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<?php |
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/** |
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* Information and debugging functions |
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* |
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* @license GPL 2 (http://www.gnu.org/licenses/gpl.html) |
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* @author Andreas Gohr <[email protected]> |
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*/ |
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use dokuwiki\HTTP\DokuHTTPClient; |
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use dokuwiki\Logger; |
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if(!defined('DOKU_MESSAGEURL')){ |
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if(in_array('ssl', stream_get_transports())) { |
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define('DOKU_MESSAGEURL','https://update.dokuwiki.org/check/'); |
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}else{ |
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define('DOKU_MESSAGEURL','http://update.dokuwiki.org/check/'); |
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} |
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} |
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/** |
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* Check for new messages from upstream |
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* |
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* @author Andreas Gohr <[email protected]> |
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*/ |
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function checkUpdateMessages(){ |
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global $conf; |
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global $INFO; |
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global $updateVersion; |
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if(!$conf['updatecheck']) return; |
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if($conf['useacl'] && !$INFO['ismanager']) return; |
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$cf = getCacheName($updateVersion, '.updmsg'); |
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$lm = @filemtime($cf); |
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$is_http = substr(DOKU_MESSAGEURL, 0, 5) != 'https'; |
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// check if new messages needs to be fetched |
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if($lm < time()-(60*60*24) || $lm < @filemtime(DOKU_INC.DOKU_SCRIPT)){ |
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@touch($cf); |
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Logger::debug("checkUpdateMessages(): downloading messages to ".$cf.($is_http?' (without SSL)':' (with SSL)')); |
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$http = new DokuHTTPClient(); |
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$http->timeout = 12; |
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$resp = $http->get(DOKU_MESSAGEURL.$updateVersion); |
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if(is_string($resp) && ($resp == "" || substr(trim($resp), -1) == '%')) { |
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// basic sanity check that this is either an empty string response (ie "no messages") |
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// or it looks like one of our messages, not WiFi login or other interposed response |
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io_saveFile($cf,$resp); |
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} else { |
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Logger::debug("checkUpdateMessages(): unexpected HTTP response received", $http->error); |
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} |
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}else{ |
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Logger::debug("checkUpdateMessages(): messages up to date"); |
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} |
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$data = io_readFile($cf); |
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// show messages through the usual message mechanism |
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$msgs = explode("\n%\n",$data); |
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foreach($msgs as $msg){ |
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if($msg) msg($msg,2); |
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} |
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} |
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/** |
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* Return DokuWiki's version (split up in date and type) |
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* |
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* @author Andreas Gohr <[email protected]> |
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*/ |
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function getVersionData(){ |
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$version = array(); |
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//import version string |
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if(file_exists(DOKU_INC.'VERSION')){ |
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//official release |
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$version['date'] = trim(io_readFile(DOKU_INC.'VERSION')); |
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$version['type'] = 'Release'; |
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}elseif(is_dir(DOKU_INC.'.git')){ |
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$version['type'] = 'Git'; |
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$version['date'] = 'unknown'; |
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if ($date = shell_exec("git log -1 --pretty=format:'%cd' --date=short")) { |
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$version['date'] = hsc($date); |
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} else if (file_exists(DOKU_INC . '.git/HEAD')) { |
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// we cannot use git on the shell -- let's do it manually! |
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$headCommit = trim(file_get_contents(DOKU_INC . '.git/HEAD')); |
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if (strpos($headCommit, 'ref: ') === 0) { |
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// it is something like `ref: refs/heads/master` |
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$pathToHead = substr($headCommit, 5); |
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$headCommit = trim(file_get_contents(DOKU_INC . '.git/' . $pathToHead)); |
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} |
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$subDir = substr($headCommit, 0, 2); |
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$fileName = substr($headCommit, 2); |
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$gitCommitObject = DOKU_INC . ".git/objects/$subDir/$fileName"; |
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if (file_exists($gitCommitObject) && method_exists(zlib_decode)) { |
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$commit = zlib_decode(file_get_contents($gitCommitObject)); |
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$committerLine = explode("\n", $commit)[3]; |
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$committerData = explode(' ', $committerLine); |
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end($committerData); |
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$ts = prev($committerData); |
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if ($ts && $date = date('Y-m-d', $ts)) { |
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$version['date'] = $date; |
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} |
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} |
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} |
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}else{ |
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global $updateVersion; |
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$version['date'] = 'update version '.$updateVersion; |
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$version['type'] = 'snapshot?'; |
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} |
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return $version; |
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} |
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/** |
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* Return DokuWiki's version (as a string) |
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* |
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* @author Anika Henke <[email protected]> |
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*/ |
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function getVersion(){ |
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$version = getVersionData(); |
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return $version['type'].' '.$version['date']; |
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} |
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/** |
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* Run a few sanity checks |
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* |
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* @author Andreas Gohr <[email protected]> |
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*/ |
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function check(){ |
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global $conf; |
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global $INFO; |
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/* @var Input $INPUT */ |
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global $INPUT; |
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if ($INFO['isadmin'] || $INFO['ismanager']){ |
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msg('DokuWiki version: '.getVersion(),1); |
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if(version_compare(phpversion(),'7.2.0','<')){ |
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msg('Your PHP version is too old ('.phpversion().' vs. 7.2+ needed)',-1); |
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}else{ |
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msg('PHP version '.phpversion(),1); |
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} |
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} else { |
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if(version_compare(phpversion(),'7.2.0','<')){ |
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msg('Your PHP version is too old',-1); |
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} |
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} |
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$mem = (int) php_to_byte(ini_get('memory_limit')); |
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if($mem){ |
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if ($mem === -1) { |
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msg('PHP memory is unlimited', 1); |
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} else if ($mem < 16777216) { |
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msg('PHP is limited to less than 16MB RAM (' . filesize_h($mem) . '). |
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Increase memory_limit in php.ini', -1); |
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} else if ($mem < 20971520) { |
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msg('PHP is limited to less than 20MB RAM (' . filesize_h($mem) . '), |
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you might encounter problems with bigger pages. Increase memory_limit in php.ini', -1); |
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} else if ($mem < 33554432) { |
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msg('PHP is limited to less than 32MB RAM (' . filesize_h($mem) . '), |
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but that should be enough in most cases. If not, increase memory_limit in php.ini', 0); |
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} else { |
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msg('More than 32MB RAM (' . filesize_h($mem) . ') available.', 1); |
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} |
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} |
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if(is_writable($conf['changelog'])){ |
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msg('Changelog is writable',1); |
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}else{ |
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if (file_exists($conf['changelog'])) { |
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msg('Changelog is not writable',-1); |
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} |
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} |
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if (isset($conf['changelog_old']) && file_exists($conf['changelog_old'])) { |
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msg('Old changelog exists', 0); |
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} |
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if (file_exists($conf['changelog'].'_failed')) { |
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msg('Importing old changelog failed', -1); |
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} else if (file_exists($conf['changelog'].'_importing')) { |
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msg('Importing old changelog now.', 0); |
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} else if (file_exists($conf['changelog'].'_import_ok')) { |
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msg('Old changelog imported', 1); |
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if (!plugin_isdisabled('importoldchangelog')) { |
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msg('Importoldchangelog plugin not disabled after import', -1); |
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} |
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} |
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if(is_writable(DOKU_CONF)){ |
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msg('conf directory is writable',1); |
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}else{ |
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msg('conf directory is not writable',-1); |
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} |
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if($conf['authtype'] == 'plain'){ |
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global $config_cascade; |
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if(is_writable($config_cascade['plainauth.users']['default'])){ |
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msg('conf/users.auth.php is writable',1); |
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}else{ |
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msg('conf/users.auth.php is not writable',0); |
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} |
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} |
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if(function_exists('mb_strpos')){ |
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if(defined('UTF8_NOMBSTRING')){ |
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msg('mb_string extension is available but will not be used',0); |
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}else{ |
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msg('mb_string extension is available and will be used',1); |
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if(ini_get('mbstring.func_overload') != 0){ |
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msg('mb_string function overloading is enabled, this will cause problems and should be disabled',-1); |
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} |
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} |
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}else{ |
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msg('mb_string extension not available - PHP only replacements will be used',0); |
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} |
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if (!UTF8_PREGSUPPORT) { |
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msg('PHP is missing UTF-8 support in Perl-Compatible Regular Expressions (PCRE)', -1); |
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} |
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if (!UTF8_PROPERTYSUPPORT) { |
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msg('PHP is missing Unicode properties support in Perl-Compatible Regular Expressions (PCRE)', -1); |
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} |
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$loc = setlocale(LC_ALL, 0); |
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if(!$loc){ |
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msg('No valid locale is set for your PHP setup. You should fix this',-1); |
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}elseif(stripos($loc,'utf') === false){ |
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msg('Your locale <code>'.hsc($loc).'</code> seems not to be a UTF-8 locale, |
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you should fix this if you encounter problems.',0); |
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}else{ |
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msg('Valid locale '.hsc($loc).' found.', 1); |
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} |
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if($conf['allowdebug']){ |
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msg('Debugging support is enabled. If you don\'t need it you should set $conf[\'allowdebug\'] = 0',-1); |
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}else{ |
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msg('Debugging support is disabled',1); |
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} |
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if($INFO['userinfo']['name']){ |
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msg('You are currently logged in as '.$INPUT->server->str('REMOTE_USER').' ('.$INFO['userinfo']['name'].')',0); |
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msg('You are part of the groups '.implode(', ', $INFO['userinfo']['grps']),0); |
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}else{ |
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msg('You are currently not logged in',0); |
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} |
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msg('Your current permission for this page is '.$INFO['perm'],0); |
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if (file_exists($INFO['filepath']) && is_writable($INFO['filepath'])) { |
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msg('The current page is writable by the webserver', 1); |
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} elseif (!file_exists($INFO['filepath']) && is_writable(dirname($INFO['filepath']))) { |
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msg('The current page can be created by the webserver', 1); |
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} else { |
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msg('The current page is not writable by the webserver', -1); |
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} |
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254
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255
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if ($INFO['writable']) { |
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256
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msg('The current page is writable by you', 1); |
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} else { |
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msg('The current page is not writable by you', -1); |
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} |
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260
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261
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// Check for corrupted search index |
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262
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$lengths = idx_listIndexLengths(); |
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263
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$index_corrupted = false; |
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264
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foreach ($lengths as $length) { |
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265
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if (count(idx_getIndex('w', $length)) != count(idx_getIndex('i', $length))) { |
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$index_corrupted = true; |
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break; |
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} |
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269
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} |
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270
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271
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foreach (idx_getIndex('metadata', '') as $index) { |
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if (count(idx_getIndex($index.'_w', '')) != count(idx_getIndex($index.'_i', ''))) { |
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273
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$index_corrupted = true; |
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274
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break; |
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275
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} |
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276
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} |
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277
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278
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if($index_corrupted) { |
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msg( |
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'The search index is corrupted. It might produce wrong results and most |
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281
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probably needs to be rebuilt. See |
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282
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<a href="http://www.dokuwiki.org/faq:searchindex">faq:searchindex</a> |
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283
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for ways to rebuild the search index.', -1 |
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284
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); |
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285
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} elseif(!empty($lengths)) { |
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286
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msg('The search index seems to be working', 1); |
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287
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} else { |
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288
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msg( |
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'The search index is empty. See |
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290
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<a href="http://www.dokuwiki.org/faq:searchindex">faq:searchindex</a> |
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291
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for help on how to fix the search index. If the default indexer |
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292
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isn\'t used or the wiki is actually empty this is normal.' |
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293
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); |
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294
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} |
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295
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296
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// rough time check |
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297
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$http = new DokuHTTPClient(); |
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298
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$http->max_redirect = 0; |
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299
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$http->timeout = 3; |
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300
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$http->sendRequest('http://www.dokuwiki.org', '', 'HEAD'); |
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301
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$now = time(); |
|
302
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|
|
if(isset($http->resp_headers['date'])) { |
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303
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|
$time = strtotime($http->resp_headers['date']); |
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304
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$diff = $time - $now; |
|
305
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|
|
306
|
|
|
if(abs($diff) < 4) { |
|
307
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msg("Server time seems to be okay. Diff: {$diff}s", 1); |
|
308
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} else { |
|
309
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msg("Your server's clock seems to be out of sync! |
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310
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|
|
Consider configuring a sync with a NTP server. Diff: {$diff}s"); |
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311
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} |
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312
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} |
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313
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|
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|
|
314
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|
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} |
|
315
|
|
|
|
|
316
|
|
|
/** |
|
317
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|
|
* Display a message to the user |
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318
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|
|
* |
|
319
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|
|
* If HTTP headers were not sent yet the message is added |
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320
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|
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* to the global message array else it's printed directly |
|
321
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|
|
* using html_msgarea() |
|
322
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|
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* |
|
323
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|
|
* Triggers INFOUTIL_MSG_SHOW |
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324
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|
|
* |
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325
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|
|
* @see html_msgarea() |
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326
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|
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* @param string $message |
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327
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|
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* @param int $lvl -1 = error, 0 = info, 1 = success, 2 = notify |
|
328
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|
|
* @param string $line line number |
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329
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|
|
* @param string $file file number |
|
330
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|
|
* @param int $allow who's allowed to see the message, see MSG_* constants |
|
331
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|
|
*/ |
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332
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|
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function msg($message,$lvl=0,$line='',$file='',$allow=MSG_PUBLIC){ |
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333
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|
global $MSG, $MSG_shown; |
|
334
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|
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static $errors = [ |
|
335
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|
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-1 => 'error', |
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336
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|
|
0 => 'info', |
|
337
|
|
|
1 => 'success', |
|
338
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|
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2 => 'notify', |
|
339
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|
|
]; |
|
340
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|
|
341
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|
|
$msgdata = [ |
|
342
|
|
|
'msg' => $message, |
|
343
|
|
|
'lvl' => $errors[$lvl], |
|
344
|
|
|
'allow' => $allow, |
|
345
|
|
|
'line' => $line, |
|
346
|
|
|
'file' => $file, |
|
347
|
|
|
]; |
|
348
|
|
|
|
|
349
|
|
|
$evt = new \dokuwiki\Extension\Event('INFOUTIL_MSG_SHOW', $msgdata); |
|
350
|
|
|
if ($evt->advise_before()) { |
|
351
|
|
|
/* Show msg normally - event could suppress message show */ |
|
352
|
|
|
if($msgdata['line'] || $msgdata['file']) { |
|
353
|
|
|
$basename = \dokuwiki\Utf8\PhpString::basename($msgdata['file']); |
|
354
|
|
|
$msgdata['msg'] .=' ['.$basename.':'.$msgdata['line'].']'; |
|
355
|
|
|
} |
|
356
|
|
|
|
|
357
|
|
|
if(!isset($MSG)) $MSG = array(); |
|
358
|
|
|
$MSG[] = $msgdata; |
|
359
|
|
|
if(isset($MSG_shown) || headers_sent()){ |
|
360
|
|
|
if(function_exists('html_msgarea')){ |
|
361
|
|
|
html_msgarea(); |
|
362
|
|
|
}else{ |
|
363
|
|
|
print "ERROR(".$msgdata['lvl'].") ".$msgdata['msg']."\n"; |
|
364
|
|
|
} |
|
365
|
|
|
unset($GLOBALS['MSG']); |
|
366
|
|
|
} |
|
367
|
|
|
} |
|
368
|
|
|
$evt->advise_after(); |
|
369
|
|
|
unset($evt); |
|
370
|
|
|
} |
|
371
|
|
|
/** |
|
372
|
|
|
* Determine whether the current user is allowed to view the message |
|
373
|
|
|
* in the $msg data structure |
|
374
|
|
|
* |
|
375
|
|
|
* @param $msg array dokuwiki msg structure |
|
376
|
|
|
* msg => string, the message |
|
377
|
|
|
* lvl => int, level of the message (see msg() function) |
|
378
|
|
|
* allow => int, flag used to determine who is allowed to see the message |
|
379
|
|
|
* see MSG_* constants |
|
380
|
|
|
* @return bool |
|
381
|
|
|
*/ |
|
382
|
|
|
function info_msg_allowed($msg){ |
|
383
|
|
|
global $INFO, $auth; |
|
384
|
|
|
|
|
385
|
|
|
// is the message public? - everyone and anyone can see it |
|
386
|
|
|
if (empty($msg['allow']) || ($msg['allow'] == MSG_PUBLIC)) return true; |
|
387
|
|
|
|
|
388
|
|
|
// restricted msg, but no authentication |
|
389
|
|
|
if (empty($auth)) return false; |
|
390
|
|
|
|
|
391
|
|
|
switch ($msg['allow']){ |
|
392
|
|
|
case MSG_USERS_ONLY: |
|
393
|
|
|
return !empty($INFO['userinfo']); |
|
394
|
|
|
|
|
395
|
|
|
case MSG_MANAGERS_ONLY: |
|
396
|
|
|
return $INFO['ismanager']; |
|
397
|
|
|
|
|
398
|
|
|
case MSG_ADMINS_ONLY: |
|
399
|
|
|
return $INFO['isadmin']; |
|
400
|
|
|
|
|
401
|
|
|
default: |
|
402
|
|
|
trigger_error('invalid msg allow restriction. msg="'.$msg['msg'].'" allow='.$msg['allow'].'"', |
|
403
|
|
|
E_USER_WARNING); |
|
404
|
|
|
return $INFO['isadmin']; |
|
405
|
|
|
} |
|
406
|
|
|
|
|
407
|
|
|
return false; |
|
|
|
|
|
|
408
|
|
|
} |
|
409
|
|
|
|
|
410
|
|
|
/** |
|
411
|
|
|
* print debug messages |
|
412
|
|
|
* |
|
413
|
|
|
* little function to print the content of a var |
|
414
|
|
|
* |
|
415
|
|
|
* @author Andreas Gohr <[email protected]> |
|
416
|
|
|
* |
|
417
|
|
|
* @param string $msg |
|
418
|
|
|
* @param bool $hidden |
|
419
|
|
|
*/ |
|
420
|
|
|
function dbg($msg,$hidden=false){ |
|
421
|
|
|
if($hidden){ |
|
422
|
|
|
echo "<!--\n"; |
|
423
|
|
|
print_r($msg); |
|
424
|
|
|
echo "\n-->"; |
|
425
|
|
|
}else{ |
|
426
|
|
|
echo '<pre class="dbg">'; |
|
427
|
|
|
echo hsc(print_r($msg,true)); |
|
428
|
|
|
echo '</pre>'; |
|
429
|
|
|
} |
|
430
|
|
|
} |
|
431
|
|
|
|
|
432
|
|
|
/** |
|
433
|
|
|
* Print info to debug log file |
|
434
|
|
|
* |
|
435
|
|
|
* @author Andreas Gohr <[email protected]> |
|
436
|
|
|
* @deprecated 2020-08-13 |
|
437
|
|
|
* @param string $msg |
|
438
|
|
|
* @param string $header |
|
439
|
|
|
*/ |
|
440
|
|
|
function dbglog($msg,$header=''){ |
|
441
|
|
|
dbg_deprecated('\\dokuwiki\\Logger'); |
|
442
|
|
|
|
|
443
|
|
|
// was the msg as single line string? use it as header |
|
444
|
|
|
if($header === '' && is_string($msg) && strpos($msg, "\n") === false) { |
|
445
|
|
|
$header = $msg; |
|
446
|
|
|
$msg = ''; |
|
447
|
|
|
} |
|
448
|
|
|
|
|
449
|
|
|
Logger::getInstance(Logger::LOG_DEBUG)->log( |
|
450
|
|
|
$header, $msg |
|
451
|
|
|
); |
|
452
|
|
|
} |
|
453
|
|
|
|
|
454
|
|
|
/** |
|
455
|
|
|
* Log accesses to deprecated fucntions to the debug log |
|
456
|
|
|
* |
|
457
|
|
|
* @param string $alternative The function or method that should be used instead |
|
458
|
|
|
* @triggers INFO_DEPRECATION_LOG |
|
459
|
|
|
*/ |
|
460
|
|
|
function dbg_deprecated($alternative = '') { |
|
461
|
|
|
\dokuwiki\Debug\DebugHelper::dbgDeprecatedFunction($alternative, 2); |
|
462
|
|
|
} |
|
463
|
|
|
|
|
464
|
|
|
/** |
|
465
|
|
|
* Print a reversed, prettyprinted backtrace |
|
466
|
|
|
* |
|
467
|
|
|
* @author Gary Owen <[email protected]> |
|
468
|
|
|
*/ |
|
469
|
|
|
function dbg_backtrace(){ |
|
470
|
|
|
// Get backtrace |
|
471
|
|
|
$backtrace = debug_backtrace(); |
|
472
|
|
|
|
|
473
|
|
|
// Unset call to debug_print_backtrace |
|
474
|
|
|
array_shift($backtrace); |
|
475
|
|
|
|
|
476
|
|
|
// Iterate backtrace |
|
477
|
|
|
$calls = array(); |
|
478
|
|
|
$depth = count($backtrace) - 1; |
|
479
|
|
|
foreach ($backtrace as $i => $call) { |
|
480
|
|
|
$location = $call['file'] . ':' . $call['line']; |
|
481
|
|
|
$function = (isset($call['class'])) ? |
|
482
|
|
|
$call['class'] . $call['type'] . $call['function'] : $call['function']; |
|
483
|
|
|
|
|
484
|
|
|
$params = array(); |
|
485
|
|
|
if (isset($call['args'])){ |
|
486
|
|
|
foreach($call['args'] as $arg){ |
|
487
|
|
|
if(is_object($arg)){ |
|
488
|
|
|
$params[] = '[Object '.get_class($arg).']'; |
|
489
|
|
|
}elseif(is_array($arg)){ |
|
490
|
|
|
$params[] = '[Array]'; |
|
491
|
|
|
}elseif(is_null($arg)){ |
|
492
|
|
|
$params[] = '[NULL]'; |
|
493
|
|
|
}else{ |
|
494
|
|
|
$params[] = (string) '"'.$arg.'"'; |
|
495
|
|
|
} |
|
496
|
|
|
} |
|
497
|
|
|
} |
|
498
|
|
|
$params = implode(', ',$params); |
|
499
|
|
|
|
|
500
|
|
|
$calls[$depth - $i] = sprintf('%s(%s) called at %s', |
|
501
|
|
|
$function, |
|
502
|
|
|
str_replace("\n", '\n', $params), |
|
503
|
|
|
$location); |
|
504
|
|
|
} |
|
505
|
|
|
ksort($calls); |
|
506
|
|
|
|
|
507
|
|
|
return implode("\n", $calls); |
|
508
|
|
|
} |
|
509
|
|
|
|
|
510
|
|
|
/** |
|
511
|
|
|
* Remove all data from an array where the key seems to point to sensitive data |
|
512
|
|
|
* |
|
513
|
|
|
* This is used to remove passwords, mail addresses and similar data from the |
|
514
|
|
|
* debug output |
|
515
|
|
|
* |
|
516
|
|
|
* @author Andreas Gohr <[email protected]> |
|
517
|
|
|
* |
|
518
|
|
|
* @param array $data |
|
519
|
|
|
*/ |
|
520
|
|
|
function debug_guard(&$data){ |
|
521
|
|
|
foreach($data as $key => $value){ |
|
522
|
|
|
if(preg_match('/(notify|pass|auth|secret|ftp|userinfo|token|buid|mail|proxy)/i',$key)){ |
|
523
|
|
|
$data[$key] = '***'; |
|
524
|
|
|
continue; |
|
525
|
|
|
} |
|
526
|
|
|
if(is_array($value)) debug_guard($data[$key]); |
|
527
|
|
|
} |
|
528
|
|
|
} |
|
529
|
|
|
|
splitbrain /
dokuwiki
Loading history...
Let’s assume that you have a directory layout like this:
. |-- OtherDir | |-- Bar.php | `-- Foo.php `-- SomeDir `-- Foo.phpand let’s assume the following content of
Bar.php:If both files
OtherDir/Foo.phpandSomeDir/Foo.phpare loaded in the same runtime, you will see a PHP error such as the following:PHP Fatal error: Cannot use SomeDir\Foo as Foo because the name is already in use in OtherDir/Foo.phpHowever, as
OtherDir/Foo.phpdoes not necessarily have to be loaded and the error is only triggered if it is loaded beforeOtherDir/Bar.php, this problem might go unnoticed for a while. In order to prevent this error from surfacing, you must import the namespace with a different alias: