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