diff options
Diffstat (limited to 'wiki/inc/init.php')
| -rw-r--r-- | wiki/inc/init.php | 601 |
1 files changed, 0 insertions, 601 deletions
diff --git a/wiki/inc/init.php b/wiki/inc/init.php deleted file mode 100644 index ba6743f..0000000 --- a/wiki/inc/init.php +++ /dev/null @@ -1,601 +0,0 @@ -<?php -/** - * Initialize some defaults needed for DokuWiki - */ - - -/** - * timing Dokuwiki execution - * - * @param integer $start - * - * @return mixed - */ -function delta_time($start=0) { - return microtime(true)-((float)$start); -} -define('DOKU_START_TIME', delta_time()); - -global $config_cascade; -$config_cascade = array(); - -// if available load a preload config file -$preload = fullpath(dirname(__FILE__)).'/preload.php'; -if (file_exists($preload)) include($preload); - -// define the include path -if(!defined('DOKU_INC')) define('DOKU_INC',fullpath(dirname(__FILE__).'/../').'/'); - -// define Plugin dir -if(!defined('DOKU_PLUGIN')) define('DOKU_PLUGIN',DOKU_INC.'lib/plugins/'); - -// define config path (packagers may want to change this to /etc/dokuwiki/) -if(!defined('DOKU_CONF')) define('DOKU_CONF',DOKU_INC.'conf/'); - -// check for error reporting override or set error reporting to sane values -if (!defined('DOKU_E_LEVEL') && file_exists(DOKU_CONF.'report_e_all')) { - define('DOKU_E_LEVEL', E_ALL); -} -if (!defined('DOKU_E_LEVEL')) { - error_reporting(E_ALL & ~E_NOTICE & ~E_DEPRECATED & ~E_STRICT); -} else { - error_reporting(DOKU_E_LEVEL); -} - -// avoid caching issues #1594 -header('Vary: Cookie'); - -// init memory caches -global $cache_revinfo; - $cache_revinfo = array(); -global $cache_wikifn; - $cache_wikifn = array(); -global $cache_cleanid; - $cache_cleanid = array(); -global $cache_authname; - $cache_authname = array(); -global $cache_metadata; - $cache_metadata = array(); - -// always include 'inc/config_cascade.php' -// previously in preload.php set fields of $config_cascade will be merged with the defaults -include(DOKU_INC.'inc/config_cascade.php'); - -//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 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); - } -} - -// 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 main script -if(!defined('DOKU_SCRIPT')) define('DOKU_SCRIPT','doku.php'); - -// DEPRECATED, use tpl_basedir() instead -if(!defined('DOKU_TPL')) define('DOKU_TPL', - DOKU_BASE.'lib/tpl/'.$conf['template'].'/'); - -// DEPRECATED, use tpl_incdir() instead -if(!defined('DOKU_TPLINC')) define('DOKU_TPLINC', - DOKU_INC.'lib/tpl/'.$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); -global $ACT; -if ($conf['gzip_output'] && - !defined('DOKU_DISABLE_GZIP_OUTPUT') && - function_exists('ob_gzhandler') && - // Disable compression when a (compressed) sitemap might be delivered - // See https://bugs.dokuwiki.org/index.php?do=details&task_id=2576 - $ACT != 'sitemap') { - ob_start('ob_gzhandler'); -} - -// init session -if(!headers_sent() && !defined('NOSESSION')) { - if(!defined('DOKU_SESSION_NAME')) define ('DOKU_SESSION_NAME', "DokuWiki"); - if(!defined('DOKU_SESSION_LIFETIME')) define ('DOKU_SESSION_LIFETIME', 0); - if(!defined('DOKU_SESSION_PATH')) { - $cookieDir = empty($conf['cookiedir']) ? DOKU_REL : $conf['cookiedir']; - define ('DOKU_SESSION_PATH', $cookieDir); - } - if(!defined('DOKU_SESSION_DOMAIN')) define ('DOKU_SESSION_DOMAIN', ''); - - // start the session - init_session(); - - // load left over messages - if(isset($_SESSION[DOKU_COOKIE]['msg'])) { - $MSG = $_SESSION[DOKU_COOKIE]['msg']; - unset($_SESSION[DOKU_COOKIE]['msg']); - } -} - -// 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']) && !empty($_SERVER['HTTP_REFERER'])) unset($_REQUEST['purge']); - -// precalculate file creation modes -init_creationmodes(); - -// make real paths and check them -init_paths(); -init_files(); - -// setup plugin controller class (can be overwritten in preload.php) -$plugin_types = array('auth', 'admin','syntax','action','renderer', 'helper','remote'); -global $plugin_controller_class, $plugin_controller; -if (empty($plugin_controller_class)) $plugin_controller_class = 'Doku_Plugin_Controller'; - -// load libraries -require_once(DOKU_INC.'vendor/autoload.php'); -require_once(DOKU_INC.'inc/load.php'); - -// disable gzip if not available -define('DOKU_HAS_BZIP', function_exists('bzopen')); -define('DOKU_HAS_GZIP', function_exists('gzopen')); -if($conf['compression'] == 'bz2' && !DOKU_HAS_BZIP) { - $conf['compression'] = 'gz'; -} -if($conf['compression'] == 'gz' && !DOKU_HAS_GZIP) { - $conf['compression'] = 0; -} - -// input handle class -global $INPUT; -$INPUT = new Input(); - -// initialize plugin controller -$plugin_controller = new $plugin_controller_class(); - -// initialize the event handler -global $EVENT_HANDLER; -$EVENT_HANDLER = new Doku_Event_Handler(); - -$local = $conf['lang']; -trigger_event('INIT_LANG_LOAD', $local, 'init_lang', true); - - -// setup authentication system -if (!defined('NOSESSION')) { - auth_setup(); -} - -// setup mail system -mail_setup(); - -/** - * Initializes the session - * - * Makes sure the passed session cookie is valid, invalid ones are ignored an a new session ID is issued - * - * @link http://stackoverflow.com/a/33024310/172068 - * @link http://php.net/manual/en/session.configuration.php#ini.session.sid-length - */ -function init_session() { - global $conf; - session_name(DOKU_SESSION_NAME); - session_set_cookie_params(DOKU_SESSION_LIFETIME, DOKU_SESSION_PATH, DOKU_SESSION_DOMAIN, ($conf['securecookie'] && is_ssl()), true); - - // make sure the session cookie contains a valid session ID - if(isset($_COOKIE[DOKU_SESSION_NAME]) && !preg_match('/^[-,a-zA-Z0-9]{22,256}$/', $_COOKIE[DOKU_SESSION_NAME])) { - unset($_COOKIE[DOKU_SESSION_NAME]); - } - - session_start(); -} - - -/** - * Checks paths from config file - */ -function init_paths(){ - global $conf; - - $paths = array('datadir' => 'pages', - 'olddir' => 'attic', - 'mediadir' => 'media', - 'mediaolddir' => 'media_attic', - 'metadir' => 'meta', - 'mediametadir' => 'media_meta', - 'cachedir' => 'cache', - 'indexdir' => 'index', - 'lockdir' => 'locks', - 'tmpdir' => 'tmp'); - - foreach($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 <a href=\"install.php\">run the - installer</a>?"); - } - - // 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 <andi@splitbrain.org> - * - * @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 <andi@splitbrain.org> - * - * @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<<<EOT -<!DOCTYPE html> -<html> -<head><title>DokuWiki Setup Error</title></head> -<body style="font-family: Arial, sans-serif"> - <div style="width:60%; margin: auto; background-color: #fcc; - border: 1px solid #faa; padding: 0.5em 1em;"> - <h1 style="font-size: 120%">DokuWiki Setup Error</h1> - <p>$msg</p> - </div> -</body> -</html> -EOT; - if(defined('DOKU_UNITTEST')) { - throw new RuntimeException('nice_die: '.$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 <andi@splitbrain.org> - * @author <richpageau at yahoo dot co dot uk> - * @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; -} - |