/**
* Hook function for APIEditBeforeSave
*
* @param $editPage EditPage
* @param $text string
* @param $resultArr array
* @return bool
*/
static function filterAPIEditBeforeSave( $editPage, $text, &$resultArr ) {
$spamObj = BaseBlacklist::getInstance( 'spam' );
$title = $editPage->mArticle->getTitle();
$ret = $spamObj->filter( $title, $text, '', '', $editPage );
if ( $ret!==false ) {
$resultArr['spamblacklist'] = $ret;
}
// Return convention for hooks is the inverse of $wgFilterCallback
return ( $ret === false );
}
public function execute()
{
$params = $this->extractRequestParams();
$matches = BaseBlacklist::getInstance('spam')->filter($params['url'], NULL, true);
$res = $this->getResult();
if ($matches !== false) {
// this url is blacklisted.
$res->addValue('spamblacklist', 'result', 'blacklisted');
$res->setIndexedTagName($matches, 'match');
$res->addValue('spamblacklist', 'matches', $matches);
} else {
// not blacklisted
$res->addValue('spamblacklist', 'result', 'ok');
}
}
/**
* Hook function for EditFilter
* Confirm that a local blacklist page being saved is valid,
* and toss back a warning to the user if it isn't.
*
* @param $editPage EditPage
* @param $text string
* @param $section string
* @param $hookError string
* @return bool
*/
static function validate($editPage, $text, $section, &$hookError)
{
$thisPageName = $editPage->mTitle->getPrefixedDBkey();
if (!BaseBlacklist::isLocalSource($editPage->mTitle)) {
wfDebugLog('SpamBlacklist', "Spam blacklist validator: [[{$thisPageName}]] not a local blacklist\n");
return true;
}
$type = BaseBlacklist::getTypeFromTitle($editPage->mTitle);
if ($type === false) {
return true;
}
$lines = explode("\n", $text);
$badLines = SpamRegexBatch::getBadLines($lines, BaseBlacklist::getInstance($type));
if ($badLines) {
wfDebugLog('SpamBlacklist', "Spam blacklist validator: [[{$thisPageName}]] given invalid input lines: " . implode(', ', $badLines) . "\n");
$badList = "*<code>" . implode("</code>\n*<code>", array_map('wfEscapeWikiText', $badLines)) . "</code>\n";
$hookError = "<div class='errorbox'>" . wfMessage('spam-invalid-lines')->numParams($badLines)->text() . "<br />" . $badList . "</div>\n" . "<br clear='all' />\n";
} else {
wfDebugLog('SpamBlacklist', "Spam blacklist validator: [[{$thisPageName}]] ok or empty blacklist\n");
}
return true;
}
/**
* Hook function for PageContentSaveComplete
* Clear local spam blacklist caches on page save.
*
* @param Page $wikiPage
* @param User $user
* @param Content $content
* @param string $summary
* @param bool $isMinor
* @param bool $isWatch
* @param string $section
* @param int $flags
* @param int $revision
* @param Status $status
* @param int $baseRevId
*
* @return bool
*/
static function pageSaveContent(Page $wikiPage, User $user, Content $content, $summary, $isMinor, $isWatch, $section, $flags, $revision, Status $status, $baseRevId)
{
if (!BaseBlacklist::isLocalSource($wikiPage->getTitle())) {
return true;
}
// This sucks because every Blacklist needs to be cleared
foreach (BaseBlacklist::getBlacklistTypes() as $type => $class) {
$blacklist = BaseBlacklist::getInstance($type);
$blacklist->clearCache();
}
return true;
}
/**
* Check for abusive or spammy content
*
* Check the following in sequence (cheapest processing to most expensive,
* returning if we get a hit):
* 1) Respect $wgSpamRegex
* 2) Check SpamBlacklist
* 3) Check AbuseFilter
*
* @param $value string the text to check
* @param $pageId int the page ID
*/
private function findAbuse(&$value, $pageId)
{
// Respect $wgSpamRegex
global $wgSpamRegex;
if (is_array($wgSpamRegex) && count($wgSpamRegex) > 0 || is_string($wgSpamRegex) && strlen($wgSpamRegex) > 0) {
// In older versions, $wgSpamRegex may be a single string rather than
// an array of regexes, so make it compatible.
$regexes = (array) $wgSpamRegex;
foreach ($regexes as $regex) {
if (preg_match($regex, $value)) {
return true;
}
}
}
// Create a fake title so we can pretend this is an article edit
$title = Title::newFromText('__article_feedback_5__');
// Check SpamBlacklist, if installed
if (function_exists('wfSpamBlacklistObject')) {
$spam = wfSpamBlacklistObject();
} elseif (class_exists('BaseBlacklist')) {
$spam = BaseBlacklist::getInstance('spam');
}
if ($spam) {
$ret = $spam->filter($title, $value, '');
if ($ret !== false) {
return true;
}
}
// Check AbuseFilter, if installed
if (class_exists('AbuseFilter')) {
global $wgUser;
$vars = new AbuseFilterVariableHolder();
$vars->addHolder(AbuseFilter::generateUserVars($wgUser));
$vars->addHolder(AbuseFilter::generateTitleVars($title, 'FEEDBACK'));
$vars->setVar('SUMMARY', 'Article Feedback 5');
$vars->setVar('ACTION', 'feedback');
$vars->setVar('old_wikitext', '');
$vars->setVar('new_wikitext', $value);
$vars->addHolder(AbuseFilter::getEditVars($title));
$filter_result = AbuseFilter::filterAction($vars, $title);
return $filter_result != '' && $filter_result !== true;
}
return false;
}
