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<?php
class SpecialNuke extends SpecialPage {
public function __construct() {
parent::__construct( 'Nuke', 'nuke' );
}
public function doesWrites() {
return true;
}
public function execute( $par ) {
if ( !$this->userCanExecute( $this->getUser() ) ) {
$this->displayRestrictionError();
}
$this->setHeaders();
$this->outputHeader();
if ( $this->getUser()->isBlocked() ) {
$block = $this->getUser()->getBlock();
throw new UserBlockedError( $block );
}
if ( method_exists( $this, 'checkReadOnly' ) ) {
// checkReadOnly was introduced only in 1.19
$this->checkReadOnly();
}
$req = $this->getRequest();
$target = trim( $req->getText( 'target', $par ) );
// Normalise name
if ( $target !== '' ) {
$user = User::newFromName( $target );
if ( $user ) {
$target = $user->getName();
}
}
$msg = $target === '' ?
$this->msg( 'nuke-multiplepeople' )->inContentLanguage()->text() :
$this->msg( 'nuke-defaultreason', $target )->
inContentLanguage()->text();
$reason = $req->getText( 'wpReason', $msg );
$limit = $req->getInt( 'limit', 500 );
$namespace = $req->getVal( 'namespace' );
$namespace = ctype_digit( $namespace ) ? (int)$namespace : null;
if ( $req->wasPosted()
&& $this->getUser()->matchEditToken( $req->getVal( 'wpEditToken' ) )
) {
if ( $req->getVal( 'action' ) === 'delete' ) {
$pages = $req->getArray( 'pages' );
if ( $pages ) {
$this->doDelete( $pages, $reason );
return;
}
} elseif ( $req->getVal( 'action' ) === 'submit' ) {
$this->listForm( $target, $reason, $limit, $namespace );
} else {
$this->promptForm();
}
} elseif ( $target === '' ) {
$this->promptForm();
} else {
$this->listForm( $target, $reason, $limit, $namespace );
}
}
/**
* Prompt for a username or IP address.
*
* @param $userName string
*/
protected function promptForm( $userName = '' ) {
$out = $this->getOutput();
$out->addModules( 'mediawiki.userSuggest' );
$out->addWikiMsg( 'nuke-tools' );
$out->addHTML(
Xml::openElement(
'form',
[
'action' => $this->getPageTitle()->getLocalURL( 'action=submit' ),
'method' => 'post'
]
)
. '<table><tr>'
. '<td>' . Xml::label( $this->msg( 'nuke-userorip' )->text(), 'nuke-target' ) . '</td>'
. '<td>' . Xml::input(
'target',
40,
$userName,
[
'id' => 'nuke-target',
'class' => 'mw-autocomplete-user',
'autofocus' => true
]
) . '</td>'
. '</tr><tr>'
. '<td>' . Xml::label( $this->msg( 'nuke-pattern' )->text(), 'nuke-pattern' ) . '</td>'
. '<td>' . Xml::input( 'pattern', 40, '', [ 'id' => 'nuke-pattern' ] ) . '</td>'
. '</tr><tr>'
. '<td>' . Xml::label( $this->msg( 'nuke-namespace' )->text(), 'nuke-namespace' ) . '</td>'
. '<td>' . Html::namespaceSelector(
[ 'all' => 'all' ],
[ 'name' => 'namespace' ]
) . '</td>'
. '</tr><tr>'
. '<td>' . Xml::label( $this->msg( 'nuke-maxpages' )->text(), 'nuke-limit' ) . '</td>'
. '<td>' . Xml::input( 'limit', 7, '500', [ 'id' => 'nuke-limit' ] ) . '</td>'
. '</tr><tr>'
. '<td></td>'
. '<td>' . Xml::submitButton( $this->msg( 'nuke-submit-user' )->text() ) . '</td>'
. '</tr></table>'
. Html::hidden( 'wpEditToken', $this->getUser()->getEditToken() )
. Xml::closeElement( 'form' )
);
}
/**
* Display list of pages to delete.
*
* @param string $username
* @param string $reason
* @param integer $limit
* @param integer|null $namespace
*/
protected function listForm( $username, $reason, $limit, $namespace = null ) {
$out = $this->getOutput();
$pages = $this->getNewPages( $username, $limit, $namespace );
if ( count( $pages ) === 0 ) {
if ( $username === '' ) {
$out->addWikiMsg( 'nuke-nopages-global' );
} else {
$out->addWikiMsg( 'nuke-nopages', $username );
}
$this->promptForm( $username );
return;
}
if ( $username === '' ) {
$out->addWikiMsg( 'nuke-list-multiple' );
} else {
$out->addWikiMsg( 'nuke-list', $username );
}
$nuke = $this->getPageTitle();
$out->addModules( 'ext.nuke' );
$out->addHTML(
Xml::openElement( 'form', [
'action' => $nuke->getLocalURL( 'action=delete' ),
'method' => 'post',
'name' => 'nukelist' ]
) .
Html::hidden( 'wpEditToken', $this->getUser()->getEditToken() ) .
Xml::tags( 'p',
null,
Xml::inputLabel(
$this->msg( 'deletecomment' )->text(), 'wpReason', 'wpReason', 70, $reason
)
)
);
// Select: All, None, Invert
$links = [];
$links[] = '<a href="#" id="toggleall">' .
$this->msg( 'powersearch-toggleall' )->escaped() . '</a>';
$links[] = '<a href="#" id="togglenone">' .
$this->msg( 'powersearch-togglenone' )->escaped() . '</a>';
$links[] = '<a href="#" id="toggleinvert">' .
$this->msg( 'nuke-toggleinvert' )->escaped() . '</a>';
$out->addHTML(
Xml::tags( 'p',
null,
$this->msg( 'nuke-select' )
->rawParams( $this->getLanguage()->commaList( $links ) )->escaped()
)
);
// Delete button
$out->addHTML(
Xml::submitButton( $this->msg( 'nuke-submit-delete' )->text() )
);
$out->addHTML( '<ul>' );
$wordSeparator = $this->msg( 'word-separator' )->escaped();
$commaSeparator = $this->msg( 'comma-separator' )->escaped();
foreach ( $pages as $info ) {
/**
* @var $title Title
*/
list( $title, $userName ) = $info;
$image = $title->getNamespace() === NS_IMAGE ? wfLocalFile( $title ) : false;
$thumb = $image && $image->exists() ?
$image->transform( [ 'width' => 120, 'height' => 120 ], 0 ) :
false;
$userNameText = $userName ?
$this->msg( 'nuke-editby', $userName )->parse() . $commaSeparator :
'';
$changesLink = Linker::linkKnown(
$title,
$this->msg( 'nuke-viewchanges' )->escaped(),
[],
[ 'action' => 'history' ]
);
$out->addHTML( '<li>' .
Xml::check(
'pages[]',
true,
[ 'value' => $title->getPrefixedDBkey() ]
) . ' ' .
( $thumb ? $thumb->toHtml( [ 'desc-link' => true ] ) : '' ) .
Linker::linkKnown( $title ) . $wordSeparator .
$this->msg( 'parentheses' )->rawParams( $userNameText . $changesLink )->escaped() .
"</li>\n" );
}
$out->addHTML(
"</ul>\n" .
Xml::submitButton( wfMessage( 'nuke-submit-delete' )->text() ) .
'</form>'
);
}
/**
* Gets a list of new pages by the specified user or everyone when none is specified.
*
* @param string $username
* @param integer $limit
* @param integer|null $namespace
*
* @return array
*/
protected function getNewPages( $username, $limit, $namespace = null ) {
$dbr = wfGetDB( DB_SLAVE );
$what = [
'rc_namespace',
'rc_title',
'rc_timestamp',
];
$where = [ "(rc_new = 1) OR (rc_log_type = 'upload' AND rc_log_action = 'upload')" ];
if ( $username === '' ) {
$what[] = 'rc_user_text';
} else {
$where['rc_user_text'] = $username;
}
if ( $namespace !== null ) {
$where['rc_namespace'] = $namespace;
}
$pattern = $this->getRequest()->getText( 'pattern' );
if ( !is_null( $pattern ) && trim( $pattern ) !== '' ) {
$where[] = 'rc_title ' . $dbr->buildLike( $pattern );
}
$group = implode( ', ', $what );
$result = $dbr->select( 'recentchanges',
$what,
$where,
__METHOD__,
[
'ORDER BY' => 'rc_timestamp DESC',
'GROUP BY' => $group,
'LIMIT' => $limit
]
);
$pages = [];
foreach ( $result as $row ) {
$pages[] = [
Title::makeTitle( $row->rc_namespace, $row->rc_title ),
$username === '' ? $row->rc_user_text : false
];
}
// Allows other extensions to provide pages to be nuked that don't use
// the recentchanges table the way mediawiki-core does
Hooks::run( 'NukeGetNewPages', [ $username, $pattern, $namespace, $limit, &$pages ] );
// Re-enforcing the limit *after* the hook because other extensions
// may add and/or remove pages. We need to make sure we don't end up
// with more pages than $limit.
if ( count( $pages ) > $limit ) {
$pages = array_slice( $pages, 0, $limit );
}
return $pages;
}
/**
* Does the actual deletion of the pages.
*
* @param array $pages The pages to delete
* @param string $reason
* @throws PermissionsError
*/
protected function doDelete( array $pages, $reason ) {
$res = [];
foreach ( $pages as $page ) {
$title = Title::newFromText( $page );
$deletionResult = false;
if ( !Hooks::run( 'NukeDeletePage', [ $title, $reason, &$deletionResult ] ) ) {
if ( $deletionResult ) {
$res[] = wfMessage( 'nuke-deleted', $title->getPrefixedText() )->parse();
} else {
$res[] = wfMessage( 'nuke-not-deleted', $title->getPrefixedText() )->parse();
}
continue;
}
$file = $title->getNamespace() === NS_FILE ? wfLocalFile( $title ) : false;
$permission_errors = $title->getUserPermissionsErrors( 'delete', $this->getUser() );
if ( $permission_errors !== [] ) {
throw new PermissionsError( 'delete', $permission_errors );
}
if ( $file ) {
$oldimage = null; // Must be passed by reference
$ok = FileDeleteForm::doDelete( $title, $file, $oldimage, $reason, false )->isOK();
} else {
$article = new Article( $title, 0 );
$ok = $article->doDeleteArticle( $reason );
}
if ( $ok ) {
$res[] = wfMessage( 'nuke-deleted', $title->getPrefixedText() )->parse();
} else {
$res[] = wfMessage( 'nuke-not-deleted', $title->getPrefixedText() )->parse();
}
}
$this->getOutput()->addHTML( "<ul>\n<li>" . implode( "</li>\n<li>", $res ) . "</li>\n</ul>\n" );
$this->getOutput()->addWikiMsg( 'nuke-delete-more' );
}
/**
* Return an array of subpages beginning with $search that this special page will accept.
*
* @param string $search Prefix to search for
* @param int $limit Maximum number of results to return (usually 10)
* @param int $offset Number of results to skip (usually 0)
* @return string[] Matching subpages
*/
public function prefixSearchSubpages( $search, $limit, $offset ) {
if ( !class_exists( 'UserNamePrefixSearch' ) ) { // check for version 1.27
return [];
}
$user = User::newFromName( $search );
if ( !$user ) {
// No prefix suggestion for invalid user
return [];
}
// Autocomplete subpage as user list - public to allow caching
return UserNamePrefixSearch::search( 'public', $search, $limit, $offset );
}
protected function getGroupName() {
return 'pagetools';
}
}