
if($session->sid_super)
{
header('Location: upgrade.php?mode=welcome&auth='.$session->sid_super);
exit;
}
}
$template->header();
?>
<form action="upgrade.php?mode=login" method="post">
<table border="0" style="margin-left: auto; margin-right: auto; margin-top: 5px;" cellspacing="1" cellpadding="4">
<tr>
<th colspan="2">You must re-authenticate to perform this upgrade.</th>
</tr>
<?php
if(isset($_POST['login']))
{
echo '<tr><td colspan="2"><p style="color: red;">Login failed. Bad password?</p></td></tr>';
}
?>
<tr>
<td>Username:</td><td><input type="text" name="username" size="30" /></td>
</tr>
<tr>
<td>Password:</td><td><input type="password" name="password" size="30" /></td>
</tr>
<tr>
<td colspan="2" style="text-align: center;"><input type="submit" name="login" value="Log in" />
</tr>
</table>
</form>
<?php
}
else
{
if(isset($_POST['login']))
{
$result = $session->login_without_crypto($_POST['username'], $_POST['password'], false, $ul_member);
if($result == 'success')
{
header('Location: upgrade.php');
exit;
}
}
$template->header();
?>
<form action="upgrade.php?mode=login" method="post">
<table border="0" style="margin-left: auto; margin-right: auto; margin-top: 5px;" cellspacing="1" cellpadding="4">
<tr>
<th colspan="2">Please log in to continue with this upgrade.</th>
</tr>
<?php
if(isset($_POST['login']))
{
echo '<tr><td colspan="2"><p style="color: red;">Login failed. Bad password?</p></td></tr>';
}
?>
<tr>
<td>Username:</td><td><input type="text" name="username" size="30" /></td>
</tr>
<tr>
<td>Password:</td><td><input type="password" name="password" size="30" /></td>
</tr>
<tr>
<td colspan="2" style="text-align: center;"><input type="submit" name="login" value="Log in" />
</tr>
</table>
</form>
<?php
}
break;
case "welcome":
if(!$session->sid_super) { $template->header(); echo '<p>No admin session found! Please <a href="upgrade.php">restart the upgrade</a>.</p>'; $template->footer(); exit; }
// Just show a simple welcome page to display version information
$template->header();
require('config.php');
?>
<div style="text-align: center; margin-top: 10px;">
<img alt="[ Enano CMS Project logo ]" src="images/enano-artwork/installer-greeting-blue.png" style="display: block; margin: 0 auto; padding-left: 134px;" />
<h2>Welcome to the Enano upgrade wizard</h2>
<?php
if ( file_exists('./_nightly.php') )
{
echo '<div class="warning-box" style="text-align: left; margin: 10px auto; display: table; width: 60%;"><b>You are about to upgrade to a NIGHTLY BUILD of Enano.</b><br />Nightly builds CANNOT be re-upgraded to the final release. They may also contain serious flaws, security problems, or extraneous debugging information. Continuing this process on a production site is NOT recommended.</div>';
}
?>
</div>
<div style="display: table; margin: 0 auto;">
<p>You are about to upgrade Enano to version <b><?php echo $this_version; ?></b>. Before you continue, please ensure that:</p>
<ul>
<li>You have completely backed up your database (<b><?php echo "$dbhost:$dbname"; ?></b>)</li>
<li>You have backed up the entire Enano directory (<b><?php echo ENANO_ROOT; ?></b>)</li>
<li>You have reviewed the release notes for this version, and you<br />are comfortable with any known bugs or issues</li>
</ul>
</div>
<div style="text-align: center; margin-top: 10px;">
<form action="upgrade.php?mode=setversion&auth=<?php echo $session->sid_super; ?>" method="post">
<input type="submit" value="Continue with upgrade" />
</form>
</div>
<?php
break;
case "setversion":
if(!$session->sid_super) { $template->header(); echo '<p>No admin session found! Please <a href="upgrade.php">restart the upgrade</a>.</p>'; $template->footer(); exit; }
$v = ( function_exists('enano_version') ) ? enano_version() : '';
if(!in_array($v, $valid_versions) && $v != '')
{
$template->header();
?>
<p>Your version of Enano (<?php echo $v; ?>) can't be upgraded to this version (<?php echo $this_version; ?>).</p>
<?php
break;
}
else if($v == '')
{
// OK, we don't know which version he's running. So we'll cheat ;-)
$template->header();
echo "<form action='upgrade.php?mode=confirm&auth={$session->sid_super}' method='post'>";
?>
<p>Sorry, we couldn't detect which version of Enano you're running on your server. Please select which version of Enano you have below, and make absolutely sure that you're correct.</p>
<p><select name="version"><?php
foreach($valid_versions as $c)
{
echo "<option value='{$c}'>{$c}</option>";
}
?></select></p>
<p>
<input type="submit" value="Continue" />
</p>
<?php
echo `</form>`;
break;
}
else
{
header('Location: upgrade.php?mode=confirm&auth='.$session->sid_super);
}
break;
case "confirm":
$enano_version = ( isset($_POST['version']) ) ? $_POST['version'] : enano_version();
$template->header();
if(!$session->sid_super) { echo '<p>No admin session found! Please <a href="upgrade.php">restart the upgrade</a>.</p>'; $template->footer(); exit; }
?>
<form action="upgrade.php?mode=upgrade&auth=<?php echo $session->sid_super; ?>" method="post">
<table border="0" style="margin-left: auto; margin-right: auto; margin-top: 5px;" cellspacing="1" cellpadding="4">
<tr>
<td colspan="2"><p><b>Are you sure you want to perform this upgrade?</b></p><p>You can still cancel the upgrade process now. If<br />the upgrade fails, you will need to roll back<br />any actions made using manual SQL queries.</p><p><b>Please clear your browser cache or<br />shift-reload after the upgrade.</b><br />If you fail to do so, some page elements may<br />be broken.</td>
</tr>
<tr>
<td colspan="2" style="text-align: center;">
<input type="hidden" name="enano_version" value="<?php echo $enano_version; ?>" />
<input type="submit" name="doit" value="Upgrade Enano!" />
</td>
</tr>
</table>
</form>
<?php
break;
case "upgrade":
$template->header();
if(!$session->sid_super) { echo '<p>No admin session found! Please <a href="upgrade.php">restart the upgrade</a>.</p>'; $template->footer(); exit; }
if(!isset($_POST['enano_version'])) { echo '<p>Can\'t find the version information on the POST query, are you trying to do this upgrade directly? Please <a href="upgrade.php">restart the upgrade</a>.</p>'; break; }
$enano_version = $_POST['enano_version'];
echo '<p>Preparing for schema execution...';
// Build an array of queries
$schema = file_get_contents('upgrade.sql');
// Strip out and process version blocks
preg_match_all('#---BEGIN ([0-9A-z\.\-]*?)---'."\n".'(.*?)'."\n".'---END \\1---#is', $schema, $matches);
$from_list =& $matches[1];
$query_list =& $matches[2];
foreach($matches[0] as $m)
{
$schema = str_replace($m, '', $schema);
}
$schema = explode("\n", $schema);
foreach($schema as $k => $q)
{
if(substr($q, 0, 2) == '--' || $q == '')
{
unset($schema[$k]);
//die('<pre>'.htmlspecialchars(print_r($schema, true)).'</pre>');
}
else
{
$schema[$k] = upg_assign_vars($schema[$k]);
}
}
foreach($query_list as $k => $q)
{
$query_list[$k] = explode("\n", $query_list[$k]);
foreach($query_list[$k] as $i => $s)
{
$tq =& $query_list[$k][$i];
if(substr($s, 0, 2) == '--' || $s == '')
{
unset($query_list[$k][$i]);
//die('<pre>'.htmlspecialchars(print_r($schema, true)).'</pre>');
}
else
{
$query_list[$k][$i] = upg_assign_vars($query_list[$k][$i]);
}
}
$query_list[$k] = array_values($query_list[$k]);
}
$assoc_list = Array();
foreach($from_list as $i => $v)
{
$assoc_list[$v] = $query_list[$i];
}
$schema = array_values($schema);
$deps_resolved = false;
$installing_versions = Array($enano_version);
while(true)
{
$v = array_keys($deps_list);
foreach($v as $i => $ver)
{
if(in_array($ver, $installing_versions))
{
// $ver is on the list of versions to be installed. Add its dependencies to the list of versions to install.
foreach($deps_list[$ver] as $dep)
{
if(!in_array($dep, $installing_versions))
{
$installing_versions[] = $dep;
}
}
}
if($i == count($deps_list) - 1)
{
break 2;
}
}
}
foreach($installing_versions as $this_ver)
{
$schema = array_merge($schema, $assoc_list[$this_ver]);
}
// Time for some proper SQL syntax!
// Also check queries for so-called injection attempts to make
// sure that it doesn't fail during the upgrade process and
// leave the user with a half-upgraded database
foreach($schema as $s => $q)
{
if(substr($q, strlen($q)-1, 1) != ';')
{
$schema[$s] .= ';';
}
if ( !$db->check_query($schema[$s]) )
{
// Uh-oh, the check failed, bail out
// The DBAL runs sanity checks on all queries for safety,
// so if the check fails in mid-upgrade we are in deep
// dodo doo-doo.
echo 'Query failed sanity check, this should never happen and is a bug.</p><p>Query was:</p><pre>'.$schema[$s].'</pre>';
break 2;
}
}
$schema = array_values($schema);
// Used extensively for debugging
// echo '<pre>'.htmlspecialchars(print_r($schema, true)).'</pre>';
// break;
echo 'done!<br />Executing upgrade schema...';
// OK, do the loop, baby!!!
foreach($schema as $q)
{
$r = $db->sql_query($q);
if(!$r)
{
echo $db->get_error();
break 2;
}
}
// Call any custom functions
foreach ( $installing_versions as $ver )
{
if ( isset($func_list[$ver]) )
{
foreach($func_list[$ver] as $function)
{
@call_user_func($function);
}
}
}
echo 'done!</p>';
echo '<p>You will be redirected shortly. If you aren\'t redirected, <a href="index.php">click here</a>.</p>
<script type="text/javascript">setTimeout("window.location=\'index.php\'", 2000)</script>';
break;
}
$template->footer();
?>