'pages', 'olddir' => 'attic', 'mediadir' => 'media', 'mediaolddir' => 'media_attic', 'metadir' => 'meta', 'mediametadir' => 'media_meta', 'cachedir' => 'cache', 'indexdir' => 'index', 'lockdir' => 'locks', 'tmpdir' => 'tmp'); foreach($paths as $c => $p) { $path = empty($conf[$c]) ? $conf['savedir'].'/'.$p : $conf[$c]; $conf[$c] = init_path($path); if(empty($conf[$c])) nice_die("The $c ('$p') at $path is not found, isn't accessible or writable. You should check your config and permission settings. Or maybe you want to run the installer?"); } // path to old changelog only needed for upgrading $conf['changelog_old'] = init_path((isset($conf['changelog']))?($conf['changelog']):($conf['savedir'].'/changes.log')); if ($conf['changelog_old']=='') { unset($conf['changelog_old']); } // hardcoded changelog because it is now a cache that lives in meta $conf['changelog'] = $conf['metadir'].'/_dokuwiki.changes'; $conf['media_changelog'] = $conf['metadir'].'/_media.changes'; } /** * Load the language strings * * @param string $langCode language code, as passed by event handler */ function init_lang($langCode) { //prepare language array global $lang, $config_cascade; $lang = array(); //load the language files require(DOKU_INC.'inc/lang/en/lang.php'); foreach ($config_cascade['lang']['core'] as $config_file) { if (file_exists($config_file . 'en/lang.php')) { include($config_file . 'en/lang.php'); } } if ($langCode && $langCode != 'en') { if (file_exists(DOKU_INC."inc/lang/$langCode/lang.php")) { require(DOKU_INC."inc/lang/$langCode/lang.php"); } foreach ($config_cascade['lang']['core'] as $config_file) { if (file_exists($config_file . "$langCode/lang.php")) { include($config_file . "$langCode/lang.php"); } } } } /** * Checks the existence of certain files and creates them if missing. */ function init_files(){ global $conf; $files = array($conf['indexdir'].'/page.idx'); foreach($files as $file){ if(!file_exists($file)){ $fh = @fopen($file,'a'); if($fh){ fclose($fh); if(!empty($conf['fperm'])) chmod($file, $conf['fperm']); }else{ nice_die("$file is not writable. Check your permissions settings!"); } } } } /** * Returns absolute path * * This tries the given path first, then checks in DOKU_INC. * Check for accessibility on directories as well. * * @author Andreas Gohr * * @param string $path * * @return bool|string */ function init_path($path){ // check existence $p = fullpath($path); if(!file_exists($p)){ $p = fullpath(DOKU_INC.$path); if(!file_exists($p)){ return ''; } } // check writability if(!@is_writable($p)){ return ''; } // check accessability (execute bit) for directories if(@is_dir($p) && !file_exists("$p/.")){ return ''; } return $p; } /** * Sets the internal config values fperm and dperm which, when set, * will be used to change the permission of a newly created dir or * file with chmod. Considers the influence of the system's umask * setting the values only if needed. */ function init_creationmodes(){ global $conf; // Legacy support for old umask/dmask scheme unset($conf['dmask']); unset($conf['fmask']); unset($conf['umask']); unset($conf['fperm']); unset($conf['dperm']); // get system umask, fallback to 0 if none available $umask = @umask(); if(!$umask) $umask = 0000; // check what is set automatically by the system on file creation // and set the fperm param if it's not what we want $auto_fmode = 0666 & ~$umask; if($auto_fmode != $conf['fmode']) $conf['fperm'] = $conf['fmode']; // check what is set automatically by the system on file creation // and set the dperm param if it's not what we want $auto_dmode = $conf['dmode'] & ~$umask; if($auto_dmode != $conf['dmode']) $conf['dperm'] = $conf['dmode']; } /** * Returns the full absolute URL to the directory where * DokuWiki is installed in (includes a trailing slash) * * !! Can not access $_SERVER values through $INPUT * !! here as this function is called before $INPUT is * !! initialized. * * @author Andreas Gohr * * @param null|string $abs * * @return string */ function getBaseURL($abs=null){ global $conf; //if canonical url enabled always return absolute if(is_null($abs)) $abs = $conf['canonical']; if(!empty($conf['basedir'])){ $dir = $conf['basedir']; }elseif(substr($_SERVER['SCRIPT_NAME'],-4) == '.php'){ $dir = dirname($_SERVER['SCRIPT_NAME']); }elseif(substr($_SERVER['PHP_SELF'],-4) == '.php'){ $dir = dirname($_SERVER['PHP_SELF']); }elseif($_SERVER['DOCUMENT_ROOT'] && $_SERVER['SCRIPT_FILENAME']){ $dir = preg_replace ('/^'.preg_quote($_SERVER['DOCUMENT_ROOT'],'/').'/','', $_SERVER['SCRIPT_FILENAME']); $dir = dirname('/'.$dir); }else{ $dir = '.'; //probably wrong } $dir = str_replace('\\','/',$dir); // bugfix for weird WIN behaviour $dir = preg_replace('#//+#','/',"/$dir/"); // ensure leading and trailing slashes //handle script in lib/exe dir $dir = preg_replace('!lib/exe/$!','',$dir); //handle script in lib/plugins dir $dir = preg_replace('!lib/plugins/.*$!','',$dir); //finish here for relative URLs if(!$abs) return $dir; //use config option if available, trim any slash from end of baseurl to avoid multiple consecutive slashes in the path if(!empty($conf['baseurl'])) return rtrim($conf['baseurl'],'/').$dir; //split hostheader into host and port if(isset($_SERVER['HTTP_HOST'])){ $parsed_host = parse_url('http://'.$_SERVER['HTTP_HOST']); $host = isset($parsed_host['host']) ? $parsed_host['host'] : null; $port = isset($parsed_host['port']) ? $parsed_host['port'] : null; }elseif(isset($_SERVER['SERVER_NAME'])){ $parsed_host = parse_url('http://'.$_SERVER['SERVER_NAME']); $host = isset($parsed_host['host']) ? $parsed_host['host'] : null; $port = isset($parsed_host['port']) ? $parsed_host['port'] : null; }else{ $host = php_uname('n'); $port = ''; } if(is_null($port)){ $port = ''; } if(!is_ssl()){ $proto = 'http://'; if ($port == '80') { $port = ''; } }else{ $proto = 'https://'; if ($port == '443') { $port = ''; } } if($port !== '') $port = ':'.$port; return $proto.$host.$port.$dir; } /** * Check if accessed via HTTPS * * Apache leaves ,$_SERVER['HTTPS'] empty when not available, IIS sets it to 'off'. * 'false' and 'disabled' are just guessing * * @returns bool true when SSL is active */ function is_ssl() { // check if we are behind a reverse proxy if(isset($_SERVER['HTTP_X_FORWARDED_PROTO'])) { if($_SERVER['HTTP_X_FORWARDED_PROTO'] == 'https') { return true; } else { return false; } } if(!isset($_SERVER['HTTPS']) || preg_match('/^(|off|false|disabled)$/i', $_SERVER['HTTPS'])) { return false; } else { return true; } } /** * checks it is windows OS * @return bool */ function isWindows() { return (strtoupper(substr(PHP_OS, 0, 3)) === 'WIN') ? true : false; } /** * print a nice message even if no styles are loaded yet. * * @param integer|string $msg */ function nice_die($msg){ echo<< DokuWiki Setup Error

DokuWiki Setup Error

$msg

EOT; if(defined('DOKU_UNITTEST')) { throw new RuntimeException('nice_die: '.$msg); } exit(1); } /** * A realpath() replacement * * This function behaves similar to PHP's realpath() but does not resolve * symlinks or accesses upper directories * * @author Andreas Gohr * @author * @link http://php.net/manual/en/function.realpath.php#75992 * * @param string $path * @param bool $exists * * @return bool|string */ function fullpath($path,$exists=false){ static $run = 0; $root = ''; $iswin = (strtoupper(substr(PHP_OS, 0, 3)) === 'WIN' || @$GLOBALS['DOKU_UNITTEST_ASSUME_WINDOWS']); // find the (indestructable) root of the path - keeps windows stuff intact if($path{0} == '/'){ $root = '/'; }elseif($iswin){ // match drive letter and UNC paths if(preg_match('!^([a-zA-z]:)(.*)!',$path,$match)){ $root = $match[1].'/'; $path = $match[2]; }else if(preg_match('!^(\\\\\\\\[^\\\\/]+\\\\[^\\\\/]+[\\\\/])(.*)!',$path,$match)){ $root = $match[1]; $path = $match[2]; } } $path = str_replace('\\','/',$path); // if the given path wasn't absolute already, prepend the script path and retry if(!$root){ $base = dirname($_SERVER['SCRIPT_FILENAME']); $path = $base.'/'.$path; if($run == 0){ // avoid endless recursion when base isn't absolute for some reason $run++; return fullpath($path,$exists); } } $run = 0; // canonicalize $path=explode('/', $path); $newpath=array(); foreach($path as $p) { if ($p === '' || $p === '.') continue; if ($p==='..') { array_pop($newpath); continue; } array_push($newpath, $p); } $finalpath = $root.implode('/', $newpath); // check for existence when needed (except when unit testing) if($exists && !defined('DOKU_UNITTEST') && !file_exists($finalpath)) { return false; } return $finalpath; }