public function execute()
{
$action = InfoAction::newFromContext($this->getContext());
$action->doAction();
$this->setAction($action);
$this->content = $this->initContent();
}
function showPage()
{
if ($this->minimal) {
// Even more minimal -- we're in a machine API
// and don't want to flood the output.
$this->extraHeaders();
$this->showContent();
} else {
parent::showPage();
}
// We don't want to have any more output after this
exit;
}
/**
* Purge caches on page update etc
*
* @param $title Title object
* @todo Verify that $title is always a Title object (and never false or null), add Title hint to parameter $title
*/
public static function onArticleEdit( $title ) {
// Invalidate caches of articles which include this page
DeferredUpdates::addHTMLCacheUpdate( $title, 'templatelinks' );
// Invalidate the caches of all pages which redirect here
DeferredUpdates::addHTMLCacheUpdate( $title, 'redirect' );
// Purge squid for this page only
$title->purgeSquid();
// Clear file cache for this page only
HTMLFileCache::clearFileCache( $title );
InfoAction::invalidateCache( $title );
}
/**
* @param Title $title
* @return bool
*/
protected function runForTitle(Title $title)
{
// Wait for the DB of the current/next slave DB handle to catch up to the master.
// This way, we get the correct page_latest for templates or files that just changed
// milliseconds ago, having triggered this job to begin with.
if (isset($this->params['masterPos']) && $this->params['masterPos'] !== false) {
wfGetLB()->waitFor($this->params['masterPos']);
}
// Fetch the current page and revision...
$page = WikiPage::factory($title);
$revision = Revision::newFromTitle($title, false, Revision::READ_NORMAL);
if (!$revision) {
$this->setLastError("refreshLinks: Article not found {$title->getPrefixedDBkey()}");
return false;
// XXX: what if it was just deleted?
}
$content = $revision->getContent(Revision::RAW);
if (!$content) {
// If there is no content, pretend the content is empty
$content = $revision->getContentHandler()->makeEmptyContent();
}
$parserOutput = false;
$parserOptions = $page->makeParserOptions('canonical');
// If page_touched changed after this root job, then it is likely that
// any views of the pages already resulted in re-parses which are now in
// cache. The cache can be reused to avoid expensive parsing in some cases.
if (isset($this->params['rootJobTimestamp'])) {
$opportunistic = !empty($this->params['isOpportunistic']);
$skewedTimestamp = $this->params['rootJobTimestamp'];
if ($opportunistic) {
// Neither clock skew nor DB snapshot/slave lag matter much for such
// updates; focus on reusing the (often recently updated) cache
} else {
// For transclusion updates, the template changes must be reflected
$skewedTimestamp = wfTimestamp(TS_MW, wfTimestamp(TS_UNIX, $skewedTimestamp) + self::CLOCK_FUDGE);
}
if ($page->getLinksTimestamp() > $skewedTimestamp) {
// Something already updated the backlinks since this job was made
return true;
}
if ($page->getTouched() >= $skewedTimestamp || $opportunistic) {
// Something bumped page_touched since this job was made
// or the cache is otherwise suspected to be up-to-date
$parserOutput = ParserCache::singleton()->getDirty($page, $parserOptions);
if ($parserOutput && $parserOutput->getCacheTime() < $skewedTimestamp) {
$parserOutput = false;
// too stale
}
}
}
// Fetch the current revision and parse it if necessary...
if ($parserOutput == false) {
$start = microtime(true);
// Revision ID must be passed to the parser output to get revision variables correct
$parserOutput = $content->getParserOutput($title, $revision->getId(), $parserOptions, false);
$elapsed = microtime(true) - $start;
// If it took a long time to render, then save this back to the cache to avoid
// wasted CPU by other apaches or job runners. We don't want to always save to
// cache as this can cause high cache I/O and LRU churn when a template changes.
if ($elapsed >= self::PARSE_THRESHOLD_SEC && $page->shouldCheckParserCache($parserOptions, $revision->getId()) && $parserOutput->isCacheable()) {
$ctime = wfTimestamp(TS_MW, (int) $start);
// cache time
ParserCache::singleton()->save($parserOutput, $page, $parserOptions, $ctime, $revision->getId());
}
}
$updates = $content->getSecondaryDataUpdates($title, null, !empty($this->params['useRecursiveLinksUpdate']), $parserOutput);
foreach ($updates as $key => $update) {
if ($update instanceof LinksUpdate) {
if (!empty($this->params['triggeredRecursive'])) {
$update->setTriggeredRecursive();
}
if (!empty($this->params['triggeringUser'])) {
$userInfo = $this->params['triggeringUser'];
if ($userInfo['userId']) {
$user = User::newFromId($userInfo['userId']);
} else {
// Anonymous, use the username
$user = User::newFromName($userInfo['userName'], false);
}
$update->setTriggeringUser($user);
}
if (!empty($this->params['triggeringRevisionId'])) {
$revision = Revision::newFromId($this->params['triggeringRevisionId']);
if ($revision === null) {
$revision = Revision::newFromId($this->params['triggeringRevisionId'], Revision::READ_LATEST);
}
$update->setRevision($revision);
}
}
}
DataUpdate::runUpdates($updates);
InfoAction::invalidateCache($title);
return true;
}
/**
* Purge caches on page update etc
*
* @param Title $title
* @param Revision|null $revision Revision that was just saved, may be null
*/
public static function onArticleEdit(Title $title, Revision $revision = null)
{
// Invalidate caches of articles which include this page
DeferredUpdates::addUpdate(new HTMLCacheUpdate($title, 'templatelinks'));
// Invalidate the caches of all pages which redirect here
DeferredUpdates::addUpdate(new HTMLCacheUpdate($title, 'redirect'));
MediaWikiServices::getInstance()->getLinkCache()->invalidateTitle($title);
// Purge CDN for this page only
$title->purgeSquid();
// Clear file cache for this page only
HTMLFileCache::clearFileCache($title);
$revid = $revision ? $revision->getId() : null;
DeferredUpdates::addCallableUpdate(function () use($title, $revid) {
InfoAction::invalidateCache($title, $revid);
});
}
/**
* @param $title Title
* @param $revision Revision
* @param $fname string
* @return void
*/
public static function runForTitleInternal(Title $title, Revision $revision, $fname)
{
wfProfileIn($fname);
$content = $revision->getContent(Revision::RAW);
if (!$content) {
// if there is no content, pretend the content is empty
$content = $revision->getContentHandler()->makeEmptyContent();
}
// Revision ID must be passed to the parser output to get revision variables correct
$parserOutput = $content->getParserOutput($title, $revision->getId(), null, false);
$updates = $content->getSecondaryDataUpdates($title, null, false, $parserOutput);
DataUpdate::runUpdates($updates);
InfoAction::invalidateCache($title);
wfProfileOut($fname);
}
/**
* Be careful to never throw exceptions from here if we're already
* on the Error500Page. e.g. if content of FooPage is empty, this throws
* an exception but then index.php instantiates a new page (Error500Page),
* which does have content. So any exception thrown from here (either directly
* or indirectly from an Action class), should either be caught or made sure
* that it doesn't occurr for a Error500Page).
*/
public function output()
{
$this->execute();
if (!$this->getContent()) {
throw new SwarmException("Page `content` must not be empty.");
}
if (!$this->getTitle()) {
throw new SwarmException("Page `title` must not be empty.");
}
if (headers_sent($filename, $linenum)) {
throw new SwarmException("Headers already sent in `{$filename}` on line {$linenum}.");
}
header("Content-Type: text/html; charset=utf-8");
$request = $this->getContext()->getRequest();
// ProjectsAction could throw an exception, which needs to be caught here,
// since Error500Page (exception handler) also uses Page::output() eventually.
// @todo: Find a cleaner way to deal with exceptions in the final page out,
// because page output is also used on the Error500Page.
$projects = array();
if (!isset($this->exceptionObj)) {
try {
$projectsActionContext = $this->getContext()->createDerivedRequestContext(array("action" => "projects", "sort" => "name", "sort_oder" => "asc"));
$projectsAction = ProjectsAction::newFromContext($projectsActionContext);
$projectsAction->doAction();
$projects = $projectsAction->getData();
} catch (Exception $e) {
$pageObj = Error500Page::newFromContext($this->getContext());
$pageObj->setExceptionObj($e);
$pageObj->output();
exit;
}
}
?>
<!DOCTYPE html>
<html lang="en" dir="ltr">
<head>
<?php
foreach ($this->metaTags as $metaTag) {
echo "\t" . html_tag("meta", $metaTag) . "\n";
}
$subTitleSuffix = $this->getSubTitle() ? ": {$this->getSubTitle()}" : "";
$htmlTitle = $this->getTitle() . $subTitleSuffix . " - " . $this->getContext()->getConf()->web->title;
$displayTitleHtml = $this->getDisplayTitleHtml();
?>
<title><?php
echo htmlentities($htmlTitle);
?>
</title>
<link rel="stylesheet" href="<?php
echo swarmpath("css/bootstrap.min.css");
?>
">
<link rel="stylesheet" href="<?php
echo swarmpath("css/testswarm.css");
?>
">
<script src="<?php
echo swarmpath("js/jquery.js");
?>
"></script>
<script src="<?php
echo swarmpath("js/bootstrap-dropdown.js");
?>
"></script>
<script>window.SWARM = <?php
$infoAction = InfoAction::newFromContext($this->getContext());
$infoAction->doAction();
echo json_encode($infoAction->getData());
?>
;</script><?php
foreach ($this->styleSheets as $styleSheet) {
echo "\n\t" . html_tag("link", array("rel" => "stylesheet", "href" => $styleSheet));
}
foreach ($this->headScripts as $headScript) {
echo "\n\t" . html_tag("script", array("src" => $headScript));
}
?>
</head>
<body>
<div class="navbar navbar-fixed-top">
<div class="navbar-inner">
<div class="container">
<a class="brand" href="<?php
echo swarmpath("");
?>
"><?php
echo htmlspecialchars($this->getContext()->getConf()->web->title);
?>
</a>
<div class="nav-collapse">
<ul class="nav">
<li><a href="<?php
echo swarmpath("");
?>
">Home</a></li>
<li class="dropdown" id="swarm-projectsmenu">
<a href="<?php
echo swarmpath("projects");
?>
" class="dropdown-toggle" data-toggle="dropdown" data-target="#swarm-projectsmenu">
Projects
<b class="caret"></b>
</a>
<ul class="dropdown-menu">
<li><a href="<?php
echo swarmpath("projects");
?>
">All projects</a></li>
<li class="divider"></li>
<li class="nav-header">Projects</li>
<?php
foreach ($projects as $project) {
?>
<li><a href="<?php
echo htmlspecialchars(swarmpath("user/{$project["name"]}"));
?>
"><?php
echo htmlspecialchars($project["name"]);
?>
</a></li>
<?php
}
?>
</ul>
</li>
<li><a href="<?php
echo swarmpath("scores");
?>
">Scores</a></li>
<li><a href="<?php
echo swarmpath("about");
?>
">About</a></li>
</ul>
<ul class="nav pull-right">
<?php
if ($request->getSessionData("username") && $request->getSessionData("auth") == "yes") {
$username = htmlspecialchars($request->getSessionData("username"));
?>
<li><a href="<?php
echo swarmpath("user/{$username}");
?>
">Hello, <?php
echo $username;
?>
!</a></li>
<li><a href="<?php
echo swarmpath("run/{$username}");
?>
">Join the Swarm</a></li>
<li><a href="<?php
echo swarmpath("logout");
?>
">Logout</a></li>
<?php
} else {
?>
<li><a href="<?php
echo swarmpath("login");
?>
">Login</a></li>
<li><a href="<?php
echo swarmpath("signup");
?>
">Signup</a></li>
<?php
}
?>
</ul>
</div><!--/.nav-collapse -->
</div>
</div>
</div>
<div class="container">
<div class="hero-unit">
<h1><?php
echo $displayTitleHtml;
?>
</h1>
</div>
<?php
echo $this->getContent();
?>
<hr>
<footer class="swarm-page-footer">
<p>Powered by <a href="//github.com/jquery/testswarm">TestSwarm</a>:
<a href="//github.com/jquery/testswarm">Source Code</a>
| <a href="//github.com/jquery/testswarm/issues">Issue Tracker</a>
| <a href="//github.com/jquery/testswarm/wiki">About</a>
| <a href="//twitter.com/testswarm">Twitter</a>
</p>
</footer>
</div>
<script src="<?php
echo swarmpath("js/pretty.js");
?>
"></script>
<script src="<?php
echo swarmpath("js/testswarm.js");
?>
"></script><?php
foreach ($this->bodyScripts as $bodyScript) {
echo "\n\t" . html_tag("script", array("src" => $bodyScript));
}
if ($this->getContext()->getConf()->debug->dbLogQueries) {
$queryLog = $this->getContext()->getDB()->getQueryLog();
$queryLogHtml = '<hr><h3>Database query log</h3><div class="well"><ul class="unstyled">';
foreach ($queryLog as $i => $queryInfo) {
if ($i !== 0) {
$queryLogHtml .= '<hr>';
}
$queryLogHtml .= '<li>' . '<pre>' . htmlspecialchars($queryInfo["sql"]) . '</pre>' . '<table class="table table-bordered table-condensed"><tbody><tr>' . '<td>Caller: <code>' . htmlspecialchars($queryInfo["caller"]) . '</code></td>' . '<td>Num rows: <code>' . htmlspecialchars($queryInfo["numRows"]) . '</code></td>' . '<td>Insert ID: <code>' . htmlspecialchars($queryInfo["insertId"]) . '</code></td>' . '<td>Affected rows: <code>' . htmlspecialchars($queryInfo["affectedRows"]) . '</code></td>' . '<td>Query time: <code>' . htmlspecialchars(substr($queryInfo["queryTime"], 0, 8)) . '</code></td>' . '</tr></table>' . '</li>';
}
$queryLogHtml .= '</ul>';
echo $queryLogHtml;
}
?>
</body>
</html>
<?php
// End of Page::output
}
/**
* @param Title $title
* @return bool
*/
protected function runForTitle(Title $title = null)
{
$linkCache = LinkCache::singleton();
$linkCache->clear();
if (is_null($title)) {
$this->setLastError("refreshLinks: Invalid title");
return false;
}
// Wait for the DB of the current/next slave DB handle to catch up to the master.
// This way, we get the correct page_latest for templates or files that just changed
// milliseconds ago, having triggered this job to begin with.
if (isset($this->params['masterPos']) && $this->params['masterPos'] !== false) {
wfGetLB()->waitFor($this->params['masterPos']);
}
$page = WikiPage::factory($title);
// Fetch the current revision...
$revision = Revision::newFromTitle($title, false, Revision::READ_NORMAL);
if (!$revision) {
$this->setLastError("refreshLinks: Article not found {$title->getPrefixedDBkey()}");
return false;
// XXX: what if it was just deleted?
}
$content = $revision->getContent(Revision::RAW);
if (!$content) {
// If there is no content, pretend the content is empty
$content = $revision->getContentHandler()->makeEmptyContent();
}
$parserOutput = false;
$parserOptions = $page->makeParserOptions('canonical');
// If page_touched changed after this root job (with a good slave lag skew factor),
// then it is likely that any views of the pages already resulted in re-parses which
// are now in cache. This can be reused to avoid expensive parsing in some cases.
if (isset($this->params['rootJobTimestamp'])) {
$skewedTimestamp = wfTimestamp(TS_UNIX, $this->params['rootJobTimestamp']) + 5;
if ($page->getLinksTimestamp() > wfTimestamp(TS_MW, $skewedTimestamp)) {
// Something already updated the backlinks since this job was made
return true;
}
if ($page->getTouched() > wfTimestamp(TS_MW, $skewedTimestamp)) {
$parserOutput = ParserCache::singleton()->getDirty($page, $parserOptions);
if ($parserOutput && $parserOutput->getCacheTime() <= $skewedTimestamp) {
$parserOutput = false;
// too stale
}
}
}
// Fetch the current revision and parse it if necessary...
if ($parserOutput == false) {
$start = microtime(true);
// Revision ID must be passed to the parser output to get revision variables correct
$parserOutput = $content->getParserOutput($title, $revision->getId(), $parserOptions, false);
$ellapsed = microtime(true) - $start;
// If it took a long time to render, then save this back to the cache to avoid
// wasted CPU by other apaches or job runners. We don't want to always save to
// cache as this can cause high cache I/O and LRU churn when a template changes.
if ($ellapsed >= self::PARSE_THRESHOLD_SEC && $page->isParserCacheUsed($parserOptions, $revision->getId()) && $parserOutput->isCacheable()) {
$ctime = wfTimestamp(TS_MW, (int) $start);
// cache time
ParserCache::singleton()->save($parserOutput, $page, $parserOptions, $ctime, $revision->getId());
}
}
$updates = $content->getSecondaryDataUpdates($title, null, false, $parserOutput);
DataUpdate::runUpdates($updates);
InfoAction::invalidateCache($title);
return true;
}
function showFooter()
{
if ($this->desktopMode == false) {
parent::showFooter();
}
}
/**
* Be careful to never throw exceptions from here if we're already
* on the Error500Page. e.g. if content of FooPage is empty, this throws
* an exception but then index.php instantiates a new page (Error500Page),
* which does have content. So any exception thrown from here (either directly
* or indirectly from an Action class), should either be caught or made sure
* that it doesn't occurr for a Error500Page).
*/
public function output()
{
$this->execute();
if (!$this->getContent()) {
throw new SwarmException('Page `content` must not be empty.');
}
if (!$this->getTitle()) {
throw new SwarmException('Page `title` must not be empty.');
}
if (headers_sent($filename, $linenum)) {
throw new SwarmException("Headers already sent in `{$filename}` on line {$linenum}.");
}
header('Content-Type: text/html; charset=UTF-8');
$frameOptions = $this->getFrameOptions();
if ($frameOptions) {
header('X-Frame-Options: ' . $frameOptions, true);
}
$context = $this->getContext();
$request = $context->getRequest();
$auth = $context->getAuth();
// ProjectsAction could throw an exception, which needs to be caught here,
// since Error500Page (exception handler) also uses Page::output() eventually.
// @todo: Find a cleaner way to deal with exceptions in the final page out,
// because page output is also used on the Error500Page.
$projects = array();
if (!isset($this->exceptionObj)) {
try {
$projectsAction = ProjectsAction::newFromContext($context);
$projectsAction->doAction();
$projects = $projectsAction->getData();
} catch (Exception $e) {
$pageObj = Error500Page::newFromContext($context);
$pageObj->setExceptionObj($e);
$pageObj->output();
exit;
}
}
?>
<!DOCTYPE html>
<html lang="en" dir="ltr" class="no-js">
<head>
<?php
foreach ($this->metaTags as $metaTag) {
echo "\t" . html_tag('meta', $metaTag) . "\n";
}
$subTitleSuffix = $this->getSubTitle() ? ": {$this->getSubTitle()}" : "";
$htmlTitle = $this->getTitle() . $subTitleSuffix . ' - ' . $context->getConf()->web->title;
$displayTitleHtml = $this->getDisplayTitleHtml();
?>
<title><?php
echo htmlentities($htmlTitle);
?>
</title>
<link rel="stylesheet" href="<?php
echo swarmpath('external/bootstrap/css/bootstrap.css');
?>
">
<link rel="stylesheet" href="<?php
echo swarmpath('external/bootstrap/css/bootstrap-responsive.css');
?>
">
<link rel="stylesheet" href="<?php
echo swarmpath('css/testswarm.css');
?>
">
<script>
(function (h) { h.className = h.className.replace(/\bno-js\b/,'js')})(document.documentElement);
SWARM = <?php
$infoAction = InfoAction::newFromContext($context);
$infoAction->doAction();
echo json_encode2($infoAction->getData());
?>
;
SWARM.auth = <?php
echo json_encode2($auth);
?>
;
</script>
<?php
foreach ($this->styleSheets as $styleSheet) {
echo "\t" . html_tag('link', array('rel' => 'stylesheet', 'href' => $styleSheet)) . "\n";
}
foreach ($this->headScripts as $headScript) {
echo "\t" . html_tag('script', array('src' => $headScript)) . "\n";
}
?>
</head>
<body>
<div class="navbar navbar-fixed-top">
<div class="navbar-inner">
<div class="container">
<a class="brand" href="<?php
echo swarmpath('');
?>
"><?php
echo htmlspecialchars($context->getConf()->web->title);
?>
</a>
<ul class="nav">
<?php
echo $this->getPageLink('home', 'Home');
?>
<li class="dropdown<?php
if (strpos($this->getSelfPath(), 'projects') === 0) {
echo ' active';
}
?>
">
<a href="<?php
echo swarmpath('projects');
?>
" class="dropdown-toggle" data-toggle="dropdown">
Projects
<b class="caret"></b>
</a>
<ul class="dropdown-menu">
<?php
echo $this->getPageLink('projects', 'All projects');
?>
<li class="divider"></li>
<li class="nav-header">Projects</li>
<?php
foreach ($projects as $project) {
echo $this->getPageLink("project/{$project['id']}", $project['displayTitle']);
}
?>
</ul>
</li>
<?php
echo $this->getPageLink('clients', 'Clients');
?>
<?php
echo $this->getPageLink('info', 'Info');
?>
</ul>
<ul class="nav pull-right">
<?php
if ($auth) {
?>
<li><a href="<?php
echo htmlspecialchars(swarmpath("project/{$auth->project->id}"));
?>
"><?php
echo htmlspecialchars($auth->project->display_title);
?>
</a></li>
<li><a href="<?php
echo swarmpath("addjob");
?>
">Add job</a></li>
<li><a href="<?php
echo swarmpath('logout');
?>
" class="swarm-logout-link">Logout</a></li>
<?php
} else {
echo $this->getPageLink('login', 'Login');
}
?>
</ul>
</div>
</div>
</div>
<div class="container">
<div class="hero-unit">
<h1><?php
echo $displayTitleHtml;
?>
</h1>
</div>
<?php
echo $this->getContent();
?>
<hr>
<footer class="swarm-page-footer">
<p>Powered by <a href="https://github.com/jquery/testswarm">TestSwarm</a>:
<a href="https://github.com/jquery/testswarm">Source Code</a>
| <a href="https://github.com/jquery/testswarm/issues">Issue Tracker</a>
| <a href="https://github.com/jquery/testswarm/wiki">About</a>
| <a href="https://twitter.com/testswarm">Twitter</a>
</p>
</footer>
</div>
<script src="<?php
echo swarmpath('external/jquery/jquery.js');
?>
"></script>
<script src="<?php
echo swarmpath('external/bootstrap/js/bootstrap-dropdown.js');
?>
"></script>
<script src="<?php
echo swarmpath('js/pretty.js');
?>
"></script>
<script src="<?php
echo swarmpath('js/testswarm.js');
?>
"></script><?php
foreach ($this->bodyScripts as $bodyScript) {
echo "\n\t" . html_tag('script', array('src' => $bodyScript));
}
if ($context->getConf()->debug->dbLogQueries) {
$queryLog = $context->getDB()->getQueryLog();
$queryLogHtml = '<hr><h3>Database query log</h3><div class="well"><ul class="unstyled">';
foreach ($queryLog as $i => $queryInfo) {
if ($i !== 0) {
$queryLogHtml .= '<hr>';
}
$queryLogHtml .= '<li>' . '<pre>' . htmlspecialchars($queryInfo["sql"]) . '</pre>' . '<table class="table table-bordered table-condensed"><tbody><tr>' . '<td>Caller: <code>' . htmlspecialchars($queryInfo['caller']) . '</code></td>' . '<td>Num rows: <code>' . htmlspecialchars($queryInfo['numRows']) . '</code></td>' . '<td>Insert ID: <code>' . htmlspecialchars($queryInfo['insertId']) . '</code></td>' . '<td>Affected rows: <code>' . htmlspecialchars($queryInfo['affectedRows']) . '</code></td>' . '<td>Query time: <code>' . htmlspecialchars(substr($queryInfo['queryTime'], 0, 8)) . '</code></td>' . '</tr></table>' . '</li>';
}
$queryLogHtml .= '</ul>';
echo $queryLogHtml;
}
?>
</body>
</html>
<?php
// End of Page::output
}
function showAuthorized()
{
$title = null;
$msg = null;
if ($this->app->name == 'anonymous') {
$title = _('You have successfully authorized the application');
$msg = _('Please return to the application and enter the following security code to complete the process.');
} else {
$title = sprintf(_('You have successfully authorized %s'), $this->app->name);
$msg = sprintf(_('Please return to %s and enter the following security code to complete the process.'), $this->app->name);
}
if ($this->reqToken->verified_callback == 'oob') {
$pin = new ApiOauthPinAction($title, $msg, $this->reqToken->verifier, $this->desktopMode());
$pin->showPage();
} else {
// NOTE: This would only happen if an application registered as
// a web application but sent in 'oob' for the oauth_callback
// parameter. Usually web apps will send in a callback and
// not use the pin-based workflow.
$info = new InfoAction($title, $msg, $this->oauthTokenParam, $this->reqToken->verifier);
$info->showPage();
}
}
/**
* @param Title $title
* @return bool
*/
protected function runForTitle(Title $title)
{
$page = WikiPage::factory($title);
if (!empty($this->params['triggeringRevisionId'])) {
// Fetch the specified revision; lockAndGetLatest() below detects if the page
// was edited since and aborts in order to avoid corrupting the link tables
$revision = Revision::newFromId($this->params['triggeringRevisionId'], Revision::READ_LATEST);
} else {
// Fetch current revision; READ_LATEST reduces lockAndGetLatest() check failures
$revision = Revision::newFromTitle($title, false, Revision::READ_LATEST);
}
if (!$revision) {
$this->setLastError("Revision not found for {$title->getPrefixedDBkey()}");
return false;
// just deleted?
}
$content = $revision->getContent(Revision::RAW);
if (!$content) {
// If there is no content, pretend the content is empty
$content = $revision->getContentHandler()->makeEmptyContent();
}
$parserOutput = false;
$parserOptions = $page->makeParserOptions('canonical');
// If page_touched changed after this root job, then it is likely that
// any views of the pages already resulted in re-parses which are now in
// cache. The cache can be reused to avoid expensive parsing in some cases.
if (isset($this->params['rootJobTimestamp'])) {
$opportunistic = !empty($this->params['isOpportunistic']);
$skewedTimestamp = $this->params['rootJobTimestamp'];
if ($opportunistic) {
// Neither clock skew nor DB snapshot/slave lag matter much for such
// updates; focus on reusing the (often recently updated) cache
} else {
// For transclusion updates, the template changes must be reflected
$skewedTimestamp = wfTimestamp(TS_MW, wfTimestamp(TS_UNIX, $skewedTimestamp) + self::CLOCK_FUDGE);
}
if ($page->getLinksTimestamp() > $skewedTimestamp) {
// Something already updated the backlinks since this job was made
return true;
}
if ($page->getTouched() >= $skewedTimestamp || $opportunistic) {
// Something bumped page_touched since this job was made
// or the cache is otherwise suspected to be up-to-date
$parserOutput = ParserCache::singleton()->getDirty($page, $parserOptions);
if ($parserOutput && $parserOutput->getCacheTime() < $skewedTimestamp) {
$parserOutput = false;
// too stale
}
}
}
// Fetch the current revision and parse it if necessary...
if ($parserOutput == false) {
$start = microtime(true);
// Revision ID must be passed to the parser output to get revision variables correct
$parserOutput = $content->getParserOutput($title, $revision->getId(), $parserOptions, false);
$elapsed = microtime(true) - $start;
// If it took a long time to render, then save this back to the cache to avoid
// wasted CPU by other apaches or job runners. We don't want to always save to
// cache as this can cause high cache I/O and LRU churn when a template changes.
if ($elapsed >= self::PARSE_THRESHOLD_SEC && $page->shouldCheckParserCache($parserOptions, $revision->getId()) && $parserOutput->isCacheable()) {
$ctime = wfTimestamp(TS_MW, (int) $start);
// cache time
ParserCache::singleton()->save($parserOutput, $page, $parserOptions, $ctime, $revision->getId());
}
}
$updates = $content->getSecondaryDataUpdates($title, null, !empty($this->params['useRecursiveLinksUpdate']), $parserOutput);
foreach ($updates as $key => $update) {
// FIXME: This code probably shouldn't be here?
// Needed by things like Echo notifications which need
// to know which user caused the links update
if ($update instanceof LinksUpdate) {
if (!empty($this->params['triggeringUser'])) {
$userInfo = $this->params['triggeringUser'];
if ($userInfo['userId']) {
$user = User::newFromId($userInfo['userId']);
} else {
// Anonymous, use the username
$user = User::newFromName($userInfo['userName'], false);
}
$update->setTriggeringUser($user);
}
}
}
$latestNow = $page->lockAndGetLatest();
if (!$latestNow || $revision->getId() != $latestNow) {
// Do not clobber over newer updates with older ones. If all jobs where FIFO and
// serialized, it would be OK to update links based on older revisions since it
// would eventually get to the latest. Since that is not the case (by design),
// only update the link tables to a state matching the current revision's output.
$this->setLastError("page_latest changed from {$revision->getId()} to {$latestNow}");
return false;
}
DataUpdate::runUpdates($updates);
InfoAction::invalidateCache($title);
return true;
}
/**
* @param Title $title
* @return bool
*/
protected function runForTitle(Title $title)
{
$services = MediaWikiServices::getInstance();
$stats = $services->getStatsdDataFactory();
$lbFactory = $services->getDBLoadBalancerFactory();
$ticket = $lbFactory->getEmptyTransactionTicket(__METHOD__);
$page = WikiPage::factory($title);
$page->loadPageData(WikiPage::READ_LATEST);
// Serialize links updates by page ID so they see each others' changes
$dbw = $lbFactory->getMainLB()->getConnection(DB_MASTER);
/** @noinspection PhpUnusedLocalVariableInspection */
$scopedLock = LinksUpdate::acquirePageLock($dbw, $page->getId(), 'job');
// Get the latest ID *after* acquirePageLock() flushed the transaction.
// This is used to detect edits/moves after loadPageData() but before the scope lock.
// The works around the chicken/egg problem of determining the scope lock key.
$latest = $title->getLatestRevID(Title::GAID_FOR_UPDATE);
if (!empty($this->params['triggeringRevisionId'])) {
// Fetch the specified revision; lockAndGetLatest() below detects if the page
// was edited since and aborts in order to avoid corrupting the link tables
$revision = Revision::newFromId($this->params['triggeringRevisionId'], Revision::READ_LATEST);
} else {
// Fetch current revision; READ_LATEST reduces lockAndGetLatest() check failures
$revision = Revision::newFromTitle($title, false, Revision::READ_LATEST);
}
if (!$revision) {
$stats->increment('refreshlinks.rev_not_found');
$this->setLastError("Revision not found for {$title->getPrefixedDBkey()}");
return false;
// just deleted?
} elseif ($revision->getId() != $latest || $revision->getPage() !== $page->getId()) {
// Do not clobber over newer updates with older ones. If all jobs where FIFO and
// serialized, it would be OK to update links based on older revisions since it
// would eventually get to the latest. Since that is not the case (by design),
// only update the link tables to a state matching the current revision's output.
$stats->increment('refreshlinks.rev_not_current');
$this->setLastError("Revision {$revision->getId()} is not current");
return false;
}
$content = $revision->getContent(Revision::RAW);
if (!$content) {
// If there is no content, pretend the content is empty
$content = $revision->getContentHandler()->makeEmptyContent();
}
$parserOutput = false;
$parserOptions = $page->makeParserOptions('canonical');
// If page_touched changed after this root job, then it is likely that
// any views of the pages already resulted in re-parses which are now in
// cache. The cache can be reused to avoid expensive parsing in some cases.
if (isset($this->params['rootJobTimestamp'])) {
$opportunistic = !empty($this->params['isOpportunistic']);
$skewedTimestamp = $this->params['rootJobTimestamp'];
if ($opportunistic) {
// Neither clock skew nor DB snapshot/replica DB lag matter much for such
// updates; focus on reusing the (often recently updated) cache
} else {
// For transclusion updates, the template changes must be reflected
$skewedTimestamp = wfTimestamp(TS_MW, wfTimestamp(TS_UNIX, $skewedTimestamp) + self::CLOCK_FUDGE);
}
if ($page->getLinksTimestamp() > $skewedTimestamp) {
// Something already updated the backlinks since this job was made
$stats->increment('refreshlinks.update_skipped');
return true;
}
if ($page->getTouched() >= $this->params['rootJobTimestamp'] || $opportunistic) {
// Cache is suspected to be up-to-date. As long as the cache rev ID matches
// and it reflects the job's triggering change, then it is usable.
$parserOutput = ParserCache::singleton()->getDirty($page, $parserOptions);
if (!$parserOutput || $parserOutput->getCacheRevisionId() != $revision->getId() || $parserOutput->getCacheTime() < $skewedTimestamp) {
$parserOutput = false;
// too stale
}
}
}
// Fetch the current revision and parse it if necessary...
if ($parserOutput) {
$stats->increment('refreshlinks.parser_cached');
} else {
$start = microtime(true);
// Revision ID must be passed to the parser output to get revision variables correct
$parserOutput = $content->getParserOutput($title, $revision->getId(), $parserOptions, false);
$elapsed = microtime(true) - $start;
// If it took a long time to render, then save this back to the cache to avoid
// wasted CPU by other apaches or job runners. We don't want to always save to
// cache as this can cause high cache I/O and LRU churn when a template changes.
if ($elapsed >= self::PARSE_THRESHOLD_SEC && $page->shouldCheckParserCache($parserOptions, $revision->getId()) && $parserOutput->isCacheable()) {
$ctime = wfTimestamp(TS_MW, (int) $start);
// cache time
ParserCache::singleton()->save($parserOutput, $page, $parserOptions, $ctime, $revision->getId());
}
$stats->increment('refreshlinks.parser_uncached');
}
$updates = $content->getSecondaryDataUpdates($title, null, !empty($this->params['useRecursiveLinksUpdate']), $parserOutput);
foreach ($updates as $key => $update) {
// FIXME: This code probably shouldn't be here?
// Needed by things like Echo notifications which need
// to know which user caused the links update
if ($update instanceof LinksUpdate) {
$update->setRevision($revision);
if (!empty($this->params['triggeringUser'])) {
$userInfo = $this->params['triggeringUser'];
if ($userInfo['userId']) {
$user = User::newFromId($userInfo['userId']);
} else {
// Anonymous, use the username
$user = User::newFromName($userInfo['userName'], false);
}
$update->setTriggeringUser($user);
}
}
}
foreach ($updates as $update) {
$update->setTransactionTicket($ticket);
$update->doUpdate();
}
InfoAction::invalidateCache($title);
return true;
}
