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| -rw-r--r-- | plugins/dokuwiki/inc/infoutils.php | 249 |
diff --git a/plugins/dokuwiki/inc/infoutils.php b/plugins/dokuwiki/inc/infoutils.php new file mode 100644 index 0000000..780a468 --- /dev/null +++ b/plugins/dokuwiki/inc/infoutils.php @@ -0,0 +1,249 @@ +<?php +/** + * Information and debugging functions + * + * @license GPL 2 (http://www.gnu.org/licenses/gpl.html) + * @author Andreas Gohr <andi@splitbrain.org> + */ +if(!defined('DOKU_INC')) define('DOKU_INC',realpath(dirname(__FILE__).'/../').'/'); +if(!defined('DOKU_MESSAGEURL')) define('DOKU_MESSAGEURL','http://update.dokuwiki.org/check/'); +require_once(DOKU_INC.'inc/HTTPClient.php'); + +/** + * Check for new messages from upstream + * + * @author Andreas Gohr <andi@splitbrain.org> + */ +function checkUpdateMessages(){ + global $conf; + global $INFO; + if(!$conf['updatecheck']) return; + if($conf['useacl'] && $INFO['perm'] < AUTH_ADMIN) return; + + $cf = $conf['cachedir'].'/messages.txt'; + $lm = @filemtime($cf); + + // check if new messages needs to be fetched + if($lm < time()-(60*60*24) || $lm < @filemtime(DOKU_CONF.'msg')){ + $num = @file(DOKU_CONF.'msg'); + $num = is_array($num) ? (int) $num[0] : 0; + $http = new DokuHTTPClient(); + $http->timeout = 8; + $data = $http->get(DOKU_MESSAGEURL.$num); + io_saveFile($cf,$data); + }else{ + $data = io_readFile($cf); + } + + // show messages through the usual message mechanism + $msgs = explode("\n%\n",$data); + foreach($msgs as $msg){ + if($msg) msg($msg,2); + } +} + + +/** + * Return DokuWikis version + * + * @author Andreas Gohr <andi@splitbrain.org> + */ +function getVersion(){ + //import version string + if(@file_exists('VERSION')){ + //official release + return 'Release '.trim(io_readfile(DOKU_INC.'/VERSION')); + }elseif(is_dir('_darcs')){ + //darcs checkout - read last 2000 bytes of inventory + $sz = filesize('_darcs/inventory'); + $seek = max(0,$sz-2000); + $fh = fopen('_darcs/inventory','rb'); + fseek($fh,$seek); + $chunk = fread($fh,2000); + fclose($fh); + $inv = preg_grep('#\*\*\d{14}[\]$]#',explode("\n",$chunk)); + $cur = array_pop($inv); + preg_match('#\*\*(\d{4})(\d{2})(\d{2})#',$cur,$matches); + return 'Darcs '.$matches[1].'-'.$matches[2].'-'.$matches[3]; + }else{ + return 'snapshot?'; + } +} + +/** + * Run a few sanity checks + * + * @author Andreas Gohr <andi@splitbrain.org> + */ +function check(){ + global $conf; + global $INFO; + + msg('DokuWiki version: '.getVersion(),1); + + if(version_compare(phpversion(),'4.3.3','<')){ + msg('Your PHP version is too old ('.phpversion().' vs. 4.3.3+ recommended)',-1); + }elseif(version_compare(phpversion(),'4.3.10','<')){ + msg('Consider upgrading PHP to 4.3.10 or higher for security reasons (your version: '.phpversion().')',0); + }else{ + msg('PHP version '.phpversion(),1); + } + + if(is_writable($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($conf['lockdir'])){ + msg('Lockdir is writable',1); + }else{ + msg('Lockdir is not writable',-1); + } + + if(is_writable(DOKU_CONF.'users.auth.php')){ + msg('conf/users.auth.php is writable',1); + }else{ + msg('conf/users.auth.php is not writable',0); + } + + if(function_exists('mb_strpos')){ + if(defined('UTF8_NOMBSTRING')){ + msg('mb_string extension is available but will not be used',0); + }else{ + msg('mb_string extension is available and will be used',1); + } + }else{ + msg('mb_string extension not available - PHP only replacements will be used',0); + } + + if($conf['allowdebug']){ + msg('Debugging support is enabled. If you don\'t need it you should set $conf[\'allowdebug\'] = 0',-1); + }else{ + msg('Debugging support is disabled',1); + } + + msg('Your current permission for this page is '.$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); + } +} + +/** + * print a message + * + * If HTTP headers were not sent yet the message is added + * to the global message array else it's printed directly + * using html_msgarea() + * + * + * Levels can be: + * + * -1 error + * 0 info + * 1 success + * + * @author Andreas Gohr <andi@splitbrain.org> + * @see html_msgarea + */ +function msg($message,$lvl=0,$line='',$file=''){ + global $MSG; + $errors[-1] = 'error'; + $errors[0] = 'info'; + $errors[1] = 'success'; + $errors[2] = 'notify'; + + if($line || $file) $message.=' ['.basename($file).':'.$line.']'; + + if(!headers_sent()){ + if(!isset($MSG)) $MSG = array(); + $MSG[]=array('lvl' => $errors[$lvl], 'msg' => $message); + }else{ + $MSG = array(); + $MSG[]=array('lvl' => $errors[$lvl], 'msg' => $message); + if(function_exists('html_msgarea')){ + html_msgarea(); + }else{ + print "ERROR($lvl) $message"; + } + } +} + +/** + * print debug messages + * + * little function to print the content of a var + * + * @author Andreas Gohr <andi@splitbrain.org> + */ +function dbg($msg,$hidden=false){ + (!$hidden) ? print '<pre class="dbg">' : print "<!--\n"; + print_r($msg); + (!$hidden) ? print '</pre>' : print "\n-->"; +} + +/** + * Print info to a log file + * + * @author Andreas Gohr <andi@splitbrain.org> + */ +function dbglog($msg){ + global $conf; + $file = $conf['cachedir'].'/debug.log'; + $fh = fopen($file,'a'); + if($fh){ + fwrite($fh,date('H:i:s ').$_SERVER['REMOTE_ADDR'].': '.$msg."\n"); + fclose($fh); + } +} + |