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 // define config path (packagers may want to change this to /etc/dokuwiki/) 10 if(!defined('DOKU_CONF')) define('DOKU_CONF',DOKU_INC.'/conf/'); 11 12 // set up error reporting to sane values 13 error_reporting(E_ALL ^ E_NOTICE); 14 15 //prepare config array() 16 global $conf; 17 $conf = array(); 18 19 // load the config file(s) 20 require_once(DOKU_CONF.'dokuwiki.php'); 21 @include_once(DOKU_CONF.'local.php'); 22 23 //prepare language array 24 global $lang; 25 $lang = array(); 26 27 //load the language files 28 require_once(DOKU_INC.'inc/lang/en/lang.php'); 29 require_once(DOKU_INC.'inc/lang/'.$conf['lang'].'/lang.php'); 30 31 // define baseURL 32 if(!defined('DOKU_BASE')) define('DOKU_BASE',getBaseURL()); 33 if(!defined('DOKU_URL')) define('DOKU_URL',getBaseURL(true)); 34 35 // define Plugin dir 36 if(!defined('DOKU_PLUGIN')) define('DOKU_PLUGIN',DOKU_INC.'lib/plugins/'); 37 38 // define main script 39 if(!defined('DOKU_SCRIPT')) define('DOKU_SCRIPT','doku.php'); 40 41 // define Template baseURL 42 if(!defined('DOKU_TPL')) define('DOKU_TPL', 43 DOKU_BASE.'lib/tpl/'.$conf['template'].'/'); 44 45 // make session rewrites XHTML compliant 46 @ini_set('arg_separator.output', '&'); 47 48 // init session 49 session_name("DokuWiki"); 50 if (!headers_sent()) session_start(); 51 52 // kill magic quotes 53 if (get_magic_quotes_gpc()) { 54 if (!empty($_GET)) remove_magic_quotes($_GET); 55 if (!empty($_POST)) remove_magic_quotes($_POST); 56 if (!empty($_COOKIE)) remove_magic_quotes($_COOKIE); 57 if (!empty($_REQUEST)) remove_magic_quotes($_REQUEST); 58 if (!empty($_SESSION)) remove_magic_quotes($_SESSION); 59 @ini_set('magic_quotes_gpc', 0); 60 } 61 @set_magic_quotes_runtime(0); 62 @ini_set('magic_quotes_sybase',0); 63 64 // disable gzip if not available 65 if($conf['usegzip'] && !function_exists('gzopen')){ 66 $conf['usegzip'] = 0; 67 } 68 69 // remember original umask 70 $conf['oldumask'] = umask(); 71 72 // make real paths and check them 73 init_paths(); 74 75 // automatic upgrade to script versions of certain files 76 scriptify(DOKU_CONF.'users.auth'); 77 scriptify(DOKU_CONF.'acl.auth'); 78 79 80/** 81 * Checks paths from config file 82 */ 83function init_paths(){ 84 global $conf; 85 86 $paths = array('datadir' => 'pages', 87 'olddir' => 'attic', 88 'mediadir' => 'media', 89 'metadir' => 'meta', 90 'cachedir' => 'cache', 91 'lockdir' => 'locks', 92 'changelog' => 'changes.log'); 93 94 foreach($paths as $c => $p){ 95 96 if(!$conf[$c]) $conf[$c] = $conf['savedir'].'/'.$p; 97 $conf[$c] = init_path($conf[$c]); 98 if(!$conf[$c]) die("$c does not exist or isn't writable. Check config!"); 99 } 100} 101 102/** 103 * returns absolute path 104 * 105 * This tries the given path first, then checks in DOKU_INC 106 */ 107function init_path($path){ 108 $p = realpath($path); 109 if(@file_exists($p)) return $p; 110 $p = realpath(DOKU_INC.$path); 111 if(@file_exists($p)) return $p; 112 return ''; 113} 114 115/** 116 * remove magic quotes recursivly 117 * 118 * @author Andreas Gohr <andi@splitbrain.org> 119 */ 120function remove_magic_quotes(&$array) { 121 foreach (array_keys($array) as $key) { 122 if (is_array($array[$key])) { 123 remove_magic_quotes($array[$key]); 124 }else { 125 $array[$key] = stripslashes($array[$key]); 126 } 127 } 128} 129 130/** 131 * Returns the full absolute URL to the directory where 132 * DokuWiki is installed in (includes a trailing slash) 133 * 134 * @author Andreas Gohr <andi@splitbrain.org> 135 */ 136function getBaseURL($abs=false){ 137 global $conf; 138 //if canonical url enabled always return absolute 139 if($conf['canonical']) $abs = true; 140 141 if($conf['basedir']){ 142 $dir = $conf['basedir'].'/'; 143 }elseif($_SERVER['SCRIPT_NAME']){ 144 $dir = dirname($_SERVER['SCRIPT_NAME']).'/'; 145 }elseif($_SERVER['DOCUMENT_ROOT'] && $_SERVER['SCRIPT_FILENAME']){ 146 $dir = preg_replace ('/^'.preg_quote($_SERVER['DOCUMENT_ROOT'],'/').'/','', 147 $_SERVER['SCRIPT_FILENAME']); 148 $dir = dirname('/'.$dir).'/'; 149 }else{ 150 $dir = dirname($_SERVER['PHP_SELF']).'/'; 151 } 152 153 $dir = str_replace('\\','/',$dir); #bugfix for weird WIN behaviour 154 $dir = preg_replace('#//+#','/',$dir); 155 156 //handle script in lib/exe dir 157 $dir = preg_replace('!lib/exe/$!','',$dir); 158 159 //finish here for relative URLs 160 if(!$abs) return $dir; 161 162 $port = ':'.$_SERVER['SERVER_PORT']; 163 //remove port from hostheader as sent by IE 164 $host = preg_replace('/:.*$/','',$_SERVER['HTTP_HOST']); 165 166 // see if HTTPS is enabled - apache leaves this empty when not available, 167 // IIS sets it to 'off', 'false' and 'disabled' are just guessing 168 if (preg_match('/^(|off|false|disabled)$/i',$_SERVER['HTTPS'])){ 169 $proto = 'http://'; 170 if ($_SERVER['SERVER_PORT'] == '80') { 171 $port=''; 172 } 173 }else{ 174 $proto = 'https://'; 175 if ($_SERVER['SERVER_PORT'] == '443') { 176 $port=''; 177 } 178 } 179 180 return $proto.$host.$port.$dir; 181} 182 183/** 184 * Append a PHP extension to a given file and adds an exit call 185 * 186 * This is used to migrate some old configfiles. An added PHP extension 187 * ensures the contents are not shown to webusers even if .htaccess files 188 * do not work 189 * 190 * @author Jan Decaluwe <jan@jandecaluwe.com> 191 */ 192function scriptify($file) { 193 // checks 194 if (!is_readable($file)) { 195 return; 196 } 197 $fn = $file.'.php'; 198 if (@file_exists($fn)) { 199 return; 200 } 201 $fh = fopen($fn, 'w'); 202 if (!$fh) { 203 die($fn.' is not writable!'); 204 } 205 // write php exit hack first 206 fwrite($fh, "# $fn\n"); 207 fwrite($fh, '# <?php exit()?>'."\n"); 208 fwrite($fh, "# Don't modify the lines above\n"); 209 fwrite($fh, "#\n"); 210 // copy existing lines 211 $lines = file($file); 212 foreach ($lines as $line){ 213 fwrite($fh, $line); 214 } 215 fclose($fh); 216 //try to rename the old file 217 @rename($file,"$file.old"); 218} 219 220 221//Setup VIM: ex: et ts=2 enc=utf-8 : 222