1<?php 2/** 3 * Initialize some defaults needed for DokuWiki 4 */ 5 6 // define the include path 7 if(!defined('DOKU_INC')) define('DOKU_INC',realpath(dirname(__FILE__).'/../').'/'); 8 9 // set up error reporting to sane values 10 error_reporting(E_ALL ^ E_NOTICE); 11 12 //prepare config array() 13 global $conf; 14 $conf = array(); 15 16 // load the config file(s) 17 require_once(DOKU_INC.'conf/dokuwiki.php'); 18 @include_once(DOKU_INC.'conf/local.php'); 19 20 //prepare language array 21 global $lang; 22 $lang = array(); 23 24 // define baseURL 25 if(!defined('DOKU_BASE')) define('DOKU_BASE',getBaseURL()); 26 if(!defined('DOKU_URL')) define('DOKU_URL',getBaseURL(true)); 27 28 // define Plugin dir 29 if(!defined('DOKU_PLUGIN')) define('DOKU_PLUGIN',DOKU_INC.'inc/plugins/'); 30 31 // define main script 32 if(!defined('DOKU_SCRIPT')) define('DOKU_SCRIPT','doku.php'); 33 34 // define Template baseURL 35 if(!defined('DOKU_TPL')) define('DOKU_TPL', 36 DOKU_BASE.'tpl/'.$conf['template'].'/'); 37 38 // make session rewrites XHTML compliant 39 @ini_set('arg_separator.output', '&'); 40 41 // init session 42 session_name("DokuWiki"); 43 if (!headers_sent()) session_start(); 44 45 // kill magic quotes 46 if (get_magic_quotes_gpc()) { 47 if (!empty($_GET)) remove_magic_quotes($_GET); 48 if (!empty($_POST)) remove_magic_quotes($_POST); 49 if (!empty($_COOKIE)) remove_magic_quotes($_COOKIE); 50 if (!empty($_REQUEST)) remove_magic_quotes($_REQUEST); 51 if (!empty($_SESSION)) remove_magic_quotes($_SESSION); 52 @ini_set('magic_quotes_gpc', 0); 53 } 54 @set_magic_quotes_runtime(0); 55 @ini_set('magic_quotes_sybase',0); 56 57 // disable gzip if not available 58 if($conf['usegzip'] && !function_exists('gzopen')){ 59 $conf['usegzip'] = 0; 60 } 61 62 // remember original umask 63 $conf['oldumask'] = umask(); 64 65 // make absolute mediaweb 66 if(!preg_match('#^(https?://|/)#i',$conf['mediaweb'])){ 67 $conf['mediaweb'] = getBaseURL().$conf['mediaweb']; 68 } 69 70 // make real paths and check them 71 $conf['datadir'] = realpath($conf['datadir']); 72 if(!$conf['datadir']) die('Wrong datadir! Check config!'); 73 $conf['olddir'] = realpath($conf['olddir']); 74 if(!$conf['olddir']) die('Wrong olddir! Check config!'); 75 $conf['mediadir'] = realpath($conf['mediadir']); 76 if(!$conf['mediadir']) die('Wrong mediadir! Check config!'); 77 78 // automatic upgrade to script versions of certain files 79 scriptify('conf/users.auth'); 80 scriptify('conf/acl.auth'); 81 82/** 83 * remove magic quotes recursivly 84 * 85 * @author Andreas Gohr <andi@splitbrain.org> 86 */ 87function remove_magic_quotes(&$array) { 88 foreach (array_keys($array) as $key) { 89 if (is_array($array[$key])) { 90 remove_magic_quotes($array[$key]); 91 }else { 92 $array[$key] = stripslashes($array[$key]); 93 } 94 } 95} 96 97/** 98 * Returns the full absolute URL to the directory where 99 * DokuWiki is installed in (includes a trailing slash) 100 * 101 * @author Andreas Gohr <andi@splitbrain.org> 102 */ 103function getBaseURL($abs=false){ 104 global $conf; 105 //if canonical url enabled always return absolute 106 if($conf['canonical']) $abs = true; 107 108 if($conf['basedir']){ 109 $dir = $conf['basedir'].'/'; 110 }elseif($_SERVER['SCRIPT_NAME']){ 111 $dir = dirname($_SERVER['SCRIPT_NAME']).'/'; 112 }elseif($_SERVER['DOCUMENT_ROOT'] && $_SERVER['SCRIPT_FILENAME']){ 113 $dir = preg_replace ('/^'.preg_quote($_SERVER['DOCUMENT_ROOT'],'/').'/','', 114 $_SERVER['SCRIPT_FILENAME']); 115 $dir = dirname('/'.$dir).'/'; 116 }else{ 117 $dir = dirname($_SERVER['PHP_SELF']).'/'; 118 } 119 120 $dir = str_replace('\\','/',$dir); #bugfix for weird WIN behaviour 121 $dir = preg_replace('#//+#','/',$dir); 122 123 //finish here for relative URLs 124 if(!$abs) return $dir; 125 126 $port = ':'.$_SERVER['SERVER_PORT']; 127 //remove port from hostheader as sent by IE 128 $host = preg_replace('/:.*$/','',$_SERVER['HTTP_HOST']); 129 130 // see if HTTPS is enabled - apache leaves this empty when not available, 131 // IIS sets it to 'off', 'false' and 'disabled' are just guessing 132 if (preg_match('/^(|off|false|disabled)$/i',$_SERVER['HTTPS'])){ 133 $proto = 'http://'; 134 if ($_SERVER['SERVER_PORT'] == '80') { 135 $port=''; 136 } 137 }else{ 138 $proto = 'https://'; 139 if ($_SERVER['SERVER_PORT'] == '443') { 140 $port=''; 141 } 142 } 143 144 return $proto.$host.$port.$dir; 145} 146 147/** 148 * Append a PHP extension to a given file and adds an exit call 149 * 150 * This is used to migrate some old configfiles. An added PHP extension 151 * ensures the contents are not shown to webusers even if .htaccess files 152 * do not work 153 * 154 * @author Jan Decaluwe <jan@jandecaluwe.com> 155 */ 156function scriptify($file) { 157 // checks 158 if (!is_readable($file)) { 159 return; 160 } 161 $fn = $file.'.php'; 162 if (@file_exists($fn)) { 163 return; 164 } 165 $fh = fopen($fn, 'w'); 166 if (!$fh) { 167 die($fn.' is not writable!'); 168 } 169 // write php exit hack first 170 fwrite($fh, "# $fn\n"); 171 fwrite($fh, '# <?php exit()?>'."\n"); 172 fwrite($fh, "# Don't modify the lines above\n"); 173 fwrite($fh, "#\n"); 174 // copy existing lines 175 $lines = file($file); 176 foreach ($lines as $line){ 177 fwrite($fh, $line); 178 } 179 fclose($fh); 180 //try to rename the old file 181 @rename($file,"$file.old"); 182} 183 184 185//Setup VIM: ex: et ts=2 enc=utf-8 : 186