mContextTitle is the page that forms submit to, links point to,
* redirects go to, etc. $this->mTitle (as well as $mArticle) is the
* page in the database that is actually being edited. These are
* usually the same, but they are now allowed to be different.
*
* Surgeon General's Warning: prolonged exposure to this class is known to cause
* headaches, which may be fatal.
*/
class EditPage {
/**
* Status: Article successfully updated
*/
const AS_SUCCESS_UPDATE = 200;
/**
* Status: Article successfully created
*/
const AS_SUCCESS_NEW_ARTICLE = 201;
/**
* Status: Article update aborted by a hook function
*/
const AS_HOOK_ERROR = 210;
/**
* Status: A hook function returned an error
*/
const AS_HOOK_ERROR_EXPECTED = 212;
/**
* Status: User is blocked from editing this page
*/
const AS_BLOCKED_PAGE_FOR_USER = 215;
/**
* Status: Content too big (> $wgMaxArticleSize)
*/
const AS_CONTENT_TOO_BIG = 216;
/**
* Status: this anonymous user is not allowed to edit this page
*/
const AS_READ_ONLY_PAGE_ANON = 218;
/**
* Status: this logged in user is not allowed to edit this page
*/
const AS_READ_ONLY_PAGE_LOGGED = 219;
/**
* Status: wiki is in readonly mode (wfReadOnly() == true)
*/
const AS_READ_ONLY_PAGE = 220;
/**
* Status: rate limiter for action 'edit' was tripped
*/
const AS_RATE_LIMITED = 221;
/**
* Status: article was deleted while editing and param wpRecreate == false or form
* was not posted
*/
const AS_ARTICLE_WAS_DELETED = 222;
/**
* Status: user tried to create this page, but is not allowed to do that
* ( Title->userCan('create') == false )
*/
const AS_NO_CREATE_PERMISSION = 223;
/**
* Status: user tried to create a blank page and wpIgnoreBlankArticle == false
*/
const AS_BLANK_ARTICLE = 224;
/**
* Status: (non-resolvable) edit conflict
*/
const AS_CONFLICT_DETECTED = 225;
/**
* Status: no edit summary given and the user has forceeditsummary set and the user is not
* editing in his own userspace or talkspace and wpIgnoreBlankSummary == false
*/
const AS_SUMMARY_NEEDED = 226;
/**
* Status: user tried to create a new section without content
*/
const AS_TEXTBOX_EMPTY = 228;
/**
* Status: article is too big (> $wgMaxArticleSize), after merging in the new section
*/
const AS_MAX_ARTICLE_SIZE_EXCEEDED = 229;
/**
* Status: WikiPage::doEdit() was unsuccessful
*/
const AS_END = 231;
/**
* Status: summary contained spam according to one of the regexes in $wgSummarySpamRegex
*/
const AS_SPAM_ERROR = 232;
/**
* Status: anonymous user is not allowed to upload (User::isAllowed('upload') == false)
*/
const AS_IMAGE_REDIRECT_ANON = 233;
/**
* Status: logged in user is not allowed to upload (User::isAllowed('upload') == false)
*/
const AS_IMAGE_REDIRECT_LOGGED = 234;
/**
* Status: user tried to modify the content model, but is not allowed to do that
* ( User::isAllowed('editcontentmodel') == false )
*/
const AS_NO_CHANGE_CONTENT_MODEL = 235;
/**
* Status: user tried to create self-redirect (redirect to the same article) and
* wpIgnoreSelfRedirect == false
*/
const AS_SELF_REDIRECT = 236;
/**
* Status: an error relating to change tagging. Look at the message key for
* more details
*/
const AS_CHANGE_TAG_ERROR = 237;
/**
* Status: can't parse content
*/
const AS_PARSE_ERROR = 240;
/**
* Status: when changing the content model is disallowed due to
* $wgContentHandlerUseDB being false
*/
const AS_CANNOT_USE_CUSTOM_MODEL = 241;
/**
* HTML id and name for the beginning of the edit form.
*/
const EDITFORM_ID = 'editform';
/**
* Prefix of key for cookie used to pass post-edit state.
* The revision id edited is added after this
*/
const POST_EDIT_COOKIE_KEY_PREFIX = 'PostEditRevision';
/**
* Duration of PostEdit cookie, in seconds.
* The cookie will be removed instantly if the JavaScript runs.
*
* Otherwise, though, we don't want the cookies to accumulate.
* RFC 2109 ( https://www.ietf.org/rfc/rfc2109.txt ) specifies a possible
* limit of only 20 cookies per domain. This still applies at least to some
* versions of IE without full updates:
* https://blogs.msdn.com/b/ieinternals/archive/2009/08/20/wininet-ie-cookie-internals-faq.aspx
*
* A value of 20 minutes should be enough to take into account slow loads and minor
* clock skew while still avoiding cookie accumulation when JavaScript is turned off.
*/
const POST_EDIT_COOKIE_DURATION = 1200;
/** @var Article */
public $mArticle;
/** @var WikiPage */
private $page;
/** @var Title */
public $mTitle;
/** @var null|Title */
private $mContextTitle = null;
/** @var string */
public $action = 'submit';
/** @var bool */
public $isConflict = false;
/** @var bool */
public $isCssJsSubpage = false;
/** @var bool */
public $isCssSubpage = false;
/** @var bool */
public $isJsSubpage = false;
/** @var bool */
public $isWrongCaseCssJsPage = false;
/** @var bool New page or new section */
public $isNew = false;
/** @var bool */
public $deletedSinceEdit;
/** @var string */
public $formtype;
/** @var bool */
public $firsttime;
/** @var bool|stdClass */
public $lastDelete;
/** @var bool */
public $mTokenOk = false;
/** @var bool */
public $mTokenOkExceptSuffix = false;
/** @var bool */
public $mTriedSave = false;
/** @var bool */
public $incompleteForm = false;
/** @var bool */
public $tooBig = false;
/** @var bool */
public $missingComment = false;
/** @var bool */
public $missingSummary = false;
/** @var bool */
public $allowBlankSummary = false;
/** @var bool */
protected $blankArticle = false;
/** @var bool */
protected $allowBlankArticle = false;
/** @var bool */
protected $selfRedirect = false;
/** @var bool */
protected $allowSelfRedirect = false;
/** @var string */
public $autoSumm = '';
/** @var string */
public $hookError = '';
/** @var ParserOutput */
public $mParserOutput;
/** @var bool Has a summary been preset using GET parameter &summary= ? */
public $hasPresetSummary = false;
/** @var Revision|bool */
public $mBaseRevision = false;
/** @var bool */
public $mShowSummaryField = true;
# Form values
/** @var bool */
public $save = false;
/** @var bool */
public $preview = false;
/** @var bool */
public $diff = false;
/** @var bool */
public $minoredit = false;
/** @var bool */
public $watchthis = false;
/** @var bool */
public $recreate = false;
/** @var string */
public $textbox1 = '';
/** @var string */
public $textbox2 = '';
/** @var string */
public $summary = '';
/** @var bool */
public $nosummary = false;
/** @var string */
public $edittime = '';
/** @var integer */
private $editRevId = null;
/** @var string */
public $section = '';
/** @var string */
public $sectiontitle = '';
/** @var string */
public $starttime = '';
/** @var int */
public $oldid = 0;
/** @var int */
public $parentRevId = 0;
/** @var string */
public $editintro = '';
/** @var null */
public $scrolltop = null;
/** @var bool */
public $bot = true;
/** @var string */
public $contentModel;
/** @var null|string */
public $contentFormat = null;
/** @var null|array */
private $changeTags = null;
# Placeholders for text injection by hooks (must be HTML)
# extensions should take care to _append_ to the present value
/** @var string Before even the preview */
public $editFormPageTop = '';
public $editFormTextTop = '';
public $editFormTextBeforeContent = '';
public $editFormTextAfterWarn = '';
public $editFormTextAfterTools = '';
public $editFormTextBottom = '';
public $editFormTextAfterContent = '';
public $previewTextAfterContent = '';
public $mPreloadContent = null;
/* $didSave should be set to true whenever an article was successfully altered. */
public $didSave = false;
public $undidRev = 0;
public $suppressIntro = false;
/** @var bool */
protected $edit;
/** @var bool|int */
protected $contentLength = false;
/**
* @var bool Set in ApiEditPage, based on ContentHandler::allowsDirectApiEditing
*/
private $enableApiEditOverride = false;
/**
* @var IContextSource
*/
protected $context;
/**
* @var bool Whether an old revision is edited
*/
private $isOldRev = false;
/**
* @var bool Whether OOUI should be enabled here
*/
private $oouiEnabled = false;
/**
* @param Article $article
*/
public function __construct( Article $article ) {
$this->mArticle = $article;
$this->page = $article->getPage(); // model object
$this->mTitle = $article->getTitle();
$this->context = $article->getContext();
$this->contentModel = $this->mTitle->getContentModel();
$handler = ContentHandler::getForModelID( $this->contentModel );
$this->contentFormat = $handler->getDefaultFormat();
$this->oouiEnabled = $this->context->getConfig()->get( 'OOUIEditPage' );
}
/**
* @return Article
*/
public function getArticle() {
return $this->mArticle;
}
/**
* @since 1.28
* @return IContextSource
*/
public function getContext() {
return $this->context;
}
/**
* @since 1.19
* @return Title
*/
public function getTitle() {
return $this->mTitle;
}
/**
* Set the context Title object
*
* @param Title|null $title Title object or null
*/
public function setContextTitle( $title ) {
$this->mContextTitle = $title;
}
/**
* Get the context title object.
* If not set, $wgTitle will be returned. This behavior might change in
* the future to return $this->mTitle instead.
*
* @return Title
*/
public function getContextTitle() {
if ( is_null( $this->mContextTitle ) ) {
global $wgTitle;
return $wgTitle;
} else {
return $this->mContextTitle;
}
}
/**
* Check if the edit page is using OOUI controls
* @return bool
*/
public function isOouiEnabled() {
return $this->oouiEnabled;
}
/**
* Returns if the given content model is editable.
*
* @param string $modelId The ID of the content model to test. Use CONTENT_MODEL_XXX constants.
* @return bool
* @throws MWException If $modelId has no known handler
*/
public function isSupportedContentModel( $modelId ) {
return $this->enableApiEditOverride === true ||
ContentHandler::getForModelID( $modelId )->supportsDirectEditing();
}
/**
* Allow editing of content that supports API direct editing, but not general
* direct editing. Set to false by default.
*
* @param bool $enableOverride
*/
public function setApiEditOverride( $enableOverride ) {
$this->enableApiEditOverride = $enableOverride;
}
/**
* @deprecated since 1.29, call edit directly
*/
public function submit() {
$this->edit();
}
/**
* This is the function that gets called for "action=edit". It
* sets up various member variables, then passes execution to
* another function, usually showEditForm()
*
* The edit form is self-submitting, so that when things like
* preview and edit conflicts occur, we get the same form back
* with the extra stuff added. Only when the final submission
* is made and all is well do we actually save and redirect to
* the newly-edited page.
*/
public function edit() {
global $wgOut, $wgRequest, $wgUser;
// Allow extensions to modify/prevent this form or submission
if ( !Hooks::run( 'AlternateEdit', [ $this ] ) ) {
return;
}
wfDebug( __METHOD__ . ": enter\n" );
// If they used redlink=1 and the page exists, redirect to the main article
if ( $wgRequest->getBool( 'redlink' ) && $this->mTitle->exists() ) {
$wgOut->redirect( $this->mTitle->getFullURL() );
return;
}
$this->importFormData( $wgRequest );
$this->firsttime = false;
if ( wfReadOnly() && $this->save ) {
// Force preview
$this->save = false;
$this->preview = true;
}
if ( $this->save ) {
$this->formtype = 'save';
} elseif ( $this->preview ) {
$this->formtype = 'preview';
} elseif ( $this->diff ) {
$this->formtype = 'diff';
} else { # First time through
$this->firsttime = true;
if ( $this->previewOnOpen() ) {
$this->formtype = 'preview';
} else {
$this->formtype = 'initial';
}
}
$permErrors = $this->getEditPermissionErrors( $this->save ? 'secure' : 'full' );
if ( $permErrors ) {
wfDebug( __METHOD__ . ": User can't edit\n" );
// Auto-block user's IP if the account was "hard" blocked
if ( !wfReadOnly() ) {
$user = $wgUser;
DeferredUpdates::addCallableUpdate( function () use ( $user ) {
$user->spreadAnyEditBlock();
} );
}
$this->displayPermissionsError( $permErrors );
return;
}
$revision = $this->mArticle->getRevisionFetched();
// Disallow editing revisions with content models different from the current one
// Undo edits being an exception in order to allow reverting content model changes.
if ( $revision
&& $revision->getContentModel() !== $this->contentModel
) {
$prevRev = null;
if ( $this->undidRev ) {
$undidRevObj = Revision::newFromId( $this->undidRev );
$prevRev = $undidRevObj ? $undidRevObj->getPrevious() : null;
}
if ( !$this->undidRev
|| !$prevRev
|| $prevRev->getContentModel() !== $this->contentModel
) {
$this->displayViewSourcePage(
$this->getContentObject(),
$this->context->msg(
'contentmodelediterror',
$revision->getContentModel(),
$this->contentModel
)->plain()
);
return;
}
}
$this->isConflict = false;
// css / js subpages of user pages get a special treatment
$this->isCssJsSubpage = $this->mTitle->isCssJsSubpage();
$this->isCssSubpage = $this->mTitle->isCssSubpage();
$this->isJsSubpage = $this->mTitle->isJsSubpage();
// @todo FIXME: Silly assignment.
$this->isWrongCaseCssJsPage = $this->isWrongCaseCssJsPage();
# Show applicable editing introductions
if ( $this->formtype == 'initial' || $this->firsttime ) {
$this->showIntro();
}
# Attempt submission here. This will check for edit conflicts,
# and redundantly check for locked database, blocked IPs, etc.
# that edit() already checked just in case someone tries to sneak
# in the back door with a hand-edited submission URL.
if ( 'save' == $this->formtype ) {
$resultDetails = null;
$status = $this->attemptSave( $resultDetails );
if ( !$this->handleStatus( $status, $resultDetails ) ) {
return;
}
}
# First time through: get contents, set time for conflict
# checking, etc.
if ( 'initial' == $this->formtype || $this->firsttime ) {
if ( $this->initialiseForm() === false ) {
$this->noSuchSectionPage();
return;
}
if ( !$this->mTitle->getArticleID() ) {
Hooks::run( 'EditFormPreloadText', [ &$this->textbox1, &$this->mTitle ] );
} else {
Hooks::run( 'EditFormInitialText', [ $this ] );
}
}
$this->showEditForm();
}
/**
* @param string $rigor Same format as Title::getUserPermissionErrors()
* @return array
*/
protected function getEditPermissionErrors( $rigor = 'secure' ) {
global $wgUser;
$permErrors = $this->mTitle->getUserPermissionsErrors( 'edit', $wgUser, $rigor );
# Can this title be created?
if ( !$this->mTitle->exists() ) {
$permErrors = array_merge(
$permErrors,
wfArrayDiff2(
$this->mTitle->getUserPermissionsErrors( 'create', $wgUser, $rigor ),
$permErrors
)
);
}
# Ignore some permissions errors when a user is just previewing/viewing diffs
$remove = [];
foreach ( $permErrors as $error ) {
if ( ( $this->preview || $this->diff )
&& (
$error[0] == 'blockedtext' ||
$error[0] == 'autoblockedtext' ||
$error[0] == 'systemblockedtext'
)
) {
$remove[] = $error;
}
}
$permErrors = wfArrayDiff2( $permErrors, $remove );
return $permErrors;
}
/**
* Display a permissions error page, like OutputPage::showPermissionsErrorPage(),
* but with the following differences:
* - If redlink=1, the user will be redirected to the page
* - If there is content to display or the error occurs while either saving,
* previewing or showing the difference, it will be a
* "View source for ..." page displaying the source code after the error message.
*
* @since 1.19
* @param array $permErrors Array of permissions errors, as returned by
* Title::getUserPermissionsErrors().
* @throws PermissionsError
*/
protected function displayPermissionsError( array $permErrors ) {
global $wgRequest, $wgOut;
if ( $wgRequest->getBool( 'redlink' ) ) {
// The edit page was reached via a red link.
// Redirect to the article page and let them click the edit tab if
// they really want a permission error.
$wgOut->redirect( $this->mTitle->getFullURL() );
return;
}
$content = $this->getContentObject();
# Use the normal message if there's nothing to display
if ( $this->firsttime && ( !$content || $content->isEmpty() ) ) {
$action = $this->mTitle->exists() ? 'edit' :
( $this->mTitle->isTalkPage() ? 'createtalk' : 'createpage' );
throw new PermissionsError( $action, $permErrors );
}
$this->displayViewSourcePage(
$content,
$wgOut->formatPermissionsErrorMessage( $permErrors, 'edit' )
);
}
/**
* Display a read-only View Source page
* @param Content $content content object
* @param string $errorMessage additional wikitext error message to display
*/
protected function displayViewSourcePage( Content $content, $errorMessage = '' ) {
global $wgOut;
Hooks::run( 'EditPage::showReadOnlyForm:initial', [ $this, &$wgOut ] );
$wgOut->setRobotPolicy( 'noindex,nofollow' );
$wgOut->setPageTitle( $this->context->msg(
'viewsource-title',
$this->getContextTitle()->getPrefixedText()
) );
$wgOut->addBacklinkSubtitle( $this->getContextTitle() );
$wgOut->addHTML( $this->editFormPageTop );
$wgOut->addHTML( $this->editFormTextTop );
if ( $errorMessage !== '' ) {
$wgOut->addWikiText( $errorMessage );
$wgOut->addHTML( "\n" );
}
# If the user made changes, preserve them when showing the markup
# (This happens when a user is blocked during edit, for instance)
if ( !$this->firsttime ) {
$text = $this->textbox1;
$wgOut->addWikiMsg( 'viewyourtext' );
} else {
try {
$text = $this->toEditText( $content );
} catch ( MWException $e ) {
# Serialize using the default format if the content model is not supported
# (e.g. for an old revision with a different model)
$text = $content->serialize();
}
$wgOut->addWikiMsg( 'viewsourcetext' );
}
$wgOut->addHTML( $this->editFormTextBeforeContent );
$this->showTextbox( $text, 'wpTextbox1', [ 'readonly' ] );
$wgOut->addHTML( $this->editFormTextAfterContent );
$wgOut->addHTML( $this->makeTemplatesOnThisPageList( $this->getTemplates() ) );
$wgOut->addModules( 'mediawiki.action.edit.collapsibleFooter' );
$wgOut->addHTML( $this->editFormTextBottom );
if ( $this->mTitle->exists() ) {
$wgOut->returnToMain( null, $this->mTitle );
}
}
/**
* Should we show a preview when the edit form is first shown?
*
* @return bool
*/
protected function previewOnOpen() {
global $wgRequest, $wgUser, $wgPreviewOnOpenNamespaces;
if ( $wgRequest->getVal( 'preview' ) == 'yes' ) {
// Explicit override from request
return true;
} elseif ( $wgRequest->getVal( 'preview' ) == 'no' ) {
// Explicit override from request
return false;
} elseif ( $this->section == 'new' ) {
// Nothing *to* preview for new sections
return false;
} elseif ( ( $wgRequest->getVal( 'preload' ) !== null || $this->mTitle->exists() )
&& $wgUser->getOption( 'previewonfirst' )
) {
// Standard preference behavior
return true;
} elseif ( !$this->mTitle->exists()
&& isset( $wgPreviewOnOpenNamespaces[$this->mTitle->getNamespace()] )
&& $wgPreviewOnOpenNamespaces[$this->mTitle->getNamespace()]
) {
// Categories are special
return true;
} else {
return false;
}
}
/**
* Checks whether the user entered a skin name in uppercase,
* e.g. "User:Example/Monobook.css" instead of "monobook.css"
*
* @return bool
*/
protected function isWrongCaseCssJsPage() {
if ( $this->mTitle->isCssJsSubpage() ) {
$name = $this->mTitle->getSkinFromCssJsSubpage();
$skins = array_merge(
array_keys( Skin::getSkinNames() ),
[ 'common' ]
);
return !in_array( $name, $skins )
&& in_array( strtolower( $name ), $skins );
} else {
return false;
}
}
/**
* Returns whether section editing is supported for the current page.
* Subclasses may override this to replace the default behavior, which is
* to check ContentHandler::supportsSections.
*
* @return bool True if this edit page supports sections, false otherwise.
*/
protected function isSectionEditSupported() {
$contentHandler = ContentHandler::getForTitle( $this->mTitle );
return $contentHandler->supportsSections();
}
/**
* This function collects the form data and uses it to populate various member variables.
* @param WebRequest $request
* @throws ErrorPageError
*/
public function importFormData( &$request ) {
global $wgContLang, $wgUser;
# Allow users to change the mode for testing
$this->oouiEnabled = $request->getFuzzyBool( 'ooui', $this->oouiEnabled );
# Section edit can come from either the form or a link
$this->section = $request->getVal( 'wpSection', $request->getVal( 'section' ) );
if ( $this->section !== null && $this->section !== '' && !$this->isSectionEditSupported() ) {
throw new ErrorPageError( 'sectioneditnotsupported-title', 'sectioneditnotsupported-text' );
}
$this->isNew = !$this->mTitle->exists() || $this->section == 'new';
if ( $request->wasPosted() ) {
# These fields need to be checked for encoding.
# Also remove trailing whitespace, but don't remove _initial_
# whitespace from the text boxes. This may be significant formatting.
$this->textbox1 = $this->safeUnicodeInput( $request, 'wpTextbox1' );
if ( !$request->getCheck( 'wpTextbox2' ) ) {
// Skip this if wpTextbox2 has input, it indicates that we came
// from a conflict page with raw page text, not a custom form
// modified by subclasses
$textbox1 = $this->importContentFormData( $request );
if ( $textbox1 !== null ) {
$this->textbox1 = $textbox1;
}
}
# Truncate for whole multibyte characters
$this->summary = $wgContLang->truncate( $request->getText( 'wpSummary' ), 255 );
# If the summary consists of a heading, e.g. '==Foobar==', extract the title from the
# header syntax, e.g. 'Foobar'. This is mainly an issue when we are using wpSummary for
# section titles.
$this->summary = preg_replace( '/^\s*=+\s*(.*?)\s*=+\s*$/', '$1', $this->summary );
# Treat sectiontitle the same way as summary.
# Note that wpSectionTitle is not yet a part of the actual edit form, as wpSummary is
# currently doing double duty as both edit summary and section title. Right now this
# is just to allow API edits to work around this limitation, but this should be
# incorporated into the actual edit form when EditPage is rewritten (Bugs 18654, 26312).
$this->sectiontitle = $wgContLang->truncate( $request->getText( 'wpSectionTitle' ), 255 );
$this->sectiontitle = preg_replace( '/^\s*=+\s*(.*?)\s*=+\s*$/', '$1', $this->sectiontitle );
$this->edittime = $request->getVal( 'wpEdittime' );
$this->editRevId = $request->getIntOrNull( 'editRevId' );
$this->starttime = $request->getVal( 'wpStarttime' );
$undidRev = $request->getInt( 'wpUndidRevision' );
if ( $undidRev ) {
$this->undidRev = $undidRev;
}
$this->scrolltop = $request->getIntOrNull( 'wpScrolltop' );
if ( $this->textbox1 === '' && $request->getVal( 'wpTextbox1' ) === null ) {
// wpTextbox1 field is missing, possibly due to being "too big"
// according to some filter rules such as Suhosin's setting for
// suhosin.request.max_value_length (d'oh)
$this->incompleteForm = true;
} else {
// If we receive the last parameter of the request, we can fairly
// claim the POST request has not been truncated.
// TODO: softened the check for cutover. Once we determine
// that it is safe, we should complete the transition by
// removing the "edittime" clause.
$this->incompleteForm = ( !$request->getVal( 'wpUltimateParam' )
&& is_null( $this->edittime ) );
}
if ( $this->incompleteForm ) {
# If the form is incomplete, force to preview.
wfDebug( __METHOD__ . ": Form data appears to be incomplete\n" );
wfDebug( "POST DATA: " . var_export( $_POST, true ) . "\n" );
$this->preview = true;
} else {
$this->preview = $request->getCheck( 'wpPreview' );
$this->diff = $request->getCheck( 'wpDiff' );
// Remember whether a save was requested, so we can indicate
// if we forced preview due to session failure.
$this->mTriedSave = !$this->preview;
if ( $this->tokenOk( $request ) ) {
# Some browsers will not report any submit button
# if the user hits enter in the comment box.
# The unmarked state will be assumed to be a save,
# if the form seems otherwise complete.
wfDebug( __METHOD__ . ": Passed token check.\n" );
} elseif ( $this->diff ) {
# Failed token check, but only requested "Show Changes".
wfDebug( __METHOD__ . ": Failed token check; Show Changes requested.\n" );
} else {
# Page might be a hack attempt posted from
# an external site. Preview instead of saving.
wfDebug( __METHOD__ . ": Failed token check; forcing preview\n" );
$this->preview = true;
}
}
$this->save = !$this->preview && !$this->diff;
if ( !preg_match( '/^\d{14}$/', $this->edittime ) ) {
$this->edittime = null;
}
if ( !preg_match( '/^\d{14}$/', $this->starttime ) ) {
$this->starttime = null;
}
$this->recreate = $request->getCheck( 'wpRecreate' );
$this->minoredit = $request->getCheck( 'wpMinoredit' );
$this->watchthis = $request->getCheck( 'wpWatchthis' );
# Don't force edit summaries when a user is editing their own user or talk page
if ( ( $this->mTitle->mNamespace == NS_USER || $this->mTitle->mNamespace == NS_USER_TALK )
&& $this->mTitle->getText() == $wgUser->getName()
) {
$this->allowBlankSummary = true;
} else {
$this->allowBlankSummary = $request->getBool( 'wpIgnoreBlankSummary' )
|| !$wgUser->getOption( 'forceeditsummary' );
}
$this->autoSumm = $request->getText( 'wpAutoSummary' );
$this->allowBlankArticle = $request->getBool( 'wpIgnoreBlankArticle' );
$this->allowSelfRedirect = $request->getBool( 'wpIgnoreSelfRedirect' );
$changeTags = $request->getVal( 'wpChangeTags' );
if ( is_null( $changeTags ) || $changeTags === '' ) {
$this->changeTags = [];
} else {
$this->changeTags = array_filter( array_map( 'trim', explode( ',',
$changeTags ) ) );
}
} else {
# Not a posted form? Start with nothing.
wfDebug( __METHOD__ . ": Not a posted form.\n" );
$this->textbox1 = '';
$this->summary = '';
$this->sectiontitle = '';
$this->edittime = '';
$this->editRevId = null;
$this->starttime = wfTimestampNow();
$this->edit = false;
$this->preview = false;
$this->save = false;
$this->diff = false;
$this->minoredit = false;
// Watch may be overridden by request parameters
$this->watchthis = $request->getBool( 'watchthis', false );
$this->recreate = false;
// When creating a new section, we can preload a section title by passing it as the
// preloadtitle parameter in the URL (T15100)
if ( $this->section == 'new' && $request->getVal( 'preloadtitle' ) ) {
$this->sectiontitle = $request->getVal( 'preloadtitle' );
// Once wpSummary isn't being use for setting section titles, we should delete this.
$this->summary = $request->getVal( 'preloadtitle' );
} elseif ( $this->section != 'new' && $request->getVal( 'summary' ) ) {
$this->summary = $request->getText( 'summary' );
if ( $this->summary !== '' ) {
$this->hasPresetSummary = true;
}
}
if ( $request->getVal( 'minor' ) ) {
$this->minoredit = true;
}
}
$this->oldid = $request->getInt( 'oldid' );
$this->parentRevId = $request->getInt( 'parentRevId' );
$this->bot = $request->getBool( 'bot', true );
$this->nosummary = $request->getBool( 'nosummary' );
// May be overridden by revision.
$this->contentModel = $request->getText( 'model', $this->contentModel );
// May be overridden by revision.
$this->contentFormat = $request->getText( 'format', $this->contentFormat );
try {
$handler = ContentHandler::getForModelID( $this->contentModel );
} catch ( MWUnknownContentModelException $e ) {
throw new ErrorPageError(
'editpage-invalidcontentmodel-title',
'editpage-invalidcontentmodel-text',
[ wfEscapeWikiText( $this->contentModel ) ]
);
}
if ( !$handler->isSupportedFormat( $this->contentFormat ) ) {
throw new ErrorPageError(
'editpage-notsupportedcontentformat-title',
'editpage-notsupportedcontentformat-text',
[
wfEscapeWikiText( $this->contentFormat ),
wfEscapeWikiText( ContentHandler::getLocalizedName( $this->contentModel ) )
]
);
}
/**
* @todo Check if the desired model is allowed in this namespace, and if
* a transition from the page's current model to the new model is
* allowed.
*/
$this->editintro = $request->getText( 'editintro',
// Custom edit intro for new sections
$this->section === 'new' ? 'MediaWiki:addsection-editintro' : '' );
// Allow extensions to modify form data
Hooks::run( 'EditPage::importFormData', [ $this, $request ] );
}
/**
* Subpage overridable method for extracting the page content data from the
* posted form to be placed in $this->textbox1, if using customized input
* this method should be overridden and return the page text that will be used
* for saving, preview parsing and so on...
*
* @param WebRequest $request
* @return string|null
*/
protected function importContentFormData( &$request ) {
return; // Don't do anything, EditPage already extracted wpTextbox1
}
/**
* Initialise form fields in the object
* Called on the first invocation, e.g. when a user clicks an edit link
* @return bool If the requested section is valid
*/
public function initialiseForm() {
global $wgUser;
$this->edittime = $this->page->getTimestamp();
$this->editRevId = $this->page->getLatest();
$content = $this->getContentObject( false ); # TODO: track content object?!
if ( $content === false ) {
return false;
}
$this->textbox1 = $this->toEditText( $content );
// activate checkboxes if user wants them to be always active
# Sort out the "watch" checkbox
if ( $wgUser->getOption( 'watchdefault' ) ) {
# Watch all edits
$this->watchthis = true;
} elseif ( $wgUser->getOption( 'watchcreations' ) && !$this->mTitle->exists() ) {
# Watch creations
$this->watchthis = true;
} elseif ( $wgUser->isWatched( $this->mTitle ) ) {
# Already watched
$this->watchthis = true;
}
if ( $wgUser->getOption( 'minordefault' ) && !$this->isNew ) {
$this->minoredit = true;
}
if ( $this->textbox1 === false ) {
return false;
}
return true;
}
/**
* @param Content|null $def_content The default value to return
*
* @return Content|null Content on success, $def_content for invalid sections
*
* @since 1.21
*/
protected function getContentObject( $def_content = null ) {
global $wgOut, $wgRequest, $wgUser, $wgContLang;
$content = false;
// For message page not locally set, use the i18n message.
// For other non-existent articles, use preload text if any.
if ( !$this->mTitle->exists() || $this->section == 'new' ) {
if ( $this->mTitle->getNamespace() == NS_MEDIAWIKI && $this->section != 'new' ) {
# If this is a system message, get the default text.
$msg = $this->mTitle->getDefaultMessageText();
$content = $this->toEditContent( $msg );
}
if ( $content === false ) {
# If requested, preload some text.
$preload = $wgRequest->getVal( 'preload',
// Custom preload text for new sections
$this->section === 'new' ? 'MediaWiki:addsection-preload' : '' );
$params = $wgRequest->getArray( 'preloadparams', [] );
$content = $this->getPreloadedContent( $preload, $params );
}
// For existing pages, get text based on "undo" or section parameters.
} else {
if ( $this->section != '' ) {
// Get section edit text (returns $def_text for invalid sections)
$orig = $this->getOriginalContent( $wgUser );
$content = $orig ? $orig->getSection( $this->section ) : null;
if ( !$content ) {
$content = $def_content;
}
} else {
$undoafter = $wgRequest->getInt( 'undoafter' );
$undo = $wgRequest->getInt( 'undo' );
if ( $undo > 0 && $undoafter > 0 ) {
$undorev = Revision::newFromId( $undo );
$oldrev = Revision::newFromId( $undoafter );
# Sanity check, make sure it's the right page,
# the revisions exist and they were not deleted.
# Otherwise, $content will be left as-is.
if ( !is_null( $undorev ) && !is_null( $oldrev ) &&
!$undorev->isDeleted( Revision::DELETED_TEXT ) &&
!$oldrev->isDeleted( Revision::DELETED_TEXT )
) {
$content = $this->page->getUndoContent( $undorev, $oldrev );
if ( $content === false ) {
# Warn the user that something went wrong
$undoMsg = 'failure';
} else {
$oldContent = $this->page->getContent( Revision::RAW );
$popts = ParserOptions::newFromUserAndLang( $wgUser, $wgContLang );
$newContent = $content->preSaveTransform( $this->mTitle, $wgUser, $popts );
if ( $newContent->getModel() !== $oldContent->getModel() ) {
// The undo may change content
// model if its reverting the top
// edit. This can result in
// mismatched content model/format.
$this->contentModel = $newContent->getModel();
$this->contentFormat = $oldrev->getContentFormat();
}
if ( $newContent->equals( $oldContent ) ) {
# Tell the user that the undo results in no change,
# i.e. the revisions were already undone.
$undoMsg = 'nochange';
$content = false;
} else {
# Inform the user of our success and set an automatic edit summary
$undoMsg = 'success';
# If we just undid one rev, use an autosummary
$firstrev = $oldrev->getNext();
if ( $firstrev && $firstrev->getId() == $undo ) {
$userText = $undorev->getUserText();
if ( $userText === '' ) {
$undoSummary = $this->context->msg(
'undo-summary-username-hidden',
$undo
)->inContentLanguage()->text();
} else {
$undoSummary = $this->context->msg(
'undo-summary',
$undo,
$userText
)->inContentLanguage()->text();
}
if ( $this->summary === '' ) {
$this->summary = $undoSummary;
} else {
$this->summary = $undoSummary . $this->context->msg( 'colon-separator' )
->inContentLanguage()->text() . $this->summary;
}
$this->undidRev = $undo;
}
$this->formtype = 'diff';
}
}
} else {
// Failed basic sanity checks.
// Older revisions may have been removed since the link
// was created, or we may simply have got bogus input.
$undoMsg = 'norev';
}
// Messages: undo-success, undo-failure, undo-norev, undo-nochange
$class = ( $undoMsg == 'success' ? '' : 'error ' ) . "mw-undo-{$undoMsg}";
$this->editFormPageTop .= $wgOut->parse( "
', true, /* interface */true );
}
if ( $content === false ) {
$content = $this->getOriginalContent( $wgUser );
}
}
}
return $content;
}
/**
* Get the content of the wanted revision, without section extraction.
*
* The result of this function can be used to compare user's input with
* section replaced in its context (using WikiPage::replaceSectionAtRev())
* to the original text of the edit.
*
* This differs from Article::getContent() that when a missing revision is
* encountered the result will be null and not the
* 'missing-revision' message.
*
* @since 1.19
* @param User $user The user to get the revision for
* @return Content|null
*/
private function getOriginalContent( User $user ) {
if ( $this->section == 'new' ) {
return $this->getCurrentContent();
}
$revision = $this->mArticle->getRevisionFetched();
if ( $revision === null ) {
$handler = ContentHandler::getForModelID( $this->contentModel );
return $handler->makeEmptyContent();
}
$content = $revision->getContent( Revision::FOR_THIS_USER, $user );
return $content;
}
/**
* Get the edit's parent revision ID
*
* The "parent" revision is the ancestor that should be recorded in this
* page's revision history. It is either the revision ID of the in-memory
* article content, or in the case of a 3-way merge in order to rebase
* across a recoverable edit conflict, the ID of the newer revision to
* which we have rebased this page.
*
* @since 1.27
* @return int Revision ID
*/
public function getParentRevId() {
if ( $this->parentRevId ) {
return $this->parentRevId;
} else {
return $this->mArticle->getRevIdFetched();
}
}
/**
* Get the current content of the page. This is basically similar to
* WikiPage::getContent( Revision::RAW ) except that when the page doesn't exist an empty
* content object is returned instead of null.
*
* @since 1.21
* @return Content
*/
protected function getCurrentContent() {
$rev = $this->page->getRevision();
$content = $rev ? $rev->getContent( Revision::RAW ) : null;
if ( $content === false || $content === null ) {
$handler = ContentHandler::getForModelID( $this->contentModel );
return $handler->makeEmptyContent();
} elseif ( !$this->undidRev ) {
// Content models should always be the same since we error
// out if they are different before this point (in ->edit()).
// The exception being, during an undo, the current revision might
// differ from the prior revision.
$logger = LoggerFactory::getInstance( 'editpage' );
if ( $this->contentModel !== $rev->getContentModel() ) {
$logger->warning( "Overriding content model from current edit {prev} to {new}", [
'prev' => $this->contentModel,
'new' => $rev->getContentModel(),
'title' => $this->getTitle()->getPrefixedDBkey(),
'method' => __METHOD__
] );
$this->contentModel = $rev->getContentModel();
}
// Given that the content models should match, the current selected
// format should be supported.
if ( !$content->isSupportedFormat( $this->contentFormat ) ) {
$logger->warning( "Current revision content format unsupported. Overriding {prev} to {new}", [
'prev' => $this->contentFormat,
'new' => $rev->getContentFormat(),
'title' => $this->getTitle()->getPrefixedDBkey(),
'method' => __METHOD__
] );
$this->contentFormat = $rev->getContentFormat();
}
}
return $content;
}
/**
* Use this method before edit() to preload some content into the edit box
*
* @param Content $content
*
* @since 1.21
*/
public function setPreloadedContent( Content $content ) {
$this->mPreloadContent = $content;
}
/**
* Get the contents to be preloaded into the box, either set by
* an earlier setPreloadText() or by loading the given page.
*
* @param string $preload Representing the title to preload from.
* @param array $params Parameters to use (interface-message style) in the preloaded text
*
* @return Content
*
* @since 1.21
*/
protected function getPreloadedContent( $preload, $params = [] ) {
global $wgUser;
if ( !empty( $this->mPreloadContent ) ) {
return $this->mPreloadContent;
}
$handler = ContentHandler::getForModelID( $this->contentModel );
if ( $preload === '' ) {
return $handler->makeEmptyContent();
}
$title = Title::newFromText( $preload );
# Check for existence to avoid getting MediaWiki:Noarticletext
if ( $title === null || !$title->exists() || !$title->userCan( 'read', $wgUser ) ) {
// TODO: somehow show a warning to the user!
return $handler->makeEmptyContent();
}
$page = WikiPage::factory( $title );
if ( $page->isRedirect() ) {
$title = $page->getRedirectTarget();
# Same as before
if ( $title === null || !$title->exists() || !$title->userCan( 'read', $wgUser ) ) {
// TODO: somehow show a warning to the user!
return $handler->makeEmptyContent();
}
$page = WikiPage::factory( $title );
}
$parserOptions = ParserOptions::newFromUser( $wgUser );
$content = $page->getContent( Revision::RAW );
if ( !$content ) {
// TODO: somehow show a warning to the user!
return $handler->makeEmptyContent();
}
if ( $content->getModel() !== $handler->getModelID() ) {
$converted = $content->convert( $handler->getModelID() );
if ( !$converted ) {
// TODO: somehow show a warning to the user!
wfDebug( "Attempt to preload incompatible content: " .
"can't convert " . $content->getModel() .
" to " . $handler->getModelID() );
return $handler->makeEmptyContent();
}
$content = $converted;
}
return $content->preloadTransform( $title, $parserOptions, $params );
}
/**
* Make sure the form isn't faking a user's credentials.
*
* @param WebRequest $request
* @return bool
* @private
*/
public function tokenOk( &$request ) {
global $wgUser;
$token = $request->getVal( 'wpEditToken' );
$this->mTokenOk = $wgUser->matchEditToken( $token );
$this->mTokenOkExceptSuffix = $wgUser->matchEditTokenNoSuffix( $token );
return $this->mTokenOk;
}
/**
* Sets post-edit cookie indicating the user just saved a particular revision.
*
* This uses a temporary cookie for each revision ID so separate saves will never
* interfere with each other.
*
* Article::view deletes the cookie on server-side after the redirect and
* converts the value to the global JavaScript variable wgPostEdit.
*
* If the variable were set on the server, it would be cached, which is unwanted
* since the post-edit state should only apply to the load right after the save.
*
* @param int $statusValue The status value (to check for new article status)
*/
protected function setPostEditCookie( $statusValue ) {
$revisionId = $this->page->getLatest();
$postEditKey = self::POST_EDIT_COOKIE_KEY_PREFIX . $revisionId;
$val = 'saved';
if ( $statusValue == self::AS_SUCCESS_NEW_ARTICLE ) {
$val = 'created';
} elseif ( $this->oldid ) {
$val = 'restored';
}
$response = RequestContext::getMain()->getRequest()->response();
$response->setCookie( $postEditKey, $val, time() + self::POST_EDIT_COOKIE_DURATION );
}
/**
* Attempt submission
* @param array|bool $resultDetails See docs for $result in internalAttemptSave
* @throws UserBlockedError|ReadOnlyError|ThrottledError|PermissionsError
* @return Status The resulting status object.
*/
public function attemptSave( &$resultDetails = false ) {
global $wgUser;
# Allow bots to exempt some edits from bot flagging
$bot = $wgUser->isAllowed( 'bot' ) && $this->bot;
$status = $this->internalAttemptSave( $resultDetails, $bot );
Hooks::run( 'EditPage::attemptSave:after', [ $this, $status, $resultDetails ] );
return $status;
}
/**
* Log when a page was successfully saved after the edit conflict view
*/
private function incrementResolvedConflicts() {
global $wgRequest;
if ( $wgRequest->getText( 'mode' ) !== 'conflict' ) {
return;
}
$stats = MediaWikiServices::getInstance()->getStatsdDataFactory();
$stats->increment( 'edit.failures.conflict.resolved' );
}
/**
* Handle status, such as after attempt save
*
* @param Status $status
* @param array|bool $resultDetails
*
* @throws ErrorPageError
* @return bool False, if output is done, true if rest of the form should be displayed
*/
private function handleStatus( Status $status, $resultDetails ) {
global $wgUser, $wgOut;
/**
* @todo FIXME: once the interface for internalAttemptSave() is made
* nicer, this should use the message in $status
*/
if ( $status->value == self::AS_SUCCESS_UPDATE
|| $status->value == self::AS_SUCCESS_NEW_ARTICLE
) {
$this->incrementResolvedConflicts();
$this->didSave = true;
if ( !$resultDetails['nullEdit'] ) {
$this->setPostEditCookie( $status->value );
}
}
// "wpExtraQueryRedirect" is a hidden input to modify
// after save URL and is not used by actual edit form
$request = RequestContext::getMain()->getRequest();
$extraQueryRedirect = $request->getVal( 'wpExtraQueryRedirect' );
switch ( $status->value ) {
case self::AS_HOOK_ERROR_EXPECTED:
case self::AS_CONTENT_TOO_BIG:
case self::AS_ARTICLE_WAS_DELETED:
case self::AS_CONFLICT_DETECTED:
case self::AS_SUMMARY_NEEDED:
case self::AS_TEXTBOX_EMPTY:
case self::AS_MAX_ARTICLE_SIZE_EXCEEDED:
case self::AS_END:
case self::AS_BLANK_ARTICLE:
case self::AS_SELF_REDIRECT:
return true;
case self::AS_HOOK_ERROR:
return false;
case self::AS_CANNOT_USE_CUSTOM_MODEL:
case self::AS_PARSE_ERROR:
$wgOut->addWikiText( '
' . "\n" . $status->getWikiText() . '
' );
return true;
case self::AS_SUCCESS_NEW_ARTICLE:
$query = $resultDetails['redirect'] ? 'redirect=no' : '';
if ( $extraQueryRedirect ) {
if ( $query === '' ) {
$query = $extraQueryRedirect;
} else {
$query = $query . '&' . $extraQueryRedirect;
}
}
$anchor = isset( $resultDetails['sectionanchor'] ) ? $resultDetails['sectionanchor'] : '';
$wgOut->redirect( $this->mTitle->getFullURL( $query ) . $anchor );
return false;
case self::AS_SUCCESS_UPDATE:
$extraQuery = '';
$sectionanchor = $resultDetails['sectionanchor'];
// Give extensions a chance to modify URL query on update
Hooks::run(
'ArticleUpdateBeforeRedirect',
[ $this->mArticle, &$sectionanchor, &$extraQuery ]
);
if ( $resultDetails['redirect'] ) {
if ( $extraQuery == '' ) {
$extraQuery = 'redirect=no';
} else {
$extraQuery = 'redirect=no&' . $extraQuery;
}
}
if ( $extraQueryRedirect ) {
if ( $extraQuery === '' ) {
$extraQuery = $extraQueryRedirect;
} else {
$extraQuery = $extraQuery . '&' . $extraQueryRedirect;
}
}
$wgOut->redirect( $this->mTitle->getFullURL( $extraQuery ) . $sectionanchor );
return false;
case self::AS_SPAM_ERROR:
$this->spamPageWithContent( $resultDetails['spam'] );
return false;
case self::AS_BLOCKED_PAGE_FOR_USER:
throw new UserBlockedError( $wgUser->getBlock() );
case self::AS_IMAGE_REDIRECT_ANON:
case self::AS_IMAGE_REDIRECT_LOGGED:
throw new PermissionsError( 'upload' );
case self::AS_READ_ONLY_PAGE_ANON:
case self::AS_READ_ONLY_PAGE_LOGGED:
throw new PermissionsError( 'edit' );
case self::AS_READ_ONLY_PAGE:
throw new ReadOnlyError;
case self::AS_RATE_LIMITED:
throw new ThrottledError();
case self::AS_NO_CREATE_PERMISSION:
$permission = $this->mTitle->isTalkPage() ? 'createtalk' : 'createpage';
throw new PermissionsError( $permission );
case self::AS_NO_CHANGE_CONTENT_MODEL:
throw new PermissionsError( 'editcontentmodel' );
default:
// We don't recognize $status->value. The only way that can happen
// is if an extension hook aborted from inside ArticleSave.
// Render the status object into $this->hookError
// FIXME this sucks, we should just use the Status object throughout
$this->hookError = '
' ."\n" . $status->getWikiText() .
'
';
return true;
}
}
/**
* Run hooks that can filter edits just before they get saved.
*
* @param Content $content The Content to filter.
* @param Status $status For reporting the outcome to the caller
* @param User $user The user performing the edit
*
* @return bool
*/
protected function runPostMergeFilters( Content $content, Status $status, User $user ) {
// Run old style post-section-merge edit filter
if ( $this->hookError != '' ) {
# ...or the hook could be expecting us to produce an error
$status->fatal( 'hookaborted' );
$status->value = self::AS_HOOK_ERROR_EXPECTED;
return false;
}
// Run new style post-section-merge edit filter
if ( !Hooks::run( 'EditFilterMergedContent',
[ $this->mArticle->getContext(), $content, $status, $this->summary,
$user, $this->minoredit ] )
) {
# Error messages etc. could be handled within the hook...
if ( $status->isGood() ) {
$status->fatal( 'hookaborted' );
// Not setting $this->hookError here is a hack to allow the hook
// to cause a return to the edit page without $this->hookError
// being set. This is used by ConfirmEdit to display a captcha
// without any error message cruft.
} else {
$this->hookError = $status->getWikiText();
}
// Use the existing $status->value if the hook set it
if ( !$status->value ) {
$status->value = self::AS_HOOK_ERROR;
}
return false;
} elseif ( !$status->isOK() ) {
# ...or the hook could be expecting us to produce an error
// FIXME this sucks, we should just use the Status object throughout
$this->hookError = $status->getWikiText();
$status->fatal( 'hookaborted' );
$status->value = self::AS_HOOK_ERROR_EXPECTED;
return false;
}
return true;
}
/**
* Return the summary to be used for a new section.
*
* @param string $sectionanchor Set to the section anchor text
* @return string
*/
private function newSectionSummary( &$sectionanchor = null ) {
global $wgParser;
if ( $this->sectiontitle !== '' ) {
$sectionanchor = $wgParser->guessLegacySectionNameFromWikiText( $this->sectiontitle );
// If no edit summary was specified, create one automatically from the section
// title and have it link to the new section. Otherwise, respect the summary as
// passed.
if ( $this->summary === '' ) {
$cleanSectionTitle = $wgParser->stripSectionName( $this->sectiontitle );
return $this->context->msg( 'newsectionsummary' )
->rawParams( $cleanSectionTitle )->inContentLanguage()->text();
}
} elseif ( $this->summary !== '' ) {
$sectionanchor = $wgParser->guessLegacySectionNameFromWikiText( $this->summary );
# This is a new section, so create a link to the new section
# in the revision summary.
$cleanSummary = $wgParser->stripSectionName( $this->summary );
return $this->context->msg( 'newsectionsummary' )
->rawParams( $cleanSummary )->inContentLanguage()->text();
}
return $this->summary;
}
/**
* Attempt submission (no UI)
*
* @param array $result Array to add statuses to, currently with the
* possible keys:
* - spam (string): Spam string from content if any spam is detected by
* matchSpamRegex.
* - sectionanchor (string): Section anchor for a section save.
* - nullEdit (boolean): Set if doEditContent is OK. True if null edit,
* false otherwise.
* - redirect (bool): Set if doEditContent is OK. True if resulting
* revision is a redirect.
* @param bool $bot True if edit is being made under the bot right.
*
* @return Status Status object, possibly with a message, but always with
* one of the AS_* constants in $status->value,
*
* @todo FIXME: This interface is TERRIBLE, but hard to get rid of due to
* various error display idiosyncrasies. There are also lots of cases
* where error metadata is set in the object and retrieved later instead
* of being returned, e.g. AS_CONTENT_TOO_BIG and
* AS_BLOCKED_PAGE_FOR_USER. All that stuff needs to be cleaned up some
* time.
*/
public function internalAttemptSave( &$result, $bot = false ) {
global $wgUser, $wgRequest, $wgParser, $wgMaxArticleSize;
global $wgContentHandlerUseDB;
$status = Status::newGood();
if ( !Hooks::run( 'EditPage::attemptSave', [ $this ] ) ) {
wfDebug( "Hook 'EditPage::attemptSave' aborted article saving\n" );
$status->fatal( 'hookaborted' );
$status->value = self::AS_HOOK_ERROR;
return $status;
}
$spam = $wgRequest->getText( 'wpAntispam' );
if ( $spam !== '' ) {
wfDebugLog(
'SimpleAntiSpam',
$wgUser->getName() .
' editing "' .
$this->mTitle->getPrefixedText() .
'" submitted bogus field "' .
$spam .
'"'
);
$status->fatal( 'spamprotectionmatch', false );
$status->value = self::AS_SPAM_ERROR;
return $status;
}
try {
# Construct Content object
$textbox_content = $this->toEditContent( $this->textbox1 );
} catch ( MWContentSerializationException $ex ) {
$status->fatal(
'content-failed-to-parse',
$this->contentModel,
$this->contentFormat,
$ex->getMessage()
);
$status->value = self::AS_PARSE_ERROR;
return $status;
}
# Check image redirect
if ( $this->mTitle->getNamespace() == NS_FILE &&
$textbox_content->isRedirect() &&
!$wgUser->isAllowed( 'upload' )
) {
$code = $wgUser->isAnon() ? self::AS_IMAGE_REDIRECT_ANON : self::AS_IMAGE_REDIRECT_LOGGED;
$status->setResult( false, $code );
return $status;
}
# Check for spam
$match = self::matchSummarySpamRegex( $this->summary );
if ( $match === false && $this->section == 'new' ) {
# $wgSpamRegex is enforced on this new heading/summary because, unlike
# regular summaries, it is added to the actual wikitext.
if ( $this->sectiontitle !== '' ) {
# This branch is taken when the API is used with the 'sectiontitle' parameter.
$match = self::matchSpamRegex( $this->sectiontitle );
} else {
# This branch is taken when the "Add Topic" user interface is used, or the API
# is used with the 'summary' parameter.
$match = self::matchSpamRegex( $this->summary );
}
}
if ( $match === false ) {
$match = self::matchSpamRegex( $this->textbox1 );
}
if ( $match !== false ) {
$result['spam'] = $match;
$ip = $wgRequest->getIP();
$pdbk = $this->mTitle->getPrefixedDBkey();
$match = str_replace( "\n", '', $match );
wfDebugLog( 'SpamRegex', "$ip spam regex hit [[$pdbk]]: \"$match\"" );
$status->fatal( 'spamprotectionmatch', $match );
$status->value = self::AS_SPAM_ERROR;
return $status;
}
if ( !Hooks::run(
'EditFilter',
[ $this, $this->textbox1, $this->section, &$this->hookError, $this->summary ] )
) {
# Error messages etc. could be handled within the hook...
$status->fatal( 'hookaborted' );
$status->value = self::AS_HOOK_ERROR;
return $status;
} elseif ( $this->hookError != '' ) {
# ...or the hook could be expecting us to produce an error
$status->fatal( 'hookaborted' );
$status->value = self::AS_HOOK_ERROR_EXPECTED;
return $status;
}
if ( $wgUser->isBlockedFrom( $this->mTitle, false ) ) {
// Auto-block user's IP if the account was "hard" blocked
if ( !wfReadOnly() ) {
$wgUser->spreadAnyEditBlock();
}
# Check block state against master, thus 'false'.
$status->setResult( false, self::AS_BLOCKED_PAGE_FOR_USER );
return $status;
}
$this->contentLength = strlen( $this->textbox1 );
if ( $this->contentLength > $wgMaxArticleSize * 1024 ) {
// Error will be displayed by showEditForm()
$this->tooBig = true;
$status->setResult( false, self::AS_CONTENT_TOO_BIG );
return $status;
}
if ( !$wgUser->isAllowed( 'edit' ) ) {
if ( $wgUser->isAnon() ) {
$status->setResult( false, self::AS_READ_ONLY_PAGE_ANON );
return $status;
} else {
$status->fatal( 'readonlytext' );
$status->value = self::AS_READ_ONLY_PAGE_LOGGED;
return $status;
}
}
$changingContentModel = false;
if ( $this->contentModel !== $this->mTitle->getContentModel() ) {
if ( !$wgContentHandlerUseDB ) {
$status->fatal( 'editpage-cannot-use-custom-model' );
$status->value = self::AS_CANNOT_USE_CUSTOM_MODEL;
return $status;
} elseif ( !$wgUser->isAllowed( 'editcontentmodel' ) ) {
$status->setResult( false, self::AS_NO_CHANGE_CONTENT_MODEL );
return $status;
}
// Make sure the user can edit the page under the new content model too
$titleWithNewContentModel = clone $this->mTitle;
$titleWithNewContentModel->setContentModel( $this->contentModel );
if ( !$titleWithNewContentModel->userCan( 'editcontentmodel', $wgUser )
|| !$titleWithNewContentModel->userCan( 'edit', $wgUser )
) {
$status->setResult( false, self::AS_NO_CHANGE_CONTENT_MODEL );
return $status;
}
$changingContentModel = true;
$oldContentModel = $this->mTitle->getContentModel();
}
if ( $this->changeTags ) {
$changeTagsStatus = ChangeTags::canAddTagsAccompanyingChange(
$this->changeTags, $wgUser );
if ( !$changeTagsStatus->isOK() ) {
$changeTagsStatus->value = self::AS_CHANGE_TAG_ERROR;
return $changeTagsStatus;
}
}
if ( wfReadOnly() ) {
$status->fatal( 'readonlytext' );
$status->value = self::AS_READ_ONLY_PAGE;
return $status;
}
if ( $wgUser->pingLimiter() || $wgUser->pingLimiter( 'linkpurge', 0 )
|| ( $changingContentModel && $wgUser->pingLimiter( 'editcontentmodel' ) )
) {
$status->fatal( 'actionthrottledtext' );
$status->value = self::AS_RATE_LIMITED;
return $status;
}
# If the article has been deleted while editing, don't save it without
# confirmation
if ( $this->wasDeletedSinceLastEdit() && !$this->recreate ) {
$status->setResult( false, self::AS_ARTICLE_WAS_DELETED );
return $status;
}
# Load the page data from the master. If anything changes in the meantime,
# we detect it by using page_latest like a token in a 1 try compare-and-swap.
$this->page->loadPageData( 'fromdbmaster' );
$new = !$this->page->exists();
if ( $new ) {
// Late check for create permission, just in case *PARANOIA*
if ( !$this->mTitle->userCan( 'create', $wgUser ) ) {
$status->fatal( 'nocreatetext' );
$status->value = self::AS_NO_CREATE_PERMISSION;
wfDebug( __METHOD__ . ": no create permission\n" );
return $status;
}
// Don't save a new page if it's blank or if it's a MediaWiki:
// message with content equivalent to default (allow empty pages
// in this case to disable messages, see T52124)
$defaultMessageText = $this->mTitle->getDefaultMessageText();
if ( $this->mTitle->getNamespace() === NS_MEDIAWIKI && $defaultMessageText !== false ) {
$defaultText = $defaultMessageText;
} else {
$defaultText = '';
}
if ( !$this->allowBlankArticle && $this->textbox1 === $defaultText ) {
$this->blankArticle = true;
$status->fatal( 'blankarticle' );
$status->setResult( false, self::AS_BLANK_ARTICLE );
return $status;
}
if ( !$this->runPostMergeFilters( $textbox_content, $status, $wgUser ) ) {
return $status;
}
$content = $textbox_content;
$result['sectionanchor'] = '';
if ( $this->section == 'new' ) {
if ( $this->sectiontitle !== '' ) {
// Insert the section title above the content.
$content = $content->addSectionHeader( $this->sectiontitle );
} elseif ( $this->summary !== '' ) {
// Insert the section title above the content.
$content = $content->addSectionHeader( $this->summary );
}
$this->summary = $this->newSectionSummary( $result['sectionanchor'] );
}
$status->value = self::AS_SUCCESS_NEW_ARTICLE;
} else { # not $new
# Article exists. Check for edit conflict.
$this->page->clear(); # Force reload of dates, etc.
$timestamp = $this->page->getTimestamp();
$latest = $this->page->getLatest();
wfDebug( "timestamp: {$timestamp}, edittime: {$this->edittime}\n" );
// Check editRevId if set, which handles same-second timestamp collisions
if ( $timestamp != $this->edittime
|| ( $this->editRevId !== null && $this->editRevId != $latest )
) {
$this->isConflict = true;
if ( $this->section == 'new' ) {
if ( $this->page->getUserText() == $wgUser->getName() &&
$this->page->getComment() == $this->newSectionSummary()
) {
// Probably a duplicate submission of a new comment.
// This can happen when CDN resends a request after
// a timeout but the first one actually went through.
wfDebug( __METHOD__
. ": duplicate new section submission; trigger edit conflict!\n" );
} else {
// New comment; suppress conflict.
$this->isConflict = false;
wfDebug( __METHOD__ . ": conflict suppressed; new section\n" );
}
} elseif ( $this->section == ''
&& Revision::userWasLastToEdit(
DB_MASTER, $this->mTitle->getArticleID(),
$wgUser->getId(), $this->edittime
)
) {
# Suppress edit conflict with self, except for section edits where merging is required.
wfDebug( __METHOD__ . ": Suppressing edit conflict, same user.\n" );
$this->isConflict = false;
}
}
// If sectiontitle is set, use it, otherwise use the summary as the section title.
if ( $this->sectiontitle !== '' ) {
$sectionTitle = $this->sectiontitle;
} else {
$sectionTitle = $this->summary;
}
$content = null;
if ( $this->isConflict ) {
wfDebug( __METHOD__
. ": conflict! getting section '{$this->section}' for time '{$this->edittime}'"
. " (id '{$this->editRevId}') (article time '{$timestamp}')\n" );
// @TODO: replaceSectionAtRev() with base ID (not prior current) for ?oldid=X case
// ...or disable section editing for non-current revisions (not exposed anyway).
if ( $this->editRevId !== null ) {
$content = $this->page->replaceSectionAtRev(
$this->section,
$textbox_content,
$sectionTitle,
$this->editRevId
);
} else {
$content = $this->page->replaceSectionContent(
$this->section,
$textbox_content,
$sectionTitle,
$this->edittime
);
}
} else {
wfDebug( __METHOD__ . ": getting section '{$this->section}'\n" );
$content = $this->page->replaceSectionContent(
$this->section,
$textbox_content,
$sectionTitle
);
}
if ( is_null( $content ) ) {
wfDebug( __METHOD__ . ": activating conflict; section replace failed.\n" );
$this->isConflict = true;
$content = $textbox_content; // do not try to merge here!
} elseif ( $this->isConflict ) {
# Attempt merge
if ( $this->mergeChangesIntoContent( $content ) ) {
// Successful merge! Maybe we should tell the user the good news?
$this->isConflict = false;
wfDebug( __METHOD__ . ": Suppressing edit conflict, successful merge.\n" );
} else {
$this->section = '';
$this->textbox1 = ContentHandler::getContentText( $content );
wfDebug( __METHOD__ . ": Keeping edit conflict, failed merge.\n" );
}
}
if ( $this->isConflict ) {
$status->setResult( false, self::AS_CONFLICT_DETECTED );
return $status;
}
if ( !$this->runPostMergeFilters( $content, $status, $wgUser ) ) {
return $status;
}
if ( $this->section == 'new' ) {
// Handle the user preference to force summaries here
if ( !$this->allowBlankSummary && trim( $this->summary ) == '' ) {
$this->missingSummary = true;
$status->fatal( 'missingsummary' ); // or 'missingcommentheader' if $section == 'new'. Blegh
$status->value = self::AS_SUMMARY_NEEDED;
return $status;
}
// Do not allow the user to post an empty comment
if ( $this->textbox1 == '' ) {
$this->missingComment = true;
$status->fatal( 'missingcommenttext' );
$status->value = self::AS_TEXTBOX_EMPTY;
return $status;
}
} elseif ( !$this->allowBlankSummary
&& !$content->equals( $this->getOriginalContent( $wgUser ) )
&& !$content->isRedirect()
&& md5( $this->summary ) == $this->autoSumm
) {
$this->missingSummary = true;
$status->fatal( 'missingsummary' );
$status->value = self::AS_SUMMARY_NEEDED;
return $status;
}
# All's well
$sectionanchor = '';
if ( $this->section == 'new' ) {
$this->summary = $this->newSectionSummary( $sectionanchor );
} elseif ( $this->section != '' ) {
# Try to get a section anchor from the section source, redirect
# to edited section if header found.
# XXX: Might be better to integrate this into Article::replaceSectionAtRev
# for duplicate heading checking and maybe parsing.
$hasmatch = preg_match( "/^ *([=]{1,6})(.*?)(\\1) *\\n/i", $this->textbox1, $matches );
# We can't deal with anchors, includes, html etc in the header for now,
# headline would need to be parsed to improve this.
if ( $hasmatch && strlen( $matches[2] ) > 0 ) {
$sectionanchor = $wgParser->guessLegacySectionNameFromWikiText( $matches[2] );
}
}
$result['sectionanchor'] = $sectionanchor;
// Save errors may fall down to the edit form, but we've now
// merged the section into full text. Clear the section field
// so that later submission of conflict forms won't try to
// replace that into a duplicated mess.
$this->textbox1 = $this->toEditText( $content );
$this->section = '';
$status->value = self::AS_SUCCESS_UPDATE;
}
if ( !$this->allowSelfRedirect
&& $content->isRedirect()
&& $content->getRedirectTarget()->equals( $this->getTitle() )
) {
// If the page already redirects to itself, don't warn.
$currentTarget = $this->getCurrentContent()->getRedirectTarget();
if ( !$currentTarget || !$currentTarget->equals( $this->getTitle() ) ) {
$this->selfRedirect = true;
$status->fatal( 'selfredirect' );
$status->value = self::AS_SELF_REDIRECT;
return $status;
}
}
// Check for length errors again now that the section is merged in
$this->contentLength = strlen( $this->toEditText( $content ) );
if ( $this->contentLength > $wgMaxArticleSize * 1024 ) {
$this->tooBig = true;
$status->setResult( false, self::AS_MAX_ARTICLE_SIZE_EXCEEDED );
return $status;
}
$flags = EDIT_AUTOSUMMARY |
( $new ? EDIT_NEW : EDIT_UPDATE ) |
( ( $this->minoredit && !$this->isNew ) ? EDIT_MINOR : 0 ) |
( $bot ? EDIT_FORCE_BOT : 0 );
$doEditStatus = $this->page->doEditContent(
$content,
$this->summary,
$flags,
false,
$wgUser,
$content->getDefaultFormat(),
$this->changeTags,
$this->undidRev
);
if ( !$doEditStatus->isOK() ) {
// Failure from doEdit()
// Show the edit conflict page for certain recognized errors from doEdit(),
// but don't show it for errors from extension hooks
$errors = $doEditStatus->getErrorsArray();
if ( in_array( $errors[0][0],
[ 'edit-gone-missing', 'edit-conflict', 'edit-already-exists' ] )
) {
$this->isConflict = true;
// Destroys data doEdit() put in $status->value but who cares
$doEditStatus->value = self::AS_END;
}
return $doEditStatus;
}
$result['nullEdit'] = $doEditStatus->hasMessage( 'edit-no-change' );
if ( $result['nullEdit'] ) {
// We don't know if it was a null edit until now, so increment here
$wgUser->pingLimiter( 'linkpurge' );
}
$result['redirect'] = $content->isRedirect();
$this->updateWatchlist();
// If the content model changed, add a log entry
if ( $changingContentModel ) {
$this->addContentModelChangeLogEntry(
$wgUser,
$new ? false : $oldContentModel,
$this->contentModel,
$this->summary
);
}
return $status;
}
/**
* @param User $user
* @param string|false $oldModel false if the page is being newly created
* @param string $newModel
* @param string $reason
*/
protected function addContentModelChangeLogEntry( User $user, $oldModel, $newModel, $reason ) {
$new = $oldModel === false;
$log = new ManualLogEntry( 'contentmodel', $new ? 'new' : 'change' );
$log->setPerformer( $user );
$log->setTarget( $this->mTitle );
$log->setComment( $reason );
$log->setParameters( [
'4::oldmodel' => $oldModel,
'5::newmodel' => $newModel
] );
$logid = $log->insert();
$log->publish( $logid );
}
/**
* Register the change of watch status
*/
protected function updateWatchlist() {
global $wgUser;
if ( !$wgUser->isLoggedIn() ) {
return;
}
$user = $wgUser;
$title = $this->mTitle;
$watch = $this->watchthis;
// Do this in its own transaction to reduce contention...
DeferredUpdates::addCallableUpdate( function () use ( $user, $title, $watch ) {
if ( $watch == $user->isWatched( $title, User::IGNORE_USER_RIGHTS ) ) {
return; // nothing to change
}
WatchAction::doWatchOrUnwatch( $watch, $title, $user );
} );
}
/**
* Attempts to do 3-way merge of edit content with a base revision
* and current content, in case of edit conflict, in whichever way appropriate
* for the content type.
*
* @since 1.21
*
* @param Content $editContent
*
* @return bool
*/
private function mergeChangesIntoContent( &$editContent ) {
$db = wfGetDB( DB_MASTER );
// This is the revision the editor started from
$baseRevision = $this->getBaseRevision();
$baseContent = $baseRevision ? $baseRevision->getContent() : null;
if ( is_null( $baseContent ) ) {
return false;
}
// The current state, we want to merge updates into it
$currentRevision = Revision::loadFromTitle( $db, $this->mTitle );
$currentContent = $currentRevision ? $currentRevision->getContent() : null;
if ( is_null( $currentContent ) ) {
return false;
}
$handler = ContentHandler::getForModelID( $baseContent->getModel() );
$result = $handler->merge3( $baseContent, $editContent, $currentContent );
if ( $result ) {
$editContent = $result;
// Update parentRevId to what we just merged.
$this->parentRevId = $currentRevision->getId();
return true;
}
return false;
}
/**
* @note: this method is very poorly named. If the user opened the form with ?oldid=X,
* one might think of X as the "base revision", which is NOT what this returns.
* @return Revision Current version when the edit was started
*/
public function getBaseRevision() {
if ( !$this->mBaseRevision ) {
$db = wfGetDB( DB_MASTER );
$this->mBaseRevision = $this->editRevId
? Revision::newFromId( $this->editRevId, Revision::READ_LATEST )
: Revision::loadFromTimestamp( $db, $this->mTitle, $this->edittime );
}
return $this->mBaseRevision;
}
/**
* Check given input text against $wgSpamRegex, and return the text of the first match.
*
* @param string $text
*
* @return string|bool Matching string or false
*/
public static function matchSpamRegex( $text ) {
global $wgSpamRegex;
// For back compatibility, $wgSpamRegex may be a single string or an array of regexes.
$regexes = (array)$wgSpamRegex;
return self::matchSpamRegexInternal( $text, $regexes );
}
/**
* Check given input text against $wgSummarySpamRegex, and return the text of the first match.
*
* @param string $text
*
* @return string|bool Matching string or false
*/
public static function matchSummarySpamRegex( $text ) {
global $wgSummarySpamRegex;
$regexes = (array)$wgSummarySpamRegex;
return self::matchSpamRegexInternal( $text, $regexes );
}
/**
* @param string $text
* @param array $regexes
* @return bool|string
*/
protected static function matchSpamRegexInternal( $text, $regexes ) {
foreach ( $regexes as $regex ) {
$matches = [];
if ( preg_match( $regex, $text, $matches ) ) {
return $matches[0];
}
}
return false;
}
public function setHeaders() {
global $wgOut, $wgUser, $wgAjaxEditStash;
$wgOut->addModules( 'mediawiki.action.edit' );
$wgOut->addModuleStyles( 'mediawiki.action.edit.styles' );
if ( $wgUser->getOption( 'showtoolbar' ) ) {
// The addition of default buttons is handled by getEditToolbar() which
// has its own dependency on this module. The call here ensures the module
// is loaded in time (it has position "top") for other modules to register
// buttons (e.g. extensions, gadgets, user scripts).
$wgOut->addModules( 'mediawiki.toolbar' );
}
if ( $wgUser->getOption( 'uselivepreview' ) ) {
$wgOut->addModules( 'mediawiki.action.edit.preview' );
}
if ( $wgUser->getOption( 'useeditwarning' ) ) {
$wgOut->addModules( 'mediawiki.action.edit.editWarning' );
}
# Enabled article-related sidebar, toplinks, etc.
$wgOut->setArticleRelated( true );
$contextTitle = $this->getContextTitle();
if ( $this->isConflict ) {
$msg = 'editconflict';
} elseif ( $contextTitle->exists() && $this->section != '' ) {
$msg = $this->section == 'new' ? 'editingcomment' : 'editingsection';
} else {
$msg = $contextTitle->exists()
|| ( $contextTitle->getNamespace() == NS_MEDIAWIKI
&& $contextTitle->getDefaultMessageText() !== false
)
? 'editing'
: 'creating';
}
# Use the title defined by DISPLAYTITLE magic word when present
# NOTE: getDisplayTitle() returns HTML while getPrefixedText() returns plain text.
# setPageTitle() treats the input as wikitext, which should be safe in either case.
$displayTitle = isset( $this->mParserOutput ) ? $this->mParserOutput->getDisplayTitle() : false;
if ( $displayTitle === false ) {
$displayTitle = $contextTitle->getPrefixedText();
}
$wgOut->setPageTitle( $this->context->msg( $msg, $displayTitle ) );
# Transmit the name of the message to JavaScript for live preview
# Keep Resources.php/mediawiki.action.edit.preview in sync with the possible keys
$wgOut->addJsConfigVars( [
'wgEditMessage' => $msg,
'wgAjaxEditStash' => $wgAjaxEditStash,
] );
}
/**
* Show all applicable editing introductions
*/
protected function showIntro() {
global $wgOut, $wgUser;
if ( $this->suppressIntro ) {
return;
}
$namespace = $this->mTitle->getNamespace();
if ( $namespace == NS_MEDIAWIKI ) {
# Show a warning if editing an interface message
$wgOut->wrapWikiMsg( "
\n$1\n
", 'editinginterface' );
# If this is a default message (but not css or js),
# show a hint that it is translatable on translatewiki.net
if ( !$this->mTitle->hasContentModel( CONTENT_MODEL_CSS )
&& !$this->mTitle->hasContentModel( CONTENT_MODEL_JAVASCRIPT )
) {
$defaultMessageText = $this->mTitle->getDefaultMessageText();
if ( $defaultMessageText !== false ) {
$wgOut->wrapWikiMsg( "
\n$1\n
",
'translateinterface' );
}
}
} elseif ( $namespace == NS_FILE ) {
# Show a hint to shared repo
$file = wfFindFile( $this->mTitle );
if ( $file && !$file->isLocal() ) {
$descUrl = $file->getDescriptionUrl();
# there must be a description url to show a hint to shared repo
if ( $descUrl ) {
if ( !$this->mTitle->exists() ) {
$wgOut->wrapWikiMsg( "
", [
'sharedupload-desc-edit', $file->getRepo()->getDisplayName(), $descUrl
] );
}
}
}
}
# Show a warning message when someone creates/edits a user (talk) page but the user does not exist
# Show log extract when the user is currently blocked
if ( $namespace == NS_USER || $namespace == NS_USER_TALK ) {
$username = explode( '/', $this->mTitle->getText(), 2 )[0];
$user = User::newFromName( $username, false /* allow IP users */ );
$ip = User::isIP( $username );
$block = Block::newFromTarget( $user, $user );
if ( !( $user && $user->isLoggedIn() ) && !$ip ) { # User does not exist
$wgOut->wrapWikiMsg( "
\n$1\n
",
[ 'userpage-userdoesnotexist', wfEscapeWikiText( $username ) ] );
} elseif ( !is_null( $block ) && $block->getType() != Block::TYPE_AUTO ) {
# Show log extract if the user is currently blocked
LogEventsList::showLogExtract(
$wgOut,
'block',
MWNamespace::getCanonicalName( NS_USER ) . ':' . $block->getTarget(),
'',
[
'lim' => 1,
'showIfEmpty' => false,
'msgKey' => [
'blocked-notice-logextract',
$user->getName() # Support GENDER in notice
]
]
);
}
}
# Try to add a custom edit intro, or use the standard one if this is not possible.
if ( !$this->showCustomIntro() && !$this->mTitle->exists() ) {
$helpLink = wfExpandUrl( Skin::makeInternalOrExternalUrl(
$this->context->msg( 'helppage' )->inContentLanguage()->text()
) );
if ( $wgUser->isLoggedIn() ) {
$wgOut->wrapWikiMsg(
// Suppress the external link icon, consider the help url an internal one
"
\n$1\n
",
[
'newarticletext',
$helpLink
]
);
} else {
$wgOut->wrapWikiMsg(
// Suppress the external link icon, consider the help url an internal one
"
\n$1\n
",
[
'newarticletextanon',
$helpLink
]
);
}
}
# Give a notice if the user is editing a deleted/moved page...
if ( !$this->mTitle->exists() ) {
$dbr = wfGetDB( DB_REPLICA );
LogEventsList::showLogExtract( $wgOut, [ 'delete', 'move' ], $this->mTitle,
'',
[
'lim' => 10,
'conds' => [ 'log_action != ' . $dbr->addQuotes( 'revision' ) ],
'showIfEmpty' => false,
'msgKey' => [ 'recreate-moveddeleted-warn' ]
]
);
}
}
/**
* Attempt to show a custom editing introduction, if supplied
*
* @return bool
*/
protected function showCustomIntro() {
if ( $this->editintro ) {
$title = Title::newFromText( $this->editintro );
if ( $title instanceof Title && $title->exists() && $title->userCan( 'read' ) ) {
global $wgOut;
// Added using template syntax, to take 's into account.
$wgOut->addWikiTextTitleTidy(
'
{{:' . $title->getFullText() . '}}
',
$this->mTitle
);
return true;
}
}
return false;
}
/**
* Gets an editable textual representation of $content.
* The textual representation can be turned by into a Content object by the
* toEditContent() method.
*
* If $content is null or false or a string, $content is returned unchanged.
*
* If the given Content object is not of a type that can be edited using
* the text base EditPage, an exception will be raised. Set
* $this->allowNonTextContent to true to allow editing of non-textual
* content.
*
* @param Content|null|bool|string $content
* @return string The editable text form of the content.
*
* @throws MWException If $content is not an instance of TextContent and
* $this->allowNonTextContent is not true.
*/
protected function toEditText( $content ) {
if ( $content === null || $content === false || is_string( $content ) ) {
return $content;
}
if ( !$this->isSupportedContentModel( $content->getModel() ) ) {
throw new MWException( 'This content model is not supported: ' . $content->getModel() );
}
return $content->serialize( $this->contentFormat );
}
/**
* Turns the given text into a Content object by unserializing it.
*
* If the resulting Content object is not of a type that can be edited using
* the text base EditPage, an exception will be raised. Set
* $this->allowNonTextContent to true to allow editing of non-textual
* content.
*
* @param string|null|bool $text Text to unserialize
* @return Content|bool|null The content object created from $text. If $text was false
* or null, false resp. null will be returned instead.
*
* @throws MWException If unserializing the text results in a Content
* object that is not an instance of TextContent and
* $this->allowNonTextContent is not true.
*/
protected function toEditContent( $text ) {
if ( $text === false || $text === null ) {
return $text;
}
$content = ContentHandler::makeContent( $text, $this->getTitle(),
$this->contentModel, $this->contentFormat );
if ( !$this->isSupportedContentModel( $content->getModel() ) ) {
throw new MWException( 'This content model is not supported: ' . $content->getModel() );
}
return $content;
}
/**
* Send the edit form and related headers to $wgOut
* @param callable|null $formCallback That takes an OutputPage parameter; will be called
* during form output near the top, for captchas and the like.
*
* The $formCallback parameter is deprecated since MediaWiki 1.25. Please
* use the EditPage::showEditForm:fields hook instead.
*/
public function showEditForm( $formCallback = null ) {
global $wgOut, $wgUser;
# need to parse the preview early so that we know which templates are used,
# otherwise users with "show preview after edit box" will get a blank list
# we parse this near the beginning so that setHeaders can do the title
# setting work instead of leaving it in getPreviewText
$previewOutput = '';
if ( $this->formtype == 'preview' ) {
$previewOutput = $this->getPreviewText();
}
// Avoid PHP 7.1 warning of passing $this by reference
$editPage = $this;
Hooks::run( 'EditPage::showEditForm:initial', [ &$editPage, &$wgOut ] );
$this->setHeaders();
$this->addTalkPageText();
$this->addEditNotices();
if ( !$this->isConflict &&
$this->section != '' &&
!$this->isSectionEditSupported() ) {
// We use $this->section to much before this and getVal('wgSection') directly in other places
// at this point we can't reset $this->section to '' to fallback to non-section editing.
// Someone is welcome to try refactoring though
$wgOut->showErrorPage( 'sectioneditnotsupported-title', 'sectioneditnotsupported-text' );
return;
}
$this->showHeader();
$wgOut->addHTML( $this->editFormPageTop );
if ( $wgUser->getOption( 'previewontop' ) ) {
$this->displayPreviewArea( $previewOutput, true );
}
$wgOut->addHTML( $this->editFormTextTop );
$showToolbar = true;
if ( $this->wasDeletedSinceLastEdit() ) {
if ( $this->formtype == 'save' ) {
// Hide the toolbar and edit area, user can click preview to get it back
// Add an confirmation checkbox and explanation.
$showToolbar = false;
} else {
$wgOut->wrapWikiMsg( "
\n$1\n
",
'deletedwhileediting' );
}
}
// @todo add EditForm plugin interface and use it here!
// search for textarea1 and textarea2, and allow EditForm to override all uses.
$wgOut->addHTML( Html::openElement(
'form',
[
'class' => $this->oouiEnabled ? 'mw-editform-ooui' : 'mw-editform-legacy',
'id' => self::EDITFORM_ID,
'name' => self::EDITFORM_ID,
'method' => 'post',
'action' => $this->getActionURL( $this->getContextTitle() ),
'enctype' => 'multipart/form-data'
]
) );
if ( is_callable( $formCallback ) ) {
wfWarn( 'The $formCallback parameter to ' . __METHOD__ . 'is deprecated' );
call_user_func_array( $formCallback, [ &$wgOut ] );
}
// Add an empty field to trip up spambots
$wgOut->addHTML(
Xml::openElement( 'div', [ 'id' => 'antispam-container', 'style' => 'display: none;' ] )
. Html::rawElement(
'label',
[ 'for' => 'wpAntispam' ],
$this->context->msg( 'simpleantispam-label' )->parse()
)
. Xml::element(
'input',
[
'type' => 'text',
'name' => 'wpAntispam',
'id' => 'wpAntispam',
'value' => ''
]
)
. Xml::closeElement( 'div' )
);
// Avoid PHP 7.1 warning of passing $this by reference
$editPage = $this;
Hooks::run( 'EditPage::showEditForm:fields', [ &$editPage, &$wgOut ] );
// Put these up at the top to ensure they aren't lost on early form submission
$this->showFormBeforeText();
if ( $this->wasDeletedSinceLastEdit() && 'save' == $this->formtype ) {
$username = $this->lastDelete->user_name;
$comment = $this->lastDelete->log_comment;
// It is better to not parse the comment at all than to have templates expanded in the middle
// TODO: can the checkLabel be moved outside of the div so that wrapWikiMsg could be used?
$key = $comment === ''
? 'confirmrecreate-noreason'
: 'confirmrecreate';
$wgOut->addHTML(
'
'
);
}
# When the summary is hidden, also hide them on preview/show changes
if ( $this->nosummary ) {
$wgOut->addHTML( Html::hidden( 'nosummary', true ) );
}
# If a blank edit summary was previously provided, and the appropriate
# user preference is active, pass a hidden tag as wpIgnoreBlankSummary. This will stop the
# user being bounced back more than once in the event that a summary
# is not required.
# ####
# For a bit more sophisticated detection of blank summaries, hash the
# automatic one and pass that in the hidden field wpAutoSummary.
if ( $this->missingSummary || ( $this->section == 'new' && $this->nosummary ) ) {
$wgOut->addHTML( Html::hidden( 'wpIgnoreBlankSummary', true ) );
}
if ( $this->undidRev ) {
$wgOut->addHTML( Html::hidden( 'wpUndidRevision', $this->undidRev ) );
}
if ( $this->selfRedirect ) {
$wgOut->addHTML( Html::hidden( 'wpIgnoreSelfRedirect', true ) );
}
if ( $this->hasPresetSummary ) {
// If a summary has been preset using &summary= we don't want to prompt for
// a different summary. Only prompt for a summary if the summary is blanked.
// (T19416)
$this->autoSumm = md5( '' );
}
$autosumm = $this->autoSumm ? $this->autoSumm : md5( $this->summary );
$wgOut->addHTML( Html::hidden( 'wpAutoSummary', $autosumm ) );
$wgOut->addHTML( Html::hidden( 'oldid', $this->oldid ) );
$wgOut->addHTML( Html::hidden( 'parentRevId', $this->getParentRevId() ) );
$wgOut->addHTML( Html::hidden( 'format', $this->contentFormat ) );
$wgOut->addHTML( Html::hidden( 'model', $this->contentModel ) );
// Preserve &ooui=1 / &ooui=0 from URL parameters after submitting the page for preview
$wgOut->addHTML( Html::hidden( 'ooui', $this->oouiEnabled ? '1' : '0' ) );
// following functions will need OOUI, enable it only once; here.
if ( $this->oouiEnabled ) {
$wgOut->enableOOUI();
}
if ( $this->section == 'new' ) {
$this->showSummaryInput( true, $this->summary );
$wgOut->addHTML( $this->getSummaryPreview( true, $this->summary ) );
}
$wgOut->addHTML( $this->editFormTextBeforeContent );
if ( !$this->isCssJsSubpage && $showToolbar && $wgUser->getOption( 'showtoolbar' ) ) {
$wgOut->addHTML( self::getEditToolbar( $this->mTitle ) );
}
if ( $this->blankArticle ) {
$wgOut->addHTML( Html::hidden( 'wpIgnoreBlankArticle', true ) );
}
if ( $this->isConflict ) {
// In an edit conflict bypass the overridable content form method
// and fallback to the raw wpTextbox1 since editconflicts can't be
// resolved between page source edits and custom ui edits using the
// custom edit ui.
$this->textbox2 = $this->textbox1;
$content = $this->getCurrentContent();
$this->textbox1 = $this->toEditText( $content );
$this->showTextbox1();
} else {
$this->showContentForm();
}
$wgOut->addHTML( $this->editFormTextAfterContent );
$this->showStandardInputs();
$this->showFormAfterText();
$this->showTosSummary();
$this->showEditTools();
$wgOut->addHTML( $this->editFormTextAfterTools . "\n" );
$wgOut->addHTML( $this->makeTemplatesOnThisPageList( $this->getTemplates() ) );
$wgOut->addHTML( Html::rawElement( 'div', [ 'class' => 'hiddencats' ],
Linker::formatHiddenCategories( $this->page->getHiddenCategories() ) ) );
$wgOut->addHTML( Html::rawElement( 'div', [ 'class' => 'limitreport' ],
self::getPreviewLimitReport( $this->mParserOutput ) ) );
$wgOut->addModules( 'mediawiki.action.edit.collapsibleFooter' );
if ( $this->isConflict ) {
try {
$this->showConflict();
} catch ( MWContentSerializationException $ex ) {
// this can't really happen, but be nice if it does.
$msg = $this->context->msg(
'content-failed-to-parse',
$this->contentModel,
$this->contentFormat,
$ex->getMessage()
);
$wgOut->addWikiText( '
' . $msg->text() . '
' );
}
}
// Set a hidden field so JS knows what edit form mode we are in
if ( $this->isConflict ) {
$mode = 'conflict';
} elseif ( $this->preview ) {
$mode = 'preview';
} elseif ( $this->diff ) {
$mode = 'diff';
} else {
$mode = 'text';
}
$wgOut->addHTML( Html::hidden( 'mode', $mode, [ 'id' => 'mw-edit-mode' ] ) );
// Marker for detecting truncated form data. This must be the last
// parameter sent in order to be of use, so do not move me.
$wgOut->addHTML( Html::hidden( 'wpUltimateParam', true ) );
$wgOut->addHTML( $this->editFormTextBottom . "\n\n" );
if ( !$wgUser->getOption( 'previewontop' ) ) {
$this->displayPreviewArea( $previewOutput, false );
}
}
/**
* Wrapper around TemplatesOnThisPageFormatter to make
* a "templates on this page" list.
*
* @param Title[] $templates
* @return string HTML
*/
public function makeTemplatesOnThisPageList( array $templates ) {
$templateListFormatter = new TemplatesOnThisPageFormatter(
$this->context, MediaWikiServices::getInstance()->getLinkRenderer()
);
// preview if preview, else section if section, else false
$type = false;
if ( $this->preview ) {
$type = 'preview';
} elseif ( $this->section != '' ) {
$type = 'section';
}
return Html::rawElement( 'div', [ 'class' => 'templatesUsed' ],
$templateListFormatter->format( $templates, $type )
);
}
/**
* Extract the section title from current section text, if any.
*
* @param string $text
* @return string|bool String or false
*/
public static function extractSectionTitle( $text ) {
preg_match( "/^(=+)(.+)\\1\\s*(\n|$)/i", $text, $matches );
if ( !empty( $matches[2] ) ) {
global $wgParser;
return $wgParser->stripSectionName( trim( $matches[2] ) );
} else {
return false;
}
}
protected function showHeader() {
global $wgOut, $wgUser;
global $wgAllowUserCss, $wgAllowUserJs;
if ( $this->isConflict ) {
$this->addExplainConflictHeader( $wgOut );
$this->editRevId = $this->page->getLatest();
} else {
if ( $this->section != '' && $this->section != 'new' ) {
if ( !$this->summary && !$this->preview && !$this->diff ) {
$sectionTitle = self::extractSectionTitle( $this->textbox1 ); // FIXME: use Content object
if ( $sectionTitle !== false ) {
$this->summary = "/* $sectionTitle */ ";
}
}
}
$buttonLabel = $this->context->msg( $this->getSaveButtonLabel() )->text();
if ( $this->missingComment ) {
$wgOut->wrapWikiMsg( "
",
[ 'userjsyoucanpreview' ]
);
}
}
}
}
}
$this->addPageProtectionWarningHeaders();
$this->addLongPageWarningHeader();
# Add header copyright warning
$this->showHeaderCopyrightWarning();
}
/**
* Helper function for summary input functions, which returns the neccessary
* attributes for the input.
*
* @param array|null $inputAttrs Array of attrs to use on the input
* @return array
*/
private function getSummaryInputAttributes( array $inputAttrs = null ) {
// Note: the maxlength is overridden in JS to 255 and to make it use UTF-8 bytes, not characters.
return ( is_array( $inputAttrs ) ? $inputAttrs : [] ) + [
'id' => 'wpSummary',
'name' => 'wpSummary',
'maxlength' => '200',
'tabindex' => 1,
'size' => 60,
'spellcheck' => 'true',
] + Linker::tooltipAndAccesskeyAttribs( 'summary' );
}
/**
* Standard summary input and label (wgSummary), abstracted so EditPage
* subclasses may reorganize the form.
* Note that you do not need to worry about the label's for=, it will be
* inferred by the id given to the input. You can remove them both by
* passing [ 'id' => false ] to $userInputAttrs.
*
* @param string $summary The value of the summary input
* @param string $labelText The html to place inside the label
* @param array $inputAttrs Array of attrs to use on the input
* @param array $spanLabelAttrs Array of attrs to use on the span inside the label
*
* @return array An array in the format [ $label, $input ]
*/
public function getSummaryInput( $summary = "", $labelText = null,
$inputAttrs = null, $spanLabelAttrs = null
) {
$inputAttrs = $this->getSummaryInputAttributes( $inputAttrs );
$spanLabelAttrs = ( is_array( $spanLabelAttrs ) ? $spanLabelAttrs : [] ) + [
'class' => $this->missingSummary ? 'mw-summarymissed' : 'mw-summary',
'id' => "wpSummaryLabel"
];
$label = null;
if ( $labelText ) {
$label = Xml::tags(
'label',
$inputAttrs['id'] ? [ 'for' => $inputAttrs['id'] ] : null,
$labelText
);
$label = Xml::tags( 'span', $spanLabelAttrs, $label );
}
$input = Html::input( 'wpSummary', $summary, 'text', $inputAttrs );
return [ $label, $input ];
}
/**
* Same as self::getSummaryInput, but uses OOUI, instead of plain HTML.
* Builds a standard summary input with a label.
*
* @param string $summary The value of the summary input
* @param string $labelText The html to place inside the label
* @param array $inputAttrs Array of attrs to use on the input
*
* @return OOUI\FieldLayout OOUI FieldLayout with Label and Input
*/
function getSummaryInputOOUI( $summary = "", $labelText = null, $inputAttrs = null ) {
$inputAttrs = OOUI\Element::configFromHtmlAttributes(
$this->getSummaryInputAttributes( $inputAttrs )
);
// For compatibility with old scripts and extensions, we want the legacy 'id' on the ``
$inputAttrs['inputId'] = $inputAttrs['id'];
$inputAttrs['id'] = 'wpSummaryWidget';
return new OOUI\FieldLayout(
new OOUI\TextInputWidget( [
'value' => $summary,
'infusable' => true,
] + $inputAttrs ),
[
'label' => new OOUI\HtmlSnippet( $labelText ),
'align' => 'top',
'id' => 'wpSummaryLabel',
'classes' => [ $this->missingSummary ? 'mw-summarymissed' : 'mw-summary' ],
]
);
}
/**
* @param bool $isSubjectPreview True if this is the section subject/title
* up top, or false if this is the comment summary
* down below the textarea
* @param string $summary The text of the summary to display
*/
protected function showSummaryInput( $isSubjectPreview, $summary = "" ) {
global $wgOut;
# Add a class if 'missingsummary' is triggered to allow styling of the summary line
$summaryClass = $this->missingSummary ? 'mw-summarymissed' : 'mw-summary';
if ( $isSubjectPreview ) {
if ( $this->nosummary ) {
return;
}
} else {
if ( !$this->mShowSummaryField ) {
return;
}
}
$labelText = $this->context->msg( $isSubjectPreview ? 'subject' : 'summary' )->parse();
if ( $this->oouiEnabled ) {
$wgOut->addHTML( $this->getSummaryInputOOUI(
$summary,
$labelText,
[ 'class' => $summaryClass ]
) );
} else {
list( $label, $input ) = $this->getSummaryInput(
$summary,
$labelText,
[ 'class' => $summaryClass ]
);
$wgOut->addHTML( "{$label} {$input}" );
}
}
/**
* @param bool $isSubjectPreview True if this is the section subject/title
* up top, or false if this is the comment summary
* down below the textarea
* @param string $summary The text of the summary to display
* @return string
*/
protected function getSummaryPreview( $isSubjectPreview, $summary = "" ) {
// avoid spaces in preview, gets always trimmed on save
$summary = trim( $summary );
if ( !$summary || ( !$this->preview && !$this->diff ) ) {
return "";
}
global $wgParser;
if ( $isSubjectPreview ) {
$summary = $this->context->msg( 'newsectionsummary' )
->rawParams( $wgParser->stripSectionName( $summary ) )
->inContentLanguage()->text();
}
$message = $isSubjectPreview ? 'subject-preview' : 'summary-preview';
$summary = $this->context->msg( $message )->parse()
. Linker::commentBlock( $summary, $this->mTitle, $isSubjectPreview );
return Xml::tags( 'div', [ 'class' => 'mw-summary-preview' ], $summary );
}
protected function showFormBeforeText() {
global $wgOut;
$section = htmlspecialchars( $this->section );
$wgOut->addHTML( <<
HTML
);
if ( !$this->checkUnicodeCompliantBrowser() ) {
$wgOut->addHTML( Html::hidden( 'safemode', '1' ) );
}
}
protected function showFormAfterText() {
global $wgOut, $wgUser;
/**
* To make it harder for someone to slip a user a page
* which submits an edit form to the wiki without their
* knowledge, a random token is associated with the login
* session. If it's not passed back with the submission,
* we won't save the page, or render user JavaScript and
* CSS previews.
*
* For anon editors, who may not have a session, we just
* include the constant suffix to prevent editing from
* broken text-mangling proxies.
*/
$wgOut->addHTML( "\n" . Html::hidden( "wpEditToken", $wgUser->getEditToken() ) . "\n" );
}
/**
* Subpage overridable method for printing the form for page content editing
* By default this simply outputs wpTextbox1
* Subclasses can override this to provide a custom UI for editing;
* be it a form, or simply wpTextbox1 with a modified content that will be
* reverse modified when extracted from the post data.
* Note that this is basically the inverse for importContentFormData
*/
protected function showContentForm() {
$this->showTextbox1();
}
/**
* Method to output wpTextbox1
* The $textoverride method can be used by subclasses overriding showContentForm
* to pass back to this method.
*
* @param array $customAttribs Array of html attributes to use in the textarea
* @param string $textoverride Optional text to override $this->textarea1 with
*/
protected function showTextbox1( $customAttribs = null, $textoverride = null ) {
if ( $this->wasDeletedSinceLastEdit() && $this->formtype == 'save' ) {
$attribs = [ 'style' => 'display:none;' ];
} else {
$classes = []; // Textarea CSS
if ( $this->mTitle->isProtected( 'edit' ) &&
MWNamespace::getRestrictionLevels( $this->mTitle->getNamespace() ) !== [ '' ]
) {
# Is the title semi-protected?
if ( $this->mTitle->isSemiProtected() ) {
$classes[] = 'mw-textarea-sprotected';
} else {
# Then it must be protected based on static groups (regular)
$classes[] = 'mw-textarea-protected';
}
# Is the title cascade-protected?
if ( $this->mTitle->isCascadeProtected() ) {
$classes[] = 'mw-textarea-cprotected';
}
}
# Is an old revision being edited?
if ( $this->isOldRev ) {
$classes[] = 'mw-textarea-oldrev';
}
$attribs = [ 'tabindex' => 1 ];
if ( is_array( $customAttribs ) ) {
$attribs += $customAttribs;
}
if ( count( $classes ) ) {
if ( isset( $attribs['class'] ) ) {
$classes[] = $attribs['class'];
}
$attribs['class'] = implode( ' ', $classes );
}
}
$this->showTextbox(
$textoverride !== null ? $textoverride : $this->textbox1,
'wpTextbox1',
$attribs
);
}
protected function showTextbox2() {
$this->showTextbox( $this->textbox2, 'wpTextbox2', [ 'tabindex' => 6, 'readonly' ] );
}
protected function showTextbox( $text, $name, $customAttribs = [] ) {
global $wgOut, $wgUser;
$wikitext = $this->safeUnicodeOutput( $text );
$wikitext = $this->addNewLineAtEnd( $wikitext );
$attribs = $this->buildTextboxAttribs( $name, $customAttribs, $wgUser );
$wgOut->addHTML( Html::textarea( $name, $wikitext, $attribs ) );
}
protected function displayPreviewArea( $previewOutput, $isOnTop = false ) {
global $wgOut;
$classes = [];
if ( $isOnTop ) {
$classes[] = 'ontop';
}
$attribs = [ 'id' => 'wikiPreview', 'class' => implode( ' ', $classes ) ];
if ( $this->formtype != 'preview' ) {
$attribs['style'] = 'display: none;';
}
$wgOut->addHTML( Xml::openElement( 'div', $attribs ) );
if ( $this->formtype == 'preview' ) {
$this->showPreview( $previewOutput );
} else {
// Empty content container for LivePreview
$pageViewLang = $this->mTitle->getPageViewLanguage();
$attribs = [ 'lang' => $pageViewLang->getHtmlCode(), 'dir' => $pageViewLang->getDir(),
'class' => 'mw-content-' . $pageViewLang->getDir() ];
$wgOut->addHTML( Html::rawElement( 'div', $attribs ) );
}
$wgOut->addHTML( '' );
if ( $this->formtype == 'diff' ) {
try {
$this->showDiff();
} catch ( MWContentSerializationException $ex ) {
$msg = $this->context->msg(
'content-failed-to-parse',
$this->contentModel,
$this->contentFormat,
$ex->getMessage()
);
$wgOut->addWikiText( '
' . $msg->text() . '
' );
}
}
}
/**
* Append preview output to $wgOut.
* Includes category rendering if this is a category page.
*
* @param string $text The HTML to be output for the preview.
*/
protected function showPreview( $text ) {
global $wgOut;
if ( $this->mArticle instanceof CategoryPage ) {
$this->mArticle->openShowCategory();
}
# This hook seems slightly odd here, but makes things more
# consistent for extensions.
Hooks::run( 'OutputPageBeforeHTML', [ &$wgOut, &$text ] );
$wgOut->addHTML( $text );
if ( $this->mArticle instanceof CategoryPage ) {
$this->mArticle->closeShowCategory();
}
}
/**
* Get a diff between the current contents of the edit box and the
* version of the page we're editing from.
*
* If this is a section edit, we'll replace the section as for final
* save and then make a comparison.
*/
public function showDiff() {
global $wgUser, $wgContLang, $wgOut;
$oldtitlemsg = 'currentrev';
# if message does not exist, show diff against the preloaded default
if ( $this->mTitle->getNamespace() == NS_MEDIAWIKI && !$this->mTitle->exists() ) {
$oldtext = $this->mTitle->getDefaultMessageText();
if ( $oldtext !== false ) {
$oldtitlemsg = 'defaultmessagetext';
$oldContent = $this->toEditContent( $oldtext );
} else {
$oldContent = null;
}
} else {
$oldContent = $this->getCurrentContent();
}
$textboxContent = $this->toEditContent( $this->textbox1 );
if ( $this->editRevId !== null ) {
$newContent = $this->page->replaceSectionAtRev(
$this->section, $textboxContent, $this->summary, $this->editRevId
);
} else {
$newContent = $this->page->replaceSectionContent(
$this->section, $textboxContent, $this->summary, $this->edittime
);
}
if ( $newContent ) {
Hooks::run( 'EditPageGetDiffContent', [ $this, &$newContent ] );
$popts = ParserOptions::newFromUserAndLang( $wgUser, $wgContLang );
$newContent = $newContent->preSaveTransform( $this->mTitle, $wgUser, $popts );
}
if ( ( $oldContent && !$oldContent->isEmpty() ) || ( $newContent && !$newContent->isEmpty() ) ) {
$oldtitle = $this->context->msg( $oldtitlemsg )->parse();
$newtitle = $this->context->msg( 'yourtext' )->parse();
if ( !$oldContent ) {
$oldContent = $newContent->getContentHandler()->makeEmptyContent();
}
if ( !$newContent ) {
$newContent = $oldContent->getContentHandler()->makeEmptyContent();
}
$de = $oldContent->getContentHandler()->createDifferenceEngine( $this->mArticle->getContext() );
$de->setContent( $oldContent, $newContent );
$difftext = $de->getDiff( $oldtitle, $newtitle );
$de->showDiffStyle();
} else {
$difftext = '';
}
$wgOut->addHTML( '
' . $difftext . '
' );
}
/**
* Show the header copyright warning.
*/
protected function showHeaderCopyrightWarning() {
$msg = 'editpage-head-copy-warn';
if ( !$this->context->msg( $msg )->isDisabled() ) {
global $wgOut;
$wgOut->wrapWikiMsg( "
\n$1\n
",
'editpage-head-copy-warn' );
}
}
/**
* Give a chance for site and per-namespace customizations of
* terms of service summary link that might exist separately
* from the copyright notice.
*
* This will display between the save button and the edit tools,
* so should remain short!
*/
protected function showTosSummary() {
$msg = 'editpage-tos-summary';
Hooks::run( 'EditPageTosSummary', [ $this->mTitle, &$msg ] );
if ( !$this->context->msg( $msg )->isDisabled() ) {
global $wgOut;
$wgOut->addHTML( '
' );
}
}
/**
* Inserts optional text shown below edit and upload forms. Can be used to offer special characters not present on
* most keyboards for copying/pasting.
*/
protected function showEditTools() {
global $wgOut;
$wgOut->addHTML( '
\n" );
}
/**
* Show an edit conflict. textbox1 is already shown in showEditForm().
* If you want to use another entry point to this function, be careful.
*/
protected function showConflict() {
global $wgOut;
// Avoid PHP 7.1 warning of passing $this by reference
$editPage = $this;
if ( Hooks::run( 'EditPageBeforeConflictDiff', [ &$editPage, &$wgOut ] ) ) {
$this->incrementConflictStats();
$wgOut->wrapWikiMsg( '
', "yourtext" );
$this->showTextbox2();
}
}
protected function incrementConflictStats() {
$stats = MediaWikiServices::getInstance()->getStatsdDataFactory();
$stats->increment( 'edit.failures.conflict' );
// Only include 'standard' namespaces to avoid creating unknown numbers of statsd metrics
if (
$this->mTitle->getNamespace() >= NS_MAIN &&
$this->mTitle->getNamespace() <= NS_CATEGORY_TALK
) {
$stats->increment( 'edit.failures.conflict.byNamespaceId.' . $this->mTitle->getNamespace() );
}
}
/**
* @return string
*/
public function getCancelLink() {
$cancelParams = [];
if ( !$this->isConflict && $this->oldid > 0 ) {
$cancelParams['oldid'] = $this->oldid;
} elseif ( $this->getContextTitle()->isRedirect() ) {
$cancelParams['redirect'] = 'no';
}
if ( $this->oouiEnabled ) {
return new OOUI\ButtonWidget( [
'id' => 'mw-editform-cancel',
'href' => $this->getContextTitle()->getLinkUrl( $cancelParams ),
'label' => new OOUI\HtmlSnippet( $this->context->msg( 'cancel' )->parse() ),
'framed' => false,
'infusable' => true,
'flags' => 'destructive',
] );
} else {
return MediaWikiServices::getInstance()->getLinkRenderer()->makeKnownLink(
$this->getContextTitle(),
new HtmlArmor( $this->context->msg( 'cancel' )->parse() ),
Html::buttonAttributes( [ 'id' => 'mw-editform-cancel' ], [ 'mw-ui-quiet' ] ),
$cancelParams
);
}
}
/**
* Returns the URL to use in the form's action attribute.
* This is used by EditPage subclasses when simply customizing the action
* variable in the constructor is not enough. This can be used when the
* EditPage lives inside of a Special page rather than a custom page action.
*
* @param Title $title Title object for which is being edited (where we go to for &action= links)
* @return string
*/
protected function getActionURL( Title $title ) {
return $title->getLocalURL( [ 'action' => $this->action ] );
}
/**
* Check if a page was deleted while the user was editing it, before submit.
* Note that we rely on the logging table, which hasn't been always there,
* but that doesn't matter, because this only applies to brand new
* deletes.
* @return bool
*/
protected function wasDeletedSinceLastEdit() {
if ( $this->deletedSinceEdit !== null ) {
return $this->deletedSinceEdit;
}
$this->deletedSinceEdit = false;
if ( !$this->mTitle->exists() && $this->mTitle->isDeletedQuick() ) {
$this->lastDelete = $this->getLastDelete();
if ( $this->lastDelete ) {
$deleteTime = wfTimestamp( TS_MW, $this->lastDelete->log_timestamp );
if ( $deleteTime > $this->starttime ) {
$this->deletedSinceEdit = true;
}
}
}
return $this->deletedSinceEdit;
}
/**
* @return bool|stdClass
*/
protected function getLastDelete() {
$dbr = wfGetDB( DB_REPLICA );
$data = $dbr->selectRow(
[ 'logging', 'user' ],
[
'log_type',
'log_action',
'log_timestamp',
'log_user',
'log_namespace',
'log_title',
'log_comment',
'log_params',
'log_deleted',
'user_name'
], [
'log_namespace' => $this->mTitle->getNamespace(),
'log_title' => $this->mTitle->getDBkey(),
'log_type' => 'delete',
'log_action' => 'delete',
'user_id=log_user'
],
__METHOD__,
[ 'LIMIT' => 1, 'ORDER BY' => 'log_timestamp DESC' ]
);
// Quick paranoid permission checks...
if ( is_object( $data ) ) {
if ( $data->log_deleted & LogPage::DELETED_USER ) {
$data->user_name = $this->context->msg( 'rev-deleted-user' )->escaped();
}
if ( $data->log_deleted & LogPage::DELETED_COMMENT ) {
$data->log_comment = $this->context->msg( 'rev-deleted-comment' )->escaped();
}
}
return $data;
}
/**
* Get the rendered text for previewing.
* @throws MWException
* @return string
*/
public function getPreviewText() {
global $wgOut, $wgRawHtml, $wgLang;
global $wgAllowUserCss, $wgAllowUserJs;
if ( $wgRawHtml && !$this->mTokenOk ) {
// Could be an offsite preview attempt. This is very unsafe if
// HTML is enabled, as it could be an attack.
$parsedNote = '';
if ( $this->textbox1 !== '' ) {
// Do not put big scary notice, if previewing the empty
// string, which happens when you initially edit
// a category page, due to automatic preview-on-open.
$parsedNote = $wgOut->parse( "