/**
* @param $action string
* @param $parameters array
* @param $title Title
* @param $vars AbuseFilterVariableHolder
* @param $rule_desc
* @param $rule_number int|string
*
* @return array|null a message describing the action that was taken,
* or null if no action was taken. The message is given as an array
* containing the message key followed by any message parameters.
*
* @note: Returning the message as an array instead of a Message object is
* needed for compatibility with MW 1.20: we will be constructing a
* Status object from these messages, and before 1.21, Status did
* not accept Message objects to be added directly.
*/
public static function takeConsequenceAction($action, $parameters, $title, $vars, $rule_desc, $rule_number)
{
global $wgAbuseFilterCustomActionsHandlers, $wgRequest;
$message = null;
switch ($action) {
case 'disallow':
if (strlen($parameters[0])) {
$message = array($parameters[0], $rule_desc, $rule_number);
} else {
// Generic message.
$message = array('abusefilter-disallowed', $rule_desc, $rule_number);
}
break;
case 'block':
global $wgUser, $wgAbuseFilterBlockDuration, $wgAbuseFilterAnonBlockDuration;
$filterUser = AbuseFilter::getFilterUser();
// Create a block.
$block = new Block();
$block->setTarget($wgUser->getName());
$block->setBlocker($filterUser);
$block->mReason = wfMessage('abusefilter-blockreason', $rule_desc, $rule_number)->inContentLanguage()->text();
$block->isHardblock(false);
$block->isAutoblocking(true);
$block->prevents('createaccount', true);
$block->prevents('editownusertalk', false);
if ($wgUser->isAnon() && $wgAbuseFilterAnonBlockDuration !== null) {
// The user isn't logged in and the anon block duration doesn't default to $wgAbuseFilterBlockDuration
$expiry = $wgAbuseFilterAnonBlockDuration;
} else {
$expiry = $wgAbuseFilterBlockDuration;
}
$block->mExpiry = SpecialBlock::parseExpiryInput($expiry);
$block->insert();
// Log it
# Prepare log parameters
$logParams = array();
if ($block->mExpiry == 'infinity') {
$logParams[] = 'indefinite';
} else {
$logParams[] = $expiry;
}
$logParams[] = 'nocreate';
$log = new LogPage('block');
$log->addEntry('block', Title::makeTitle(NS_USER, $wgUser->getName()), wfMessage('abusefilter-blockreason', $rule_desc, $rule_number)->inContentLanguage()->text(), $logParams, self::getFilterUser());
$message = array('abusefilter-blocked-display', $rule_desc, $rule_number);
break;
case 'rangeblock':
$filterUser = AbuseFilter::getFilterUser();
$range = IP::sanitizeRange($wgRequest->getIP() . '/16');
// Create a block.
$block = new Block();
$block->setTarget($range);
$block->setBlocker($filterUser);
$block->mReason = wfMessage('abusefilter-blockreason', $rule_desc, $rule_number)->inContentLanguage()->text();
$block->isHardblock(false);
$block->prevents('createaccount', true);
$block->prevents('editownusertalk', false);
$block->mExpiry = SpecialBlock::parseExpiryInput('1 week');
$block->insert();
// Log it
# Prepare log parameters
$logParams = array();
$logParams[] = 'indefinite';
$logParams[] = 'nocreate';
$log = new LogPage('block');
$log->addEntry('block', Title::makeTitle(NS_USER, $range), wfMessage('abusefilter-blockreason', $rule_desc, $rule_number)->inContentLanguage()->text(), $logParams, self::getFilterUser());
$message = array('abusefilter-blocked-display', $rule_desc, $rule_number);
break;
case 'degroup':
global $wgUser;
if (!$wgUser->isAnon()) {
// Remove all groups from the user. Ouch.
$groups = $wgUser->getGroups();
foreach ($groups as $group) {
$wgUser->removeGroup($group);
}
$message = array('abusefilter-degrouped', $rule_desc, $rule_number);
// Don't log it if there aren't any groups being removed!
if (!count($groups)) {
break;
}
// Log it.
$log = new LogPage('rights');
$log->addEntry('rights', $wgUser->getUserPage(), wfMessage('abusefilter-degroupreason', $rule_desc, $rule_number)->inContentLanguage()->text(), array(implode(', ', $groups), ''), self::getFilterUser());
}
break;
case 'blockautopromote':
global $wgUser, $wgMemc;
if (!$wgUser->isAnon()) {
$blockPeriod = (int) mt_rand(3 * 86400, 7 * 86400);
// Block for 3-7 days.
$wgMemc->set(self::autoPromoteBlockKey($wgUser), true, $blockPeriod);
$message = array('abusefilter-autopromote-blocked', $rule_desc, $rule_number);
}
break;
case 'flag':
// Do nothing. Here for completeness.
break;
case 'tag':
// Mark with a tag on recentchanges.
global $wgUser;
$actionID = implode('-', array($title->getPrefixedText(), $wgUser->getName(), $vars->getVar('ACTION')->toString()));
if (!isset(AbuseFilter::$tagsToSet[$actionID])) {
AbuseFilter::$tagsToSet[$actionID] = $parameters;
} else {
AbuseFilter::$tagsToSet[$actionID] = array_merge(AbuseFilter::$tagsToSet[$actionID], $parameters);
}
break;
default:
if (isset($wgAbuseFilterCustomActionsHandlers[$action])) {
$custom_function = $wgAbuseFilterCustomActionsHandlers[$action];
if (is_callable($custom_function)) {
$msg = call_user_func($custom_function, $action, $parameters, $title, $vars, $rule_desc, $rule_number);
}
if (isset($msg)) {
$message = array($msg);
}
} else {
wfDebugLog('AbuseFilter', "Unrecognised action {$action}");
}
}
return $message;
}
/**
* Block a list of selected users
*
* @param $users Array
* @param $reason String
* @param $tag String: replaces user pages
* @param $talkTag String: replaces user talk pages
* @return Array: list of html-safe usernames
*/
public static function doMassUserBlockInternal($users, $reason = '', $tag = '', $talkTag = '')
{
global $wgUser;
$counter = $blockSize = 0;
$safeUsers = array();
$log = new LogPage('block');
foreach ($users as $name) {
# Enforce limits
$counter++;
$blockSize++;
# Lets not go *too* fast
if ($blockSize >= 20) {
$blockSize = 0;
wfWaitForSlaves(5);
}
$u = User::newFromName($name, false);
// If user doesn't exist, it ought to be an IP then
if (is_null($u) || !$u->getId() && !IP::isIPAddress($u->getName())) {
continue;
}
$userTitle = $u->getUserPage();
$userTalkTitle = $u->getTalkPage();
$userpage = new Article($userTitle);
$usertalk = new Article($userTalkTitle);
$safeUsers[] = '[[' . $userTitle->getPrefixedText() . '|' . $userTitle->getText() . ']]';
$expirestr = $u->getId() ? 'indefinite' : '1 week';
$expiry = SpecialBlock::parseExpiryInput($expirestr);
$anonOnly = IP::isIPAddress($u->getName()) ? 1 : 0;
// Create the block
$block = new Block();
$block->setTarget($u);
$block->setBlocker($wgUser);
$block->mReason = $reason;
$block->mExpiry = $expiry;
$block->isHardblock(!IP::isIPAddress($u->getName()));
$block->isAutoblocking(true);
$block->prevents('createaccount', true);
$block->prevents('sendemail', false);
$block->prevents('editownusertalk', false);
$oldblock = Block::newFromTarget($u->getName());
if (!$oldblock) {
$block->insert();
# Prepare log parameters
$logParams = array();
$logParams[] = $expirestr;
if ($anonOnly) {
$logParams[] = 'anononly';
}
$logParams[] = 'nocreate';
# Add log entry
$log->addEntry('block', $userTitle, $reason, $logParams);
}
# Tag userpage! (check length to avoid mistakes)
if (strlen($tag) > 2) {
$userpage->doEdit($tag, $reason, EDIT_MINOR);
}
if (strlen($talkTag) > 2) {
$usertalk->doEdit($talkTag, $reason, EDIT_MINOR);
}
}
return $safeUsers;
}
/**
* @param $result ApiResult
* @param $vals array
* @param $params string
* @param $type string
* @param $action string
* @param $ts
* @return array
*/
public static function addLogParams($result, &$vals, $params, $type, $action, $ts)
{
$params = explode("\n", $params);
switch ($type) {
case 'move':
if (isset($params[0])) {
$title = Title::newFromText($params[0]);
if ($title) {
$vals2 = array();
ApiQueryBase::addTitleInfo($vals2, $title, 'new_');
$vals[$type] = $vals2;
}
}
if (isset($params[1]) && $params[1]) {
$vals[$type]['suppressedredirect'] = '';
}
$params = null;
break;
case 'patrol':
$vals2 = array();
list($vals2['cur'], $vals2['prev'], $vals2['auto']) = $params;
$vals[$type] = $vals2;
$params = null;
break;
case 'rights':
$vals2 = array();
list($vals2['old'], $vals2['new']) = $params;
$vals[$type] = $vals2;
$params = null;
break;
case 'block':
if ($action == 'unblock') {
break;
}
$vals2 = array();
list($vals2['duration'], $vals2['flags']) = $params;
// Indefinite blocks have no expiry time
if (SpecialBlock::parseExpiryInput($params[0]) !== wfGetDB(DB_SLAVE)->getInfinity()) {
$vals2['expiry'] = wfTimestamp(TS_ISO_8601, strtotime($params[0], wfTimestamp(TS_UNIX, $ts)));
}
$vals[$type] = $vals2;
$params = null;
break;
}
if (!is_null($params)) {
$result->setIndexedTagName($params, 'param');
$vals = array_merge($vals, $params);
}
return $vals;
}
/**
* @param ApiResult $result
* @param array $vals
* @param string $params
* @param string $type
* @param string $action
* @param string $ts
* @param bool $legacy
* @return array
*/
public static function addLogParams($result, &$vals, $params, $type, $action, $ts, $legacy = false)
{
switch ($type) {
case 'move':
if ($legacy) {
$targetKey = 0;
$noredirKey = 1;
} else {
$targetKey = '4::target';
$noredirKey = '5::noredir';
}
if (isset($params[$targetKey])) {
$title = Title::newFromText($params[$targetKey]);
if ($title) {
$vals2 = array();
ApiQueryBase::addTitleInfo($vals2, $title, 'new_');
$vals[$type] = $vals2;
}
}
if (isset($params[$noredirKey]) && $params[$noredirKey]) {
$vals[$type]['suppressedredirect'] = '';
}
$params = null;
break;
case 'patrol':
if ($legacy) {
$cur = 0;
$prev = 1;
$auto = 2;
} else {
$cur = '4::curid';
$prev = '5::previd';
$auto = '6::auto';
}
$vals2 = array();
$vals2['cur'] = $params[$cur];
$vals2['prev'] = $params[$prev];
$vals2['auto'] = $params[$auto];
$vals[$type] = $vals2;
$params = null;
break;
case 'rights':
$vals2 = array();
if ($legacy) {
list($vals2['old'], $vals2['new']) = $params;
} else {
$vals2['new'] = implode(', ', $params['5::newgroups']);
$vals2['old'] = implode(', ', $params['4::oldgroups']);
}
$vals[$type] = $vals2;
$params = null;
break;
case 'block':
if ($action == 'unblock') {
break;
}
$vals2 = array();
list($vals2['duration'], $vals2['flags']) = $params;
// Indefinite blocks have no expiry time
if (SpecialBlock::parseExpiryInput($params[0]) !== wfGetDB(DB_SLAVE)->getInfinity()) {
$vals2['expiry'] = wfTimestamp(TS_ISO_8601, strtotime($params[0], wfTimestamp(TS_UNIX, $ts)));
}
$vals[$type] = $vals2;
$params = null;
break;
case 'upload':
if (isset($params['img_timestamp'])) {
$params['img_timestamp'] = wfTimestamp(TS_ISO_8601, $params['img_timestamp']);
}
break;
}
if (!is_null($params)) {
$logParams = array();
// Keys like "4::paramname" can't be used for output so we change them to "paramname"
foreach ($params as $key => $value) {
if (strpos($key, ':') === false) {
$logParams[$key] = $value;
continue;
}
$logParam = explode(':', $key, 3);
$logParams[$logParam[2]] = $value;
}
$result->setIndexedTagName($logParams, 'param');
$result->setIndexedTagName_recursive($logParams, 'param');
$vals = array_merge($vals, $logParams);
}
return $vals;
}
/**
* Convert a submitted expiry time, which may be relative ("2 weeks", etc) or absolute
* ("24 May 2034"), into an absolute timestamp we can put into the database.
* @param $expiry String: whatever was typed into the form
* @return String: timestamp or "infinity" string for th DB implementation
* @deprecated since 1.18 moved to SpecialBlock::parseExpiryInput()
*/
public static function parseExpiryInput($expiry)
{
wfDeprecated(__METHOD__, '1.18');
return SpecialBlock::parseExpiryInput($expiry);
}
/**
* @param $result ApiResult
* @param $vals array
* @param $params string
* @param $type string
* @param $action string
* @param $ts
* @param $legacy bool
* @return array
*/
public static function addLogParams($result, &$vals, $params, $type, $action, $ts, $legacy = false)
{
switch ($type) {
case 'move':
if ($legacy) {
$targetKey = 0;
$noredirKey = 1;
} else {
$targetKey = '4::target';
$noredirKey = '5::noredir';
}
if (isset($params[$targetKey])) {
$title = Title::newFromText($params[$targetKey]);
if ($title) {
$vals2 = array();
ApiQueryBase::addTitleInfo($vals2, $title, 'new_');
$vals[$type] = $vals2;
}
}
if (isset($params[$noredirKey]) && $params[$noredirKey]) {
$vals[$type]['suppressedredirect'] = '';
}
$params = null;
break;
case 'patrol':
if ($legacy) {
$cur = 0;
$prev = 1;
$auto = 2;
} else {
$cur = '4::curid';
$prev = '5::previd';
$auto = '6::auto';
}
$vals2 = array();
$vals2['cur'] = $params[$cur];
$vals2['prev'] = $params[$prev];
$vals2['auto'] = $params[$auto];
$vals[$type] = $vals2;
$params = null;
break;
case 'rights':
$vals2 = array();
list($vals2['old'], $vals2['new']) = $params;
$vals[$type] = $vals2;
$params = null;
break;
case 'block':
if ($action == 'unblock') {
break;
}
$vals2 = array();
list($vals2['duration'], $vals2['flags']) = $params;
// Indefinite blocks have no expiry time
if (SpecialBlock::parseExpiryInput($params[0]) !== wfGetDB(DB_SLAVE)->getInfinity()) {
$vals2['expiry'] = wfTimestamp(TS_ISO_8601, strtotime($params[0], wfTimestamp(TS_UNIX, $ts)));
}
$vals[$type] = $vals2;
$params = null;
break;
}
if (!is_null($params)) {
$result->setIndexedTagName($params, 'param');
$result->setIndexedTagName_recursive($params, 'param');
$vals = array_merge($vals, $params);
}
return $vals;
}
public static function takeConsequenceAction($action, $parameters, $title, $vars, $rule_desc)
{
$display = '';
switch ($action) {
case 'disallow':
if (strlen($parameters[0])) {
$display .= wfMsgExt($parameters[0], 'parseinline', array($rule_desc)) . "\n";
} else {
// Generic message.
$display .= wfMsgExt('abusefilter-disallowed', 'parseinline', array($rule_desc)) . "<br />\n";
}
break;
case 'block':
global $wgUser, $wgAbuseFilterBlockDuration;
$filterUser = AbuseFilter::getFilterUser();
// Create a block.
$block = new Block();
$block->setTarget($wgUser->getName());
$block->setBlocker($filterUser);
$block->mReason = wfMsgForContent('abusefilter-blockreason', $rule_desc);
$block->isHardblock(false);
$block->prevents('createaccount', true);
$block->mExpiry = SpecialBlock::parseExpiryInput($wgAbuseFilterBlockDuration);
$block->insert();
// Log it
# Prepare log parameters
$logParams = array();
if ($block->mExpiry == 'infinity') {
$logParams[] = 'indefinite';
} else {
$logParams[] = $wgAbuseFilterBlockDuration;
}
$logParams[] = 'nocreate, angry-autoblock';
$log = new LogPage('block');
$log->addEntry('block', Title::makeTitle(NS_USER, $wgUser->getName()), wfMsgForContent('abusefilter-blockreason', $rule_desc), $logParams, self::getFilterUser());
$display .= wfMsgExt('abusefilter-blocked-display', 'parseinline', array($rule_desc)) . "<br />\n";
break;
case 'rangeblock':
$filterUser = AbuseFilter::getFilterUser();
$range = IP::sanitizeRange(wfGetIP() . '/16');
// Create a block.
$block = new Block();
$block->setTarget($range);
$block->setBlocker($filterUser);
$block->mReason = wfMsgForContent('abusefilter-blockreason', $rule_desc);
$block->isHardblock(false);
$block->prevents('createaccount', true);
$block->mExpiry = SpecialBlock::parseExpiryInput('1 week');
$block->insert();
// Log it
# Prepare log parameters
$logParams = array();
$logParams[] = 'indefinite';
$logParams[] = 'nocreate, angry-autoblock';
$log = new LogPage('block');
$log->addEntry('block', Title::makeTitle(NS_USER, $range), wfMsgForContent('abusefilter-blockreason', $rule_desc), $logParams, self::getFilterUser());
$display .= wfMsgExt('abusefilter-blocked-display', 'parseinline', $rule_desc) . "<br />\n";
break;
case 'degroup':
global $wgUser;
if (!$wgUser->isAnon()) {
// Remove all groups from the user. Ouch.
$groups = $wgUser->getGroups();
foreach ($groups as $group) {
$wgUser->removeGroup($group);
}
$display .= wfMsgExt('abusefilter-degrouped', 'parseinline', array($rule_desc)) . "<br />\n";
// Don't log it if there aren't any groups being removed!
if (!count($groups)) {
break;
}
// Log it.
$log = new LogPage('rights');
$log->addEntry('rights', $wgUser->getUserPage(), wfMsgForContent('abusefilter-degroupreason', $rule_desc), array(implode(', ', $groups), wfMsgForContent('rightsnone')), self::getFilterUser());
}
break;
case 'blockautopromote':
global $wgUser, $wgMemc;
if (!$wgUser->isAnon()) {
$blockPeriod = (int) mt_rand(3 * 86400, 7 * 86400);
// Block for 3-7 days.
$wgMemc->set(self::autoPromoteBlockKey($wgUser), true, $blockPeriod);
$display .= wfMsgExt('abusefilter-autopromote-blocked', 'parseinline', array($rule_desc)) . "<br />\n";
}
break;
case 'flag':
// Do nothing. Here for completeness.
break;
case 'tag':
// Mark with a tag on recentchanges.
global $wgUser;
$actionID = implode('-', array($title->getPrefixedText(), $wgUser->getName(), $vars->getVar('ACTION')->toString()));
AbuseFilter::$tagsToSet[$actionID] = $parameters;
break;
default:
wfDebugLog('AbuseFilter', "Unrecognised action {$action}");
}
return $display;
}
static function block($address, $reason, $expiry, $options = array())
{
global $wgContLang;
$expiry = SpecialBlock::parseExpiryInput($expiry);
$errors = self::insertBlock($address, $reason, $expiry, $options);
if (count($errors) > 0) {
return $errors;
}
$anonOnly = in_array('anon-only', $options);
$modify = in_array('modify', $options);
// Log it.
$logAction = $modify ? 'modify' : 'gblock2';
$flags = array();
if ($anonOnly) {
$flags[] = wfMsgForContent('globalblocking-list-anononly');
}
if ($expiry != 'infinity') {
$displayExpiry = $wgContLang->timeanddate($expiry);
$flags[] = wfMsgForContent('globalblocking-logentry-expiry', $displayExpiry);
} else {
$flags[] = wfMsgForContent('globalblocking-logentry-noexpiry');
}
$info = implode(', ', $flags);
$page = new LogPage('gblblock');
$page->addEntry($logAction, Title::makeTitleSafe(NS_USER, $address), $reason, array($info, $address));
return array();
}