3 * Edit rollback user interface
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6 * it under the terms of the GNU General Public License as published by
7 * the Free Software Foundation; either version 2 of the License, or
8 * (at your option) any later version.
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11 * but WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 * GNU General Public License for more details.
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16 * along with this program; if not, write to the Free Software
17 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA
24 * User interface for the rollback action
28 class RollbackAction
extends FormlessAction
{
30 public function getName() {
34 public function getRestriction() {
39 * Temporarily unused message keys due to T88044/T136375:
40 * - confirm-rollback-top
41 * - confirm-rollback-button
43 * - rollback-missingparam
44 * - rollback-success-notify
48 * @throws ErrorPageError
50 public function onView() {
51 // TODO: use $this->useTransactionalTimeLimit(); when POST only
52 wfTransactionalTimeLimit();
54 $request = $this->getRequest();
55 $user = $this->getUser();
56 $from = $request->getVal( 'from' );
57 $rev = $this->page
->getRevision();
58 if ( $from === null ) {
59 throw new ErrorPageError( 'rollbackfailed', 'rollback-missingparam' );
62 throw new ErrorPageError( 'rollbackfailed', 'rollback-missingrevision' );
64 if ( $from !== $rev->getUserText() ) {
65 throw new ErrorPageError( 'rollbackfailed', 'alreadyrolled', [
66 $this->getTitle()->getPrefixedText(),
72 // @TODO: remove this hack once rollback uses POST (T88044)
73 $trxLimits = $this->context
->getConfig()->get( 'TrxProfilerLimits' );
74 $trxProfiler = Profiler
::instance()->getTransactionProfiler();
75 $trxProfiler->setExpectations( $trxLimits['POST'], __METHOD__
);
78 $errors = $this->page
->doRollback(
80 $request->getText( 'summary' ),
81 $request->getVal( 'token' ),
82 $request->getBool( 'bot' ),
87 if ( in_array( [ 'actionthrottledtext' ], $errors ) ) {
88 throw new ThrottledError
;
91 if ( isset( $errors[0][0] ) &&
92 ( $errors[0][0] == 'alreadyrolled' ||
$errors[0][0] == 'cantrollback' )
94 $this->getOutput()->setPageTitle( $this->msg( 'rollbackfailed' ) );
95 $errArray = $errors[0];
96 $errMsg = array_shift( $errArray );
97 $this->getOutput()->addWikiMsgArray( $errMsg, $errArray );
99 if ( isset( $data['current'] ) ) {
100 /** @var Revision $current */
101 $current = $data['current'];
103 if ( $current->getComment() != '' ) {
104 $this->getOutput()->addHTML( $this->msg( 'editcomment' )->rawParams(
105 Linker
::formatComment( $current->getComment() ) )->parse() );
112 # NOTE: Permission errors already handled by Action::checkExecute.
113 if ( $errors == [ [ 'readonlytext' ] ] ) {
114 throw new ReadOnlyError
;
117 # XXX: Would be nice if ErrorPageError could take multiple errors, and/or a status object.
118 # Right now, we only show the first error
119 foreach ( $errors as $error ) {
120 throw new ErrorPageError( 'rollbackfailed', $error[0], array_slice( $error, 1 ) );
123 /** @var Revision $current */
124 $current = $data['current'];
125 $target = $data['target'];
126 $newId = $data['newid'];
127 $this->getOutput()->setPageTitle( $this->msg( 'actioncomplete' ) );
128 $this->getOutput()->setRobotPolicy( 'noindex,nofollow' );
130 $old = Linker
::revUserTools( $current );
131 $new = Linker
::revUserTools( $target );
132 $this->getOutput()->addHTML(
133 $this->msg( 'rollback-success' )
134 ->rawParams( $old, $new )
135 ->params( $current->getUserText( Revision
::FOR_THIS_USER
, $user ) )
136 ->params( $target->getUserText( Revision
::FOR_THIS_USER
, $user ) )
140 if ( $user->getBoolOption( 'watchrollback' ) ) {
141 $user->addWatch( $this->page
->getTitle(), User
::IGNORE_USER_RIGHTS
);
144 $this->getOutput()->returnToMain( false, $this->getTitle() );
146 if ( !$request->getBool( 'hidediff', false ) &&
147 !$this->getUser()->getBoolOption( 'norollbackdiff' )
149 $contentHandler = $current->getContentHandler();
150 $de = $contentHandler->createDifferenceEngine(
157 $de->showDiff( '', '' );
161 protected function getDescription() {
165 public function doesWrites() {