Current File : /www/varak.net/wiki.varak.net/includes/actions/RollbackAction.php
<?php
/**
* Edit rollback user interface
*
* 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
*
* @file
* @ingroup Actions
*/
/**
* User interface for the rollback action
*
* @ingroup Actions
*/
class RollbackAction extends FormlessAction {
public function getName() {
return 'rollback';
}
public function getRestriction() {
return 'rollback';
}
/**
* Temporarily unused message keys due to T88044/T136375:
* - confirm-rollback-top
* - confirm-rollback-button
* - rollbackfailed
* - rollback-missingparam
* - rollback-success-notify
*/
/**
* @throws ErrorPageError
*/
public function onView() {
// TODO: use $this->useTransactionalTimeLimit(); when POST only
wfTransactionalTimeLimit();
$request = $this->getRequest();
$user = $this->getUser();
$from = $request->getVal( 'from' );
$rev = $this->page->getRevision();
if ( $from === null ) {
throw new ErrorPageError( 'rollbackfailed', 'rollback-missingparam' );
}
if ( !$rev ) {
throw new ErrorPageError( 'rollbackfailed', 'rollback-missingrevision' );
}
if ( $from !== $rev->getUserText() ) {
throw new ErrorPageError( 'rollbackfailed', 'alreadyrolled', [
$this->getTitle()->getPrefixedText(),
$from,
$rev->getUserText()
] );
}
$data = null;
$errors = $this->page->doRollback(
$from,
$request->getText( 'summary' ),
$request->getVal( 'token' ),
$request->getBool( 'bot' ),
$data,
$this->getUser()
);
if ( in_array( [ 'actionthrottledtext' ], $errors ) ) {
throw new ThrottledError;
}
if ( isset( $errors[0][0] ) &&
( $errors[0][0] == 'alreadyrolled' || $errors[0][0] == 'cantrollback' )
) {
$this->getOutput()->setPageTitle( $this->msg( 'rollbackfailed' ) );
$errArray = $errors[0];
$errMsg = array_shift( $errArray );
$this->getOutput()->addWikiMsgArray( $errMsg, $errArray );
if ( isset( $data['current'] ) ) {
/** @var Revision $current */
$current = $data['current'];
if ( $current->getComment() != '' ) {
$this->getOutput()->addHTML( $this->msg( 'editcomment' )->rawParams(
Linker::formatComment( $current->getComment() ) )->parse() );
}
}
return;
}
# NOTE: Permission errors already handled by Action::checkExecute.
if ( $errors == [ [ 'readonlytext' ] ] ) {
throw new ReadOnlyError;
}
# XXX: Would be nice if ErrorPageError could take multiple errors, and/or a status object.
# Right now, we only show the first error
foreach ( $errors as $error ) {
throw new ErrorPageError( 'rollbackfailed', $error[0], array_slice( $error, 1 ) );
}
/** @var Revision $current */
$current = $data['current'];
$target = $data['target'];
$newId = $data['newid'];
$this->getOutput()->setPageTitle( $this->msg( 'actioncomplete' ) );
$this->getOutput()->setRobotPolicy( 'noindex,nofollow' );
$old = Linker::revUserTools( $current );
$new = Linker::revUserTools( $target );
$this->getOutput()->addHTML(
$this->msg( 'rollback-success' )
->rawParams( $old, $new )
->params( $current->getUserText( Revision::FOR_THIS_USER, $user ) )
->params( $target->getUserText( Revision::FOR_THIS_USER, $user ) )
->parseAsBlock()
);
if ( $user->getBoolOption( 'watchrollback' ) ) {
$user->addWatch( $this->page->getTitle(), User::IGNORE_USER_RIGHTS );
}
$this->getOutput()->returnToMain( false, $this->getTitle() );
if ( !$request->getBool( 'hidediff', false ) &&
!$this->getUser()->getBoolOption( 'norollbackdiff' )
) {
$contentHandler = $current->getContentHandler();
$de = $contentHandler->createDifferenceEngine(
$this->getContext(),
$current->getId(),
$newId,
false,
true
);
$de->showDiff( '', '' );
}
}
protected function getDescription() {
return '';
}
public function doesWrites() {
return true;
}
}
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