removed dokuwiki

1 files changed, 0 insertions, 827 deletions

diff --git a/wiki/inc/io.php b/wiki/inc/io.php
deleted file mode 100644
index 7b646f1..0000000
--- a/wiki/inc/io.php
+++ /dev/null
@@ -1,827 +0,0 @@
-<?php
-/**
- * File IO functions
- *
- * @license    GPL 2 (http://www.gnu.org/licenses/gpl.html)
- * @author     Andreas Gohr <andi@splitbrain.org>
- */
-
-if(!defined('DOKU_INC')) die('meh.');
-
-/**
- * Removes empty directories
- *
- * Sends IO_NAMESPACE_DELETED events for 'pages' and 'media' namespaces.
- * Event data:
- * $data[0]    ns: The colon separated namespace path minus the trailing page name.
- * $data[1]    ns_type: 'pages' or 'media' namespace tree.
- *
- * @todo use safemode hack
- * @param string $id      - a pageid, the namespace of that id will be tried to deleted
- * @param string $basedir - the config name of the type to delete (datadir or mediadir usally)
- * @return bool - true if at least one namespace was deleted
- *
- * @author  Andreas Gohr <andi@splitbrain.org>
- * @author Ben Coburn <btcoburn@silicodon.net>
- */
-function io_sweepNS($id,$basedir='datadir'){
-    global $conf;
-    $types = array ('datadir'=>'pages', 'mediadir'=>'media');
-    $ns_type = (isset($types[$basedir])?$types[$basedir]:false);
-
-    $delone = false;
-
-    //scan all namespaces
-    while(($id = getNS($id)) !== false){
-        $dir = $conf[$basedir].'/'.utf8_encodeFN(str_replace(':','/',$id));
-
-        //try to delete dir else return
-        if(@rmdir($dir)) {
-            if ($ns_type!==false) {
-                $data = array($id, $ns_type);
-                $delone = true; // we deleted at least one dir
-                trigger_event('IO_NAMESPACE_DELETED', $data);
-            }
-        } else { return $delone; }
-    }
-    return $delone;
-}
-
-/**
- * Used to read in a DokuWiki page from file, and send IO_WIKIPAGE_READ events.
- *
- * Generates the action event which delegates to io_readFile().
- * Action plugins are allowed to modify the page content in transit.
- * The file path should not be changed.
- *
- * Event data:
- * $data[0]    The raw arguments for io_readFile as an array.
- * $data[1]    ns: The colon separated namespace path minus the trailing page name. (false if root ns)
- * $data[2]    page_name: The wiki page name.
- * $data[3]    rev: The page revision, false for current wiki pages.
- *
- * @author Ben Coburn <btcoburn@silicodon.net>
- *
- * @param string   $file filename
- * @param string   $id page id
- * @param bool|int $rev revision timestamp
- * @return string
- */
-function io_readWikiPage($file, $id, $rev=false) {
-    if (empty($rev)) { $rev = false; }
-    $data = array(array($file, true), getNS($id), noNS($id), $rev);
-    return trigger_event('IO_WIKIPAGE_READ', $data, '_io_readWikiPage_action', false);
-}
-
-/**
- * Callback adapter for io_readFile().
- *
- * @author Ben Coburn <btcoburn@silicodon.net>
- *
- * @param array $data event data
- * @return string
- */
-function _io_readWikiPage_action($data) {
-    if (is_array($data) && is_array($data[0]) && count($data[0])===2) {
-        return call_user_func_array('io_readFile', $data[0]);
-    } else {
-        return ''; //callback error
-    }
-}
-
-/**
- * Returns content of $file as cleaned string.
- *
- * Uses gzip if extension is .gz
- *
- * If you want to use the returned value in unserialize
- * be sure to set $clean to false!
- *
- * @author  Andreas Gohr <andi@splitbrain.org>
- *
- * @param string $file  filename
- * @param bool   $clean
- * @return string|bool the file contents or false on error
- */
-function io_readFile($file,$clean=true){
-    $ret = '';
-    if(file_exists($file)){
-        if(substr($file,-3) == '.gz'){
-            if(!DOKU_HAS_GZIP) return false;
-            $ret = gzfile($file);
-            if(is_array($ret)) $ret = join('', $ret);
-        }else if(substr($file,-4) == '.bz2'){
-            if(!DOKU_HAS_BZIP) return false;
-            $ret = bzfile($file);
-        }else{
-            $ret = file_get_contents($file);
-        }
-    }
-    if($ret === null) return false;
-    if($ret !== false && $clean){
-        return cleanText($ret);
-    }else{
-        return $ret;
-    }
-}
-/**
- * Returns the content of a .bz2 compressed file as string
- *
- * @author marcel senf <marcel@rucksackreinigung.de>
- * @author  Andreas Gohr <andi@splitbrain.org>
- *
- * @param string $file filename
- * @param bool   $array return array of lines
- * @return string|array|bool content or false on error
- */
-function bzfile($file, $array=false) {
-    $bz = bzopen($file,"r");
-    if($bz === false) return false;
-
-    if($array) $lines = array();
-    $str = '';
-    while (!feof($bz)) {
-        //8192 seems to be the maximum buffersize?
-        $buffer = bzread($bz,8192);
-        if(($buffer === false) || (bzerrno($bz) !== 0)) {
-            return false;
-        }
-        $str = $str . $buffer;
-        if($array) {
-            $pos = strpos($str, "\n");
-            while($pos !== false) {
-                $lines[] = substr($str, 0, $pos+1);
-                $str = substr($str, $pos+1);
-                $pos = strpos($str, "\n");
-            }
-        }
-    }
-    bzclose($bz);
-    if($array) {
-        if($str !== '') $lines[] = $str;
-        return $lines;
-    }
-    return $str;
-}
-
-/**
- * Used to write out a DokuWiki page to file, and send IO_WIKIPAGE_WRITE events.
- *
- * This generates an action event and delegates to io_saveFile().
- * Action plugins are allowed to modify the page content in transit.
- * The file path should not be changed.
- * (The append parameter is set to false.)
- *
- * Event data:
- * $data[0]    The raw arguments for io_saveFile as an array.
- * $data[1]    ns: The colon separated namespace path minus the trailing page name. (false if root ns)
- * $data[2]    page_name: The wiki page name.
- * $data[3]    rev: The page revision, false for current wiki pages.
- *
- * @author Ben Coburn <btcoburn@silicodon.net>
- *
- * @param string $file      filename
- * @param string $content
- * @param string $id        page id
- * @param int|bool $rev timestamp of revision
- * @return bool
- */
-function io_writeWikiPage($file, $content, $id, $rev=false) {
-    if (empty($rev)) { $rev = false; }
-    if ($rev===false) { io_createNamespace($id); } // create namespaces as needed
-    $data = array(array($file, $content, false), getNS($id), noNS($id), $rev);
-    return trigger_event('IO_WIKIPAGE_WRITE', $data, '_io_writeWikiPage_action', false);
-}
-
-/**
- * Callback adapter for io_saveFile().
- * @author Ben Coburn <btcoburn@silicodon.net>
- *
- * @param array $data event data
- * @return bool
- */
-function _io_writeWikiPage_action($data) {
-    if (is_array($data) && is_array($data[0]) && count($data[0])===3) {
-        $ok = call_user_func_array('io_saveFile', $data[0]);
-        // for attic files make sure the file has the mtime of the revision
-        if($ok && is_int($data[3]) && $data[3] > 0) {
-            @touch($data[0][0], $data[3]);
-        }
-        return $ok;
-    } else {
-        return false; //callback error
-    }
-}
-
-/**
- * Internal function to save contents to a file.
- *
- * @author  Andreas Gohr <andi@splitbrain.org>
- *
- * @param string $file filename path to file
- * @param string $content
- * @param bool   $append
- * @return bool true on success, otherwise false
- */
-function _io_saveFile($file, $content, $append) {
-    global $conf;
-    $mode = ($append) ? 'ab' : 'wb';
-    $fileexists = file_exists($file);
-
-    if(substr($file,-3) == '.gz'){
-        if(!DOKU_HAS_GZIP) return false;
-        $fh = @gzopen($file,$mode.'9');
-        if(!$fh) return false;
-        gzwrite($fh, $content);
-        gzclose($fh);
-    }else if(substr($file,-4) == '.bz2'){
-        if(!DOKU_HAS_BZIP) return false;
-        if($append) {
-            $bzcontent = bzfile($file);
-            if($bzcontent === false) return false;
-            $content = $bzcontent.$content;
-        }
-        $fh = @bzopen($file,'w');
-        if(!$fh) return false;
-        bzwrite($fh, $content);
-        bzclose($fh);
-    }else{
-        $fh = @fopen($file,$mode);
-        if(!$fh) return false;
-        fwrite($fh, $content);
-        fclose($fh);
-    }
-
-    if(!$fileexists and !empty($conf['fperm'])) chmod($file, $conf['fperm']);
-    return true;
-}
-
-/**
- * Saves $content to $file.
- *
- * If the third parameter is set to true the given content
- * will be appended.
- *
- * Uses gzip if extension is .gz
- * and bz2 if extension is .bz2
- *
- * @author  Andreas Gohr <andi@splitbrain.org>
- *
- * @param string $file filename path to file
- * @param string $content
- * @param bool   $append
- * @return bool true on success, otherwise false
- */
-function io_saveFile($file, $content, $append=false) {
-    io_makeFileDir($file);
-    io_lock($file);
-    if(!_io_saveFile($file, $content, $append)) {
-        msg("Writing $file failed",-1);
-        io_unlock($file);
-        return false;
-    }
-    io_unlock($file);
-    return true;
-}
-
-/**
- * Replace one or more occurrences of a line in a file.
- *
- * The default, when $maxlines is 0 is to delete all matching lines then append a single line.
- * A regex that matches any part of the line will remove the entire line in this mode.
- * Captures in $newline are not available.
- *
- * Otherwise each line is matched and replaced individually, up to the first $maxlines lines
- * or all lines if $maxlines is -1. If $regex is true then captures can be used in $newline.
- *
- * Be sure to include the trailing newline in $oldline when replacing entire lines.
- *
- * Uses gzip if extension is .gz
- * and bz2 if extension is .bz2
- *
- * @author Steven Danz <steven-danz@kc.rr.com>
- * @author Christopher Smith <chris@jalakai.co.uk>
- * @author Patrick Brown <ptbrown@whoopdedo.org>
- *
- * @param string $file     filename
- * @param string $oldline  exact linematch to remove
- * @param string $newline  new line to insert
- * @param bool   $regex    use regexp?
- * @param int    $maxlines number of occurrences of the line to replace
- * @return bool true on success
- */
-function io_replaceInFile($file, $oldline, $newline, $regex=false, $maxlines=0) {
-    if ((string)$oldline === '') {
-        trigger_error('$oldline parameter cannot be empty in io_replaceInFile()', E_USER_WARNING);
-        return false;
-    }
-
-    if (!file_exists($file)) return true;
-
-    io_lock($file);
-
-    // load into array
-    if(substr($file,-3) == '.gz'){
-        if(!DOKU_HAS_GZIP) return false;
-        $lines = gzfile($file);
-    }else if(substr($file,-4) == '.bz2'){
-        if(!DOKU_HAS_BZIP) return false;
-        $lines = bzfile($file, true);
-    }else{
-        $lines = file($file);
-    }
-
-    // make non-regexes into regexes
-    $pattern = $regex ? $oldline : '/^'.preg_quote($oldline,'/').'$/';
-    $replace = $regex ? $newline : addcslashes($newline, '\$');
-
-    // remove matching lines
-    if ($maxlines > 0) {
-        $count = 0;
-        $matched = 0;
-        foreach($lines as $i => $line) {
-            if($count >= $maxlines) break;
-            // $matched will be set to 0|1 depending on whether pattern is matched and line replaced
-            $lines[$i] = preg_replace($pattern, $replace, $line, -1, $matched);
-            if ($matched) $count++;
-        }
-    } else if ($maxlines == 0) {
-        $lines = preg_grep($pattern, $lines, PREG_GREP_INVERT);
-
-        if ((string)$newline !== ''){
-            $lines[] = $newline;
-        }
-    } else {
-        $lines = preg_replace($pattern, $replace, $lines);
-    }
-
-    if(count($lines)){
-        if(!_io_saveFile($file, join('',$lines), false)) {
-            msg("Removing content from $file failed",-1);
-            io_unlock($file);
-            return false;
-        }
-    }else{
-        @unlink($file);
-    }
-
-    io_unlock($file);
-    return true;
-}
-
-/**
- * Delete lines that match $badline from $file.
- *
- * Be sure to include the trailing newline in $badline
- *
- * @author Patrick Brown <ptbrown@whoopdedo.org>
- *
- * @param string $file    filename
- * @param string $badline exact linematch to remove
- * @param bool   $regex   use regexp?
- * @return bool true on success
- */
-function io_deleteFromFile($file,$badline,$regex=false){
-    return io_replaceInFile($file,$badline,null,$regex,0);
-}
-
-/**
- * Tries to lock a file
- *
- * Locking is only done for io_savefile and uses directories
- * inside $conf['lockdir']
- *
- * It waits maximal 3 seconds for the lock, after this time
- * the lock is assumed to be stale and the function goes on
- *
- * @author Andreas Gohr <andi@splitbrain.org>
- *
- * @param string $file filename
- */
-function io_lock($file){
-    global $conf;
-    // no locking if safemode hack
-    if($conf['safemodehack']) return;
-
-    $lockDir = $conf['lockdir'].'/'.md5($file);
-    @ignore_user_abort(1);
-
-    $timeStart = time();
-    do {
-        //waited longer than 3 seconds? -> stale lock
-        if ((time() - $timeStart) > 3) break;
-        $locked = @mkdir($lockDir, $conf['dmode']);
-        if($locked){
-            if(!empty($conf['dperm'])) chmod($lockDir, $conf['dperm']);
-            break;
-        }
-        usleep(50);
-    } while ($locked === false);
-}
-
-/**
- * Unlocks a file
- *
- * @author Andreas Gohr <andi@splitbrain.org>
- *
- * @param string $file filename
- */
-function io_unlock($file){
-    global $conf;
-    // no locking if safemode hack
-    if($conf['safemodehack']) return;
-
-    $lockDir = $conf['lockdir'].'/'.md5($file);
-    @rmdir($lockDir);
-    @ignore_user_abort(0);
-}
-
-/**
- * Create missing namespace directories and send the IO_NAMESPACE_CREATED events
- * in the order of directory creation. (Parent directories first.)
- *
- * Event data:
- * $data[0]    ns: The colon separated namespace path minus the trailing page name.
- * $data[1]    ns_type: 'pages' or 'media' namespace tree.
- *
- * @author Ben Coburn <btcoburn@silicodon.net>
- *
- * @param string $id page id
- * @param string $ns_type 'pages' or 'media'
- */
-function io_createNamespace($id, $ns_type='pages') {
-    // verify ns_type
-    $types = array('pages'=>'wikiFN', 'media'=>'mediaFN');
-    if (!isset($types[$ns_type])) {
-        trigger_error('Bad $ns_type parameter for io_createNamespace().');
-        return;
-    }
-    // make event list
-    $missing = array();
-    $ns_stack = explode(':', $id);
-    $ns = $id;
-    $tmp = dirname( $file = call_user_func($types[$ns_type], $ns) );
-    while (!@is_dir($tmp) && !(file_exists($tmp) && !is_dir($tmp))) {
-        array_pop($ns_stack);
-        $ns = implode(':', $ns_stack);
-        if (strlen($ns)==0) { break; }
-        $missing[] = $ns;
-        $tmp = dirname(call_user_func($types[$ns_type], $ns));
-    }
-    // make directories
-    io_makeFileDir($file);
-    // send the events
-    $missing = array_reverse($missing); // inside out
-    foreach ($missing as $ns) {
-        $data = array($ns, $ns_type);
-        trigger_event('IO_NAMESPACE_CREATED', $data);
-    }
-}
-
-/**
- * Create the directory needed for the given file
- *
- * @author  Andreas Gohr <andi@splitbrain.org>
- *
- * @param string $file file name
- */
-function io_makeFileDir($file){
-    $dir = dirname($file);
-    if(!@is_dir($dir)){
-        io_mkdir_p($dir) || msg("Creating directory $dir failed",-1);
-    }
-}
-
-/**
- * Creates a directory hierachy.
- *
- * @link    http://php.net/manual/en/function.mkdir.php
- * @author  <saint@corenova.com>
- * @author  Andreas Gohr <andi@splitbrain.org>
- *
- * @param string $target filename
- * @return bool|int|string
- */
-function io_mkdir_p($target){
-    global $conf;
-    if (@is_dir($target)||empty($target)) return 1; // best case check first
-    if (file_exists($target) && !is_dir($target)) return 0;
-    //recursion
-    if (io_mkdir_p(substr($target,0,strrpos($target,'/')))){
-        if($conf['safemodehack']){
-            $dir = preg_replace('/^'.preg_quote(fullpath($conf['ftp']['root']),'/').'/','', $target);
-            return io_mkdir_ftp($dir);
-        }else{
-            $ret = @mkdir($target,$conf['dmode']); // crawl back up & create dir tree
-            if($ret && !empty($conf['dperm'])) chmod($target, $conf['dperm']);
-            return $ret;
-        }
-    }
-    return 0;
-}
-
-/**
- * Recursively delete a directory
- *
- * @author Andreas Gohr <andi@splitbrain.org>
- * @param string $path
- * @param bool   $removefiles defaults to false which will delete empty directories only
- * @return bool
- */
-function io_rmdir($path, $removefiles = false) {
-    if(!is_string($path) || $path == "") return false;
-    if(!file_exists($path)) return true; // it's already gone or was never there, count as success
-
-    if(is_dir($path) && !is_link($path)) {
-        $dirs  = array();
-        $files = array();
-
-        if(!$dh = @opendir($path)) return false;
-        while(false !== ($f = readdir($dh))) {
-            if($f == '..' || $f == '.') continue;
-
-            // collect dirs and files first
-            if(is_dir("$path/$f") && !is_link("$path/$f")) {
-                $dirs[] = "$path/$f";
-            } else if($removefiles) {
-                $files[] = "$path/$f";
-            } else {
-                return false; // abort when non empty
-            }
-
-        }
-        closedir($dh);
-
-        // now traverse into  directories first
-        foreach($dirs as $dir) {
-            if(!io_rmdir($dir, $removefiles)) return false; // abort on any error
-        }
-
-        // now delete files
-        foreach($files as $file) {
-            if(!@unlink($file)) return false; //abort on any error
-        }
-
-        // remove self
-        return @rmdir($path);
-    } else if($removefiles) {
-        return @unlink($path);
-    }
-    return false;
-}
-
-/**
- * Creates a directory using FTP
- *
- * This is used when the safemode workaround is enabled
- *
- * @author <andi@splitbrain.org>
- *
- * @param string $dir name of the new directory
- * @return false|string
- */
-function io_mkdir_ftp($dir){
-    global $conf;
-
-    if(!function_exists('ftp_connect')){
-        msg("FTP support not found - safemode workaround not usable",-1);
-        return false;
-    }
-
-    $conn = @ftp_connect($conf['ftp']['host'],$conf['ftp']['port'],10);
-    if(!$conn){
-        msg("FTP connection failed",-1);
-        return false;
-    }
-
-    if(!@ftp_login($conn, $conf['ftp']['user'], conf_decodeString($conf['ftp']['pass']))){
-        msg("FTP login failed",-1);
-        return false;
-    }
-
-    //create directory
-    $ok = @ftp_mkdir($conn, $dir);
-    //set permissions
-    @ftp_site($conn,sprintf("CHMOD %04o %s",$conf['dmode'],$dir));
-
-    @ftp_close($conn);
-    return $ok;
-}
-
-/**
- * Creates a unique temporary directory and returns
- * its path.
- *
- * @author Michael Klier <chi@chimeric.de>
- *
- * @return false|string path to new directory or false
- */
-function io_mktmpdir() {
-    global $conf;
-
-    $base = $conf['tmpdir'];
-    $dir  = md5(uniqid(mt_rand(), true));
-    $tmpdir = $base.'/'.$dir;
-
-    if(io_mkdir_p($tmpdir)) {
-        return($tmpdir);
-    } else {
-        return false;
-    }
-}
-
-/**
- * downloads a file from the net and saves it
- *
- * if $useAttachment is false,
- * - $file is the full filename to save the file, incl. path
- * - if successful will return true, false otherwise
- *
- * if $useAttachment is true,
- * - $file is the directory where the file should be saved
- * - if successful will return the name used for the saved file, false otherwise
- *
- * @author Andreas Gohr <andi@splitbrain.org>
- * @author Chris Smith <chris@jalakai.co.uk>
- *
- * @param string $url           url to download
- * @param string $file          path to file or directory where to save
- * @param bool   $useAttachment if true: try to use name of download, uses otherwise $defaultName, false: uses $file as path to file
- * @param string $defaultName   fallback for if using $useAttachment
- * @param int    $maxSize       maximum file size
- * @return bool|string          if failed false, otherwise true or the name of the file in the given dir
- */
-function io_download($url,$file,$useAttachment=false,$defaultName='',$maxSize=2097152){
-    global $conf;
-    $http = new DokuHTTPClient();
-    $http->max_bodysize = $maxSize;
-    $http->timeout = 25; //max. 25 sec
-    $http->keep_alive = false; // we do single ops here, no need for keep-alive
-
-    $data = $http->get($url);
-    if(!$data) return false;
-
-    $name = '';
-    if ($useAttachment) {
-        if (isset($http->resp_headers['content-disposition'])) {
-            $content_disposition = $http->resp_headers['content-disposition'];
-            $match=array();
-            if (is_string($content_disposition) &&
-                    preg_match('/attachment;\s*filename\s*=\s*"([^"]*)"/i', $content_disposition, $match)) {
-
-                $name = utf8_basename($match[1]);
-            }
-
-        }
-
-        if (!$name) {
-            if (!$defaultName) return false;
-            $name = $defaultName;
-        }
-
-        $file = $file.$name;
-    }
-
-    $fileexists = file_exists($file);
-    $fp = @fopen($file,"w");
-    if(!$fp) return false;
-    fwrite($fp,$data);
-    fclose($fp);
-    if(!$fileexists and $conf['fperm']) chmod($file, $conf['fperm']);
-    if ($useAttachment) return $name;
-    return true;
-}
-
-/**
- * Windows compatible rename
- *
- * rename() can not overwrite existing files on Windows
- * this function will use copy/unlink instead
- *
- * @param string $from
- * @param string $to
- * @return bool succes or fail
- */
-function io_rename($from,$to){
-    global $conf;
-    if(!@rename($from,$to)){
-        if(@copy($from,$to)){
-            if($conf['fperm']) chmod($to, $conf['fperm']);
-            @unlink($from);
-            return true;
-        }
-        return false;
-    }
-    return true;
-}
-
-/**
- * Runs an external command with input and output pipes.
- * Returns the exit code from the process.
- *
- * @author Tom N Harris <tnharris@whoopdedo.org>
- *
- * @param string $cmd
- * @param string $input  input pipe
- * @param string $output output pipe
- * @return int exit code from process
- */
-function io_exec($cmd, $input, &$output){
-    $descspec = array(
-            0=>array("pipe","r"),
-            1=>array("pipe","w"),
-            2=>array("pipe","w"));
-    $ph = proc_open($cmd, $descspec, $pipes);
-    if(!$ph) return -1;
-    fclose($pipes[2]); // ignore stderr
-    fwrite($pipes[0], $input);
-    fclose($pipes[0]);
-    $output = stream_get_contents($pipes[1]);
-    fclose($pipes[1]);
-    return proc_close($ph);
-}
-
-/**
- * Search a file for matching lines
- *
- * This is probably not faster than file()+preg_grep() but less
- * memory intensive because not the whole file needs to be loaded
- * at once.
- *
- * @author Andreas Gohr <andi@splitbrain.org>
- * @param  string $file    The file to search
- * @param  string $pattern PCRE pattern
- * @param  int    $max     How many lines to return (0 for all)
- * @param  bool   $backref When true returns array with backreferences instead of lines
- * @return array matching lines or backref, false on error
- */
-function io_grep($file,$pattern,$max=0,$backref=false){
-    $fh = @fopen($file,'r');
-    if(!$fh) return false;
-    $matches = array();
-
-    $cnt  = 0;
-    $line = '';
-    while (!feof($fh)) {
-        $line .= fgets($fh, 4096);  // read full line
-        if(substr($line,-1) != "\n") continue;
-
-        // check if line matches
-        if(preg_match($pattern,$line,$match)){
-            if($backref){
-                $matches[] = $match;
-            }else{
-                $matches[] = $line;
-            }
-            $cnt++;
-        }
-        if($max && $max == $cnt) break;
-        $line = '';
-    }
-    fclose($fh);
-    return $matches;
-}
-
-
-/**
- * Get size of contents of a file, for a compressed file the uncompressed size
- * Warning: reading uncompressed size of content of bz-files requires uncompressing
- *
- * @author  Gerrit Uitslag <klapinklapin@gmail.com>
- *
- * @param string $file filename path to file
- * @return int size of file
- */
-function io_getSizeFile($file) {
-    if (!file_exists($file)) return 0;
-
-    if(substr($file,-3) == '.gz'){
-        $fp = @fopen($file, "rb");
-        if($fp === false) return 0;
-
-        fseek($fp, -4, SEEK_END);
-        $buffer = fread($fp, 4);
-        fclose($fp);
-        $array = unpack("V", $buffer);
-        $uncompressedsize = end($array);
-    }else if(substr($file,-4) == '.bz2'){
-        if(!DOKU_HAS_BZIP) return 0;
-
-        $bz = bzopen($file,"r");
-        if($bz === false) return 0;
-
-        $uncompressedsize = 0;
-        while (!feof($bz)) {
-            //8192 seems to be the maximum buffersize?
-            $buffer = bzread($bz,8192);
-            if(($buffer === false) || (bzerrno($bz) !== 0)) {
-                return 0;
-            }
-            $uncompressedsize += strlen($buffer);
-        }
-    }else{
-        $uncompressedsize = filesize($file);
-    }
-
-    return $uncompressedsize;
- }