messages[$msg] = $this->msg( $msg )->text(); } $this->target = $target; $this->namespace = $namespace; $this->mDb = wfGetDB( DB_REPLICA, 'contributions' ); } function getDefaultQuery() { $query = parent::getDefaultQuery(); $query['target'] = $this->target; return $query; } function getQueryInfo() { list( $index, $userCond ) = $this->getUserCond(); $conds = array_merge( $userCond, $this->getNamespaceCond() ); $user = $this->getUser(); // Paranoia: avoid brute force searches (T19792) if ( !$user->isAllowed( 'deletedhistory' ) ) { $conds[] = $this->mDb->bitAnd( 'ar_deleted', Revision::DELETED_USER ) . ' = 0'; } elseif ( !$user->isAllowedAny( 'suppressrevision', 'viewsuppressed' ) ) { $conds[] = $this->mDb->bitAnd( 'ar_deleted', Revision::SUPPRESSED_USER ) . ' != ' . Revision::SUPPRESSED_USER; } return [ 'tables' => [ 'archive' ], 'fields' => [ 'ar_rev_id', 'ar_namespace', 'ar_title', 'ar_timestamp', 'ar_comment', 'ar_minor_edit', 'ar_user', 'ar_user_text', 'ar_deleted' ], 'conds' => $conds, 'options' => [ 'USE INDEX' => $index ] ]; } /** * This method basically executes the exact same code as the parent class, though with * a hook added, to allow extensions to add additional queries. * * @param string $offset Index offset, inclusive * @param int $limit Exact query limit * @param bool $descending Query direction, false for ascending, true for descending * @return ResultWrapper */ function reallyDoQuery( $offset, $limit, $descending ) { $data = [ parent::reallyDoQuery( $offset, $limit, $descending ) ]; // This hook will allow extensions to add in additional queries, nearly // identical to ContribsPager::reallyDoQuery. Hooks::run( 'DeletedContribsPager::reallyDoQuery', [ &$data, $this, $offset, $limit, $descending ] ); $result = []; // loop all results and collect them in an array foreach ( $data as $query ) { foreach ( $query as $i => $row ) { // use index column as key, allowing us to easily sort in PHP $result[$row->{$this->getIndexField()} . "-$i"] = $row; } } // sort results if ( $descending ) { ksort( $result ); } else { krsort( $result ); } // enforce limit $result = array_slice( $result, 0, $limit ); // get rid of array keys $result = array_values( $result ); return new FakeResultWrapper( $result ); } function getUserCond() { $condition = []; $condition['ar_user_text'] = $this->target; $index = 'ar_usertext_timestamp'; return [ $index, $condition ]; } function getIndexField() { return 'ar_timestamp'; } function getStartBody() { return "\n"; } function getNavigationBar() { if ( isset( $this->mNavigationBar ) ) { return $this->mNavigationBar; } $linkTexts = [ 'prev' => $this->msg( 'pager-newer-n' )->numParams( $this->mLimit )->escaped(), 'next' => $this->msg( 'pager-older-n' )->numParams( $this->mLimit )->escaped(), 'first' => $this->msg( 'histlast' )->escaped(), 'last' => $this->msg( 'histfirst' )->escaped() ]; $pagingLinks = $this->getPagingLinks( $linkTexts ); $limitLinks = $this->getLimitLinks(); $lang = $this->getLanguage(); $limits = $lang->pipeList( $limitLinks ); $firstLast = $lang->pipeList( [ $pagingLinks['first'], $pagingLinks['last'] ] ); $firstLast = $this->msg( 'parentheses' )->rawParams( $firstLast )->escaped(); $prevNext = $this->msg( 'viewprevnext' ) ->rawParams( $pagingLinks['prev'], $pagingLinks['next'], $limits )->escaped(); $separator = $this->msg( 'word-separator' )->escaped(); $this->mNavigationBar = $firstLast . $separator . $prevNext; return $this->mNavigationBar; } function getNamespaceCond() { if ( $this->namespace !== '' ) { return [ 'ar_namespace' => (int)$this->namespace ]; } else { return []; } } /** * Generates each row in the contributions list. * * @todo This would probably look a lot nicer in a table. * @param stdClass $row * @return string */ function formatRow( $row ) { $ret = ''; $classes = []; /* * There may be more than just revision rows. To make sure that we'll only be processing * revisions here, let's _try_ to build a revision out of our row (without displaying * notices though) and then trying to grab data from the built object. If we succeed, * we're definitely dealing with revision data and we may proceed, if not, we'll leave it * to extensions to subscribe to the hook to parse the row. */ MediaWiki\suppressWarnings(); try { $rev = Revision::newFromArchiveRow( $row ); $validRevision = (bool)$rev->getId(); } catch ( Exception $e ) { $validRevision = false; } MediaWiki\restoreWarnings(); if ( $validRevision ) { $ret = $this->formatRevisionRow( $row ); } // Let extensions add data Hooks::run( 'DeletedContributionsLineEnding', [ $this, &$ret, $row, &$classes ] ); if ( $classes === [] && $ret === '' ) { wfDebug( "Dropping Special:DeletedContribution row that could not be formatted\n" ); $ret = "\n"; } else { $ret = Html::rawElement( 'li', [ 'class' => $classes ], $ret ) . "\n"; } return $ret; } /** * Generates each row in the contributions list for archive entries. * * Contributions which are marked "top" are currently on top of the history. * For these contributions, a [rollback] link is shown for users with sysop * privileges. The rollback link restores the most recent version that was not * written by the target user. * * @todo This would probably look a lot nicer in a table. * @param stdClass $row * @return string */ function formatRevisionRow( $row ) { $page = Title::makeTitle( $row->ar_namespace, $row->ar_title ); $linkRenderer = MediaWikiServices::getInstance()->getLinkRenderer(); $rev = new Revision( [ 'title' => $page, 'id' => $row->ar_rev_id, 'comment' => $row->ar_comment, 'user' => $row->ar_user, 'user_text' => $row->ar_user_text, 'timestamp' => $row->ar_timestamp, 'minor_edit' => $row->ar_minor_edit, 'deleted' => $row->ar_deleted, ] ); $undelete = SpecialPage::getTitleFor( 'Undelete' ); $logs = SpecialPage::getTitleFor( 'Log' ); $dellog = $linkRenderer->makeKnownLink( $logs, $this->messages['deletionlog'], [], [ 'type' => 'delete', 'page' => $page->getPrefixedText() ] ); $reviewlink = $linkRenderer->makeKnownLink( SpecialPage::getTitleFor( 'Undelete', $page->getPrefixedDBkey() ), $this->messages['undeleteviewlink'] ); $user = $this->getUser(); if ( $user->isAllowed( 'deletedtext' ) ) { $last = $linkRenderer->makeKnownLink( $undelete, $this->messages['diff'], [], [ 'target' => $page->getPrefixedText(), 'timestamp' => $rev->getTimestamp(), 'diff' => 'prev' ] ); } else { $last = htmlspecialchars( $this->messages['diff'] ); } $comment = Linker::revComment( $rev ); $date = $this->getLanguage()->userTimeAndDate( $rev->getTimestamp(), $user ); if ( !$user->isAllowed( 'undelete' ) || !$rev->userCan( Revision::DELETED_TEXT, $user ) ) { $link = htmlspecialchars( $date ); // unusable link } else { $link = $linkRenderer->makeKnownLink( $undelete, $date, [ 'class' => 'mw-changeslist-date' ], [ 'target' => $page->getPrefixedText(), 'timestamp' => $rev->getTimestamp() ] ); } // Style deleted items if ( $rev->isDeleted( Revision::DELETED_TEXT ) ) { $link = '' . $link . ''; } $pagelink = $linkRenderer->makeLink( $page, null, [ 'class' => 'mw-changeslist-title' ] ); if ( $rev->isMinor() ) { $mflag = ChangesList::flag( 'minor' ); } else { $mflag = ''; } // Revision delete link $del = Linker::getRevDeleteLink( $user, $rev, $page ); if ( $del ) { $del .= ' '; } $tools = Html::rawElement( 'span', [ 'class' => 'mw-deletedcontribs-tools' ], $this->msg( 'parentheses' )->rawParams( $this->getLanguage()->pipeList( [ $last, $dellog, $reviewlink ] ) )->escaped() ); $separator = '. .'; $ret = "{$del}{$link} {$tools} {$separator} {$mflag} {$pagelink} {$comment}"; # Denote if username is redacted for this edit if ( $rev->isDeleted( Revision::DELETED_USER ) ) { $ret .= " " . $this->msg( 'rev-deleted-user-contribs' )->escaped() . ""; } return $ret; } /** * Get the Database object in use * * @return IDatabase */ public function getDatabase() { return $this->mDb; } }