diff options
Diffstat (limited to 'includes/revisiondelete/RevisionDelete.php')
| -rw-r--r-- | includes/revisiondelete/RevisionDelete.php | 690 |
1 files changed, 690 insertions, 0 deletions
diff --git a/includes/revisiondelete/RevisionDelete.php b/includes/revisiondelete/RevisionDelete.php new file mode 100644 index 00000000..00afb053 --- /dev/null +++ b/includes/revisiondelete/RevisionDelete.php @@ -0,0 +1,690 @@ +<?php +/** + * List for revision table items + */ +class RevDel_RevisionList extends RevDel_List { + var $currentRevId; + var $type = 'revision'; + var $idField = 'rev_id'; + var $dateField = 'rev_timestamp'; + var $authorIdField = 'rev_user'; + var $authorNameField = 'rev_user_text'; + + public function doQuery( $db ) { + $ids = array_map( 'intval', $this->ids ); + return $db->select( array('revision','page'), '*', + array( + 'rev_page' => $this->title->getArticleID(), + 'rev_id' => $ids, + 'rev_page = page_id' + ), + __METHOD__, + array( 'ORDER BY' => 'rev_id DESC' ) + ); + } + + public function newItem( $row ) { + return new RevDel_RevisionItem( $this, $row ); + } + + public function getCurrent() { + if ( is_null( $this->currentRevId ) ) { + $dbw = wfGetDB( DB_MASTER ); + $this->currentRevId = $dbw->selectField( + 'page', 'page_latest', $this->title->pageCond(), __METHOD__ ); + } + return $this->currentRevId; + } + + public function getSuppressBit() { + return Revision::DELETED_RESTRICTED; + } + + public function doPreCommitUpdates() { + $this->title->invalidateCache(); + return Status::newGood(); + } + + public function doPostCommitUpdates() { + $this->title->purgeSquid(); + // Extensions that require referencing previous revisions may need this + wfRunHooks( 'ArticleRevisionVisibilitySet', array( &$this->title ) ); + return Status::newGood(); + } +} + +/** + * Item class for a revision table row + */ +class RevDel_RevisionItem extends RevDel_Item { + var $revision; + + public function __construct( $list, $row ) { + parent::__construct( $list, $row ); + $this->revision = new Revision( $row ); + } + + public function canView() { + return $this->revision->userCan( Revision::DELETED_RESTRICTED ); + } + + public function canViewContent() { + return $this->revision->userCan( Revision::DELETED_TEXT ); + } + + public function getBits() { + return $this->revision->mDeleted; + } + + public function setBits( $bits ) { + $dbw = wfGetDB( DB_MASTER ); + // Update revision table + $dbw->update( 'revision', + array( 'rev_deleted' => $bits ), + array( + 'rev_id' => $this->revision->getId(), + 'rev_page' => $this->revision->getPage(), + 'rev_deleted' => $this->getBits() + ), + __METHOD__ + ); + if ( !$dbw->affectedRows() ) { + // Concurrent fail! + return false; + } + // Update recentchanges table + $dbw->update( 'recentchanges', + array( + 'rc_deleted' => $bits, + 'rc_patrolled' => 1 + ), + array( + 'rc_this_oldid' => $this->revision->getId(), // condition + // non-unique timestamp index + 'rc_timestamp' => $dbw->timestamp( $this->revision->getTimestamp() ), + ), + __METHOD__ + ); + return true; + } + + public function isDeleted() { + return $this->revision->isDeleted( Revision::DELETED_TEXT ); + } + + public function isHideCurrentOp( $newBits ) { + return ( $newBits & Revision::DELETED_TEXT ) + && $this->list->getCurrent() == $this->getId(); + } + + /** + * Get the HTML link to the revision text. + * Overridden by RevDel_ArchiveItem. + */ + protected function getRevisionLink() { + global $wgLang; + $date = $wgLang->timeanddate( $this->revision->getTimestamp(), true ); + if ( $this->isDeleted() && !$this->canViewContent() ) { + return $date; + } + return $this->special->skin->link( + $this->list->title, + $date, + array(), + array( + 'oldid' => $this->revision->getId(), + 'unhide' => 1 + ) + ); + } + + /** + * Get the HTML link to the diff. + * Overridden by RevDel_ArchiveItem + */ + protected function getDiffLink() { + if ( $this->isDeleted() && !$this->canViewContent() ) { + return wfMsgHtml('diff'); + } else { + return + $this->special->skin->link( + $this->list->title, + wfMsgHtml('diff'), + array(), + array( + 'diff' => $this->revision->getId(), + 'oldid' => 'prev', + 'unhide' => 1 + ), + array( + 'known', + 'noclasses' + ) + ); + } + } + + public function getHTML() { + $difflink = $this->getDiffLink(); + $revlink = $this->getRevisionLink(); + $userlink = $this->special->skin->revUserLink( $this->revision ); + $comment = $this->special->skin->revComment( $this->revision ); + if ( $this->isDeleted() ) { + $revlink = "<span class=\"history-deleted\">$revlink</span>"; + } + return "<li>($difflink) $revlink $userlink $comment</li>"; + } +} + +/** + * List for archive table items, i.e. revisions deleted via action=delete + */ +class RevDel_ArchiveList extends RevDel_RevisionList { + var $type = 'archive'; + var $idField = 'ar_timestamp'; + var $dateField = 'ar_timestamp'; + var $authorIdField = 'ar_user'; + var $authorNameField = 'ar_user_text'; + + public function doQuery( $db ) { + $timestamps = array(); + foreach ( $this->ids as $id ) { + $timestamps[] = $db->timestamp( $id ); + } + return $db->select( 'archive', '*', + array( + 'ar_namespace' => $this->title->getNamespace(), + 'ar_title' => $this->title->getDBkey(), + 'ar_timestamp' => $timestamps + ), + __METHOD__, + array( 'ORDER BY' => 'ar_timestamp DESC' ) + ); + } + + public function newItem( $row ) { + return new RevDel_ArchiveItem( $this, $row ); + } + + public function doPreCommitUpdates() { + return Status::newGood(); + } + + public function doPostCommitUpdates() { + return Status::newGood(); + } +} + +/** + * Item class for a archive table row + */ +class RevDel_ArchiveItem extends RevDel_RevisionItem { + public function __construct( $list, $row ) { + RevDel_Item::__construct( $list, $row ); + $this->revision = Revision::newFromArchiveRow( $row, + array( 'page' => $this->list->title->getArticleId() ) ); + } + + public function getId() { + # Convert DB timestamp to MW timestamp + return $this->revision->getTimestamp(); + } + + public function setBits( $bits ) { + $dbw = wfGetDB( DB_MASTER ); + $dbw->update( 'archive', + array( 'ar_deleted' => $bits ), + array( 'ar_namespace' => $this->list->title->getNamespace(), + 'ar_title' => $this->list->title->getDBkey(), + // use timestamp for index + 'ar_timestamp' => $this->row->ar_timestamp, + 'ar_rev_id' => $this->row->ar_rev_id, + 'ar_deleted' => $this->getBits() + ), + __METHOD__ ); + return (bool)$dbw->affectedRows(); + } + + protected function getRevisionLink() { + global $wgLang; + $undelete = SpecialPage::getTitleFor( 'Undelete' ); + $date = $wgLang->timeanddate( $this->revision->getTimestamp(), true ); + if ( $this->isDeleted() && !$this->canViewContent() ) { + return $date; + } + return $this->special->skin->link( $undelete, $date, array(), + array( + 'target' => $this->list->title->getPrefixedText(), + 'timestamp' => $this->revision->getTimestamp() + ) ); + } + + protected function getDiffLink() { + if ( $this->isDeleted() && !$this->canViewContent() ) { + return wfMsgHtml( 'diff' ); + } + $undelete = SpecialPage::getTitleFor( 'Undelete' ); + return $this->special->skin->link( $undelete, wfMsgHtml('diff'), array(), + array( + 'target' => $this->list->title->getPrefixedText(), + 'diff' => 'prev', + 'timestamp' => $this->revision->getTimestamp() + ) ); + } +} + +/** + * List for oldimage table items + */ +class RevDel_FileList extends RevDel_List { + var $type = 'oldimage'; + var $idField = 'oi_archive_name'; + var $dateField = 'oi_timestamp'; + var $authorIdField = 'oi_user'; + var $authorNameField = 'oi_user_text'; + var $storeBatch, $deleteBatch, $cleanupBatch; + + public function doQuery( $db ) { + $archiveNames = array(); + foreach( $this->ids as $timestamp ) { + $archiveNames[] = $timestamp . '!' . $this->title->getDBkey(); + } + return $db->select( 'oldimage', '*', + array( + 'oi_name' => $this->title->getDBkey(), + 'oi_archive_name' => $archiveNames + ), + __METHOD__, + array( 'ORDER BY' => 'oi_timestamp DESC' ) + ); + } + + public function newItem( $row ) { + return new RevDel_FileItem( $this, $row ); + } + + public function clearFileOps() { + $this->deleteBatch = array(); + $this->storeBatch = array(); + $this->cleanupBatch = array(); + } + + public function doPreCommitUpdates() { + $status = Status::newGood(); + $repo = RepoGroup::singleton()->getLocalRepo(); + if ( $this->storeBatch ) { + $status->merge( $repo->storeBatch( $this->storeBatch, FileRepo::OVERWRITE_SAME ) ); + } + if ( !$status->isOK() ) { + return $status; + } + if ( $this->deleteBatch ) { + $status->merge( $repo->deleteBatch( $this->deleteBatch ) ); + } + if ( !$status->isOK() ) { + // Running cleanupDeletedBatch() after a failed storeBatch() with the DB already + // modified (but destined for rollback) causes data loss + return $status; + } + if ( $this->cleanupBatch ) { + $status->merge( $repo->cleanupDeletedBatch( $this->cleanupBatch ) ); + } + return $status; + } + + public function doPostCommitUpdates() { + $file = wfLocalFile( $this->title ); + $file->purgeCache(); + $file->purgeDescription(); + return Status::newGood(); + } + + public function getSuppressBit() { + return File::DELETED_RESTRICTED; + } +} + +/** + * Item class for an oldimage table row + */ +class RevDel_FileItem extends RevDel_Item { + var $file; + + public function __construct( $list, $row ) { + parent::__construct( $list, $row ); + $this->file = RepoGroup::singleton()->getLocalRepo()->newFileFromRow( $row ); + } + + public function getId() { + $parts = explode( '!', $this->row->oi_archive_name ); + return $parts[0]; + } + + public function canView() { + return $this->file->userCan( File::DELETED_RESTRICTED ); + } + + public function canViewContent() { + return $this->file->userCan( File::DELETED_FILE ); + } + + public function getBits() { + return $this->file->getVisibility(); + } + + public function setBits( $bits ) { + # Queue the file op + # FIXME: move to LocalFile.php + if ( $this->isDeleted() ) { + if ( $bits & File::DELETED_FILE ) { + # Still deleted + } else { + # Newly undeleted + $key = $this->file->getStorageKey(); + $srcRel = $this->file->repo->getDeletedHashPath( $key ) . $key; + $this->list->storeBatch[] = array( + $this->file->repo->getVirtualUrl( 'deleted' ) . '/' . $srcRel, + 'public', + $this->file->getRel() + ); + $this->list->cleanupBatch[] = $key; + } + } elseif ( $bits & File::DELETED_FILE ) { + # Newly deleted + $key = $this->file->getStorageKey(); + $dstRel = $this->file->repo->getDeletedHashPath( $key ) . $key; + $this->list->deleteBatch[] = array( $this->file->getRel(), $dstRel ); + } + + # Do the database operations + $dbw = wfGetDB( DB_MASTER ); + $dbw->update( 'oldimage', + array( 'oi_deleted' => $bits ), + array( + 'oi_name' => $this->row->oi_name, + 'oi_timestamp' => $this->row->oi_timestamp, + 'oi_deleted' => $this->getBits() + ), + __METHOD__ + ); + return (bool)$dbw->affectedRows(); + } + + public function isDeleted() { + return $this->file->isDeleted( File::DELETED_FILE ); + } + + /** + * Get the link to the file. + * Overridden by RevDel_ArchivedFileItem. + */ + protected function getLink() { + global $wgLang, $wgUser; + $date = $wgLang->timeanddate( $this->file->getTimestamp(), true ); + if ( $this->isDeleted() ) { + # Hidden files... + if ( !$this->canViewContent() ) { + $link = $date; + } else { + $link = $this->special->skin->link( + $this->special->getTitle(), + $date, array(), + array( + 'target' => $this->list->title->getPrefixedText(), + 'file' => $this->file->getArchiveName(), + 'token' => $wgUser->editToken( $this->file->getArchiveName() ) + ) + ); + } + return '<span class="history-deleted">' . $link . '</span>'; + } else { + # Regular files... + return Xml::element( 'a', array( 'href' => $this->file->getUrl() ), $date ); + } + } + /** + * Generate a user tool link cluster if the current user is allowed to view it + * @return string HTML + */ + protected function getUserTools() { + if( $this->file->userCan( Revision::DELETED_USER ) ) { + $link = $this->special->skin->userLink( $this->file->user, $this->file->user_text ) . + $this->special->skin->userToolLinks( $this->file->user, $this->file->user_text ); + } else { + $link = wfMsgHtml( 'rev-deleted-user' ); + } + if( $this->file->isDeleted( Revision::DELETED_USER ) ) { + return '<span class="history-deleted">' . $link . '</span>'; + } + return $link; + } + + /** + * Wrap and format the file's comment block, if the current + * user is allowed to view it. + * + * @return string HTML + */ + protected function getComment() { + if( $this->file->userCan( File::DELETED_COMMENT ) ) { + $block = $this->special->skin->commentBlock( $this->file->description ); + } else { + $block = ' ' . wfMsgHtml( 'rev-deleted-comment' ); + } + if( $this->file->isDeleted( File::DELETED_COMMENT ) ) { + return "<span class=\"history-deleted\">$block</span>"; + } + return $block; + } + + public function getHTML() { + global $wgLang; + $data = + wfMsg( + 'widthheight', + $wgLang->formatNum( $this->file->getWidth() ), + $wgLang->formatNum( $this->file->getHeight() ) + ) . + ' (' . + wfMsgExt( 'nbytes', 'parsemag', $wgLang->formatNum( $this->file->getSize() ) ) . + ')'; + + return '<li>' . $this->getLink() . ' ' . $this->getUserTools() . ' ' . + $data . ' ' . $this->getComment(). '</li>'; + } +} + +/** + * List for filearchive table items + */ +class RevDel_ArchivedFileList extends RevDel_FileList { + var $type = 'filearchive'; + var $idField = 'fa_id'; + var $dateField = 'fa_timestamp'; + var $authorIdField = 'fa_user'; + var $authorNameField = 'fa_user_text'; + + public function doQuery( $db ) { + $ids = array_map( 'intval', $this->ids ); + return $db->select( 'filearchive', '*', + array( + 'fa_name' => $this->title->getDBkey(), + 'fa_id' => $ids + ), + __METHOD__, + array( 'ORDER BY' => 'fa_id DESC' ) + ); + } + + public function newItem( $row ) { + return new RevDel_ArchivedFileItem( $this, $row ); + } +} + +/** + * Item class for a filearchive table row + */ +class RevDel_ArchivedFileItem extends RevDel_FileItem { + public function __construct( $list, $row ) { + RevDel_Item::__construct( $list, $row ); + $this->file = ArchivedFile::newFromRow( $row ); + } + + public function getId() { + return $this->row->fa_id; + } + + public function setBits( $bits ) { + $dbw = wfGetDB( DB_MASTER ); + $dbw->update( 'filearchive', + array( 'fa_deleted' => $bits ), + array( + 'fa_id' => $this->row->fa_id, + 'fa_deleted' => $this->getBits(), + ), + __METHOD__ + ); + return (bool)$dbw->affectedRows(); + } + + protected function getLink() { + global $wgLang, $wgUser; + $date = $wgLang->timeanddate( $this->file->getTimestamp(), true ); + $undelete = SpecialPage::getTitleFor( 'Undelete' ); + $key = $this->file->getKey(); + # Hidden files... + if( !$this->canViewContent() ) { + $link = $date; + } else { + $link = $this->special->skin->link( $undelete, $date, array(), + array( + 'target' => $this->list->title->getPrefixedText(), + 'file' => $key, + 'token' => $wgUser->editToken( $key ) + ) + ); + } + if( $this->isDeleted() ) { + $link = '<span class="history-deleted">' . $link . '</span>'; + } + return $link; + } +} + +/** + * List for logging table items + */ +class RevDel_LogList extends RevDel_List { + var $type = 'logging'; + var $idField = 'log_id'; + var $dateField = 'log_timestamp'; + var $authorIdField = 'log_user'; + var $authorNameField = 'log_user_text'; + + public function doQuery( $db ) { + $ids = array_map( 'intval', $this->ids ); + return $db->select( 'logging', '*', + array( 'log_id' => $ids ), + __METHOD__, + array( 'ORDER BY' => 'log_id DESC' ) + ); + } + + public function newItem( $row ) { + return new RevDel_LogItem( $this, $row ); + } + + public function getSuppressBit() { + return Revision::DELETED_RESTRICTED; + } + + public function getLogAction() { + return 'event'; + } + + public function getLogParams( $params ) { + return array( + implode( ',', $params['ids'] ), + "ofield={$params['oldBits']}", + "nfield={$params['newBits']}" + ); + } +} + +/** + * Item class for a logging table row + */ +class RevDel_LogItem extends RevDel_Item { + public function canView() { + return LogEventsList::userCan( $this->row, Revision::DELETED_RESTRICTED ); + } + + public function canViewContent() { + return true; // none + } + + public function getBits() { + return $this->row->log_deleted; + } + + public function setBits( $bits ) { + $dbw = wfGetDB( DB_MASTER ); + $dbw->update( 'recentchanges', + array( + 'rc_deleted' => $bits, + 'rc_patrolled' => 1 + ), + array( + 'rc_logid' => $this->row->log_id, + 'rc_timestamp' => $this->row->log_timestamp // index + ), + __METHOD__ + ); + $dbw->update( 'logging', + array( 'log_deleted' => $bits ), + array( + 'log_id' => $this->row->log_id, + 'log_deleted' => $this->getBits() + ), + __METHOD__ + ); + return (bool)$dbw->affectedRows(); + } + + public function getHTML() { + global $wgLang; + + $date = htmlspecialchars( $wgLang->timeanddate( $this->row->log_timestamp ) ); + $paramArray = LogPage::extractParams( $this->row->log_params ); + $title = Title::makeTitle( $this->row->log_namespace, $this->row->log_title ); + + // Log link for this page + $loglink = $this->special->skin->link( + SpecialPage::getTitleFor( 'Log' ), + wfMsgHtml( 'log' ), + array(), + array( 'page' => $title->getPrefixedText() ) + ); + // Action text + if( !$this->canView() ) { + $action = '<span class="history-deleted">' . wfMsgHtml('rev-deleted-event') . '</span>'; + } else { + $action = LogPage::actionText( $this->row->log_type, $this->row->log_action, $title, + $this->special->skin, $paramArray, true, true ); + if( $this->row->log_deleted & LogPage::DELETED_ACTION ) + $action = '<span class="history-deleted">' . $action . '</span>'; + } + // User links + $userLink = $this->special->skin->userLink( $this->row->log_user, + User::WhoIs( $this->row->log_user ) ); + if( LogEventsList::isDeleted($this->row,LogPage::DELETED_USER) ) { + $userLink = '<span class="history-deleted">' . $userLink . '</span>'; + } + // Comment + $comment = $wgLang->getDirMark() . $this->special->skin->commentBlock( $this->row->log_comment ); + if( LogEventsList::isDeleted($this->row,LogPage::DELETED_COMMENT) ) { + $comment = '<span class="history-deleted">' . $comment . '</span>'; + } + return "<li>($loglink) $date $userLink $action $comment</li>"; + } +} |