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<?php
/**
* Implements Special:Unblock
*
* 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
* @ingroup SpecialPage
*/
/**
* A special page for unblocking users
*
* @ingroup SpecialPage
*/
class SpecialUnblock extends SpecialPage {
protected $target;
protected $type;
protected $block;
public function __construct() {
parent::__construct( 'Unblock', 'block' );
}
public function execute( $par ) {
$this->checkPermissions();
$this->checkReadOnly();
list( $this->target, $this->type ) = SpecialBlock::getTargetAndType( $par, $this->getRequest() );
$this->block = Block::newFromTarget( $this->target );
$this->setHeaders();
$this->outputHeader();
$out = $this->getOutput();
$out->setPageTitle( $this->msg( 'unblockip' ) );
$out->addModules( 'mediawiki.special' );
$form = new HTMLForm( $this->getFields(), $this->getContext() );
$form->setWrapperLegendMsg( 'unblockip' );
$form->setSubmitCallback( array( __CLASS__, 'processUIUnblock' ) );
$form->setSubmitTextMsg( 'ipusubmit' );
$form->addPreText( $this->msg( 'unblockiptext' )->parseAsBlock() );
if( $form->show() ) {
switch( $this->type ) {
case Block::TYPE_USER:
case Block::TYPE_IP:
$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;
}
}
}
protected function getFields() {
$fields = array(
'Target' => array(
'type' => 'text',
'label-message' => 'ipadressorusername',
'tabindex' => '1',
'size' => '45',
'required' => true,
),
'Name' => array(
'type' => 'info',
'label-message' => 'ipadressorusername',
),
'Reason' => array(
'type' => 'text',
'label-message' => 'ipbreason',
)
);
if( $this->block instanceof Block ) {
list( $target, $type ) = $this->block->getTargetAndType();
# 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'] = $target;
$fields['Target']['type'] = 'hidden';
switch( $type ) {
case Block::TYPE_USER:
case Block::TYPE_IP:
$fields['Name']['default'] = Linker::link(
$target->getUserPage(),
$target->getName()
);
$fields['Name']['raw'] = true;
break;
case Block::TYPE_RANGE:
$fields['Name']['default'] = $target;
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;
}
}
} else {
$fields['Target']['default'] = $this->target;
unset( $fields['Name'] );
}
return $fields;
}
/**
* Submit callback for an HTMLForm object
* @return Array( Array(message key, parameters)
*/
public static function processUIUnblock( array $data, HTMLForm $form ) {
return self::processUnblock( $data, $form->getContext() );
}
/**
* Process the form
*
* @param $data Array
* @param $context IContextSource
* @throws ErrorPageError
* @return Array( Array(message key, parameters) ) on failure, True on success
*/
public static function processUnblock( array $data, IContextSource $context ) {
$performer = $context->getUser();
$target = $data['Target'];
$block = Block::newFromTarget( $data['Target'] );
if( !$block instanceof Block ) {
return array( array( 'ipb_cant_unblock', $target ) );
}
# bug 15810: blocked admins should have limited access here. This
# won't allow sysops to remove autoblocks on themselves, but they
# should have ipblock-exempt anyway
$status = SpecialBlock::checkUnblockSelf( $target, $performer );
if ( $status !== true ) {
throw new ErrorPageError( 'badaccess', $status );
}
# If the specified IP is a single address, and the block is a range block, don't
# unblock the whole range.
list( $target, $type ) = SpecialBlock::getTargetAndType( $target );
if( $block->getType() == Block::TYPE_RANGE && $type == Block::TYPE_IP ) {
$range = $block->getTarget();
return array( array( 'ipb_blocked_as_range', $target, $range ) );
}
# If the name was hidden and the blocking user cannot hide
# names, then don't allow any block removals...
if( !$performer->isAllowed( 'hideuser' ) && $block->mHideName ) {
return array( 'unblock-hideuser' );
}
# Delete block
if ( !$block->delete() ) {
return array( 'ipb_cant_unblock', htmlspecialchars( $block->getTarget() ) );
}
# Unset _deleted fields as needed
if( $block->mHideName ) {
# Something is deeply FUBAR if this is not a User object, but who knows?
$id = $block->getTarget() instanceof User
? $block->getTarget()->getID()
: User::idFromName( $block->getTarget() );
RevisionDeleteUser::unsuppressUserName( $block->getTarget(), $id );
}
# Redact the name (IP address) for autoblocks
if ( $block->getType() == Block::TYPE_AUTO ) {
$page = Title::makeTitle( NS_USER, '#' . $block->getId() );
} else {
$page = $block->getTarget() instanceof User
? $block->getTarget()->getUserpage()
: Title::makeTitle( NS_USER, $block->getTarget() );
}
# Make log entry
$log = new LogPage( 'block' );
$log->addEntry( 'unblock', $page, $data['Reason'] );
return true;
}
protected function getGroupName() {
return 'users';
}
}
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