mirror of
https://gerrit.wikimedia.org/r/mediawiki/extensions/AbuseFilter.git
synced 2024-11-27 15:30:42 +00:00
ae2c2f7e67
Patchset 2: Handle more content types Patchset 3: Change cover letter Patchset 4: Make it b/c Patchset 5: Refactor and use previous audience Patchset 6: Fixed/ minor changes Change-Id: Ib1d2f9803bc95bb9efd445e3778126d5c3090a71
479 lines
15 KiB
PHP
479 lines
15 KiB
PHP
<?php
|
|
|
|
class AbuseFilterHooks {
|
|
static $successful_action_vars = false;
|
|
/** @var WikiPage|Article|bool */
|
|
static $last_edit_page = false; // make sure edit filter & edit save hooks match
|
|
// So far, all of the error message out-params for these hooks accept HTML.
|
|
// Hooray!
|
|
|
|
/**
|
|
* Entry points for MediaWiki hook 'EditFilterMerged'
|
|
*
|
|
* @param $editor EditPage instance (object)
|
|
* @param $text string Content of the edit box
|
|
* @param &$error string Error message to return
|
|
* @param $summary string Edit summary for page
|
|
* @return bool
|
|
*/
|
|
public static function onEditFilterMerged( $editor, $text, &$error, $summary ) {
|
|
// Load vars
|
|
$vars = new AbuseFilterVariableHolder;
|
|
|
|
# Replace line endings so the filter won't get confused as $text
|
|
# was not processed by Parser::preSaveTransform (bug 20310)
|
|
$text = str_replace( "\r\n", "\n", $text );
|
|
|
|
self::$successful_action_vars = false;
|
|
self::$last_edit_page = false;
|
|
|
|
// Check for null edits.
|
|
$oldtext = '';
|
|
|
|
$article = $editor->getArticle();
|
|
if ( $article->exists() ) {
|
|
// Make sure we load the latest text saved in database (bug 31656)
|
|
$revision = $article->getRevision();
|
|
if ( !$revision ) {
|
|
return true;
|
|
}
|
|
$oldtext = AbuseFilter::revisionToString( $revision, Revision::RAW );
|
|
}
|
|
|
|
// 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 );
|
|
$editor->showEditForm();
|
|
return false;
|
|
}
|
|
|
|
self::$successful_action_vars = $vars;
|
|
self::$last_edit_page = $editor->mArticle;
|
|
|
|
return true;
|
|
}
|
|
|
|
public static function onArticleSaveComplete(
|
|
&$article, &$user, $text, $summary, $minoredit, $watchthis, $sectionanchor,
|
|
&$flags, $revision
|
|
) {
|
|
if ( ! self::$successful_action_vars || ! $revision ) {
|
|
self::$successful_action_vars = false;
|
|
return true;
|
|
}
|
|
|
|
$vars = self::$successful_action_vars;
|
|
|
|
if ( ( $vars->getVar('article_prefixedtext')->toString() !==
|
|
$article->getTitle()->getPrefixedText() ) ||
|
|
( $vars->getVar('summary')->toString() !== $summary )
|
|
) {
|
|
return true;
|
|
}
|
|
|
|
if ( !self::identicalPageObjects( $article, self::$last_edit_page ) ) {
|
|
return true; // this isn't the edit $successful_action_vars was set for
|
|
}
|
|
self::$last_edit_page = false;
|
|
|
|
if ( $vars->getVar('local_log_ids') ) {
|
|
// Now actually do our storage
|
|
$log_ids = $vars->getVar('local_log_ids')->toNative();
|
|
$dbw = wfGetDB( DB_MASTER );
|
|
|
|
if ( count($log_ids) ) {
|
|
$dbw->update( 'abuse_filter_log',
|
|
array( 'afl_rev_id' => $revision->getId() ),
|
|
array( 'afl_id' => $log_ids ),
|
|
__METHOD__
|
|
);
|
|
}
|
|
}
|
|
|
|
if ( $vars->getVar('global_log_ids') ) {
|
|
$log_ids = $vars->getVar('global_log_ids')->toNative();
|
|
|
|
global $wgAbuseFilterCentralDB;
|
|
$fdb = wfGetDB( DB_MASTER, array(), $wgAbuseFilterCentralDB );
|
|
|
|
if ( count($log_ids) ) {
|
|
$fdb->update( 'abuse_filter_log',
|
|
array( 'afl_rev_id' => $revision->getId() ),
|
|
array( 'afl_id' => $log_ids, 'afl_wiki' => wfWikiId() ),
|
|
__METHOD__
|
|
);
|
|
}
|
|
}
|
|
|
|
return true;
|
|
}
|
|
|
|
/**
|
|
* Check if two article objects are identical or have an identical WikiPage
|
|
* @param $page1 Article|WikiPage
|
|
* @param $page2 Article|WikiPage
|
|
* @return bool
|
|
*/
|
|
protected static function identicalPageObjects( $page1, $page2 ) {
|
|
if ( ( class_exists('MWInit') && MWInit::methodExists( 'Article', 'getPage' ) ) ||
|
|
( !class_exists('MWInit') && method_exists('Article', 'getPage') )
|
|
) {
|
|
$wpage1 = ( $page1 instanceof Article ) ? $page1->getPage() : $page1;
|
|
$wpage2 = ( $page2 instanceof Article ) ? $page2->getPage() : $page2;
|
|
return ( $wpage1 === $wpage2 );
|
|
} else { // b/c for before WikiPage
|
|
return ( $page1 === $page2 ); // should be two Article objects
|
|
}
|
|
}
|
|
|
|
/**
|
|
* @param $user
|
|
* @param $promote
|
|
* @return bool
|
|
*/
|
|
public static function onGetAutoPromoteGroups( $user, &$promote ) {
|
|
global $wgMemc;
|
|
|
|
$key = AbuseFilter::autoPromoteBlockKey( $user );
|
|
|
|
if ( $wgMemc->get( $key ) ) {
|
|
$promote = array();
|
|
}
|
|
|
|
return true;
|
|
}
|
|
|
|
/**
|
|
* @param $oldTitle Title
|
|
* @param $newTitle Title
|
|
* @param $user User
|
|
* @param $error
|
|
* @param $reason
|
|
* @return bool
|
|
*/
|
|
public static function onAbortMove( $oldTitle, $newTitle, $user, &$error, $reason ) {
|
|
$vars = new AbuseFilterVariableHolder;
|
|
|
|
global $wgUser;
|
|
$vars->addHolder(
|
|
AbuseFilterVariableHolder::merge(
|
|
AbuseFilter::generateUserVars( $wgUser ),
|
|
AbuseFilter::generateTitleVars( $oldTitle, 'MOVED_FROM' ),
|
|
AbuseFilter::generateTitleVars( $newTitle, 'MOVED_TO' )
|
|
)
|
|
);
|
|
$vars->setVar( 'SUMMARY', $reason );
|
|
$vars->setVar( 'ACTION', 'move' );
|
|
|
|
$filter_result = AbuseFilter::filterAction( $vars, $oldTitle );
|
|
|
|
$error = $filter_result;
|
|
|
|
return $filter_result == '' || $filter_result === true;
|
|
}
|
|
|
|
/**
|
|
* @param $article Article
|
|
* @param $user User
|
|
* @param $reason string
|
|
* @param $error
|
|
* @return bool
|
|
*/
|
|
public static function onArticleDelete( &$article, &$user, &$reason, &$error ) {
|
|
$vars = new AbuseFilterVariableHolder;
|
|
|
|
global $wgUser;
|
|
$vars->addHolder( AbuseFilter::generateUserVars( $wgUser ) );
|
|
$vars->addHolder( AbuseFilter::generateTitleVars( $article->getTitle(), 'ARTICLE' ) );
|
|
$vars->setVar( 'SUMMARY', $reason );
|
|
$vars->setVar( 'ACTION', 'delete' );
|
|
|
|
$filter_result = AbuseFilter::filterAction( $vars, $article->getTitle() );
|
|
|
|
$error = $filter_result;
|
|
|
|
return $filter_result == '' || $filter_result === true;
|
|
}
|
|
|
|
/**
|
|
* @param $user User
|
|
* @param $message
|
|
* @param $autocreate bool Indicates whether the account is created automatically.
|
|
* @return bool
|
|
*/
|
|
private static function checkNewAccount( $user, &$message, $autocreate ) {
|
|
if ( $user->getName() == wfMessage( 'abusefilter-blocker' )->inContentLanguage()->text() ) {
|
|
$message = wfMessage( 'abusefilter-accountreserved' )->text();
|
|
|
|
return false;
|
|
}
|
|
|
|
$vars = new AbuseFilterVariableHolder;
|
|
|
|
// Add variables only for a registered user, so IP addresses of
|
|
// new users won't be exposed
|
|
global $wgUser;
|
|
if ( $wgUser->getId() ) {
|
|
$vars->addHolder( AbuseFilter::generateUserVars( $wgUser ) );
|
|
}
|
|
|
|
$vars->setVar( 'ACTION', $autocreate ? 'autocreateaccount' : 'createaccount' );
|
|
$vars->setVar( 'ACCOUNTNAME', $user->getName() );
|
|
|
|
$filter_result = AbuseFilter::filterAction(
|
|
$vars, SpecialPage::getTitleFor( 'Userlogin' ) );
|
|
|
|
$message = $filter_result;
|
|
|
|
return $filter_result == '' || $filter_result === true;
|
|
}
|
|
|
|
/**
|
|
* @param $user User
|
|
* @param $message
|
|
* @return bool
|
|
*/
|
|
public static function onAbortNewAccount( $user, &$message ) {
|
|
return self::checkNewAccount( $user, $message, false );
|
|
}
|
|
|
|
/**
|
|
* @param $user User
|
|
* @param $message
|
|
* @return bool
|
|
*/
|
|
public static function onAbortAutoAccount( $user, &$message ) {
|
|
// FIXME: ERROR MESSAGE IS SHOWN IN A WEIRD WAY, BEACUSE $message
|
|
// HERE MEANS NAME OF THE MESSAGE, NOT THE TEXT OF THE MESSAGE AS
|
|
// IN AbortNewAccount HOOK WHICH WE CANNOT PROVIDE!
|
|
return self::checkNewAccount( $user, $message, true );
|
|
}
|
|
|
|
/**
|
|
* @param $recentChange RecentChange
|
|
* @return bool
|
|
*/
|
|
public static function onRecentChangeSave( $recentChange ) {
|
|
$title = Title::makeTitle(
|
|
$recentChange->getAttribute( 'rc_namespace' ),
|
|
$recentChange->getAttribute( 'rc_title' )
|
|
);
|
|
$action = $recentChange->mAttribs['rc_log_type'] ?
|
|
$recentChange->mAttribs['rc_log_type'] : 'edit';
|
|
$actionID = implode( '-', array(
|
|
$title->getPrefixedText(), $recentChange->mAttribs['rc_user_text'], $action
|
|
) );
|
|
|
|
if ( !empty( AbuseFilter::$tagsToSet[$actionID] )
|
|
&& count( $tags = AbuseFilter::$tagsToSet[$actionID] ) )
|
|
{
|
|
ChangeTags::addTags(
|
|
$tags,
|
|
$recentChange->mAttribs['rc_id'],
|
|
$recentChange->mAttribs['rc_this_oldid'],
|
|
$recentChange->mAttribs['rc_logid']
|
|
);
|
|
}
|
|
|
|
return true;
|
|
}
|
|
|
|
/**
|
|
* @param $emptyTags array
|
|
* @return bool
|
|
*/
|
|
public static function onListDefinedTags( &$emptyTags ) {
|
|
# This is a pretty awful hack.
|
|
$dbr = wfGetDB( DB_SLAVE );
|
|
|
|
$res = $dbr->select(
|
|
array( 'abuse_filter_action', 'abuse_filter' ),
|
|
'afa_parameters',
|
|
array( 'afa_consequence' => 'tag', 'af_enabled' => true ),
|
|
__METHOD__,
|
|
array(),
|
|
array( 'abuse_filter' => array( 'INNER JOIN', 'afa_filter=af_id' ) )
|
|
);
|
|
|
|
foreach ( $res as $row ) {
|
|
$emptyTags = array_filter(
|
|
array_merge( explode( "\n", $row->afa_parameters ), $emptyTags )
|
|
);
|
|
}
|
|
|
|
return true;
|
|
}
|
|
|
|
/**
|
|
* @param $updater DatabaseUpdater
|
|
* @throws MWException
|
|
* @return bool
|
|
*/
|
|
public static function onLoadExtensionSchemaUpdates( $updater = null ) {
|
|
$dir = dirname( __FILE__ );
|
|
|
|
if ( $updater->getDB()->getType() == 'mysql' || $updater->getDB()->getType() == 'sqlite' ) {
|
|
if ( $updater->getDB()->getType() == 'mysql' ) {
|
|
$updater->addExtensionUpdate( array( 'addTable', 'abuse_filter', "$dir/abusefilter.tables.sql", true ) );
|
|
$updater->addExtensionUpdate( array( 'addTable', 'abuse_filter_history', "$dir/db_patches/patch-abuse_filter_history.sql", true ) );
|
|
} else {
|
|
$updater->addExtensionUpdate( array( 'addTable', 'abuse_filter', "$dir/abusefilter.tables.sqlite.sql", true ) );
|
|
$updater->addExtensionUpdate( array( 'addTable', 'abuse_filter_history', "$dir/db_patches/patch-abuse_filter_history.sqlite.sql", true ) );
|
|
}
|
|
$updater->addExtensionUpdate( array( 'addField', 'abuse_filter_history', 'afh_changed_fields', "$dir/db_patches/patch-afh_changed_fields.sql", true ) );
|
|
$updater->addExtensionUpdate( array( 'addField', 'abuse_filter', 'af_deleted', "$dir/db_patches/patch-af_deleted.sql", true ) );
|
|
$updater->addExtensionUpdate( array( 'addField', 'abuse_filter', 'af_actions', "$dir/db_patches/patch-af_actions.sql", true ) );
|
|
$updater->addExtensionUpdate( array( 'addField', 'abuse_filter', 'af_global', "$dir/db_patches/patch-global_filters.sql", true ) );
|
|
$updater->addExtensionUpdate( array( 'addField', 'abuse_filter_log', 'afl_rev_id', "$dir/db_patches/patch-afl_action_id.sql", true ) );
|
|
if ( $updater->getDB()->getType() == 'mysql' ) {
|
|
$updater->addExtensionUpdate( array( 'addIndex', 'abuse_filter_log', 'filter_timestamp', "$dir/db_patches/patch-fix-indexes.sql", true ) );
|
|
} else {
|
|
$updater->addExtensionUpdate( array( 'addIndex', 'abuse_filter_log', 'afl_filter_timestamp', "$dir/db_patches/patch-fix-indexes.sqlite.sql", true ) );
|
|
}
|
|
|
|
$updater->addExtensionUpdate( array('addField', 'abuse_filter', 'af_group', "$dir/db_patches/patch-af_group.sql", true ) );
|
|
|
|
if ( $updater->getDB()->getType() == 'mysql' ) {
|
|
$updater->addExtensionUpdate( array( 'addIndex', 'abuse_filter_log', 'wiki_timestamp', "$dir/db_patches/patch-global_logging_wiki-index.sql", true ) );
|
|
} else {
|
|
$updater->addExtensionUpdate( array( 'addIndex', 'abuse_filter_log', 'afl_wiki_timestamp', "$dir/db_patches/patch-global_logging_wiki-index.sqlite.sql", true ) );
|
|
}
|
|
|
|
} elseif ( $updater->getDB()->getType() == 'postgres' ) {
|
|
$updater->addExtensionUpdate( array( 'addTable', 'abuse_filter', "$dir/abusefilter.tables.pg.sql", true ) );
|
|
$updater->addExtensionUpdate( array( 'addTable', 'abuse_filter_history', "$dir/db_patches/patch-abuse_filter_history.pg.sql", true ) );
|
|
$updater->addExtensionUpdate( array( 'addPgField', 'abuse_filter', 'af_actions', "TEXT NOT NULL DEFAULT ''" ) );
|
|
$updater->addExtensionUpdate( array( 'addPgField', 'abuse_filter', 'af_deleted', 'SMALLINT NOT NULL DEFAULT 0' ) );
|
|
$updater->addExtensionUpdate( array( 'addPgField', 'abuse_filter', 'af_global', 'SMALLINT NOT NULL DEFAULT 0' ) );
|
|
$updater->addExtensionUpdate( array( 'addPgField', 'abuse_filter_log', 'afl_wiki', 'TEXT' ) );
|
|
$updater->addExtensionUpdate( array( 'addPgField', 'abuse_filter_log', 'afl_deleted', 'SMALLINT' ) );
|
|
$updater->addExtensionUpdate( array( 'changeField', 'abuse_filter_log', 'afl_filter', 'TEXT', '' ) );
|
|
$updater->addExtensionUpdate( array( 'addPgExtIndex', 'abuse_filter_log', 'abuse_filter_log_ip', "(afl_ip)" ) );
|
|
$updater->addExtensionUpdate( array( 'addPgExtIndex', 'abuse_filter_log', 'abuse_filter_log_wiki', "(afl_wiki)" ) );
|
|
}
|
|
|
|
$updater->addExtensionUpdate( array( array( __CLASS__, 'createAbuseFilterUser' ) ) );
|
|
|
|
return true;
|
|
}
|
|
|
|
/**
|
|
* Updater callback to create the AbuseFilter user after the user tables have been updated.
|
|
* @param $updater DatabaseUpdater
|
|
*/
|
|
public static function createAbuseFilterUser( $updater ) {
|
|
$user = User::newFromName( wfMessage( 'abusefilter-blocker' )->inContentLanguage()->text() );
|
|
|
|
if ( $user && !$updater->updateRowExists( 'create abusefilter-blocker-user' ) ) {
|
|
if ( !$user->getId() ) {
|
|
$user->addToDatabase();
|
|
$user->saveSettings();
|
|
# Increment site_stats.ss_users
|
|
$ssu = new SiteStatsUpdate( 0, 0, 0, 0, 1 );
|
|
$ssu->doUpdate();
|
|
} else {
|
|
// Sorry dude, we need this account.
|
|
$user->setPassword( null );
|
|
$user->setEmail( null );
|
|
$user->saveSettings();
|
|
}
|
|
$updater->insertUpdateRow( 'create abusefilter-blocker-user' );
|
|
# Promote user so it doesn't look too crazy.
|
|
$user->addGroup( 'sysop' );
|
|
}
|
|
}
|
|
|
|
/**
|
|
* @param $id
|
|
* @param $nt Title
|
|
* @param $tools
|
|
* @return bool
|
|
*/
|
|
public static function onContributionsToolLinks( $id, $nt, &$tools ) {
|
|
global $wgUser;
|
|
if ( $wgUser->isAllowed( 'abusefilter-log' ) ) {
|
|
$tools[] = Linker::link(
|
|
SpecialPage::getTitleFor( 'AbuseLog' ),
|
|
wfMessage( 'abusefilter-log-linkoncontribs' )->text(),
|
|
array( 'title' => wfMessage( 'abusefilter-log-linkoncontribs-text' )->parse() ),
|
|
array( 'wpSearchUser' => $nt->getText() )
|
|
);
|
|
}
|
|
return true;
|
|
}
|
|
|
|
/**
|
|
* @param $saveName
|
|
* @param $tempName
|
|
* @param $error
|
|
* @return bool
|
|
*/
|
|
public static function onUploadVerification( $saveName, $tempName, &$error ) {
|
|
$vars = new AbuseFilterVariableHolder;
|
|
|
|
global $wgUser;
|
|
$title = Title::makeTitle( NS_FILE, $saveName );
|
|
$vars->addHolder(
|
|
AbuseFilterVariableHolder::merge(
|
|
AbuseFilter::generateUserVars( $wgUser ),
|
|
AbuseFilter::generateTitleVars( $title, 'FILE' )
|
|
)
|
|
);
|
|
|
|
$vars->setVar( 'ACTION', 'upload' );
|
|
$vars->setVar( 'file_sha1', sha1_file( $tempName ) ); // TODO share with save
|
|
|
|
$filter_result = AbuseFilter::filterAction( $vars, $title );
|
|
|
|
if ( is_string( $filter_result ) ) {
|
|
$error = $filter_result;
|
|
}
|
|
|
|
return $filter_result == '' || $filter_result === true;
|
|
}
|
|
|
|
/**
|
|
* Adds global variables to the Javascript as needed
|
|
*
|
|
* @param array $vars
|
|
* @return bool
|
|
*/
|
|
public static function onMakeGlobalVariablesScript( array &$vars ) {
|
|
if ( AbuseFilter::$editboxName !== null ) {
|
|
$vars['abuseFilterBoxName'] = AbuseFilter::$editboxName;
|
|
}
|
|
|
|
if ( AbuseFilterViewExamine::$examineType !== null ) {
|
|
$vars['abuseFilterExamine'] = array(
|
|
'type' => AbuseFilterViewExamine::$examineType,
|
|
'id' => AbuseFilterViewExamine::$examineId,
|
|
);
|
|
}
|
|
return true;
|
|
}
|
|
}
|