function show()
{
$user = $this->getUser();
$out = $this->getOutput();
$request = $this->getRequest();
$filter = $this->mFilter;
$history_id = $this->mHistoryID;
if ($filter == 'new' && !$user->isAllowed('abusefilter-modify')) {
$out->addWikiMsg('abusefilter-edit-notallowed');
return;
}
$editToken = $request->getVal('wpEditToken');
$didEdit = $this->canEdit() && $user->matchEditToken($editToken, array('abusefilter', $filter));
if ($didEdit) {
// Check syntax
$syntaxerr = AbuseFilter::checkSyntax($request->getVal('wpFilterRules'));
if ($syntaxerr !== true) {
$out->addHTML($this->buildFilterEditor(wfMsgExt('abusefilter-edit-badsyntax', array('parse'), array($syntaxerr[0])), $filter, $history_id));
return;
}
$dbw = wfGetDB(DB_MASTER);
list($newRow, $actions) = $this->loadRequest($filter);
$differences = AbuseFilter::compareVersions(array($newRow, $actions), array($newRow->mOriginalRow, $newRow->mOriginalActions));
$origActions = $newRow->mOriginalActions;
unset($newRow->mOriginalRow);
unset($newRow->mOriginalActions);
// Check for non-changes
if (!count($differences)) {
$out->redirect($this->getTitle()->getLocalURL());
return;
}
// Check for restricted actions
global $wgAbuseFilterRestrictedActions;
$allActions = array_keys(array_merge(array_filter($actions), array_filter($origActions)));
if (count(array_intersect($wgAbuseFilterRestrictedActions, $allActions)) && !$user->isAllowed('abusefilter-modify-restricted')) {
$out->addHTML($this->buildFilterEditor(wfMsgExt('abusefilter-edit-restricted', 'parse'), $this->mFilter, $history_id));
return;
}
// If we've activated the 'tag' option, check the arguments for validity.
if (!empty($actions['tag'])) {
$bad = false;
foreach ($actions['tag']['parameters'] as $tag) {
$t = Title::makeTitleSafe(NS_MEDIAWIKI, 'tag-' . $tag);
if (!$t) {
$bad = true;
}
if ($bad) {
$out->addHTML($this->buildFilterEditor(wfMsgExt('abusefilter-edit-bad-tags', 'parse'), $this->mFilter, $history_id));
return;
}
}
}
$newRow = get_object_vars($newRow);
// Convert from object to array
// Set last modifier.
$newRow['af_timestamp'] = $dbw->timestamp(wfTimestampNow());
$newRow['af_user'] = $user->getId();
$newRow['af_user_text'] = $user->getName();
$dbw->begin();
// Insert MAIN row.
if ($filter == 'new') {
$new_id = $dbw->nextSequenceValue('abuse_filter_af_id_seq');
$is_new = true;
} else {
$new_id = $this->mFilter;
$is_new = false;
}
// Reset throttled marker, if we're re-enabling it.
$newRow['af_throttled'] = $newRow['af_throttled'] && !$newRow['af_enabled'];
$newRow['af_id'] = $new_id;
// ID.
$dbw->replace('abuse_filter', array('af_id'), $newRow, __METHOD__);
if ($is_new) {
$new_id = $dbw->insertId();
}
// Actions
global $wgAbuseFilterAvailableActions;
$deadActions = array();
$actionsRows = array();
foreach ($wgAbuseFilterAvailableActions as $action) {
// Check if it's set
$enabled = isset($actions[$action]) && (bool) $actions[$action];
if ($enabled) {
$parameters = $actions[$action]['parameters'];
$thisRow = array('afa_filter' => $new_id, 'afa_consequence' => $action, 'afa_parameters' => implode("\n", $parameters));
$actionsRows[] = $thisRow;
} else {
$deadActions[] = $action;
}
}
// Create a history row
$afh_row = array();
foreach (AbuseFilter::$history_mappings as $af_col => $afh_col) {
$afh_row[$afh_col] = $newRow[$af_col];
}
// Actions
$displayActions = array();
foreach ($actions as $action) {
$displayActions[$action['action']] = $action['parameters'];
}
$afh_row['afh_actions'] = serialize($displayActions);
$afh_row['afh_changed_fields'] = implode(',', $differences);
// Flags
$flags = array();
if ($newRow['af_hidden']) {
$flags[] = 'hidden';
}
if ($newRow['af_enabled']) {
$flags[] = 'enabled';
}
if ($newRow['af_deleted']) {
$flags[] = 'deleted';
}
if ($newRow['af_global']) {
$flags[] = 'global';
}
$afh_row['afh_flags'] = implode(',', $flags);
$afh_row['afh_filter'] = $new_id;
$afh_row['afh_id'] = $dbw->nextSequenceValue('abuse_filter_af_id_seq');
// Do the update
$dbw->insert('abuse_filter_history', $afh_row, __METHOD__);
$history_id = $dbw->insertId();
if ($filter != 'new') {
$dbw->delete('abuse_filter_action', array('afa_filter' => $filter), __METHOD__);
}
$dbw->insert('abuse_filter_action', $actionsRows, __METHOD__);
$dbw->commit();
// Logging
$lp = new LogPage('abusefilter');
$lp->addEntry('modify', $this->getTitle($new_id), '', array($history_id, $new_id));
// Special-case stuff for tags -- purge the tag list cache.
if (isset($actions['tag'])) {
global $wgMemc;
$wgMemc->delete(wfMemcKey('valid-tags'));
}
AbuseFilter::resetFilterProfile($new_id);
$out->redirect($this->getTitle()->getLocalURL('result=success&changedfilter=' . $new_id));
} else {
if ($history_id) {
$out->addWikiMsg('abusefilter-edit-oldwarning', $this->mHistoryID, $this->mFilter);
}
$out->addHTML($this->buildFilterEditor(null, $this->mFilter, $history_id));
if ($history_id) {
$out->addWikiMsg('abusefilter-edit-oldwarning', $this->mHistoryID, $this->mFilter);
}
}
}