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 if(@file_exists(DOKU_CONF.'local.php')){ 22 require_once(DOKU_CONF.'local.php'); 23 } 24 25 //prepare language array 26 global $lang; 27 $lang = array(); 28 29 //load the language files 30 require_once(DOKU_INC.'inc/lang/en/lang.php'); 31 if ( $conf['lang'] && $conf['lang'] != 'en' ) { 32 require_once(DOKU_INC.'inc/lang/'.$conf['lang'].'/lang.php'); 33 } 34 35 // define baseURL 36 if(!defined('DOKU_BASE')) define('DOKU_BASE',getBaseURL()); 37 if(!defined('DOKU_URL')) define('DOKU_URL',getBaseURL(true)); 38 39 // define Plugin dir 40 if(!defined('DOKU_PLUGIN')) define('DOKU_PLUGIN',DOKU_INC.'lib/plugins/'); 41 42 // define main script 43 if(!defined('DOKU_SCRIPT')) define('DOKU_SCRIPT','doku.php'); 44 45 // define Template baseURL 46 if(!defined('DOKU_TPL')) define('DOKU_TPL', 47 DOKU_BASE.'lib/tpl/'.$conf['template'].'/'); 48 49 // define real Template directory 50 if(!defined('DOKU_TPLINC')) define('DOKU_TPLINC', 51 DOKU_INC.'lib/tpl/'.$conf['template'].'/'); 52 53 // make session rewrites XHTML compliant 54 @ini_set('arg_separator.output', '&'); 55 56 // init session 57 if (!headers_sent() && !defined('NOSESSION')){ 58 session_name("DokuWiki"); 59 session_start(); 60 } 61 62 // kill magic quotes 63 if (get_magic_quotes_gpc()) { 64 if (!empty($_GET)) remove_magic_quotes($_GET); 65 if (!empty($_POST)) remove_magic_quotes($_POST); 66 if (!empty($_COOKIE)) remove_magic_quotes($_COOKIE); 67 if (!empty($_REQUEST)) remove_magic_quotes($_REQUEST); 68 if (!empty($_SESSION)) remove_magic_quotes($_SESSION); 69 @ini_set('magic_quotes_gpc', 0); 70 } 71 @set_magic_quotes_runtime(0); 72 @ini_set('magic_quotes_sybase',0); 73 74 // disable gzip if not available 75 if($conf['usegzip'] && !function_exists('gzopen')){ 76 $conf['usegzip'] = 0; 77 } 78 79 // Legacy support for old umask/dmask scheme 80 if(isset($conf['dmask'])) { 81 unset($conf['dmask']); 82 unset($conf['fmask']); 83 unset($conf['umask']); 84 } 85 86 // Set defaults for fmode, dmode and umask. 87 if(!isset($conf['fmode'])) { 88 $conf['fmode'] = 0666; 89 } 90 if(!isset($conf['dmode'])) { 91 $conf['dmode'] = 0777; 92 } 93 if(!isset($conf['umask'])) { 94 $conf['umask'] = umask(); 95 } 96 97 // Precalculate the fmask and dmask, so we can set later. 98 if(($conf['umask'] != umask()) or ($conf['fmode'] != 0666)) { 99 $conf['fmask'] = $conf['fmode'] & ~$conf['umask']; 100 } 101 if(($conf['umask'] != umask()) or ($conf['dmode'] != 0666)) { 102 $conf['dmask'] = $conf['dmode'] & ~$conf['umask']; 103 } 104 105 // make real paths and check them 106 init_paths(); 107 init_files(); 108 109 // automatic upgrade to script versions of certain files 110 scriptify(DOKU_CONF.'users.auth'); 111 scriptify(DOKU_CONF.'acl.auth'); 112 113 114/** 115 * Checks paths from config file 116 */ 117function init_paths(){ 118 global $conf; 119 120 $paths = array('datadir' => 'pages', 121 'olddir' => 'attic', 122 'mediadir' => 'media', 123 'metadir' => 'meta', 124 'cachedir' => 'cache', 125 'lockdir' => 'locks', 126 'changelog' => 'changes.log'); 127 128 foreach($paths as $c => $p){ 129 if(!$conf[$c]) $conf[$c] = $conf['savedir'].'/'.$p; 130 $conf[$c] = init_path($conf[$c]); 131 if(!$conf[$c]) die("$c does not exist or isn't writable. Check config!"); 132 } 133} 134 135/** 136 * Checks the existance of certain files and creates them if missing 137 */ 138function init_files(){ 139 global $conf; 140 $files = array( $conf['cachedir'].'/word.idx', 141 $conf['cachedir'].'/page.idx', 142 $conf['cachedir'].'/index.idx', ); 143 144 foreach($files as $file){ 145 if(!@file_exists($file)){ 146 $fh = fopen($file,'a'); 147 fclose($fh); 148 if(isset($conf['fmask'])) { chmod($file, $conf['fmask']); } 149 } 150 } 151} 152 153/** 154 * returns absolute path 155 * 156 * This tries the given path first, then checks in DOKU_INC 157 */ 158function init_path($path){ 159 $p = realpath($path); 160 if(@file_exists($p)) return $p; 161 $p = realpath(DOKU_INC.$path); 162 if(@file_exists($p)) return $p; 163 return ''; 164} 165 166/** 167 * remove magic quotes recursivly 168 * 169 * @author Andreas Gohr <andi@splitbrain.org> 170 */ 171function remove_magic_quotes(&$array) { 172 foreach (array_keys($array) as $key) { 173 if (is_array($array[$key])) { 174 remove_magic_quotes($array[$key]); 175 }else { 176 $array[$key] = stripslashes($array[$key]); 177 } 178 } 179} 180 181/** 182 * Returns the full absolute URL to the directory where 183 * DokuWiki is installed in (includes a trailing slash) 184 * 185 * @author Andreas Gohr <andi@splitbrain.org> 186 */ 187function getBaseURL($abs=false){ 188 global $conf; 189 //if canonical url enabled always return absolute 190 if($conf['canonical']) $abs = true; 191 192 if($conf['basedir']){ 193 $dir = $conf['basedir'].'/'; 194 }elseif(substr($_SERVER['SCRIPT_NAME'],-4) == '.php'){ 195 $dir = dirname($_SERVER['SCRIPT_NAME']).'/'; 196 }elseif(substr($_SERVER['PHP_SELF'],-4) == '.php'){ 197 $dir = dirname($_SERVER['PHP_SELF']).'/'; 198 }elseif($_SERVER['DOCUMENT_ROOT'] && $_SERVER['SCRIPT_FILENAME']){ 199 $dir = preg_replace ('/^'.preg_quote($_SERVER['DOCUMENT_ROOT'],'/').'/','', 200 $_SERVER['SCRIPT_FILENAME']); 201 $dir = dirname('/'.$dir).'/'; 202 }else{ 203 $dir = './'; //probably wrong 204 } 205 206 $dir = str_replace('\\','/',$dir); #bugfix for weird WIN behaviour 207 $dir = preg_replace('#//+#','/',$dir); 208 209 //handle script in lib/exe dir 210 $dir = preg_replace('!lib/exe/$!','',$dir); 211 212 //finish here for relative URLs 213 if(!$abs) return $dir; 214 215 //use config option if available 216 if($conf['baseurl']) return $conf['baseurl'].$dir; 217 218 //split hostheader into host and port 219 list($host,$port) = explode(':',$_SERVER['HTTP_HOST']); 220 if(!$port) $port = $_SERVER['SERVER_PORT']; 221 if(!$port) $port = 80; 222 223 // see if HTTPS is enabled - apache leaves this empty when not available, 224 // IIS sets it to 'off', 'false' and 'disabled' are just guessing 225 if (preg_match('/^(|off|false|disabled)$/i',$_SERVER['HTTPS'])){ 226 $proto = 'http://'; 227 if ($port == '80') { 228 $port=''; 229 } 230 }else{ 231 $proto = 'https://'; 232 if ($port == '443') { 233 $port=''; 234 } 235 } 236 237 if($port) $port = ':'.$port; 238 239 return $proto.$host.$port.$dir; 240} 241 242/** 243 * Append a PHP extension to a given file and adds an exit call 244 * 245 * This is used to migrate some old configfiles. An added PHP extension 246 * ensures the contents are not shown to webusers even if .htaccess files 247 * do not work 248 * 249 * @author Jan Decaluwe <jan@jandecaluwe.com> 250 */ 251function scriptify($file) { 252 // checks 253 if (!is_readable($file)) { 254 return; 255 } 256 $fn = $file.'.php'; 257 if (@file_exists($fn)) { 258 return; 259 } 260 $fh = fopen($fn, 'w'); 261 if (!$fh) { 262 die($fn.' is not writable!'); 263 } 264 // write php exit hack first 265 fwrite($fh, "# $fn\n"); 266 fwrite($fh, '# <?php exit()?>'."\n"); 267 fwrite($fh, "# Don't modify the lines above\n"); 268 fwrite($fh, "#\n"); 269 // copy existing lines 270 $lines = file($file); 271 foreach ($lines as $line){ 272 fwrite($fh, $line); 273 } 274 fclose($fh); 275 //try to rename the old file 276 @rename($file,"$file.old"); 277} 278 279 280//Setup VIM: ex: et ts=2 enc=utf-8 : 281