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: The filter function set in $wgFilterCallback returned true (= block it)
*/
const AS_FILTERING = 211;
/**
* Status: A hook function returned an error
*/
const AS_HOOK_ERROR_EXPECTED = 212;
/**
* Status: User is blocked from editting this page
*/
const AS_BLOCKED_PAGE_FOR_USER = 215;
/**
* Status: Content too big (> $wgMaxArticleSize)
*/
const AS_CONTENT_TOO_BIG = 216;
/**
* Status: User cannot edit? (not used)
*/
const AS_USER_CANNOT_EDIT = 217;
/**
* 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 editting 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
*/
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
* editting 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;
/**
* not used
*/
const AS_OK = 230;
/**
* Status: WikiPage::doEdit() was unsuccessfull
*/
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;
/**
* @var Article
*/
var $mArticle;
/**
* @var Title
*/
var $mTitle;
private $mContextTitle = null;
var $action = 'submit';
var $isConflict = false;
var $isCssJsSubpage = false;
var $isCssSubpage = false;
var $isJsSubpage = false;
var $isWrongCaseCssJsPage = false;
var $isNew = false; // new page or new section
var $deletedSinceEdit;
var $formtype;
var $firsttime;
var $lastDelete;
var $mTokenOk = false;
var $mTokenOkExceptSuffix = false;
var $mTriedSave = false;
var $incompleteForm = false;
var $tooBig = false;
var $kblength = false;
var $missingComment = false;
var $missingSummary = false;
var $allowBlankSummary = false;
var $autoSumm = '';
var $hookError = '';
#var $mPreviewTemplates;
/**
* @var ParserOutput
*/
var $mParserOutput;
var $mBaseRevision = false;
var $mShowSummaryField = true;
# Form values
var $save = false, $preview = false, $diff = false;
var $minoredit = false, $watchthis = false, $recreate = false;
var $textbox1 = '', $textbox2 = '', $summary = '', $nosummary = false;
var $edittime = '', $section = '', $sectiontitle = '', $starttime = '';
var $oldid = 0, $editintro = '', $scrolltop = null, $bot = true;
# Placeholders for text injection by hooks (must be HTML)
# extensions should take care to _append_ to the present value
public $editFormPageTop = ''; // Before even the preview
public $editFormTextTop = '';
public $editFormTextBeforeContent = '';
public $editFormTextAfterWarn = '';
public $editFormTextAfterTools = '';
public $editFormTextBottom = '';
public $editFormTextAfterContent = '';
public $previewTextAfterContent = '';
public $mPreloadText = '';
/* $didSave should be set to true whenever an article was succesfully altered. */
public $didSave = false;
public $undidRev = 0;
public $suppressIntro = false;
/**
* @param $article Article
*/
public function __construct( Article $article ) {
$this->mArticle = $article;
$this->mTitle = $article->getTitle();
}
/**
* @return Article
*/
public function getArticle() {
return $this->mArticle;
}
/**
* @since 1.19
* @return Title
*/
public function getTitle() {
return $this->mTitle;
}
/**
* Set the context Title object
*
* @param $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 changed in
* the future to return $this->mTitle instead.
*
* @return Title object
*/
public function getContextTitle() {
if ( is_null( $this->mContextTitle ) ) {
global $wgTitle;
return $wgTitle;
} else {
return $this->mContextTitle;
}
}
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.
*/
function edit() {
global $wgOut, $wgRequest, $wgUser;
// Allow extensions to modify/prevent this form or submission
if ( !wfRunHooks( 'AlternateEdit', array( $this ) ) ) {
return;
}
wfProfileIn( __METHOD__ );
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() );
wfProfileOut( __METHOD__ );
return;
}
$this->importFormData( $wgRequest );
$this->firsttime = false;
if ( $this->live ) {
$this->livePreview();
wfProfileOut( __METHOD__ );
return;
}
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();
if ( $permErrors ) {
wfDebug( __METHOD__ . ": User can't edit\n" );
// Auto-block user's IP if the account was "hard" blocked
$wgUser->spreadAnyEditBlock();
$this->displayPermissionsError( $permErrors );
wfProfileOut( __METHOD__ );
return;
}
wfProfileIn( __METHOD__."-business-end" );
$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();
$this->isWrongCaseCssJsPage = $this->isWrongCaseCssJsPage();
$this->isNew = !$this->mTitle->exists() || $this->section == 'new';
# 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' == $this->formtype ) {
if ( !$this->attemptSave() ) {
wfProfileOut( __METHOD__."-business-end" );
wfProfileOut( __METHOD__ );
return;
}
}
# First time through: get contents, set time for conflict
# checking, etc.
if ( 'initial' == $this->formtype || $this->firsttime ) {
if ( $this->initialiseForm() === false ) {
$this->noSuchSectionPage();
wfProfileOut( __METHOD__."-business-end" );
wfProfileOut( __METHOD__ );
return;
}
if ( !$this->mTitle->getArticleId() )
wfRunHooks( 'EditFormPreloadText', array( &$this->textbox1, &$this->mTitle ) );
else
wfRunHooks( 'EditFormInitialText', array( $this ) );
}
$this->showEditForm();
wfProfileOut( __METHOD__."-business-end" );
wfProfileOut( __METHOD__ );
}
/**
* @return array
*/
protected function getEditPermissionErrors() {
global $wgUser;
$permErrors = $this->mTitle->getUserPermissionsErrors( 'edit', $wgUser );
# Can this title be created?
if ( !$this->mTitle->exists() ) {
$permErrors = array_merge( $permErrors,
wfArrayDiff2( $this->mTitle->getUserPermissionsErrors( 'create', $wgUser ), $permErrors ) );
}
# Ignore some permissions errors when a user is just previewing/viewing diffs
$remove = array();
foreach( $permErrors as $error ) {
if ( ( $this->preview || $this->diff ) &&
( $error[0] == 'blockedtext' || $error[0] == 'autoblockedtext' ) )
{
$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 $permErrors Array of permissions errors, as returned by
* Title::getUserPermissionsErrors().
*/
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->getContent();
# Use the normal message if there's nothing to display
if ( $this->firsttime && $content === '' ) {
$action = $this->mTitle->exists() ? 'edit' :
( $this->mTitle->isTalkPage() ? 'createtalk' : 'createpage' );
throw new PermissionsError( $action, $permErrors );
}
$wgOut->setPageTitle( wfMessage( 'viewsource-title', $this->getContextTitle()->getPrefixedText() ) );
$wgOut->addBacklinkSubtitle( $this->getContextTitle() );
$wgOut->addWikiText( $wgOut->formatPermissionsErrorMessage( $permErrors, 'edit' ) );
$wgOut->addHTML( "\n" );
# If the user made changes, preserve them when showing the markup
# (This happens when a user is blocked during edit, for instance)
if ( !$this->firsttime ) {
$content = $this->textbox1;
$wgOut->addWikiMsg( 'viewyourtext' );
} else {
$wgOut->addWikiMsg( 'viewsourcetext' );
}
$this->showTextbox( $content, 'wpTextbox1', array( 'readonly' ) );
$wgOut->addHTML( Html::rawElement( 'div', array( 'class' => 'templatesUsed' ),
Linker::formatTemplates( $this->getTemplates() ) ) );
if ( $this->mTitle->exists() ) {
$wgOut->returnToMain( null, $this->mTitle );
}
}
/**
* Show a read-only error
* Parameters are the same as OutputPage:readOnlyPage()
* Redirect to the article page if redlink=1
* @deprecated in 1.19; use displayPermissionsError() instead
*/
function readOnlyPage( $source = null, $protected = false, $reasons = array(), $action = null ) {
wfDeprecated( __METHOD__, '1.19' );
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() );
} else {
$wgOut->readOnlyPage( $source, $protected, $reasons, $action );
}
}
/**
* 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() ) && $wgUser->getOption( 'previewonfirst' ) ) {
// Standard preference behaviour
return true;
} elseif ( !$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() ),
array( 'common' )
);
return !in_array( $name, $skins )
&& in_array( strtolower( $name ), $skins );
} else {
return false;
}
}
/**
* Does this EditPage class support section editing?
* This is used by EditPage subclasses to indicate their ui cannot handle section edits
*
* @return bool
*/
protected function isSectionEditSupported() {
return true;
}
/**
* This function collects the form data and uses it to populate various member variables.
* @param $request WebRequest
*/
function importFormData( &$request ) {
global $wgLang, $wgUser;
wfProfileIn( __METHOD__ );
# Section edit can come from either the form or a link
$this->section = $request->getVal( 'wpSection', $request->getVal( 'section' ) );
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
wfProfileIn( get_class($this)."::importContentFormData" );
$textbox1 = $this->importContentFormData( $request );
if ( isset($textbox1) )
$this->textbox1 = $textbox1;
wfProfileOut( get_class($this)."::importContentFormData" );
}
# Truncate for whole multibyte characters. +5 bytes for ellipsis
$this->summary = $wgLang->truncate( $request->getText( 'wpSummary' ), 250 );
# 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 = $wgLang->truncate( $request->getText( 'wpSectionTitle' ), 250 );
$this->sectiontitle = preg_replace( '/^\s*=+\s*(.*?)\s*=+\s*$/', '$1', $this->sectiontitle );
$this->edittime = $request->getVal( 'wpEdittime' );
$this->starttime = $request->getVal( 'wpStarttime' );
$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 {
// edittime should be one of our last fields; if it's missing,
// the submission probably broke somewhere in the middle.
$this->incompleteForm = 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 {
/* Fallback for live preview */
$this->preview = $request->getCheck( 'wpPreview' ) || $request->getCheck( 'wpLivePreview' );
$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' );
} else {
# Not a posted form? Start with nothing.
wfDebug( __METHOD__ . ": Not a posted form.\n" );
$this->textbox1 = '';
$this->summary = '';
$this->sectiontitle = '';
$this->edittime = '';
$this->starttime = wfTimestampNow();
$this->edit = false;
$this->preview = false;
$this->save = false;
$this->diff = false;
$this->minoredit = false;
$this->watchthis = $request->getBool( 'watchthis', false ); // Watch may be overriden by request parameters
$this->recreate = false;
// When creating a new section, we can preload a section title by passing it as the
// preloadtitle parameter in the URL (Bug 13100)
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 ( $request->getVal( 'minor' ) ) {
$this->minoredit = true;
}
}
$this->bot = $request->getBool( 'bot', true );
$this->nosummary = $request->getBool( 'nosummary' );
$this->oldid = $request->getInt( 'oldid' );
$this->live = $request->getCheck( 'live' );
$this->editintro = $request->getText( 'editintro',
// Custom edit intro for new sections
$this->section === 'new' ? 'MediaWiki:addsection-editintro' : '' );
// Allow extensions to modify form data
wfRunHooks( 'EditPage::importFormData', array( $this, $request ) );
wfProfileOut( __METHOD__ );
}
/**
* 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 overrided and return the page text that will be used
* for saving, preview parsing and so on...
*
* @param $request WebRequest
*/
protected function importContentFormData( &$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
*/
function initialiseForm() {
global $wgUser;
$this->edittime = $this->mArticle->getTimestamp();
$this->textbox1 = $this->getContent( false );
// 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 ( $this->mTitle->userIsWatching() ) {
# Already watched
$this->watchthis = true;
}
if ( $wgUser->getOption( 'minordefault' ) && !$this->isNew ) {
$this->minoredit = true;
}
if ( $this->textbox1 === false ) {
return false;
}
wfProxyCheck();
return true;
}
/**
* Fetch initial editing page content.
*
* @param $def_text string
* @return mixed string on success, $def_text for invalid sections
* @private
*/
function getContent( $def_text = '' ) {
global $wgOut, $wgRequest, $wgParser;
wfProfileIn( __METHOD__ );
$text = false;
// For message page not locally set, use the i18n message.
// For other non-existent articles, use preload text if any.
if ( !$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.
$text = $this->mTitle->getDefaultMessageText();
}
if ( $text === false ) {
# If requested, preload some text.
$preload = $wgRequest->getVal( 'preload',
// Custom preload text for new sections
$this->section === 'new' ? 'MediaWiki:addsection-preload' : '' );
$text = $this->getPreloadedText( $preload );
}
// 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)
$text = $wgParser->getSection( $this->getOriginalContent(), $this->section, $def_text );
} else {
$undoafter = $wgRequest->getInt( 'undoafter' );
$undo = $wgRequest->getInt( 'undo' );
if ( $undo > 0 && $undoafter > 0 ) {
if ( $undo < $undoafter ) {
# If they got undoafter and undo round the wrong way, switch them
list( $undo, $undoafter ) = array( $undoafter, $undo );
}
$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, $text will be left as-is.
if ( !is_null( $undorev ) && !is_null( $oldrev ) &&
$undorev->getPage() == $oldrev->getPage() &&
$undorev->getPage() == $this->mTitle->getArticleId() &&
!$undorev->isDeleted( Revision::DELETED_TEXT ) &&
!$oldrev->isDeleted( Revision::DELETED_TEXT ) ) {
$text = $this->mArticle->getUndoText( $undorev, $oldrev );
if ( $text === false ) {
# Warn the user that something went wrong
$undoMsg = 'failure';
} 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->getId() == $undo ) {
$undoSummary = wfMsgForContent( 'undo-summary', $undo, $undorev->getUserText() );
if ( $this->summary === '' ) {
$this->summary = $undoSummary;
} else {
$this->summary = $undoSummary . wfMsgForContent( 'colon-separator' ) . $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';
}
$class = ( $undoMsg == 'success' ? '' : 'error ' ) . "mw-undo-{$undoMsg}";
$this->editFormPageTop .= $wgOut->parse( "
" .
wfMsgNoTrans( 'undo-' . $undoMsg ) . '
', true, /* interface */true );
}
if ( $text === false ) {
$text = $this->getOriginalContent();
}
}
}
wfProfileOut( __METHOD__ );
return $text;
}
/**
* 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::replaceSection())
* to the original text of the edit.
*
* This difers from Article::getContent() that when a missing revision is
* encountered the result will be an empty string and not the
* 'missing-article' message.
*
* @since 1.19
* @return string
*/
private function getOriginalContent() {
if ( $this->section == 'new' ) {
return $this->getCurrentText();
}
$revision = $this->mArticle->getRevisionFetched();
if ( $revision === null ) {
return '';
}
return $this->mArticle->getContent();
}
/**
* Get the actual text of the page. This is basically similar to
* WikiPage::getRawText() except that when the page doesn't exist an empty
* string is returned instead of false.
*
* @since 1.19
* @return string
*/
private function getCurrentText() {
$text = $this->mArticle->getRawText();
if ( $text === false ) {
return '';
} else {
return $text;
}
}
/**
* Use this method before edit() to preload some text into the edit box
*
* @param $text string
*/
public function setPreloadedText( $text ) {
$this->mPreloadText = $text;
}
/**
* Get the contents to be preloaded into the box, either set by
* an earlier setPreloadText() or by loading the given page.
*
* @param $preload String: representing the title to preload from.
* @return String
*/
protected function getPreloadedText( $preload ) {
global $wgUser, $wgParser;
if ( !empty( $this->mPreloadText ) ) {
return $this->mPreloadText;
}
if ( $preload === '' ) {
return '';
}
$title = Title::newFromText( $preload );
# Check for existence to avoid getting MediaWiki:Noarticletext
if ( $title === null || !$title->exists() || !$title->userCan( 'read' ) ) {
return '';
}
$page = WikiPage::factory( $title );
if ( $page->isRedirect() ) {
$title = $page->getRedirectTarget();
# Same as before
if ( $title === null || !$title->exists() || !$title->userCan( 'read' ) ) {
return '';
}
$page = WikiPage::factory( $title );
}
$parserOptions = ParserOptions::newFromUser( $wgUser );
return $wgParser->getPreloadText( $page->getRawText(), $title, $parserOptions );
}
/**
* Make sure the form isn't faking a user's credentials.
*
* @param $request WebRequest
* @return bool
* @private
*/
function tokenOk( &$request ) {
global $wgUser;
$token = $request->getVal( 'wpEditToken' );
$this->mTokenOk = $wgUser->matchEditToken( $token );
$this->mTokenOkExceptSuffix = $wgUser->matchEditTokenNoSuffix( $token );
return $this->mTokenOk;
}
/**
* Attempt submission
* @return bool false if output is done, true if the rest of the form should be displayed
*/
function attemptSave() {
global $wgUser, $wgOut;
$resultDetails = false;
# Allow bots to exempt some edits from bot flagging
$bot = $wgUser->isAllowed( 'bot' ) && $this->bot;
$status = $this->internalAttemptSave( $resultDetails, $bot );
// 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->didSave = true;
}
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:
return true;
case self::AS_HOOK_ERROR:
case self::AS_FILTERING:
return false;
case self::AS_SUCCESS_NEW_ARTICLE:
$query = $resultDetails['redirect'] ? 'redirect=no' : '';
$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
wfRunHooks( 'ArticleUpdateBeforeRedirect', array( $this->mArticle, &$sectionanchor, &$extraQuery ) );
if ( $resultDetails['redirect'] ) {
if ( $extraQuery == '' ) {
$extraQuery = 'redirect=no';
} else {
$extraQuery = 'redirect=no&' . $extraQuery;
}
}
$wgOut->redirect( $this->mTitle->getFullURL( $extraQuery ) . $sectionanchor );
return false;
case self::AS_BLANK_ARTICLE:
$wgOut->redirect( $this->getContextTitle()->getFullURL() );
return false;
case self::AS_SPAM_ERROR:
$this->spamPageWithContent( $resultDetails['spam'] );
return false;
case self::AS_BLOCKED_PAGE_FOR_USER:
throw new UserBlockedError( $wgUser->mBlock );
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 );
}
return false;
}
/**
* Attempt submission (no UI)
*
* @param $result
* @param $bot bool
*
* @return Status object, possibly with a message, but always with one of the AS_* constants in $status->value,
*
* FIXME: This interface is TERRIBLE, but hard to get rid of due to various error display idiosyncrasies. There are
* also lots of cases where error metadata is set in the object and retrieved later instead of being returned, e.g.
* AS_CONTENT_TOO_BIG and AS_BLOCKED_PAGE_FOR_USER. All that stuff needs to be cleaned up some time.
*/
function internalAttemptSave( &$result, $bot = false ) {
global $wgFilterCallback, $wgUser, $wgRequest, $wgParser;
global $wgMaxArticleSize;
$status = Status::newGood();
wfProfileIn( __METHOD__ );
wfProfileIn( __METHOD__ . '-checks' );
if ( !wfRunHooks( 'EditPage::attemptSave', array( $this ) ) ) {
wfDebug( "Hook 'EditPage::attemptSave' aborted article saving\n" );
$status->fatal( 'hookaborted' );
$status->value = self::AS_HOOK_ERROR;
wfProfileOut( __METHOD__ . '-checks' );
wfProfileOut( __METHOD__ );
return $status;
}
# Check image redirect
if ( $this->mTitle->getNamespace() == NS_FILE &&
Title::newFromRedirect( $this->textbox1 ) instanceof Title &&
!$wgUser->isAllowed( 'upload' ) ) {
$code = $wgUser->isAnon() ? self::AS_IMAGE_REDIRECT_ANON : self::AS_IMAGE_REDIRECT_LOGGED;
$status->setResult( false, $code );
wfProfileOut( __METHOD__ . '-checks' );
wfProfileOut( __METHOD__ );
return $status;
}
# Check for spam
$match = self::matchSummarySpamRegex( $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;
wfProfileOut( __METHOD__ . '-checks' );
wfProfileOut( __METHOD__ );
return $status;
}
if ( $wgFilterCallback && is_callable( $wgFilterCallback ) && $wgFilterCallback( $this->mTitle, $this->textbox1, $this->section, $this->hookError, $this->summary ) ) {
# Error messages or other handling should be performed by the filter function
$status->setResult( false, self::AS_FILTERING );
wfProfileOut( __METHOD__ . '-checks' );
wfProfileOut( __METHOD__ );
return $status;
}
if ( !wfRunHooks( 'EditFilter', array( $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;
wfProfileOut( __METHOD__ . '-checks' );
wfProfileOut( __METHOD__ );
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;
wfProfileOut( __METHOD__ . '-checks' );
wfProfileOut( __METHOD__ );
return $status;
}
if ( $wgUser->isBlockedFrom( $this->mTitle, false ) ) {
// Auto-block user's IP if the account was "hard" blocked
$wgUser->spreadAnyEditBlock();
# Check block state against master, thus 'false'.
$status->setResult( false, self::AS_BLOCKED_PAGE_FOR_USER );
wfProfileOut( __METHOD__ . '-checks' );
wfProfileOut( __METHOD__ );
return $status;
}
$this->kblength = (int)( strlen( $this->textbox1 ) / 1024 );
if ( $this->kblength > $wgMaxArticleSize ) {
// Error will be displayed by showEditForm()
$this->tooBig = true;
$status->setResult( false, self::AS_CONTENT_TOO_BIG );
wfProfileOut( __METHOD__ . '-checks' );
wfProfileOut( __METHOD__ );
return $status;
}
if ( !$wgUser->isAllowed( 'edit' ) ) {
if ( $wgUser->isAnon() ) {
$status->setResult( false, self::AS_READ_ONLY_PAGE_ANON );
wfProfileOut( __METHOD__ . '-checks' );
wfProfileOut( __METHOD__ );
return $status;
} else {
$status->fatal( 'readonlytext' );
$status->value = self::AS_READ_ONLY_PAGE_LOGGED;
wfProfileOut( __METHOD__ . '-checks' );
wfProfileOut( __METHOD__ );
return $status;
}
}
if ( wfReadOnly() ) {
$status->fatal( 'readonlytext' );
$status->value = self::AS_READ_ONLY_PAGE;
wfProfileOut( __METHOD__ . '-checks' );
wfProfileOut( __METHOD__ );
return $status;
}
if ( $wgUser->pingLimiter() ) {
$status->fatal( 'actionthrottledtext' );
$status->value = self::AS_RATE_LIMITED;
wfProfileOut( __METHOD__ . '-checks' );
wfProfileOut( __METHOD__ );
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 );
wfProfileOut( __METHOD__ . '-checks' );
wfProfileOut( __METHOD__ );
return $status;
}
wfProfileOut( __METHOD__ . '-checks' );
# If article is new, insert it.
$aid = $this->mTitle->getArticleID( Title::GAID_FOR_UPDATE );
$new = ( $aid == 0 );
if ( $new ) {
// Late check for create permission, just in case *PARANOIA*
if ( !$this->mTitle->userCan( 'create' ) ) {
$status->fatal( 'nocreatetext' );
$status->value = self::AS_NO_CREATE_PERMISSION;
wfDebug( __METHOD__ . ": no create permission\n" );
wfProfileOut( __METHOD__ );
return $status;
}
# Don't save a new article if it's blank.
if ( $this->textbox1 == '' ) {
$status->setResult( false, self::AS_BLANK_ARTICLE );
wfProfileOut( __METHOD__ );
return $status;
}
// Run post-section-merge edit filter
if ( !wfRunHooks( 'EditFilterMerged', array( $this, $this->textbox1, &$this->hookError, $this->summary ) ) ) {
# Error messages etc. could be handled within the hook...
$status->fatal( 'hookaborted' );
$status->value = self::AS_HOOK_ERROR;
wfProfileOut( __METHOD__ );
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;
wfProfileOut( __METHOD__ );
return $status;
}
# Handle the user preference to force summaries here. Check if it's not a redirect.
if ( !$this->allowBlankSummary && !Title::newFromRedirect( $this->textbox1 ) ) {
if ( md5( $this->summary ) == $this->autoSumm ) {
$this->missingSummary = true;
$status->fatal( 'missingsummary' ); // or 'missingcommentheader' if $section == 'new'. Blegh
$status->value = self::AS_SUMMARY_NEEDED;
wfProfileOut( __METHOD__ );
return $status;
}
}
$text = $this->textbox1;
$result['sectionanchor'] = '';
if ( $this->section == 'new' ) {
if ( $this->sectiontitle !== '' ) {
// Insert the section title above the content.
$text = wfMsgForContent( 'newsectionheaderdefaultlevel', $this->sectiontitle ) . "\n\n" . $text;
// Jump to the new section
$result['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 );
$this->summary = wfMsgForContent( 'newsectionsummary', $cleanSectionTitle );
}
} elseif ( $this->summary !== '' ) {
// Insert the section title above the content.
$text = wfMsgForContent( 'newsectionheaderdefaultlevel', $this->summary ) . "\n\n" . $text;
// Jump to the new section
$result['sectionanchor'] = $wgParser->guessLegacySectionNameFromWikiText( $this->summary );
// Create a link to the new section from the edit summary.
$cleanSummary = $wgParser->stripSectionName( $this->summary );
$this->summary = wfMsgForContent( 'newsectionsummary', $cleanSummary );
}
}
$status->value = self::AS_SUCCESS_NEW_ARTICLE;
} else {
# Article exists. Check for edit conflict.
$this->mArticle->clear(); # Force reload of dates, etc.
$timestamp = $this->mArticle->getTimestamp();
wfDebug( "timestamp: {$timestamp}, edittime: {$this->edittime}\n" );
if ( $timestamp != $this->edittime ) {
$this->isConflict = true;
if ( $this->section == 'new' ) {
if ( $this->mArticle->getUserText() == $wgUser->getName() &&
$this->mArticle->getComment() == $this->summary ) {
// Probably a duplicate submission of a new comment.
// This can happen when squid 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 == '' && $this->userWasLastToEdit( $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 (for
// backwards compatibility with old forms/bots).
if ( $this->sectiontitle !== '' ) {
$sectionTitle = $this->sectiontitle;
} else {
$sectionTitle = $this->summary;
}
if ( $this->isConflict ) {
wfDebug( __METHOD__ . ": conflict! getting section '$this->section' for time '$this->edittime' (article time '{$timestamp}')\n" );
$text = $this->mArticle->replaceSection( $this->section, $this->textbox1, $sectionTitle, $this->edittime );
} else {
wfDebug( __METHOD__ . ": getting section '$this->section'\n" );
$text = $this->mArticle->replaceSection( $this->section, $this->textbox1, $sectionTitle );
}
if ( is_null( $text ) ) {
wfDebug( __METHOD__ . ": activating conflict; section replace failed.\n" );
$this->isConflict = true;
$text = $this->textbox1; // do not try to merge here!
} elseif ( $this->isConflict ) {
# Attempt merge
if ( $this->mergeChangesInto( $text ) ) {
// 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 = $text;
wfDebug( __METHOD__ . ": Keeping edit conflict, failed merge.\n" );
}
}
if ( $this->isConflict ) {
$status->setResult( false, self::AS_CONFLICT_DETECTED );
wfProfileOut( __METHOD__ );
return $status;
}
// Run post-section-merge edit filter
if ( !wfRunHooks( 'EditFilterMerged', array( $this, $text, &$this->hookError, $this->summary ) ) ) {
# Error messages etc. could be handled within the hook...
$status->fatal( 'hookaborted' );
$status->value = self::AS_HOOK_ERROR;
wfProfileOut( __METHOD__ );
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;
wfProfileOut( __METHOD__ );
return $status;
}
# Handle the user preference to force summaries here, but not for null edits
if ( $this->section != 'new' && !$this->allowBlankSummary
&& $this->getOriginalContent() != $text
&& !Title::newFromRedirect( $text ) ) # check if it's not a redirect
{
if ( md5( $this->summary ) == $this->autoSumm ) {
$this->missingSummary = true;
$status->fatal( 'missingsummary' );
$status->value = self::AS_SUMMARY_NEEDED;
wfProfileOut( __METHOD__ );
return $status;
}
}
# And a similar thing for new sections
if ( $this->section == 'new' && !$this->allowBlankSummary ) {
if ( trim( $this->summary ) == '' ) {
$this->missingSummary = true;
$status->fatal( 'missingsummary' ); // or 'missingcommentheader' if $section == 'new'. Blegh
$status->value = self::AS_SUMMARY_NEEDED;
wfProfileOut( __METHOD__ );
return $status;
}
}
# All's well
wfProfileIn( __METHOD__ . '-sectionanchor' );
$sectionanchor = '';
if ( $this->section == 'new' ) {
if ( $this->textbox1 == '' ) {
$this->missingComment = true;
$status->fatal( 'missingcommenttext' );
$status->value = self::AS_TEXTBOX_EMPTY;
wfProfileOut( __METHOD__ . '-sectionanchor' );
wfProfileOut( __METHOD__ );
return $status;
}
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 );
$this->summary = wfMsgForContent( 'newsectionsummary', $cleanSectionTitle );
}
} 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 );
$this->summary = wfMsgForContent( 'newsectionsummary', $cleanSummary );
}
} 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::replaceSection
# 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;
wfProfileOut( __METHOD__ . '-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 = $text;
$this->section = '';
$status->value = self::AS_SUCCESS_UPDATE;
}
// Check for length errors again now that the section is merged in
$this->kblength = (int)( strlen( $text ) / 1024 );
if ( $this->kblength > $wgMaxArticleSize ) {
$this->tooBig = true;
$status->setResult( false, self::AS_MAX_ARTICLE_SIZE_EXCEEDED );
wfProfileOut( __METHOD__ );
return $status;
}
$flags = EDIT_DEFER_UPDATES | EDIT_AUTOSUMMARY |
( $new ? EDIT_NEW : EDIT_UPDATE ) |
( ( $this->minoredit && !$this->isNew ) ? EDIT_MINOR : 0 ) |
( $bot ? EDIT_FORCE_BOT : 0 );
$doEditStatus = $this->mArticle->doEdit( $text, $this->summary, $flags );
if ( $doEditStatus->isOK() ) {
$result['redirect'] = Title::newFromRedirect( $text ) !== null;
$this->commitWatch();
wfProfileOut( __METHOD__ );
return $status;
} else {
$this->isConflict = true;
$doEditStatus->value = self::AS_END; // Destroys data doEdit() put in $status->value but who cares
wfProfileOut( __METHOD__ );
return $doEditStatus;
}
}
/**
* Commit the change of watch status
*/
protected function commitWatch() {
global $wgUser;
if ( $this->watchthis xor $this->mTitle->userIsWatching() ) {
$dbw = wfGetDB( DB_MASTER );
$dbw->begin();
if ( $this->watchthis ) {
WatchAction::doWatch( $this->mTitle, $wgUser );
} else {
WatchAction::doUnwatch( $this->mTitle, $wgUser );
}
$dbw->commit();
}
}
/**
* Check if no edits were made by other users since
* the time a user started editing the page. Limit to
* 50 revisions for the sake of performance.
*
* @param $id int
* @param $edittime string
*
* @return bool
*/
protected function userWasLastToEdit( $id, $edittime ) {
if( !$id ) return false;
$dbw = wfGetDB( DB_MASTER );
$res = $dbw->select( 'revision',
'rev_user',
array(
'rev_page' => $this->mTitle->getArticleId(),
'rev_timestamp > '.$dbw->addQuotes( $dbw->timestamp($edittime) )
),
__METHOD__,
array( 'ORDER BY' => 'rev_timestamp ASC', 'LIMIT' => 50 ) );
foreach ( $res as $row ) {
if( $row->rev_user != $id ) {
return false;
}
}
return true;
}
/**
* @private
* @todo document
*
* @parma $editText string
*
* @return bool
*/
function mergeChangesInto( &$editText ){
wfProfileIn( __METHOD__ );
$db = wfGetDB( DB_MASTER );
// This is the revision the editor started from
$baseRevision = $this->getBaseRevision();
if ( is_null( $baseRevision ) ) {
wfProfileOut( __METHOD__ );
return false;
}
$baseText = $baseRevision->getText();
// The current state, we want to merge updates into it
$currentRevision = Revision::loadFromTitle( $db, $this->mTitle );
if ( is_null( $currentRevision ) ) {
wfProfileOut( __METHOD__ );
return false;
}
$currentText = $currentRevision->getText();
$result = '';
if ( wfMerge( $baseText, $editText, $currentText, $result ) ) {
$editText = $result;
wfProfileOut( __METHOD__ );
return true;
} else {
wfProfileOut( __METHOD__ );
return false;
}
}
/**
* @return Revision
*/
function getBaseRevision() {
if ( !$this->mBaseRevision ) {
$db = wfGetDB( DB_MASTER );
$baseRevision = Revision::loadFromTimestamp(
$db, $this->mTitle, $this->edittime );
return $this->mBaseRevision = $baseRevision;
} else {
return $this->mBaseRevision;
}
}
/**
* Check given input text against $wgSpamRegex, and return the text of the first match.
*
* @param $text string
*
* @return string|false 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 $wgSpamRegex, and return the text of the first match.
*
* @parma $text string
*
* @return string|false matching string or false
*/
public static function matchSummarySpamRegex( $text ) {
global $wgSummarySpamRegex;
$regexes = (array)$wgSummarySpamRegex;
return self::matchSpamRegexInternal( $text, $regexes );
}
/**
* @param $text string
* @param $regexes array
* @return bool|string
*/
protected static function matchSpamRegexInternal( $text, $regexes ) {
foreach( $regexes as $regex ) {
$matches = array();
if( preg_match( $regex, $text, $matches ) ) {
return $matches[0];
}
}
return false;
}
function setHeaders() {
global $wgOut, $wgUser;
$wgOut->addModules( 'mediawiki.action.edit' );
if ( $wgUser->getOption( 'uselivepreview', false ) ) {
$wgOut->addModules( 'mediawiki.legacy.preview' );
}
// Bug #19334: textarea jumps when editing articles in IE8
$wgOut->addStyle( 'common/IE80Fixes.css', 'screen', 'IE 8' );
$wgOut->setRobotPolicy( 'noindex,nofollow' );
# Enabled article-related sidebar, toplinks, etc.
$wgOut->setArticleRelated( true );
if ( $this->isConflict ) {
$wgOut->setPageTitle( wfMessage( 'editconflict', $this->getContextTitle()->getPrefixedText() ) );
} elseif ( $this->section != '' ) {
$msg = $this->section == 'new' ? 'editingcomment' : 'editingsection';
$wgOut->setPageTitle( wfMessage( $msg, $this->getContextTitle()->getPrefixedText() ) );
} else {
# Use the title defined by DISPLAYTITLE magic word when present
if ( isset( $this->mParserOutput )
&& ( $dt = $this->mParserOutput->getDisplayTitle() ) !== false ) {
$title = $dt;
} else {
$title = $this->getContextTitle()->getPrefixedText();
}
$wgOut->setPageTitle( wfMessage( 'editing', $title ) );
}
}
/**
* 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' );
}
# 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 ) {
$parts = explode( '/', $this->mTitle->getText(), 2 );
$username = $parts[0];
$user = User::newFromName( $username, false /* allow IP users*/ );
$ip = User::isIP( $username );
if ( !($user && $user->isLoggedIn()) && !$ip ) { # User does not exist
$wgOut->wrapWikiMsg( "
\n$1\n
",
array( 'userpage-userdoesnotexist', wfEscapeWikiText( $username ) ) );
} elseif ( $user->isBlocked() ) { # Show log extract if the user is currently blocked
LogEventsList::showLogExtract(
$wgOut,
'block',
$user->getUserPage(),
'',
array(
'lim' => 1,
'showIfEmpty' => false,
'msgKey' => array(
'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() ) {
if ( $wgUser->isLoggedIn() ) {
$wgOut->wrapWikiMsg( "
", 'newarticletextanon' );
}
}
# Give a notice if the user is editing a deleted/moved page...
if ( !$this->mTitle->exists() ) {
LogEventsList::showLogExtract( $wgOut, array( 'delete', 'move' ), $this->mTitle,
'', array( 'lim' => 10,
'conds' => array( "log_action != 'revision'" ),
'showIfEmpty' => false,
'msgKey' => array( '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;
} else {
return false;
}
} else {
return false;
}
}
/**
* Send the edit form and related headers to $wgOut
* @param $formCallback Callback that takes an OutputPage parameter; will be called
* during form output near the top, for captchas and the like.
*/
function showEditForm( $formCallback = null ) {
global $wgOut, $wgUser;
wfProfileIn( __METHOD__ );
#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 = $this->getPreviewText();
}
wfRunHooks( 'EditPage::showEditForm:initial', array( &$this ) );
$this->setHeaders();
if ( $this->showHeader() === false ) {
wfProfileOut( __METHOD__ );
return;
}
$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' );
}
}
$wgOut->addHTML( Html::openElement( 'form', array( 'id' => 'editform', 'name' => 'editform',
'method' => 'post', 'action' => $this->getActionURL( $this->getContextTitle() ),
'enctype' => 'multipart/form-data' ) ) );
if ( is_callable( $formCallback ) ) {
call_user_func_array( $formCallback, array( &$wgOut ) );
}
wfRunHooks( 'EditPage::showEditForm:fields', array( &$this, &$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(
'
'
);
}
# 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 ) );
}
$autosumm = $this->autoSumm ? $this->autoSumm : md5( $this->summary );
$wgOut->addHTML( Html::hidden( 'wpAutoSummary', $autosumm ) );
$wgOut->addHTML( Html::hidden( 'oldid', $this->oldid ) );
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( EditPage::getEditToolbar() );
}
if ( $this->isConflict ) {
// In an edit conflict bypass the overrideable 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;
$this->textbox1 = $this->getCurrentText();
$this->showTextbox1();
} else {
$this->showContentForm();
}
$wgOut->addHTML( $this->editFormTextAfterContent );
$wgOut->addWikiText( $this->getCopywarn() );
$wgOut->addHTML( $this->editFormTextAfterWarn );
$this->showStandardInputs();
$this->showFormAfterText();
$this->showTosSummary();
$this->showEditTools();
$wgOut->addHTML( $this->editFormTextAfterTools . "\n" );
$wgOut->addHTML( Html::rawElement( 'div', array( 'class' => 'templatesUsed' ),
Linker::formatTemplates( $this->getTemplates(), $this->preview, $this->section != '' ) ) );
$wgOut->addHTML( Html::rawElement( 'div', array( 'class' => 'hiddencats' ),
Linker::formatHiddenCategories( $this->mArticle->getHiddenCategories() ) ) );
if ( $this->isConflict ) {
$this->showConflict();
}
$wgOut->addHTML( $this->editFormTextBottom . "\n\n" );
if ( !$wgUser->getOption( 'previewontop' ) ) {
$this->displayPreviewArea( $previewOutput, false );
}
wfProfileOut( __METHOD__ );
}
/**
* Extract the section title from current section text, if any.
*
* @param string $text
* @return Mixed|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, $wgMaxArticleSize, $wgLang;
if ( $this->mTitle->isTalkPage() ) {
$wgOut->addWikiMsg( 'talkpagetext' );
}
# Optional notices on a per-namespace and per-page basis
$editnotice_ns = 'editnotice-'.$this->mTitle->getNamespace();
$editnotice_ns_message = wfMessage( $editnotice_ns )->inContentLanguage();
if ( $editnotice_ns_message->exists() ) {
$wgOut->addWikiText( $editnotice_ns_message->plain() );
}
if ( MWNamespace::hasSubpages( $this->mTitle->getNamespace() ) ) {
$parts = explode( '/', $this->mTitle->getDBkey() );
$editnotice_base = $editnotice_ns;
while ( count( $parts ) > 0 ) {
$editnotice_base .= '-'.array_shift( $parts );
$editnotice_base_msg = wfMessage( $editnotice_base )->inContentLanguage();
if ( $editnotice_base_msg->exists() ) {
$wgOut->addWikiText( $editnotice_base_msg->plain() );
}
}
} else {
# Even if there are no subpages in namespace, we still don't want / in MW ns.
$editnoticeText = $editnotice_ns . '-' . str_replace( '/', '-', $this->mTitle->getDBkey() );
$editnoticeMsg = wfMessage( $editnoticeText )->inContentLanguage();
if ( $editnoticeMsg->exists() ) {
$wgOut->addWikiText( $editnoticeMsg->plain() );
}
}
if ( $this->isConflict ) {
$wgOut->wrapWikiMsg( "
\n$1\n
", 'explainconflict' );
$this->edittime = $this->mArticle->getTimestamp();
} else {
if ( $this->section != '' && !$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 false;
}
if ( $this->section != '' && $this->section != 'new' ) {
if ( !$this->summary && !$this->preview && !$this->diff ) {
$sectionTitle = self::extractSectionTitle( $this->textbox1 );
if ( $sectionTitle !== false ) {
$this->summary = "/* $sectionTitle */ ";
}
}
}
if ( $this->missingComment ) {
$wgOut->wrapWikiMsg( "
",
array( 'longpage-hint', $wgLang->formatSize( strlen( $this->textbox1 ) ), strlen( $this->textbox1 ) )
);
}
}
}
/**
* 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 array( 'id' => false ) to $userInputAttrs.
*
* @param $summary string The value of the summary input
* @param $labelText string The html to place inside the label
* @param $inputAttrs array of attrs to use on the input
* @param $spanLabelAttrs array of attrs to use on the span inside the label
*
* @return array An array in the format array( $label, $input )
*/
function getSummaryInput($summary = "", $labelText = null, $inputAttrs = null, $spanLabelAttrs = null) {
//Note: the maxlength is overriden in JS to 250 and to make it use UTF-8 bytes, not characters.
$inputAttrs = ( is_array($inputAttrs) ? $inputAttrs : array() ) + array(
'id' => 'wpSummary',
'maxlength' => '200',
'tabindex' => '1',
'size' => 60,
'spellcheck' => 'true',
) + Linker::tooltipAndAccesskeyAttribs( 'summary' );
$spanLabelAttrs = ( is_array($spanLabelAttrs) ? $spanLabelAttrs : array() ) + array(
'class' => $this->missingSummary ? 'mw-summarymissed' : 'mw-summary',
'id' => "wpSummaryLabel"
);
$label = null;
if ( $labelText ) {
$label = Xml::tags( 'label', $inputAttrs['id'] ? array( 'for' => $inputAttrs['id'] ) : null, $labelText );
$label = Xml::tags( 'span', $spanLabelAttrs, $label );
}
$input = Html::input( 'wpSummary', $summary, 'text', $inputAttrs );
return array( $label, $input );
}
/**
* @param $isSubjectPreview Boolean: true if this is the section subject/title
* up top, or false if this is the comment summary
* down below the textarea
* @param $summary String: The text of the summary to display
* @return String
*/
protected function showSummaryInput( $isSubjectPreview, $summary = "" ) {
global $wgOut, $wgContLang;
# 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;
}
}
$summary = $wgContLang->recodeForEdit( $summary );
$labelText = wfMsgExt( $isSubjectPreview ? 'subject' : 'summary', 'parseinline' );
list($label, $input) = $this->getSummaryInput($summary, $labelText, array( 'class' => $summaryClass ), array());
$wgOut->addHTML("{$label} {$input}");
}
/**
* @param $isSubjectPreview Boolean: true if this is the section subject/title
* up top, or false if this is the comment summary
* down below the textarea
* @param $summary String: the text of the summary to display
* @return String
*/
protected function getSummaryPreview( $isSubjectPreview, $summary = "" ) {
if ( !$summary || ( !$this->preview && !$this->diff ) )
return "";
global $wgParser;
if ( $isSubjectPreview )
$summary = wfMsgForContent( 'newsectionsummary', $wgParser->stripSectionName( $summary ) );
$message = $isSubjectPreview ? 'subject-preview' : 'summary-preview';
$summary = wfMsgExt( $message, 'parseinline' ) . Linker::commentBlock( $summary, $this->mTitle, $isSubjectPreview );
return Xml::tags( 'div', array( '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 $customAttribs An array of html attributes to use in the textarea
* @param $textoverride String: optional text to override $this->textarea1 with
*/
protected function showTextbox1( $customAttribs = null, $textoverride = null ) {
if ( $this->wasDeletedSinceLastEdit() && $this->formtype == 'save' ) {
$attribs = array( 'style' => 'display:none;' );
} else {
$classes = array(); // Textarea CSS
if ( $this->mTitle->getNamespace() != NS_MEDIAWIKI && $this->mTitle->isProtected( 'edit' ) ) {
# 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';
}
}
$attribs = array( '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', array( 'tabindex' => 6, 'readonly' ) );
}
protected function showTextbox( $content, $name, $customAttribs = array() ) {
global $wgOut, $wgUser;
$wikitext = $this->safeUnicodeOutput( $content );
if ( strval($wikitext) !== '' ) {
// Ensure there's a newline at the end, otherwise adding lines
// is awkward.
// But don't add a newline if the ext is empty, or Firefox in XHTML
// mode will show an extra newline. A bit annoying.
$wikitext .= "\n";
}
$attribs = $customAttribs + array(
'accesskey' => ',',
'id' => $name,
'cols' => $wgUser->getIntOption( 'cols' ),
'rows' => $wgUser->getIntOption( 'rows' ),
'style' => '' // avoid php notices when appending preferences (appending allows customAttribs['style'] to still work
);
$pageLang = $this->mTitle->getPageLanguage();
$attribs['lang'] = $pageLang->getCode();
$attribs['dir'] = $pageLang->getDir();
$wgOut->addHTML( Html::textarea( $name, $wikitext, $attribs ) );
}
protected function displayPreviewArea( $previewOutput, $isOnTop = false ) {
global $wgOut;
$classes = array();
if ( $isOnTop )
$classes[] = 'ontop';
$attribs = array( '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 );
}
$wgOut->addHTML( '' );
if ( $this->formtype == 'diff') {
$this->showDiff();
}
}
/**
* Append preview output to $wgOut.
* Includes category rendering if this is a category page.
*
* @param $text String: the HTML to be output for the preview.
*/
protected function showPreview( $text ) {
global $wgOut;
if ( $this->mTitle->getNamespace() == NS_CATEGORY) {
$this->mArticle->openShowCategory();
}
# This hook seems slightly odd here, but makes things more
# consistent for extensions.
wfRunHooks( 'OutputPageBeforeHTML',array( &$wgOut, &$text ) );
$wgOut->addHTML( $text );
if ( $this->mTitle->getNamespace() == NS_CATEGORY ) {
$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.
*/
function showDiff() {
global $wgUser, $wgContLang, $wgParser, $wgOut;
$oldtext = $this->mArticle->getRawText();
$newtext = $this->mArticle->replaceSection(
$this->section, $this->textbox1, $this->summary, $this->edittime );
wfRunHooks( 'EditPageGetDiffText', array( $this, &$newtext ) );
$popts = ParserOptions::newFromUserAndLang( $wgUser, $wgContLang );
$newtext = $wgParser->preSaveTransform( $newtext, $this->mTitle, $wgUser, $popts );
if ( $oldtext !== false || $newtext != '' ) {
$oldtitle = wfMsgExt( 'currentrev', array( 'parseinline' ) );
$newtitle = wfMsgExt( 'yourtext', array( 'parseinline' ) );
$de = new DifferenceEngine( $this->mArticle->getContext() );
$de->setText( $oldtext, $newtext );
$difftext = $de->getDiff( $oldtitle, $newtitle );
$de->showDiffStyle();
} else {
$difftext = '';
}
$wgOut->addHTML( '
' . $difftext . '
' );
}
/**
* 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';
wfRunHooks( 'EditPageTosSummary', array( $this->mTitle, &$msg ) );
if( !wfMessage( $msg )->isDisabled() ) {
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 $wgOut;
if ( wfRunHooks( 'EditPageBeforeConflictDiff', array( &$this, &$wgOut ) ) ) {
$wgOut->wrapWikiMsg( '
', "yourtext" );
$this->showTextbox2();
}
}
/**
* @return string
*/
public function getCancelLink() {
$cancelParams = array();
if ( !$this->isConflict && $this->oldid > 0 ) {
$cancelParams['oldid'] = $this->oldid;
}
return Linker::linkKnown(
$this->getContextTitle(),
wfMsgExt( 'cancel', array( 'parseinline' ) ),
array( 'id' => 'mw-editform-cancel' ),
$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 object for which is being edited (where we go to for &action= links)
* @return string
*/
protected function getActionURL( Title $title ) {
return $title->getLocalURL( array( '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.
*/
protected function wasDeletedSinceLastEdit() {
if ( $this->deletedSinceEdit !== null ) {
return $this->deletedSinceEdit;
}
$this->deletedSinceEdit = false;
if ( $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;
}
protected function getLastDelete() {
$dbr = wfGetDB( DB_SLAVE );
$data = $dbr->selectRow(
array( 'logging', 'user' ),
array( 'log_type',
'log_action',
'log_timestamp',
'log_user',
'log_namespace',
'log_title',
'log_comment',
'log_params',
'log_deleted',
'user_name' ),
array( 'log_namespace' => $this->mTitle->getNamespace(),
'log_title' => $this->mTitle->getDBkey(),
'log_type' => 'delete',
'log_action' => 'delete',
'user_id=log_user' ),
__METHOD__,
array( '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 = wfMsgHtml( 'rev-deleted-user' );
if( $data->log_deleted & LogPage::DELETED_COMMENT )
$data->log_comment = wfMsgHtml( 'rev-deleted-comment' );
}
return $data;
}
/**
* Get the rendered text for previewing.
* @return string
*/
function getPreviewText() {
global $wgOut, $wgUser, $wgParser, $wgRawHtml;
wfProfileIn( __METHOD__ );
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( "
" .
wfMsg( 'session_fail_preview_html' ) . "
", true, /* interface */true );
}
wfProfileOut( __METHOD__ );
return $parsedNote;
}
if ( $this->mTriedSave && !$this->mTokenOk ) {
if ( $this->mTokenOkExceptSuffix ) {
$note = wfMsg( 'token_suffix_mismatch' );
} else {
$note = wfMsg( 'session_fail_preview' );
}
} elseif ( $this->incompleteForm ) {
$note = wfMsg( 'edit_form_incomplete' );
} else {
$note = wfMsg( 'previewnote' );
}
$parserOptions = ParserOptions::newFromUser( $wgUser );
$parserOptions->setEditSection( false );
$parserOptions->setTidy( true );
$parserOptions->setIsPreview( true );
$parserOptions->setIsSectionPreview( !is_null($this->section) && $this->section !== '' );
# don't parse non-wikitext pages, show message about preview
# XXX: stupid php bug won't let us use $this->getContextTitle()->isCssJsSubpage() here -- This note has been there since r3530. Sure the bug was fixed time ago?
if ( $this->isCssJsSubpage || !$this->mTitle->isWikitextPage() ) {
if( $this->mTitle->isCssJsSubpage() ) {
$level = 'user';
} elseif( $this->mTitle->isCssOrJsPage() ) {
$level = 'site';
} else {
$level = false;
}
# Used messages to make sure grep find them:
# Messages: usercsspreview, userjspreview, sitecsspreview, sitejspreview
if( $level ) {
if (preg_match( "/\\.css$/", $this->mTitle->getText() ) ) {
$previewtext = "
' );
$wgOut->returnToMain( false, $wgTitle );
}
/**
* Show "your edit contains spam" page with your diff and text
*
* @param $match Text which triggered one or more filters
*/
public function spamPageWithContent( $match = false ) {
global $wgOut;
$this->textbox2 = $this->textbox1;
$wgOut->prepareErrorPage( wfMessage( 'spamprotectiontitle' ) );
$wgOut->addHTML( '