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[wmmkf.git] / update.php

<?php

include_once('functions/include.install.php');
#include_once('functions.php');
include_once("db_settings.php");
include_once("lang/english.php");
include_once("lang/english_add.php");

# initialisation
ini_set('arg_separator.output', '&amp;');
header('Content-Type: text/html; charset=UTF-8');
if (!extension_loaded('mbstring')) include_once('/functions/funcs.mb_replacements.php');
mb_internal_encoding('UTF-8');

# for details see: http://de.php.net/manual/en/security.magicquotes.disabling.php
if (get_magic_quotes_gpc())
        {
        $_POST = array_map('stripslashes_deep', $_POST);
        $_GET = array_map('stripslashes_deep', $_GET);
        $_COOKIE = array_map('stripslashes_deep', $_COOKIE);
        $_REQUEST = array_map('stripslashes_deep', $_REQUEST);
        }


# number of the new version
$newVersion = "1.8";
# empty error array
$errors = array();
# status of the script
# 0: initialization status, start of the update procedure
# 1: no connect to the database or no data of an existing forum-DB found
# 2: update complete
$scriptStatus = 0;
$statusOutput[1] = "<p>".$lang_add['db_read_settings_error']."</p>
<p>The forum seems not to be installed. Please control the existence and name of the settings table or switch to <a href=\"install.php\">Installation</a>.</p>";
$statusOutput[2] = "<p>Database tables have been altered, new tables are created.</p>";
$statusOutput[3] = "<p>The given data from the form seems to be wrong.</p>";
$statusOutput[4] = "<p>An error occured</p>\n";

# initialization of the output
$output = "";

# connect the database (return: [status] resource number or false; [errnbr] error number)
$sql = auge_connect_db($db_settings);

if ($sql["status"] === false)
        {
        # no contact to the database server
        # generate error message
        $errors[] = "MySQL error: ".$sql["errnbr"]."<br />".$lang_add['db_'.$sql["errnbr"]];
        # status: no connection to database
        $scriptStatus = 1;
        $output .= "<p>The script can not contact the database server. The username, password or database name seems to be wrong.</p>";
        }
else
        {
        # List all versions wich can be updated.
        $updateVersions = array("1.7");
        # the database is contacted
        $connid = $sql["status"];
        # read the current settings from the settings table
        $oldSettingsQuery = "SELECT name, value FROM ".$db_settings['settings_table'];
        $ancientSettings = auge_ask_database($oldSettingsQuery,$connid);
        if (!is_array($ancientSettings['status']))
                {
                # status: found no data of an existing installation (empty result or error)
                $output .= $statusOutput[1];
                $scriptStatus = 1;
                }
        else
                {
                # bring the old settings into the needed format
                foreach ($ancientSettings['status'] as $ancientSetting)
                        {
                        $oldSettings[$ancientSetting['name']] = $ancientSetting['value'];
                        }
                # search version number of the old forum version:
                if (empty($oldSettings['version']))
                        {
                        # the old setting for version string is not present
                        $errors[] = $lang_add['no_version_found'];
                        }
                else
                        {
                        # found string for old version
                        $versionCompare = false;
                        # shorten version string to one digit after first point
                        $oldVersionShort = substr($oldSettings['version'],0,3);
                        if ($oldVersionShort == $newVersion)
                                {
                                # identic old and new version
                                $errors[] = $lang_add['version_already_installed'];
                                }
                        else if (!in_array($oldVersionShort,$updateVersions))
                                {
                                # old version is not supported by the update procedure
                                $errors[] = $lang_add['version_not_supported'];
                                }
                        else
                                {
                                $oldVersion = $oldSettings['version'];
                                }
                        } # End: search version number of old forum
                # include files for the language wich is stored in the old settings
                include("lang/".$oldSettings['language_file']);
                include("lang/".$lang['additional_language_file']);
                # the form was submitted
                if (isset($_POST['form_submitted'])) {
#                       $output .= '<pre>';
#                       $output .= print_r($_POST, true);
#                       $output .= '</pre>';
                        # all fields filled out?
                        foreach ($_POST as $postKey=>$postVal)
                                {
                                $postVal = trim($postVal);
                                if (empty($postVal)) { $errors[] = $lang['error_form_uncompl']; break; }
                                }
                        # try to connect the database with posted access data (deprecated):
                        if (empty($errors))
                                {
                                # Umstellung auf meine SQL-Funktionen
                                $tempDBConnData = array('host'=>$db_settings['host'],'user'=>$db_settings['user'],'pw'=>$db_settings['pw'],'db'=>$db_settings['db']);
                                $tempSQL = auge_connect_db($tempDBConnData);
                                if ($tempSQL['status'] === false)
                                        {
                                        # wrong given data
                                        # generate error message
                                        $errors[] = "MySQL error: ".$tempSQL["errnbr"]."\n".$lang_add['db_'.$tempSQL["errnbr"]];
                                        # status: no connection to database
                                        # because wrong given data from the form
                                        $scriptStatus = 1;
                                        }
                                else
                                        {
                                        $connid = $tempSQL['status'];
                                        }
                                } # End: deprecated

                        # overwrite database settings file:
                        if (empty($errors) and empty($_POST['dont_overwrite_settings']))
                                {
                                clearstatcache();
                                $chmod = decoct(fileperms("db_settings.php"));

                                $db_settings['usersettings_table'] = $_POST['table_prefix'].'usersettings';
                                $db_settings['us_templates_table'] = $_POST['table_prefix'].'fu_settings';
                                $db_settings['banned_ips_table'] = $_POST['table_prefix'].'banned_ips';
                                $db_settings['usersubscripts_table'] = $_POST['table_prefix'].'subscripts';
                                # content of db_settings.php
                                $SetCont  = "<?php\n";
                                $SetCont .= "\$db_settings['host'] = \"".$db_settings['host']."\";\n";
                                $SetCont .= "\$db_settings['user'] = \"".$db_settings['user']."\";\n";
                                $SetCont .= "\$db_settings['pw'] = \"".$db_settings['pw']."\";\n";
                                $SetCont .= "\$db_settings['db'] = \"".$db_settings['db']."\";\n";
                                $SetCont .= "\$db_settings['settings_table'] = \"".$db_settings['settings_table']."\";\n";
                                $SetCont .= "\$db_settings['forum_table'] = \"".$db_settings['forum_table']."\";\n";
                                $SetCont .= "\$db_settings['category_table'] = \"".$db_settings['category_table']."\";\n";
                                $SetCont .= "\$db_settings['userdata_table'] = \"".$db_settings['userdata_table']."\";\n";
                                $SetCont .= "\$db_settings['smilies_table'] = \"".$db_settings['smilies_table']."\";\n";
                                $SetCont .= "\$db_settings['banlists_table'] = \"".$db_settings['banlists_table']."\";\n";
                                $SetCont .= "\$db_settings['banned_ips_table'] = \"".$db_settings['banned_ips_table']."\";\n";
                                $SetCont .= "\$db_settings['useronline_table'] = \"".$db_settings['useronline_table']."\";\n";
                                $SetCont .= "\$db_settings['usersettings_table'] = \"".$db_settings['usersettings_table']."\";\n";
                                $SetCont .= "\$db_settings['us_templates_table'] = \"".$db_settings['us_templates_table']."\";\n";
                                $SetCont .= "\$db_settings['usersubscripts_table'] = \"".$db_settings['usersubscripts_table']."\";\n";
                                $SetCont .= "?>";
                                # Start: debug output
#                               $output .= '<pre>';
#                               $output .= htmlspecialchars(print_r($SetCont, true));
#                               $output .= '</pre>';
                                # End: debug output

                                $db_settings_file = @fopen("db_settings.php", "w") or $errors[] = str_replace("CHMOD",$chmod,$lang_add['no_writing_permission']);
                                flock($db_settings_file, LOCK_EX);
                                fwrite($db_settings_file, $SetCont);
                                flock($db_settings_file, LOCK_UN);
                                fclose($db_settings_file);
                                } # End: if (empty($errors) and empty($_POST['dont_overwrite_settings']))
                        # update procedure
                        if (empty($errors))
                                {
                                switch($oldVersionShort)
                                        {
                                        case 1.7:
                                                $errors = update17to18($oldSettings, $connid);
                                                if ($errors === false) {
                                                        $output .= '<p>errors ist <code>false</code>.</p>';
                                                        unset($errors);
                                                        }
                                                else {
                                                        $output .= '<p>errors ist nicht <code>false</code>.</p>';
                                                        }
                                        break;
                                        default:
                                                $errors[] = $lang_add['version_not_supported'];
                                        break;
                                        } # End: switch($oldVersion)
                                } # End: structure update procedure
                        # structure update was successful, set $scriptStatus to 2
                        if (empty($errors))
                                {
                                # the update was successful
                                # the database tables was updated, new settings are saved
                                $scriptStatus = 2;
                                $output .= $statusOutput[2];
                                }
                        else
                                {
                                # an error occured while the update process
                                $output .= $statusOutput[4];
                                if (!empty($errors) and is_array($errors))
                                        {
                                        $output .= errorMessages($errors);
                                        }
                                }
                        } # End: if (isset($_POST['form_submitted']))
                else
                        {
                        # the form was not submitted, standard output with the initial form
                        $passLength = strlen($db_settings['pw']);
                        $prefix = substr($db_settings['settings_table'], 0, -8);
                        $passWord = str_repeat("*", $passLength);
                        $output .= '<p>'.$lang_add['update_instructions'].'</p>'."\n";
                        $output .= '<h2>'.$lang_add['update_current_dbsettings'].'</h2>'."\n";
                        $output .= '<table class="admintab">'."\n";
                        $output .= ' <tr>'."\n";
                        $output .= '  <td class="definition">'.$lang_add['inst_db_host'].'<br />'."\n";
                        $output .= '  <span class="small">'.$lang_add['inst_db_host_d'].'</span></td>'."\n";
                        $output .= '  <td class="description">'.$db_settings['host'].'</td>'."\n";
                        $output .= ' </tr><tr>'."\n";
                        $output .= '  <td class="definition">'.$lang_add['inst_db_name'].'<br />'."\n";
                        $output .= '  <span class="small">'.$lang_add['inst_db_name_d'].'</span></td>'."\n";
                        $output .= '  <td class="description">'.$db_settings['db'].'</td>'."\n";
                        $output .= ' </tr><tr>'."\n";
                        $output .= '  <td class="definition">'.$lang_add['inst_db_user'].'<br />'."\n";
                        $output .= '<span class="small">'.$lang_add['inst_db_user_d'].'</span></td>'."\n";
                        $output .= '  <td class="description">'.$db_settings['user'].'</td>'."\n";
                        $output .= ' </tr><tr>'."\n";
                        $output .= '  <td class="definition">'.$lang_add['inst_db_pw'].'<br />'."\n";
                        $output .= '  <span class="small">'.$lang_add['inst_db_pw_d'].'</span></td>'."\n";
                        $output .= '  <td class="description">'.$passWord.'</td>'."\n";
                        $output .= ' </tr><tr>'."\n";
                        $output .= '  <td class="definition">'.$lang_add['inst_table_prefix'].'<br />'."\n";
                        $output .= '  <span class="small">'.$lang_add['inst_table_prefix_d'].'</span></td>'."\n";
                        $output .= '  <td class="description">'.$prefix.'</td>'."\n";
                        $output .= ' </tr>'."\n";
                        $output .= '</table>'."\n";
                        $output .= '<h2>'.$lang_add['update_current_dbtables'].'</h2>'."\n";
                        $output .= '<ol>'."\n";
                        foreach ($db_settings as $key => $val) {
                                $found = strpos($key, '_table');
                                if ($found !== false) {
                                        $output .= ' <li>'.$val.'</li>'."\n";
                                        }
                                }
                        $output .= '</ol>'."\n";
                        if ($oldVersionShort < $settings['version'])
                                {
                                $output .= '<h2>'.$lang_add['update_new_dbtables'].'</h2>'."\n";
                                if ($settings['version'] == "1.8")
                                        {
                                                $output .= '<p>'.$lang_add['update_news_message_1.8'].'</p>';
                                        }
                                }
                        $output .= '<form action="update.php" method="post">'."\n";
                        $output .= '<table class="admintab">'."\n";
                        $output .= ' <tr>'."\n";
                        $output .= '  <td class="definition">'.$lang_add["delete_2char_smilies"].'<br />'."\n";
                        $output .= '  <span class="small">'.$lang_add['delete_2char_smilies_d'].'</td>'."\n";
                        $output .= '  <td class="description">'."\n";
                        $output .= '   <input type="radio" id="DeleteSmilies" name="DeleteSmilies" value="delete" checked="checked" /><label for="DeleteSmilies">'.$lang['yes'].'</label>'."\n";
                        $output .= '   <input type="radio" id="StoreSmilies" name="DeleteSmilies" value="store" /><label for="StoreSmilies">'.$lang['no'].'</label></td>'."\n";
                        $output .= ' </tr>'."\n";
                        $output .= '</table>'."\n";
#                       $output .= '<ul>';
#                       $output .= '<li><input type="checkbox" name="dont_overwrite_settings" value="true"';
#                       $output .= isset($_POST['dont_overwrite_settings']) ? ' checked="checked"' : '';
#                       $output .= '>'.$lang_add['dont_overwrite_settings'].'</li>';
#                       $output .= '</ul>';
                        $output .= '<p><input type="submit" name="form_submitted" value="'.$lang_add['forum_update_ok'].'" /></p>'."\n";
                        $output .= '<input type="hidden" name="language" value="'.$lang['language'].'" />'."\n";
                        $output .= '<input type="hidden" name="installation_mode" value="update" />'."\n";
                        $output .= '<input type="hidden" name="table_prefix" value="'.$prefix.'" />'."\n";
                        $output .= '</form>'."\n";
                        } # End: if (isset($_POST['form_submitted'])) (else)
                } # End: if (!is_array($oldSettings)) (else)
        } # End: if ($connid === false) (else)

?><!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
<html xmlns="http://www.w3.org/1999/xhtml" xml:lang="<?php echo $lang['language']; ?>">
<head>
<meta http-equiv="content-type" content="text/html; charset=UTF-8" />
<title><?php echo $settings['forum_name']." - ".$lang_add['install_title']; ?></title>
<style type="text/css">

body                {
        font-family: sans-serif;
        color: #000000;
        font-size: 100.01%;
        background-color: #fff;
        margin: 0;
        padding: 0;
        }
#content {
        margin: 1em;
        padding: 0;
        }
h1                  {
        margin: 0 0 20px 0;
        font-size: 1.4em;
        font-weight: bold;
        }
h2                  {
        margin: 0 0 20px 0;
        font-size: 1.3em;
        font-weight: bold;
        }
table.admintab      {
        border: 1px solid #bacbdf;
        border-collapse: collapse;
        min-width:600px;
        }
table.admintab td {
        background-color: #f5f5f5;
        width: 40%;
        padding: 4px;
        vertical-align: top;
        border-right: 1px dotted #bacbdf;
        border-bottom: 1px solid #bacbdf;
        }
table.admintab td:nth-child(n+2):nth-child(n+2) {
        background-color: #f8f8f8;
        width: 60%;
        border-right: none;
        }
table.admintab td.definition {
        font-weight: bold;
        }
table.admintab td.definition .small {
        font-weight: normal;
        }
.caution            { color: red; font-weight: bold; }
.small              { font-size: 0.86em; line-height:150%; }
a:link              { color: #0000cc; text-decoration: none; }
a:visited           { color: #0000cc; text-decoration: none; }
a:focus, a:hover    { color: #0000ff; text-decoration: underline; }
a:active            { color: #ff0000; text-decoration: none; }

</style>
</head>
<body>
<div id="content">
<h1><?php echo $lang_add['installation_mode_update']; ?></h1>
<?php
#if (!empty($errors) and is_array($errors)) {
#       echo errorMessages($errors);
#       }
echo $output;
?>
</div>
</body>
</html>