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# print "$name:".sprintf("dmask:%04o<br>\n",$conf['dmode'])."\n"; 105# print "$name:".sprintf("umask:%04o<br>\n",$conf['umask'])."\n"; 106# print "$name:".sprintf("dmask:%04o<br>\n",$conf['dmask'])."\n"; 107# exit; 108 109 // make real paths and check them 110 init_paths(); 111 init_files(); 112 113 // automatic upgrade to script versions of certain files 114 scriptify(DOKU_CONF.'users.auth'); 115 scriptify(DOKU_CONF.'acl.auth'); 116 117 118/** 119 * Checks paths from config file 120 */ 121function init_paths(){ 122 global $conf; 123 124 $paths = array('datadir' => 'pages', 125 'olddir' => 'attic', 126 'mediadir' => 'media', 127 'metadir' => 'meta', 128 'cachedir' => 'cache', 129 'lockdir' => 'locks', 130 'changelog' => 'changes.log'); 131 132 foreach($paths as $c => $p){ 133 if(!$conf[$c]) $conf[$c] = $conf['savedir'].'/'.$p; 134 $conf[$c] = init_path($conf[$c]); 135 if(!$conf[$c]) die("$c does not exist or isn't writable. Check config!"); 136 } 137} 138 139/** 140 * Checks the existance of certain files and creates them if missing 141 */ 142function init_files(){ 143 global $conf; 144 $files = array( $conf['cachedir'].'/word.idx', 145 $conf['cachedir'].'/page.idx', 146 $conf['cachedir'].'/index.idx', ); 147 148 foreach($files as $file){ 149 if(!@file_exists($file)){ 150 $fh = fopen($file,'a'); 151 fclose($fh); 152 if(isset($conf['fmask'])) { chmod($file, $conf['fmask']); } 153 } 154 } 155} 156 157/** 158 * returns absolute path 159 * 160 * This tries the given path first, then checks in DOKU_INC 161 */ 162function init_path($path){ 163 $p = realpath($path); 164 if(@file_exists($p)) return $p; 165 $p = realpath(DOKU_INC.$path); 166 if(@file_exists($p)) return $p; 167 return ''; 168} 169 170/** 171 * remove magic quotes recursivly 172 * 173 * @author Andreas Gohr <andi@splitbrain.org> 174 */ 175function remove_magic_quotes(&$array) { 176 foreach (array_keys($array) as $key) { 177 if (is_array($array[$key])) { 178 remove_magic_quotes($array[$key]); 179 }else { 180 $array[$key] = stripslashes($array[$key]); 181 } 182 } 183} 184 185/** 186 * Returns the full absolute URL to the directory where 187 * DokuWiki is installed in (includes a trailing slash) 188 * 189 * @author Andreas Gohr <andi@splitbrain.org> 190 */ 191function getBaseURL($abs=false){ 192 global $conf; 193 //if canonical url enabled always return absolute 194 if($conf['canonical']) $abs = true; 195 196 if($conf['basedir']){ 197 $dir = $conf['basedir'].'/'; 198 }elseif(substr($_SERVER['SCRIPT_NAME'],-4) == '.php'){ 199 $dir = dirname($_SERVER['SCRIPT_NAME']).'/'; 200 }elseif(substr($_SERVER['PHP_SELF'],-4) == '.php'){ 201 $dir = dirname($_SERVER['PHP_SELF']).'/'; 202 }elseif($_SERVER['DOCUMENT_ROOT'] && $_SERVER['SCRIPT_FILENAME']){ 203 $dir = preg_replace ('/^'.preg_quote($_SERVER['DOCUMENT_ROOT'],'/').'/','', 204 $_SERVER['SCRIPT_FILENAME']); 205 $dir = dirname('/'.$dir).'/'; 206 }else{ 207 $dir = './'; //probably wrong 208 } 209 210 $dir = str_replace('\\','/',$dir); #bugfix for weird WIN behaviour 211 $dir = preg_replace('#//+#','/',$dir); 212 213 //handle script in lib/exe dir 214 $dir = preg_replace('!lib/exe/$!','',$dir); 215 216 //finish here for relative URLs 217 if(!$abs) return $dir; 218 219 //use config option if available 220 if($conf['baseurl']) return $conf['baseurl'].$dir; 221 222 //split hostheader into host and port 223 list($host,$port) = explode(':',$_SERVER['HTTP_HOST']); 224 if(!$port) $port = $_SERVER['SERVER_PORT']; 225 if(!$port) $port = 80; 226 227 // see if HTTPS is enabled - apache leaves this empty when not available, 228 // IIS sets it to 'off', 'false' and 'disabled' are just guessing 229 if (preg_match('/^(|off|false|disabled)$/i',$_SERVER['HTTPS'])){ 230 $proto = 'http://'; 231 if ($port == '80') { 232 $port=''; 233 } 234 }else{ 235 $proto = 'https://'; 236 if ($port == '443') { 237 $port=''; 238 } 239 } 240 241 if($port) $port = ':'.$port; 242 243 return $proto.$host.$port.$dir; 244} 245 246/** 247 * Append a PHP extension to a given file and adds an exit call 248 * 249 * This is used to migrate some old configfiles. An added PHP extension 250 * ensures the contents are not shown to webusers even if .htaccess files 251 * do not work 252 * 253 * @author Jan Decaluwe <jan@jandecaluwe.com> 254 */ 255function scriptify($file) { 256 // checks 257 if (!is_readable($file)) { 258 return; 259 } 260 $fn = $file.'.php'; 261 if (@file_exists($fn)) { 262 return; 263 } 264 $fh = fopen($fn, 'w'); 265 if (!$fh) { 266 die($fn.' is not writable!'); 267 } 268 // write php exit hack first 269 fwrite($fh, "# $fn\n"); 270 fwrite($fh, '# <?php exit()?>'."\n"); 271 fwrite($fh, "# Don't modify the lines above\n"); 272 fwrite($fh, "#\n"); 273 // copy existing lines 274 $lines = file($file); 275 foreach ($lines as $line){ 276 fwrite($fh, $line); 277 } 278 fclose($fh); 279 //try to rename the old file 280 @rename($file,"$file.old"); 281} 282 283 284//Setup VIM: ex: et ts=2 enc=utf-8 : 285