public function execute()
{
$async = $this->getOption('async', false);
$dryrun = $this->getOption('dry-run', false);
if ($this->hasOption('title')) {
$title = Title::newFromText($this->getOption('title'));
if (!$title || !$title->isRedirect()) {
$this->error($title->getPrefixedText() . " is not a redirect!\n", true);
}
} else {
$title = null;
}
$dbr = wfGetDB(DB_SLAVE);
// See also SpecialDoubleRedirects
$tables = array('redirect', 'pa' => 'page', 'pb' => 'page');
$fields = array('pa.page_namespace AS pa_namespace', 'pa.page_title AS pa_title', 'pb.page_namespace AS pb_namespace', 'pb.page_title AS pb_title');
$conds = array('rd_from = pa.page_id', 'rd_namespace = pb.page_namespace', 'rd_title = pb.page_title', 'rd_interwiki IS NULL OR rd_interwiki = ' . $dbr->addQuotes(''), 'pb.page_is_redirect' => 1);
if ($title != null) {
$conds['pb.page_namespace'] = $title->getNamespace();
$conds['pb.page_title'] = $title->getDBkey();
}
// TODO: support batch querying
$res = $dbr->select($tables, $fields, $conds, __METHOD__);
if (!$res->numRows()) {
$this->output("No double redirects found.\n");
return;
}
$jobs = array();
$processedTitles = "\n";
$n = 0;
foreach ($res as $row) {
$titleA = Title::makeTitle($row->pa_namespace, $row->pa_title);
$titleB = Title::makeTitle($row->pb_namespace, $row->pb_title);
$processedTitles .= "* [[{$titleA}]]\n";
$job = new DoubleRedirectJob($titleA, array('reason' => 'maintenance', 'redirTitle' => $titleB->getPrefixedDBkey()));
if (!$async) {
$success = $dryrun ? true : $job->run();
if (!$success) {
$this->error("Error fixing " . $titleA->getPrefixedText() . ": " . $job->getLastError() . "\n");
}
} else {
$jobs[] = $job;
// @todo FIXME: Hardcoded constant 10000 copied from DoubleRedirectJob class
if (count($jobs) > 10000) {
$this->queueJobs($jobs, $dryrun);
$jobs = array();
}
}
if (++$n % 100 == 0) {
$this->output("{$n}...\n");
}
}
if (count($jobs)) {
$this->queueJobs($jobs, $dryrun);
}
$this->output("{$n} double redirects processed" . $processedTitles . "\n");
}
function doSubmit()
{
global $wgOut, $wgUser, $wgMaximumMovedPages, $wgLang;
global $wgFixDoubleRedirects;
if ($wgUser->pingLimiter('move')) {
$wgOut->rateLimited();
return;
}
$ot = $this->oldTitle;
$nt = $this->newTitle;
# Delete to make way if requested
if ($wgUser->isAllowed('delete') && $this->deleteAndMove) {
$article = new Article($nt);
# Disallow deletions of big articles
$bigHistory = $article->isBigDeletion();
if ($bigHistory && !$nt->userCan('bigdelete')) {
global $wgDeleteRevisionsLimit;
$this->showForm(array('delete-toobig', $wgLang->formatNum($wgDeleteRevisionsLimit)));
return;
}
// Delete an associated image if there is
$file = wfLocalFile($nt);
if ($file->exists()) {
$file->delete(wfMsgForContent('delete_and_move_reason'), false);
}
// This may output an error message and exit
$article->doDelete(wfMsgForContent('delete_and_move_reason'));
}
# don't allow moving to pages with # in
if (!$nt || $nt->getFragment() != '') {
$this->showForm('badtitletext');
return;
}
# Show a warning if the target file exists on a shared repo
if ($nt->getNamespace() == NS_FILE && !($this->moveOverShared && $wgUser->isAllowed('reupload-shared')) && !RepoGroup::singleton()->getLocalRepo()->findFile($nt) && wfFindFile($nt)) {
$this->showForm(array('file-exists-sharedrepo'));
return;
}
if ($wgUser->isAllowed('suppressredirect')) {
$createRedirect = $this->leaveRedirect;
} else {
$createRedirect = true;
}
# Do the actual move.
$error = $ot->moveTo($nt, true, $this->reason, $createRedirect);
if ($error !== true) {
# @todo FIXME: Show all the errors in a list, not just the first one
$this->showForm(reset($error));
return;
}
if ($wgFixDoubleRedirects && $this->fixRedirects) {
DoubleRedirectJob::fixRedirects('move', $ot, $nt);
}
wfRunHooks('SpecialMovepageAfterMove', array(&$this, &$ot, &$nt));
$wgOut->setPagetitle(wfMsg('pagemovedsub'));
$oldUrl = $ot->getFullUrl('redirect=no');
$newUrl = $nt->getFullUrl();
$oldText = $ot->getPrefixedText();
$newText = $nt->getPrefixedText();
$oldLink = "<span class='plainlinks'>[{$oldUrl} {$oldText}]</span>";
$newLink = "<span class='plainlinks'>[{$newUrl} {$newText}]</span>";
$msgName = $createRedirect ? 'movepage-moved-redirect' : 'movepage-moved-noredirect';
$wgOut->addWikiMsg('movepage-moved', $oldLink, $newLink, $oldText, $newText);
$wgOut->addWikiMsg($msgName);
# Now we move extra pages we've been asked to move: subpages and talk
# pages. First, if the old page or the new page is a talk page, we
# can't move any talk pages: cancel that.
if ($ot->isTalkPage() || $nt->isTalkPage()) {
$this->moveTalk = false;
}
if (!$ot->userCan('move-subpages')) {
$this->moveSubpages = false;
}
# Next make a list of id's. This might be marginally less efficient
# than a more direct method, but this is not a highly performance-cri-
# tical code path and readable code is more important here.
#
# Note: this query works nicely on MySQL 5, but the optimizer in MySQL
# 4 might get confused. If so, consider rewriting as a UNION.
#
# If the target namespace doesn't allow subpages, moving with subpages
# would mean that you couldn't move them back in one operation, which
# is bad.
# @todo FIXME: A specific error message should be given in this case.
// @todo FIXME: Use Title::moveSubpages() here
$dbr = wfGetDB(DB_MASTER);
if ($this->moveSubpages && (MWNamespace::hasSubpages($nt->getNamespace()) || $this->moveTalk && MWNamespace::hasSubpages($nt->getTalkPage()->getNamespace()))) {
$conds = array('page_title' . $dbr->buildLike($ot->getDBkey() . '/', $dbr->anyString()) . ' OR page_title = ' . $dbr->addQuotes($ot->getDBkey()));
$conds['page_namespace'] = array();
if (MWNamespace::hasSubpages($nt->getNamespace())) {
$conds['page_namespace'][] = $ot->getNamespace();
}
if ($this->moveTalk && MWNamespace::hasSubpages($nt->getTalkPage()->getNamespace())) {
$conds['page_namespace'][] = $ot->getTalkPage()->getNamespace();
}
} elseif ($this->moveTalk) {
$conds = array('page_namespace' => $ot->getTalkPage()->getNamespace(), 'page_title' => $ot->getDBkey());
} else {
# Skip the query
$conds = null;
}
$extraPages = array();
if (!is_null($conds)) {
$extraPages = TitleArray::newFromResult($dbr->select('page', array('page_id', 'page_namespace', 'page_title'), $conds, __METHOD__));
}
$extraOutput = array();
$skin = $this->getSkin();
$count = 1;
foreach ($extraPages as $oldSubpage) {
if ($ot->equals($oldSubpage)) {
# Already did this one.
continue;
}
$newPageName = preg_replace('#^' . preg_quote($ot->getDBkey(), '#') . '#', StringUtils::escapeRegexReplacement($nt->getDBkey()), $oldSubpage->getDBkey());
if ($oldSubpage->isTalkPage()) {
$newNs = $nt->getTalkPage()->getNamespace();
} else {
$newNs = $nt->getSubjectPage()->getNamespace();
}
# Bug 14385: we need makeTitleSafe because the new page names may
# be longer than 255 characters.
$newSubpage = Title::makeTitleSafe($newNs, $newPageName);
if (!$newSubpage) {
$oldLink = $skin->linkKnown($oldSubpage);
$extraOutput[] = wfMsgHtml('movepage-page-unmoved', $oldLink, htmlspecialchars(Title::makeName($newNs, $newPageName)));
continue;
}
# This was copy-pasted from Renameuser, bleh.
if ($newSubpage->exists() && !$oldSubpage->isValidMoveTarget($newSubpage)) {
$link = $skin->linkKnown($newSubpage);
$extraOutput[] = wfMsgHtml('movepage-page-exists', $link);
} else {
$success = $oldSubpage->moveTo($newSubpage, true, $this->reason, $createRedirect);
if ($success === true) {
if ($this->fixRedirects) {
DoubleRedirectJob::fixRedirects('move', $oldSubpage, $newSubpage);
}
$oldLink = $skin->linkKnown($oldSubpage, null, array(), array('redirect' => 'no'));
$newLink = $skin->linkKnown($newSubpage);
$extraOutput[] = wfMsgHtml('movepage-page-moved', $oldLink, $newLink);
++$count;
if ($count >= $wgMaximumMovedPages) {
$extraOutput[] = wfMsgExt('movepage-max-pages', array('parsemag', 'escape'), $wgLang->formatNum($wgMaximumMovedPages));
break;
}
} else {
$oldLink = $skin->linkKnown($oldSubpage);
$newLink = $skin->link($newSubpage);
$extraOutput[] = wfMsgHtml('movepage-page-unmoved', $oldLink, $newLink);
}
}
}
if ($extraOutput !== array()) {
$wgOut->addHTML("<ul>\n<li>" . implode("</li>\n<li>", $extraOutput) . "</li>\n</ul>");
}
# Deal with watches (we don't watch subpages)
if ($this->watch && $wgUser->isLoggedIn()) {
$wgUser->addWatch($ot);
$wgUser->addWatch($nt);
} else {
$wgUser->removeWatch($ot);
$wgUser->removeWatch($nt);
}
# Re-clear the file redirect cache, which may have been polluted by
# parsing in messages above. See CR r56745.
# @todo FIXME: Needs a more robust solution inside FileRepo.
if ($ot->getNamespace() == NS_FILE) {
RepoGroup::singleton()->getLocalRepo()->invalidateImageRedirect($ot);
}
}
function doSubmit()
{
$user = $this->getUser();
if ($user->pingLimiter('move')) {
throw new ThrottledError();
}
$ot = $this->oldTitle;
$nt = $this->newTitle;
# don't allow moving to pages with # in
if (!$nt || $nt->hasFragment()) {
$this->showForm(array(array('badtitletext')));
return;
}
# Show a warning if the target file exists on a shared repo
if ($nt->getNamespace() == NS_FILE && !($this->moveOverShared && $user->isAllowed('reupload-shared')) && !RepoGroup::singleton()->getLocalRepo()->findFile($nt) && wfFindFile($nt)) {
$this->showForm(array(array('file-exists-sharedrepo')));
return;
}
# Delete to make way if requested
if ($this->deleteAndMove) {
$permErrors = $nt->getUserPermissionsErrors('delete', $user);
if (count($permErrors)) {
# Only show the first error
$this->showForm($permErrors);
return;
}
$reason = $this->msg('delete_and_move_reason', $ot)->inContentLanguage()->text();
// Delete an associated image if there is
if ($nt->getNamespace() == NS_FILE) {
$file = wfLocalFile($nt);
$file->load(File::READ_LATEST);
if ($file->exists()) {
$file->delete($reason, false, $user);
}
}
$error = '';
// passed by ref
$page = WikiPage::factory($nt);
$deleteStatus = $page->doDeleteArticleReal($reason, false, 0, true, $error, $user);
if (!$deleteStatus->isGood()) {
$this->showForm($deleteStatus->getErrorsArray());
return;
}
}
$handler = ContentHandler::getForTitle($ot);
if (!$handler->supportsRedirects()) {
$createRedirect = false;
} elseif ($user->isAllowed('suppressredirect')) {
$createRedirect = $this->leaveRedirect;
} else {
$createRedirect = true;
}
# Do the actual move.
$mp = new MovePage($ot, $nt);
$valid = $mp->isValidMove();
if (!$valid->isOK()) {
$this->showForm($valid->getErrorsArray());
return;
}
$permStatus = $mp->checkPermissions($user, $this->reason);
if (!$permStatus->isOK()) {
$this->showForm($permStatus->getErrorsArray());
return;
}
$status = $mp->move($user, $this->reason, $createRedirect);
if (!$status->isOK()) {
$this->showForm($status->getErrorsArray());
return;
}
if ($this->getConfig()->get('FixDoubleRedirects') && $this->fixRedirects) {
DoubleRedirectJob::fixRedirects('move', $ot, $nt);
}
$out = $this->getOutput();
$out->setPageTitle($this->msg('pagemovedsub'));
$oldLink = Linker::link($ot, null, array('id' => 'movepage-oldlink'), array('redirect' => 'no'));
$newLink = Linker::linkKnown($nt, null, array('id' => 'movepage-newlink'));
$oldText = $ot->getPrefixedText();
$newText = $nt->getPrefixedText();
if ($ot->exists()) {
// NOTE: we assume that if the old title exists, it's because it was re-created as
// a redirect to the new title. This is not safe, but what we did before was
// even worse: we just determined whether a redirect should have been created,
// and reported that it was created if it should have, without any checks.
// Also note that isRedirect() is unreliable because of bug 37209.
$msgName = 'movepage-moved-redirect';
} else {
$msgName = 'movepage-moved-noredirect';
}
$out->addHTML($this->msg('movepage-moved')->rawParams($oldLink, $newLink)->params($oldText, $newText)->parseAsBlock());
$out->addWikiMsg($msgName);
Hooks::run('SpecialMovepageAfterMove', array(&$this, &$ot, &$nt));
# Now we move extra pages we've been asked to move: subpages and talk
# pages. First, if the old page or the new page is a talk page, we
# can't move any talk pages: cancel that.
if ($ot->isTalkPage() || $nt->isTalkPage()) {
$this->moveTalk = false;
}
if (count($ot->getUserPermissionsErrors('move-subpages', $user))) {
$this->moveSubpages = false;
}
# Next make a list of id's. This might be marginally less efficient
# than a more direct method, but this is not a highly performance-cri-
# tical code path and readable code is more important here.
#
# Note: this query works nicely on MySQL 5, but the optimizer in MySQL
# 4 might get confused. If so, consider rewriting as a UNION.
#
# If the target namespace doesn't allow subpages, moving with subpages
# would mean that you couldn't move them back in one operation, which
# is bad.
# @todo FIXME: A specific error message should be given in this case.
// @todo FIXME: Use Title::moveSubpages() here
$dbr = wfGetDB(DB_MASTER);
if ($this->moveSubpages && (MWNamespace::hasSubpages($nt->getNamespace()) || $this->moveTalk && MWNamespace::hasSubpages($nt->getTalkPage()->getNamespace()))) {
$conds = array('page_title' . $dbr->buildLike($ot->getDBkey() . '/', $dbr->anyString()) . ' OR page_title = ' . $dbr->addQuotes($ot->getDBkey()));
$conds['page_namespace'] = array();
if (MWNamespace::hasSubpages($nt->getNamespace())) {
$conds['page_namespace'][] = $ot->getNamespace();
}
if ($this->moveTalk && MWNamespace::hasSubpages($nt->getTalkPage()->getNamespace())) {
$conds['page_namespace'][] = $ot->getTalkPage()->getNamespace();
}
} elseif ($this->moveTalk) {
$conds = array('page_namespace' => $ot->getTalkPage()->getNamespace(), 'page_title' => $ot->getDBkey());
} else {
# Skip the query
$conds = null;
}
$extraPages = array();
if (!is_null($conds)) {
$extraPages = TitleArray::newFromResult($dbr->select('page', array('page_id', 'page_namespace', 'page_title'), $conds, __METHOD__));
}
$extraOutput = array();
$count = 1;
foreach ($extraPages as $oldSubpage) {
if ($ot->equals($oldSubpage) || $nt->equals($oldSubpage)) {
# Already did this one.
continue;
}
$newPageName = preg_replace('#^' . preg_quote($ot->getDBkey(), '#') . '#', StringUtils::escapeRegexReplacement($nt->getDBkey()), $oldSubpage->getDBkey());
if ($oldSubpage->isSubpage() && ($ot->isTalkPage() xor $nt->isTalkPage())) {
// Moving a subpage from a subject namespace to a talk namespace or vice-versa
$newNs = $nt->getNamespace();
} elseif ($oldSubpage->isTalkPage()) {
$newNs = $nt->getTalkPage()->getNamespace();
} else {
$newNs = $nt->getSubjectPage()->getNamespace();
}
# Bug 14385: we need makeTitleSafe because the new page names may
# be longer than 255 characters.
$newSubpage = Title::makeTitleSafe($newNs, $newPageName);
if (!$newSubpage) {
$oldLink = Linker::linkKnown($oldSubpage);
$extraOutput[] = $this->msg('movepage-page-unmoved')->rawParams($oldLink)->params(Title::makeName($newNs, $newPageName))->escaped();
continue;
}
# This was copy-pasted from Renameuser, bleh.
if ($newSubpage->exists() && !$oldSubpage->isValidMoveTarget($newSubpage)) {
$link = Linker::linkKnown($newSubpage);
$extraOutput[] = $this->msg('movepage-page-exists')->rawParams($link)->escaped();
} else {
$success = $oldSubpage->moveTo($newSubpage, true, $this->reason, $createRedirect);
if ($success === true) {
if ($this->fixRedirects) {
DoubleRedirectJob::fixRedirects('move', $oldSubpage, $newSubpage);
}
$oldLink = Linker::link($oldSubpage, null, array(), array('redirect' => 'no'));
$newLink = Linker::linkKnown($newSubpage);
$extraOutput[] = $this->msg('movepage-page-moved')->rawParams($oldLink, $newLink)->escaped();
++$count;
$maximumMovedPages = $this->getConfig()->get('MaximumMovedPages');
if ($count >= $maximumMovedPages) {
$extraOutput[] = $this->msg('movepage-max-pages')->numParams($maximumMovedPages)->escaped();
break;
}
} else {
$oldLink = Linker::linkKnown($oldSubpage);
$newLink = Linker::link($newSubpage);
$extraOutput[] = $this->msg('movepage-page-unmoved')->rawParams($oldLink, $newLink)->escaped();
}
}
}
if ($extraOutput !== array()) {
$out->addHTML("<ul>\n<li>" . implode("</li>\n<li>", $extraOutput) . "</li>\n</ul>");
}
# Deal with watches (we don't watch subpages)
WatchAction::doWatchOrUnwatch($this->watch, $ot, $user);
WatchAction::doWatchOrUnwatch($this->watch, $nt, $user);
}
/**
* Get a user object for doing edits, from a request-lifetime cache
* False will be returned if the user name specified in the
* 'double-redirect-fixer' message is invalid.
*
* @return User|bool
*/
function getUser()
{
if (!self::$user) {
$username = wfMessage('double-redirect-fixer')->inContentLanguage()->text();
self::$user = User::newFromName($username);
# User::newFromName() can return false on a badly configured wiki.
if (self::$user && !self::$user->isLoggedIn()) {
self::$user->addToDatabase();
}
}
return self::$user;
}
/**
* Get a user object for doing edits, from a request-lifetime cache
*/
function getUser()
{
if (!self::$user) {
self::$user = User::newFromName(wfMsgForContent('double-redirect-fixer'), false);
if (!self::$user->isLoggedIn()) {
self::$user->addToDatabase();
}
}
return self::$user;
}
/**
* Get a user object for doing edits, from a request-lifetime cache
* @return User
*/
function getUser()
{
if (!self::$user) {
self::$user = User::newFromName(wfMsgForContent('double-redirect-fixer'), false);
# FIXME: newFromName could return false on a badly configured wiki.
if (!self::$user->isLoggedIn()) {
self::$user->addToDatabase();
}
}
return self::$user;
}
