2 # Class representing a Wikipedia article and history.
3 # See design.doc for an overview.
5 # Note: edit user interface and cache support functions have been
6 # moved to separate EditPage and CacheManager classes.
8 include_once( "CacheManager.php" );
11 /* private */ var $mContent, $mContentLoaded;
12 /* private */ var $mUser, $mTimestamp, $mUserText;
13 /* private */ var $mCounter, $mComment, $mCountAdjustment;
14 /* private */ var $mMinorEdit, $mRedirectedFrom;
15 /* private */ var $mTouched, $mFileCache, $mTitle;
16 /* private */ var $mId, $mTable;
18 function Article( &$title ) {
19 $this->mTitle
=& $title;
23 /* private */ function clear()
25 $this->mContentLoaded
= false;
26 $this->mCurID
= $this->mUser
= $this->mCounter
= -1; # Not loaded
27 $this->mRedirectedFrom
= $this->mUserText
=
28 $this->mTimestamp
= $this->mComment
= $this->mFileCache
= "";
29 $this->mCountAdjustment
= 0;
30 $this->mTouched
= "19700101000000";
33 /* static */ function getRevisionText( $row, $prefix = "old_" ) {
34 # Deal with optional compression of archived pages.
35 # This can be done periodically via maintenance/compressOld.php, and
36 # as pages are saved if $wgCompressRevisions is set.
37 $text = $prefix . "text";
38 $flags = $prefix . "flags";
39 if( isset( $row->$flags ) && (false !== strpos( $row->$flags, "gzip" ) ) ) {
40 return gzinflate( $row->$text );
42 if( isset( $row->$text ) ) {
48 /* static */ function compressRevisionText( &$text ) {
49 global $wgCompressRevisions;
50 if( !$wgCompressRevisions ) {
53 if( !function_exists( "gzdeflate" ) ) {
54 wfDebug( "Article::compressRevisionText() -- no zlib support, not compressing\n" );
57 $text = gzdeflate( $text );
61 # Note that getContent/loadContent may follow redirects if
62 # not told otherwise, and so may cause a change to mTitle.
64 # Return the text of this revision
65 function getContent( $noredir = false )
67 global $action,$section,$count; # From query string
68 $fname = "Article::getContent";
69 wfProfileIn( $fname );
71 if ( 0 == $this->getID() ) {
72 if ( "edit" == $action ) {
73 wfProfileOut( $fname );
74 return ""; # was "newarticletext", now moved above the box)
76 wfProfileOut( $fname );
77 return wfMsg( "noarticletext" );
79 $this->loadContent( $noredir );
82 # check if we're displaying a [[User talk:x.x.x.x]] anonymous talk page
83 ( $this->mTitle
->getNamespace() == Namespace::getTalk( Namespace::getUser()) ) &&
84 preg_match("/^\d{1,3}\.\d{1,3}.\d{1,3}\.\d{1,3}$/",$this->mTitle
->getText()) &&
88 wfProfileOut( $fname );
89 return $this->mContent
. "\n" .wfMsg("anontalkpagetext"); }
94 wfProfileOut( $fname );
98 $secs=preg_split("/(^=+.*?=+|^<h[1-6].*?>.*?<\/h[1-6].*?>)/mi",
100 PREG_SPLIT_DELIM_CAPTURE
);
102 wfProfileOut( $fname );
103 return trim($secs[0]);
105 wfProfileOut( $fname );
106 return trim($secs[$section*2-1] . $secs[$section*2]);
110 wfProfileOut( $fname );
111 return $this->mContent
;
116 # Load the revision (including cur_text) into this object
117 function loadContent( $noredir = false )
119 global $wgOut, $wgMwRedir;
120 global $oldid, $redirect; # From query
122 if ( $this->mContentLoaded
) return;
123 $fname = "Article::loadContent";
126 if ( ! $oldid ) { # Retrieve current version
127 $id = $this->getID();
128 if ( 0 == $id ) return;
131 "cur_text,cur_timestamp,cur_user,cur_counter,cur_restrictions,cur_touched " .
132 "FROM cur WHERE cur_id={$id}";
134 $res = wfQuery( $sql, DB_READ
, $fname );
135 if ( 0 == wfNumRows( $res ) ) {
139 $s = wfFetchObject( $res );
140 # If we got a redirect, follow it (unless we've been told
141 # not to by either the function parameter or the query
142 if ( ( "no" != $redirect ) && ( false == $noredir ) &&
143 ( $wgMwRedir->matchStart( $s->cur_text
) ) ) {
144 if ( preg_match( "/\\[\\[([^\\]\\|]+)[\\]\\|]/",
145 $s->cur_text
, $m ) ) {
146 $rt = Title
::newFromText( $m[1] );
148 # Gotta hand redirects to special pages differently:
149 # Fill the HTTP response "Location" header and ignore
150 # the rest of the page we're on.
152 if ( $rt->getInterwiki() != "" ) {
153 $wgOut->redirect( $rt->getFullURL() ) ;
156 if ( $rt->getNamespace() == Namespace::getSpecial() ) {
157 $wgOut->redirect( wfLocalUrl(
158 $rt->getPrefixedURL() ) );
161 $rid = $rt->getArticleID();
163 $sql = "SELECT cur_text,cur_timestamp,cur_user," .
164 "cur_counter,cur_restrictions,cur_touched FROM cur WHERE cur_id={$rid}";
165 $res = wfQuery( $sql, DB_READ
, $fname );
167 if ( 0 != wfNumRows( $res ) ) {
168 $this->mRedirectedFrom
= $this->mTitle
->getPrefixedText();
170 $s = wfFetchObject( $res );
177 $this->mContent
= $s->cur_text
;
178 $this->mUser
= $s->cur_user
;
179 $this->mCounter
= $s->cur_counter
;
180 $this->mTimestamp
= $s->cur_timestamp
;
181 $this->mTouched
= $s->cur_touched
;
182 $this->mTitle
->mRestrictions
= explode( ",", trim( $s->cur_restrictions
) );
183 $this->mTitle
->mRestrictionsLoaded
= true;
184 wfFreeResult( $res );
185 } else { # oldid set, retrieve historical version
186 $sql = "SELECT old_text,old_timestamp,old_user,old_flags FROM old " .
187 "WHERE old_id={$oldid}";
188 $res = wfQuery( $sql, DB_READ
, $fname );
189 if ( 0 == wfNumRows( $res ) ) { return; }
191 $s = wfFetchObject( $res );
192 $this->mContent
= Article
::getRevisionText( $s );
193 $this->mUser
= $s->old_user
;
195 $this->mTimestamp
= $s->old_timestamp
;
196 wfFreeResult( $res );
199 # Return error message :P
200 # Horrible, confusing UI and data. I think this should return false on error -- TS
202 $t = $this->mTitle
->getPrefixedText();
203 if ( isset( $oldid ) ) {
204 $oldid = IntVal( $oldid );
205 $t .= ",oldid={$oldid}";
207 if ( isset( $redirect ) ) {
208 $redirect = ($redirect == "no") ?
"no" : "yes";
209 $t .= ",redirect={$redirect}";
211 $this->mContent
= wfMsg( "missingarticle", $t );
214 $this->mContentLoaded
= true;
218 if( $this->mTitle
) {
219 return $this->mTitle
->getArticleID();
227 if ( -1 == $this->mCounter
) {
228 $id = $this->getID();
229 $this->mCounter
= wfGetSQL( "cur", "cur_counter", "cur_id={$id}" );
231 return $this->mCounter
;
234 # Would the given text make this article a "good" article (i.e.,
235 # suitable for including in the article count)?
237 function isCountable( $text )
239 global $wgUseCommaCount, $wgMwRedir;
241 if ( 0 != $this->mTitle
->getNamespace() ) { return 0; }
242 if ( $wgMwRedir->matchStart( $text ) ) { return 0; }
243 $token = ($wgUseCommaCount ?
"," : "[[" );
244 if ( false === strstr( $text, $token ) ) { return 0; }
248 # Loads everything from cur except cur_text
249 # This isn't necessary for all uses, so it's only done if needed.
251 /* private */ function loadLastEdit()
254 if ( -1 != $this->mUser
) return;
256 $sql = "SELECT cur_user,cur_user_text,cur_timestamp," .
257 "cur_comment,cur_minor_edit FROM cur WHERE " .
258 "cur_id=" . $this->getID();
259 $res = wfQuery( $sql, DB_READ
, "Article::loadLastEdit" );
261 if ( wfNumRows( $res ) > 0 ) {
262 $s = wfFetchObject( $res );
263 $this->mUser
= $s->cur_user
;
264 $this->mUserText
= $s->cur_user_text
;
265 $this->mTimestamp
= $s->cur_timestamp
;
266 $this->mComment
= $s->cur_comment
;
267 $this->mMinorEdit
= $s->cur_minor_edit
;
271 function getTimestamp()
273 $this->loadLastEdit();
274 return $this->mTimestamp
;
279 $this->loadLastEdit();
283 function getUserText()
285 $this->loadLastEdit();
286 return $this->mUserText
;
289 function getComment()
291 $this->loadLastEdit();
292 return $this->mComment
;
295 function getMinorEdit()
297 $this->loadLastEdit();
298 return $this->mMinorEdit
;
301 # This is the default action of the script: just view the page of
306 global $wgUser, $wgOut, $wgLang;
307 global $oldid, $diff; # From query
308 global $wgLinkCache, $IP;
309 $fname = "Article::view";
310 wfProfileIn( $fname );
312 $wgOut->setArticleFlag( true );
313 $wgOut->setRobotpolicy( "index,follow" );
315 # If we got diff and oldid in the query, we want to see a
316 # diff page instead of the article.
318 if ( isset( $diff ) ) {
319 $wgOut->setPageTitle( $this->mTitle
->getPrefixedText() );
320 $de = new DifferenceEngine( $oldid, $diff );
322 wfProfileOut( $fname );
326 if ( !isset( $oldid ) and $this->checkTouched() ) {
327 if( $wgOut->checkLastModified( $this->mTouched
) ){
329 } else if ( $this->tryFileCache() ) {
330 # tell wgOut that output is taken care of
332 $this->viewUpdates();
337 $text = $this->getContent(); # May change mTitle
338 $wgOut->setPageTitle( $this->mTitle
->getPrefixedText() );
339 $wgOut->setHTMLTitle( $this->mTitle
->getPrefixedText() .
340 " - " . wfMsg( "wikititlesuffix" ) );
342 # We're looking at an old revision
345 $this->setOldSubtitle();
346 $wgOut->setRobotpolicy( "noindex,follow" );
348 if ( "" != $this->mRedirectedFrom
) {
349 $sk = $wgUser->getSkin();
350 $redir = $sk->makeKnownLink( $this->mRedirectedFrom
, "",
352 $s = wfMsg( "redirectedfrom", $redir );
353 $wgOut->setSubtitle( $s );
356 $wgLinkCache->preFill( $this->mTitle
);
357 $wgOut->addWikiText( $text, true, $this );
359 $this->viewUpdates();
360 wfProfileOut( $fname );
363 # Theoretically we could defer these whole insert and update
364 # functions for after display, but that's taking a big leap
365 # of faith, and we want to be able to report database
366 # errors at some point.
368 /* private */ function insertNewArticle( $text, $summary, $isminor, $watchthis )
370 global $wgOut, $wgUser, $wgLinkCache, $wgMwRedir;
371 global $wgUseSquid, $wgDeferredUpdateList, $wgInternalServer;
373 $fname = "Article::insertNewArticle";
375 $this->mCountAdjustment
= $this->isCountable( $text );
377 $ns = $this->mTitle
->getNamespace();
378 $ttl = $this->mTitle
->getDBkey();
379 $text = $this->preSaveTransform( $text );
380 if ( $wgMwRedir->matchStart( $text ) ) { $redir = 1; }
383 $now = wfTimestampNow();
384 $won = wfInvertTimestamp( $now );
386 $rand = number_format( mt_rand() / mt_getrandmax(), 12, ".", "" );
387 $isminor = ( $isminor && $wgUser->getID() ) ?
1 : 0;
388 $sql = "INSERT INTO cur (cur_namespace,cur_title,cur_text," .
389 "cur_comment,cur_user,cur_timestamp,cur_minor_edit,cur_counter," .
390 "cur_restrictions,cur_user_text,cur_is_redirect," .
391 "cur_is_new,cur_random,cur_touched,inverse_timestamp) VALUES ({$ns},'" . wfStrencode( $ttl ) . "', '" .
392 wfStrencode( $text ) . "', '" .
393 wfStrencode( $summary ) . "', '" .
394 $wgUser->getID() . "', '{$now}', " .
395 $isminor . ", 0, '', '" .
396 wfStrencode( $wgUser->getName() ) . "', $redir, 1, $rand, '{$now}', '{$won}')";
397 $res = wfQuery( $sql, DB_WRITE
, $fname );
399 $newid = wfInsertId();
400 $this->mTitle
->resetArticleID( $newid );
402 Article
::onArticleCreate( $this->mTitle
);
403 RecentChange
::notifyNew( $now, $this->mTitle
, $isminor, $wgUser, $summary );
406 if(!$this->mTitle
->userIsWatching()) $this->watch();
408 if ( $this->mTitle
->userIsWatching() ) {
413 # The talk page isn't in the regular link tables, so we need to update manually:
414 $talkns = $ns ^
1; # talk -> normal; normal -> talk
415 $sql = "UPDATE cur set cur_touched='$now' WHERE cur_namespace=$talkns AND cur_title='" . wfStrencode( $ttl ) . "'";
416 wfQuery( $sql, DB_WRITE
);
418 # standard deferred updates
419 $this->editUpdates( $text );
424 $wgInternalServer.wfLocalUrl( $this->mTitle
->getPrefixedURL())
426 wfPurgeSquidServers($urlArr);
427 /* this needs to be done after LinksUpdate */
428 $u = new SquidUpdate($this->mTitle
);
429 array_push( $wgDeferredUpdateList, $u );
432 $this->showArticle( $text, wfMsg( "newarticle" ) );
435 function updateArticle( $text, $summary, $minor, $watchthis, $section = "", $forceBot = false )
437 global $wgOut, $wgUser, $wgLinkCache;
438 global $wgDBtransactions, $wgMwRedir;
439 global $wgUseSquid, $wgInternalServer;
440 $fname = "Article::updateArticle";
442 $this->loadLastEdit();
444 // insert updated section into old text if we have only edited part
446 if ($section != "") {
447 $oldtext=$this->getContent();
448 if($section=="new") {
449 if($summary) $subject="== {$summary} ==\n\n";
450 $text=$oldtext."\n\n".$subject.$text;
452 $secs=preg_split("/(^=+.*?=+|^<h[1-6].*?>.*?<\/h[1-6].*?>)/mi",
453 $oldtext,-1,PREG_SPLIT_DELIM_CAPTURE
);
454 $secs[$section*2]=$text."\n\n"; // replace with edited
455 if($section) { $secs[$section*2-1]=""; } // erase old headline
456 $text=join("",$secs);
459 if ( $this->mMinorEdit
) { $me1 = 1; } else { $me1 = 0; }
460 if ( $minor && $wgUser->getID() ) { $me2 = 1; } else { $me2 = 0; }
461 if ( preg_match( "/^((" . $wgMwRedir->getBaseRegex() . ")[^\\n]+)/i", $text, $m ) ) {
463 $text = $m[1] . "\n"; # Remove all content but redirect
467 $text = $this->preSaveTransform( $text );
469 # Update article, but only if changed.
471 if( $wgDBtransactions ) {
473 wfQuery( $sql, DB_WRITE
);
475 $oldtext = $this->getContent( true );
477 if ( 0 != strcmp( $text, $oldtext ) ) {
478 $this->mCountAdjustment
= $this->isCountable( $text )
479 - $this->isCountable( $oldtext );
481 $now = wfTimestampNow();
482 $won = wfInvertTimestamp( $now );
483 $sql = "UPDATE cur SET cur_text='" . wfStrencode( $text ) .
484 "',cur_comment='" . wfStrencode( $summary ) .
485 "',cur_minor_edit={$me2}, cur_user=" . $wgUser->getID() .
486 ",cur_timestamp='{$now}',cur_user_text='" .
487 wfStrencode( $wgUser->getName() ) .
488 "',cur_is_redirect={$redir}, cur_is_new=0, cur_touched='{$now}', inverse_timestamp='{$won}' " .
489 "WHERE cur_id=" . $this->getID() .
490 " AND cur_timestamp='" . $this->getTimestamp() . "'";
491 $res = wfQuery( $sql, DB_WRITE
, $fname );
493 if( wfAffectedRows() == 0 ) {
494 /* Belated edit conflict! Run away!! */
498 # This overwrites $oldtext if revision compression is on
499 $flags = Article
::compressRevisionText( $oldtext );
501 $sql = "INSERT INTO old (old_namespace,old_title,old_text," .
502 "old_comment,old_user,old_user_text,old_timestamp," .
503 "old_minor_edit,inverse_timestamp,old_flags) VALUES (" .
504 $this->mTitle
->getNamespace() . ", '" .
505 wfStrencode( $this->mTitle
->getDBkey() ) . "', '" .
506 wfStrencode( $oldtext ) . "', '" .
507 wfStrencode( $this->getComment() ) . "', " .
508 $this->getUser() . ", '" .
509 wfStrencode( $this->getUserText() ) . "', '" .
510 $this->getTimestamp() . "', " . $me1 . ", '" .
511 wfInvertTimestamp( $this->getTimestamp() ) . "','$flags')";
512 $res = wfQuery( $sql, DB_WRITE
, $fname );
513 $oldid = wfInsertID( $res );
515 $bot = (int)($wgUser->isBot() ||
$forceBot);
516 RecentChange
::notifyEdit( $now, $this->mTitle
, $me2, $wgUser, $summary,
517 $oldid, $this->getTimestamp(), $bot );
518 Article
::onArticleEdit( $this->mTitle
);
521 if( $wgDBtransactions ) {
523 wfQuery( $sql, DB_WRITE
);
527 if (!$this->mTitle
->userIsWatching()) $this->watch();
529 if ( $this->mTitle
->userIsWatching() ) {
533 # standard deferred updates
534 $this->editUpdates( $text );
540 $wgInternalServer.wfLocalUrl( $this->mTitle
->getPrefixedURL())
542 wfPurgeSquidServers($urlArr);
545 $this->showArticle( $text, wfMsg( "updated" ) );
549 # After we've either updated or inserted the article, update
550 # the link tables and redirect to the new page.
552 function showArticle( $text, $subtitle )
554 global $wgOut, $wgUser, $wgLinkCache;
557 $wgLinkCache = new LinkCache();
559 # Get old version of link table to allow incremental link updates
560 $wgLinkCache->preFill( $this->mTitle
);
561 $wgLinkCache->clear();
563 # Now update the link cache by parsing the text
564 $wgOut = new OutputPage();
565 $wgOut->addWikiText( $text );
567 if( $wgMwRedir->matchStart( $text ) )
571 $wgOut->redirect( wfLocalUrl( $this->mTitle
->getPrefixedURL(), $r ) );
574 # Add this page to my watchlist
576 function watch( $add = true )
578 global $wgUser, $wgOut, $wgLang;
579 global $wgDeferredUpdateList;
581 if ( 0 == $wgUser->getID() ) {
582 $wgOut->errorpage( "watchnologin", "watchnologintext" );
585 if ( wfReadOnly() ) {
586 $wgOut->readOnlyPage();
590 $wgUser->addWatch( $this->mTitle
);
592 $wgUser->removeWatch( $this->mTitle
);
594 $wgOut->setPagetitle( wfMsg( $add ?
"addedwatch" : "removedwatch" ) );
595 $wgOut->setRobotpolicy( "noindex,follow" );
597 $sk = $wgUser->getSkin() ;
598 $link = $sk->makeKnownLink ( $this->mTitle
->getPrefixedText() ) ;
601 $text = wfMsg( "addedwatchtext", $link );
603 $text = wfMsg( "removedwatchtext", $link );
604 $wgOut->addHTML( $text );
606 $up = new UserUpdate();
607 array_push( $wgDeferredUpdateList, $up );
609 $wgOut->returnToMain( false );
614 $this->watch( false );
617 function protect( $limit = "sysop" )
619 global $wgUser, $wgOut;
621 if ( ! $wgUser->isSysop() ) {
622 $wgOut->sysopRequired();
625 if ( wfReadOnly() ) {
626 $wgOut->readOnlyPage();
629 $id = $this->mTitle
->getArticleID();
631 $wgOut->fatalEror( wfMsg( "badarticleerror" ) );
634 $sql = "UPDATE cur SET cur_touched='" . wfTimestampNow() . "'," .
635 "cur_restrictions='{$limit}' WHERE cur_id={$id}";
636 wfQuery( $sql, DB_WRITE
, "Article::protect" );
638 $log = new LogPage( wfMsg( "protectlogpage" ), wfMsg( "protectlogtext" ) );
639 if ( $limit === "" ) {
640 $log->addEntry( wfMsg( "unprotectedarticle", $this->mTitle
->getPrefixedText() ), "" );
642 $log->addEntry( wfMsg( "protectedarticle", $this->mTitle
->getPrefixedText() ), "" );
644 $wgOut->redirect( wfLocalUrl( $this->mTitle
->getPrefixedURL() ) );
649 return $this->protect( "" );
654 global $wgUser, $wgOut, $wgMessageCache;
655 global $wpConfirm, $wpReason, $image, $oldimage;
657 # This code desperately needs to be totally rewritten
659 if ( ( ! $wgUser->isSysop() ) ) {
660 $wgOut->sysopRequired();
663 if ( wfReadOnly() ) {
664 $wgOut->readOnlyPage();
668 # Can't delete cached MediaWiki namespace (i.e. vital messages)
669 if ( $this->mTitle
->getNamespace() == NS_MEDIAWIKI
&& $wgMessageCache->isCacheable( $this->mTitle
->getDBkey() ) ) {
670 $wgOut->fatalError( wfMsg( "cannotdelete" ) );
674 # Better double-check that it hasn't been deleted yet!
675 $wgOut->setPagetitle( wfMsg( "confirmdelete" ) );
676 if ( ( "" == trim( $this->mTitle
->getText() ) )
677 or ( $this->mTitle
->getArticleId() == 0 ) ) {
678 $wgOut->fatalError( wfMsg( "cannotdelete" ) );
682 if ( $_POST["wpConfirm"] ) {
687 # determine whether this page has earlier revisions
688 # and insert a warning if it does
689 # we select the text because it might be useful below
690 $ns = $this->mTitle
->getNamespace();
691 $title = $this->mTitle
->getDBkey();
692 $etitle = wfStrencode( $title );
693 $sql = "SELECT old_text,old_flags FROM old WHERE old_namespace=$ns and old_title='$etitle' ORDER BY inverse_timestamp LIMIT 1";
694 $res = wfQuery( $sql, DB_READ
, $fname );
695 if( ($old=wfFetchObject($res)) && !$wpConfirm ) {
696 $skin=$wgUser->getSkin();
697 $wgOut->addHTML("<B>".wfMsg("historywarning"));
698 $wgOut->addHTML( $skin->historyLink() ."</B><P>");
701 $sql="SELECT cur_text FROM cur WHERE cur_namespace=$ns and cur_title='$etitle'";
702 $res=wfQuery($sql, DB_READ
, $fname);
703 if( ($s=wfFetchObject($res))) {
705 # if this is a mini-text, we can paste part of it into the deletion reason
707 #if this is empty, an earlier revision may contain "useful" text
708 if($s->cur_text
!="") {
712 $text = Article
::getRevisionText( $old );
718 $length=strlen($text);
720 # this should not happen, since it is not possible to store an empty, new
721 # page. Let's insert a standard text in case it does, though
722 if($length==0 && !$wpReason) { $wpReason=wfmsg("exblank");}
725 if($length < 500 && !$wpReason) {
727 # comment field=255, let's grep the first 150 to have some user
729 $text=substr($text,0,150);
730 # let's strip out newlines and HTML tags
731 $text=preg_replace("/\"/","'",$text);
732 $text=preg_replace("/\</","<",$text);
733 $text=preg_replace("/\>/",">",$text);
734 $text=preg_replace("/[\n\r]/","",$text);
736 $wpReason=wfMsg("excontent"). " '".$text;
738 $wpReason=wfMsg("exbeforeblank") . " '".$text;
740 if($length>150) { $wpReason .= "..."; } # we've only pasted part of the text
745 return $this->confirmDelete();
748 function confirmDelete( $par = "" )
753 wfDebug( "Article::confirmDelete\n" );
755 $sub = htmlspecialchars( $this->mTitle
->getPrefixedText() );
756 $wgOut->setSubtitle( wfMsg( "deletesub", $sub ) );
757 $wgOut->setRobotpolicy( "noindex,nofollow" );
758 $wgOut->addWikiText( wfMsg( "confirmdeletetext" ) );
760 $t = $this->mTitle
->getPrefixedURL();
762 $formaction = wfEscapeHTML( wfLocalUrl( $t, "action=delete" . $par ) );
763 $confirm = wfMsg( "confirm" );
764 $check = wfMsg( "confirmcheck" );
765 $delcom = wfMsg( "deletecomment" );
768 <form id=\"deleteconfirm\" method=\"post\" action=\"{$formaction}\">
769 <table border=0><tr><td align=right>
770 {$delcom}:</td><td align=left>
771 <input type=text size=60 name=\"wpReason\" value=\"" . htmlspecialchars( $wpReason ) . "\">
772 </td></tr><tr><td> </td></tr>
774 <input type=checkbox name=\"wpConfirm\" value='1' id=\"wpConfirm\">
775 </td><td><label for=\"wpConfirm\">{$check}</label></td>
776 </tr><tr><td> </td><td>
777 <input type=submit name=\"wpConfirmB\" value=\"{$confirm}\">
778 </td></tr></table></form>\n" );
780 $wgOut->returnToMain( false );
785 global $wgOut, $wgUser, $wgLang;
787 $fname = "Article::doDelete";
788 wfDebug( "$fname\n" );
790 $this->doDeleteArticle( $this->mTitle
);
791 $deleted = $this->mTitle
->getPrefixedText();
793 $wgOut->setPagetitle( wfMsg( "actioncomplete" ) );
794 $wgOut->setRobotpolicy( "noindex,nofollow" );
796 $sk = $wgUser->getSkin();
797 $loglink = $sk->makeKnownLink( $wgLang->getNsText(
798 Namespace::getWikipedia() ) .
799 ":" . wfMsg( "dellogpage" ), wfMsg( "deletionlog" ) );
801 $text = wfMsg( "deletedtext", $deleted, $loglink );
803 $wgOut->addHTML( "<p>" . $text );
804 $wgOut->returnToMain( false );
807 function doDeleteArticle( $title )
809 global $wgUser, $wgOut, $wgLang, $wpReason;
810 global $wgUseSquid, $wgDeferredUpdateList, $wgInternalServer;
812 $fname = "Article::doDeleteArticle";
813 wfDebug( "$fname\n" );
815 $ns = $title->getNamespace();
816 $t = wfStrencode( $title->getDBkey() );
817 $id = $title->getArticleID();
820 $wgOut->fatalError( wfMsg( "cannotdelete" ) );
824 $u = new SiteStatsUpdate( 0, 1, -$this->isCountable( $this->getContent( true ) ) );
825 array_push( $wgDeferredUpdateList, $u );
830 $wgInternalServer.wfLocalUrl( $this->mTitle
->getPrefixedURL())
832 wfPurgeSquidServers($urlArr);
834 /* prepare the list of urls to purge */
835 $sql = "SELECT l_from FROM links WHERE l_to={$id}" ;
836 $res = wfQuery ( $sql, DB_READ
) ;
837 while ( $BL = wfFetchObject ( $res ) )
839 $tobj = Title
::newFromDBkey( $BL->l_from
) ;
840 $blurlArr[] = $wgInternalServer.wfLocalUrl( $tobj->getPrefixedURL() );
842 wfFreeResult ( $res ) ;
843 $u = new SquidUpdate( $this->mTitle
, $blurlArr );
844 array_push( $wgDeferredUpdateList, $u );
850 # Move article and history to the "archive" table
851 $sql = "INSERT INTO archive (ar_namespace,ar_title,ar_text," .
852 "ar_comment,ar_user,ar_user_text,ar_timestamp,ar_minor_edit," .
853 "ar_flags) SELECT cur_namespace,cur_title,cur_text,cur_comment," .
854 "cur_user,cur_user_text,cur_timestamp,cur_minor_edit,0 FROM cur " .
855 "WHERE cur_namespace={$ns} AND cur_title='{$t}'";
856 wfQuery( $sql, DB_WRITE
, $fname );
858 $sql = "INSERT INTO archive (ar_namespace,ar_title,ar_text," .
859 "ar_comment,ar_user,ar_user_text,ar_timestamp,ar_minor_edit," .
860 "ar_flags) SELECT old_namespace,old_title,old_text,old_comment," .
861 "old_user,old_user_text,old_timestamp,old_minor_edit,old_flags " .
862 "FROM old WHERE old_namespace={$ns} AND old_title='{$t}'";
863 wfQuery( $sql, DB_WRITE
, $fname );
865 # Now that it's safely backed up, delete it
867 $sql = "DELETE FROM cur WHERE cur_namespace={$ns} AND " .
869 wfQuery( $sql, DB_WRITE
, $fname );
871 $sql = "DELETE FROM old WHERE old_namespace={$ns} AND " .
873 wfQuery( $sql, DB_WRITE
, $fname );
875 $sql = "DELETE FROM recentchanges WHERE rc_namespace={$ns} AND " .
877 wfQuery( $sql, DB_WRITE
, $fname );
879 # Finally, clean up the link tables
883 $t = wfStrencode( $title->getPrefixedDBkey() );
885 Article
::onArticleDelete( $title );
887 $sql = "SELECT l_from FROM links WHERE l_to={$id}";
888 $res = wfQuery( $sql, DB_READ
, $fname );
890 $sql = "INSERT INTO brokenlinks (bl_from,bl_to) VALUES ";
891 $now = wfTimestampNow();
892 $sql2 = "UPDATE cur SET cur_touched='{$now}' WHERE cur_id IN (";
895 while ( $s = wfFetchObject( $res ) ) {
896 $nt = Title
::newFromDBkey( $s->l_from
);
897 $lid = $nt->getArticleID();
899 if ( ! $first ) { $sql .= ","; $sql2 .= ","; }
901 $sql .= "({$lid},'{$t}')";
906 wfQuery( $sql, DB_WRITE
, $fname );
907 wfQuery( $sql2, DB_WRITE
, $fname );
909 wfFreeResult( $res );
911 $sql = "DELETE FROM links WHERE l_to={$id}";
912 wfQuery( $sql, DB_WRITE
, $fname );
914 $sql = "DELETE FROM links WHERE l_from='{$t}'";
915 wfQuery( $sql, DB_WRITE
, $fname );
917 $sql = "DELETE FROM imagelinks WHERE il_from='{$t}'";
918 wfQuery( $sql, DB_WRITE
, $fname );
920 $sql = "DELETE FROM brokenlinks WHERE bl_from={$id}";
921 wfQuery( $sql, DB_WRITE
, $fname );
924 $log = new LogPage( wfMsg( "dellogpage" ), wfMsg( "dellogpagetext" ) );
925 $art = $title->getPrefixedText();
926 $wpReason = wfCleanQueryVar( $wpReason );
927 $log->addEntry( wfMsg( "deletedarticle", $art ), $wpReason );
929 # Clear the cached article id so the interface doesn't act like we exist
930 $this->mTitle
->resetArticleID( 0 );
931 $this->mTitle
->mArticleID
= 0;
936 global $wgUser, $wgLang, $wgOut, $from;
938 if ( ! $wgUser->isSysop() ) {
939 $wgOut->sysopRequired();
942 if ( wfReadOnly() ) {
943 $wgOut->readOnlyPage( $this->getContent() );
947 # Enhanced rollback, marks edits rc_bot=1
948 $bot = !!$_REQUEST['bot'];
950 # Replace all this user's current edits with the next one down
951 $tt = wfStrencode( $this->mTitle
->getDBKey() );
952 $n = $this->mTitle
->getNamespace();
954 # Get the last editor
955 $sql = "SELECT cur_id,cur_user,cur_user_text,cur_comment FROM cur WHERE cur_title='{$tt}' AND cur_namespace={$n}";
956 $res = wfQuery( $sql, DB_READ
);
957 if( ($x = wfNumRows( $res )) != 1 ) {
959 $wgOut->addHTML( wfMsg( "notanarticle" ) );
962 $s = wfFetchObject( $res );
963 $ut = wfStrencode( $s->cur_user_text
);
967 $from = str_replace( '_', ' ', wfCleanQueryVar( $from ) );
968 if( $from != $s->cur_user_text
) {
969 $wgOut->setPageTitle(wfmsg("rollbackfailed"));
970 $wgOut->addWikiText( wfMsg( "alreadyrolled",
971 htmlspecialchars( $this->mTitle
->getPrefixedText()),
972 htmlspecialchars( $from ),
973 htmlspecialchars( $s->cur_user_text
) ) );
974 if($s->cur_comment
!= "") {
977 htmlspecialchars( $s->cur_comment
) ) );
982 # Get the last edit not by this guy
983 $sql = "SELECT old_text,old_user,old_user_text,old_timestamp,old_flags
984 FROM old USE INDEX (name_title_timestamp)
985 WHERE old_namespace={$n} AND old_title='{$tt}'
986 AND (old_user <> {$uid} OR old_user_text <> '{$ut}')
987 ORDER BY inverse_timestamp LIMIT 1";
988 $res = wfQuery( $sql, DB_READ
);
989 if( wfNumRows( $res ) != 1 ) {
991 $wgOut->setPageTitle(wfMsg("rollbackfailed"));
992 $wgOut->addHTML( wfMsg( "cantrollback" ) );
995 $s = wfFetchObject( $res );
998 # Mark all reverted edits as bot
999 $sql = "UPDATE recentchanges SET rc_bot=1 WHERE
1000 rc_cur_id=$pid AND rc_user=$uid AND rc_timestamp > '{$s->old_timestamp}'";
1001 wfQuery( $sql, DB_WRITE
, $fname );
1005 $newcomment = wfMsg( "revertpage", $s->old_user_text
, $from );
1006 $wgOut->setPagetitle( wfMsg( "actioncomplete" ) );
1007 $wgOut->setRobotpolicy( "noindex,nofollow" );
1008 $wgOut->addHTML( "<h2>" . $newcomment . "</h2>\n<hr>\n" );
1009 $this->updateArticle( Article
::getRevisionText( $s ), $newcomment, 1, $this->mTitle
->userIsWatching(), "", $bot );
1011 Article
::onArticleEdit( $this->mTitle
);
1012 $wgOut->returnToMain( false );
1016 # Do standard deferred updates after page view
1018 /* private */ function viewUpdates()
1020 global $wgDeferredUpdateList;
1021 if ( 0 != $this->getID() ) {
1022 global $wgDisableCounters;
1023 if( !$wgDisableCounters ) {
1024 Article
::incViewCount( $this->getID() );
1025 $u = new SiteStatsUpdate( 1, 0, 0 );
1026 array_push( $wgDeferredUpdateList, $u );
1028 $u = new UserTalkUpdate( 0, $this->mTitle
->getNamespace(),
1029 $this->mTitle
->getDBkey() );
1030 array_push( $wgDeferredUpdateList, $u );
1034 # Do standard deferred updates after page edit.
1035 # Every 1000th edit, prune the recent changes table.
1037 /* private */ function editUpdates( $text )
1039 global $wgDeferredUpdateList, $wgDBname, $wgMemc;
1040 global $wgMessageCache;
1043 if ( 0 == mt_rand( 0, 999 ) ) {
1044 $cutoff = wfUnix2Timestamp( time() - ( 7 * 86400 ) );
1045 $sql = "DELETE FROM recentchanges WHERE rc_timestamp < '{$cutoff}'";
1046 wfQuery( $sql, DB_WRITE
);
1048 $id = $this->getID();
1049 $title = $this->mTitle
->getPrefixedDBkey();
1050 $shortTitle = $this->mTitle
->getDBkey();
1052 $adj = $this->mCountAdjustment
;
1055 $u = new LinksUpdate( $id, $title );
1056 array_push( $wgDeferredUpdateList, $u );
1057 $u = new SiteStatsUpdate( 0, 1, $adj );
1058 array_push( $wgDeferredUpdateList, $u );
1059 $u = new SearchUpdate( $id, $title, $text );
1060 array_push( $wgDeferredUpdateList, $u );
1062 $u = new UserTalkUpdate( 1, $this->mTitle
->getNamespace(), $shortTitle );
1063 array_push( $wgDeferredUpdateList, $u );
1065 if ( $this->mTitle
->getNamespace() == NS_MEDIAWIKI
) {
1066 $wgMessageCache->replace( $shortTitle, $text );
1071 /* private */ function setOldSubtitle()
1073 global $wgLang, $wgOut;
1075 $td = $wgLang->timeanddate( $this->mTimestamp
, true );
1076 $r = wfMsg( "revisionasof", $td );
1077 $wgOut->setSubtitle( "({$r})" );
1080 # This function is called right before saving the wikitext,
1081 # so we can do things like signatures and links-in-context.
1083 function preSaveTransform( $text )
1086 while ( "" != $text ) {
1087 $p = preg_split( "/<\\s*nowiki\\s*>/i", $text, 2 );
1088 $s .= $this->pstPass2( $p[0] );
1090 if ( ( count( $p ) < 2 ) ||
( "" == $p[1] ) ) { $text = ""; }
1092 $q = preg_split( "/<\\/\\s*nowiki\\s*>/i", $p[1], 2 );
1093 $s .= "<nowiki>{$q[0]}</nowiki>";
1100 /* private */ function pstPass2( $text )
1102 global $wgUser, $wgLang, $wgLocaltimezone;
1106 $n = $wgUser->getName();
1107 $k = $wgUser->getOption( "nickname" );
1108 if ( "" == $k ) { $k = $n; }
1109 if(isset($wgLocaltimezone)) {
1110 $oldtz = getenv("TZ"); putenv("TZ=$wgLocaltimezone");
1112 /* Note: this is an ugly timezone hack for the European wikis */
1113 $d = $wgLang->timeanddate( date( "YmdHis" ), false ) .
1114 " (" . date( "T" ) . ")";
1115 if(isset($wgLocaltimezone)) putenv("TZ=$oldtz");
1117 $text = preg_replace( "/~~~~/", "[[" . $wgLang->getNsText(
1118 Namespace::getUser() ) . ":$n|$k]] $d", $text );
1119 $text = preg_replace( "/~~~/", "[[" . $wgLang->getNsText(
1120 Namespace::getUser() ) . ":$n|$k]]", $text );
1122 # Context links: [[|name]] and [[name (context)|]]
1124 $tc = "[&;%\\-,.\\(\\)' _0-9A-Za-z\\/:\\x80-\\xff]";
1125 $np = "[&;%\\-,.' _0-9A-Za-z\\/:\\x80-\\xff]"; # No parens
1126 $namespacechar = '[ _0-9A-Za-z\x80-\xff]'; # Namespaces can use non-ascii!
1127 $conpat = "/^({$np}+) \\(({$tc}+)\\)$/";
1129 $p1 = "/\[\[({$np}+) \\(({$np}+)\\)\\|]]/"; # [[page (context)|]]
1130 $p2 = "/\[\[\\|({$tc}+)]]/"; # [[|page]]
1131 $p3 = "/\[\[($namespacechar+):({$np}+)\\|]]/"; # [[namespace:page|]]
1132 $p4 = "/\[\[($namespacechar+):({$np}+) \\(({$np}+)\\)\\|]]/";
1133 # [[ns:page (cont)|]]
1135 $t = $this->mTitle
->getText();
1136 if ( preg_match( $conpat, $t, $m ) ) {
1139 $text = preg_replace( $p4, "[[\\1:\\2 (\\3)|\\2]]", $text );
1140 $text = preg_replace( $p1, "[[\\1 (\\2)|\\1]]", $text );
1141 $text = preg_replace( $p3, "[[\\1:\\2|\\2]]", $text );
1143 if ( "" == $context ) {
1144 $text = preg_replace( $p2, "[[\\1]]", $text );
1146 $text = preg_replace( $p2, "[[\\1 ({$context})|\\1]]", $text );
1149 # {{SUBST:xxx}} variables
1151 $mw =& MagicWord
::get( MAG_SUBST
);
1152 $text = $mw->substituteCallback( $text, "wfReplaceSubstVar" );
1155 # Trim trailing whitespace
1156 # MAG_END (__END__) tag allows for trailing
1157 # whitespace to be deliberately included
1158 $text = rtrim( $text );
1159 $mw =& MagicWord::get( MAG_END );
1160 $mw->matchAndRemove( $text );
1165 /* Caching functions */
1167 # checkLastModified returns true iff it has taken care of all
1168 # output to the client that is necessary for this request.
1169 # (that is, it has sent a cached version of the page)
1170 function tryFileCache() {
1171 static $called = false;
1173 wfDebug( " tryFileCache() -- called twice!?\n" );
1177 if($this->isFileCacheable()) {
1178 $touched = $this->mTouched
;
1179 if( $this->mTitle
->getPrefixedDBkey() == wfMsg( "mainpage" ) ) {
1180 # Expire the main page quicker
1181 $expire = wfUnix2Timestamp( time() - 3600 );
1182 $touched = max( $expire, $touched );
1184 $cache = new CacheManager( $this->mTitle
);
1185 if($cache->isFileCacheGood( $touched )) {
1187 wfDebug( " tryFileCache() - about to load\n" );
1188 $cache->loadFromFileCache();
1191 wfDebug( " tryFileCache() - starting buffer\n" );
1192 ob_start( array(&$cache, 'saveToFileCache' ) );
1195 wfDebug( " tryFileCache() - not cacheable\n" );
1199 function isFileCacheable() {
1200 global $wgUser, $wgUseFileCache, $wgShowIPinHeader;
1201 global $action, $oldid, $diff, $redirect, $printable;
1202 return $wgUseFileCache
1203 and (!$wgShowIPinHeader)
1204 and ($this->getID() != 0)
1205 and ($wgUser->getId() == 0)
1206 and (!$wgUser->getNewtalk())
1207 and ($this->mTitle
->getNamespace() != Namespace::getSpecial())
1208 and ($action == "view")
1209 and (!isset($oldid))
1211 and (!isset($redirect))
1212 and (!isset($printable))
1213 and (!$this->mRedirectedFrom
);
1216 function checkTouched() {
1217 $id = $this->getID();
1218 $sql = "SELECT cur_touched,cur_is_redirect FROM cur WHERE cur_id=$id";
1219 $res = wfQuery( $sql, DB_READ
, "Article::checkTouched" );
1220 if( $s = wfFetchObject( $res ) ) {
1221 $this->mTouched
= $s->cur_touched
;
1222 return !$s->cur_is_redirect
;
1228 /* static */ function incViewCount( $id )
1230 $id = intval( $id );
1231 global $wgHitcounterUpdateFreq;
1233 if( $wgHitcounterUpdateFreq <= 1 ){ //
1234 wfQuery("UPDATE cur SET cur_counter = cur_counter + 1 " .
1235 "WHERE cur_id = $id", DB_WRITE
);
1239 # Not important enough to warrant an error page in case of failure
1240 $oldignore = wfIgnoreSQLErrors( true );
1242 wfQuery("INSERT INTO hitcounter (hc_id) VALUES ({$id})", DB_WRITE
);
1244 $checkfreq = intval( $wgHitcounterUpdateFreq/25 +
1 );
1245 if( (rand() %
$checkfreq != 0) or (wfLastErrno() != 0) ){
1246 # Most of the time (or on SQL errors), skip row count check
1247 wfIgnoreSQLErrors( $oldignore );
1251 $res = wfQuery("SELECT COUNT(*) as n FROM hitcounter", DB_WRITE
);
1252 $row = wfFetchObject( $res );
1253 $rown = intval( $row->n
);
1254 if( $rown >= $wgHitcounterUpdateFreq ){
1255 wfProfileIn( "Article::incViewCount-collect" );
1256 $old_user_abort = ignore_user_abort( true );
1258 wfQuery("LOCK TABLES hitcounter WRITE", DB_WRITE
);
1259 wfQuery("CREATE TEMPORARY TABLE acchits TYPE=HEAP ".
1260 "SELECT hc_id,COUNT(*) AS hc_n FROM hitcounter ".
1261 "GROUP BY hc_id", DB_WRITE
);
1262 wfQuery("DELETE FROM hitcounter", DB_WRITE
);
1263 wfQuery("UNLOCK TABLES", DB_WRITE
);
1264 wfQuery("UPDATE cur,acchits SET cur_counter=cur_counter + hc_n ".
1265 "WHERE cur_id = hc_id", DB_WRITE
);
1266 wfQuery("DROP TABLE acchits", DB_WRITE
);
1268 ignore_user_abort( $old_user_abort );
1269 wfProfileOut( "Article::incViewCount-collect" );
1271 wfIgnoreSQLErrors( $oldignore );
1274 # The onArticle*() functions are supposed to be a kind of hooks
1275 # which should be called whenever any of the specified actions
1278 # This is a good place to put code to clear caches, for instance.
1280 /* static */ function onArticleCreate($title_obj){
1281 global $wgEnablePersistentLC, $wgEnableParserCache;
1282 if ( $wgEnablePersistentLC ) {
1283 LinkCache
::linksccClearBrokenLinksTo( $title_obj->getPrefixedDBkey() );
1285 if ( $wgEnableParserCache ) {
1286 OutputPage
::parsercacheClearBrokenLinksTo( $title_obj->getPrefixedDBkey() );
1290 /* static */ function onArticleDelete($title_obj){
1291 global $wgEnablePersistentLC, $wgEnableParserCache;
1292 if ( $wgEnablePersistentLC ) {
1293 LinkCache
::linksccClearLinksTo( $title_obj->getArticleID() );
1295 if ( $wgEnableParserCache ) {
1296 OutputPage
::parsercacheClearLinksTo( $title_obj->getArticleID() );
1300 /* static */ function onArticleEdit($title_obj){
1301 global $wgEnablePersistentLC, $wgEnableParserCache;
1302 if ( $wgEnablePersistentLC ) {
1303 LinkCache
::linksccClearPage( $title_obj->getArticleID() );
1305 if ( $wgEnableParserCache ) {
1306 OutputPage
::parsercacheClearPage( $title_obj->getArticleID(), $title_obj->getNamespace() );
1311 function wfReplaceSubstVar( $matches ) {
1312 return wfMsg( $matches[1] );