The MediaWiki class is the helper class for the index.php entry point. More...

Collaboration diagram for MediaWiki:

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Classes
class	MediaWikiServices
	MediaWikiServices is the service locator for the application scope of MediaWiki. More...

class	OutputHandler

Public Member Functions
	__construct (IContextSource $context=null)

	doPostOutputShutdown ()
	This function does work that can be done after the user gets the HTTP response so they don't block on it. More...

	doPreOutputCommit (callable $postCommitWork=null)

	getAction ()
	Returns the name of the action that will be executed. More...

	getTitle ()
	Get the Title object that we'll be acting on, as specified in the WebRequest. More...

	restInPeace ()
	Ends this task peacefully. More...

	run ()
	Run the current MediaWiki instance; index.php just calls this. More...

	triggerJobs ()
	Potentially open a socket and sent an HTTP request back to the server to run a specified number of jobs. More...

Static Public Member Functions
static	emitBufferedStatsdData (IBufferingStatsdDataFactory $stats, Config $config)
	Send out any buffered statsd data according to sampling rules. More...

static	preOutputCommit (IContextSource $context, callable $postCommitWork=null)
	This function commits all DB and session changes as needed before the client can receive a response (in case DB commit fails) and thus also before the response can trigger a subsequent related request by the client. More...

Private Member Functions
	initializeArticle ()
	Initialize the main Article object for "standard" actions (view, etc) Create an Article object for the page, following redirects if needed. More...

	main ()
	Determine and send the response headers and body for this web request. More...

	outputResponsePayload ( $content)
	Set the actual output and attempt to flush it to the client if necessary. More...

	parseTitle ()
	Parse the request to get the Title object. More...

	performAction (Page $page, Title $requestTitle)
	Perform one of the "standard" actions. More...

	performRequest ()
	Performs the request. More...

	schedulePostSendJobs ()
	If enabled, after everything specific to this request is done, occasionally run jobs. More...

	setDBProfilingAgent ()
	Add a comment to future SQL queries for easy SHOW PROCESSLIST interpretation. More...

	triggerAsyncJobs ( $n, LoggerInterface $runJobsLogger)

	triggerSyncJobs ( $n, LoggerInterface $runJobsLogger)

	tryNormaliseRedirect (Title $title)
	Handle redirects for uncanonical title requests. More...

Static Private Member Functions
static	getChronProtStrategy (ILBFactory $lbFactory, OutputPage $output)

static	getUrlDomainDistance ( $url)

Private Attributes
string	$action
	Cache what action this request is. More...

Config	$config

IContextSource	$context

int	$postSendStrategy
	Class DEFER_* constant; how non-blocking post-response tasks should run. More...

Detailed Description

The MediaWiki class is the helper class for the index.php entry point.

Definition at line 35 of file MediaWiki.php.

Constructor & Destructor Documentation

◆ __construct()

MediaWiki::__construct ( IContextSource $context = null )

Parameters

IContextSource | null $context

Definition at line 54 of file MediaWiki.php.

References $context, and RequestContext\getMain().

Member Function Documentation

◆ doPostOutputShutdown()

MediaWiki::doPostOutputShutdown ( )

This function does work that can be done after the user gets the HTTP response so they don't block on it.

This manages deferred updates, job insertion, final commit, and the logging of profiling data

Since: 1.26

Definition at line 813 of file MediaWiki.php.

References WebResponse\disableForPostSend(), Profiler\instance(), MWExceptionHandler\logException(), restInPeace(), and MWExceptionHandler\rollbackMasterChangesAndLog().

Referenced by run().

◆ doPreOutputCommit()

MediaWiki::doPreOutputCommit ( callable $postCommitWork = null )

See also: MediaWiki::preOutputCommit()

Parameters

callable | null $postCommitWork [default: null]

Since: 1.26

Definition at line 634 of file MediaWiki.php.

References preOutputCommit().

Referenced by main(), and run().

◆ emitBufferedStatsdData()

static MediaWiki::emitBufferedStatsdData	(	IBufferingStatsdDataFactory	$stats,
		Config	$config
	)

static

Send out any buffered statsd data according to sampling rules.

Parameters

IBufferingStatsdDataFactory	$stats
Config	$config

Exceptions

ConfigException

Since: 1.31

Definition at line 1073 of file MediaWiki.php.

References $config, IBufferingStatsdDataFactory\clearData(), Config\get(), IBufferingStatsdDataFactory\getData(), IBufferingStatsdDataFactory\hasData(), and MWExceptionHandler\logException().

Referenced by Maintenance\output(), Maintenance\setLBFactoryTriggers(), and wfLogProfilingData().

◆ getAction()

MediaWiki::getAction ( )

Returns the name of the action that will be executed.

Returns: string Action

Definition at line 155 of file MediaWiki.php.

References $action, and Action\getActionName().

Referenced by main(), and performAction().

◆ getChronProtStrategy()

static MediaWiki::getChronProtStrategy	(	ILBFactory	$lbFactory,
		OutputPage	$output
	)

staticprivate

Parameters

ILBFactory	$lbFactory
OutputPage	$output

Returns: array

Definition at line 761 of file MediaWiki.php.

References getUrlDomainDistance(), and Wikimedia\Rdbms\ILBFactory\hasOrMadeRecentMasterChanges().

Referenced by preOutputCommit().

◆ getTitle()

MediaWiki::getTitle ( )

Get the Title object that we'll be acting on, as specified in the WebRequest.

Returns: Title

Definition at line 139 of file MediaWiki.php.

References SpecialPage\getTitleFor(), and parseTitle().

Referenced by main(), schedulePostSendJobs(), and triggerJobs().

◆ getUrlDomainDistance()

static MediaWiki::getUrlDomainDistance ( $url )

staticprivate

Parameters

string $url

Returns: string Either "local", "remote" if in the farm, "external" otherwise

Definition at line 792 of file MediaWiki.php.

References WikiMap\getWikiFromUrl(), and WikiMap\isCurrentWikiId().

Referenced by getChronProtStrategy().

◆ initializeArticle()

MediaWiki::initializeArticle ( )

private

Initialize the main Article object for "standard" actions (view, etc) Create an Article object for the page, following redirects if needed.

Returns: Article|string An Article, or a string to redirect to another URL

Definition at line 398 of file MediaWiki.php.

References $action, $file, $title, WikiPage\factory(), ContentHandler\getForTitle(), Article\newFromWikiPage(), Hooks\run(), and wfWarn().

Referenced by performRequest().

◆ main()

MediaWiki::main ( )

private

Determine and send the response headers and body for this web request.

Definition at line 860 of file MediaWiki.php.

References $action, $cache, $title, $wgTitle, doPreOutputCommit(), getAction(), getTitle(), Profiler\instance(), Title\makeTitle(), Title\newFromText(), NS_MAIN, NS_SPECIAL, outputResponsePayload(), performRequest(), PROTO_HTTPS, Hooks\run(), schedulePostSendJobs(), HTMLFileCache\useFileCache(), wfDebugLog(), and wfExpandUrl().

Referenced by run().

◆ outputResponsePayload()

MediaWiki::outputResponsePayload ( $content )

private

Set the actual output and attempt to flush it to the client if necessary.

No PHP buffers should be active at this point

Parameters

string $content

Definition at line 997 of file MediaWiki.php.

References $content, $response, and DeferredUpdates\pendingUpdatesCount().

Referenced by main().

◆ parseTitle()

MediaWiki::parseTitle ( )

private

Parse the request to get the Title object.

Exceptions

MalformedTitleException If a title has been provided by the user, but is invalid.

Returns: Title Title object to be $wgTitle

Definition at line 70 of file MediaWiki.php.

References $action, $title, MediaWiki\MediaWikiServices\getInstance(), SpecialPage\getTitleFor(), Title\makeTitle(), Revision\newFromId(), Title\newFromID(), Title\newFromTextThrow(), Title\newFromURL(), Title\newMainPage(), NS_FILE, and NS_MEDIA.

Referenced by getTitle(), and performRequest().

◆ performAction()

MediaWiki::performAction	(	Page	$page,
		Title	$requestTitle
	)

private

Perform one of the "standard" actions.

Parameters

Page	$page
Title	$requestTitle	The original title, before any redirects were applied

Definition at line 479 of file MediaWiki.php.

References $action, $title, Action\factory(), getAction(), Title\getCdnUrls(), Profiler\instance(), PROTO_INTERNAL, Hooks\run(), and wfExpandUrl().

Referenced by performRequest().

◆ performRequest()

MediaWiki::performRequest ( )

private

Performs the request.

bad titles
read restriction
local interwiki redirects
redirect loop
special pages
normal pages

Exceptions

MWException|PermissionsError|BadTitleError|HttpError

Returns: void

Definition at line 175 of file MediaWiki.php.

References $title, $wgTitle, MediaWiki\MediaWikiServices\getInstance(), SpecialPage\getTitleFor(), initializeArticle(), parseTitle(), performAction(), Hooks\run(), FauxRequest\setRequestURL(), and tryNormaliseRedirect().

Referenced by main().

◆ preOutputCommit()

static MediaWiki::preOutputCommit	(	IContextSource	$context,
		callable	$postCommitWork = `null`
	)

static

This function commits all DB and session changes as needed before the client can receive a response (in case DB commit fails) and thus also before the response can trigger a subsequent related request by the client.

If there is a significant amount of content to flush, it can be done in $postCommitWork

Parameters

IContextSource	$context
callable \| null	$postCommitWork	[default: null]

Since: 1.27

Definition at line 649 of file MediaWiki.php.

References $config, $context, DeferredUpdates\doUpdates(), Config\get(), getChronProtStrategy(), IContextSource\getConfig(), MediaWiki\MediaWikiServices\getInstance(), IContextSource\getOutput(), IContextSource\getRequest(), IContextSource\getUser(), MWExceptionHandler\logException(), DeferredUpdates\PRESEND, MessageCache\singleton(), wfDebug(), and wfDebugLog().

Referenced by doPreOutputCommit(), MediaWiki\Rest\EntryPoint\execute(), and ApiMain\executeActionWithErrorHandling().

◆ restInPeace()

MediaWiki::restInPeace ( )

Ends this task peacefully.

Definition at line 1034 of file MediaWiki.php.

References DeferredUpdates\doUpdates(), MediaWiki\MediaWikiServices\getInstance(), Profiler\instance(), wfDebug(), and wfLogProfilingData().

Referenced by doPostOutputShutdown().

◆ run()

MediaWiki::run ( )

Run the current MediaWiki instance; index.php just calls this.

Definition at line 526 of file MediaWiki.php.

References $action, $cache, $context, doPostOutputShutdown(), doPreOutputCommit(), MWExceptionRenderer\getHTML(), IContextSource\getRequest(), IContextSource\getTitle(), MWExceptionHandler\handleException(), main(), HTMLFileCache\MODE_OUTAGE, ErrorPageError\report(), setDBProfilingAgent(), ErrorPageError\STAGE_OUTPUT, and HTMLFileCache\useFileCache().

Referenced by MediaWiki\Rest\SimpleHandler\execute().

◆ schedulePostSendJobs()

MediaWiki::schedulePostSendJobs ( )

private

If enabled, after everything specific to this request is done, occasionally run jobs.

Definition at line 586 of file MediaWiki.php.

References DeferredUpdates\addCallableUpdate(), getTitle(), triggerAsyncJobs(), triggerSyncJobs(), and wfReadOnly().

Referenced by main().

◆ setDBProfilingAgent()

MediaWiki::setDBProfilingAgent ( )

private

Add a comment to future SQL queries for easy SHOW PROCESSLIST interpretation.

Definition at line 575 of file MediaWiki.php.

References MediaWiki\MediaWikiServices\getInstance().

Referenced by run().

◆ triggerAsyncJobs()

MediaWiki::triggerAsyncJobs	(		$n,
		LoggerInterface	$runJobsLogger
	)

private

Parameters

int	$n	Number of jobs to try to run
LoggerInterface	$runJobsLogger

Returns: bool Success

Definition at line 1157 of file MediaWiki.php.

References MediaWiki\MediaWikiServices\getInstance(), SpecialRunJobs\getQuerySignature(), JobQueueGroup\singleton(), JobQueueGroup\TYPE_DEFAULT, and wfParseUrl().

Referenced by schedulePostSendJobs(), and triggerJobs().

◆ triggerJobs()

MediaWiki::triggerJobs ( )

Potentially open a socket and sent an HTTP request back to the server to run a specified number of jobs.

This registers a callback to cleanup the socket once it's done.

Deprecated:: Since 1.34

Definition at line 1099 of file MediaWiki.php.

References getTitle(), MWExceptionHandler\logException(), triggerAsyncJobs(), triggerSyncJobs(), and wfReadOnly().

◆ triggerSyncJobs()

MediaWiki::triggerSyncJobs	(		$n,
		LoggerInterface	$runJobsLogger
	)

private

Parameters

int	$n	Number of jobs to try to run
LoggerInterface	$runJobsLogger

Definition at line 1141 of file MediaWiki.php.

References Profiler\instance().

Referenced by schedulePostSendJobs(), and triggerJobs().

◆ tryNormaliseRedirect()

MediaWiki::tryNormaliseRedirect ( Title $title )

private

Handle redirects for uncanonical title requests.

Handles:

Redirect loops.
No title in URL.
$wgUsePathInfo URLs.
URLs with a variant.
Other non-standard URLs (as long as they have no extra query parameters).

Behaviour:

Normalise title values: /wiki/Foo%20Bar -> /wiki/Foo_Bar
Normalise empty title: /wiki/ -> /wiki/Main /w/index.php?title= -> /wiki/Main
Don't redirect anything with query parameters other than 'title' or 'action=view'.

Parameters

Title $title

Returns: bool True if a redirect was set.

Exceptions

HttpError

Definition at line 338 of file MediaWiki.php.

References $title, MediaWiki\MediaWikiServices\getInstance(), SpecialPage\getTitleFor(), PROTO_CURRENT, Hooks\run(), and wfExpandUrl().

Referenced by performRequest().

Member Data Documentation

◆ $action

string MediaWiki::$action

private

Cache what action this request is.

Definition at line 42 of file MediaWiki.php.

◆ $config

Config MediaWiki::$config

private

Definition at line 39 of file MediaWiki.php.

◆ $context

IContextSource MediaWiki::$context

private

Definition at line 37 of file MediaWiki.php.

◆ $postSendStrategy

int MediaWiki::$postSendStrategy

private

Class DEFER_* constant; how non-blocking post-response tasks should run.

Definition at line 44 of file MediaWiki.php.

The documentation for this class was generated from the following file:

includes/MediaWiki.php

Classes

Public Member Functions

Static Public Member Functions

Private Member Functions

Static Private Member Functions

Private Attributes

Detailed Description

Constructor & Destructor Documentation

◆ __construct()

Member Function Documentation

◆ doPostOutputShutdown()

◆ doPreOutputCommit()

◆ emitBufferedStatsdData()

◆ getAction()

◆ getChronProtStrategy()

◆ getTitle()

◆ getUrlDomainDistance()

◆ initializeArticle()

◆ main()

◆ outputResponsePayload()

◆ parseTitle()

◆ performAction()

◆ performRequest()

◆ preOutputCommit()

◆ restInPeace()

◆ run()

◆ schedulePostSendJobs()

◆ setDBProfilingAgent()

◆ triggerAsyncJobs()

◆ triggerJobs()

◆ triggerSyncJobs()

◆ tryNormaliseRedirect()

Member Data Documentation

◆ $action

◆ $config

◆ $context

◆ $postSendStrategy