public static function onEditFilterMerged($editor, $text, &$error, $summary)
{
// Load vars
$vars = new AbuseFilterVariableHolder();
// Cache article object so we can share a parse operation
$title = $editor->mTitle;
$articleCacheKey = $title->getNamespace() . ':' . $title->getText();
AFComputedVariable::$articleCache[$articleCacheKey] = $editor->mArticle;
// Check for null edits.
$oldtext = '';
if ($editor->mArticle->exists()) {
$oldtext = $editor->mArticle->getContent();
}
if (strcmp($oldtext, $text) == 0) {
// Don't trigger for null edits.
return true;
}
global $wgUser;
$vars->addHolder(AbuseFilter::generateUserVars($wgUser));
$vars->addHolder(AbuseFilter::generateTitleVars($editor->mTitle, 'ARTICLE'));
$vars->setVar('ACTION', 'edit');
$vars->setVar('SUMMARY', $summary);
$vars->setVar('minor_edit', $editor->minoredit);
$vars->setVar('old_wikitext', $oldtext);
$vars->setVar('new_wikitext', $text);
$vars->addHolder(AbuseFilter::getEditVars($editor->mTitle));
$filter_result = AbuseFilter::filterAction($vars, $editor->mTitle);
if ($filter_result !== true) {
global $wgOut;
$wgOut->addHTML($filter_result);
$editor->showEditForm();
return false;
}
return true;
}
/**
* Entry points for MediaWiki hook 'EditFilterMerged'
*
* @param $editor EditPage instance (object)
* @param $text Content of the edit box
* @param &$error Error message to return
* @param $summary Edit summary for page
* @return bool
*/
public static function onEditFilterMerged($editor, $text, &$error, $summary)
{
// Load vars
$vars = new AbuseFilterVariableHolder();
// Check for null edits.
$oldtext = '';
$article = $editor->getArticle();
if ($article->exists()) {
//Wikia Change Start - Jakub Olek
$rev = $article->getRevision();
if ($rev instanceof Revision) {
// Make sure we load the latest text saved in database (bug 31656)
$oldtext = $rev->getRawText();
}
//Wikia Change End
}
// Cache article object so we can share a parse operation
$title = $editor->mTitle;
$articleCacheKey = $title->getNamespace() . ':' . $title->getText();
AFComputedVariable::$articleCache[$articleCacheKey] = $article;
if (strcmp($oldtext, $text) == 0) {
// Don't trigger for null edits.
return true;
}
global $wgUser;
$vars->addHolder(AbuseFilter::generateUserVars($wgUser));
$vars->addHolder(AbuseFilter::generateTitleVars($title, 'ARTICLE'));
$vars->setVar('ACTION', 'edit');
$vars->setVar('SUMMARY', $summary);
$vars->setVar('minor_edit', $editor->minoredit);
$vars->setVar('old_wikitext', $oldtext);
$vars->setVar('new_wikitext', $text);
$vars->addHolder(AbuseFilter::getEditVars($title, $article));
$filter_result = AbuseFilter::filterAction($vars, $title);
if ($filter_result !== true) {
global $wgOut;
$wgOut->addHTML($filter_result);
$editor->showEditForm();
return false;
}
return true;
}
/**
* Common implementation for the APIEditBeforeSave, EditFilterMerged
* and EditFilterMergedContent hooks.
*
* @param IContextSource $context the context of the edit
* @param Content|null $content the new Content generated by the edit
* @param string $text new page content (subject of filtering)
* @param Status $status Error message to return
* @param string $summary Edit summary for page
* @param bool $minoredit whether this is a minor edit according to the user.
*
* @return bool
*/
public static function filterEdit(IContextSource $context, $content, $text, Status $status, $summary, $minoredit)
{
// Load vars
$vars = new AbuseFilterVariableHolder();
$title = $context->getTitle();
// Some edits are running through multiple hooks, but we only want to filter them once
if (isset($title->editAlreadyFiltered)) {
return true;
} elseif ($title) {
$title->editAlreadyFiltered = true;
}
self::$successful_action_vars = false;
self::$last_edit_page = false;
$user = $context->getUser();
// Check for null edits.
$oldtext = '';
$oldcontent = null;
if ($title instanceof Title && $title->canExist() && $title->exists()) {
// Make sure we load the latest text saved in database (bug 31656)
$page = $context->getWikiPage();
$revision = $page->getRevision();
if (!$revision) {
return true;
}
if (defined('MW_SUPPORTS_CONTENTHANDLER')) {
$oldcontent = $revision->getContent(Revision::RAW);
$oldtext = AbuseFilter::contentToString($oldcontent);
} else {
$oldtext = AbuseFilter::revisionToString($revision, Revision::RAW);
}
// Cache article object so we can share a parse operation
$articleCacheKey = $title->getNamespace() . ':' . $title->getText();
AFComputedVariable::$articleCache[$articleCacheKey] = $page;
} else {
$page = null;
}
// Don't trigger for null edits.
if ($content && $oldcontent && $oldcontent->equals($content)) {
// Compare Content objects if available
return true;
} else {
if (strcmp($oldtext, $text) == 0) {
// Otherwise, compare strings
return true;
}
}
$vars->addHolders(AbuseFilter::generateUserVars($user), AbuseFilter::generateTitleVars($title, 'ARTICLE'));
$vars->setVar('action', 'edit');
$vars->setVar('summary', $summary);
$vars->setVar('minor_edit', $minoredit);
$vars->setVar('old_wikitext', $oldtext);
$vars->setVar('new_wikitext', $text);
// TODO: set old_content and new_content vars, use them
$vars->addHolders(AbuseFilter::getEditVars($title, $page));
$filter_result = AbuseFilter::filterAction($vars, $title);
if (!$filter_result->isOK()) {
$status->merge($filter_result);
return true;
// re-show edit form
}
self::$successful_action_vars = $vars;
self::$last_edit_page = $page;
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();
$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;
}