mediawiki-extensions-AbuseF.../includes/Views/AbuseFilterViewRevert.php
Daimona Eaytoy e65a69b6fe Only select needed columns in queries
Using '*' is handy, but we often end up selecting too much stuff.

Change-Id: I16d791ff8de6596de4fb65b1032b225f0bd65bf3
2018-09-03 14:12:41 +02:00

334 lines
9.4 KiB
PHP

<?php
class AbuseFilterViewRevert extends AbuseFilterView {
public $origPeriodStart, $origPeriodEnd, $mPeriodStart, $mPeriodEnd;
public $mReason;
/**
* Shows the page
*/
public function show() {
$lang = $this->getLanguage();
$filter = $this->mPage->mFilter;
$user = $this->getUser();
$out = $this->getOutput();
if ( !$user->isAllowed( 'abusefilter-revert' ) ) {
throw new PermissionsError( 'abusefilter-revert' );
}
$this->loadParameters();
if ( $this->attemptRevert() ) {
return;
}
$out->addWikiMsg( 'abusefilter-revert-intro', Message::numParam( $filter ) );
$out->setPageTitle( $this->msg( 'abusefilter-revert-title' )->numParams( $filter ) );
// First, the search form. Limit dates to avoid huge queries
$RCMaxAge = $this->getConfig()->get( 'RCMaxAge' );
$min = wfTimestamp( TS_ISO_8601, time() - $RCMaxAge );
$max = wfTimestampNow();
$filterLink =
$this->linkRenderer->makeLink(
SpecialPage::getTitleFor( 'AbuseFilter', intval( $filter ) ),
$lang->formatNum( intval( $filter ) )
);
$searchFields = [];
$searchFields['filterid'] = [
'type' => 'info',
'default' => $filterLink,
'raw' => true,
'label-message' => 'abusefilter-revert-filter'
];
$searchFields['periodstart'] = [
'type' => 'datetime',
'name' => 'wpPeriodStart',
'default' => $this->origPeriodStart,
'label-message' => 'abusefilter-revert-periodstart',
'min' => $min,
'max' => $max
];
$searchFields['periodend'] = [
'type' => 'datetime',
'name' => 'wpPeriodEnd',
'default' => $this->origPeriodEnd,
'label-message' => 'abusefilter-revert-periodend',
'min' => $min,
'max' => $max
];
HTMLForm::factory( 'ooui', $searchFields, $this->getContext() )
->addHiddenField( 'submit', 1 )
->setAction( $this->getTitle( "revert/$filter" )->getLocalURL() )
->setWrapperLegendMsg( 'abusefilter-revert-search-legend' )
->setSubmitTextMsg( 'abusefilter-revert-search' )
->setMethod( 'post' )
->prepareForm()
->displayForm( false );
if ( $this->mSubmit ) {
// Add a summary of everything that will be reversed.
$out->addWikiMsg( 'abusefilter-revert-preview-intro' );
// Look up all of them.
$results = $this->doLookup();
$list = [];
foreach ( $results as $result ) {
$displayActions = array_map(
[ 'AbuseFilter', 'getActionDisplay' ],
$result['actions'] );
$msg = $this->msg( 'abusefilter-revert-preview-item' )
->params(
$lang->timeanddate( $result['timestamp'], true )
)->rawParams(
Linker::userLink( $result['userid'], $result['user'] )
)->params(
$result['action']
)->rawParams(
$this->linkRenderer->makeLink( $result['title'] )
)->params(
$lang->commaList( $displayActions )
)->rawParams(
$this->linkRenderer->makeLink(
SpecialPage::getTitleFor( 'AbuseLog' ),
$this->msg( 'abusefilter-log-detailslink' )->text(),
[],
[ 'details' => $result['id'] ]
)
)->params( $result['user'] )->parse();
$list[] = Xml::tags( 'li', null, $msg );
}
$out->addHTML( Xml::tags( 'ul', null, implode( "\n", $list ) ) );
// Add a button down the bottom.
$confirmForm = [];
$confirmForm['edittoken'] = [
'type' => 'hidden',
'name' => 'editToken',
'default' => $user->getEditToken( "abusefilter-revert-$filter" )
];
$confirmForm['title'] = [
'type' => 'hidden',
'name' => 'title',
'default' => $this->getTitle( "revert/$filter" )->getPrefixedDBkey()
];
$confirmForm['wpPeriodStart'] = [
'type' => 'hidden',
'name' => 'wpPeriodStart',
'default' => $this->origPeriodStart
];
$confirmForm['wpPeriodEnd'] = [
'type' => 'hidden',
'name' => 'wpPeriodEnd',
'default' => $this->origPeriodEnd
];
$confirmForm['reason'] = [
'type' => 'text',
'label-message' => 'abusefilter-revert-reasonfield',
'name' => 'wpReason',
'id' => 'wpReason',
];
HTMLForm::factory( 'ooui', $confirmForm, $this->getContext() )
->setAction( $this->getTitle( "revert/$filter" )->getLocalURL() )
->setWrapperLegendMsg( 'abusefilter-revert-confirm-legend' )
->setSubmitTextMsg( 'abusefilter-revert-confirm' )
->setMethod( 'post' )
->prepareForm()
->displayForm( false );
}
}
/**
* @return array
*/
public function doLookup() {
$periodStart = $this->mPeriodStart;
$periodEnd = $this->mPeriodEnd;
$filter = $this->mPage->mFilter;
$conds = [ 'afl_filter' => $filter ];
$dbr = wfGetDB( DB_REPLICA );
if ( $periodStart ) {
$conds[] = 'afl_timestamp >= ' . $dbr->addQuotes( $dbr->timestamp( $periodStart ) );
}
if ( $periodEnd ) {
$conds[] = 'afl_timestamp <= ' . $dbr->addQuotes( $dbr->timestamp( $periodEnd ) );
}
// All but afl_filter, afl_ip, afl_deleted, afl_patrolled_by, afl_rev_id and afl_log_id
$selectFields = [
'afl_id',
'afl_user',
'afl_user_text',
'afl_action',
'afl_actions',
'afl_var_dump',
'afl_timestamp',
'afl_namespace',
'afl_title',
'afl_wiki',
];
$res = $dbr->select( 'abuse_filter_log', $selectFields, $conds, __METHOD__ );
$results = [];
foreach ( $res as $row ) {
// Don't revert if there was no action, or the action was global
if ( !$row->afl_actions || $row->afl_wiki != null ) {
continue;
}
$actions = explode( ',', $row->afl_actions );
$reversibleActions = [ 'block', 'blockautopromote', 'degroup' ];
$currentReversibleActions = array_intersect( $actions, $reversibleActions );
if ( count( $currentReversibleActions ) ) {
$results[] = [
'id' => $row->afl_id,
'actions' => $currentReversibleActions,
'user' => $row->afl_user_text,
'userid' => $row->afl_user,
'vars' => AbuseFilter::loadVarDump( $row->afl_var_dump ),
'title' => Title::makeTitle( $row->afl_namespace, $row->afl_title ),
'action' => $row->afl_action,
'timestamp' => $row->afl_timestamp
];
}
}
return $results;
}
/**
* Loads parameters from request
*/
public function loadParameters() {
$request = $this->getRequest();
$this->origPeriodStart = $request->getText( 'wpPeriodStart' );
$this->mPeriodStart = strtotime( $this->origPeriodStart );
$this->origPeriodEnd = $request->getText( 'wpPeriodEnd' );
$this->mPeriodEnd = strtotime( $this->origPeriodEnd );
$this->mSubmit = $request->getVal( 'submit' );
$this->mReason = $request->getVal( 'wpReason' );
}
/**
* @return bool
*/
public function attemptRevert() {
$filter = $this->mPage->mFilter;
$token = $this->getRequest()->getVal( 'editToken' );
if ( !$this->getUser()->matchEditToken( $token, "abusefilter-revert-$filter" ) ) {
return false;
}
$results = $this->doLookup();
foreach ( $results as $result ) {
$actions = $result['actions'];
foreach ( $actions as $action ) {
$this->revertAction( $action, $result );
}
}
$this->getOutput()->wrapWikiMsg(
'<p class="success">$1</p>',
[
'abusefilter-revert-success',
$filter,
$this->getLanguage()->formatNum( $filter )
]
);
return true;
}
/**
* @param string $action
* @param array $result
* @return bool
* @throws MWException
*/
public function revertAction( $action, $result ) {
switch ( $action ) {
case 'block':
$block = Block::newFromTarget( $result['user'] );
if ( !( $block && $block->getBy() == AbuseFilter::getFilterUser()->getId() ) ) {
// Not blocked by abuse filter
return false;
}
$block->delete();
$logEntry = new ManualLogEntry( 'block', 'unblock' );
$logEntry->setTarget( Title::makeTitle( NS_USER, $result['user'] ) );
$logEntry->setComment(
$this->msg(
'abusefilter-revert-reason', $this->mPage->mFilter, $this->mReason
)->inContentLanguage()->text()
);
$logEntry->setPerformer( $this->getUser() );
$logEntry->publish( $logEntry->insert() );
return true;
case 'blockautopromote':
ObjectCache::getMainStashInstance()->delete(
AbuseFilter::autoPromoteBlockKey( User::newFromId( $result['userid'] ) )
);
return true;
case 'degroup':
// Pull the user's groups from the vars.
$oldGroups = $result['vars']->getVar( 'user_groups' )->toNative();
$oldGroups = array_diff(
$oldGroups,
array_intersect( $oldGroups, User::getImplicitGroups() )
);
$rows = [];
foreach ( $oldGroups as $group ) {
$rows[] = [
'ug_user' => $result['userid'],
'ug_group' => $group
];
}
// Cheat a little bit. User::addGroup repeatedly is too slow.
$user = User::newFromId( $result['userid'] );
$currentGroups = $user->getGroups();
$newGroups = array_merge( $oldGroups, $currentGroups );
// Don't do anything if there are no groups to add.
if ( !count( array_diff( $newGroups, $currentGroups ) ) ) {
return false;
}
$dbw = wfGetDB( DB_MASTER );
$dbw->insert( 'user_groups', $rows, __METHOD__, [ 'IGNORE' ] );
$user->invalidateCache();
$logEntry = new ManualLogEntry( 'rights', 'rights' );
$logEntry->setTarget( $user->getUserPage() );
$logEntry->setPerformer( $this->getUser() );
$logEntry->setComment(
$this->msg(
'abusefilter-revert-reason',
$this->mPage->mFilter,
$this->mReason
)->inContentLanguage()->text()
);
$logEntry->setParameters( [
'4::oldgroups' => $currentGroups,
'5::newgroups' => $newGroups
] );
$logEntry->publish( $logEntry->insert() );
return true;
}
throw new MWException( 'Invalid action' . $action );
}
}