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 $lang = array(); 23 24 //load the language files 25 require_once(DOKU_INC.'inc/lang/en/lang.php'); 26 require_once(DOKU_INC.'inc/lang/'.$conf['lang'].'/lang.php'); 27 28 // define baseURL 29 if(!defined('DOKU_BASE')) define('DOKU_BASE',getBaseURL()); 30 if(!defined('DOKU_URL')) define('DOKU_URL',getBaseURL(true)); 31 32 // define Plugin dir 33 if(!defined('DOKU_PLUGIN')) define('DOKU_PLUGIN',DOKU_INC.'lib/plugins/'); 34 35 // define main script 36 if(!defined('DOKU_SCRIPT')) define('DOKU_SCRIPT','doku.php'); 37 38 // define Template baseURL 39 if(!defined('DOKU_TPL')) define('DOKU_TPL', 40 DOKU_BASE.'lib/tpl/'.$conf['template'].'/'); 41 42 // make session rewrites XHTML compliant 43 @ini_set('arg_separator.output', '&'); 44 45 // init session 46 session_name("DokuWiki"); 47 if (!headers_sent()) session_start(); 48 49 // kill magic quotes 50 if (get_magic_quotes_gpc()) { 51 if (!empty($_GET)) remove_magic_quotes($_GET); 52 if (!empty($_POST)) remove_magic_quotes($_POST); 53 if (!empty($_COOKIE)) remove_magic_quotes($_COOKIE); 54 if (!empty($_REQUEST)) remove_magic_quotes($_REQUEST); 55 if (!empty($_SESSION)) remove_magic_quotes($_SESSION); 56 @ini_set('magic_quotes_gpc', 0); 57 } 58 @set_magic_quotes_runtime(0); 59 @ini_set('magic_quotes_sybase',0); 60 61 // disable gzip if not available 62 if($conf['usegzip'] && !function_exists('gzopen')){ 63 $conf['usegzip'] = 0; 64 } 65 66 // remember original umask 67 $conf['oldumask'] = umask(); 68 69 // make real paths and check them 70 init_paths(); 71 72 // automatic upgrade to script versions of certain files 73 scriptify(DOKU_INC.'conf/users.auth'); 74 scriptify(DOKU_INC.'conf/acl.auth'); 75 76 77/** 78 * Checks paths from config file 79 */ 80function init_paths(){ 81 global $conf; 82 83 $paths = array('datadir' => 'pages', 84 'olddir' => 'attic', 85 'mediadir' => 'media', 86 'metadir' => 'meta', 87 'cachedir' => 'cache', 88 'lockdir' => 'locks', 89 'changelog' => 'changes.log'); 90 91 foreach($paths as $c => $p){ 92 93 if(!$conf[$c]) $conf[$c] = $conf['savedir'].'/'.$p; 94 $conf[$c] = init_path($conf[$c]); 95 if(!$conf[$c]) die("$c does not exist or isn't writable. Check config!"); 96 } 97} 98 99/** 100 * returns absolute path 101 * 102 * This tries the given path first, then checks in DOKU_INC 103 */ 104function init_path($path){ 105 $p = realpath($path); 106 if(@file_exists($p)) return $p; 107 $p = realpath(DOKU_INC.$path); 108 if(@file_exists($p)) return $p; 109 return ''; 110} 111 112/** 113 * remove magic quotes recursivly 114 * 115 * @author Andreas Gohr <andi@splitbrain.org> 116 */ 117function remove_magic_quotes(&$array) { 118 foreach (array_keys($array) as $key) { 119 if (is_array($array[$key])) { 120 remove_magic_quotes($array[$key]); 121 }else { 122 $array[$key] = stripslashes($array[$key]); 123 } 124 } 125} 126 127/** 128 * Returns the full absolute URL to the directory where 129 * DokuWiki is installed in (includes a trailing slash) 130 * 131 * @author Andreas Gohr <andi@splitbrain.org> 132 */ 133function getBaseURL($abs=false){ 134 global $conf; 135 //if canonical url enabled always return absolute 136 if($conf['canonical']) $abs = true; 137 138 if($conf['basedir']){ 139 $dir = $conf['basedir'].'/'; 140 }elseif($_SERVER['SCRIPT_NAME']){ 141 $dir = dirname($_SERVER['SCRIPT_NAME']).'/'; 142 }elseif($_SERVER['DOCUMENT_ROOT'] && $_SERVER['SCRIPT_FILENAME']){ 143 $dir = preg_replace ('/^'.preg_quote($_SERVER['DOCUMENT_ROOT'],'/').'/','', 144 $_SERVER['SCRIPT_FILENAME']); 145 $dir = dirname('/'.$dir).'/'; 146 }else{ 147 $dir = dirname($_SERVER['PHP_SELF']).'/'; 148 } 149 150 $dir = str_replace('\\','/',$dir); #bugfix for weird WIN behaviour 151 $dir = preg_replace('#//+#','/',$dir); 152 153 //handle script in lib/exe dir 154 $dir = preg_replace('!lib/exe/$!','',$dir); 155 156 //finish here for relative URLs 157 if(!$abs) return $dir; 158 159 $port = ':'.$_SERVER['SERVER_PORT']; 160 //remove port from hostheader as sent by IE 161 $host = preg_replace('/:.*$/','',$_SERVER['HTTP_HOST']); 162 163 // see if HTTPS is enabled - apache leaves this empty when not available, 164 // IIS sets it to 'off', 'false' and 'disabled' are just guessing 165 if (preg_match('/^(|off|false|disabled)$/i',$_SERVER['HTTPS'])){ 166 $proto = 'http://'; 167 if ($_SERVER['SERVER_PORT'] == '80') { 168 $port=''; 169 } 170 }else{ 171 $proto = 'https://'; 172 if ($_SERVER['SERVER_PORT'] == '443') { 173 $port=''; 174 } 175 } 176 177 return $proto.$host.$port.$dir; 178} 179 180/** 181 * Append a PHP extension to a given file and adds an exit call 182 * 183 * This is used to migrate some old configfiles. An added PHP extension 184 * ensures the contents are not shown to webusers even if .htaccess files 185 * do not work 186 * 187 * @author Jan Decaluwe <jan@jandecaluwe.com> 188 */ 189function scriptify($file) { 190 // checks 191 if (!is_readable($file)) { 192 return; 193 } 194 $fn = $file.'.php'; 195 if (@file_exists($fn)) { 196 return; 197 } 198 $fh = fopen($fn, 'w'); 199 if (!$fh) { 200 die($fn.' is not writable!'); 201 } 202 // write php exit hack first 203 fwrite($fh, "# $fn\n"); 204 fwrite($fh, '# <?php exit()?>'."\n"); 205 fwrite($fh, "# Don't modify the lines above\n"); 206 fwrite($fh, "#\n"); 207 // copy existing lines 208 $lines = file($file); 209 foreach ($lines as $line){ 210 fwrite($fh, $line); 211 } 212 fclose($fh); 213 //try to rename the old file 214 @rename($file,"$file.old"); 215} 216 217 218//Setup VIM: ex: et ts=2 enc=utf-8 : 219