| index : flyspray | |
| Archlinux32 customized Flyspray installation | gitolite user |
| summaryrefslogtreecommitdiff |
| -rw-r--r-- | plugins/dokuwiki/inc/init.php | 367 |
diff --git a/plugins/dokuwiki/inc/init.php b/plugins/dokuwiki/inc/init.php new file mode 100644 index 0000000..272f759 --- /dev/null +++ b/plugins/dokuwiki/inc/init.php @@ -0,0 +1,367 @@ +<?php +/** + * Initialize some defaults needed for DokuWiki + */ + + // start timing Dokuwiki execution + function delta_time($start=0) { + list($usec, $sec) = explode(" ", microtime()); + return ((float)$usec+(float)$sec)-((float)$start); + } + define('DOKU_START_TIME', delta_time()); + + // define the include path + if(!defined('DOKU_INC')) define('DOKU_INC',realpath(dirname(__FILE__).'/../').'/'); + + // define config path (packagers may want to change this to /etc/dokuwiki/) + if(!defined('DOKU_CONF')) define('DOKU_CONF',DOKU_INC.'conf/'); + + // check for error reporting override or set error reporting to sane values + if (!defined('DOKU_E_LEVEL') && @file_exists(DOKU_CONF.'report_e_all')) { + define('DOKU_E_LEVEL', E_ALL); + } + if (!defined('DOKU_E_LEVEL')) { error_reporting(E_ALL ^ E_NOTICE); } + else { error_reporting(DOKU_E_LEVEL); } + + // init memory caches + global $cache_revinfo; $cache_revinfo = array(); + global $cache_wikifn; $cache_wikifn = array(); + global $cache_cleanid; $cache_cleanid = array(); + global $cache_authname; $cache_authname = array(); + + //prepare config array() + global $conf; + if (!defined('DOKU_UNITTEST')) { + $conf = array(); + + // load the config file(s) + require_once(DOKU_CONF.'dokuwiki.php'); + if(@file_exists(DOKU_CONF.'local.php')){ + require_once(DOKU_CONF.'local.php'); + } + } + + //prepare language array + global $lang; + $lang = array(); + + // define baseURL + if(!defined('DOKU_BASE')) define('DOKU_BASE',getBaseURL()); + if(!defined('DOKU_URL')) define('DOKU_URL',getBaseURL(true)); + + // define cookie and session id + if (!defined('DOKU_COOKIE')) define('DOKU_COOKIE', 'DW'.md5(DOKU_URL)); + + // define Plugin dir + if(!defined('DOKU_PLUGIN')) define('DOKU_PLUGIN',DOKU_INC.'lib/plugins/'); + + // define main script + if(!defined('DOKU_SCRIPT')) define('DOKU_SCRIPT','doku.php'); + + // define Template baseURL + if(!defined('DOKU_TPL')) define('DOKU_TPL', + DOKU_BASE.'lib/tpl/'.$conf['template'].'/'); + + // define real Template directory + if(!defined('DOKU_TPLINC')) define('DOKU_TPLINC', + DOKU_INC.'lib/tpl/'.$conf['template'].'/'); + + // make session rewrites XHTML compliant + @ini_set('arg_separator.output', '&'); + + // enable gzip compression + if ($conf['gzip_output'] && + !defined('DOKU_DISABLE_GZIP_OUTPUT') && + function_exists('ob_gzhandler') && + preg_match('/gzip|deflate/', $_SERVER['HTTP_ACCEPT_ENCODING'])) { + ob_start('ob_gzhandler'); + } + + // init session + if (!headers_sent() && !defined('NOSESSION')){ + session_name("DokuWiki"); + session_start(); + } + + // kill magic quotes + if (get_magic_quotes_gpc() && !defined('MAGIC_QUOTES_STRIPPED')) { + if (!empty($_GET)) remove_magic_quotes($_GET); + if (!empty($_POST)) remove_magic_quotes($_POST); + if (!empty($_COOKIE)) remove_magic_quotes($_COOKIE); + if (!empty($_REQUEST)) remove_magic_quotes($_REQUEST); +# if (!empty($_SESSION)) remove_magic_quotes($_SESSION); #FIXME needed ? + @ini_set('magic_quotes_gpc', 0); + define('MAGIC_QUOTES_STRIPPED',1); + } + @set_magic_quotes_runtime(0); + @ini_set('magic_quotes_sybase',0); + + // disable gzip if not available + if($conf['compression'] == 'bz' && !function_exists('bzopen')){ + $conf['compression'] = 'gz'; + } + if($conf['compression'] == 'gz' && !function_exists('gzopen')){ + $conf['compression'] = 0; + } + + // precalculate file creation modes + init_creationmodes(); + + // automatic upgrade to script versions of certain files + scriptify(DOKU_CONF.'users.auth'); + scriptify(DOKU_CONF.'acl.auth'); + + +/** + * Checks paths from config file + */ +function init_paths(){ + global $conf; + + $paths = array('datadir' => 'pages', + 'olddir' => 'attic', + 'mediadir' => 'media', + 'metadir' => 'meta', + 'cachedir' => 'cache', + 'lockdir' => 'locks'); + + foreach($paths as $c => $p){ + if(empty($conf[$c])) $conf[$c] = $conf['savedir'].'/'.$p; + $conf[$c] = init_path($conf[$c]); + if(empty($conf[$c])) nice_die("The $c does not exist, isn't accessable or writable. + You should check your config and permission settings. + Or maybe you want to <a href=\"install.php\">run the + installer</a>?"); + } + + // path to old changelog only needed for upgrading + $conf['changelog_old'] = init_path((isset($conf['changelog']))?($conf['changelog']):($conf['savedir'].'/changes.log')); + if ($conf['changelog_old']=='') { unset($conf['changelog_old']); } + // hardcoded changelog because it is now a cache that lives in meta + $conf['changelog'] = $conf['metadir'].'/_dokuwiki.changes'; +} + +/** + * Checks the existance of certain files and creates them if missing. + */ +function init_files(){ + global $conf; + + $files = array( $conf['cachedir'].'/word.idx', + $conf['cachedir'].'/page.idx', + $conf['cachedir'].'/index.idx'); + + foreach($files as $file){ + if(!@file_exists($file)){ + $fh = @fopen($file,'a'); + if($fh){ + fclose($fh); + if($conf['fperm']) chmod($file, $conf['fperm']); + }else{ + nice_die("$file is not writable. Check your permissions settings!"); + } + } + } +} + +/** + * Returns absolute path + * + * This tries the given path first, then checks in DOKU_INC. + * Check for accessability on directories as well. + * + * @author Andreas Gohr <andi@splitbrain.org> + */ +function init_path($path){ + // check existance + $p = realpath($path); + if(!@file_exists($p)){ + $p = realpath(DOKU_INC.$path); + if(!@file_exists($p)){ + return ''; + } + } + + // check writability + if(!@is_writable($p)){ + return ''; + } + + // check accessability (execute bit) for directories + if(@is_dir($p) && !@file_exists("$p/.")){ + return ''; + } + + return $p; +} + +/** + * Sets the internal config values fperm and dperm which, when set, + * will be used to change the permission of a newly created dir or + * file with chmod. Considers the influence of the system's umask + * setting the values only if needed. + */ +function init_creationmodes(){ + global $conf; + + // Legacy support for old umask/dmask scheme + unset($conf['dmask']); + unset($conf['fmask']); + unset($conf['umask']); + unset($conf['fperm']); + unset($conf['dperm']); + + // get system umask, fallback to 0 if none available + $umask = @umask(); + if(!$umask) $umask = 0000; + + // check what is set automatically by the system on file creation + // and set the fperm param if it's not what we want + $auto_fmode = 0666 & ~$umask; + if($auto_fmode != $conf['fmode']) $conf['fperm'] = $conf['fmode']; + + // check what is set automatically by the system on file creation + // and set the dperm param if it's not what we want + $auto_dmode = $conf['dmode'] & ~$umask; + if($auto_dmode != $conf['dmode']) $conf['dperm'] = $conf['dmode']; +} + +/** + * remove magic quotes recursivly + * + * @author Andreas Gohr <andi@splitbrain.org> + */ +function remove_magic_quotes(&$array) { + foreach (array_keys($array) as $key) { + if (is_array($array[$key])) { + remove_magic_quotes($array[$key]); + }else { + $array[$key] = stripslashes($array[$key]); + } + } +} + +/** + * Returns the full absolute URL to the directory where + * DokuWiki is installed in (includes a trailing slash) + * + * @author Andreas Gohr <andi@splitbrain.org> + */ +function getBaseURL($abs=false){ + global $conf; + //if canonical url enabled always return absolute + if($conf['canonical']) $abs = true; + + if($conf['basedir']){ + $dir = $conf['basedir'].'/'; + }elseif(substr($_SERVER['SCRIPT_NAME'],-4) == '.php'){ + $dir = dirname($_SERVER['SCRIPT_NAME']).'/'; + }elseif(substr($_SERVER['PHP_SELF'],-4) == '.php'){ + $dir = dirname($_SERVER['PHP_SELF']).'/'; + }elseif($_SERVER['DOCUMENT_ROOT'] && $_SERVER['SCRIPT_FILENAME']){ + $dir = preg_replace ('/^'.preg_quote($_SERVER['DOCUMENT_ROOT'],'/').'/','', + $_SERVER['SCRIPT_FILENAME']); + $dir = dirname('/'.$dir).'/'; + }else{ + $dir = './'; //probably wrong + } + + $dir = str_replace('\\','/',$dir); #bugfix for weird WIN behaviour + $dir = preg_replace('#//+#','/',$dir); + + //handle script in lib/exe dir + $dir = preg_replace('!lib/exe/$!','',$dir); + + //handle script in lib/plugins dir + $dir = preg_replace('!lib/plugins/.*$!','',$dir); + + //finish here for relative URLs + if(!$abs) return $dir; + + //use config option if available + if($conf['baseurl']) return $conf['baseurl'].$dir; + + //split hostheader into host and port + list($host,$port) = explode(':',$_SERVER['HTTP_HOST']); + if(!$port) $port = $_SERVER['SERVER_PORT']; + if(!$port) $port = 80; + + // see if HTTPS is enabled - apache leaves this empty when not available, + // IIS sets it to 'off', 'false' and 'disabled' are just guessing + if (preg_match('/^(|off|false|disabled)$/i',$_SERVER['HTTPS'])){ + $proto = 'http://'; + if ($port == '80') { + $port=''; + } + }else{ + $proto = 'https://'; + if ($port == '443') { + $port=''; + } + } + + if($port) $port = ':'.$port; + + return $proto.$host.$port.$dir; +} + +/** + * Append a PHP extension to a given file and adds an exit call + * + * This is used to migrate some old configfiles. An added PHP extension + * ensures the contents are not shown to webusers even if .htaccess files + * do not work + * + * @author Jan Decaluwe <jan@jandecaluwe.com> + */ +function scriptify($file) { + // checks + if (!is_readable($file)) { + return; + } + $fn = $file.'.php'; + if (@file_exists($fn)) { + return; + } + $fh = fopen($fn, 'w'); + if (!$fh) { + nice_die($fn.' is not writable. Check your permission settings!'); + } + // write php exit hack first + fwrite($fh, "# $fn\n"); + fwrite($fh, '# <?php exit()?>'."\n"); + fwrite($fh, "# Don't modify the lines above\n"); + fwrite($fh, "#\n"); + // copy existing lines + $lines = file($file); + foreach ($lines as $line){ + fwrite($fh, $line); + } + fclose($fh); + //try to rename the old file + io_rename($file,"$file.old"); +} + +/** + * print a nice message even if no styles are loaded yet. + */ +function nice_die($msg){ + echo<<<EOT + <!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" + "http://www.w3.org/TR/html4/loose.dtd"> + <html> + <head><title>DokuWiki Setup Error</title></head> + <body style="font-family: Arial, sans-serif"> + <div style="width:60%; margin: auto; background-color: #fcc; + border: 1px solid #faa; padding: 0.5em 1em;"> + <h1 style="font-size: 120%">DokuWiki Setup Error</h1> + <p>$msg</p> + </div> + </body> + </html> +EOT; + exit; +} + + +//Setup VIM: ex: et ts=2 enc=utf-8 : |