$version,
'localeLinks' => get_locale_links("$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 fpermissions($file)
{
$perms = fileperms($file);
if (($perms & 0x8000) == 0x8000) {
$info = '-';
} elseif (($perms & 0x4000) == 0x4000) {
$info = 'd';
} else {
$info = '?';
}
// Owner
$info .= (($perms & 0x0100) ? 'r' : '-');
$info .= (($perms & 0x0080) ? 'w' : '-');
$info .= (($perms & 0x0040) ?
(($perms & 0x0800) ? 's' : 'x') :
(($perms & 0x0800) ? 'S' : '-'));
// Group
$info .= (($perms & 0x0020) ? 'r' : '-');
$info .= (($perms & 0x0010) ? 'w' : '-');
$info .= (($perms & 0x0008) ?
(($perms & 0x0400) ? 's' : 'x') :
(($perms & 0x0400) ? 'S' : '-'));
// World
$info .= (($perms & 0x0004) ? 'r' : '-');
$info .= (($perms & 0x0002) ? 'w' : '-');
$info .= (($perms & 0x0001) ?
(($perms & 0x0200) ? 't' : 'x') :
(($perms & 0x0200) ? 'T' : '-'));
return $info;
}
function check_files()
{
global $page, $errors, $webimroot;
$packageFile = dirname(__FILE__) . "/package";
$fp = @fopen($packageFile, "r");
if ($fp === FALSE) {
$errors[] = getlocal2("install.cannot_read", array("$webimroot/install/package"));
if (file_exists($packageFile)) {
$errors[] = getlocal2("install.check_permissions", array(fpermissions($packageFile)));
}
return false;
}
$knownFiles = array();
while (!feof($fp)) {
$line = fgets($fp, 4096);
$keyval = preg_split("/ /", $line, 2);
if (isset($keyval[1])) {
$knownFiles[$keyval[0]] = trim($keyval[1]);
}
}
fclose($fp);
foreach ($knownFiles as $file => $sum) {
$relativeName = dirname(__FILE__) . "/../$file";
if (!is_readable($relativeName)) {
if (file_exists($relativeName)) {
$errors[] = getlocal2("install.cannot_read", array("$webimroot/$file"));
$errors[] = getlocal2("install.check_permissions", array(fpermissions($relativeName)));
} else {
$errors[] = getlocal2("install.no_file", array("$webimroot/$file"));
}
return false;
}
if ($sum != "-") {
$result = md5_file($relativeName);
if ($result != $sum) {
// try without \r
$result = md5(str_replace("\r", "", file_get_contents($relativeName)));
}
if ($result != $sum) {
$errors[] = getlocal2("install.bad_checksum", array("$webimroot/$file"));
$errors[] = getlocal("install.check_files");
return false;
}
}
}
$page['done'][] = getlocal("install.0.package");
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, $dbtables_indexes, $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;
}
}
$need_to_create_indexes = false;
foreach ($dbtables_indexes as $id => $indexes) {
$curr_indexes = get_indexes($id, $link);
if ($curr_indexes === false) {
return false;
}
$tocreate = array_diff(array_keys($indexes), $curr_indexes);
if (count($tocreate) != 0) {
$need_to_create_indexes = true;
}
}
if ($need_to_create_columns || $need_to_create_indexes) {
$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;
$page['done'][] = getlocal2("install.5.text", array(
"" . getlocal("install.5.newvisitor") . "",
"" . getlocal("install.5.newmessage") . ""
));
}
function check_admin($link)
{
global $mysqlprefix;
$result = mysql_query("select * from ${mysqlprefix}chatoperator where vclogin = 'admin'", $link);
if ($result) {
$line = mysql_fetch_array($result, MYSQL_ASSOC);
mysql_free_result($result);
return $line['vcpassword'] != md5('');
}
return false;
}
function add_canned_messages($link){
global $mysqlprefix;
$localesresult = mysql_query("select locale from ${mysqlprefix}chatresponses", $link);
$existlocales = array();
for ($i = 0; $i < mysql_num_rows($localesresult); $i++) {
$existlocales[] = mysql_result($localesresult, $i, 'locale');
}
$result = array();
foreach (get_available_locales() as $locale) {
if (! in_array($locale, $existlocales)) {
foreach (explode("\n", getstring_('chat.predefined_answers', $locale)) as $answer) {
$result[] = array('locale' => $locale, 'vctitle' => cutstring($answer, 97, '...'), 'vcvalue' => $answer);
}
}
}
if (count($result) > 0) {
$updatequery = "insert into ${mysqlprefix}chatresponses (vctitle,vcvalue,locale,groupid) values ";
for ($i = 0; $i < count($result); $i++) {
if ($i > 0) {
$updatequery .= ", ";
}
$updatequery .= "('" . mysql_real_escape_string($result[$i]['vctitle'], $link) . "', "
. "'" . mysql_real_escape_string($result[$i]['vcvalue'], $link) . "', "
. "'" . mysql_real_escape_string($result[$i]['locale'], $link) . "', NULL)";
}
mysql_query($updatequery, $link);
}
}
function check_status()
{
global $page, $webimroot, $settings, $dbversion;
$page['done'][] = getlocal2("install.0.php", array(phpversion()));
if (!check_webimroot()) {
return;
}
if (!check_files()) {
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;
}
add_canned_messages($link);
check_sound();
$page['done'][] = getlocal("installed.message");
if (!check_admin($link)) {
$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');
?>