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Diffstat (limited to 'plugins/dokuwiki/inc/common.php')
| -rw-r--r-- | plugins/dokuwiki/inc/common.php | 1009 |
1 files changed, 1009 insertions, 0 deletions
diff --git a/plugins/dokuwiki/inc/common.php b/plugins/dokuwiki/inc/common.php new file mode 100644 index 0000000..dd4fa31 --- /dev/null +++ b/plugins/dokuwiki/inc/common.php @@ -0,0 +1,1009 @@ +<?php +/** + * Common DokuWiki functions + * + * @license GPL 2 (http://www.gnu.org/licenses/gpl.html) + * @author Andreas Gohr <andi@splitbrain.org> + */ + +if(!defined('DOKU_INC')) define('DOKU_INC',realpath(dirname(__FILE__).'/../').'/'); +require_once(DOKU_CONF.'dokuwiki.php'); +require_once(DOKU_INC.'inc/io.php'); +require_once(DOKU_INC.'inc/utf8.php'); +require_once(DOKU_INC.'inc/parserutils.php'); +require_once(DOKU_INC.'inc/infoutils.php'); + +/** + * These constants are used with the recents function + */ +define('RECENTS_SKIP_DELETED',2); +define('RECENTS_SKIP_MINORS',4); +define('RECENTS_SKIP_SUBSPACES',8); + +/** + * Wrapper around htmlspecialchars() + * + * @author Andreas Gohr <andi@splitbrain.org> + * @see htmlspecialchars() + */ +function hsc($string){ + return htmlspecialchars($string, ENT_QUOTES, 'UTF-8'); +} + +/** + * print a newline terminated string + * + * You can give an indention as optional parameter + * + * @author Andreas Gohr <andi@splitbrain.org> + */ +function ptln($string,$intend=0){ + for($i=0; $i<$intend; $i++) print ' '; + echo "$string\n"; +} + +/** + * strips control characters (<32) from the given string + * + * @author Andreas Gohr <andi@splitbrain.org> + */ +function stripctl($string){ + return preg_replace('/[\x00-\x1F]+/s','',$string); +} + +/** + * Return info about the current document as associative + * array. + * + * @author Andreas Gohr <andi@splitbrain.org> + */ +function pageinfo(){ + global $ID; + global $REV; + global $USERINFO; + global $conf; + + // include ID & REV not redundant, as some parts of DokuWiki may temporarily change $ID, e.g. p_wiki_xhtml + // FIXME ... perhaps it would be better to ensure the temporary changes weren't necessary + $info['id'] = $ID; + $info['rev'] = $REV; + + if($_SERVER['REMOTE_USER']){ + $info['userinfo'] = $USERINFO; + $info['perm'] = auth_quickaclcheck($ID); + $info['subscribed'] = is_subscribed($ID,$_SERVER['REMOTE_USER']); + $info['client'] = $_SERVER['REMOTE_USER']; + + // if some outside auth were used only REMOTE_USER is set + if(!$info['userinfo']['name']){ + $info['userinfo']['name'] = $_SERVER['REMOTE_USER']; + } + + }else{ + $info['perm'] = auth_aclcheck($ID,'',null); + $info['subscribed'] = false; + $info['client'] = clientIP(true); + } + + $info['namespace'] = getNS($ID); + $info['locked'] = checklock($ID); + $info['filepath'] = realpath(wikiFN($ID)); + $info['exists'] = @file_exists($info['filepath']); + if($REV){ + //check if current revision was meant + if($info['exists'] && (@filemtime($info['filepath'])==$REV)){ + $REV = ''; + }else{ + //really use old revision + $info['filepath'] = realpath(wikiFN($ID,$REV)); + $info['exists'] = @file_exists($info['filepath']); + } + } + $info['rev'] = $REV; + if($info['exists']){ + $info['writable'] = (is_writable($info['filepath']) && + ($info['perm'] >= AUTH_EDIT)); + }else{ + $info['writable'] = ($info['perm'] >= AUTH_CREATE); + } + $info['editable'] = ($info['writable'] && empty($info['lock'])); + $info['lastmod'] = @filemtime($info['filepath']); + + //load page meta data + $info['meta'] = p_get_metadata($ID); + + //who's the editor + if($REV){ + $revinfo = getRevisionInfo($ID, $REV, 1024); + }else{ + $revinfo = isset($info['meta']['last_change']) ? $info['meta']['last_change'] : getRevisionInfo($ID,$info['lastmod'],1024); + } + + $info['ip'] = $revinfo['ip']; + $info['user'] = $revinfo['user']; + $info['sum'] = $revinfo['sum']; + // See also $INFO['meta']['last_change'] which is the most recent log line for page $ID. + // Use $INFO['meta']['last_change']['type']==='e' in place of $info['minor']. + + if($revinfo['user']){ + $info['editor'] = $revinfo['user']; + }else{ + $info['editor'] = $revinfo['ip']; + } + + // draft + $draft = getCacheName($info['client'].$ID,'.draft'); + if(@file_exists($draft)){ + if(@filemtime($draft) < @filemtime(wikiFN($ID))){ + // remove stale draft + @unlink($draft); + }else{ + $info['draft'] = $draft; + } + } + + return $info; +} + +/** + * Build an string of URL parameters + * + * @author Andreas Gohr + */ +function buildURLparams($params, $sep='&'){ + $url = ''; + $amp = false; + foreach($params as $key => $val){ + if($amp) $url .= $sep; + + $url .= $key.'='; + $url .= rawurlencode($val); + $amp = true; + } + return $url; +} + +/** + * Build an string of html tag attributes + * + * Skips keys starting with '_', values get HTML encoded + * + * @author Andreas Gohr + */ +function buildAttributes($params){ + $url = ''; + foreach($params as $key => $val){ + if($key{0} == '_') continue; + + $url .= $key.'="'; + $url .= htmlspecialchars ($val); + $url .= '" '; + } + return $url; +} + + +/** + * This builds the breadcrumb trail and returns it as array + * + * @author Andreas Gohr <andi@splitbrain.org> + */ +function breadcrumbs(){ + // we prepare the breadcrumbs early for quick session closing + static $crumbs = null; + if($crumbs != null) return $crumbs; + + global $ID; + global $ACT; + global $conf; + $crumbs = $_SESSION[DOKU_COOKIE]['bc']; + + //first visit? + if (!is_array($crumbs)){ + $crumbs = array(); + } + //we only save on show and existing wiki documents + $file = wikiFN($ID); + if($ACT != 'show' || !@file_exists($file)){ + $_SESSION[DOKU_COOKIE]['bc'] = $crumbs; + return $crumbs; + } + + // page names + $name = noNS($ID); + if ($conf['useheading']) { + // get page title + $title = p_get_first_heading($ID); + if ($title) { + $name = $title; + } + } + + //remove ID from array + if (isset($crumbs[$ID])) { + unset($crumbs[$ID]); + } + + //add to array + $crumbs[$ID] = $name; + //reduce size + while(count($crumbs) > $conf['breadcrumbs']){ + array_shift($crumbs); + } + //save to session + $_SESSION[DOKU_COOKIE]['bc'] = $crumbs; + return $crumbs; +} + +/** + * Filter for page IDs + * + * This is run on a ID before it is outputted somewhere + * currently used to replace the colon with something else + * on Windows systems and to have proper URL encoding + * + * Urlencoding is ommitted when the second parameter is false + * + * @author Andreas Gohr <andi@splitbrain.org> + */ +function idfilter($id,$ue=true){ + global $conf; + if ($conf['useslash'] && $conf['userewrite']){ + $id = strtr($id,':','/'); + }elseif (strtoupper(substr(PHP_OS, 0, 3)) === 'WIN' && + $conf['userewrite']) { + $id = strtr($id,':',';'); + } + if($ue){ + $id = rawurlencode($id); + $id = str_replace('%3A',':',$id); //keep as colon + $id = str_replace('%2F','/',$id); //keep as slash + } + return $id; +} + +/** + * This builds a link to a wikipage + * + * It handles URL rewriting and adds additional parameter if + * given in $more + * + * @author Andreas Gohr <andi@splitbrain.org> + */ +function wl($id='',$more='',$abs=false,$sep='&'){ + global $conf; + if(is_array($more)){ + $more = buildURLparams($more,$sep); + }else{ + $more = str_replace(',',$sep,$more); + } + + $id = idfilter($id); + if($abs){ + $xlink = DOKU_URL; + }else{ + $xlink = DOKU_BASE; + } + + if($conf['userewrite'] == 2){ + $xlink .= DOKU_SCRIPT.'/'.$id; + if($more) $xlink .= '?'.$more; + }elseif($conf['userewrite']){ + $xlink .= $id; + if($more) $xlink .= '?'.$more; + }else{ + $xlink .= DOKU_SCRIPT.'?id='.$id; + if($more) $xlink .= $sep.$more; + } + + return $xlink; +} + +/** + * This builds a link to an alternate page format + * + * Handles URL rewriting if enabled. Follows the style of wl(). + * + * @author Ben Coburn <btcoburn@silicodon.net> + */ +function exportlink($id='',$format='raw',$more='',$abs=false,$sep='&'){ + global $conf; + if(is_array($more)){ + $more = buildURLparams($more,$sep); + }else{ + $more = str_replace(',',$sep,$more); + } + + $format = rawurlencode($format); + $id = idfilter($id); + if($abs){ + $xlink = DOKU_URL; + }else{ + $xlink = DOKU_BASE; + } + + if($conf['userewrite'] == 2){ + $xlink .= DOKU_SCRIPT.'/'.$id.'?do=export_'.$format; + if($more) $xlink .= $sep.$more; + }elseif($conf['userewrite'] == 1){ + $xlink .= '_export/'.$format.'/'.$id; + if($more) $xlink .= '?'.$more; + }else{ + $xlink .= DOKU_SCRIPT.'?do=export_'.$format.$sep.'id='.$id; + if($more) $xlink .= $sep.$more; + } + + return $xlink; +} + +/** + * Build a link to a media file + * + * Will return a link to the detail page if $direct is false + */ +function ml($id='',$more='',$direct=true,$sep='&'){ + global $conf; + if(is_array($more)){ + $more = buildURLparams($more,$sep); + }else{ + $more = str_replace(',',$sep,$more); + } + + $xlink = DOKU_BASE; + + // external URLs are always direct without rewriting + if(preg_match('#^(https?|ftp)://#i',$id)){ + $xlink .= 'lib/exe/fetch.php'; + if($more){ + $xlink .= '?'.$more; + $xlink .= $sep.'media='.rawurlencode($id); + }else{ + $xlink .= '?media='.rawurlencode($id); + } + return $xlink; + } + + $id = idfilter($id); + + // decide on scriptname + if($direct){ + if($conf['userewrite'] == 1){ + $script = '_media'; + }else{ + $script = 'lib/exe/fetch.php'; + } + }else{ + if($conf['userewrite'] == 1){ + $script = '_detail'; + }else{ + $script = 'lib/exe/detail.php'; + } + } + + // build URL based on rewrite mode + if($conf['userewrite']){ + $xlink .= $script.'/'.$id; + if($more) $xlink .= '?'.$more; + }else{ + if($more){ + $xlink .= $script.'?'.$more; + $xlink .= $sep.'media='.$id; + }else{ + $xlink .= $script.'?media='.$id; + } + } + + return $xlink; +} + + + +/** + * Just builds a link to a script + * + * @todo maybe obsolete + * @author Andreas Gohr <andi@splitbrain.org> + */ +function script($script='doku.php'){ +# $link = getBaseURL(); +# $link .= $script; +# return $link; + return DOKU_BASE.DOKU_SCRIPT; +} + +/** + * Spamcheck against wordlist + * + * Checks the wikitext against a list of blocked expressions + * returns true if the text contains any bad words + * + * @author Andreas Gohr <andi@splitbrain.org> + */ +function checkwordblock(){ + global $TEXT; + global $conf; + + if(!$conf['usewordblock']) return false; + + // we prepare the text a tiny bit to prevent spammers circumventing URL checks + $text = preg_replace('!(\b)(www\.[\w.:?\-;,]+?\.[\w.:?\-;,]+?[\w/\#~:.?+=&%@\!\-.:?\-;,]+?)([.:?\-;,]*[^\w/\#~:.?+=&%@\!\-.:?\-;,])!i','\1http://\2 \2\3',$TEXT); + + $wordblocks = getWordblocks(); + //how many lines to read at once (to work around some PCRE limits) + if(version_compare(phpversion(),'4.3.0','<')){ + //old versions of PCRE define a maximum of parenthesises even if no + //backreferences are used - the maximum is 99 + //this is very bad performancewise and may even be too high still + $chunksize = 40; + }else{ + //read file in chunks of 200 - this should work around the + //MAX_PATTERN_SIZE in modern PCRE + $chunksize = 200; + } + while($blocks = array_splice($wordblocks,0,$chunksize)){ + $re = array(); + #build regexp from blocks + foreach($blocks as $block){ + $block = preg_replace('/#.*$/','',$block); + $block = trim($block); + if(empty($block)) continue; + $re[] = $block; + } + if(preg_match('#('.join('|',$re).')#si',$text, $match=array())) { + return true; + } + } + return false; +} + +/** + * Return the IP of the client + * + * Honours X-Forwarded-For and X-Real-IP Proxy Headers + * + * It returns a comma separated list of IPs if the above mentioned + * headers are set. If the single parameter is set, it tries to return + * a routable public address, prefering the ones suplied in the X + * headers + * + * @param boolean $single If set only a single IP is returned + * @author Andreas Gohr <andi@splitbrain.org> + */ +function clientIP($single=false){ + $ip = array(); + $ip[] = $_SERVER['REMOTE_ADDR']; + if(!empty($_SERVER['HTTP_X_FORWARDED_FOR'])) + $ip = array_merge($ip,explode(',',$_SERVER['HTTP_X_FORWARDED_FOR'])); + if(!empty($_SERVER['HTTP_X_REAL_IP'])) + $ip = array_merge($ip,explode(',',$_SERVER['HTTP_X_REAL_IP'])); + + // remove any non-IP stuff + $cnt = count($ip); + $match = array(); + for($i=0; $i<$cnt; $i++){ + if(preg_match('/\d{1,3}\.\d{1,3}\.\d{1,3}\.\d{1,3}/',$ip[$i],$match)) { + $ip[$i] = $match[0]; + } else { + $ip[$i] = ''; + } + if(empty($ip[$i])) unset($ip[$i]); + } + $ip = array_values(array_unique($ip)); + if(!$ip[0]) $ip[0] = '0.0.0.0'; // for some strange reason we don't have a IP + + if(!$single) return join(',',$ip); + + // decide which IP to use, trying to avoid local addresses + $ip = array_reverse($ip); + foreach($ip as $i){ + if(preg_match('/^(127\.|10\.|192\.168\.|172\.((1[6-9])|(2[0-9])|(3[0-1]))\.)/',$i)){ + continue; + }else{ + return $i; + } + } + // still here? just use the first (last) address + return $ip[0]; +} + +/** + * Checks if a given page is currently locked. + * + * removes stale lockfiles + * + * @author Andreas Gohr <andi@splitbrain.org> + */ +function checklock($id){ + global $conf; + $lock = wikiLockFN($id); + + //no lockfile + if(!@file_exists($lock)) return false; + + //lockfile expired + if((time() - filemtime($lock)) > $conf['locktime']){ + @unlink($lock); + return false; + } + + //my own lock + $ip = io_readFile($lock); + if( ($ip == clientIP()) || ($ip == $_SERVER['REMOTE_USER']) ){ + return false; + } + + return $ip; +} + +/** + * Lock a page for editing + * + * @author Andreas Gohr <andi@splitbrain.org> + */ +function lock($id){ + $lock = wikiLockFN($id); + if($_SERVER['REMOTE_USER']){ + io_saveFile($lock,$_SERVER['REMOTE_USER']); + }else{ + io_saveFile($lock,clientIP()); + } +} + +/** + * Unlock a page if it was locked by the user + * + * @author Andreas Gohr <andi@splitbrain.org> + * @return bool true if a lock was removed + */ +function unlock($id){ + $lock = wikiLockFN($id); + if(@file_exists($lock)){ + $ip = io_readFile($lock); + if( ($ip == clientIP()) || ($ip == $_SERVER['REMOTE_USER']) ){ + @unlink($lock); + return true; + } + } + return false; +} + +/** + * convert line ending to unix format + * + * @see formText() for 2crlf conversion + * @author Andreas Gohr <andi@splitbrain.org> + */ +function cleanText($text){ + $text = preg_replace("/(\015\012)|(\015)/","\012",$text); + return $text; +} + +/** + * Prepares text for print in Webforms by encoding special chars. + * It also converts line endings to Windows format which is + * pseudo standard for webforms. + * + * @see cleanText() for 2unix conversion + * @author Andreas Gohr <andi@splitbrain.org> + */ +function formText($text){ + $text = preg_replace("/\012/","\015\012",$text); + return htmlspecialchars($text); +} + +/** + * Returns the specified local text in raw format + * + * @author Andreas Gohr <andi@splitbrain.org> + */ +function rawLocale($id){ + return io_readFile(localeFN($id)); +} + +/** + * Returns the raw WikiText + * + * @author Andreas Gohr <andi@splitbrain.org> + */ +function rawWiki($id,$rev=''){ + return io_readWikiPage(wikiFN($id, $rev), $id, $rev); +} + +/** + * Returns the pagetemplate contents for the ID's namespace + * + * @author Andreas Gohr <andi@splitbrain.org> + */ +function pageTemplate($data){ + $id = $data[0]; + global $conf; + global $INFO; + $tpl = io_readFile(dirname(wikiFN($id)).'/_template.txt'); + $tpl = str_replace('@ID@',$id,$tpl); + $tpl = str_replace('@NS@',getNS($id),$tpl); + $tpl = str_replace('@PAGE@',strtr(noNS($id),'_',' '),$tpl); + $tpl = str_replace('@USER@',$_SERVER['REMOTE_USER'],$tpl); + $tpl = str_replace('@NAME@',$INFO['userinfo']['name'],$tpl); + $tpl = str_replace('@MAIL@',$INFO['userinfo']['mail'],$tpl); + $tpl = str_replace('@DATE@',date($conf['dformat']),$tpl); + return $tpl; +} + + +/** + * Returns the raw Wiki Text in three slices. + * + * The range parameter needs to have the form "from-to" + * and gives the range of the section in bytes - no + * UTF-8 awareness is needed. + * The returned order is prefix, section and suffix. + * + * @author Andreas Gohr <andi@splitbrain.org> + */ +function rawWikiSlices($range,$id,$rev=''){ + list($from,$to) = explode('-',$range,2); + $text = io_readWikiPage(wikiFN($id, $rev), $id, $rev); + if(!$from) $from = 0; + if(!$to) $to = strlen($text)+1; + + $slices[0] = substr($text,0,$from-1); + $slices[1] = substr($text,$from-1,$to-$from); + $slices[2] = substr($text,$to); + + return $slices; +} + +/** + * Joins wiki text slices + * + * function to join the text slices with correct lineendings again. + * When the pretty parameter is set to true it adds additional empty + * lines between sections if needed (used on saving). + * + * @author Andreas Gohr <andi@splitbrain.org> + */ +function con($pre,$text,$suf,$pretty=false){ + + if($pretty){ + if($pre && substr($pre,-1) != "\n") $pre .= "\n"; + if($suf && substr($text,-1) != "\n") $text .= "\n"; + } + + if($pre) $pre .= "\n"; + if($suf) $text .= "\n"; + return $pre.$text.$suf; +} + +/** + * Saves a wikitext by calling io_writeWikiPage. + * Also directs changelog and attic updates. + * + * @author Andreas Gohr <andi@splitbrain.org> + * @author Ben Coburn <btcoburn@silicodon.net> + */ +function saveWikiText($id,$text,$summary,$minor=false){ + /* Note to developers: + This code is subtle and delicate. Test the behavior of + the attic and changelog with dokuwiki and external edits + after any changes. External edits change the wiki page + directly without using php or dokuwiki. + */ + global $conf; + global $lang; + global $REV; + // ignore if no changes were made + if($text == rawWiki($id,'')){ + return; + } + + $file = wikiFN($id); + $old = @filemtime($file); // from page + $wasRemoved = empty($text); + $wasCreated = !@file_exists($file); + $wasReverted = ($REV==true); + $newRev = false; + $oldRev = getRevisions($id, -1, 1, 1024); // from changelog + $oldRev = (int)(empty($oldRev)?0:$oldRev[0]); + if(!@file_exists(wikiFN($id, $old)) && @file_exists($file) && $old>=$oldRev) { + // add old revision to the attic if missing + saveOldRevision($id); + // add a changelog entry if this edit came from outside dokuwiki + if ($old>$oldRev) { + addLogEntry($old, $id); + // send notify mails + notify($id,'admin',$oldRev,'',false); + notify($id,'subscribers',$oldRev,'',false); + // remove soon to be stale instructions + $cache = new cache_instructions($id, $file); + $cache->removeCache(); + } + } + + if ($wasRemoved){ + // pre-save deleted revision + @touch($file); + clearstatcache(); + $newRev = saveOldRevision($id); + // remove empty file + @unlink($file); + // remove old meta info... + $mfiles = metaFiles($id); + $changelog = metaFN($id, '.changes'); + foreach ($mfiles as $mfile) { + // but keep per-page changelog to preserve page history + if (@file_exists($mfile) && $mfile!==$changelog) { @unlink($mfile); } + } + $del = true; + // autoset summary on deletion + if(empty($summary)) $summary = $lang['deleted']; + // remove empty namespaces + io_sweepNS($id, 'datadir'); + io_sweepNS($id, 'mediadir'); + }else{ + // save file (namespace dir is created in io_writeWikiPage) + io_writeWikiPage($file, $text, $id); + // pre-save the revision, to keep the attic in sync + $newRev = saveOldRevision($id); + $del = false; + } + + // select changelog line type + $extra = ''; + $type = 'E'; + if ($wasReverted) { + $type = 'R'; + $extra = $REV; + } + else if ($wasCreated) { $type = 'C'; } + else if ($wasRemoved) { $type = 'D'; } + else if ($minor && $conf['useacl'] && $_SERVER['REMOTE_USER']) { $type = 'e'; } //minor edits only for logged in users + + addLogEntry($newRev, $id, $type, $summary, $extra); + // send notify mails + notify($id,'admin',$old,$summary,$minor); + notify($id,'subscribers',$old,$summary,$minor); + + // update the purgefile (timestamp of the last time anything within the wiki was changed) + io_saveFile($conf['cachedir'].'/purgefile',time()); +} + +/** + * moves the current version to the attic and returns its + * revision date + * + * @author Andreas Gohr <andi@splitbrain.org> + */ +function saveOldRevision($id){ + global $conf; + $oldf = wikiFN($id); + if(!@file_exists($oldf)) return ''; + $date = filemtime($oldf); + $newf = wikiFN($id,$date); + io_writeWikiPage($newf, rawWiki($id), $id, $date); + return $date; +} + +/** + * Sends a notify mail on page change + * + * @param string $id The changed page + * @param string $who Who to notify (admin|subscribers) + * @param int $rev Old page revision + * @param string $summary What changed + * @param boolean $minor Is this a minor edit? + * @param array $replace Additional string substitutions, @KEY@ to be replaced by value + * + * @author Andreas Gohr <andi@splitbrain.org> + */ +function notify($id,$who,$rev='',$summary='',$minor=false,$replace=array()){ + global $lang; + global $conf; + + // decide if there is something to do + if($who == 'admin'){ + if(empty($conf['notify'])) return; //notify enabled? + $text = rawLocale('mailtext'); + $to = $conf['notify']; + $bcc = ''; + }elseif($who == 'subscribers'){ + if(!$conf['subscribers']) return; //subscribers enabled? + if($conf['useacl'] && $_SERVER['REMOTE_USER'] && $minor) return; //skip minors + $bcc = subscriber_addresslist($id); + if(empty($bcc)) return; + $to = ''; + $text = rawLocale('subscribermail'); + }elseif($who == 'register'){ + if(empty($conf['registernotify'])) return; + $text = rawLocale('registermail'); + $to = $conf['registernotify']; + $bcc = ''; + }else{ + return; //just to be safe + } + + $text = str_replace('@DATE@',date($conf['dformat']),$text); + $text = str_replace('@BROWSER@',$_SERVER['HTTP_USER_AGENT'],$text); + $text = str_replace('@IPADDRESS@',$_SERVER['REMOTE_ADDR'],$text); + $text = str_replace('@HOSTNAME@',gethostbyaddr($_SERVER['REMOTE_ADDR']),$text); + $text = str_replace('@NEWPAGE@',wl($id,'',true),$text); + $text = str_replace('@PAGE@',$id,$text); + $text = str_replace('@TITLE@',$conf['title'],$text); + $text = str_replace('@DOKUWIKIURL@',DOKU_URL,$text); + $text = str_replace('@SUMMARY@',$summary,$text); + $text = str_replace('@USER@',$_SERVER['REMOTE_USER'],$text); + + foreach ($replace as $key => $substitution) { + $text = str_replace('@'.strtoupper($key).'@',$substitution, $text); + } + + if($who == 'register'){ + $subject = $lang['mail_new_user'].' '.$summary; + }elseif($rev){ + $subject = $lang['mail_changed'].' '.$id; + $text = str_replace('@OLDPAGE@',wl($id,"rev=$rev",true),$text); + require_once(DOKU_INC.'inc/DifferenceEngine.php'); + $df = new Diff(preg_split('/\n/',rawWiki($id,$rev)), + preg_split('/\n/',rawWiki($id))); + $dformat = new UnifiedDiffFormatter(); + $diff = $dformat->format($df); + }else{ + $subject=$lang['mail_newpage'].' '.$id; + $text = str_replace('@OLDPAGE@','none',$text); + $diff = rawWiki($id); + } + $text = str_replace('@DIFF@',$diff,$text); + $subject = '['.$conf['title'].'] '.$subject; + + mail_send($to,$subject,$text,$conf['mailfrom'],'',$bcc); +} + +/** + * extracts the query from a google referer + * + * @todo should be more generic and support yahoo et al + * @author Andreas Gohr <andi@splitbrain.org> + */ +function getGoogleQuery(){ + $url = parse_url($_SERVER['HTTP_REFERER']); + if(!$url) return ''; + + if(!preg_match("#google\.#i",$url['host'])) return ''; + $query = array(); + parse_str($url['query'],$query); + + return $query['q']; +} + +/** + * Try to set correct locale + * + * @deprecated No longer used + * @author Andreas Gohr <andi@splitbrain.org> + */ +function setCorrectLocale(){ + global $conf; + global $lang; + + $enc = strtoupper($lang['encoding']); + foreach ($lang['locales'] as $loc){ + //try locale + if(@setlocale(LC_ALL,$loc)) return; + //try loceale with encoding + if(@setlocale(LC_ALL,"$loc.$enc")) return; + } + //still here? try to set from environment + @setlocale(LC_ALL,""); +} + +/** + * Return the human readable size of a file + * + * @param int $size A file size + * @param int $dec A number of decimal places + * @author Martin Benjamin <b.martin@cybernet.ch> + * @author Aidan Lister <aidan@php.net> + * @version 1.0.0 + */ +function filesize_h($size, $dec = 1){ + $sizes = array('B', 'KB', 'MB', 'GB'); + $count = count($sizes); + $i = 0; + + while ($size >= 1024 && ($i < $count - 1)) { + $size /= 1024; + $i++; + } + + return round($size, $dec) . ' ' . $sizes[$i]; +} + +/** + * return an obfuscated email address in line with $conf['mailguard'] setting + * + * @author Harry Fuecks <hfuecks@gmail.com> + * @author Christopher Smith <chris@jalakai.co.uk> + */ +function obfuscate($email) { + global $conf; + + switch ($conf['mailguard']) { + case 'visible' : + $obfuscate = array('@' => ' [at] ', '.' => ' [dot] ', '-' => ' [dash] '); + return strtr($email, $obfuscate); + + case 'hex' : + $encode = ''; + for ($x=0; $x < strlen($email); $x++) $encode .= '&#x' . bin2hex($email{$x}).';'; + return $encode; + + case 'none' : + default : + return $email; + } +} + +/** + * Let us know if a user is tracking a page + * + * @author Andreas Gohr <andi@splitbrain.org> + */ +function is_subscribed($id,$uid){ + $file=metaFN($id,'.mlist'); + if (@file_exists($file)) { + $mlist = file($file); + $pos = array_search($uid."\n",$mlist); + return is_int($pos); + } + + return false; +} + +/** + * Return a string with the email addresses of all the + * users subscribed to a page + * + * @author Steven Danz <steven-danz@kc.rr.com> + */ +function subscriber_addresslist($id){ + global $conf; + global $auth; + + $emails = ''; + + if (!$conf['subscribers']) return; + + $mlist = array(); + $file=metaFN($id,'.mlist'); + if (@file_exists($file)) { + $mlist = file($file); + } + if(count($mlist) > 0) { + foreach ($mlist as $who) { + $who = rtrim($who); + $info = $auth->getUserData($who); + $level = auth_aclcheck($id,$who,$info['grps']); + if ($level >= AUTH_READ) { + if (strcasecmp($info['mail'],$conf['notify']) != 0) { + if (empty($emails)) { + $emails = $info['mail']; + } else { + $emails = "$emails,".$info['mail']; + } + } + } + } + } + + return $emails; +} + +/** + * Removes quoting backslashes + * + * @author Andreas Gohr <andi@splitbrain.org> + */ +function unslash($string,$char="'"){ + return str_replace('\\'.$char,$char,$string); +} + +//Setup VIM: ex: et ts=2 enc=utf-8 : |