array( 'default' => array(DOKU_CONF.'dokuwiki.php'), 'local' => array(DOKU_CONF.'local.php'), 'protected' => array(DOKU_CONF.'local.protected.php'), ), 'acronyms' => array( 'default' => array(DOKU_CONF.'acronyms.conf'), 'local' => array(DOKU_CONF.'acronyms.local.conf'), ), 'entities' => array( 'default' => array(DOKU_CONF.'entities.conf'), 'local' => array(DOKU_CONF.'entities.local.conf'), ), 'interwiki' => array( 'default' => array(DOKU_CONF.'interwiki.conf'), 'local' => array(DOKU_CONF.'interwiki.local.conf'), ), 'license' => array( 'default' => array(DOKU_CONF.'license.php'), 'local' => array(DOKU_CONF.'license.local.php'), ), 'mediameta' => array( 'default' => array(DOKU_CONF.'mediameta.php'), 'local' => array(DOKU_CONF.'mediameta.local.php'), ), 'mime' => array( 'default' => array(DOKU_CONF.'mime.conf'), 'local' => array(DOKU_CONF.'mime.local.conf'), ), 'scheme' => array( 'default' => array(DOKU_CONF.'scheme.conf'), 'local' => array(DOKU_CONF.'scheme.local.conf'), ), 'smileys' => array( 'default' => array(DOKU_CONF.'smileys.conf'), 'local' => array(DOKU_CONF.'smileys.local.conf'), ), 'wordblock' => array( 'default' => array(DOKU_CONF.'wordblock.conf'), 'local' => array(DOKU_CONF.'wordblock.local.conf'), ), ); } //prepare config array() global $conf; $conf = array(); // load the global config file(s) foreach (array('default','local','protected') as $config_group) { if (empty($config_cascade['main'][$config_group])) continue; foreach ($config_cascade['main'][$config_group] as $config_file) { if (@file_exists($config_file)) { include($config_file); } } } //prepare language array global $lang; $lang = array(); //load the language files require_once(DOKU_INC.'inc/lang/en/lang.php'); if ( $conf['lang'] && $conf['lang'] != 'en' ) { require_once(DOKU_INC.'inc/lang/'.$conf['lang'].'/lang.php'); } //prepare license array() global $license; $license = array(); // load the license file(s) foreach (array('default','local') as $config_group) { if (empty($config_cascade['license'][$config_group])) continue; foreach ($config_cascade['license'][$config_group] as $config_file) { if(@file_exists($config_file)){ include($config_file); } } } // set timezone (as in pre 5.3.0 days) date_default_timezone_set(@date_default_timezone_get()); // define baseURL if(!defined('DOKU_REL')) define('DOKU_REL',getBaseURL(false)); if(!defined('DOKU_URL')) define('DOKU_URL',getBaseURL(true)); if(!defined('DOKU_BASE')){ if($conf['canonical']){ define('DOKU_BASE',DOKU_URL); }else{ define('DOKU_BASE',DOKU_REL); } } //error_log("DOKU_INC:".DOKU_INC); //error_log("DOKU_REL:".DOKU_REL); //error_log("DOKU_URL:".DOKU_URL); //error_log("DOKU_BASE:".DOKU_BASE); // define whitespace if(!defined('DOKU_LF')) define ('DOKU_LF',"\n"); if(!defined('DOKU_TAB')) define ('DOKU_TAB',"\t"); // define cookie and session id, append server port when securecookie is configured FS#1664 if (!defined('DOKU_COOKIE')) define('DOKU_COOKIE', 'DW'.md5(DOKU_REL.(($conf['securecookie'])?$_SERVER['SERVER_PORT']:''))); // define Plugin dir if(!defined('DOKU_PLUGIN')) define('DOKU_PLUGIN',DOKU_INC.'lib/plugins/'); // define main script if(!defined('DOKU_SCRIPT')) define('DOKU_SCRIPT','doku.php'); // define Template baseURL if(!defined('DOKU_TPL')) define('DOKU_TPL', DOKU_BASE.'lib/tpl/'.$conf['template'].'/'); // define real Template directory if(!defined('DOKU_TPLINC')) define('DOKU_TPLINC', DOKU_INC.'lib/tpl/'.$conf['template'].'/'); // make session rewrites XHTML compliant @ini_set('arg_separator.output', '&'); // make sure global zlib does not interfere FS#1132 @ini_set('zlib.output_compression', 'off'); // increase PCRE backtrack limit @ini_set('pcre.backtrack_limit', '20971520'); // enable gzip compression if supported $conf['gzip_output'] &= (strpos($_SERVER['HTTP_ACCEPT_ENCODING'],'gzip') !== false); if ($conf['gzip_output'] && !defined('DOKU_DISABLE_GZIP_OUTPUT') && function_exists('ob_gzhandler')) { ob_start('ob_gzhandler'); } // init session if (!headers_sent() && !defined('NOSESSION')){ session_name("DokuWiki"); if (version_compare(PHP_VERSION, '5.2.0', '>')) { session_set_cookie_params(0,DOKU_REL,'',($conf['securecookie'] && is_ssl()),true); }else{ session_set_cookie_params(0,DOKU_REL,'',($conf['securecookie'] && is_ssl())); } session_start(); // load left over messages if(isset($_SESSION[DOKU_COOKIE]['msg'])){ $MSG = $_SESSION[DOKU_COOKIE]['msg']; unset($_SESSION[DOKU_COOKIE]['msg']); } } // kill magic quotes if (get_magic_quotes_gpc() && !defined('MAGIC_QUOTES_STRIPPED')) { if (!empty($_GET)) remove_magic_quotes($_GET); if (!empty($_POST)) remove_magic_quotes($_POST); if (!empty($_COOKIE)) remove_magic_quotes($_COOKIE); if (!empty($_REQUEST)) remove_magic_quotes($_REQUEST); @ini_set('magic_quotes_gpc', 0); define('MAGIC_QUOTES_STRIPPED',1); } @set_magic_quotes_runtime(0); @ini_set('magic_quotes_sybase',0); // don't let cookies ever interfere with request vars $_REQUEST = array_merge($_GET,$_POST); // we don't want a purge URL to be digged if(isset($_REQUEST['purge']) && $_SERVER['HTTP_REFERER']) unset($_REQUEST['purge']); // disable gzip if not available if($conf['compression'] == 'bz2' && !function_exists('bzopen')){ $conf['compression'] = 'gz'; } if($conf['compression'] == 'gz' && !function_exists('gzopen')){ $conf['compression'] = 0; } // fix dateformat for upgraders if(strpos($conf['dformat'],'%') === false){ $conf['dformat'] = '%Y/%m/%d %H:%M'; } // precalculate file creation modes init_creationmodes(); // make real paths and check them init_paths(); init_files(); // automatic upgrade to script versions of certain files scriptify(DOKU_CONF.'users.auth'); scriptify(DOKU_CONF.'acl.auth'); /** * Checks paths from config file */ function init_paths(){ global $conf; $paths = array('datadir' => 'pages', 'olddir' => 'attic', 'mediadir' => 'media', 'metadir' => 'meta', 'cachedir' => 'cache', 'indexdir' => 'index', 'lockdir' => 'locks', 'tmpdir' => 'tmp'); foreach($paths as $c => $p){ if(empty($conf[$c])) $conf[$c] = $conf['savedir'].'/'.$p; $conf[$c] = init_path($conf[$c]); if(empty($conf[$c])) nice_die("The $c ('$p') does not exist, 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'; } /** * Checks the existance 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($conf['fperm']) chmod($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 accessability on directories as well. * * @author Andreas Gohr */ function init_path($path){ // check existance //error_log("init_path:".$path); $p = fullpath($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'] = $conf['dmode']; } /** * remove magic quotes recursivly * * @author Andreas Gohr */ function remove_magic_quotes(&$array) { foreach (array_keys($array) as $key) { // handle magic quotes in keynames (breaks order) $sk = stripslashes($key); if($sk != $key){ $array[$sk] = $array[$key]; unset($array[$key]); $key = $sk; } // do recursion if needed if (is_array($array[$key])) { remove_magic_quotes($array[$key]); }else { $array[$key] = stripslashes($array[$key]); } } } /** * Returns the full absolute URL to the directory where * DokuWiki is installed in (includes a trailing slash) * * @author Andreas Gohr */ function getBaseURL($abs=null){ global $conf; //if canonical url enabled always return absolute if(is_null($abs)) $abs = $conf['canonical']; if($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 $dir; //use config option if available, trim any slash from end of baseurl to avoid multiple consecutive slashes in the path if($conf['baseurl']) return rtrim($conf['baseurl'],'/').$dir; //split hostheader into host and port $addr = explode(':',$_SERVER['HTTP_HOST']); $host = $addr[0]; $port = ''; if (isset($addr[1])) { $port = $addr[1]; } elseif (isset($_SERVER['SERVER_PORT'])) { $port = $_SERVER['SERVER_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 ,$_SERVER['HTTPS'] empty when not available, IIS sets it to 'off'. * 'false' and 'disabled' are just guessing * * @returns bool true when SSL is active */ function is_ssl(){ if (!isset($_SERVER['HTTPS']) || preg_match('/^(|off|false|disabled)$/i',$_SERVER['HTTPS'])){ return false; }else{ return true; } } /** * Append a PHP extension to a given file and adds an exit call * * This is used to migrate some old configfiles. An added PHP extension * ensures the contents are not shown to webusers even if .htaccess files * do not work * * @author Jan Decaluwe */ function scriptify($file) { // checks if (!is_readable($file)) { return; } $fn = $file.'.php'; if (@file_exists($fn)) { return; } $fh = fopen($fn, 'w'); if (!$fh) { nice_die($fn.' is not writable. Check your permission settings!'); } // write php exit hack first fwrite($fh, "# $fn\n"); fwrite($fh, '# '."\n"); fwrite($fh, "# Don't modify the lines above\n"); fwrite($fh, "#\n"); // copy existing lines $lines = file($file); foreach ($lines as $line){ fwrite($fh, $line); } fclose($fh); //try to rename the old file io_rename($file,"$file.old"); } /** * print a nice message even if no styles are loaded yet. */ function nice_die($msg){ echo<< DokuWiki Setup Error

DokuWiki Setup Error

$msg

EOT; exit; } /** * 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://de3.php.net/manual/en/function.realpath.php#75992 */ 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('/', $newpath); // check for existance when needed (except when unit testing) if($exists && !defined('DOKU_UNITTEST') && !@file_exists($finalpath)) { return false; } return $finalpath; }