+++ /dev/null
-<?php
-
-/**
- * Abstract base class for a list of deletable items
- */
-abstract class RevDel_List {
- var $special, $title, $ids, $res, $current;
- var $type = null; // override this
- var $idField = null; // override this
- var $dateField = false; // override this
- var $authorIdField = false; // override this
- var $authorNameField = false; // override this
-
- /**
- * @param $special The parent SpecialPage
- * @param $title The target title
- * @param $ids Array of IDs
- */
- public function __construct( $special, $title, $ids ) {
- $this->special = $special;
- $this->title = $title;
- $this->ids = $ids;
- }
-
- /**
- * Get the internal type name of this list. Equal to the table name.
- */
- public function getType() {
- return $this->type;
- }
-
- /**
- * Get the DB field name associated with the ID list
- */
- public function getIdField() {
- return $this->idField;
- }
-
- /**
- * Get the DB field name storing timestamps
- */
- public function getTimestampField() {
- return $this->dateField;
- }
-
- /**
- * Get the DB field name storing user ids
- */
- public function getAuthorIdField() {
- return $this->authorIdField;
- }
-
- /**
- * Get the DB field name storing user names
- */
- public function getAuthorNameField() {
- return $this->authorNameField;
- }
- /**
- * Set the visibility for the revisions in this list. Logging and
- * transactions are done here.
- *
- * @param $params Associative array of parameters. Members are:
- * value: The integer value to set the visibility to
- * comment: The log comment.
- * @return Status
- */
- public function setVisibility( $params ) {
- $bitPars = $params['value'];
- $comment = $params['comment'];
-
- $this->res = false;
- $dbw = wfGetDB( DB_MASTER );
- $this->doQuery( $dbw );
- $dbw->begin();
- $status = Status::newGood();
- $missing = array_flip( $this->ids );
- $this->clearFileOps();
- $idsForLog = array();
- $authorIds = $authorIPs = array();
-
- for ( $this->reset(); $this->current(); $this->next() ) {
- $item = $this->current();
- unset( $missing[ $item->getId() ] );
-
- $oldBits = $item->getBits();
- // Build the actual new rev_deleted bitfield
- $newBits = SpecialRevisionDelete::extractBitfield( $bitPars, $oldBits );
-
- if ( $oldBits == $newBits ) {
- $status->warning( 'revdelete-no-change', $item->formatDate(), $item->formatTime() );
- $status->failCount++;
- continue;
- } elseif ( $oldBits == 0 && $newBits != 0 ) {
- $opType = 'hide';
- } elseif ( $oldBits != 0 && $newBits == 0 ) {
- $opType = 'show';
- } else {
- $opType = 'modify';
- }
-
- if ( $item->isHideCurrentOp( $newBits ) ) {
- // Cannot hide current version text
- $status->error( 'revdelete-hide-current', $item->formatDate(), $item->formatTime() );
- $status->failCount++;
- continue;
- }
- if ( !$item->canView() ) {
- // Cannot access this revision
- $msg = ($opType == 'show') ?
- 'revdelete-show-no-access' : 'revdelete-modify-no-access';
- $status->error( $msg, $item->formatDate(), $item->formatTime() );
- $status->failCount++;
- continue;
- }
- // Cannot just "hide from Sysops" without hiding any fields
- if( $newBits == Revision::DELETED_RESTRICTED ) {
- $status->warning( 'revdelete-only-restricted', $item->formatDate(), $item->formatTime() );
- $status->failCount++;
- continue;
- }
-
- // Update the revision
- $ok = $item->setBits( $newBits );
-
- if ( $ok ) {
- $idsForLog[] = $item->getId();
- $status->successCount++;
- if( $item->getAuthorId() > 0 ) {
- $authorIds[] = $item->getAuthorId();
- } else if( IP::isIPAddress( $item->getAuthorName() ) ) {
- $authorIPs[] = $item->getAuthorName();
- }
- } else {
- $status->error( 'revdelete-concurrent-change', $item->formatDate(), $item->formatTime() );
- $status->failCount++;
- }
- }
-
- // Handle missing revisions
- foreach ( $missing as $id => $unused ) {
- $status->error( 'revdelete-modify-missing', $id );
- $status->failCount++;
- }
-
- if ( $status->successCount == 0 ) {
- $status->ok = false;
- $dbw->rollback();
- return $status;
- }
-
- // Save success count
- $successCount = $status->successCount;
-
- // Move files, if there are any
- $status->merge( $this->doPreCommitUpdates() );
- if ( !$status->isOK() ) {
- // Fatal error, such as no configured archive directory
- $dbw->rollback();
- return $status;
- }
-
- // Log it
- $this->updateLog( array(
- 'title' => $this->title,
- 'count' => $successCount,
- 'newBits' => $newBits,
- 'oldBits' => $oldBits,
- 'comment' => $comment,
- 'ids' => $idsForLog,
- 'authorIds' => $authorIds,
- 'authorIPs' => $authorIPs
- ) );
- $dbw->commit();
-
- // Clear caches
- $status->merge( $this->doPostCommitUpdates() );
- return $status;
- }
-
- /**
- * Reload the list data from the master DB. This can be done after setVisibility()
- * to allow $item->getHTML() to show the new data.
- */
- function reloadFromMaster() {
- $dbw = wfGetDB( DB_MASTER );
- $this->res = $this->doQuery( $dbw );
- }
-
- /**
- * Record a log entry on the action
- * @param $params Associative array of parameters:
- * newBits: The new value of the *_deleted bitfield
- * oldBits: The old value of the *_deleted bitfield.
- * title: The target title
- * ids: The ID list
- * comment: The log comment
- * authorsIds: The array of the user IDs of the offenders
- * authorsIPs: The array of the IP/anon user offenders
- */
- protected function updateLog( $params ) {
- // Get the URL param's corresponding DB field
- $field = RevisionDeleter::getRelationType( $this->getType() );
- if( !$field ) {
- throw new MWException( "Bad log URL param type!" );
- }
- // Put things hidden from sysops in the oversight log
- if ( ( $params['newBits'] | $params['oldBits'] ) & $this->getSuppressBit() ) {
- $logType = 'suppress';
- } else {
- $logType = 'delete';
- }
- // Add params for effected page and ids
- $logParams = $this->getLogParams( $params );
- // Actually add the deletion log entry
- $log = new LogPage( $logType );
- $logid = $log->addEntry( $this->getLogAction(), $params['title'],
- $params['comment'], $logParams );
- // Allow for easy searching of deletion log items for revision/log items
- $log->addRelations( $field, $params['ids'], $logid );
- $log->addRelations( 'target_author_id', $params['authorIds'], $logid );
- $log->addRelations( 'target_author_ip', $params['authorIPs'], $logid );
- }
-
- /**
- * Get the log action for this list type
- */
- public function getLogAction() {
- return 'revision';
- }
-
- /**
- * Get log parameter array.
- * @param $params Associative array of log parameters, same as updateLog()
- * @return array
- */
- public function getLogParams( $params ) {
- return array(
- $this->getType(),
- implode( ',', $params['ids'] ),
- "ofield={$params['oldBits']}",
- "nfield={$params['newBits']}"
- );
- }
-
- /**
- * Initialise the current iteration pointer
- */
- protected function initCurrent() {
- $row = $this->res->current();
- if ( $row ) {
- $this->current = $this->newItem( $row );
- } else {
- $this->current = false;
- }
- }
-
- /**
- * Start iteration. This must be called before current() or next().
- * @return First list item
- */
- public function reset() {
- if ( !$this->res ) {
- $this->res = $this->doQuery( wfGetDB( DB_SLAVE ) );
- } else {
- $this->res->rewind();
- }
- $this->initCurrent();
- return $this->current;
- }
-
- /**
- * Get the current list item, or false if we are at the end
- */
- public function current() {
- return $this->current;
- }
-
- /**
- * Move the iteration pointer to the next list item, and return it.
- */
- public function next() {
- $this->res->next();
- $this->initCurrent();
- return $this->current;
- }
-
- /**
- * Get the number of items in the list.
- */
- public function length() {
- if( !$this->res ) {
- return 0;
- } else {
- return $this->res->numRows();
- }
- }
-
- /**
- * Clear any data structures needed for doPreCommitUpdates() and doPostCommitUpdates()
- * STUB
- */
- public function clearFileOps() {
- }
-
- /**
- * A hook for setVisibility(): do batch updates pre-commit.
- * STUB
- * @return Status
- */
- public function doPreCommitUpdates() {
- return Status::newGood();
- }
-
- /**
- * A hook for setVisibility(): do any necessary updates post-commit.
- * STUB
- * @return Status
- */
- public function doPostCommitUpdates() {
- return Status::newGood();
- }
-
- /**
- * Create an item object from a DB result row
- * @param $row stdclass
- */
- abstract public function newItem( $row );
-
- /**
- * Do the DB query to iterate through the objects.
- * @param $db Database object to use for the query
- */
- abstract public function doQuery( $db );
-
- /**
- * Get the integer value of the flag used for suppression
- */
- abstract public function getSuppressBit();
-}
-
-/**
- * Abstract base class for deletable items
- */
-abstract class RevDel_Item {
- /** The parent SpecialPage */
- var $special;
-
- /** The parent RevDel_List */
- var $list;
-
- /** The DB result row */
- var $row;
-
- /**
- * @param $list RevDel_List
- * @param $row DB result row
- */
- public function __construct( $list, $row ) {
- $this->special = $list->special;
- $this->list = $list;
- $this->row = $row;
- }
-
- /**
- * Get the ID, as it would appear in the ids URL parameter
- */
- public function getId() {
- $field = $this->list->getIdField();
- return $this->row->$field;
- }
-
- /**
- * Get the date, formatted with $wgLang
- */
- public function formatDate() {
- global $wgLang;
- return $wgLang->date( $this->getTimestamp() );
- }
-
- /**
- * Get the time, formatted with $wgLang
- */
- public function formatTime() {
- global $wgLang;
- return $wgLang->time( $this->getTimestamp() );
- }
-
- /**
- * Get the timestamp in MW 14-char form
- */
- public function getTimestamp() {
- $field = $this->list->getTimestampField();
- return wfTimestamp( TS_MW, $this->row->$field );
- }
-
- /**
- * Get the author user ID
- */
- public function getAuthorId() {
- $field = $this->list->getAuthorIdField();
- return intval( $this->row->$field );
- }
-
- /**
- * Get the author user name
- */
- public function getAuthorName() {
- $field = $this->list->getAuthorNameField();
- return strval( $this->row->$field );
- }
-
- /**
- * Returns true if the item is "current", and the operation to set the given
- * bits can't be executed for that reason
- * STUB
- */
- public function isHideCurrentOp( $newBits ) {
- return false;
- }
-
- /**
- * Returns true if the current user can view the item
- */
- abstract public function canView();
-
- /**
- * Returns true if the current user can view the item text/file
- */
- abstract public function canViewContent();
-
- /**
- * Get the current deletion bitfield value
- */
- abstract public function getBits();
-
- /**
- * Get the HTML of the list item. Should be include <li></li> tags.
- * This is used to show the list in HTML form, by the special page.
- */
- abstract public function getHTML();
-
- /**
- * Set the visibility of the item. This should do any necessary DB queries.
- *
- * The DB update query should have a condition which forces it to only update
- * if the value in the DB matches the value fetched earlier with the SELECT.
- * If the update fails because it did not match, the function should return
- * false. This prevents concurrency problems.
- *
- * @return boolean success
- */
- abstract public function setBits( $newBits );
-}