/**
* Get the word lengths that have been indexed.
*
* Reads the index directory and returns an array of lengths
* that there are indices for.
*
* @author YoBoY <*****@*****.**>
*/
function idx_indexLengths(&$filter)
{
global $conf;
$idx = array();
if (is_array($filter)) {
// testing if index files exists only
foreach ($filter as $key => $value) {
if (@file_exists($conf['indexdir'] . "/i{$key}.idx")) {
$idx[] = $key;
}
}
} else {
$lengths = idx_listIndexLengths();
foreach ($lengths as $key => $length) {
// we keep all the values equal or superior
if ((int) $length >= (int) $filter) {
$idx[] = $length;
}
}
}
return $idx;
}
/**
* Run a few sanity checks
*
* @author Andreas Gohr <*****@*****.**>
*/
function check()
{
global $conf;
global $INFO;
if ($INFO['isadmin'] || $INFO['ismanager']) {
msg('DokuWiki version: ' . getVersion(), 1);
}
if (version_compare(phpversion(), '5.2.0', '<')) {
msg('Your PHP version is too old (' . phpversion() . ' vs. 5.2.0+ needed)', -1);
} else {
msg('PHP version ' . phpversion(), 1);
}
$mem = (int) php_to_byte(ini_get('memory_limit'));
if ($mem) {
if ($mem < 16777216) {
msg('PHP is limited to less than 16MB RAM (' . $mem . ' bytes). Increase memory_limit in php.ini', -1);
} elseif ($mem < 20971520) {
msg('PHP is limited to less than 20MB RAM (' . $mem . ' bytes), you might encounter problems with bigger pages. Increase memory_limit in php.ini', -1);
} elseif ($mem < 33554432) {
msg('PHP is limited to less than 32MB RAM (' . $mem . ' bytes), but that should be enough in most cases. If not, increase memory_limit in php.ini', 0);
} else {
msg('More than 32MB RAM (' . $mem . ' bytes) available.', 1);
}
}
if (is_writable($conf['changelog'])) {
msg('Changelog is writable', 1);
} else {
if (@file_exists($conf['changelog'])) {
msg('Changelog is not writable', -1);
}
}
if (isset($conf['changelog_old']) && @file_exists($conf['changelog_old'])) {
msg('Old changelog exists', 0);
}
if (@file_exists($conf['changelog'] . '_failed')) {
msg('Importing old changelog failed', -1);
} else {
if (@file_exists($conf['changelog'] . '_importing')) {
msg('Importing old changelog now.', 0);
} else {
if (@file_exists($conf['changelog'] . '_import_ok')) {
msg('Old changelog imported', 1);
if (!plugin_isdisabled('importoldchangelog')) {
msg('Importoldchangelog plugin not disabled after import', -1);
}
}
}
}
if (is_writable(DOKU_CONF)) {
msg('conf directory is writable', 1);
} else {
msg('conf directory is not writable', -1);
}
if ($conf['authtype'] == 'plain') {
global $config_cascade;
if (is_writable($config_cascade['plainauth.users']['default'])) {
msg('conf/users.auth.php is writable', 1);
} else {
msg('conf/users.auth.php is not writable', 0);
}
}
if (function_exists('mb_strpos')) {
if (defined('UTF8_NOMBSTRING')) {
msg('mb_string extension is available but will not be used', 0);
} else {
msg('mb_string extension is available and will be used', 1);
if (ini_get('mbstring.func_overload') != 0) {
msg('mb_string function overloading is enabled, this will cause problems and should be disabled', -1);
}
}
} else {
msg('mb_string extension not available - PHP only replacements will be used', 0);
}
if (!UTF8_PREGSUPPORT) {
msg('PHP is missing UTF-8 support in Perl-Compatible Regular Expressions (PCRE)', -1);
}
if (!UTF8_PROPERTYSUPPORT) {
msg('PHP is missing Unicode properties support in Perl-Compatible Regular Expressions (PCRE)', -1);
}
$loc = setlocale(LC_ALL, 0);
if (!$loc) {
msg('No valid locale is set for your PHP setup. You should fix this', -1);
} elseif (stripos($loc, 'utf') === false) {
msg('Your locale <code>' . hsc($loc) . '</code> seems not to be a UTF-8 locale, you should fix this if you encounter problems.', 0);
} else {
msg('Valid locale ' . hsc($loc) . ' found.', 1);
}
if ($conf['allowdebug']) {
msg('Debugging support is enabled. If you don\'t need it you should set $conf[\'allowdebug\'] = 0', -1);
} else {
msg('Debugging support is disabled', 1);
}
if ($INFO['userinfo']['name']) {
msg('You are currently logged in as ' . $_SERVER['REMOTE_USER'] . ' (' . $INFO['userinfo']['name'] . ')', 0);
msg('You are part of the groups ' . join($INFO['userinfo']['grps'], ', '), 0);
} else {
msg('You are currently not logged in', 0);
}
msg('Your current permission for this page is ' . $INFO['perm'], 0);
if (is_writable($INFO['filepath'])) {
msg('The current page is writable by the webserver', 0);
} else {
msg('The current page is not writable by the webserver', 0);
}
if ($INFO['writable']) {
msg('The current page is writable by you', 0);
} else {
msg('The current page is not writable by you', 0);
}
// Check for corrupted search index
$lengths = idx_listIndexLengths();
$index_corrupted = false;
foreach ($lengths as $length) {
if (count(idx_getIndex('w', $length)) != count(idx_getIndex('i', $length))) {
$index_corrupted = true;
break;
}
}
foreach (idx_getIndex('metadata', '') as $index) {
if (count(idx_getIndex($index . '_w', '')) != count(idx_getIndex($index . '_i', ''))) {
$index_corrupted = true;
break;
}
}
if ($index_corrupted) {
msg('The search index is corrupted. It might produce wrong results and most
probably needs to be rebuilt. See
<a href="http://www.dokuwiki.org/faq:searchindex">faq:searchindex</a>
for ways to rebuild the search index.', -1);
} elseif (!empty($lengths)) {
msg('The search index seems to be working', 1);
} else {
msg('The search index is empty. See
<a href="http://www.dokuwiki.org/faq:searchindex">faq:searchindex</a>
for help on how to fix the search index. If the default indexer
isn\'t used or the wiki is actually empty this is normal.');
}
}
/**
* Get the word lengths that have been indexed.
*
* Reads the index directory and returns an array of lengths
* that there are indices for.
*
* @author YoBoY <*****@*****.**>
*/
protected function indexLengths($filter)
{
global $conf;
$idx = array();
if (is_array($filter)) {
// testing if index files exist only
$path = $conf['indexdir'] . "/i";
foreach ($filter as $key => $value) {
if (@file_exists($path . $key . '.idx')) {
$idx[] = $key;
}
}
} else {
$lengths = idx_listIndexLengths();
foreach ($lengths as $key => $length) {
// keep all the values equal or superior
if ((int) $length >= (int) $filter) {
$idx[] = $length;
}
}
}
return $idx;
}
/**
* Run a few sanity checks
*
* @author Andreas Gohr <*****@*****.**>
*/
function check()
{
global $conf;
global $INFO;
if ($INFO['isadmin'] || $INFO['ismanager']) {
msg('DokuWiki version: ' . getVersion(), 1);
}
if (version_compare(phpversion(), '5.1.2', '<')) {
msg('Your PHP version is too old (' . phpversion() . ' vs. 5.1.2+ needed)', -1);
} else {
msg('PHP version ' . phpversion(), 1);
}
$mem = (int) php_to_byte(ini_get('memory_limit'));
if ($mem) {
if ($mem < 16777216) {
msg('PHP is limited to less than 16MB RAM (' . $mem . ' bytes). Increase memory_limit in php.ini', -1);
} elseif ($mem < 20971520) {
msg('PHP is limited to less than 20MB RAM (' . $mem . ' bytes), you might encounter problems with bigger pages. Increase memory_limit in php.ini', -1);
} elseif ($mem < 33554432) {
msg('PHP is limited to less than 32MB RAM (' . $mem . ' bytes), but that should be enough in most cases. If not, increase memory_limit in php.ini', 0);
} else {
msg('More than 32MB RAM (' . $mem . ' bytes) available.', 1);
}
}
if (is_writable($conf['changelog'])) {
msg('Changelog is writable', 1);
} else {
if (@file_exists($conf['changelog'])) {
msg('Changelog is not writable', -1);
}
}
if (isset($conf['changelog_old']) && @file_exists($conf['changelog_old'])) {
msg('Old changelog exists', 0);
}
if (@file_exists($conf['changelog'] . '_failed')) {
msg('Importing old changelog failed', -1);
} else {
if (@file_exists($conf['changelog'] . '_importing')) {
msg('Importing old changelog now.', 0);
} else {
if (@file_exists($conf['changelog'] . '_import_ok')) {
msg('Old changelog imported', 1);
if (!plugin_isdisabled('importoldchangelog')) {
msg('Importoldchangelog plugin not disabled after import', -1);
}
}
}
}
if (is_writable($conf['datadir'])) {
msg('Datadir is writable', 1);
} else {
msg('Datadir is not writable', -1);
}
if (is_writable($conf['olddir'])) {
msg('Attic is writable', 1);
} else {
msg('Attic is not writable', -1);
}
if (is_writable($conf['mediadir'])) {
msg('Mediadir is writable', 1);
} else {
msg('Mediadir is not writable', -1);
}
if (is_writable($conf['cachedir'])) {
msg('Cachedir is writable', 1);
} else {
msg('Cachedir is not writable', -1);
}
if (is_writable($conf['lockdir'])) {
msg('Lockdir is writable', 1);
} else {
msg('Lockdir is not writable', -1);
}
if (is_writable(DOKU_CONF)) {
msg('conf directory is writable', 1);
} else {
msg('conf directory is not writable', -1);
}
if ($conf['authtype'] == 'plain') {
global $config_cascade;
if (is_writable($config_cascade['plainauth.users']['default'])) {
msg('conf/users.auth.php is writable', 1);
} else {
msg('conf/users.auth.php is not writable', 0);
}
}
if (function_exists('mb_strpos')) {
if (defined('UTF8_NOMBSTRING')) {
msg('mb_string extension is available but will not be used', 0);
} else {
msg('mb_string extension is available and will be used', 1);
if (ini_get('mbstring.func_overload') != 0) {
msg('mb_string function overloading is enabled, this will cause problems and should be disabled', -1);
}
}
} else {
msg('mb_string extension not available - PHP only replacements will be used', 0);
}
if ($conf['allowdebug']) {
msg('Debugging support is enabled. If you don\'t need it you should set $conf[\'allowdebug\'] = 0', -1);
} else {
msg('Debugging support is disabled', 1);
}
if ($INFO['userinfo']['name']) {
msg('You are currently logged in as ' . $_SERVER['REMOTE_USER'] . ' (' . $INFO['userinfo']['name'] . ')', 0);
msg('You are part of the groups ' . join($INFO['userinfo']['grps'], ', '), 0);
} else {
msg('You are currently not logged in', 0);
}
msg('Your current permission for this page is ' . $INFO['perm'], 0);
if (is_writable($INFO['filepath'])) {
msg('The current page is writable by the webserver', 0);
} else {
msg('The current page is not writable by the webserver', 0);
}
if ($INFO['writable']) {
msg('The current page is writable by you', 0);
} else {
msg('The current page is not writable by you', 0);
}
$check = wl('', '', true) . 'data/_dummy';
$http = new DokuHTTPClient();
$http->timeout = 6;
$res = $http->get($check);
if (strpos($res, 'data directory') !== false) {
msg('It seems like the data directory is accessible from the web.
Make sure this directory is properly protected
(See <a href="http://www.dokuwiki.org/security">security</a>)', -1);
} elseif ($http->status == 404 || $http->status == 403) {
msg('The data directory seems to be properly protected', 1);
} else {
msg('Failed to check if the data directory is accessible from the web.
Make sure this directory is properly protected
(See <a href="http://www.dokuwiki.org/security">security</a>)', -1);
}
// Check for corrupted search index
$lengths = idx_listIndexLengths();
$index_corrupted = false;
foreach ($lengths as $length) {
if (count(idx_getIndex('w', $length)) != count(idx_getIndex('i', $length))) {
$index_corrupted = true;
break;
}
}
foreach (idx_getIndex('metadata', '') as $index) {
if (count(idx_getIndex($index . '_w', '')) != count(idx_getIndex($index . '_i', ''))) {
$index_corrupted = true;
break;
}
}
if ($index_corrupted) {
msg('The search index is corrupted. It might produce wrong results and most
probably needs to be rebuilt. See
<a href="http://www.dokuwiki.org/faq:searchindex">faq:searchindex</a>
for ways to rebuild the search index.', -1);
} elseif (!empty($lengths)) {
msg('The search index seems to be working', 1);
} else {
msg('The search index is empty. See
<a href="http://www.dokuwiki.org/faq:searchindex">faq:searchindex</a>
for help on how to fix the search index. If the default indexer
isn\'t used or the wiki is actually empty this is normal.');
}
}
