.*?<\/h[1-6].*?' . '>(?!\S)/mi',$subheadline,$matches);
$subhlevel=$matches[1];
if(strpos($subhlevel,'=')!==false) {
$subhlevel=strlen($subhlevel);
}
if($subhlevel > $hlevel) {
$rv.=$subheadline.$secs[$count*2];
}
if($subhlevel <= $hlevel) {
$break=true;
}
$count++;
}
}
# reinsert stripped tags
$rv=$parser->unstrip($rv,$striparray);
$rv=$parser->unstripNoWiki($rv,$striparray);
$rv=trim($rv);
return $rv;
}
/**
* Return an array of the columns of the "cur"-table
*/
function getContentFields() {
return $wgArticleContentFields = array(
'old_text','old_flags',
'rev_timestamp','rev_user', 'rev_user_text', 'rev_comment','page_counter',
'page_namespace', 'page_title', 'page_restrictions','page_touched','page_is_redirect' );
}
/**
* Return the oldid of the article that is to be shown.
* For requests with a "direction", this is not the oldid of the
* query
*/
function getOldID() {
global $wgRequest, $wgOut;
static $lastid;
if ( isset( $lastid ) ) {
return $lastid;
}
# Query variables :P
$oldid = $wgRequest->getVal( 'oldid' );
if ( isset( $oldid ) ) {
$dbr =& $this->getDB();
$oldid = IntVal( $oldid );
if ( $wgRequest->getVal( 'direction' ) == 'next' ) {
$nextid = $this->mTitle->getNextRevisionID( $oldid );
if ( $nextid ) {
$oldid = $nextid;
} else {
$wgOut->redirect( $this->mTitle->getFullURL( 'redirect=no' ) );
}
} elseif ( $wgRequest->getVal( 'direction' ) == 'prev' ) {
$previd = $this->mTitle->getPreviousRevisionID( $oldid );
if ( $previd ) {
$oldid = $previd;
} else {
# TODO
}
}
$lastid = $oldid;
}
return @$oldid; # "@" to be able to return "unset" without PHP complaining
}
/**
* Load the revision (including cur_text) into this object
*/
function loadContent( $noredir = false ) {
global $wgOut, $wgRequest;
if ( $this->mContentLoaded ) return;
$dbr =& $this->getDB();
# Query variables :P
$oldid = $this->getOldID();
$redirect = $wgRequest->getVal( 'redirect' );
$fname = 'Article::loadContent';
# Pre-fill content with error message so that if something
# fails we'll have something telling us what we intended.
$t = $this->mTitle->getPrefixedText();
$noredir = $noredir || ($wgRequest->getVal( 'redirect' ) == 'no');
$this->mOldId = $oldid;
$this->fetchContent( $oldid, $noredir, true );
}
/**
* Get text of an article from database
* @param int $oldid 0 for whatever the latest revision is
* @param bool $noredir Set to true to avoid following redirects
* @param bool $globalTitle Set to true to change the global $wgTitle object when following redirects or other unexpected title changes
* @return string
*/
function fetchContent( $oldid = 0, $noredir = false, $globalTitle = false ) {
if ( $this->mContentLoaded ) {
return $this->mContent;
}
$dbr =& $this->getDB();
$fname = 'Article::fetchContent';
# Pre-fill content with error message so that if something
# fails we'll have something telling us what we intended.
$t = $this->mTitle->getPrefixedText();
if( $oldid ) {
$t .= ',oldid='.$oldid;
}
if( isset( $redirect ) ) {
$redirect = ($redirect == 'no') ? 'no' : 'yes';
$t .= ',redirect='.$redirect;
}
$this->mContent = wfMsg( 'missingarticle', $t );
if( !$oldid ) {
# Retrieve current version
$id = $this->getID();
if ( 0 == $id ) {
return false;
}
$s = $dbr->selectRow( array( 'text', 'revision', 'page' ),
$this->getContentFields(),
"page_id='$id' AND rev_page=page_id AND rev_id=page_latest AND old_id=rev_id",
$fname, $this->getSelectOptions() );
} else {
# Historical revision
$s = $dbr->selectRow( array( 'text', 'revision', 'page' ),
$this->getContentFields(),
"rev_page=page_id AND rev_id='$oldid' AND old_id=rev_id",
$fname, $this->getSelectOptions() );
}
if ( $s === false ) {
return false;
}
# If we got a redirect, follow it (unless we've been told
# not to by either the function parameter or the query
if ( !$oldid && !$noredir ) {
$rt = Title::newFromRedirect( Revision::getRevisionText( $s ) );
# process if title object is valid and not special:userlogout
if ( $rt && ! ( $rt->getNamespace() == NS_SPECIAL && $rt->getText() == 'Userlogout' ) ) {
# Gotta hand redirects to special pages differently:
# Fill the HTTP response "Location" header and ignore
# the rest of the page we're on.
if( $globalTitle ) {
global $wgOut;
if ( $rt->getInterwiki() != '' ) {
$wgOut->redirect( $rt->getFullURL() ) ;
return false;
}
if ( $rt->getNamespace() == NS_SPECIAL ) {
$wgOut->redirect( $rt->getFullURL() );
return false;
}
}
$rid = $rt->getArticleID();
if ( 0 != $rid ) {
$redirRow = $dbr->selectRow( array( 'text', 'revision', 'page' ),
$this->getContentFields(),
"page_id='$rid' AND rev_page=page_id AND rev_id=page_latest AND old_id=rev_id",
$fname, $this->getSelectOptions() );
if ( $redirRow !== false ) {
$this->mRedirectedFrom = $this->mTitle->getPrefixedText();
$this->mTitle = $rt;
$s = $redirRow;
}
}
}
}
# if the title's different from expected, update...
if( $globalTitle &&
( $this->mTitle->getNamespace() != $s->page_namespace ||
$this->mTitle->getDBkey() != $s->page_title ) ) {
$oldTitle = Title::makeTitle( $s->page_namesapce, $s->page_title );
$this->mTitle = $oldTitle;
global $wgTitle;
$wgTitle = $oldTitle;
}
# Back to the business at hand...
$this->mCounter = $s->page_counter;
$this->mTitle->mRestrictions = explode( ',', trim( $s->page_restrictions ) );
$this->mTitle->mRestrictionsLoaded = true;
$this->mTouched = wfTimestamp( TS_MW, $s->page_touched );
$this->mContent = Revision::getRevisionText( $s );
$this->mUser = $s->rev_user;
$this->mUserText = $s->rev_user_text;
$this->mComment = $s->rev_comment;
$this->mTimestamp = wfTimestamp( TS_MW, $s->rev_timestamp );
$this->mContentLoaded = true;
return $this->mContent;
}
/**
* Gets the article text without using so many damn globals
* Returns false on error
*
* @param integer $oldid
*/
function getContentWithoutUsingSoManyDamnGlobals( $oldid = 0, $noredir = false ) {
return $this->fetchContent( $oldid, $noredir, false );
}
/**
* Read/write accessor to select FOR UPDATE
*/
function forUpdate( $x = NULL ) {
return wfSetVar( $this->mForUpdate, $x );
}
/**
* Get the database which should be used for reads
*/
function &getDB() {
if ( $this->mForUpdate ) {
return wfGetDB( DB_MASTER );
} else {
return wfGetDB( DB_SLAVE );
}
}
/**
* Get options for all SELECT statements
* Can pass an option array, to which the class-wide options will be appended
*/
function getSelectOptions( $options = '' ) {
if ( $this->mForUpdate ) {
if ( is_array( $options ) ) {
$options[] = 'FOR UPDATE';
} else {
$options = 'FOR UPDATE';
}
}
return $options;
}
/**
* Return the Article ID
*/
function getID() {
if( $this->mTitle ) {
return $this->mTitle->getArticleID();
} else {
return 0;
}
}
/**
* Get the view count for this article
*/
function getCount() {
if ( -1 == $this->mCounter ) {
$id = $this->getID();
$dbr =& $this->getDB();
$this->mCounter = $dbr->selectField( 'page', 'page_counter', array( 'page_id' => $id ),
'Article::getCount', $this->getSelectOptions() );
}
return $this->mCounter;
}
/**
* Would the given text make this article a "good" article (i.e.,
* suitable for including in the article count)?
* @param string $text Text to analyze
* @return integer 1 if it can be counted else 0
*/
function isCountable( $text ) {
global $wgUseCommaCount;
if ( NS_MAIN != $this->mTitle->getNamespace() ) { return 0; }
if ( $this->isRedirect( $text ) ) { return 0; }
$token = ($wgUseCommaCount ? ',' : '[[' );
if ( false === strstr( $text, $token ) ) { return 0; }
return 1;
}
/**
* Tests if the article text represents a redirect
*/
function isRedirect( $text = false ) {
if ( $text === false ) {
$this->loadContent();
$titleObj = Title::newFromRedirect( $this->mText );
} else {
$titleObj = Title::newFromRedirect( $text );
}
return $titleObj !== NULL;
}
/**
* Loads everything except the text
* This isn't necessary for all uses, so it's only done if needed.
* @private
*/
function loadLastEdit() {
global $wgOut;
if ( -1 != $this->mUser )
return;
$fname = 'Article::loadLastEdit';
$dbr =& $this->getDB();
$s = $dbr->selectRow( array( 'revision', 'page') ,
array( 'rev_user','rev_user_text','rev_timestamp', 'rev_comment','rev_minor_edit' ),
array( 'page_id' => $this->getID(), 'page_latest=rev_id' ), $fname, $this->getSelectOptions() );
if ( $s !== false ) {
$this->mUser = $s->rev_user;
$this->mUserText = $s->rev_user_text;
$this->mTimestamp = wfTimestamp(TS_MW,$s->rev_timestamp);
$this->mComment = $s->rev_comment;
$this->mMinorEdit = $s->rev_minor_edit;
}
}
function getTimestamp() {
$this->loadLastEdit();
return $this->mTimestamp;
}
function getUser() {
$this->loadLastEdit();
return $this->mUser;
}
function getUserText() {
$this->loadLastEdit();
return $this->mUserText;
}
function getComment() {
$this->loadLastEdit();
return $this->mComment;
}
function getMinorEdit() {
$this->loadLastEdit();
return $this->mMinorEdit;
}
function getContributors($limit = 0, $offset = 0) {
$fname = 'Article::getContributors';
# XXX: this is expensive; cache this info somewhere.
$title = $this->mTitle;
$contribs = array();
$dbr =& $this->getDB();
$revTable = $dbr->tableName( 'revision' );
$userTable = $dbr->tableName( 'user' );
$encDBkey = $dbr->addQuotes( $title->getDBkey() );
$ns = $title->getNamespace();
$user = $this->getUser();
$pageId = $this->getId();
$sql = "SELECT rev_user, rev_user_text, user_real_name, MAX(rev_timestamp) as timestamp
FROM $revTable LEFT JOIN $userTable ON rev_user = user_id
WHERE rev_page = $pageId
AND rev_user != $user
GROUP BY rev_user, rev_user_text, user_real_name
ORDER BY timestamp DESC";
if ($limit > 0) { $sql .= ' LIMIT '.$limit; }
$sql .= ' '. $this->getSelectOptions();
$res = $dbr->query($sql, $fname);
while ( $line = $dbr->fetchObject( $res ) ) {
$contribs[] = array($line->rev_user, $line->rev_user_text, $line->user_real_name);
}
$dbr->freeResult($res);
return $contribs;
}
/**
* This is the default action of the script: just view the page of
* the given title.
*/
function view() {
global $wgUser, $wgOut, $wgRequest, $wgOnlySysopsCanPatrol, $wgLang;
global $wgLinkCache, $IP, $wgEnableParserCache, $wgStylePath, $wgUseRCPatrol;
global $wgEnotif;
$sk = $wgUser->getSkin();
$fname = 'Article::view';
wfProfileIn( $fname );
# Get variables from query string
$oldid = $this->getOldID();
$diff = $wgRequest->getVal( 'diff' );
$rcid = $wgRequest->getVal( 'rcid' );
$wgOut->setArticleFlag( true );
$wgOut->setRobotpolicy( 'index,follow' );
# If we got diff and oldid in the query, we want to see a
# diff page instead of the article.
if ( !is_null( $diff ) ) {
require_once( 'DifferenceEngine.php' );
$wgOut->setPageTitle( $this->mTitle->getPrefixedText() );
$de = new DifferenceEngine( $oldid, $diff, $rcid );
$de->showDiffPage();
if( $diff == 0 ) {
# Run view updates for current revision only
$this->viewUpdates();
}
wfProfileOut( $fname );
return;
}
if ( empty( $oldid ) && $this->checkTouched() ) {
if( $wgOut->checkLastModified( $this->mTouched ) ){
wfProfileOut( $fname );
return;
} else if ( $this->tryFileCache() ) {
# tell wgOut that output is taken care of
$wgOut->disable();
$this->viewUpdates();
wfProfileOut( $fname );
return;
}
}
# Should the parser cache be used?
if ( $wgEnableParserCache && intval($wgUser->getOption( 'stubthreshold' )) == 0 && empty( $oldid ) ) {
$pcache = true;
} else {
$pcache = false;
}
$outputDone = false;
if ( $pcache ) {
if ( $wgOut->tryParserCache( $this, $wgUser ) ) {
$outputDone = true;
}
}
if ( !$outputDone ) {
$text = $this->getContent( false ); # May change mTitle by following a redirect
# Another whitelist check in case oldid or redirects are altering the title
if ( !$this->mTitle->userCanRead() ) {
$wgOut->loginToUse();
$wgOut->output();
exit;
}
# We're looking at an old revision
if ( !empty( $oldid ) ) {
$this->setOldSubtitle( isset($this->mOldId) ? $this->mOldId : $oldid );
$wgOut->setRobotpolicy( 'noindex,follow' );
}
if ( '' != $this->mRedirectedFrom ) {
$sk = $wgUser->getSkin();
$redir = $sk->makeKnownLink( $this->mRedirectedFrom, '',
'redirect=no' );
$s = wfMsg( 'redirectedfrom', $redir );
$wgOut->setSubtitle( $s );
# Can't cache redirects
$pcache = false;
}
# wrap user css and user js in pre and don't parse
# XXX: use $this->mTitle->usCssJsSubpage() when php is fixed/ a workaround is found
if (
$this->mTitle->getNamespace() == NS_USER &&
preg_match('/\\/[\\w]+\\.(css|js)$/', $this->mTitle->getDBkey())
) {
$wgOut->addWikiText( wfMsg('clearyourcache'));
$wgOut->addHTML( ''.htmlspecialchars($this->mContent)."\n
" );
} else if ( $rt = Title::newFromRedirect( $text ) ) {
# Display redirect
$imageUrl = $wgStylePath.'/common/images/redirect.png';
$targetUrl = $rt->escapeLocalURL();
$titleText = htmlspecialchars( $rt->getPrefixedText() );
$link = $sk->makeLinkObj( $rt );
$wgOut->addHTML( '
' .
''.$link.'' );
} else if ( $pcache ) {
# Display content and save to parser cache
$wgOut->addPrimaryWikiText( $text, $this );
} else {
# Display content, don't attempt to save to parser cache
$wgOut->addWikiText( $text );
}
}
$wgOut->setPageTitle( $this->mTitle->getPrefixedText() );
# If we have been passed an &rcid= parameter, we want to give the user a
# chance to mark this new article as patrolled.
if ( $wgUseRCPatrol && !is_null ( $rcid ) && $rcid != 0 && $wgUser->getID() != 0 &&
( $wgUser->isAllowed('patrol') || !$wgOnlySysopsCanPatrol ) )
{
$wgOut->addHTML( wfMsg ( 'markaspatrolledlink',
$sk->makeKnownLinkObj ( $this->mTitle, wfMsg ( 'markaspatrolledtext' ),
'action=markpatrolled&rcid='.$rcid )
) );
}
# Put link titles into the link cache
$wgOut->transformBuffer();
# Add link titles as META keywords
$wgOut->addMetaTags() ;
$this->viewUpdates();
wfProfileOut( $fname );
$wgUser->clearNotification( $this->mTitle );
}
/**
* Theoretically we could defer these whole insert and update
* functions for after display, but that's taking a big leap
* of faith, and we want to be able to report database
* errors at some point.
* @private
*/
function insertNewArticle( $text, $summary, $isminor, $watchthis ) {
global $wgOut, $wgUser;
global $wgUseSquid, $wgDeferredUpdateList, $wgInternalServer;
$fname = 'Article::insertNewArticle';
$this->mCountAdjustment = $this->isCountable( $text );
$ns = $this->mTitle->getNamespace();
$ttl = $this->mTitle->getDBkey();
$text = $this->preSaveTransform( $text );
if ( $this->isRedirect( $text ) ) { $redir = 1; }
else { $redir = 0; }
$now = wfTimestampNow();
$won = wfInvertTimestamp( $now );
wfSeedRandom();
$rand = wfRandom();
$isminor = ( $isminor && $wgUser->getID() ) ? 1 : 0;
$mungedText = $text;
$flags = Revision::compressRevisionText( $mungedText );
$dbw =& wfGetDB( DB_MASTER );
$old_id = $dbw->nextSequenceValue( 'text_old_id_seq' );
$dbw->insert( 'text', array(
'old_id' => $old_id,
'old_text' => $mungedText,
'old_flags' => $flags,
), $fname );
$revisionId = $dbw->insertId();
$page_id = $dbw->nextSequenceValue( 'page_page_id_seq' );
$dbw->insert( 'page', array(
'page_id' => $page_id,
'page_namespace' => $ns,
'page_title' => $ttl,
'page_counter' => 0,
'page_restrictions' => '',
'page_is_redirect' => $redir,
'page_is_new' => 1,
'page_random' => $rand,
'page_touched' => $dbw->timestamp($now),
'page_latest' => $revisionId,
), $fname );
$newid = $dbw->insertId();
$dbw->insert( 'revision', array(
'rev_page' => $newid,
'rev_id' => $revisionId,
'rev_comment' => $summary,
'rev_user' => $wgUser->getID(),
'rev_timestamp' => $dbw->timestamp($now),
'rev_minor_edit' => $isminor,
'rev_user_text' => $wgUser->getName(),
'inverse_timestamp' => $won,
), $fname );
$this->mTitle->resetArticleID( $newid );
Article::onArticleCreate( $this->mTitle );
RecentChange::notifyNew( $now, $this->mTitle, $isminor, $wgUser, $summary );
if ($watchthis) {
if(!$this->mTitle->userIsWatching()) $this->watch();
} else {
if ( $this->mTitle->userIsWatching() ) {
$this->unwatch();
}
}
# The talk page isn't in the regular link tables, so we need to update manually:
$talkns = $ns ^ 1; # talk -> normal; normal -> talk
$dbw->update( 'page',
array( 'page_touched' => $dbw->timestamp($now) ),
array( 'page_namespace' => $talkns,
'page_title' => $ttl ),
$fname );
# standard deferred updates
$this->editUpdates( $text, $summary, $isminor, $now );
$oldid = 0; # new article
$this->showArticle( $text, wfMsg( 'newarticle' ), false, $isminor, $now, $summary, $oldid );
}
/**
* Fetch and uncompress the text for a given revision.
* Can ask by rev_id number or timestamp (set $field)
*/
function fetchRevisionText( $revId = null, $field = 'rev_id' ) {
$fname = 'Article::fetchRevisionText';
$dbw =& wfGetDB( DB_MASTER );
if( $revId ) {
$rev = $dbw->addQuotes( $revId );
} else {
$rev = 'page_latest';
}
$result = $dbw->query(
sprintf( "SELECT old_text, old_flags
FROM %s,%s,%s
WHERE old_id=rev_id AND rev_page=page_id AND page_id=%d
AND %s=%s",
$dbw->tableName( 'page' ),
$dbw->tableName( 'revision' ),
$dbw->tableName( 'text' ),
IntVal( $this->mTitle->getArticleId() ),
$field,
$rev ),
$fname );
$obj = $dbw->fetchObject( $result );
$dbw->freeResult( $result );
$oldtext = Revision::getRevisionText( $obj );
return $oldtext;
}
function getTextOfLastEditWithSectionReplacedOrAdded($section, $text, $summary = '', $edittime = NULL) {
$fname = 'Article::getTextOfLastEditWithSectionReplacedOrAdded';
if( is_null( $edittime ) ) {
$oldtext = $this->fetchRevisionText();
} else {
$oldtext = $this->fetchRevisionText( $edittime, 'rev_timestamp' );
}
if ($section != '') {
if($section=='new') {
if($summary) $subject="== {$summary} ==\n\n";
$text=$oldtext."\n\n".$subject.$text;
} else {
# strip NOWIKI etc. to avoid confusion (true-parameter causes HTML
# comments to be stripped as well)
$striparray=array();
$parser=new Parser();
$parser->mOutputType=OT_WIKI;
$oldtext=$parser->strip($oldtext, $striparray, true);
# now that we can be sure that no pseudo-sections are in the source,
# split it up
# Unfortunately we can't simply do a preg_replace because that might
# replace the wrong section, so we have to use the section counter instead
$secs=preg_split('/(^=+.+?=+|^.*?<\/h[1-6].*?' . '>)(?!\S)/mi',
$oldtext,-1,PREG_SPLIT_DELIM_CAPTURE);
$secs[$section*2]=$text."\n\n"; // replace with edited
# section 0 is top (intro) section
if($section!=0) {
# headline of old section - we need to go through this section
# to determine if there are any subsections that now need to
# be erased, as the mother section has been replaced with
# the text of all subsections.
$headline=$secs[$section*2-1];
preg_match( '/^(=+).+?=+|^.*?<\/h[1-6].*?' . '>(?!\S)/mi',$headline,$matches);
$hlevel=$matches[1];
# determine headline level for wikimarkup headings
if(strpos($hlevel,'=')!==false) {
$hlevel=strlen($hlevel);
}
$secs[$section*2-1]=''; // erase old headline
$count=$section+1;
$break=false;
while(!empty($secs[$count*2-1]) && !$break) {
$subheadline=$secs[$count*2-1];
preg_match(
'/^(=+).+?=+|^.*?<\/h[1-6].*?' . '>(?!\S)/mi',$subheadline,$matches);
$subhlevel=$matches[1];
if(strpos($subhlevel,'=')!==false) {
$subhlevel=strlen($subhlevel);
}
if($subhlevel > $hlevel) {
// erase old subsections
$secs[$count*2-1]='';
$secs[$count*2]='';
}
if($subhlevel <= $hlevel) {
$break=true;
}
$count++;
}
}
$text=join('',$secs);
# reinsert the stuff that we stripped out earlier
$text=$parser->unstrip($text,$striparray);
$text=$parser->unstripNoWiki($text,$striparray);
}
}
return $text;
}
/**
* Change an existing article. Puts the previous version back into the old table, updates RC
* and all necessary caches, mostly via the deferred update array.
*
* It is possible to call this function from a command-line script, but note that you should
* first set $wgUser, and clean up $wgDeferredUpdates after each edit.
*/
function updateArticle( $text, $summary, $minor, $watchthis, $forceBot = false, $sectionanchor = '' ) {
global $wgOut, $wgUser;
global $wgDBtransactions, $wgMwRedir;
global $wgUseSquid, $wgInternalServer;
$fname = 'Article::updateArticle';
$good = true;
if ( $this->mMinorEdit ) { $me1 = 1; } else { $me1 = 0; }
if ( $minor && $wgUser->getID() ) { $me2 = 1; } else { $me2 = 0; }
if ( $this->isRedirect( $text ) ) {
# Remove all content but redirect
# This could be done by reconstructing the redirect from a title given by
# Title::newFromRedirect(), but then we wouldn't know which synonym the user
# wants to see
if ( preg_match( "/^((" . $wgMwRedir->getBaseRegex() . ')[^\\n]+)/i', $text, $m ) ) {
$redir = 1;
$text = $m[1] . "\n";
}
}
else { $redir = 0; }
$text = $this->preSaveTransform( $text );
$dbw =& wfGetDB( DB_MASTER );
# Update article, but only if changed.
# It's important that we either rollback or complete, otherwise an attacker could
# overwrite cur entries by sending precisely timed user aborts. Random bored users
# could conceivably have the same effect, especially if cur is locked for long periods.
if( $wgDBtransactions ) {
$dbw->query( 'BEGIN', $fname );
} else {
$userAbort = ignore_user_abort( true );
}
$oldtext = $this->getContent( true );
if ( 0 != strcmp( $text, $oldtext ) ) {
$this->mCountAdjustment = $this->isCountable( $text )
- $this->isCountable( $oldtext );
$now = wfTimestampNow();
$won = wfInvertTimestamp( $now );
$mungedText = $text;
$flags = Revision::compressRevisionText( $newtext );
$lastRevision = $dbw->selectField(
'page', 'page_latest', array( 'page_id' => $this->getId() ) );
# Record the text to the text table
$old_id = $dbw->nextSequenceValue( 'text_old_id_val' );
$dbw->insert( 'text',
array(
'old_id' => $old_id,
'old_text' => $mungedText,
'old_flags' => $flags,
), $fname
);
$revisionId = $dbw->insertId();
# Record the edit in revisions
$dbw->insert( 'revision',
array(
'rev_id' => $revisionId,
'rev_page' => $this->getID(),
'rev_comment' => $summary,
'rev_minor_edit' => $me2,
'rev_user' => $wgUser->getID(),
'rev_user_text' => $wgUser->getName(),
'rev_timestamp' => $dbw->timestamp( $now ),
'inverse_timestamp' => $won
), $fname
);
# Update page
$dbw->update( 'page',
array( /* SET */
'page_latest' => $revisionId,
'page_touched' => $dbw->timestamp( $now ),
'page_is_new' => 0,
'page_is_redirect' => $redir,
), array( /* WHERE */
'page_id' => $this->getID(),
'page_latest' => $lastRevision, # Paranoia
), $fname
);
if( $dbw->affectedRows() == 0 ) {
/* Belated edit conflict! Run away!! */
$good = false;
} else {
# Update recentchanges and purge cache and whatnot
$bot = (int)($wgUser->isBot() || $forceBot);
RecentChange::notifyEdit( $now, $this->mTitle, $me2, $wgUser, $summary,
$lastRevision, $this->getTimestamp(), $bot );
Article::onArticleEdit( $this->mTitle );
}
}
if( $wgDBtransactions ) {
$dbw->query( 'COMMIT', $fname );
} else {
ignore_user_abort( $userAbort );
}
if ( $good ) {
if ($watchthis) {
if (!$this->mTitle->userIsWatching()) $this->watch();
} else {
if ( $this->mTitle->userIsWatching() ) {
$this->unwatch();
}
}
# standard deferred updates
$this->editUpdates( $text, $summary, $minor, $now );
$urls = array();
# Template namespace
# Purge all articles linking here
if ( $this->mTitle->getNamespace() == NS_TEMPLATE) {
$titles = $this->mTitle->getLinksTo();
Title::touchArray( $titles );
if ( $wgUseSquid ) {
foreach ( $titles as $title ) {
$urls[] = $title->getInternalURL();
}
}
}
# Squid updates
if ( $wgUseSquid ) {
$urls = array_merge( $urls, $this->mTitle->getSquidURLs() );
$u = new SquidUpdate( $urls );
$u->doUpdate();
}
$this->showArticle( $text, wfMsg( 'updated' ), $sectionanchor, $me2, $now, $summary, $lastRevision );
}
return $good;
}
/**
* After we've either updated or inserted the article, update
* the link tables and redirect to the new page.
*/
function showArticle( $text, $subtitle , $sectionanchor = '', $me2, $now, $summary, $oldid ) {
global $wgOut, $wgUser, $wgLinkCache, $wgEnotif;
$wgLinkCache = new LinkCache();
# Select for update
$wgLinkCache->forUpdate( true );
# Get old version of link table to allow incremental link updates
$wgLinkCache->preFill( $this->mTitle );
$wgLinkCache->clear();
# Parse the text and replace links with placeholders
$wgOut = new OutputPage();
$wgOut->addWikiText( $text );
# Look up the links in the DB and add them to the link cache
$wgOut->transformBuffer( RLH_FOR_UPDATE );
if( $this->isRedirect( $text ) )
$r = 'redirect=no';
else
$r = '';
$wgOut->redirect( $this->mTitle->getFullURL( $r ).$sectionanchor );
# this call would better fit into RecentChange::notifyEdit and RecentChange::notifyNew .
# this will be improved later (to-do)
include_once( "UserMailer.php" );
$wgEnotif = new EmailNotification ();
$wgEnotif->NotifyOnPageChange( $wgUser->getID(), $this->mTitle->getDBkey(), $this->mTitle->getNamespace(),$now, $summary, $me2, $oldid );
}
/**
* Validate article
* @todo document this function a bit more
*/
function validate () {
global $wgOut, $wgUseValidation;
if( $wgUseValidation ) {
require_once ( 'SpecialValidate.php' ) ;
$wgOut->setPagetitle( wfMsg( 'validate' ) . ': ' . $this->mTitle->getPrefixedText() );
$wgOut->setRobotpolicy( 'noindex,follow' );
if( $this->mTitle->getNamespace() != 0 ) {
$wgOut->addHTML( wfMsg( 'val_validate_article_namespace_only' ) );
return;
}
$v = new Validation;
$v->validate_form( $this->mTitle->getDBkey() );
} else {
$wgOut->errorpage( 'nosuchaction', 'nosuchactiontext' );
}
}
/**
* Mark this particular edit as patrolled
*/
function markpatrolled() {
global $wgOut, $wgRequest, $wgOnlySysopsCanPatrol, $wgUseRCPatrol, $wgUser;
$wgOut->setRobotpolicy( 'noindex,follow' );
if ( !$wgUseRCPatrol )
{
$wgOut->errorpage( 'rcpatroldisabled', 'rcpatroldisabledtext' );
return;
}
if ( $wgUser->getID() == 0 )
{
$wgOut->loginToUse();
return;
}
if ( $wgOnlySysopsCanPatrol && !$wgUser->isAllowed('patrol') )
{
$wgOut->sysopRequired();
return;
}
$rcid = $wgRequest->getVal( 'rcid' );
if ( !is_null ( $rcid ) )
{
RecentChange::markPatrolled( $rcid );
$wgOut->setPagetitle( wfMsg( 'markedaspatrolled' ) );
$wgOut->addWikiText( wfMsg( 'markedaspatrolledtext' ) );
$rcTitle = Title::makeTitle( NS_SPECIAL, 'Recentchanges' );
$wgOut->returnToMain( false, $rcTitle->getPrefixedText() );
}
else
{
$wgOut->errorpage( 'markedaspatrollederror', 'markedaspatrollederrortext' );
}
}
/**
* Add this page to $wgUser's watchlist
*/
function watch() {
global $wgUser, $wgOut;
if ( 0 == $wgUser->getID() ) {
$wgOut->errorpage( 'watchnologin', 'watchnologintext' );
return;
}
if ( wfReadOnly() ) {
$wgOut->readOnlyPage();
return;
}
if (wfRunHooks('WatchArticle', $wgUser, $this)) {
$wgUser->addWatch( $this->mTitle );
$wgUser->saveSettings();
wfRunHooks('WatchArticleComplete', $wgUser, $this);
$wgOut->setPagetitle( wfMsg( 'addedwatch' ) );
$wgOut->setRobotpolicy( 'noindex,follow' );
$link = $this->mTitle->getPrefixedText();
$text = wfMsg( 'addedwatchtext', $link );
$wgOut->addWikiText( $text );
}
$wgOut->returnToMain( true, $this->mTitle->getPrefixedText() );
}
/**
* Stop watching a page
*/
function unwatch() {
global $wgUser, $wgOut;
if ( 0 == $wgUser->getID() ) {
$wgOut->errorpage( 'watchnologin', 'watchnologintext' );
return;
}
if ( wfReadOnly() ) {
$wgOut->readOnlyPage();
return;
}
if (wfRunHooks('UnwatchArticle', $wgUser, $this)) {
$wgUser->removeWatch( $this->mTitle );
$wgUser->saveSettings();
wfRunHooks('UnwatchArticleComplete', $wgUser, $this);
$wgOut->setPagetitle( wfMsg( 'removedwatch' ) );
$wgOut->setRobotpolicy( 'noindex,follow' );
$link = $this->mTitle->getPrefixedText();
$text = wfMsg( 'removedwatchtext', $link );
$wgOut->addWikiText( $text );
}
$wgOut->returnToMain( true, $this->mTitle->getPrefixedText() );
}
/**
* protect a page
*/
function protect( $limit = 'sysop' ) {
global $wgUser, $wgOut, $wgRequest;
if ( ! $wgUser->isAllowed('protect') ) {
$wgOut->sysopRequired();
return;
}
if ( wfReadOnly() ) {
$wgOut->readOnlyPage();
return;
}
$id = $this->mTitle->getArticleID();
if ( 0 == $id ) {
$wgOut->fatalError( wfMsg( 'badarticleerror' ) );
return;
}
$confirm = $wgRequest->getBool( 'wpConfirmProtect' ) && $wgRequest->wasPosted();
$moveonly = $wgRequest->getBool( 'wpMoveOnly' );
$reason = $wgRequest->getText( 'wpReasonProtect' );
if ( $confirm ) {
$dbw =& wfGetDB( DB_MASTER );
$dbw->update( 'page',
array( /* SET */
'page_touched' => $dbw->timestamp(),
'page_restrictions' => (string)$limit
), array( /* WHERE */
'page_id' => $id
), 'Article::protect'
);
$restrictions = "move=" . $limit;
if( !$moveonly ) {
$restrictions .= ":edit=" . $limit;
}
if (wfRunHooks('ArticleProtect', $this, $wgUser, $limit == 'sysop', $reason, $moveonly)) {
$dbw =& wfGetDB( DB_MASTER );
$dbw->update( 'page',
array( /* SET */
'page_touched' => $dbw->timestamp(),
'page_restrictions' => $restrictions
), array( /* WHERE */
'page_id' => $id
), 'Article::protect'
);
wfRunHooks('ArticleProtectComplete', $this, $wgUser, $limit == 'sysop', $reason, $moveonly);
$log = new LogPage( 'protect' );
if ( $limit === '' ) {
$log->addEntry( 'unprotect', $this->mTitle, $reason );
} else {
$log->addEntry( 'protect', $this->mTitle, $reason );
}
$wgOut->redirect( $this->mTitle->getFullURL() );
}
return;
} else {
$reason = htmlspecialchars( wfMsg( 'protectreason' ) );
return $this->confirmProtect( '', $reason, $limit );
}
}
/**
* Output protection confirmation dialog
*/
function confirmProtect( $par, $reason, $limit = 'sysop' ) {
global $wgOut;
wfDebug( "Article::confirmProtect\n" );
$sub = htmlspecialchars( $this->mTitle->getPrefixedText() );
$wgOut->setRobotpolicy( 'noindex,nofollow' );
$check = '';
$protcom = '';
$moveonly = '';
if ( $limit === '' ) {
$wgOut->setPageTitle( wfMsg( 'confirmunprotect' ) );
$wgOut->setSubtitle( wfMsg( 'unprotectsub', $sub ) );
$wgOut->addWikiText( wfMsg( 'confirmunprotecttext' ) );
$check = htmlspecialchars( wfMsg( 'confirmunprotect' ) );
$protcom = htmlspecialchars( wfMsg( 'unprotectcomment' ) );
$formaction = $this->mTitle->escapeLocalURL( 'action=unprotect' . $par );
} else {
$wgOut->setPageTitle( wfMsg( 'confirmprotect' ) );
$wgOut->setSubtitle( wfMsg( 'protectsub', $sub ) );
$wgOut->addWikiText( wfMsg( 'confirmprotecttext' ) );
$check = htmlspecialchars( wfMsg( 'confirmprotect' ) );
$moveonly = htmlspecialchars( wfMsg( 'protectmoveonly' ) );
$protcom = htmlspecialchars( wfMsg( 'protectcomment' ) );
$formaction = $this->mTitle->escapeLocalURL( 'action=protect' . $par );
}
$confirm = htmlspecialchars( wfMsg( 'confirm' ) );
$wgOut->addHTML( "
\n" );
$wgOut->returnToMain( false );
}
/**
* Unprotect the pages
*/
function unprotect() {
return $this->protect( '' );
}
/*
* UI entry point for page deletion
*/
function delete() {
global $wgUser, $wgOut, $wgMessageCache, $wgRequest;
$fname = 'Article::delete';
$confirm = $wgRequest->getBool( 'wpConfirm' ) && $wgRequest->wasPosted();
$reason = $wgRequest->getText( 'wpReason' );
# This code desperately needs to be totally rewritten
# Check permissions
if ( ( ! $wgUser->isAllowed('delete') ) ) {
$wgOut->sysopRequired();
return;
}
if ( wfReadOnly() ) {
$wgOut->readOnlyPage();
return;
}
# Better double-check that it hasn't been deleted yet!
$wgOut->setPagetitle( wfMsg( 'confirmdelete' ) );
if ( ( '' == trim( $this->mTitle->getText() ) )
or ( $this->mTitle->getArticleId() == 0 ) ) {
$wgOut->fatalError( wfMsg( 'cannotdelete' ) );
return;
}
if ( $confirm ) {
$this->doDelete( $reason );
return;
}
# determine whether this page has earlier revisions
# and insert a warning if it does
# we select the text because it might be useful below
$dbr =& $this->getDB();
$ns = $this->mTitle->getNamespace();
$title = $this->mTitle->getDBkey();
$old = $dbr->selectRow( 'old',
array( 'old_text', 'old_flags' ),
array(
'old_namespace' => $ns,
'old_title' => $title,
), $fname, $this->getSelectOptions( array( 'ORDER BY' => 'inverse_timestamp' ) )
);
if( $old !== false && !$confirm ) {
$skin=$wgUser->getSkin();
$wgOut->addHTML(''.wfMsg('historywarning'));
$wgOut->addHTML( $skin->historyLink() .'');
}
# Fetch cur_text
$s = $dbr->selectRow( 'cur',
array( 'cur_text' ),
array(
'cur_namespace' => $ns,
'cur_title' => $title,
), $fname, $this->getSelectOptions()
);
if( $s !== false ) {
# if this is a mini-text, we can paste part of it into the deletion reason
#if this is empty, an earlier revision may contain "useful" text
$blanked = false;
if($s->cur_text != '') {
$text=$s->cur_text;
} else {
if($old) {
$text = Revision::getRevisionText( $old );
$blanked = true;
}
}
$length=strlen($text);
# this should not happen, since it is not possible to store an empty, new
# page. Let's insert a standard text in case it does, though
if($length == 0 && $reason === '') {
$reason = wfMsg('exblank');
}
if($length < 500 && $reason === '') {
# comment field=255, let's grep the first 150 to have some user
# space left
$text=substr($text,0,150);
# let's strip out newlines and HTML tags
$text=preg_replace('/\"/',"'",$text);
$text=preg_replace('/\/','>',$text);
$text=preg_replace("/[\n\r]/",'',$text);
if(!$blanked) {
$reason=wfMsg('excontent'). " '".$text;
} else {
$reason=wfMsg('exbeforeblank') . " '".$text;
}
if($length>150) { $reason .= '...'; } # we've only pasted part of the text
$reason.="'";
}
}
return $this->confirmDelete( '', $reason );
}
/**
* Output deletion confirmation dialog
*/
function confirmDelete( $par, $reason ) {
global $wgOut;
wfDebug( "Article::confirmDelete\n" );
$sub = htmlspecialchars( $this->mTitle->getPrefixedText() );
$wgOut->setSubtitle( wfMsg( 'deletesub', $sub ) );
$wgOut->setRobotpolicy( 'noindex,nofollow' );
$wgOut->addWikiText( wfMsg( 'confirmdeletetext' ) );
$formaction = $this->mTitle->escapeLocalURL( 'action=delete' . $par );
$confirm = htmlspecialchars( wfMsg( 'confirm' ) );
$check = htmlspecialchars( wfMsg( 'confirmcheck' ) );
$delcom = htmlspecialchars( wfMsg( 'deletecomment' ) );
$wgOut->addHTML( "
\n" );
$wgOut->returnToMain( false );
}
/**
* Perform a deletion and output success or failure messages
*/
function doDelete( $reason ) {
global $wgOut, $wgUser, $wgContLang;
$fname = 'Article::doDelete';
wfDebug( $fname."\n" );
if (wfRunHooks('ArticleDelete', $this, $wgUser, $reason)) {
if ( $this->doDeleteArticle( $reason ) ) {
$deleted = $this->mTitle->getPrefixedText();
$wgOut->setPagetitle( wfMsg( 'actioncomplete' ) );
$wgOut->setRobotpolicy( 'noindex,nofollow' );
$sk = $wgUser->getSkin();
$loglink = $sk->makeKnownLink( $wgContLang->getNsText( NS_PROJECT ) .
':' . wfMsgForContent( 'dellogpage' ),
wfMsg( 'deletionlog' ) );
$text = wfMsg( 'deletedtext', $deleted, $loglink );
$wgOut->addHTML( '' . $text . "
\n" );
$wgOut->returnToMain( false );
wfRunHooks('ArticleDeleteComplete', $this, $wgUser, $reason);
} else {
$wgOut->fatalError( wfMsg( 'cannotdelete' ) );
}
}
}
/**
* Back-end article deletion
* Deletes the article with database consistency, writes logs, purges caches
* Returns success
*/
function doDeleteArticle( $reason ) {
global $wgUser;
global $wgUseSquid, $wgDeferredUpdateList, $wgInternalServer;
$fname = 'Article::doDeleteArticle';
wfDebug( $fname."\n" );
$dbw =& wfGetDB( DB_MASTER );
$ns = $this->mTitle->getNamespace();
$t = $this->mTitle->getDBkey();
$id = $this->mTitle->getArticleID();
if ( $t == '' || $id == 0 ) {
return false;
}
$u = new SiteStatsUpdate( 0, 1, -$this->isCountable( $this->getContent( true ) ) );
array_push( $wgDeferredUpdateList, $u );
$linksTo = $this->mTitle->getLinksTo();
# Squid purging
if ( $wgUseSquid ) {
$urls = array(
$this->mTitle->getInternalURL(),
$this->mTitle->getInternalURL( 'history' )
);
foreach ( $linksTo as $linkTo ) {
$urls[] = $linkTo->getInternalURL();
}
$u = new SquidUpdate( $urls );
array_push( $wgDeferredUpdateList, $u );
}
# Client and file cache invalidation
Title::touchArray( $linksTo );
# Move article and history to the "archive" table
$archiveTable = $dbw->tableName( 'archive' );
$oldTable = $dbw->tableName( 'old' );
$curTable = $dbw->tableName( 'cur' );
$recentchangesTable = $dbw->tableName( 'recentchanges' );
$linksTable = $dbw->tableName( 'links' );
$brokenlinksTable = $dbw->tableName( 'brokenlinks' );
$dbw->insertSelect( 'archive', 'cur',
array(
'ar_namespace' => 'cur_namespace',
'ar_title' => 'cur_title',
'ar_text' => 'cur_text',
'ar_comment' => 'cur_comment',
'ar_user' => 'cur_user',
'ar_user_text' => 'cur_user_text',
'ar_timestamp' => 'cur_timestamp',
'ar_minor_edit' => 'cur_minor_edit',
'ar_flags' => 0,
), array(
'cur_namespace' => $ns,
'cur_title' => $t,
), $fname
);
$dbw->insertSelect( 'archive', 'old',
array(
'ar_namespace' => 'old_namespace',
'ar_title' => 'old_title',
'ar_text' => 'old_text',
'ar_comment' => 'old_comment',
'ar_user' => 'old_user',
'ar_user_text' => 'old_user_text',
'ar_timestamp' => 'old_timestamp',
'ar_minor_edit' => 'old_minor_edit',
'ar_flags' => 'old_flags'
), array(
'old_namespace' => $ns,
'old_title' => $t,
), $fname
);
# Now that it's safely backed up, delete it
$dbw->delete( 'cur', array( 'cur_namespace' => $ns, 'cur_title' => $t ), $fname );
$dbw->delete( 'old', array( 'old_namespace' => $ns, 'old_title' => $t ), $fname );
$dbw->delete( 'recentchanges', array( 'rc_namespace' => $ns, 'rc_title' => $t ), $fname );
# Finally, clean up the link tables
$t = $this->mTitle->getPrefixedDBkey();
Article::onArticleDelete( $this->mTitle );
# Insert broken links
$brokenLinks = array();
foreach ( $linksTo as $titleObj ) {
# Get article ID. Efficient because it was loaded into the cache by getLinksTo().
$linkID = $titleObj->getArticleID();
$brokenLinks[] = array( 'bl_from' => $linkID, 'bl_to' => $t );
}
$dbw->insert( 'brokenlinks', $brokenLinks, $fname, 'IGNORE' );
# Delete live links
$dbw->delete( 'links', array( 'l_to' => $id ) );
$dbw->delete( 'links', array( 'l_from' => $id ) );
$dbw->delete( 'imagelinks', array( 'il_from' => $id ) );
$dbw->delete( 'brokenlinks', array( 'bl_from' => $id ) );
$dbw->delete( 'categorylinks', array( 'cl_from' => $id ) );
# Log the deletion
$log = new LogPage( 'delete' );
$log->addEntry( 'delete', $this->mTitle, $reason );
# Clear the cached article id so the interface doesn't act like we exist
$this->mTitle->resetArticleID( 0 );
$this->mTitle->mArticleID = 0;
return true;
}
/**
* Revert a modification
*/
function rollback() {
global $wgUser, $wgOut, $wgRequest;
$fname = 'Article::rollback';
if ( ! $wgUser->isAllowed('rollback') ) {
$wgOut->sysopRequired();
return;
}
if ( wfReadOnly() ) {
$wgOut->readOnlyPage( $this->getContent( true ) );
return;
}
$dbw =& wfGetDB( DB_MASTER );
# Enhanced rollback, marks edits rc_bot=1
$bot = $wgRequest->getBool( 'bot' );
# Replace all this user's current edits with the next one down
$tt = $this->mTitle->getDBKey();
$n = $this->mTitle->getNamespace();
# Get the last editor, lock table exclusively
$s = $dbw->selectRow( 'cur',
array( 'cur_id','cur_user','cur_user_text','cur_comment' ),
array( 'cur_title' => $tt, 'cur_namespace' => $n ),
$fname, 'FOR UPDATE'
);
if( $s === false ) {
# Something wrong
$wgOut->addHTML( wfMsg( 'notanarticle' ) );
return;
}
$ut = $dbw->strencode( $s->cur_user_text );
$uid = $s->cur_user;
$pid = $s->cur_id;
$from = str_replace( '_', ' ', $wgRequest->getVal( 'from' ) );
if( $from != $s->cur_user_text ) {
$wgOut->setPageTitle(wfmsg('rollbackfailed'));
$wgOut->addWikiText( wfMsg( 'alreadyrolled',
htmlspecialchars( $this->mTitle->getPrefixedText()),
htmlspecialchars( $from ),
htmlspecialchars( $s->cur_user_text ) ) );
if($s->cur_comment != '') {
$wgOut->addHTML(
wfMsg('editcomment',
htmlspecialchars( $s->cur_comment ) ) );
}
return;
}
# Get the last edit not by this guy
$s = $dbw->selectRow( 'old',
array( 'old_text','old_user','old_user_text','old_timestamp','old_flags' ),
array(
'old_namespace' => $n,
'old_title' => $tt,
"old_user <> {$uid} OR old_user_text <> '{$ut}'"
), $fname, array( 'FOR UPDATE', 'USE INDEX' => 'name_title_timestamp' )
);
if( $s === false ) {
# Something wrong
$wgOut->setPageTitle(wfMsg('rollbackfailed'));
$wgOut->addHTML( wfMsg( 'cantrollback' ) );
return;
}
if ( $bot ) {
# Mark all reverted edits as bot
$dbw->update( 'recentchanges',
array( /* SET */
'rc_bot' => 1
), array( /* WHERE */
'rc_user' => $uid,
"rc_timestamp > '{$s->old_timestamp}'",
), $fname
);
}
# Save it!
$newcomment = wfMsg( 'revertpage', $s->old_user_text, $from );
$wgOut->setPagetitle( wfMsg( 'actioncomplete' ) );
$wgOut->setRobotpolicy( 'noindex,nofollow' );
$wgOut->addHTML( '' . htmlspecialchars( $newcomment ) . "
\n
\n" );
$this->updateArticle( Revision::getRevisionText( $s ), $newcomment, 1, $this->mTitle->userIsWatching(), $bot );
Article::onArticleEdit( $this->mTitle );
$wgOut->returnToMain( false );
}
/**
* Do standard deferred updates after page view
* @private
*/
function viewUpdates() {
global $wgDeferredUpdateList;
if ( 0 != $this->getID() ) {
global $wgDisableCounters;
if( !$wgDisableCounters ) {
Article::incViewCount( $this->getID() );
$u = new SiteStatsUpdate( 1, 0, 0 );
array_push( $wgDeferredUpdateList, $u );
}
}
# Update newtalk status if user is reading their own
# talk page
global $wgUser;
if ($this->mTitle->getNamespace() == NS_USER_TALK &&
$this->mTitle->getText() == $wgUser->getName()) {
require_once( 'UserTalkUpdate.php' );
$u = new UserTalkUpdate( 0, $this->mTitle->getNamespace(), $this->mTitle->getDBkey(), false, false, false );
}
}
/**
* Do standard deferred updates after page edit.
* Every 1000th edit, prune the recent changes table.
* @private
* @param string $text
*/
function editUpdates( $text, $summary, $minoredit, $timestamp_of_pagechange) {
global $wgDeferredUpdateList, $wgDBname, $wgMemc;
global $wgMessageCache, $wgUser;
wfSeedRandom();
if ( 0 == mt_rand( 0, 999 ) ) {
# Periodically flush old entries from the recentchanges table.
global $wgRCMaxAge;
$dbw =& wfGetDB( DB_MASTER );
$cutoff = $dbw->timestamp( time() - $wgRCMaxAge );
$sql = "DELETE FROM recentchanges WHERE rc_timestamp < '{$cutoff}'";
$dbw->query( $sql );
}
$id = $this->getID();
$title = $this->mTitle->getPrefixedDBkey();
$shortTitle = $this->mTitle->getDBkey();
$adj = $this->mCountAdjustment;
if ( 0 != $id ) {
$u = new LinksUpdate( $id, $title );
array_push( $wgDeferredUpdateList, $u );
$u = new SiteStatsUpdate( 0, 1, $adj );
array_push( $wgDeferredUpdateList, $u );
$u = new SearchUpdate( $id, $title, $text );
array_push( $wgDeferredUpdateList, $u );
# If this is another user's talk page,
# create a watchlist entry for this page
if ($this->mTitle->getNamespace() == NS_USER_TALK &&
$shortTitle != $wgUser->getName()) {
require_once( 'UserTalkUpdate.php' );
$u = new UserTalkUpdate( 1, $this->mTitle->getNamespace(), $shortTitle, $summary, $minoredit, $timestamp_of_pagechange);
}
if ( $this->mTitle->getNamespace() == NS_MEDIAWIKI ) {
$wgMessageCache->replace( $shortTitle, $text );
}
}
}
/**
* @todo document this function
* @private
* @param string $oldid Revision ID of this article revision
*/
function setOldSubtitle( $oldid=0 ) {
global $wgLang, $wgOut, $wgUser;
$td = $wgLang->timeanddate( $this->mTimestamp, true );
$sk = $wgUser->getSkin();
$lnk = $sk->makeKnownLinkObj ( $this->mTitle, wfMsg( 'currentrevisionlink' ) );
$prevlink = $sk->makeKnownLinkObj( $this->mTitle, wfMsg( 'previousrevision' ), 'direction=prev&oldid='.$oldid );
$nextlink = $sk->makeKnownLinkObj( $this->mTitle, wfMsg( 'nextrevision' ), 'direction=next&oldid='.$oldid );
$r = wfMsg( 'revisionasofwithlink', $td, $lnk, $prevlink, $nextlink );
$wgOut->setSubtitle( $r );
}
/**
* This function is called right before saving the wikitext,
* so we can do things like signatures and links-in-context.
*
* @param string $text
*/
function preSaveTransform( $text ) {
global $wgParser, $wgUser;
return $wgParser->preSaveTransform( $text, $this->mTitle, $wgUser, ParserOptions::newFromUser( $wgUser ) );
}
/* Caching functions */
/**
* checkLastModified returns true if it has taken care of all
* output to the client that is necessary for this request.
* (that is, it has sent a cached version of the page)
*/
function tryFileCache() {
static $called = false;
if( $called ) {
wfDebug( " tryFileCache() -- called twice!?\n" );
return;
}
$called = true;
if($this->isFileCacheable()) {
$touched = $this->mTouched;
$cache = new CacheManager( $this->mTitle );
if($cache->isFileCacheGood( $touched )) {
global $wgOut;
wfDebug( " tryFileCache() - about to load\n" );
$cache->loadFromFileCache();
return true;
} else {
wfDebug( " tryFileCache() - starting buffer\n" );
ob_start( array(&$cache, 'saveToFileCache' ) );
}
} else {
wfDebug( " tryFileCache() - not cacheable\n" );
}
}
/**
* Check if the page can be cached
* @return bool
*/
function isFileCacheable() {
global $wgUser, $wgUseFileCache, $wgShowIPinHeader, $wgRequest;
extract( $wgRequest->getValues( 'action', 'oldid', 'diff', 'redirect', 'printable' ) );
return $wgUseFileCache
and (!$wgShowIPinHeader)
and ($this->getID() != 0)
and ($wgUser->getId() == 0)
and (!$wgUser->getNewtalk())
and ($this->mTitle->getNamespace() != NS_SPECIAL )
and (empty( $action ) || $action == 'view')
and (!isset($oldid))
and (!isset($diff))
and (!isset($redirect))
and (!isset($printable))
and (!$this->mRedirectedFrom);
}
/**
* Loads cur_touched and returns a value indicating if it should be used
*
*/
function checkTouched() {
$fname = 'Article::checkTouched';
$id = $this->getID();
$dbr =& $this->getDB();
$s = $dbr->selectRow( 'page', array( 'page_touched', 'page_is_redirect' ),
array( 'page_id' => $id ), $fname, $this->getSelectOptions() );
if( $s !== false ) {
$this->mTouched = wfTimestamp( TS_MW, $s->page_touched );
return !$s->page_is_redirect;
} else {
return false;
}
}
/**
* Edit an article without doing all that other stuff
*
* @param string $text text submitted
* @param string $comment comment submitted
* @param integer $minor whereas it's a minor modification
*/
function quickEdit( $text, $comment = '', $minor = 0 ) {
global $wgUser;
$fname = 'Article::quickEdit';
#wfDebugDieBacktrace( "$fname called." );
wfProfileIn( $fname );
$dbw =& wfGetDB( DB_MASTER );
$ns = $this->mTitle->getNamespace();
$dbkey = $this->mTitle->getDBkey();
$encDbKey = $dbw->strencode( $dbkey );
$timestamp = wfTimestampNow();
# insert new text
$dbw->insert( 'text', array(
'old_text' => $text,
'old_flags' => "" ), $fname );
$text_id = $dbw->insertID();
# update page
$dbw->update( 'page', array(
'page_is_new' => 0,
'page_touched' => $timestamp,
'page_is_redirect' => $this->isRedirect( $text ) ? 1 : 0,
'page_latest' => $text_id ),
array( 'page_namespace' => $ns, 'page_title' => $dbkey ), $fname );
# Retrieve page ID
$page_id = $dbw->selectField( 'page', 'page_id', array( 'page_namespace' => $ns, 'page_title' => $dbkey ), $fname );
# update revision
$dbw->insert( 'revision', array(
'rev_id' => $text_id,
'rev_page' => $page_id,
'rev_comment' => $comment,
'rev_user' => $wgUser->getID(),
'rev_user_text' => $wgUser->getName(),
'rev_timestamp' => $timestamp,
'inverse_timestamp' => wfInvertTimestamp( $timestamp ),
'rev_minor_edit' => intval($minor) ),
$fname );
/*
# Save to history
$dbw->insertSelect( 'old', 'cur',
array(
'old_namespace' => 'cur_namespace',
'old_title' => 'cur_title',
'old_text' => 'cur_text',
'old_comment' => 'cur_comment',
'old_user' => 'cur_user',
'old_user_text' => 'cur_user_text',
'old_timestamp' => 'cur_timestamp',
'inverse_timestamp' => '99999999999999-cur_timestamp',
), array(
'cur_namespace' => $ns,
'cur_title' => $dbkey,
), $fname
);
# Use the affected row count to determine if the article is new
$numRows = $dbw->affectedRows();
# Make an array of fields to be inserted
$fields = array(
'cur_text' => $text,
'cur_timestamp' => $timestamp,
'cur_user' => $wgUser->getID(),
'cur_user_text' => $wgUser->getName(),
'inverse_timestamp' => wfInvertTimestamp( $timestamp ),
'cur_comment' => $comment,
'cur_is_redirect' => $this->isRedirect( $text ) ? 1 : 0,
'cur_minor_edit' => intval($minor),
'cur_touched' => $dbw->timestamp($timestamp),
);
if ( $numRows ) {
# Update article
$fields['cur_is_new'] = 0;
$dbw->update( 'cur', $fields, array( 'cur_namespace' => $ns, 'cur_title' => $dbkey ), $fname );
} else {
# Insert new article
$fields['cur_is_new'] = 1;
$fields['cur_namespace'] = $ns;
$fields['cur_title'] = $dbkey;
$fields['cur_random'] = $rand = wfRandom();
$dbw->insert( 'cur', $fields, $fname );
}
*/
wfProfileOut( $fname );
}
/**
* Used to increment the view counter
*
* @static
* @param integer $id article id
*/
function incViewCount( $id ) {
$id = intval( $id );
global $wgHitcounterUpdateFreq;
$dbw =& wfGetDB( DB_MASTER );
$pageTable = $dbw->tableName( 'page' );
$hitcounterTable = $dbw->tableName( 'hitcounter' );
$acchitsTable = $dbw->tableName( 'acchits' );
if( $wgHitcounterUpdateFreq <= 1 ){ //
$dbw->query( "UPDATE $pageTable SET page_counter = page_counter + 1 WHERE page_id = $id" );
return;
}
# Not important enough to warrant an error page in case of failure
$oldignore = $dbw->ignoreErrors( true );
$dbw->query( "INSERT INTO $hitcounterTable (hc_id) VALUES ({$id})" );
$checkfreq = intval( $wgHitcounterUpdateFreq/25 + 1 );
if( (rand() % $checkfreq != 0) or ($dbw->lastErrno() != 0) ){
# Most of the time (or on SQL errors), skip row count check
$dbw->ignoreErrors( $oldignore );
return;
}
$res = $dbw->query("SELECT COUNT(*) as n FROM $hitcounterTable");
$row = $dbw->fetchObject( $res );
$rown = intval( $row->n );
if( $rown >= $wgHitcounterUpdateFreq ){
wfProfileIn( 'Article::incViewCount-collect' );
$old_user_abort = ignore_user_abort( true );
$dbw->query("LOCK TABLES $hitcounterTable WRITE");
$dbw->query("CREATE TEMPORARY TABLE $acchitsTable TYPE=HEAP ".
"SELECT hc_id,COUNT(*) AS hc_n FROM $hitcounterTable ".
'GROUP BY hc_id');
$dbw->query("DELETE FROM $hitcounterTable");
$dbw->query('UNLOCK TABLES');
$dbw->query("UPDATE $curTable,$acchitsTable SET cur_counter=cur_counter + hc_n ".
'WHERE cur_id = hc_id');
$dbw->query("DROP TABLE $acchitsTable");
ignore_user_abort( $old_user_abort );
wfProfileOut( 'Article::incViewCount-collect' );
}
$dbw->ignoreErrors( $oldignore );
}
/**#@+
* The onArticle*() functions are supposed to be a kind of hooks
* which should be called whenever any of the specified actions
* are done.
*
* This is a good place to put code to clear caches, for instance.
*
* This is called on page move and undelete, as well as edit
* @static
* @param $title_obj a title object
*/
function onArticleCreate($title_obj) {
global $wgUseSquid, $wgDeferredUpdateList;
$titles = $title_obj->getBrokenLinksTo();
# Purge squid
if ( $wgUseSquid ) {
$urls = $title_obj->getSquidURLs();
foreach ( $titles as $linkTitle ) {
$urls[] = $linkTitle->getInternalURL();
}
$u = new SquidUpdate( $urls );
array_push( $wgDeferredUpdateList, $u );
}
# Clear persistent link cache
LinkCache::linksccClearBrokenLinksTo( $title_obj->getPrefixedDBkey() );
}
function onArticleDelete($title_obj) {
LinkCache::linksccClearLinksTo( $title_obj->getArticleID() );
}
function onArticleEdit($title_obj) {
LinkCache::linksccClearPage( $title_obj->getArticleID() );
}
/**#@-*/
/**
* Info about this page
*/
function info() {
global $wgUser, $wgTitle, $wgOut, $wgAllowPageInfo;
$fname = 'Article::info';
if ( !$wgAllowPageInfo ) {
$wgOut->errorpage( 'nosuchaction', 'nosuchactiontext' );
return;
}
$dbr =& $this->getDB();
$basenamespace = $wgTitle->getNamespace() & (~1);
$cur_clause = array( 'cur_title' => $wgTitle->getDBkey(), 'cur_namespace' => $basenamespace );
$old_clause = array( 'old_title' => $wgTitle->getDBkey(), 'old_namespace' => $basenamespace );
$wl_clause = array( 'wl_title' => $wgTitle->getDBkey(), 'wl_namespace' => $basenamespace );
$fullTitle = $wgTitle->makeName($basenamespace, $wgTitle->getDBKey());
$wgOut->setPagetitle( $fullTitle );
$wgOut->setSubtitle( wfMsg( 'infosubtitle' ));
# first, see if the page exists at all.
$exists = $dbr->selectField( 'cur', 'COUNT(*)', $cur_clause, $fname, $this->getSelectOptions() );
if ($exists < 1) {
$wgOut->addHTML( wfMsg('noarticletext') );
} else {
$numwatchers = $dbr->selectField( 'watchlist', 'COUNT(*)', $wl_clause, $fname,
$this->getSelectOptions() );
$wgOut->addHTML( "- " . wfMsg("numwatchers", $numwatchers) . '
' );
$old = $dbr->selectField( 'old', 'COUNT(*)', $old_clause, $fname, $this->getSelectOptions() );
$wgOut->addHTML( "- " . wfMsg('numedits', $old + 1) . '
');
# to find number of distinct authors, we need to do some
# funny stuff because of the cur/old table split:
# - first, find the name of the 'cur' author
# - then, find the number of *other* authors in 'old'
# find 'cur' author
$cur_author = $dbr->selectField( 'cur', 'cur_user_text', $cur_clause, $fname,
$this->getSelectOptions() );
# find number of 'old' authors excluding 'cur' author
$authors = $dbr->selectField( 'old', 'COUNT(DISTINCT old_user_text)',
$old_clause + array( 'old_user_text<>' . $dbr->addQuotes( $cur_author ) ), $fname,
$this->getSelectOptions() ) + 1;
# now for the Talk page ...
$cur_clause = array( 'cur_title' => $wgTitle->getDBkey(), 'cur_namespace' => $basenamespace+1 );
$old_clause = array( 'old_title' => $wgTitle->getDBkey(), 'old_namespace' => $basenamespace+1 );
# does it exist?
$exists = $dbr->selectField( 'cur', 'COUNT(*)', $cur_clause, $fname, $this->getSelectOptions() );
# number of edits
if ($exists > 0) {
$old = $dbr->selectField( 'old', 'COUNT(*)', $old_clause, $fname, $this->getSelectOptions() );
$wgOut->addHTML( '- ' . wfMsg("numtalkedits", $old + 1) . '
');
}
$wgOut->addHTML( '- ' . wfMsg("numauthors", $authors) . '
' );
# number of authors
if ($exists > 0) {
$cur_author = $dbr->selectField( 'cur', 'cur_user_text', $cur_clause, $fname,
$this->getSelectOptions() );
$authors = $dbr->selectField( 'cur', 'COUNT(DISTINCT old_user_text)',
$old_clause + array( 'old_user_text<>' . $dbr->addQuotes( $cur_author ) ),
$fname, $this->getSelectOptions() );
$wgOut->addHTML( '- ' . wfMsg('numtalkauthors', $authors) . '
' );
}
}
}
}
/**
* Check whether an article is a stub
*
* @public
* @param integer $articleID ID of the article that is to be checked
*/
function wfArticleIsStub( $articleID ) {
global $wgUser;
$fname = 'wfArticleIsStub';
$threshold = $wgUser->getOption('stubthreshold') ;
if ( $threshold > 0 ) {
$dbr =& wfGetDB( DB_SLAVE );
$s = $dbr->selectRow( array('page', 'text'),
array( 'LENGTH(old_text) AS len', 'page_namespace', 'page_is_redirect' ),
array( 'page_id' => $articleID, "page.page_latest=text.old_id" ),
$fname ) ;
if ( $s == false OR $s->page_is_redirect OR $s->page_namespace != NS_MAIN ) {
return false;
}
$size = $s->len;
return ( $size < $threshold );
}
return false;
}
?>