includes/specials/SpecialUnblock.php
<?php
/**
* 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
*/
namespace MediaWiki\Specials;
use LogEventsList;
use MediaWiki\Block\Block;
use MediaWiki\Block\BlockUtils;
use MediaWiki\Block\DatabaseBlock;
use MediaWiki\Block\DatabaseBlockStore;
use MediaWiki\Block\UnblockUserFactory;
use MediaWiki\HTMLForm\HTMLForm;
use MediaWiki\Request\WebRequest;
use MediaWiki\SpecialPage\SpecialPage;
use MediaWiki\Title\Title;
use MediaWiki\Title\TitleValue;
use MediaWiki\User\UserIdentity;
use MediaWiki\User\UserNamePrefixSearch;
use MediaWiki\User\UserNameUtils;
use MediaWiki\Watchlist\WatchlistManager;
use Wikimedia\IPUtils;
/**
* A special page for unblocking users
*
* @ingroup SpecialPage
*/
class SpecialUnblock extends SpecialPage {
/** @var UserIdentity|string|null */
protected $target;
/** @var int|null Block::TYPE_ constant */
protected $type;
/** @var DatabaseBlock|null */
protected $block;
private UnblockUserFactory $unblockUserFactory;
private BlockUtils $blockUtils;
private DatabaseBlockStore $blockStore;
private UserNameUtils $userNameUtils;
private UserNamePrefixSearch $userNamePrefixSearch;
private WatchlistManager $watchlistManager;
/**
* @param UnblockUserFactory $unblockUserFactory
* @param BlockUtils $blockUtils
* @param DatabaseBlockStore $blockStore
* @param UserNameUtils $userNameUtils
* @param UserNamePrefixSearch $userNamePrefixSearch
* @param WatchlistManager $watchlistManager
*/
public function __construct(
UnblockUserFactory $unblockUserFactory,
BlockUtils $blockUtils,
DatabaseBlockStore $blockStore,
UserNameUtils $userNameUtils,
UserNamePrefixSearch $userNamePrefixSearch,
WatchlistManager $watchlistManager
) {
parent::__construct( 'Unblock', 'block' );
$this->unblockUserFactory = $unblockUserFactory;
$this->blockUtils = $blockUtils;
$this->blockStore = $blockStore;
$this->userNameUtils = $userNameUtils;
$this->userNamePrefixSearch = $userNamePrefixSearch;
$this->watchlistManager = $watchlistManager;
}
public function doesWrites() {
return true;
}
public function execute( $par ) {
$this->checkPermissions();
$this->checkReadOnly();
[ $this->target, $this->type ] = $this->getTargetAndType( $par, $this->getRequest() );
$this->block = $this->blockStore->newFromTarget( $this->target );
if ( $this->target instanceof UserIdentity ) {
// Set the 'relevant user' in the skin, so it displays links like Contributions,
// User logs, UserRights, etc.
$this->getSkin()->setRelevantUser( $this->target );
}
$this->setHeaders();
$this->outputHeader();
$this->addHelpLink( 'Help:Blocking users' );
$out = $this->getOutput();
$out->setPageTitleMsg( $this->msg( 'unblockip' ) );
$out->addModules( [ 'mediawiki.userSuggest', 'mediawiki.special.block' ] );
$form = HTMLForm::factory( 'ooui', $this->getFields(), $this->getContext() )
->setWrapperLegendMsg( 'unblockip' )
->setSubmitCallback( function ( array $data, HTMLForm $form ) {
if ( $this->type != Block::TYPE_RANGE
&& $this->type != Block::TYPE_AUTO
&& $data['Watch']
) {
$this->watchlistManager->addWatchIgnoringRights(
$form->getUser(),
Title::makeTitle( NS_USER, $this->target )
);
}
return $this->unblockUserFactory->newUnblockUser(
$data['Target'],
$form->getContext()->getAuthority(),
$data['Reason'],
$data['Tags'] ?? []
)->unblock();
} )
->setSubmitTextMsg( 'ipusubmit' )
->addPreHtml( $this->msg( 'unblockiptext' )->parseAsBlock() );
$userPage = $this->getTargetUserTitle( $this->target );
if ( $userPage ) {
// Get relevant extracts from the block and suppression logs, if possible
$logExtract = '';
LogEventsList::showLogExtract(
$logExtract,
'block',
$userPage,
'',
[
'lim' => 10,
'msgKey' => [
'unblocklog-showlog',
$userPage->getText(),
],
'showIfEmpty' => false
]
);
if ( $logExtract !== '' ) {
$form->addPostHtml( $logExtract );
}
// Add suppression block entries if allowed
if ( $this->getAuthority()->isAllowed( 'suppressionlog' ) ) {
$logExtract = '';
LogEventsList::showLogExtract(
$logExtract,
'suppress',
$userPage,
'',
[
'lim' => 10,
'conds' => [ 'log_action' => [ 'block', 'reblock', 'unblock' ] ],
'msgKey' => [
'unblocklog-showsuppresslog',
$userPage->getText(),
],
'showIfEmpty' => false
]
);
if ( $logExtract !== '' ) {
$form->addPostHtml( $logExtract );
}
}
}
if ( $form->show() ) {
switch ( $this->type ) {
case Block::TYPE_IP:
$out->addWikiMsg( 'unblocked-ip', wfEscapeWikiText( $this->target ) );
break;
case Block::TYPE_USER:
$out->addWikiMsg( 'unblocked', wfEscapeWikiText( $this->target ) );
break;
case Block::TYPE_RANGE:
$out->addWikiMsg( 'unblocked-range', wfEscapeWikiText( $this->target ) );
break;
case Block::TYPE_ID:
case Block::TYPE_AUTO:
$out->addWikiMsg( 'unblocked-id', wfEscapeWikiText( $this->target ) );
break;
}
}
}
/**
* Get the target and type, given the request and the subpage parameter.
* Several parameters are handled for backwards compatability. 'wpTarget' is
* prioritized, since it matches the HTML form.
*
* @param string|null $par Subpage parameter
* @param WebRequest $request
* @return array [ UserIdentity|string|null, DatabaseBlock::TYPE_ constant|null ]
* @phan-return array{0:UserIdentity|string|null,1:int|null}
*/
private function getTargetAndType( ?string $par, WebRequest $request ) {
$possibleTargets = [
$request->getVal( 'wpTarget', null ),
$par,
$request->getVal( 'ip', null ),
// B/C @since 1.18
$request->getVal( 'wpBlockAddress', null ),
];
foreach ( $possibleTargets as $possibleTarget ) {
$targetAndType = $this->blockUtils->parseBlockTarget( $possibleTarget );
// If type is not null then target is valid
if ( $targetAndType[ 1 ] !== null ) {
break;
}
}
return $targetAndType;
}
/**
* Get a user page target for things like logs.
* This handles account and IP range targets.
* @param UserIdentity|string|null $target
* @return Title|null
*/
private function getTargetUserTitle( $target ): ?Title {
if ( $target instanceof UserIdentity ) {
return Title::makeTitle( NS_USER, $target->getName() );
}
if ( is_string( $target ) && IPUtils::isIPAddress( $target ) ) {
return Title::makeTitle( NS_USER, $target );
}
return null;
}
protected function getFields() {
$fields = [
'Target' => [
'type' => 'text',
'label-message' => 'ipaddressorusername',
'autofocus' => true,
'size' => '45',
'required' => true,
'cssclass' => 'mw-autocomplete-user', // used by mediawiki.userSuggest
],
'Name' => [
'type' => 'info',
'label-message' => 'ipaddressorusername',
],
'Reason' => [
'type' => 'text',
'label-message' => 'ipbreason',
]
];
if ( $this->block instanceof Block ) {
$type = $this->block->getType();
$targetName = $this->block->getTargetName();
// Autoblocks are logged as "autoblock #123 because the IP was recently used by
// User:Foo, and we've just got any block, auto or not, that applies to a target
// the user has specified. Someone could be fishing to connect IPs to autoblocks,
// so don't show any distinction between unblocked IPs and autoblocked IPs
if ( $type == Block::TYPE_AUTO && $this->type == Block::TYPE_IP ) {
$fields['Target']['default'] = $this->target;
unset( $fields['Name'] );
} else {
$fields['Target']['default'] = $targetName;
$fields['Target']['type'] = 'hidden';
switch ( $type ) {
case Block::TYPE_IP:
$fields['Name']['default'] = $this->getLinkRenderer()->makeKnownLink(
$this->getSpecialPageFactory()->getTitleForAlias( 'Contributions/' . $targetName ),
$targetName
);
$fields['Name']['raw'] = true;
break;
case Block::TYPE_USER:
$fields['Name']['default'] = $this->getLinkRenderer()->makeLink(
new TitleValue( NS_USER, $targetName ),
$targetName
);
$fields['Name']['raw'] = true;
break;
case Block::TYPE_RANGE:
$fields['Name']['default'] = $targetName;
break;
case Block::TYPE_AUTO:
$fields['Name']['default'] = $this->block->getRedactedName();
$fields['Name']['raw'] = true;
// Don't expose the real target of the autoblock
$fields['Target']['default'] = "#{$this->target}";
break;
}
// Target is hidden, so the reason is the first element
$fields['Target']['autofocus'] = false;
$fields['Reason']['autofocus'] = true;
}
} else {
$fields['Target']['default'] = $this->target;
unset( $fields['Name'] );
}
// Watchlist their user page? (Only if user is logged in)
if ( $this->getUser()->isRegistered() ) {
$fields['Watch'] = [
'type' => 'check',
'label-message' => 'ipbwatchuser',
];
}
return $fields;
}
/**
* 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 ) {
$search = $this->userNameUtils->getCanonical( $search );
if ( !$search ) {
// No prefix suggestion for invalid user
return [];
}
// Autocomplete subpage as user list - public to allow caching
return $this->userNamePrefixSearch
->search( UserNamePrefixSearch::AUDIENCE_PUBLIC, $search, $limit, $offset );
}
protected function getGroupName() {
return 'users';
}
}
/**
* Retain the old class name for backwards compatibility.
* @deprecated since 1.41
*/
class_alias( SpecialUnblock::class, 'SpecialUnblock' );