12345678910111213141516171819202122232425262728293031323334353637383940414243444546474849505152535455565758596061626364656667686970717273747576777879808182838485868788899091929394959697989910010110210310410510610710810911011111211311411511611711811912012112212312412512612712812913013113213313413513613713813914014114214314414514614714814915015115215315415515615715815916016116216316416516616716816917017117217317417517617717817918018118218318418518618718818919019119219319419519619719819920020120220320420520620720820921021121221321421521621721821922022122222322422522622722822923023123223323423523623723823924024124224324424524624724824925025125225325425525625725825926026126226326426526626726826927027127227327427527627727827928028128228328428528628728828929029129229329429529629729829930030130230330430530630730830931031131231331431531631731831932032132232332432532632732832933033133233333433533633733833934034134234334434534634734834935035135235335435535635735835936036136236336436536636736836937037137237337437537637737837938038138238338438538638738838939039139239339439539639739839940040140240340440540640740840941041141241341441541641741841942042142242342442542642742842943043143243343443543643743843944044144244344444544644744844945045145245345445545645745845946046146246346446546646746846947047147247347447547647747847948048148248348448548648748848949049149249349449549649749849950050150250350450550650750850951051151251351451551651751851952052152252352452552652752852953053153253353453553653753853954054154254354454554654754854955055155255355455555655755855956056156256356456556656756856957057157257357457557657757857958058158258358458558658758858959059159259359459559659759859960060160260360460560660760860961061161261361461561661761861962062162262362462562662762862963063163263363463563663763863964064164264364464564664764864965065165265365465565665765865966066166266366466566666766866967067167267367467567667767867968068168268368468568668768868969069169269369469569669769869970070170270370470570670770870971071171271371471571671771871972072172272372472572672772872973073173273373473573673773873974074174274374474574674774874975075175275375475575675775875976076176276376476576676776876977077177277377477577677777877978078178278378478578678778878979079179279379479579679779879980080180280380480580680780880981081181281381481581681781881982082182282382482582682782882983083183283383483583683783883984084184284384484584684784884985085185285385485585685785885986086186286386486586686786886987087187287387487587687787887988088188288388488588688788888989089189289389489589689789889990090190290390490590690790890991091191291391491591691791891992092192292392492592692792892993093193293393493593693793893994094194294394494594694794894995095195295395495595695795895996096196296396496596696796896997097197297397497597697797897998098198298398498598698798898999099199299399499599699799899910001001100210031004100510061007100810091010101110121013101410151016101710181019102010211022102310241025102610271028102910301031103210331034103510361037103810391040104110421043104410451046104710481049105010511052105310541055105610571058105910601061106210631064106510661067106810691070107110721073107410751076107710781079108010811082108310841085108610871088108910901091109210931094109510961097109810991100110111021103110411051106110711081109111011111112111311141115111611171118111911201121112211231124112511261127112811291130113111321133113411351136113711381139114011411142114311441145114611471148114911501151115211531154115511561157115811591160116111621163116411651166116711681169117011711172117311741175117611771178117911801181118211831184118511861187118811891190119111921193119411951196119711981199120012011202120312041205120612071208120912101211121212131214121512161217121812191220122112221223122412251226122712281229123012311232123312341235123612371238123912401241124212431244124512461247124812491250125112521253125412551256125712581259126012611262126312641265126612671268126912701271127212731274127512761277127812791280128112821283128412851286128712881289129012911292129312941295129612971298129913001301130213031304130513061307130813091310131113121313131413151316131713181319132013211322132313241325132613271328132913301331133213331334133513361337133813391340134113421343134413451346134713481349135013511352135313541355135613571358135913601361136213631364136513661367136813691370137113721373137413751376137713781379138013811382138313841385138613871388138913901391139213931394139513961397139813991400140114021403140414051406140714081409141014111412141314141415141614171418141914201421142214231424142514261427142814291430143114321433143414351436143714381439144014411442144314441445144614471448144914501451145214531454145514561457145814591460146114621463146414651466146714681469147014711472147314741475147614771478147914801481148214831484148514861487148814891490149114921493149414951496149714981499150015011502150315041505150615071508150915101511151215131514151515161517151815191520152115221523152415251526152715281529153015311532153315341535153615371538153915401541154215431544154515461547154815491550155115521553155415551556155715581559156015611562156315641565156615671568156915701571157215731574157515761577157815791580158115821583158415851586158715881589159015911592159315941595159615971598159916001601160216031604160516061607160816091610161116121613161416151616161716181619162016211622162316241625162616271628162916301631163216331634163516361637163816391640164116421643164416451646164716481649165016511652165316541655165616571658165916601661166216631664166516661667166816691670167116721673167416751676167716781679168016811682168316841685168616871688168916901691169216931694169516961697169816991700170117021703170417051706170717081709171017111712171317141715171617171718171917201721 |
- <?php
- /*
- PmWiki
- Copyright 2001-2006 Patrick R. Michaud
- pmichaud@pobox.com
- http://www.pmichaud.com/
- This program is free software; you can redistribute it and/or modify
- it under the terms of the GNU General Public License as published by
- the Free Software Foundation; either version 2 of the License, or
- (at your option) any later version.
- This program is distributed in the hope that it will be useful,
- but WITHOUT ANY WARRANTY; without even the implied warranty of
- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- GNU General Public License for more details.
- You should have received a copy of the GNU General Public License
- along with this program; if not, write to the Free Software
- Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
- ----
- Note from Pm: Trying to understand the PmWiki code? Wish it had
- more comments? If you want help with any of the code here,
- write me at <pmichaud@pobox.com> with your question(s) and I'll
- provide explanations (and add comments) that answer them.
- */
- error_reporting(E_ALL ^ E_NOTICE);
- StopWatch('PmWiki');
- @ini_set('magic_quotes_runtime', 0);
- @ini_set('magic_quotes_sybase', 0);
- if (ini_get('register_globals'))
- foreach($_REQUEST as $k=>$v) {
- if (preg_match('/^(GLOBALS|_SERVER|_GET|_POST|_COOKIE|_FILES|_ENV|_REQUEST|_SESSION|FarmD|WikiDir)$/i', $k)) exit();
- ${$k}=''; unset(${$k});
- }
- $UnsafeGlobals = array_keys($GLOBALS); $GCount=0; $FmtV=array();
- SDV($FarmD,dirname(__FILE__));
- SDV($WorkDir,'wiki.d');
- define('PmWiki',1);
- if (preg_match('/\\w\\w:/', $FarmD)) exit();
- @include_once("$FarmD/scripts/version.php");
- $GroupPattern = '[[:upper:]][\\w]*(?:-\\w+)*';
- $NamePattern = '[[:upper:]\\d][\\w]*(?:-\\w+)*';
- $BlockPattern = 'form|div|table|t[rdh]|p|[uo]l|d[ltd]|h[1-6r]|pre|blockquote';
- $WikiWordPattern = '[[:upper:]][[:alnum:]]*(?:[[:upper:]][[:lower:]0-9]|[[:lower:]0-9][[:upper:]])[[:alnum:]]*';
- $WikiDir = new PageStore('wiki.d/{$FullName}');
- $WikiLibDirs = array(&$WikiDir,new PageStore('$FarmD/wikilib.d/{$FullName}'));
- $LocalDir = 'local';
- $InterMapFiles = array("$FarmD/scripts/intermap.txt",
- "$FarmD/local/farmmap.txt", '$SiteGroup.InterMap', 'local/localmap.txt');
- $Newline = "\263"; # deprecated, 2.0.0
- $KeepToken = "\235\235";
- $Now=time();
- define('READPAGE_CURRENT', $Now+604800);
- $TimeFmt = '%B %d, %Y, at %I:%M %p';
- $MessagesFmt = array();
- $BlockMessageFmt = "<h3 class='wikimessage'>$[This post has been blocked by the administrator]</h3>";
- $EditFields = array('text');
- $EditFunctions = array('EditTemplate', 'RestorePage', 'ReplaceOnSave',
- 'SaveAttributes', 'PostPage', 'PostRecentChanges', 'PreviewPage');
- $EnablePost = 1;
- $ChangeSummary = substr(stripmagic(@$_REQUEST['csum']), 0, 100);
- $AsSpacedFunction = 'AsSpaced';
- $SpaceWikiWords = 0;
- $LinkWikiWords = 0;
- $RCDelimPattern = ' ';
- $RecentChangesFmt = array(
- '$SiteGroup.AllRecentChanges' =>
- '* [[{$Group}.{$Name}]] . . . $CurrentTime $[by] $AuthorLink: [=$ChangeSummary=]',
- '$Group.RecentChanges' =>
- '* [[{$Group}/{$Name}]] . . . $CurrentTime $[by] $AuthorLink: [=$ChangeSummary=]');
- $ScriptUrl = 'http://'.$_SERVER['HTTP_HOST'].$_SERVER['SCRIPT_NAME'];
- $PubDirUrl = preg_replace('#/[^/]*$#','/pub',$ScriptUrl,1);
- $HTMLVSpace = "<vspace>";
- $HTMLPNewline = '';
- $MarkupFrame = array();
- $MarkupFrameBase = array('cs' => array(), 'vs' => '', 'ref' => 0,
- 'closeall' => array(), 'is' => array(),
- 'escape' => 1);
- $WikiWordCountMax = 1000000;
- $WikiWordCount['PmWiki'] = 1;
- $UrlExcludeChars = '<>"{}|\\\\^`()[\\]\'';
- $QueryFragPattern = "[?#][^\\s$UrlExcludeChars]*";
- $SuffixPattern = '(?:-?[[:alnum:]]+)*';
- $LinkPageSelfFmt = "<a class='selflink' href='\$LinkUrl'>\$LinkText</a>";
- $LinkPageExistsFmt = "<a class='wikilink' href='\$LinkUrl'>\$LinkText</a>";
- $LinkPageCreateFmt =
- "<a class='createlinktext' rel='nofollow'
- href='{\$PageUrl}?action=edit'>\$LinkText</a><a rel='nofollow'
- class='createlink' href='{\$PageUrl}?action=edit'>?</a>";
- $UrlLinkFmt =
- "<a class='urllink' href='\$LinkUrl' rel='nofollow'>\$LinkText</a>";
- umask(002);
- $CookiePrefix = '';
- $SiteGroup = 'Site';
- $DefaultGroup = 'Main';
- $DefaultName = 'HomePage';
- $GroupHeaderFmt = '(:include {$Group}.GroupHeader self=0:)(:nl:)';
- $GroupFooterFmt = '(:nl:)(:include {$Group}.GroupFooter self=0:)';
- $PagePathFmt = array('{$Group}.$1','$1.$1','$1.{$DefaultName}');
- $PageAttributes = array(
- 'passwdread' => '$[Set new read password:]',
- 'passwdedit' => '$[Set new edit password:]',
- 'passwdattr' => '$[Set new attribute password:]');
- $XLLangs = array('en');
- if (preg_match('/^C$|\.UTF-?8/i',setlocale(LC_ALL,0)))
- setlocale(LC_ALL,'en_US');
- $FmtP = array();
- $FmtPV = array(
- # '$ScriptUrl' => 'PUE($ScriptUrl)', ## $ScriptUrl is special
- '$PageUrl' =>
- 'PUE(($EnablePathInfo)
- ? "$ScriptUrl/$group/$name"
- : "$ScriptUrl?n=$group.$name")',
- '$FullName' => '"$group.$name"',
- '$Groupspaced' => '$AsSpacedFunction($group)',
- '$Namespaced' => '$AsSpacedFunction($name)',
- '$Group' => '$group',
- '$Name' => '$name',
- '$Titlespaced' =>
- '@$page["title"] ? $page["title"] : $AsSpacedFunction($name)',
- '$Title' =>
- '@$page["title"] ? $page["title"] : ($GLOBALS["SpaceWikiWords"]
- ? $AsSpacedFunction($name) : $name)',
- '$LastModifiedBy' => '@$page["author"]',
- '$LastModifiedHost' => '@$page["host"]',
- '$LastModified' => 'strftime($GLOBALS["TimeFmt"], $page["time"])',
- '$LastModifiedSummary' => '@$page["csum"]',
- '$Description' => '@$page["description"]',
- '$SiteGroup' => '$GLOBALS["SiteGroup"]',
- '$VersionNum' => '$GLOBALS["VersionNum"]',
- '$Version' => '$GLOBALS["Version"]',
- '$Author' => 'NoCache($GLOBALS["Author"])',
- '$AuthId' => 'NoCache($GLOBALS["AuthId"])',
- '$DefaultGroup' => '$GLOBALS["DefaultGroup"]',
- '$DefaultName' => '$GLOBALS["DefaultName"]',
- '$Action' => '$GLOBALS["action"]',
- );
- $SaveProperties = array('title', 'description', 'keywords');
- $WikiTitle = 'PmWiki';
- $Charset = 'ISO-8859-1';
- $HTTPHeaders = array(
- "Expires: Tue, 01 Jan 2002 00:00:00 GMT",
- "Cache-Control: no-store, no-cache, must-revalidate",
- "Content-type: text/html; charset=ISO-8859-1;");
- $CacheActions = array('browse','diff','print');
- $EnableHTMLCache = 0;
- $NoHTMLCache = 0;
- $HTMLDoctypeFmt =
- "<!DOCTYPE html
- PUBLIC \"-//W3C//DTD XHTML 1.0 Transitional//EN\"
- \"http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd\">
- <html xmlns='http://www.w3.org/1999/xhtml' xml:lang='en' lang='en'><head>\n";
- $HTMLStylesFmt['pmwiki'] = "
- ul, ol, pre, dl, p { margin-top:0px; margin-bottom:0px; }
- code.escaped { white-space: nowrap; }
- .vspace { margin-top:1.33em; }
- .indent { margin-left:40px; }
- .outdent { margin-left:40px; text-indent:-40px; }
- a.createlinktext { text-decoration:none; border-bottom:1px dotted gray; }
- a.createlink { text-decoration:none; position:relative; top:-0.5em;
- font-weight:bold; font-size:smaller; border-bottom:none; }
- img { border:0px; }
- ";
- $HTMLHeaderFmt['styles'] = array(
- "<style type='text/css'><!--",&$HTMLStylesFmt,"\n--></style>");
- $HTMLBodyFmt = "</head>\n<body>";
- $HTMLStartFmt = array('headers:',&$HTMLDoctypeFmt,&$HTMLHeaderFmt,
- &$HTMLBodyFmt);
- $HTMLEndFmt = "\n</body>\n</html>";
- $PageStartFmt = array(&$HTMLStartFmt,"\n<div id='contents'>\n");
- $PageEndFmt = array('</div>',&$HTMLEndFmt);
- $HandleActions = array(
- 'browse' => 'HandleBrowse', 'print' => 'HandleBrowse',
- 'edit' => 'HandleEdit', 'source' => 'HandleSource',
- 'attr' => 'HandleAttr', 'postattr' => 'HandlePostAttr',
- 'logout' => 'HandleLogoutA', 'login' => 'HandleLoginA');
- $HandleAuth = array(
- 'browse' => 'read', 'source' => 'read', 'print' => 'read',
- 'edit' => 'edit', 'attr' => 'attr', 'postattr' => 'attr',
- 'logout' => 'read', 'login' => 'login');
- $ActionTitleFmt = array(
- 'edit' => '| $[Edit]',
- 'attr' => '| $[Attributes]');
- $DefaultPasswords = array('admin'=>'*','read'=>'','edit'=>'','attr'=>'');
- $AuthCascade = array('edit'=>'read', 'attr'=>'edit');
- $AuthList = array('' => 1, 'nopass:' => 1, '@nopass' => 1);
- $Conditions['enabled'] = '(boolean)@$GLOBALS[$condparm]';
- $Conditions['false'] = 'false';
- $Conditions['true'] = 'true';
- $Conditions['group'] =
- "(boolean)MatchPageNames(\$pagename, FixGlob(\$condparm, '$1$2.*'))";
- $Conditions['name'] =
- "(boolean)MatchPageNames(\$pagename, FixGlob(\$condparm, '$1*.$2'))";
- $Conditions['match'] = 'preg_match("!$condparm!",$pagename)';
- $Conditions['authid'] = 'NoCache(@$GLOBALS["AuthId"] > "")';
- $Conditions['exists'] = 'PageExists(MakePageName(\$pagename, \$condparm))';
- $Conditions['equal'] = 'CompareArgs($condparm) == 0';
- function CompareArgs($arg)
- { $arg = ParseArgs($arg); return strcmp(@$arg[''][0], @$arg[''][1]); }
- $Conditions['auth'] = 'CondAuth($pagename, $condparm)';
- function CondAuth($pagename, $condparm) {
- NoCache();
- list($level, $pn) = explode(' ', $condparm, 2);
- $pn = ($pn > '') ? MakePageName($pagename, $pn) : $pagename;
- return (boolean)RetrieveAuthPage($pn, $level, false, READPAGE_CURRENT);
- }
- ## CondExpr handles complex conditions (expressions)
- ## Portions Copyright 2005 by D. Faure (dfaure@cpan.org)
- function CondExpr($pagename, $condname, $condparm) {
- global $CondExprOps;
- SDV($CondExprOps, 'and|x?or|&&|\\|\\||[!()]');
- if ($condname == '(' || $condname == '[')
- $condparm = preg_replace('/[\\]\\)]\\s*$/', '', $condparm);
- $condparm = str_replace('&&', '&&', $condparm);
- $terms = preg_split("/(?<!\\S)($CondExprOps)(?!\\S)/i", $condparm, -1,
- PREG_SPLIT_DELIM_CAPTURE | PREG_SPLIT_NO_EMPTY);
- foreach($terms as $i => $t) {
- $t = trim($t);
- if (preg_match("/^($CondExprOps)$/i", $t)) continue;
- if ($t) $terms[$i] = CondText($pagename, "if $t", 'TRUE') ? '1' : '0';
- }
- return @eval('return(' . implode(' ', $terms) . ');');
- }
- $Conditions['expr'] = 'CondExpr($pagename, $condname, $condparm)';
- $Conditions['('] = 'CondExpr($pagename, $condname, $condparm)';
- $Conditions['['] = 'CondExpr($pagename, $condname, $condparm)';
- $MarkupTable['_begin']['seq'] = 'B';
- $MarkupTable['_end']['seq'] = 'E';
- Markup('fulltext','>_begin');
- Markup('split','>fulltext',"\n",
- '$RedoMarkupLine=1; return explode("\n",$x);');
- Markup('directives','>split');
- Markup('inline','>directives');
- Markup('links','>inline');
- Markup('block','>links');
- Markup('style','>block');
- Markup('closeall', '_begin',
- '/^\\(:closeall:\\)$/e',
- "'<:block>' . MarkupClose()");
- $ImgExtPattern="\\.(?:gif|jpg|jpeg|png|GIF|JPG|JPEG|PNG)";
- $ImgTagFmt="<img src='\$LinkUrl' alt='\$LinkAlt' title='\$LinkAlt' />";
- $BlockMarkups = array(
- 'block' => array('','','',0),
- 'ul' => array('<ul><li>','</li><li>','</li></ul>',1),
- 'dl' => array('<dl>','</dd>','</dd></dl>',1),
- 'ol' => array('<ol><li>','</li><li>','</li></ol>',1),
- 'p' => array('<p>','','</p>',0),
- 'indent' =>
- array("<div class='indent'>","</div><div class='indent'>",'</div>',1),
- 'outdent' =>
- array("<div class='outdent'>","</div><div class='outdent'>",'</div>',1),
- 'pre' => array('<pre>','','</pre>',0),
- 'table' => array("<table width='100%'>",'','</table>',0));
- foreach(array('http:','https:','mailto:','ftp:','news:','gopher:','nap:',
- 'file:') as $m)
- { $LinkFunctions[$m] = 'LinkIMap'; $IMap[$m]="$m$1"; }
- $LinkFunctions['<:page>'] = 'LinkPage';
- $q = preg_replace('/(\\?|%3f)([-\\w]+=)/', '&$2', @$_SERVER['QUERY_STRING']);
- if ($q != @$_SERVER['QUERY_STRING']) {
- unset($_GET);
- parse_str($q, $_GET);
- $_REQUEST = array_merge($_REQUEST, $_GET, $_POST);
- }
- if (isset($_GET['action'])) $action = $_GET['action'];
- elseif (isset($_POST['action'])) $action = $_POST['action'];
- else $action = 'browse';
- $pagename = $_REQUEST['n'];
- if (!$pagename) $pagename = $_REQUEST['pagename'];
- if (!$pagename &&
- preg_match('!^'.preg_quote($_SERVER['SCRIPT_NAME'],'!').'/?([^?]*)!',
- $_SERVER['REQUEST_URI'],$match))
- $pagename = urldecode($match[1]);
- if (preg_match('/[\\x80-\\xbf]/',$pagename))
- $pagename=utf8_decode($pagename);
- $pagename = preg_replace('![^[:alnum:]\\x80-\\xff]+$!','',$pagename);
- $FmtPV['$RequestedPage'] = "'".htmlspecialchars($pagename, ENT_QUOTES)."'";
- if (file_exists("$FarmD/local/farmconfig.php"))
- include_once("$FarmD/local/farmconfig.php");
- if (IsEnabled($EnableLocalConfig,1)) {
- if (file_exists("$LocalDir/config.php"))
- include_once("$LocalDir/config.php");
- elseif (file_exists('config.php'))
- include_once('config.php');
- }
- SDV($CurrentTime,strftime($TimeFmt,$Now));
- if (IsEnabled($EnableStdConfig,1))
- include_once("$FarmD/scripts/stdconfig.php");
- foreach((array)$InterMapFiles as $f) {
- $f = FmtPageName($f, $pagename);
- if (($v = @file($f)))
- $v = preg_replace('/^\\s*(?>\\w[-\\w]*)(?!:)/m', '$0:', implode('', $v));
- else if (PageExists($f)) {
- $p = ReadPage($f, READPAGE_CURRENT);
- $v = $p['text'];
- } else continue;
- if (!preg_match_all("/^\\s*(\\w[-\\w]*:)[^\\S\n]+(\\S*)/m", $v,
- $match, PREG_SET_ORDER)) continue;
- foreach($match as $m) {
- if (strpos($m[2], '$1') === false) $m[2] .= '$1';
- $LinkFunctions[$m[1]] = 'LinkIMap';
- $IMap[$m[1]] = FmtPageName($m[2], $pagename);
- }
- }
- $LinkPattern = implode('|',array_keys($LinkFunctions));
- SDV($LinkPageCreateSpaceFmt,$LinkPageCreateFmt);
- $ActionTitle = FmtPageName(@$ActionTitleFmt[$action],$pagename);
- if (!function_exists(@$HandleActions[$action])) $action='browse';
- SDV($HandleAuth[$action], 'read');
- $HandleActions[$action]($pagename, $HandleAuth[$action]);
- Lock(0);
- return;
- ## helper functions
- function stripmagic($x)
- { return get_magic_quotes_gpc() ? stripslashes($x) : $x; }
- function pre_r(&$x)
- { return '<pre>'.htmlspecialchars(print_r($x, true)).'</pre>'; }
- function PSS($x)
- { return str_replace('\\"','"',$x); }
- function PVS($x)
- { return preg_replace("/\n[^\\S\n]*(?=\n)/", "\n<:vspace>", $x); }
- function PZZ($x,$y='') { return ''; }
- function PRR($x=NULL)
- { if ($x || is_null($x)) $GLOBALS['RedoMarkupLine']++; return $x; }
- function PUE($x)
- { return preg_replace('/[\\x80-\\xff \'"]/e', "'%'.dechex(ord('$0'))", $x); }
- function PQA($x) {
- $out = '';
- if (preg_match_all('/([a-zA-Z]+)\\s*=\\s*("[^"]*"|\'[^\']*\'|\\S*)/',
- $x, $attr, PREG_SET_ORDER)) {
- foreach($attr as $a) {
- if (preg_match('/^on/i', $a[1])) continue;
- $out .= $a[1] . '='
- . preg_replace( '/^(?![\'"]).*$/e',
- "\"'\".str_replace(\"'\", ''', PSS('$0')).\"'\"", $a[2])
- . ' ';
- }
- }
- return $out;
- }
- function SDV(&$v,$x) { if (!isset($v)) $v=$x; }
- function SDVA(&$var,$val)
- { foreach($val as $k=>$v) if (!isset($var[$k])) $var[$k]=$v; }
- function IsEnabled(&$var,$f=0)
- { return (isset($var)) ? $var : $f; }
- function SetTmplDisplay($var, $val)
- { NoCache(); $GLOBALS['TmplDisplay'][$var] = $val; }
- function NoCache($x = '') { $GLOBALS['NoHTMLCache'] |= 1; return $x; }
- function ParseArgs($x) {
- $z = array();
- preg_match_all('/([-+]|(?>(\\w+)[:=]))?("[^"]*"|\'[^\']*\'|\\S+)/',
- $x, $terms, PREG_SET_ORDER);
- foreach($terms as $t) {
- $v = preg_replace('/^([\'"])?(.*)\\1$/', '$2', $t[3]);
- if ($t[2]) { $z['#'][] = $t[2]; $z[$t[2]] = $v; }
- else { $z['#'][] = $t[1]; $z[$t[1]][] = $v; }
- $z['#'][] = $v;
- }
- return $z;
- }
- function StopWatch($x) {
- global $StopWatch, $EnableStopWatch;
- if (!$EnableStopWatch) return;
- static $wstart = 0, $ustart = 0;
- list($usec,$sec) = explode(' ',microtime());
- $wtime = ($sec+$usec);
- if (!$wstart) $wstart = $wtime;
- if ($EnableStopWatch != 2)
- { $StopWatch[] = sprintf("%05.2f %s", $wtime-$wstart, $x); return; }
- $dat = getrusage();
- $utime = ($dat['ru_utime.tv_sec']+$dat['ru_utime.tv_usec']/1000000);
- if (!$ustart) $ustart=$utime;
- $StopWatch[] =
- sprintf("%05.2f %05.2f %s", $wtime-$wstart, $utime-$ustart, $x);
- }
- ## AsSpaced converts a string with WikiWords into a spaced version
- ## of that string. (It can be overridden via $AsSpacedFunction.)
- function AsSpaced($text) {
- $text = preg_replace("/([[:lower:]\\d])([[:upper:]])/", '$1 $2', $text);
- $text = preg_replace('/(?<![-\\d])(\\d+( |$))/',' $1',$text);
- return preg_replace("/([[:upper:]])([[:upper:]][[:lower:]\\d])/",
- '$1 $2', $text);
- }
- ## Lock is used to make sure only one instance of PmWiki is running when
- ## files are being written. It does not "lock pages" for editing.
- function Lock($op) {
- global $WorkDir,$LockFile;
- SDV($LockFile,"$WorkDir/.flock");
- mkdirp(dirname($LockFile));
- static $lockfp,$curop;
- if (!$lockfp) $lockfp = @fopen($LockFile,"w");
- if (!$lockfp) {
- @unlink($LockFile);
- $lockfp = fopen($LockFile,"w") or
- Abort("Cannot acquire lockfile", "Lockfile");
- fixperms($LockFile);
- }
- if ($op<0) { flock($lockfp,LOCK_UN); fclose($lockfp); $lockfp=0; $curop=0; }
- elseif ($op==0) { flock($lockfp,LOCK_UN); $curop=0; }
- elseif ($op==1 && $curop<1)
- { session_write_close(); flock($lockfp,LOCK_SH); $curop=1; }
- elseif ($op==2 && $curop<2)
- { session_write_close(); flock($lockfp,LOCK_EX); $curop=2; }
- }
- ## mkdirp creates a directory and its parents as needed, and sets
- ## permissions accordingly.
- function mkdirp($dir) {
- global $ScriptUrl;
- if (file_exists($dir)) return;
- if (!file_exists(dirname($dir))) mkdirp(dirname($dir));
- if (mkdir($dir, 0777)) {
- fixperms($dir);
- if (@touch("$dir/xxx")) { unlink("$dir/xxx"); return; }
- rmdir($dir);
- }
- $parent = realpath(dirname($dir));
- $perms = decoct(fileperms($parent) & 03777);
- $msg = "PmWiki needs to have a writable <tt>$dir/</tt> directory
- before it can continue. You can create the directory manually
- by executing the following commands on your server:
- <pre> mkdir $parent/$dir\n chmod 777 $parent/$dir</pre>
- Then, <a href='{$ScriptUrl}'>reload this page</a>.";
- $safemode = ini_get('safe_mode');
- if (!$safemode) $msg .= "<br /><br />Or, for a slightly more
- secure installation, try executing <pre> chmod 2777 $parent</pre>
- on your server and following <a target='_blank' href='$ScriptUrl'>
- this link</a>. Afterwards you can restore the permissions to
- their current setting by executing <pre> chmod $perms $parent</pre>.";
- Abort($msg);
- }
- ## fixperms attempts to correct permissions on a file or directory
- ## so that both PmWiki and the account (current dir) owner can manipulate it
- function fixperms($fname, $add = 0) {
- clearstatcache();
- if (!file_exists($fname)) Abort('no such file');
- $bp = 0;
- if (fileowner($fname)!=@fileowner('.')) $bp = (is_dir($fname)) ? 007 : 006;
- if (filegroup($fname)==@filegroup('.')) $bp <<= 3;
- $bp |= $add;
- if ($bp && (fileperms($fname) & $bp) != $bp)
- @chmod($fname,fileperms($fname)|$bp);
- }
- ## MatchPageNames
- function MatchPageNames($pagelist, $pat) {
- $pagelist = (array)$pagelist;
- foreach((array)$pat as $p) {
- if (count($pagelist) < 1) break;
- switch ($p{0}) {
- case '/':
- $pagelist = preg_grep($p, $pagelist);
- continue;
- case '!':
- $pagelist = array_diff($pagelist, preg_grep($p, $pagelist));
- continue;
- default:
- $p = preg_quote($p, '/');
- $p = str_replace(array('/', '\\*', '\\?', '\\[', '\\]', '\\^'),
- array('.', '.*', '.', '[', ']', '^'), $p);
- $excl = array(); $incl = array();
- foreach(preg_split('/[\\s,]+/', $p, -1, PREG_SPLIT_NO_EMPTY) as $q) {
- if ($q{0} == '-' || $q{0} == '!') $excl[] = '^'.substr($q, 1).'$';
- else $incl[] = "^$q$";
- }
- if ($excl)
- $pagelist = array_diff($pagelist,
- preg_grep('/' . join('|', $excl) . '/i', $pagelist));
- if ($incl)
- $pagelist = preg_grep('/' . join('|', $incl) . '/i', $pagelist);
- }
- }
- return $pagelist;
- }
- function FixGlob($x, $rep = '$1*.$2') {
- return preg_replace('/([\\s,][-!]?)([^.\\s,]+)(?=[\\s,])/', $rep, " $x ");
- }
-
- ## ResolvePageName "normalizes" a pagename based on the current
- ## settings of $DefaultPage and $PagePathFmt. It's normally used
- ## during initialization to fix up any missing or partial pagenames.
- function ResolvePageName($pagename) {
- global $DefaultPage, $DefaultGroup, $DefaultName,
- $GroupPattern, $NamePattern, $EnableFixedUrlRedirect;
- SDV($DefaultPage, "$DefaultGroup.$DefaultName");
- $pagename = preg_replace('!([./][^./]+)\\.html$!', '$1', $pagename);
- if ($pagename == '') return $DefaultPage;
- $p = MakePageName($DefaultPage, $pagename);
- if (!preg_match("/^($GroupPattern)[.\\/]($NamePattern)$/i", $p))
- Abort("?invalid page name");
- if (preg_match("/^($GroupPattern)[.\\/]($NamePattern)$/i", $pagename))
- return $p;
- if (IsEnabled($EnableFixedUrlRedirect, 1)
- && $p && (PageExists($p) || preg_match('/[\\/.]/', $pagename)))
- { Redirect($p); exit(); }
- return MakePageName($DefaultPage, "$pagename.$pagename");
- }
- ## MakePageName is used to convert a string into a valid pagename.
- ## If no group is supplied, then it uses $PagePathFmt to look
- ## for the page in other groups, or else uses the group of the
- ## pagename passed as an argument.
- function MakePageName($basepage,$x) {
- global $MakePageNameFunction, $PageNameChars, $PagePathFmt,
- $MakePageNamePatterns;
- if (@$MakePageNameFunction) return $MakePageNameFunction($basepage,$x);
- SDV($PageNameChars,'-[:alnum:]');
- SDV($MakePageNamePatterns, array(
- "/'/" => '', # strip single-quotes
- "/[^$PageNameChars]+/" => ' ', # convert everything else to space
- "/((^|[^-\\w])\\w)/e" => "strtoupper('$1')",
- "/ /" => ''));
- $m = preg_split('/[.\\/]/', $x);
- if (count($m)<1 || count($m)>2 || $m[0]=='') return '';
- if ($m[1] > '') {
- $group = preg_replace(array_keys($MakePageNamePatterns),
- array_values($MakePageNamePatterns), $m[0]);
- $name = preg_replace(array_keys($MakePageNamePatterns),
- array_values($MakePageNamePatterns), $m[1]);
- return "$group.$name";
- }
- $name = preg_replace(array_keys($MakePageNamePatterns),
- array_values($MakePageNamePatterns), $m[0]);
- if (count($m)>1) { $basepage = "$name.$name"; }
- foreach((array)$PagePathFmt as $pg) {
- $pn = FmtPageName(str_replace('$1',$name,$pg),$basepage);
- if (PageExists($pn)) return $pn;
- }
- $group=preg_replace('/[\\/.].*$/','',$basepage);
- return "$group.$name";
- }
- ## PCache caches basic information about a page and its attributes--
- ## usually everything except page text and page history. This makes
- ## for quicker access to certain values in PageVar below.
- function PCache($pagename, $page) {
- global $PCache;
- foreach($page as $k=>$v)
- if ($k!='text' && strpos($k,':')===false) $PCache[$pagename][$k]=$v;
- }
- ## SetProperty saves a page property into $PCache. For convenience
- ## it returns the $value of the property just set. If $sep is supplied,
- ## then $value is appended to the current property (with $sep as
- ## as separator) instead of replacing it.
- function SetProperty($pagename, $prop, $value, $sep = NULL) {
- global $PCache, $KeepToken;
- NoCache();
- $prop = "=p_$prop";
- $value = preg_replace("/$KeepToken(\\d.*?)$KeepToken/e",
- "\$GLOBALS['KPV']['$1']", $value);
- if (!is_null($sep) && isset($PCache[$pagename][$prop]))
- $value = $PCache[$pagename][$prop] . $sep . $value;
- $PCache[$pagename][$prop] = $value;
- return $value;
- }
- function PageVar($pagename, $var, $pn = '') {
- global $Cursor, $PCache, $FmtPV, $AsSpacedFunction, $ScriptUrl,
- $EnablePathInfo;
- if ($var == '$ScriptUrl') return PUE($ScriptUrl);
- if ($pn) {
- $pn = isset($Cursor[$pn]) ? $Cursor[$pn] : MakePageName($pagename, $pn);
- } else $pn = $pagename;
- if ($pn == '') return '';
- if (preg_match('/^(.+)[.\\/]([^.\\/]+)$/', $pn, $match)
- && !isset($PCache[$pn]['time'])
- && (!@$FmtPV[$var] || strpos($FmtPV[$var], '$page') !== false))
- { $page = ReadPage($pn, READPAGE_CURRENT); PCache($pn, $page); }
- @list($d, $group, $name) = $match;
- $page = &$PCache[$pn];
- if (@$FmtPV[$var]) return eval("return ({$FmtPV[$var]});");
- return '';
- }
-
- ## FmtPageName handles $[internationalization] and $Variable
- ## substitutions in strings based on the $pagename argument.
- function FmtPageName($fmt, $pagename) {
- # Perform $-substitutions on $fmt relative to page given by $pagename
- global $GroupPattern, $NamePattern, $EnablePathInfo, $ScriptUrl,
- $GCount, $UnsafeGlobals, $FmtV, $FmtP, $FmtPV, $PCache, $AsSpacedFunction;
- if (strpos($fmt,'$')===false) return $fmt;
- $fmt = preg_replace('/\\$([A-Z]\\w*Fmt)\\b/e','$GLOBALS[\'$1\']',$fmt);
- $fmt = preg_replace('/\\$\\[(?>([^\\]]+))\\]/e',"XL(PSS('$1'))",$fmt);
- $fmt = str_replace('{$ScriptUrl}', '$ScriptUrl', $fmt);
- $fmt =
- preg_replace('/\\{(\\$[A-Z]\\w+)\\}/e', "PageVar(\$pagename, '$1')", $fmt);
- if (strpos($fmt,'$')===false) return $fmt;
- if ($FmtP) $fmt = preg_replace(array_keys($FmtP), array_values($FmtP), $fmt);
- static $pv, $pvpat;
- if ($pv != count($FmtPV)) {
- $pvpat = str_replace('$', '\\$', implode('|', array_keys($FmtPV)));
- $pv = count($FmtPV);
- }
- $fmt = preg_replace("/(?:$pvpat)\\b/e", "PageVar(\$pagename, '$0')", $fmt);
- $fmt = preg_replace('!\\$ScriptUrl/([^?#\'"\\s<>]+)!e',
- (@$EnablePathInfo) ? "'$ScriptUrl/'.PUE('$1')" :
- "'$ScriptUrl?n='.str_replace('/','.',PUE('$1'))",
- $fmt);
- if (strpos($fmt,'$')===false) return $fmt;
- static $g;
- if ($GCount != count($GLOBALS)+count($FmtV)) {
- $g = array();
- foreach($GLOBALS as $n=>$v) {
- if (is_array($v) || is_object($v) ||
- isset($FmtV["\$$n"]) || in_array($n,$UnsafeGlobals)) continue;
- $g["\$$n"] = $v;
- }
- $GCount = count($GLOBALS)+count($FmtV);
- krsort($g); reset($g);
- }
- $fmt = str_replace(array_keys($g),array_values($g),$fmt);
- $fmt = preg_replace('/(?>(\\$[[:alpha:]]\\w+))/e',
- "isset(\$FmtV['$1']) ? \$FmtV['$1'] : '$1'", $fmt);
- return $fmt;
- }
- ## The XL functions provide translation tables for $[i18n] strings
- ## in FmtPageName().
- function XL($key) {
- global $XL,$XLLangs;
- foreach($XLLangs as $l) if (isset($XL[$l][$key])) return $XL[$l][$key];
- return $key;
- }
- function XLSDV($lang,$a) {
- global $XL;
- foreach($a as $k=>$v) { if (!isset($XL[$lang][$k])) $XL[$lang][$k]=$v; }
- }
- function XLPage($lang,$p) {
- global $TimeFmt,$XLLangs,$FarmD;
- $page = ReadPage($p, READPAGE_CURRENT);
- if (!$page) return;
- $text = preg_replace("/=>\\s*\n/",'=> ',@$page['text']);
- foreach(explode("\n",$text) as $l)
- if (preg_match('/^\\s*[\'"](.+?)[\'"]\\s*=>\\s*[\'"](.+)[\'"]/',$l,$match))
- $xl[stripslashes($match[1])] = stripslashes($match[2]);
- if (isset($xl)) {
- if (@$xl['xlpage-i18n']) {
- $i18n = preg_replace('/[^-\\w]/','',$xl['xlpage-i18n']);
- include_once("$FarmD/scripts/xlpage-$i18n.php");
- }
- if (@$xl['Locale']) setlocale(LC_ALL,$xl['Locale']);
- if (@$xl['TimeFmt']) $TimeFmt=$xl['TimeFmt'];
- array_unshift($XLLangs,$lang);
- XLSDV($lang,$xl);
- }
- }
- ## CmpPageAttr is used with uksort to order a page's elements with
- ## the latest items first. This can make some operations more efficient.
- function CmpPageAttr($a, $b) {
- @list($x, $agmt) = explode(':', $a);
- @list($x, $bgmt) = explode(':', $b);
- if ($agmt != $bgmt)
- return ($agmt==0 || $bgmt==0) ? $agmt - $bgmt : $bgmt - $agmt;
- return strcmp($a, $b);
- }
- ## class PageStore holds objects that store pages via the native
- ## filesystem.
- class PageStore {
- var $dirfmt;
- var $iswrite;
- function PageStore($d='$WorkDir/$FullName', $w=0)
- { $this->dirfmt=$d; $this->iswrite=$w; }
- function pagefile($pagename) {
- global $FarmD;
- $dfmt = $this->dirfmt;
- if ($pagename > '') {
- $pagename = str_replace('/', '.', $pagename);
- if ($dfmt == 'wiki.d/{$FullName}') # optimizations for
- return "wiki.d/$pagename"; # standard locations
- if ($dfmt == '$FarmD/wikilib.d/{$FullName}') #
- return "$FarmD/wikilib.d/$pagename"; #
- if ($dfmt == 'wiki.d/{$Group}/{$FullName}')
- return preg_replace('/([^.]+).*/', 'wiki.d/$1/$0', $pagename);
- }
- return FmtPageName($dfmt, $pagename);
- }
- function read($pagename, $since=0) {
- $newline = '';
- $urlencoded = false;
- $pagefile = $this->pagefile($pagename);
- if ($pagefile && ($fp=@fopen($pagefile, "r"))) {
- while (!feof($fp)) {
- $line = fgets($fp, 4096);
- while (substr($line, -1, 1) != "\n" && !feof($fp))
- { $line .= fgets($fp, 4096); }
- $line = rtrim($line);
- if ($urlencoded) $line = urldecode(str_replace('+', '%2b', $line));
- @list($k,$v) = explode('=', $line, 2);
- if (!$k) continue;
- if ($k == 'version') {
- $ordered = (strpos($v, 'ordered=1') !== false);
- $urlencoded = (strpos($v, 'urlencoded=1') !== false);
- if (strpos($v, 'pmwiki-0.')!==false) $newline="\262";
- }
- if ($k == 'newline') { $newline = $v; continue; }
- if ($since > 0 && preg_match('/:(\\d+)/', $k, $m) && $m[1] < $since) {
- if ($ordered) break;
- continue;
- }
- if ($newline) $v = str_replace($newline, "\n", $v);
- $page[$k] = $v;
- }
- fclose($fp);
- }
- return @$page;
- }
- function write($pagename,$page) {
- global $Now, $Version;
- $page['name'] = $pagename;
- $page['time'] = $Now;
- $page['host'] = $_SERVER['REMOTE_ADDR'];
- $page['agent'] = @$_SERVER['HTTP_USER_AGENT'];
- $page['rev'] = @$page['rev']+1;
- unset($page['version']); unset($page['newline']);
- uksort($page, 'CmpPageAttr');
- $s = false;
- $pagefile = $this->pagefile($pagename);
- $dir = dirname($pagefile); mkdirp($dir);
- if (!file_exists("$dir/.htaccess") && $fp = @fopen("$dir/.htaccess", "w"))
- { fwrite($fp, "Order Deny,Allow\nDeny from all\n"); fclose($fp); }
- if ($pagefile && ($fp=fopen("$pagefile,new","w"))) {
- $r0 = array('%', "\n", '<');
- $r1 = array('%25', '%0a', '%3c');
- $x = "version=$Version ordered=1 urlencoded=1\n";
- $s = true && fputs($fp, $x); $sz = strlen($x);
- foreach($page as $k=>$v)
- if ($k > '' && $k{0} != '=') {
- $x = str_replace($r0, $r1, "$k=$v") . "\n";
- $s = $s && fputs($fp, $x); $sz += strlen($x);
- }
- $s = fclose($fp) && $s;
- $s = $s && (filesize("$pagefile,new") > $sz * 0.95);
- if (file_exists($pagefile)) $s = $s && unlink($pagefile);
- $s = $s && rename("$pagefile,new", $pagefile);
- }
- $s && fixperms($pagefile);
- if (!$s)
- Abort("Cannot write page to $pagename ($pagefile)...changes not saved");
- PCache($pagename, $page);
- }
- function exists($pagename) {
- if (!$pagename) return false;
- $pagefile = $this->pagefile($pagename);
- return ($pagefile && file_exists($pagefile));
- }
- function delete($pagename) {
- global $Now;
- $pagefile = $this->pagefile($pagename);
- @rename($pagefile,"$pagefile,del-$Now");
- }
- function ls($pats=NULL) {
- global $GroupPattern, $NamePattern;
- StopWatch("PageStore::ls begin {$this->dir}");
- $pats=(array)$pats;
- array_push($pats, "/^$GroupPattern\.$NamePattern$/");
- $dir = $this->pagefile('$Group.$Name');
- $dirlist = array(preg_replace('!/*[^/]*\\$.*$!','',$dir));
- $out = array();
- while (count($dirlist)>0) {
- $dir = array_shift($dirlist);
- $dfp = @opendir($dir); if (!$dfp) { continue; }
- $o = array();
- while ( ($pagefile = readdir($dfp)) !== false) {
- if ($pagefile{0} == '.') continue;
- if (is_dir("$dir/$pagefile"))
- { array_push($dirlist,"$dir/$pagefile"); continue; }
- $o[] = $pagefile;
- }
- closedir($dfp);
- StopWatch("PageStore::ls merge {$this->dir}");
- $out = array_merge($out, MatchPageNames($o, $pats));
- }
- StopWatch("PageStore::ls end {$this->dir}");
- return $out;
- }
- }
- function ReadPage($pagename, $since=0) {
- # read a page from the appropriate directories given by $WikiReadDirsFmt.
- global $WikiLibDirs,$Now;
- foreach ($WikiLibDirs as $dir) {
- $page = $dir->read($pagename, $since);
- if ($page) break;
- }
- if (@!$page) $page['ctime'] = $Now;
- if (@!$page['time']) $page['time'] = $Now;
- return $page;
- }
- function WritePage($pagename,$page) {
- global $WikiLibDirs,$WikiDir,$LastModFile;
- $WikiDir->iswrite = 1;
- for($i=0; $i<count($WikiLibDirs); $i++) {
- $wd = &$WikiLibDirs[$i];
- if ($wd->iswrite && $wd->exists($pagename)) break;
- }
- if ($i >= count($WikiLibDirs)) $wd = &$WikiDir;
- $wd->write($pagename,$page);
- if ($LastModFile && !@touch($LastModFile))
- { unlink($LastModFile); touch($LastModFile); fixperms($LastModFile); }
- }
- function PageExists($pagename) {
- ## note: $PageExistsCache might change or disappear someday
- global $WikiLibDirs, $PageExistsCache;
- if (!isset($PageExistsCache[$pagename])) {
- foreach((array)$WikiLibDirs as $dir)
- if ($PageExistsCache[$pagename] = $dir->exists($pagename)) break;
- }
- return $PageExistsCache[$pagename];
- }
- function ListPages($pat=NULL) {
- global $WikiLibDirs;
- foreach((array)$WikiLibDirs as $dir)
- $out = array_unique(array_merge($dir->ls($pat),(array)@$out));
- return $out;
- }
- function RetrieveAuthPage($pagename, $level, $authprompt=true, $since=0) {
- global $AuthFunction;
- SDV($AuthFunction,'PmWikiAuth');
- if (!function_exists($AuthFunction)) return ReadPage($pagename, $since);
- return $AuthFunction($pagename, $level, $authprompt, $since);
- }
- function Abort($msg) {
- # exit pmwiki with an abort message
- echo "<h3>PmWiki can't process your request</h3>
- <p>$msg</p><p>We are sorry for any inconvenience.</p>";
- exit;
- }
- function Redirect($pagename,$urlfmt='$PageUrl') {
- # redirect the browser to $pagename
- global $EnableRedirect,$RedirectDelay;
- SDV($RedirectDelay,0);
- clearstatcache();
- #if (!PageExists($pagename)) $pagename=$DefaultPage;
- $pageurl = FmtPageName($urlfmt,$pagename);
- if (IsEnabled($EnableRedirect,1) &&
- (!isset($_REQUEST['redirect']) || $_REQUEST['redirect'])) {
- header("Location: $pageurl");
- header("Content-type: text/html");
- echo "<html><head>
- <meta http-equiv='Refresh' Content='$RedirectDelay; URL=$pageurl' />
- <title>Redirect</title></head><body></body></html>";
- } else echo "<a href='$pageurl'>Redirect to $pageurl</a>";
- exit;
- }
- function PrintFmt($pagename,$fmt) {
- global $HTTPHeaders,$FmtV;
- if (is_array($fmt))
- { foreach($fmt as $f) PrintFmt($pagename,$f); return; }
- if ($fmt == 'headers:') {
- foreach($HTTPHeaders as $h) (@$sent++) ? @header($h) : header($h);
- return;
- }
- $x = FmtPageName($fmt,$pagename);
- if (strncmp($fmt, 'function:', 9) == 0 &&
- preg_match('/^function:(\S+)\s*(.*)$/s', $x, $match) &&
- function_exists($match[1]))
- { $match[1]($pagename,$match[2]); return; }
- if (strncmp($fmt, 'file:', 5) == 0 && preg_match("/^file:(.+)/s",$x,$match)) {
- $filelist = preg_split('/[\\s]+/',$match[1],-1,PREG_SPLIT_NO_EMPTY);
- foreach($filelist as $f) {
- if (file_exists($f)) { include($f); return; }
- }
- return;
- }
- if (preg_match("/^markup:(.*)$/",$x,$match))
- { print MarkupToHTML($pagename,$match[1]); return; }
- if (preg_match('/^wiki:(.+)$/', $x, $match))
- { PrintWikiPage($pagename, $match[1], 'read'); return; }
- if (preg_match('/^page:(.+)$/', $x, $match))
- { PrintWikiPage($pagename, $match[1], ''); return; }
- echo $x;
- }
- function PrintWikiPage($pagename, $wikilist=NULL, $auth='read') {
- if (is_null($wikilist)) $wikilist=$pagename;
- $pagelist = preg_split('/\s+/',$wikilist,-1,PREG_SPLIT_NO_EMPTY);
- foreach($pagelist as $p) {
- if (PageExists($p)) {
- $page = ($auth) ? RetrieveAuthPage($p, $auth, false, READPAGE_CURRENT)
- : ReadPage($p, READPAGE_CURRENT);
- if ($page['text'])
- echo MarkupToHTML($pagename,$page['text']);
- return;
- }
- }
- }
- function Keep($x, $pool=NULL) {
- # Keep preserves a string from being processed by wiki markups
- global $BlockPattern, $KeepToken, $KPV, $KPCount;
- $x = preg_replace("/$KeepToken(\\d.*?)$KeepToken/e", "\$KPV['\$1']", $x);
- if (is_null($pool) && preg_match("!</?($BlockPattern)\\b!", $x)) $pool = 'B';
- $KPCount++; $KPV[$KPCount.$pool]=$x;
- return $KeepToken.$KPCount.$pool.$KeepToken;
- }
- function CondText($pagename,$condspec,$condtext) {
- global $Conditions;
- if (!preg_match("/^(\\S+)\\s*(!?)\\s*(\\S+)?\\s*(.*?)\\s*$/",
- $condspec,$match)) return '';
- @list($condstr,$condtype,$not,$condname,$condparm) = $match;
- if (isset($Conditions[$condname])) {
- $tf = @eval("return (".$Conditions[$condname].");");
- if (!$tf xor $not) $condtext='';
- }
- return $condtext;
- }
- function IncludeText($pagename, $inclspec) {
- global $MaxIncludes, $InclCount;
- SDV($MaxIncludes,50);
- $npat = '[[:alpha:]][-\\w]*';
- if ($InclCount++>=$MaxIncludes) return Keep($inclspec);
- $args = array_merge(array('self' => 1), ParseArgs($inclspec));
- while (count($args['#'])>0) {
- $k = array_shift($args['#']); $v = array_shift($args['#']);
- if ($k=='') {
- preg_match('/^([^#\\s]*)(.*)$/', $v, $match);
- if ($match[1]) { # include a page
- if (isset($itext)) continue;
- $iname = MakePageName($pagename, $match[1]);
- if (!$args['self'] && $iname == $pagename) continue;
- if (!PageExists($iname)) continue;
- $ipage = RetrieveAuthPage($iname, 'read', false, READPAGE_CURRENT);
- $itext = @$ipage['text'];
- }
- if (preg_match("/^#($npat)?(\\.\\.)?(#($npat)?)?$/", $match[2], $m)) {
- @list($x, $aa, $dots, $b, $bb) = $m;
- if (!$dots && !$b) $bb = $npat;
- if ($aa)
- $itext=preg_replace("/^.*?\n([^\n]*\\[\\[#$aa\\]\\])/s",
- '$1', $itext, 1);
- if ($bb)
- $itext=preg_replace("/(\n)[^\n]*\\[\\[#$bb\\]\\].*$/s",
- '$1', $itext, 1);
- }
- continue;
- }
- if (in_array($k, array('line', 'lines', 'para', 'paras'))) {
- preg_match('/^(\\d*)(\\.\\.(\\d*))?$/', $v, $match);
- @list($x, $a, $dots, $b) = $match;
- $upat = ($k{0} == 'p') ? ".*?(\n\\s*\n|$)" : "[^\n]*(?:\n|$)";
- if (!$dots) { $b=$a; $a=0; }
- if ($a>0) $a--;
- $itext=preg_replace("/^(($upat){0,$b}).*$/s",'$1',$itext,1);
- $itext=preg_replace("/^($upat){0,$a}/s",'',$itext,1);
- continue;
- }
- }
- return PVS(htmlspecialchars(@$itext, ENT_NOQUOTES));
- }
- function RedirectMarkup($pagename, $opt) {
- $k = Keep("(:redirect $opt:)");
- global $MarkupFrame;
- if (!@$MarkupFrame[0]['redirect']) return $k;
- $opt = ParseArgs($opt);
- $to = @$opt['to']; if (!$to) $to = @$opt[''][0];
- if (!$to) return $k;
- if (preg_match('/^([^#]+)(#[A-Za-z][-\\w]*)$/', $to, $match))
- { $to = $match[1]; $anchor = $match[2]; }
- $to = MakePageName($pagename, $to);
- if (!PageExists($to)) return $k;
- if ($to == $pagename) return '';
- if (@$opt['from']
- && !MatchPageNames($pagename, FixGlob($opt['from'], '$1*.$2')))
- return '';
- if (preg_match('/^30[1237]$/', @$opt['status']))
- header("HTTP/1.1 {$opt['status']}");
- Redirect($to, "{\$PageUrl}?from=$pagename$anchor");
- exit();
- }
-
- function Block($b) {
- global $BlockMarkups,$HTMLVSpace,$HTMLPNewline,$MarkupFrame;
- $mf = &$MarkupFrame[0]; $cs = &$mf['cs']; $vspaces = &$mf['vs'];
- $out = '';
- if ($b == 'vspace') {
- $vspaces .= "\n";
- while (count($cs)>0 && @end($cs)!='pre' && @$BlockMarkups[@end($cs)][3]==0)
- { $c = array_pop($cs); $out .= $BlockMarkups[$c][2]; }
- return $out;
- }
- @list($code, $depth, $icol) = explode(',', $b);
- if (!$code) $depth = 1;
- if ($depth == 0) $depth = strlen($depth);
- if ($icol == 0) $icol = strlen($icol);
- if ($depth > 0) $depth += @$mf['idep'];
- if ($icol > 0) $mf['is'][$depth] = $icol + @$mf['icol'];
- @$mf['idep'] = @$mf['icol'] = 0;
- while (count($cs)>$depth)
- { $c = array_pop($cs); $out .= $BlockMarkups[$c][2]; }
- if (!$code) {
- if (@end($cs) == 'p') { $out .= $HTMLPNewline; $code = 'p'; }
- else if ($depth < 2) { $code = 'p'; $mf['is'][$depth] = 0; }
- else { $out .= $HTMLPNewline; $code = 'block'; }
- }
- if ($depth>0 && $depth==count($cs) && $cs[$depth-1]!=$code)
- { $c = array_pop($cs); $out .= $BlockMarkups[$c][2]; }
- while (count($cs)>0 && @end($cs)!=$code &&
- @$BlockMarkups[@end($cs)][3]==0)
- { $c = array_pop($cs); $out .= $BlockMarkups[$c][2]; }
- if ($vspaces) {
- $out .= (@end($cs) == 'pre') ? $vspaces : $HTMLVSpace;
- $vspaces='';
- }
- if ($depth==0) { return $out; }
- if ($depth==count($cs)) { return $out.$BlockMarkups[$code][1]; }
- while (count($cs)<$depth-1) {
- array_push($cs, 'dl'); $mf['is'][count($cs)] = 0;
- $out .= $BlockMarkups['dl'][0].'<dd>';
- }
- if (count($cs)<$depth) {
- array_push($cs,$code);
- $out .= $BlockMarkups[$code][0];
- }
- return $out;
- }
- function MarkupClose($key = '') {
- global $MarkupFrame;
- $cf = & $MarkupFrame[0]['closeall'];
- $out = '';
- if ($key == '' || isset($cf[$key])) {
- $k = array_keys((array)$cf);
- while ($k) {
- $x = array_pop($k); $out .= $cf[$x]; unset($cf[$x]);
- if ($x == $key) break;
- }
- }
- return $out;
- }
- function FormatTableRow($x) {
- global $Block, $TableCellAttrFmt, $MarkupFrame, $TableRowAttrFmt,
- $TableRowIndexMax, $FmtV;
- static $rowcount;
- $x = preg_replace('/\\|\\|\\s*$/','',$x);
- $td = explode('||',$x); $y='';
- for($i=0;$i<count($td);$i++) {
- if ($td[$i]=='') continue;
- $FmtV['$TableCellCount'] = $i;
- $attr = FmtPageName($TableCellAttrFmt, '');
- $td[$i] = preg_replace('/^(!?)\\s+$/', '$1 ', $td[$i]);
- if (preg_match('/^!(.*?)!$/',$td[$i],$match))
- { $td[$i]=$match[1]; $t='caption'; $attr=''; }
- elseif (preg_match('/^!(.*)$/',$td[$i],$match))
- { $td[$i]=$match[1]; $t='th'; }
- else $t='td';
- if (preg_match('/^\\s.*\\s$/',$td[$i])) { $attr .= " align='center'"; }
- elseif (preg_match('/^\\s/',$td[$i])) { $attr .= " align='right'"; }
- elseif (preg_match('/\\s$/',$td[$i])) { $attr .= " align='left'"; }
- for ($colspan=1;$i+$colspan<count($td);$colspan++)
- if ($td[$colspan+$i]!='') break;
- if ($colspan>1) { $attr .= " colspan='$colspan'"; }
- $y .= "<$t $attr>".trim($td[$i])."</$t>";
- }
- if ($t=='caption') return "<:table,1>$y";
- if (@$MarkupFrame[0]['cs'][0] != 'table') $rowcount = 0; else $rowcount++;
- $FmtV['$TableRowCount'] = $rowcount + 1;
- $FmtV['$TableRowIndex'] = ($rowcount % $TableRowIndexMax) + 1;
- $trattr = FmtPageName($TableRowAttrFmt, '');
- return "<:table,1><tr $trattr>$y</tr>";
- }
- function WikiLink($pagename, $word) {
- global $LinkWikiWords, $SpaceWikiWords, $AsSpacedFunction,
- $MarkupFrame, $WikiWordCountMax;
- if (!$LinkWikiWords) return $word;
- $text = ($SpaceWikiWords) ? $AsSpacedFunction($word) : $word;
- $text = preg_replace('!.*/!', '', $text);
- if (!isset($MarkupFrame[0]['wwcount'][$word]))
- $MarkupFrame[0]['wwcount'][$word] = $WikiWordCountMax;
- if ($MarkupFrame[0]['wwcount'][$word]-- < 1) return $text;
- return MakeLink($pagename, $word, $text);
- }
-
- function LinkIMap($pagename,$imap,$path,$title,$txt,$fmt=NULL) {
- global $FmtV, $IMap, $IMapLinkFmt, $UrlLinkFmt;
- $FmtV['$LinkUrl'] = PUE(str_replace('$1',$path,$IMap[$imap]));
- $FmtV['$LinkText'] = $txt;
- $FmtV['$LinkAlt'] = str_replace(array('"',"'"),array('"','''),$title);
- if (!$fmt)
- $fmt = (isset($IMapLinkFmt[$imap])) ? $IMapLinkFmt[$imap] : $UrlLinkFmt;
- return str_replace(array_keys($FmtV),array_values($FmtV),$fmt);
- }
- function LinkPage($pagename,$imap,$path,$title,$txt,$fmt=NULL) {
- global $QueryFragPattern,$LinkPageExistsFmt,$LinkPageSelfFmt,
- $LinkPageCreateSpaceFmt,$LinkPageCreateFmt,$FmtV,$LinkTargets;
- if (!$fmt && $path{0} == '#') {
- $path = preg_replace("/[^-.:\\w]/", '', $path);
- return ($path) ? "<a href='#$path'>$txt</a>" : '';
- }
- if (!preg_match("/^\\s*([^#?]+)($QueryFragPattern)?$/",$path,$match))
- return '';
- $tgtname = MakePageName($pagename, $match[1]);
- if (!$tgtname) return '';
- $qf = @$match[2];
- @$LinkTargets[$tgtname]++;
- if (!$fmt) {
- if (!PageExists($tgtname) && !preg_match('/[&?]action=/', $qf))
- $fmt = preg_match('/\\s/', $txt)
- ? $LinkPageCreateSpaceFmt : $LinkPageCreateFmt;
- else
- $fmt = ($tgtname == $pagename && $qf == '')
- ? $LinkPageSelfFmt : $LinkPageExistsFmt;
- }
- $fmt = str_replace(array('$LinkUrl', '$LinkText'),
- array(PageVar($tgtname, '$PageUrl').PUE($qf), $txt), $fmt);
- return FmtPageName($fmt,$tgtname);
- }
- function MakeLink($pagename,$tgt,$txt=NULL,$suffix=NULL,$fmt=NULL) {
- global $LinkPattern,$LinkFunctions,$UrlExcludeChars,$ImgExtPattern,$ImgTagFmt;
- $t = preg_replace('/[()]/','',trim($tgt));
- $t = preg_replace('/<[^>]*>/','',$t);
- preg_match("/^($LinkPattern)?(.+?)(\"(.*)\")?$/",$t,$m);
- if (!$m[1]) $m[1]='<:page>';
- if (preg_match("/(($LinkPattern)([^$UrlExcludeChars]+$ImgExtPattern))(\"(.*)\")?$/",$txt,$tm))
- $txt = $LinkFunctions[$tm[2]]($pagename,$tm[2],$tm[3],@$tm[5],
- $tm[1],$ImgTagFmt);
- else {
- if (is_null($txt)) {
- $txt = preg_replace('/\\([^)]*\\)/','',$tgt);
- if ($m[1]=='<:page>') {
- $txt = preg_replace('!/\\s*$!', '', $txt);
- $txt = preg_replace('!^.*[^<]/!', '', $txt);
- }
- }
- $txt .= $suffix;
- }
- $out = $LinkFunctions[$m[1]]($pagename,$m[1],$m[2],@$m[4],$txt,$fmt);
- return $out;
- }
- function Markup($id,$cmd,$pat=NULL,$rep=NULL) {
- global $MarkupTable,$MarkupRules;
- unset($MarkupRules);
- if (preg_match('/^([<>])?(.+)$/',$cmd,$m)) {
- $MarkupTable[$id]['cmd']=$cmd;
- $MarkupTable[$m[2]]['dep'][$id] = $m[1];
- if (!$m[1]) $m[1]='=';
- if (@$MarkupTable[$m[2]]['seq']) {
- $MarkupTable[$id]['seq'] = $MarkupTable[$m[2]]['seq'].$m[1];
- foreach((array)@$MarkupTable[$id]['dep'] as $i=>$m)
- Markup($i,"$m$id");
- unset($MarkupTable[$id]['dep']);
- }
- }
- if ($pat && !isset($MarkupTable[$id]['pat'])) {
- $MarkupTable[$id]['pat']=$pat;
- $MarkupTable[$id]['rep']=$rep;
- }
- }
- function DisableMarkup() {
- global $MarkupTable;
- $idlist = func_get_args();
- unset($MarkupRules);
- while (count($idlist)>0) {
- $id = array_shift($idlist);
- if (is_array($id)) { $idlist = array_merge($idlist, $id); continue; }
- $MarkupTable[$id] = array('cmd' => 'none', pat=>'');
- }
- }
-
- function mpcmp($a,$b) { return @strcmp($a['seq'].'=',$b['seq'].'='); }
- function BuildMarkupRules() {
- global $MarkupTable,$MarkupRules,$LinkPattern;
- if (!$MarkupRules) {
- uasort($MarkupTable,'mpcmp');
- foreach($MarkupTable as $id=>$m)
- if (@$m['pat'])
- $MarkupRules[str_replace('\\L',$LinkPattern,$m['pat'])]=$m['rep'];
- }
- return $MarkupRules;
- }
- function MarkupToHTML($pagename, $text, $opt = NULL) {
- # convert wiki markup text to HTML output
- global $MarkupRules, $MarkupFrame, $MarkupFrameBase, $WikiWordCount,
- $K0, $K1, $RedoMarkupLine;
- StopWatch('MarkupToHTML begin');
- array_unshift($MarkupFrame, array_merge($MarkupFrameBase, (array)$opt));
- $MarkupFrame[0]['wwcount'] = $WikiWordCount;
- $markrules = BuildMarkupRules();
- foreach((array)$text as $l)
- $lines[] = $MarkupFrame[0]['escape']
- ? PVS(htmlspecialchars($l, ENT_NOQUOTES)) : $l;
- $lines[] = '(:closeall:)';
- $out = '';
- while (count($lines)>0) {
- $x = array_shift($lines);
- $RedoMarkupLine=0;
- foreach($markrules as $p=>$r) {
- if ($p{0} == '/') $x=preg_replace($p,$r,$x);
- elseif (strstr($x,$p)!==false) $x=eval($r);
- if (isset($php_errormsg)) { echo "pat=$p"; unset($php_errormsg); }
- if ($RedoMarkupLine) { $lines=array_merge((array)$x,$lines); continue 2; }
- }
- if ($x>'') $out .= "$x\n";
- }
- foreach((array)(@$MarkupFrame[0]['posteval']) as $v) eval($v);
- array_shift($MarkupFrame);
- StopWatch('MarkupToHTML end');
- return $out;
- }
-
- function HandleBrowse($pagename, $auth = 'read') {
- # handle display of a page
- global $DefaultPageTextFmt, $PageNotFoundHeaderFmt, $HTTPHeaders,
- $EnableHTMLCache, $NoHTMLCache, $PageCacheFile, $LastModTime, $IsHTMLCached,
- $FmtV, $HandleBrowseFmt, $PageStartFmt, $PageEndFmt, $PageRedirectFmt;
- $page = RetrieveAuthPage($pagename, $auth, true, READPAGE_CURRENT);
- if (!$page) Abort('?cannot read $pagename');
- PCache($pagename,$page);
- if (PageExists($pagename)) $text = @$page['text'];
- else {
- SDV($DefaultPageTextFmt,'(:include $[{$SiteGroup}.PageNotFound]:)');
- $text = FmtPageName($DefaultPageTextFmt, $pagename);
- SDV($PageNotFoundHeaderFmt, 'HTTP/1.1 404 Not Found');
- SDV($HTTPHeaders['status'], $PageNotFoundHeaderFmt);
- }
- $opt = array();
- SDV($PageRedirectFmt,"<p><i>($[redirected from] <a rel='nofollow'
- href='{\$PageUrl}?action=edit'>{\$FullName}</a>)</i></p>\$HTMLVSpace\n");
- if (@!$_GET['from']) { $opt['redirect'] = 1; $PageRedirectFmt = ''; }
- else $PageRedirectFmt = FmtPageName($PageRedirectFmt, $_GET['from']);
- if (@$EnableHTMLCache && !$NoHTMLCache && $PageCacheFile &&
- @filemtime($PageCacheFile) > $LastModTime) {
- list($ctext) = unserialize(file_get_contents($PageCacheFile));
- $FmtV['$PageText'] = "<!--cached-->$ctext";
- $IsHTMLCached = 1;
- } else {
- $IsHTMLCached = 0;
- $text = '(:groupheader:)'.@$text.'(:groupfooter:)';
- $t1 = time();
- $FmtV['$PageText'] = MarkupToHTML($pagename, $text, $opt);
- if (@$EnableHTMLCache > 0 && !$NoHTMLCache && $PageCacheFile
- && (time() - $t1 + 1) >= $EnableHTMLCache) {
- $fp = @fopen("$PageCacheFile,new", "x");
- if ($fp) {
- fwrite($fp, serialize(array($FmtV['$PageText']))); fclose($fp);
- rename("$PageCacheFile,new", $PageCacheFile);
- }
- }
- }
- SDV($HandleBrowseFmt,array(&$PageStartFmt, &$PageRedirectFmt, '$PageText',
- &$PageEndFmt));
- PrintFmt($pagename,$HandleBrowseFmt);
- }
- # EditTemplate allows a site administrator to pre-populate new pages
- # with the contents of another page.
- function EditTemplate($pagename, &$page, &$new) {
- global $EditTemplatesFmt;
- if (@$new['text'] > '') return;
- if (@$_REQUEST['template'] && PageExists($_REQUEST['template'])) {
- $p = RetrieveAuthPage($_REQUEST['template'], 'read', false,
- READPAGE_CURRENT);
- if ($p['text'] > '') $new['text'] = $p['text'];
- return;
- }
- foreach((array)$EditTemplatesFmt as $t) {
- $p = RetrieveAuthPage(FmtPageName($t,$pagename), 'read', false,
- READPAGE_CURRENT);
- if (@$p['text'] > '') { $new['text'] = $p['text']; return; }
- }
- }
- # RestorePage handles returning to the version of text as of
- # the version given by $restore or $_REQUEST['restore'].
- function RestorePage($pagename,&$page,&$new,$restore=NULL) {
- if (is_null($restore)) $restore=@$_REQUEST['restore'];
- if (!$restore) return;
- $t = $page['text'];
- $nl = (substr($t,-1)=="\n");
- $t = explode("\n",$t);
- if ($nl) array_pop($t);
- krsort($page); reset($page);
- foreach($page as $k=>$v) {
- if ($k<$restore) break;
- if (strncmp($k, 'diff:', 5) != 0) continue;
- foreach(explode("\n",$v) as $x) {
- if (preg_match('/^(\\d+)(,(\\d+))?([adc])(\\d+)/',$x,$match)) {
- $a1 = $a2 = $match[1];
- if ($match[3]) $a2=$match[3];
- $b1 = $match[5];
- if ($match[4]=='d') array_splice($t,$b1,$a2-$a1+1);
- if ($match[4]=='c') array_splice($t,$b1-1,$a2-$a1+1);
- continue;
- }
- if (strncmp($x,'< ',2) == 0) { $nlflag=true; continue; }
- if (preg_match('/^> (.*)$/',$x,$match)) {
- $nlflag=false;
- array_splice($t,$b1-1,0,$match[1]); $b1++;
- }
- if ($x=='\\ No newline at end of file') $nl=$nlflag;
- }
- }
- if ($nl) $t[]='';
- $new['text']=implode("\n",$t);
- return $new['text'];
- }
- ## ReplaceOnSave performs any text replacements (held in $ROSPatterns)
- ## on the new text prior to saving the page.
- function ReplaceOnSave($pagename,&$page,&$new) {
- global $EnablePost, $ROSPatterns;
- if (!$EnablePost) return;
- foreach((array)$ROSPatterns as $pat=>$repfmt)
- $new['text'] =
- preg_replace($pat,FmtPageName($repfmt,$pagename),$new['text']);
- }
- function SaveAttributes($pagename,&$page,&$new) {
- global $EnablePost, $LinkTargets, $SaveAttrPatterns, $PCache,
- $SaveProperties;
- if (!$EnablePost) return;
- $text = preg_replace(array_keys($SaveAttrPatterns),
- array_values($SaveAttrPatterns), $new['text']);
- $html = MarkupToHTML($pagename,$text);
- $new['targets'] = implode(',',array_keys((array)$LinkTargets));
- $p = & $PCache[$pagename];
- foreach((array)$SaveProperties as $k) {
- if (@$p["=p_$k"]) $new[$k] = $p["=p_$k"];
- else unset($new[$k]);
- }
- unset($new['excerpt']);
- }
- function PostPage($pagename, &$page, &$new) {
- global $DiffKeepDays, $DiffFunction, $DeleteKeyPattern, $EnablePost,
- $Now, $Author, $WikiDir, $IsPagePosted;
- SDV($DiffKeepDays,3650);
- SDV($DeleteKeyPattern,"^\\s*delete\\s*$");
- $IsPagePosted = false;
- if ($EnablePost) {
- $new["author"]=@$Author;
- $new["author:$Now"] = @$Author;
- $new["host:$Now"] = $_SERVER['REMOTE_ADDR'];
- $diffclass = preg_replace('/\\W/','',@$_POST['diffclass']);
- if ($page["time"]>0 && function_exists(@$DiffFunction))
- $new["diff:$Now:{$page['time']}:$diffclass"] =
- $DiffFunction($new['text'],@$page['text']);
- $keepgmt = $Now-$DiffKeepDays * 86400;
- $keys = array_keys($new);
- foreach($keys as $k)
- if (preg_match("/^\\w+:(\\d+)/",$k,$match) && $match[1]<$keepgmt)
- unset($new[$k]);
- if (preg_match("/$DeleteKeyPattern/",$new['text']))
- $WikiDir->delete($pagename);
- else WritePage($pagename,$new);
- $IsPagePosted = true;
- }
- }
- function PostRecentChanges($pagename,&$page,&$new) {
- global $IsPagePosted, $RecentChangesFmt, $RCDelimPattern, $RCLinesMax;
- if (!$IsPagePosted) return;
- foreach($RecentChangesFmt as $rcfmt=>$pgfmt) {
- $rcname = FmtPageName($rcfmt,$pagename); if (!$rcname) continue;
- $pgtext = FmtPageName($pgfmt,$pagename); if (!$pgtext) continue;
- if (@$seen[$rcname]++) continue;
- $rcpage = ReadPage($rcname);
- $rcelim = preg_quote(preg_replace("/$RCDelimPattern.*$/",' ',$pgtext),'/');
- $rcpage['text'] = preg_replace("/[^\n]*$rcelim.*\n/","",@$rcpage['text']);
- if (!preg_match("/$RCDelimPattern/",$rcpage['text']))
- $rcpage['text'] .= "$pgtext\n";
- else
- $rcpage['text'] = preg_replace("/([^\n]*$RCDelimPattern.*\n)/",
- "$pgtext\n$1", $rcpage['text'], 1);
- if (@$RCLinesMax > 0)
- $rcpage['text'] = implode("\n", array_slice(
- explode("\n", $rcpage['text'], $RCLinesMax + 1), 0, $RCLinesMax));
- WritePage($rcname, $rcpage);
- }
- }
- function PreviewPage($pagename,&$page,&$new) {
- global $IsPageSaved, $FmtV;
- if (@$_POST['preview']) {
- $text = '(:groupheader:)'.$new['text'].'(:groupfooter:)';
- $FmtV['$PreviewText'] = MarkupToHTML($pagename,$text);
- }
- }
-
- function HandleEdit($pagename, $auth = 'edit') {
- global $IsPagePosted, $EditFields, $ChangeSummary, $EditFunctions,
- $EnablePost, $FmtV, $Now, $EditRedirectFmt,
- $PageEditForm, $HandleEditFmt, $PageStartFmt, $PageEditFmt, $PageEndFmt;
- SDV($EditRedirectFmt, '$FullName');
- if (@$_POST['cancel'])
- { Redirect(FmtPageName($EditRedirectFmt, $pagename)); return; }
- Lock(2);
- $IsPagePosted = false;
- $page = RetrieveAuthPage($pagename, $auth, true);
- if (!$page) Abort("?cannot edit $pagename");
- PCache($pagename,$page);
- $new = $page;
- foreach((array)$EditFields as $k)
- if (isset($_POST[$k])) $new[$k]=str_replace("\r",'',stripmagic($_POST[$k]));
- $new['csum'] = $ChangeSummary;
- if ($ChangeSummary) $new["csum:$Now"] = $ChangeSummary;
- $EnablePost &= preg_grep('/^post/', array_keys(@$_POST));
- foreach((array)$EditFunctions as $fn) $fn($pagename,$page,$new);
- Lock(0);
- if ($IsPagePosted && !@$_POST['postedit'])
- { Redirect(FmtPageName($EditRedirectFmt, $pagename)); return; }
- $FmtV['$DiffClassMinor'] =
- (@$_POST['diffclass']=='minor') ? "checked='checked'" : '';
- $FmtV['$EditText'] =
- str_replace('$','$',htmlspecialchars(@$new['text'],ENT_NOQUOTES));
- $FmtV['$EditBaseTime'] = $Now;
- if (@$PageEditForm) {
- $form = ReadPage(FmtPageName($PageEditForm, $pagename), READPAGE_CURRENT);
- $FmtV['$EditForm'] = MarkupToHTML($pagename, $form['text']);
- }
- SDV($PageEditFmt, "<div id='wikiedit'>
- <h2 class='wikiaction'>$[Editing {\$FullName}]</h2>
- <form method='post' rel='nofollow' action='\$PageUrl?action=edit'>
- <input type='hidden' name='action' value='edit' />
- <input type='hidden' name='n' value='\$FullName' />
- <input type='hidden' name='basetime' value='\$EditBaseTime' />
- \$EditMessageFmt
- <textarea id='text' name='text' rows='25' cols='60'
- onkeydown='if (event.keyCode==27) event.returnValue=false;'
- >\$EditText</textarea><br />
- <input type='submit' name='post' value=' $[Save] ' />");
- SDV($HandleEditFmt, array(&$PageStartFmt, &$PageEditFmt, &$PageEndFmt));
- PrintFmt($pagename, $HandleEditFmt);
- }
- function HandleSource($pagename, $auth = 'read') {
- global $HTTPHeaders;
- $page = RetrieveAuthPage($pagename, $auth, true, READPAGE_CURRENT);
- if (!$page) Abort("?cannot source $pagename");
- foreach ($HTTPHeaders as $h) {
- $h = preg_replace('!^Content-type:\\s+text/html!i',
- 'Content-type: text/plain', $h);
- header($h);
- }
- echo @$page['text'];
- }
- ## PmWikiAuth provides password-protection of pages using PHP sessions.
- ## It is normally called from RetrieveAuthPage. Since RetrieveAuthPage
- ## can be called a lot within a single page execution (i.e., for every
- ## page accessed), we cache the results of site passwords and
- ## GroupAttribute pages to be able to speed up subsequent calls.
- function PmWikiAuth($pagename, $level, $authprompt=true, $since=0) {
- global $DefaultPasswords, $GroupAttributesFmt, $AllowPassword,
- $AuthCascade, $FmtV, $AuthPromptFmt, $PageStartFmt, $PageEndFmt,
- $AuthId, $AuthList, $NoHTMLCache;
- static $acache;
- SDV($GroupAttributesFmt,'$Group/GroupAttributes');
- SDV($AllowPassword,'nopass');
- $page = ReadPage($pagename, $since);
- if (!$page) { return false; }
- if (!isset($acache))
- SessionAuth($pagename, (@$_POST['authpw'])
- ? array('authpw' => array($_POST['authpw'] => 1))
- : '');
- if (@$AuthId) {
- $AuthList["id:$AuthId"] = 1;
- $AuthList["id:-$AuthId"] = -1;
- $AuthList["id:*"] = 1;
- }
- $gn = FmtPageName($GroupAttributesFmt, $pagename);
- if (!isset($acache[$gn])) {
- $gp = ReadPage($gn, READPAGE_CURRENT);
- foreach($DefaultPasswords as $k => $v) {
- $x = array(2, array(), '');
- $acache['@site'][$k] = IsAuthorized($v, 'site', $x);
- $AuthList["@_site_$k"] = $acache['@site'][$k][0] ? 1 : 0;
- $acache[$gn][$k] = IsAuthorized($gp["passwd$k"], 'group',
- $acache['@site'][$k]);
- }
- }
- foreach($DefaultPasswords as $k => $v)
- list($page['=auth'][$k], $page['=passwd'][$k], $page['=pwsource'][$k]) =
- IsAuthorized($page["passwd$k"], 'page', $acache[$gn][$k]);
- foreach($AuthCascade as $k => $t) {
- if ($page['=auth'][$k]+0 == 2) {
- $page['=auth'][$k] = $page['=auth'][$t];
- if ($page['=passwd'][$k] = $page['=passwd'][$t]) # assign
- $page['=pwsource'][$k] = "cascade:$t";
- }
- }
- if (@$page['=auth']['admin'])
- foreach($page['=auth'] as $lv=>$a) @$page['=auth'][$lv] = 3;
- if (@$page['=passwd']['read']) $NoHTMLCache |= 2;
- if ($level=='ALWAYS' || @$page['=auth'][$level]) return $page;
- if (!$authprompt) return false;
- $GLOBALS['AuthNeeded'] = (@$_POST['authpw'])
- ? $page['=pwsource'][$level] . ' ' . $level : '';
- PCache($pagename, $page);
- $postvars = '';
- foreach($_POST as $k=>$v) {
- if ($k == 'authpw' || $k == 'authid') continue;
- $v = str_replace('$', '$',
- htmlspecialchars(stripmagic($v), ENT_COMPAT));
- $postvars .= "<input type='hidden' name='$k' value=\"$v\" />\n";
- }
- $FmtV['$PostVars'] = $postvars;
- SDV($AuthPromptFmt,array(&$PageStartFmt,
- "<p><b>$[Password required]</b></p>
- <form name='authform' action='{$_SERVER['REQUEST_URI']}' method='post'>
- $[Password]: <input tabindex='1' type='password' name='authpw'
- value='' />
- <input type='submit' value='OK' />\$PostVars</form>
- <script language='javascript' type='text/javascript'><!--
- document.authform.authpw.focus() //--></script>", &$PageEndFmt));
- PrintFmt($pagename,$AuthPromptFmt);
- exit;
- }
- function IsAuthorized($chal, $source, &$from) {
- global $AuthList, $AuthPw, $AllowPassword;
- if (!$chal) return $from;
- $auth = 0;
- $passwd = array();
- foreach((array)$chal as $c) {
- $x = '';
- $pwchal = preg_split('/([, ]|\\w+:)/', $c, -1, PREG_SPLIT_DELIM_CAPTURE);
- foreach($pwchal as $pw) {
- if ($pw == ',') continue;
- else if ($pw == ' ') { $x = ''; continue; }
- else if (substr($pw, -1, 1) == ':') { $x = $pw; continue; }
- else if ($pw{0} != '@' && $x > '') $pw = $x . $pw;
- if (!$pw) continue;
- $passwd[] = $pw;
- if ($auth < 0) continue;
- if ($x || $pw{0} == '@') {
- if (@$AuthList[$pw]) $auth = $AuthList[$pw];
- continue;
- }
- if (crypt($AllowPassword, $pw) == $pw) # nopass
- { $auth=1; continue; }
- foreach((array)$AuthPw as $pwresp) # password
- if (crypt($pwresp, $pw) == $pw) { $auth=1; continue; }
- }
- }
- if (!$passwd) return $from;
- if ($auth < 0) $auth = 0;
- return array($auth, $passwd, $source);
- }
- ## SessionAuth works with PmWikiAuth to manage authorizations
- ## as stored in sessions. First, it can be used to set session
- ## variables by calling it with an $auth argument. It then
- ## uses the authid, authpw, and authlist session variables
- ## to set the corresponding values of $AuthId, $AuthPw, and $AuthList
- ## as needed.
- function SessionAuth($pagename, $auth = NULL) {
- global $AuthId, $AuthList, $AuthPw;
- static $called;
- @$called++;
- if (!$auth && ($called > 1 || !@$_REQUEST[session_name()])) return;
- $sid = session_id();
- @session_start();
- foreach((array)$auth as $k => $v)
- if ($k) $_SESSION[$k] = (array)$v + (array)$_SESSION[$k];
- if (!isset($AuthId)) $AuthId = @end($_SESSION['authid']);
- $AuthPw = array_keys((array)@$_SESSION['authpw']);
- $AuthList = array_merge($AuthList, (array)@$_SESSION['authlist']);
- if (!$sid) session_write_close();
- }
- function PrintAttrForm($pagename) {
- global $PageAttributes, $PCache, $FmtV;
- echo FmtPageName("<form action='\$PageUrl' method='post'>
- <input type='hidden' name='action' value='postattr' />
- <input type='hidden' name='n' value='\$FullName' />
- <table>",$pagename);
- $page = $PCache[$pagename];
- foreach($PageAttributes as $attr=>$p) {
- if (!$p) continue;
- $setting = @$page[$attr];
- $value = @$page[$attr];
- if (strncmp($attr, 'passwd', 6) == 0) {
- $a = substr($attr, 6);
- $value = '';
- $setting = implode(' ',
- preg_replace('/^(?!@|\\w+:).+$/', '****', (array)$page['=passwd'][$a]));
- $pwsource = $page['=pwsource'][$a];
- $FmtV['$PWSource'] = $pwsource;
- $FmtV['$PWCascade'] = substr($pwsource, 8);
- if ($pwsource == 'group' || $pwsource == 'site')
- $setting = FmtPageName('$[(set by $PWSource)]', $pagename)." $setting";
- if (strncmp($pwsource, 'cascade:', 8) == 0)
- $setting = FmtPageName('$[(using $PWCascade password)]', $pagename);
- }
- $prompt = FmtPageName($p,$pagename);
- echo "<tr><td>$prompt</td>
- <td><input type='text' name='$attr' value='$value' /></td>
- <td>$setting</td></tr>";
- }
- echo FmtPageName("</table><input type='submit' value='$[Save]' /></form>",
- $pagename);
- }
- function HandleAttr($pagename, $auth = 'attr') {
- global $PageAttrFmt,$PageStartFmt,$PageEndFmt;
- $page = RetrieveAuthPage($pagename, $auth, true, READPAGE_CURRENT);
- if (!$page) { Abort("?unable to read $pagename"); }
- PCache($pagename,$page);
- XLSDV('en', array('EnterAttributes' =>
- "Enter new attributes for this page below. Leaving a field blank
- will leave the attribute unchanged. To clear an attribute, enter
- 'clear'."));
- SDV($PageAttrFmt,"<div class='wikiattr'>
- <h2 class='wikiaction'>$[{\$FullName} Attributes]</h2>
- <p>$[EnterAttributes]</p></div>");
- SDV($HandleAttrFmt,array(&$PageStartFmt,&$PageAttrFmt,
- 'function:PrintAttrForm',&$PageEndFmt));
- PrintFmt($pagename,$HandleAttrFmt);
- }
- function HandlePostAttr($pagename, $auth = 'attr') {
- global $PageAttributes, $EnablePostAttrClearSession;
- Lock(2);
- $page = RetrieveAuthPage($pagename, $auth, true);
- if (!$page) { Abort("?unable to read $pagename"); }
- foreach($PageAttributes as $attr=>$p) {
- $v = stripmagic(@$_POST[$attr]);
- if ($v == '') continue;
- if ($v=='clear') unset($page[$attr]);
- else if (strncmp($attr, 'passwd', 6) != 0) $page[$attr] = $v;
- else {
- $a = array();
- preg_match_all('/"[^"]*"|\'[^\']*\'|\\S+/', $v, $match);
- foreach($match[0] as $pw)
- $a[] = preg_match('/^(@|\\w+:)/', $pw) ? $pw
- : crypt(preg_replace('/^([\'"])(.*)\\1$/', '$2', $pw));
- if ($a) $page[$attr] = implode(' ',$a);
- }
- }
- WritePage($pagename,$page);
- Lock(0);
- if (IsEnabled($EnablePostAttrClearSession, 1)) {
- @session_start();
- unset($_SESSION['authid']);
- unset($_SESSION['authlist']);
- $_SESSION['authpw'] = array();
- }
- Redirect($pagename);
- exit;
- }
- function HandleLogoutA($pagename, $auth = 'read') {
- global $LogoutRedirectFmt, $LogoutCookies;
- SDV($LogoutRedirectFmt, '$FullName');
- SDV($LogoutCookies, array());
- @session_start();
- $_SESSION = array();
- if (isset($_COOKIE[session_name()]))
- setcookie(session_name(), '', time()-43200, '/');
- foreach ($LogoutCookies as $c)
- if (isset($_COOKIE[$c])) setcookie($c, '', time()-43200, '/');
- session_destroy();
- Redirect(FmtPageName($LogoutRedirectFmt, $pagename));
- }
- function HandleLoginA($pagename, $auth = 'login') {
- global $AuthId, $DefaultPasswords;
- unset($DefaultPasswords['admin']);
- $prompt = @(!$_POST['authpw'] || ($AuthId != $_POST['authid']));
- $page = RetrieveAuthPage($pagename, $auth, $prompt, READPAGE_CURRENT);
- Redirect($pagename);
- }
|