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EditPage.php
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EditPage.php
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<?php
/**
* User interface for page editing.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License along
* with this program; if not, write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
* http://www.gnu.org/copyleft/gpl.html
*
* @file
*/
use MediaWiki\EditPage\TextboxBuilder;
use MediaWiki\EditPage\TextConflictHelper;
use MediaWiki\Logger\LoggerFactory;
use MediaWiki\MediaWikiServices;
use Wikimedia\ScopedCallback;
/**
* The edit page/HTML interface (split from Article)
* The actual database and text munging is still in Article,
* but it should get easier to call those from alternate
* interfaces.
*
* EditPage cares about two distinct titles:
* $this->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 {
/**
* Used for Unicode support checks
*/
const UNICODE_CHECK = 'ℳ𝒲♥𝓊𝓃𝒾𝒸ℴ𝒹ℯ';
/**
* 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;
/**
* Status: edit rejected because browser doesn't support Unicode.
*/
const AS_UNICODE_NOT_SUPPORTED = 242;
/**
* 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;
/**
* @deprecated for public usage since 1.30 use EditPage::getArticle()
* @var Article
*/
public $mArticle;
/** @var WikiPage */
private $page;
/**
* @deprecated for public usage since 1.30 use EditPage::getTitle()
* @var Title
*/
public $mTitle;
/** @var null|Title */
private $mContextTitle = null;
/** @var string */
public $action = 'submit';
/** @var bool Whether an edit conflict needs to be resolved. Detected based on whether
* $editRevId is different than the latest revision. When a conflict has successfully
* been resolved by a 3-way-merge, this field is set to false.
*/
public $isConflict = false;
/** @var bool New page or new section */
public $isNew = false;
/** @var bool */
public $deletedSinceEdit;
/** @var string */
public $formtype;
/** @var bool
* True the first time the edit form is rendered, false after re-rendering
* with diff, save prompts, etc.
*/
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|null A revision object corresponding to $this->editRevId. */
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
* Page content input field.
*/
public $textbox1 = '';
/** @var string */
public $textbox2 = '';
/** @var string */
public $summary = '';
/** @var bool
* If true, hide the summary field.
*/
public $nosummary = false;
/** @var string
* Timestamp of the latest revision of the page when editing was initiated
* on the client.
*/
public $edittime = '';
/** @var int Revision ID of the latest revision of the page when editing
* was initiated on the client. This is used to detect and resolve edit
* conflicts.
*
* @note 0 if the page did not exist at that time.
* @note When starting an edit from an old revision, this still records the current
* revision at the time, not the one the edit is based on.
*
* @see $oldid
* @see getBaseRevision()
*/
private $editRevId = null;
/** @var string */
public $section = '';
/** @var string */
public $sectiontitle = '';
/** @var string
* Timestamp from the first time the edit form was rendered.
*/
public $starttime = '';
/** @var int Revision ID the edit is based on, or 0 if it's the current revision.
* FIXME: This isn't used in conflict resolution--provide a better
* justification or merge with parentRevId.
* @see $editRevId
*/
public $oldid = 0;
/** @var int Revision ID the edit is based on, adjusted when an edit conflict is resolved.
* @see $editRevId
* @see $oldid
* @see getparentRevId()
*/
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 string|null What the user submitted in the 'wpUnicodeCheck' field
*/
private $unicodeCheck;
/**
* Factory function to create an edit conflict helper
*
* @var callable
*/
private $editConflictHelperFactory;
/**
* @var TextConflictHelper|null
*/
private $editConflictHelper;
/**
* @param Article $article
*/
public function __construct( Article $article ) {
$this->mArticle = $article;
$this->page = $article->getPage(); // model object
$this->mTitle = $article->getTitle();
// Make sure the local context is in sync with other member variables.
// Particularly make sure everything is using the same WikiPage instance.
// This should probably be the case in Article as well, but it's
// particularly important for EditPage, to make use of the in-place caching
// facility in WikiPage::prepareContentForEdit.
$this->context = new DerivativeContext( $article->getContext() );
$this->context->setWikiPage( $this->page );
$this->context->setTitle( $this->mTitle );
$this->contentModel = $this->mTitle->getContentModel();
$handler = ContentHandler::getForModelID( $this->contentModel );
$this->contentFormat = $handler->getDefaultFormat();
$this->editConflictHelperFactory = [ $this, 'newTextConflictHelper' ];
}
/**
* @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, but this is deprecated. This will
* throw an exception.
*
* @return Title
*/
public function getContextTitle() {
if ( is_null( $this->mContextTitle ) ) {
wfDeprecated( __METHOD__ . ' called with no title set', '1.32' );
global $wgTitle;
return $wgTitle;
} else {
return $this->mContextTitle;
}
}
/**
* 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() {
wfDeprecated( __METHOD__, '1.29' );
$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() {
// Allow extensions to modify/prevent this form or submission
if ( !Hooks::run( 'AlternateEdit', [ $this ] ) ) {
return;
}
wfDebug( __METHOD__ . ": enter\n" );
$request = $this->context->getRequest();
// If they used redlink=1 and the page exists, redirect to the main article
if ( $request->getBool( 'redlink' ) && $this->mTitle->exists() ) {
$this->context->getOutput()->redirect( $this->mTitle->getFullURL() );
return;
}
$this->importFormData( $request );
$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" );
if ( $this->context->getUser()->getBlock() ) {
// track block with a cookie if it doesn't exists already
$this->context->getUser()->trackBlockWithCookie();
// Auto-block user's IP if the account was "hard" blocked
if ( !wfReadOnly() ) {
DeferredUpdates::addCallableUpdate( function () {
$this->context->getUser()->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;
# 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 ( $this->formtype == 'save' ) {
$resultDetails = null;
$status = $this->attemptSave( $resultDetails );
if ( !$this->handleStatus( $status, $resultDetails ) ) {
return;
}
}
# First time through: get contents, set time for conflict
# checking, etc.
if ( $this->formtype == 'initial' || $this->firsttime ) {
if ( $this->initialiseForm() === false ) {
$out = $this->context->getOutput();
if ( $out->getRedirect() === '' ) { // mcrundo hack redirects, don't override it
$this->noSuchSectionPage();
}
return;
}
if ( !$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' ) {
$user = $this->context->getUser();
$permErrors = $this->mTitle->getUserPermissionsErrors( 'edit', $user, $rigor );
# Can this title be created?
if ( !$this->mTitle->exists() ) {
$permErrors = array_merge(
$permErrors,
wfArrayDiff2(
$this->mTitle->getUserPermissionsErrors( 'create', $user, $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 ) {
$out = $this->context->getOutput();
if ( $this->context->getRequest()->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.
$out->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,
$out->formatPermissionsErrorMessage( $permErrors, 'edit' )
);
}
/**
* Display a read-only View Source page
* @param Content $content
* @param string $errorMessage additional wikitext error message to display
*/
protected function displayViewSourcePage( Content $content, $errorMessage = '' ) {
$out = $this->context->getOutput();
Hooks::run( 'EditPage::showReadOnlyForm:initial', [ $this, &$out ] );
$out->setRobotPolicy( 'noindex,nofollow' );
$out->setPageTitle( $this->context->msg(
'viewsource-title',
$this->getContextTitle()->getPrefixedText()
) );
$out->addBacklinkSubtitle( $this->getContextTitle() );
$out->addHTML( $this->editFormPageTop );
$out->addHTML( $this->editFormTextTop );
if ( $errorMessage !== '' ) {
$out->addWikiTextAsInterface( $errorMessage );
$out->addHTML( "<hr />\n" );
}
# If the user made changes, preserve them when showing the markup
# (This happens when a user is blocked during edit, for instance)
if ( !$this->firsttime ) {
$text = $this->textbox1;
$out->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();
}
$out->addWikiMsg( 'viewsourcetext' );
}
$out->addHTML( $this->editFormTextBeforeContent );
$this->showTextbox( $text, 'wpTextbox1', [ 'readonly' ] );
$out->addHTML( $this->editFormTextAfterContent );
$out->addHTML( $this->makeTemplatesOnThisPageList( $this->getTemplates() ) );
$out->addModules( 'mediawiki.action.edit.collapsibleFooter' );
$out->addHTML( $this->editFormTextBottom );
if ( $this->mTitle->exists() ) {
$out->returnToMain( null, $this->mTitle );
}
}
/**
* Should we show a preview when the edit form is first shown?
*
* @return bool
*/
protected function previewOnOpen() {
$config = $this->context->getConfig();
$previewOnOpenNamespaces = $config->get( 'PreviewOnOpenNamespaces' );
$request = $this->context->getRequest();
if ( $config->get( 'RawHtml' ) ) {
// If raw HTML is enabled, disable preview on open
// since it has to be posted with a token for
// security reasons
return false;
}
if ( $request->getVal( 'preview' ) == 'yes' ) {
// Explicit override from request
return true;
} elseif ( $request->getVal( 'preview' ) == 'no' ) {
// Explicit override from request
return false;
} elseif ( $this->section == 'new' ) {
// Nothing *to* preview for new sections
return false;
} elseif ( ( $request->getCheck( 'preload' ) || $this->mTitle->exists() )
&& $this->context->getUser()->getOption( 'previewonfirst' )
) {
// Standard preference behavior
return true;
} elseif ( !$this->mTitle->exists()
&& isset( $previewOnOpenNamespaces[$this->mTitle->getNamespace()] )
&& $previewOnOpenNamespaces[$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 isWrongCaseUserConfigPage() {
if ( $this->mTitle->isUserConfigPage() ) {
$name = $this->mTitle->getSkinFromConfigSubpage();
$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 ) {
# 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 = rtrim( $request->getText( 'wpTextbox1' ) );
if ( !$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;
}
}
$this->unicodeCheck = $request->getText( 'wpUnicodeCheck' );
$this->summary = $request->getText( 'wpSummary' );
# 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 (T20654, T28312).
$this->sectiontitle = $request->getText( 'wpSectionTitle' );
$this->sectiontitle = preg_replace( '/^\s*=+\s*(.*?)\s*=+\s*$/', '$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->getCheck( 'wpTextbox1' ) ) {
// 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.
$this->incompleteForm = !$request->getVal( 'wpUltimateParam' );
}
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( $request->getPostValues(), 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 ) {