$version,
'localeLinks' => get_locale_links("$webimroot/install/index.php")
);
$page['done'] = array();
$page['nextstep'] = false;
$page['nextnotice'] = false;
$page['soundcheck'] = false;
$errors = array();
function check_webimroot()
{
global $page, $errors, $webimroot;
$requestUri = $_SERVER["REQUEST_URI"];
if (!preg_match('/^(.*)\\/install(\\/[^\\/\\\\]*)?$/', $requestUri, $matches)) {
$errors[] = "Cannot detect application location: $requestUri";
return false;
}
$applocation = $matches[1];
if ($applocation != $webimroot) {
$errors[] = "Please, check file ${applocation}/libs/config.php
Wrong value of \$webimroot variable, should be \"$applocation\"";
$webimroot = $applocation;
return false;
}
$page['done'][] = getlocal2("install.0.app", array($applocation));
return true;
}
function check_connection()
{
global $mysqlhost, $mysqllogin, $mysqlpass, $page, $errors, $webimroot;
$link = @mysql_connect($mysqlhost, $mysqllogin, $mysqlpass);
if ($link) {
$result = mysql_query("SELECT VERSION() as c", $link);
if ($result && $ver = mysql_fetch_array($result, MYSQL_ASSOC)) {
$page['done'][] = getlocal2("install.1.connected", array($ver['c']));
mysql_free_result($result);
} else {
$errors[] = "Version of your SQL server is unknown. Please check. Error: " . mysql_error($link);
mysql_close($link);
return null;
}
return $link;
} else {
$errors[] = getlocal2("install.connection.error", array(mysql_error()));
return null;
}
}
function check_database($link)
{
global $mysqldb, $force_charset_in_connection, $dbencoding, $page, $webimroot;
if (mysql_select_db($mysqldb, $link)) {
$page['done'][] = getlocal2("install.2.db_exists", array($mysqldb));
if ($force_charset_in_connection) {
mysql_query("SET character set $dbencoding", $link);
}
return true;
} else {
$page['nextstep'] = getlocal2("install.2.create", array($mysqldb));
$page['nextnotice'] = getlocal("install.2.notice");
$page['nextstepurl'] = "$webimroot/install/dbperform.php?act=createdb";
}
return false;
}
function check_tables($link)
{
global $dbtables, $page, $webimroot;
$curr_tables = get_tables($link);
if ($curr_tables !== false) {
$tocreate = array_diff(array_keys($dbtables), $curr_tables);
if (count($tocreate) == 0) {
$page['done'][] = getlocal("install.3.tables_exist");
return true;
} else {
$page['nextstep'] = getlocal("install.3.create");
$page['nextstepurl'] = "$webimroot/install/dbperform.php?act=ct";
}
}
return false;
}
function check_columns($link)
{
global $dbtables, $dbtables_can_update, $errors, $page, $webimroot;
$need_to_create_columns = false;
foreach ($dbtables as $id => $columns) {
$curr_columns = get_columns($id, $link);
if ($curr_columns === false) {
return false;
}
$tocreate = array_diff(array_keys($columns), $curr_columns);
if (count($tocreate) != 0) {
$cannot_update = array_diff($tocreate, $dbtables_can_update[$id]);
if (count($cannot_update) != 0) {
$errors[] = "Key columns are absent in table `$id'. Unable to continue installation.";
$page['nextstep'] = getlocal("install.kill_tables");
$page['nextstepurl'] = "$webimroot/install/dbperform.php?act=dt";
$page['nextnotice'] = getlocal("install.kill_tables.notice");
return false;
}
$need_to_create_columns = true;
}
}
if ($need_to_create_columns) {
$page['nextstep'] = getlocal("install.4.create");
$page['nextstepurl'] = "$webimroot/install/dbperform.php?act=addcolumns";
$page['nextnotice'] = getlocal("install.4.notice");
return false;
}
$page['done'][] = getlocal("install.4.done");
return true;
}
function check_sound() {
global $page;
$page['soundcheck'] = true;
$page['done'][] = getlocal2("install.5.text", array(
"".getlocal("install.5.newvisitor")."",
"".getlocal("install.5.newmessage").""
));
}
function check_status()
{
global $page, $webimroot, $settings, $dbversion;
if (!check_webimroot()) {
return;
}
$link = check_connection();
if (!$link) {
return;
}
if (!check_database($link)) {
mysql_close($link);
return;
}
if (!check_tables($link)) {
mysql_close($link);
return;
}
if (!check_columns($link)) {
mysql_close($link);
return;
}
check_sound();
$page['done'][] = getlocal("installed.message");
$page['nextstep'] = getlocal("installed.login_link");
$page['nextnotice'] = getlocal2("installed.notice", array("${webimroot}/install/"));
$page['nextstepurl'] = "$webimroot/";
$page['show_small_login'] = true;
mysql_close($link);
loadsettings();
$settings['dbversion'] = $dbversion;
update_settings();
}
check_status();
start_html_output();
require('../view/install_index.php');
?>