array( 'check-label' => 'revdelete-hide-text', 'deletion-bits' => Revision::DELETED_TEXT, 'success' => 'revdelete-success', 'failure' => 'revdelete-failure', 'list-class' => 'RevDel_RevisionList', ), 'archive' => array( 'check-label' => 'revdelete-hide-text', 'deletion-bits' => Revision::DELETED_TEXT, 'success' => 'revdelete-success', 'failure' => 'revdelete-failure', 'list-class' => 'RevDel_ArchiveList', ), 'oldimage'=> array( 'check-label' => 'revdelete-hide-image', 'deletion-bits' => File::DELETED_FILE, 'success' => 'revdelete-success', 'failure' => 'revdelete-failure', 'list-class' => 'RevDel_FileList', ), 'filearchive' => array( 'check-label' => 'revdelete-hide-image', 'deletion-bits' => File::DELETED_FILE, 'success' => 'revdelete-success', 'failure' => 'revdelete-failure', 'list-class' => 'RevDel_ArchivedFileList', ), 'logging' => array( 'check-label' => 'revdelete-hide-name', 'deletion-bits' => LogPage::DELETED_ACTION, 'success' => 'logdelete-success', 'failure' => 'logdelete-failure', 'list-class' => 'RevDel_LogList', ), ); /** Type map to support old log entries */ static $deprecatedTypeMap = array( 'oldid' => 'revision', 'artimestamp' => 'archive', 'oldimage' => 'oldimage', 'fileid' => 'filearchive', 'logid' => 'logging', ); public function __construct() { parent::__construct( 'Revisiondelete', 'deletedhistory' ); } public function execute( $par ) { global $wgOut, $wgUser, $wgRequest; if( !$wgUser->isAllowed( 'deletedhistory' ) ) { $wgOut->permissionRequired( 'deletedhistory' ); return; } else if( wfReadOnly() ) { $wgOut->readOnlyPage(); return; } $this->mIsAllowed = $wgUser->isAllowed('deleterevision'); // for changes $this->skin = $wgUser->getSkin(); $this->setHeaders(); $this->outputHeader(); $this->submitClicked = $wgRequest->wasPosted() && $wgRequest->getBool( 'wpSubmit' ); # Handle our many different possible input types. $ids = $wgRequest->getVal( 'ids' ); if ( !is_null( $ids ) ) { # Allow CSV, for backwards compatibility, or a single ID for show/hide links $this->ids = explode( ',', $ids ); } else { # Array input $this->ids = array_keys( $wgRequest->getArray('ids',array()) ); } // $this->ids = array_map( 'intval', $this->ids ); $this->ids = array_unique( array_filter( $this->ids ) ); if ( $wgRequest->getVal( 'action' ) == 'historysubmit' ) { # For show/hide form submission from history page $this->targetObj = $GLOBALS['wgTitle']; $this->typeName = 'revision'; } else { $this->typeName = $wgRequest->getVal( 'type' ); $this->targetObj = Title::newFromText( $wgRequest->getText( 'target' ) ); } # For reviewing deleted files... $this->archiveName = $wgRequest->getVal( 'file' ); $this->token = $wgRequest->getVal( 'token' ); if ( $this->archiveName && $this->targetObj ) { $this->tryShowFile( $this->archiveName ); return; } if ( isset( self::$deprecatedTypeMap[$this->typeName] ) ) { $this->typeName = self::$deprecatedTypeMap[$this->typeName]; } # No targets? if( !isset( self::$allowedTypes[$this->typeName] ) || count( $this->ids ) == 0 ) { $wgOut->showErrorPage( 'revdelete-nooldid-title', 'revdelete-nooldid-text' ); return; } $this->typeInfo = self::$allowedTypes[$this->typeName]; # If we have revisions, get the title from the first one # since they should all be from the same page. This allows # for more flexibility with page moves... if( $this->typeName == 'revision' ) { $rev = Revision::newFromId( $this->ids[0] ); $this->targetObj = $rev ? $rev->getTitle() : $this->targetObj; } $this->otherReason = $wgRequest->getVal( 'wpReason' ); # We need a target page! if( is_null($this->targetObj) ) { $wgOut->addWikiMsg( 'undelete-header' ); return; } # Give a link to the logs/hist for this page $this->showConvenienceLinks(); # Initialise checkboxes $this->checks = array( array( $this->typeInfo['check-label'], 'wpHidePrimary', $this->typeInfo['deletion-bits'] ), array( 'revdelete-hide-comment', 'wpHideComment', Revision::DELETED_COMMENT ), array( 'revdelete-hide-user', 'wpHideUser', Revision::DELETED_USER ) ); if( $wgUser->isAllowed('suppressrevision') ) { $this->checks[] = array( 'revdelete-hide-restricted', 'wpHideRestricted', Revision::DELETED_RESTRICTED ); } # Either submit or create our form if( $this->mIsAllowed && $this->submitClicked ) { $this->submit( $wgRequest ); } else { $this->showForm(); } $qc = $this->getLogQueryCond(); # Show relevant lines from the deletion log $wgOut->addHTML( "

" . htmlspecialchars( LogPage::logName( 'delete' ) ) . "

\n" ); LogEventsList::showLogExtract( $wgOut, 'delete', $this->targetObj->getPrefixedText(), '', array( 'lim' => 25, 'conds' => $qc ) ); # Show relevant lines from the suppression log if( $wgUser->isAllowed( 'suppressionlog' ) ) { $wgOut->addHTML( "

" . htmlspecialchars( LogPage::logName( 'suppress' ) ) . "

\n" ); LogEventsList::showLogExtract( $wgOut, 'suppress', $this->targetObj->getPrefixedText(), '', array( 'lim' => 25, 'conds' => $qc ) ); } } /** * Show some useful links in the subtitle */ protected function showConvenienceLinks() { global $wgOut, $wgUser, $wgLang; # Give a link to the logs/hist for this page if( $this->targetObj ) { $links = array(); $links[] = $this->skin->linkKnown( SpecialPage::getTitleFor( 'Log' ), wfMsgHtml( 'viewpagelogs' ), array(), array( 'page' => $this->targetObj->getPrefixedText() ) ); if ( $this->targetObj->getNamespace() != NS_SPECIAL ) { # Give a link to the page history $links[] = $this->skin->linkKnown( $this->targetObj, wfMsgHtml( 'pagehist' ), array(), array( 'action' => 'history' ) ); # Link to deleted edits if( $wgUser->isAllowed('undelete') ) { $undelete = SpecialPage::getTitleFor( 'Undelete' ); $links[] = $this->skin->linkKnown( $undelete, wfMsgHtml( 'deletedhist' ), array(), array( 'target' => $this->targetObj->getPrefixedDBkey() ) ); } } # Logs themselves don't have histories or archived revisions $wgOut->setSubtitle( '

' . $wgLang->pipeList( $links ) . '

' ); } } /** * Get the condition used for fetching log snippets */ protected function getLogQueryCond() { $conds = array(); // Revision delete logs for these item $conds['log_type'] = array('delete','suppress'); $conds['log_action'] = $this->getList()->getLogAction(); $conds['ls_field'] = RevisionDeleter::getRelationType( $this->typeName ); $conds['ls_value'] = $this->ids; return $conds; } /** * Show a deleted file version requested by the visitor. * TODO Mostly copied from Special:Undelete. Refactor. */ protected function tryShowFile( $archiveName ) { global $wgOut, $wgRequest, $wgUser, $wgLang; $repo = RepoGroup::singleton()->getLocalRepo(); $oimage = $repo->newFromArchiveName( $this->targetObj, $archiveName ); $oimage->load(); // Check if user is allowed to see this file if ( !$oimage->exists() ) { $wgOut->addWikiMsg( 'revdelete-no-file' ); return; } if( !$oimage->userCan(File::DELETED_FILE) ) { if( $oimage->isDeleted( File::DELETED_RESTRICTED ) ) { $wgOut->permissionRequired( 'suppressrevision' ); } else { $wgOut->permissionRequired( 'deletedtext' ); } return; } if ( !$wgUser->matchEditToken( $this->token, $archiveName ) ) { $wgOut->addWikiMsg( 'revdelete-show-file-confirm', $this->targetObj->getText(), $wgLang->date( $oimage->getTimestamp() ), $wgLang->time( $oimage->getTimestamp() ) ); $wgOut->addHTML( Xml::openElement( 'form', array( 'method' => 'POST', 'action' => $this->getTitle()->getLocalUrl( 'target=' . urlencode( $oimage->getName() ) . '&file=' . urlencode( $archiveName ) . '&token=' . urlencode( $wgUser->editToken( $archiveName ) ) ) ) ) . Xml::submitButton( wfMsg( 'revdelete-show-file-submit' ) ) . '' ); return; } $wgOut->disable(); # We mustn't allow the output to be Squid cached, otherwise # if an admin previews a deleted image, and it's cached, then # a user without appropriate permissions can toddle off and # nab the image, and Squid will serve it $wgRequest->response()->header( 'Expires: ' . gmdate( 'D, d M Y H:i:s', 0 ) . ' GMT' ); $wgRequest->response()->header( 'Cache-Control: no-cache, no-store, max-age=0, must-revalidate' ); $wgRequest->response()->header( 'Pragma: no-cache' ); # Stream the file to the client global $IP; require_once( "$IP/includes/StreamFile.php" ); $key = $oimage->getStorageKey(); $path = $repo->getZonePath( 'deleted' ) . '/' . $repo->getDeletedHashPath( $key ) . $key; wfStreamFile( $path ); } /** * Get the list object for this request */ protected function getList() { if ( is_null( $this->list ) ) { $class = $this->typeInfo['list-class']; $this->list = new $class( $this, $this->targetObj, $this->ids ); } return $this->list; } /** * Show a list of items that we will operate on, and show a form with checkboxes * which will allow the user to choose new visibility settings. */ protected function showForm() { global $wgOut, $wgUser, $wgLang; $UserAllowed = true; if ( $this->typeName == 'logging' ) { $wgOut->addWikiMsg( 'logdelete-selected', $wgLang->formatNum( count($this->ids) ) ); } else { $wgOut->addWikiMsg( 'revdelete-selected', $this->targetObj->getPrefixedText(), count( $this->ids ) ); } $wgOut->addHTML( "" ); // Explanation text $this->addUsageText(); // Normal sysops can always see what they did, but can't always change it if( !$UserAllowed ) return; // Show form if the user can submit if( $this->mIsAllowed ) { $out = Xml::openElement( 'form', array( 'method' => 'post', 'action' => $this->getTitle()->getLocalUrl( array( 'action' => 'submit' ) ), 'id' => 'mw-revdel-form-revisions' ) ) . Xml::fieldset( wfMsg( 'revdelete-legend' ) ) . $this->buildCheckBoxes() . Xml::openElement( 'table' ) . "\n" . '' . Xml::label( wfMsg( 'revdelete-log' ), 'wpRevDeleteReasonList' ) . '' . '' . Xml::listDropDown( 'wpRevDeleteReasonList', wfMsgForContent( 'revdelete-reason-dropdown' ), wfMsgForContent( 'revdelete-reasonotherlist' ), '', 'wpReasonDropDown', 1 ) . '' . "\n" . '' . Xml::label( wfMsg( 'revdelete-otherreason' ), 'wpReason' ) . '' . '' . Xml::input( 'wpReason', 60, $this->otherReason, array( 'id' => 'wpReason' ) ) . '' . "\n" . '' . '' . Xml::submitButton( wfMsgExt('revdelete-submit','parsemag',$numRevisions), array( 'name' => 'wpSubmit' ) ) . '' . "\n" . Xml::closeElement( 'table' ) . Html::hidden( 'wpEditToken', $wgUser->editToken() ) . Html::hidden( 'target', $this->targetObj->getPrefixedText() ) . Html::hidden( 'type', $this->typeName ) . Html::hidden( 'ids', implode( ',', $this->ids ) ) . Xml::closeElement( 'fieldset' ) . "\n"; } else { $out = ''; } if( $this->mIsAllowed ) { $out .= Xml::closeElement( 'form' ) . "\n"; // Show link to edit the dropdown reasons if( $wgUser->isAllowed( 'editinterface' ) ) { $title = Title::makeTitle( NS_MEDIAWIKI, 'revdelete-reason-dropdown' ); $link = $wgUser->getSkin()->link( $title, wfMsgHtml( 'revdelete-edit-reasonlist' ), array(), array( 'action' => 'edit' ) ); $out .= Xml::tags( 'p', array( 'class' => 'mw-revdel-editreasons' ), $link ) . "\n"; } } $wgOut->addHTML( $out ); } /** * Show some introductory text * FIXME Wikimedia-specific policy text */ protected function addUsageText() { global $wgOut, $wgUser; $wgOut->addWikiMsg( 'revdelete-text' ); if( $wgUser->isAllowed( 'suppressrevision' ) ) { $wgOut->addWikiMsg( 'revdelete-suppress-text' ); } if( $this->mIsAllowed ) { $wgOut->addWikiMsg( 'revdelete-confirm' ); } } /** * @return String: HTML */ protected function buildCheckBoxes() { global $wgRequest; $html = ''; // If there is just one item, use checkboxes $list = $this->getList(); if( $list->length() == 1 ) { $list->reset(); $bitfield = $list->current()->getBits(); // existing field if( $this->submitClicked ) { $bitfield = $this->extractBitfield( $this->extractBitParams($wgRequest), $bitfield ); } foreach( $this->checks as $item ) { list( $message, $name, $field ) = $item; $innerHTML = Xml::checkLabel( wfMsg($message), $name, $name, $bitfield & $field ); if( $field == Revision::DELETED_RESTRICTED ) $innerHTML = "$innerHTML"; $line = Xml::tags( 'td', array( 'class' => 'mw-input' ), $innerHTML ); $html .= "$line\n"; } // Otherwise, use tri-state radios } else { $html .= ''; $html .= ''; $html .= ''; $html .= ''; $html .= "\n"; foreach( $this->checks as $item ) { list( $message, $name, $field ) = $item; // If there are several items, use third state by default... if( $this->submitClicked ) { $selected = $wgRequest->getInt( $name, 0 /* unchecked */ ); } else { $selected = -1; // use existing field } $line = ''; $line .= ''; $line .= ''; $label = wfMsgHtml($message); if( $field == Revision::DELETED_RESTRICTED ) { $label = "$label"; } $line .= ""; $html .= "$line\n"; } } $html .= '
'.wfMsgHtml('revdelete-radio-same').''.wfMsgHtml('revdelete-radio-unset').''.wfMsgHtml('revdelete-radio-set').'
' . Xml::radio( $name, -1, $selected == -1 ) . '' . Xml::radio( $name, 0, $selected == 0 ) . '' . Xml::radio( $name, 1, $selected == 1 ) . '$label
'; return $html; } /** * UI entry point for form submission. * @param $request WebRequest */ protected function submit( $request ) { global $wgUser, $wgOut; # Check edit token on submission if( $this->submitClicked && !$wgUser->matchEditToken( $request->getVal('wpEditToken') ) ) { $wgOut->addWikiMsg( 'sessionfailure' ); return false; } $bitParams = $this->extractBitParams( $request ); $listReason = $request->getText( 'wpRevDeleteReasonList', 'other' ); // from dropdown $comment = $listReason; if( $comment != 'other' && $this->otherReason != '' ) { // Entry from drop down menu + additional comment $comment .= wfMsgForContent( 'colon-separator' ) . $this->otherReason; } elseif( $comment == 'other' ) { $comment = $this->otherReason; } # Can the user set this field? if( $bitParams[Revision::DELETED_RESTRICTED]==1 && !$wgUser->isAllowed('suppressrevision') ) { $wgOut->permissionRequired( 'suppressrevision' ); return false; } # If the save went through, go to success message... $status = $this->save( $bitParams, $comment, $this->targetObj ); if ( $status->isGood() ) { $this->success(); return true; # ...otherwise, bounce back to form... } else { $this->failure( $status ); } return false; } /** * Report that the submit operation succeeded */ protected function success() { global $wgOut; $wgOut->setPagetitle( wfMsg( 'actioncomplete' ) ); $wgOut->wrapWikiMsg( "\n$1\n", $this->typeInfo['success'] ); $this->list->reloadFromMaster(); $this->showForm(); } /** * Report that the submit operation failed */ protected function failure( $status ) { global $wgOut; $wgOut->setPagetitle( wfMsg( 'actionfailed' ) ); $wgOut->addWikiText( $status->getWikiText( $this->typeInfo['failure'] ) ); $this->showForm(); } /** * Put together an array that contains -1, 0, or the *_deleted const for each bit * @param $request WebRequest * @return array */ protected function extractBitParams( $request ) { $bitfield = array(); foreach( $this->checks as $item ) { list( /* message */ , $name, $field ) = $item; $val = $request->getInt( $name, 0 /* unchecked */ ); if( $val < -1 || $val > 1) { $val = -1; // -1 for existing value } $bitfield[$field] = $val; } if( !isset($bitfield[Revision::DELETED_RESTRICTED]) ) { $bitfield[Revision::DELETED_RESTRICTED] = 0; } return $bitfield; } /** * Put together a rev_deleted bitfield * @param $bitPars array extractBitParams() params * @param $oldfield int current bitfield * @return array */ public static function extractBitfield( $bitPars, $oldfield ) { // Build the actual new rev_deleted bitfield $newBits = 0; foreach( $bitPars as $const => $val ) { if( $val == 1 ) { $newBits |= $const; // $const is the *_deleted const } else if( $val == -1 ) { $newBits |= ($oldfield & $const); // use existing } } return $newBits; } /** * Do the write operations. Simple wrapper for RevDel_*List::setVisibility(). */ protected function save( $bitfield, $reason, $title ) { return $this->getList()->setVisibility( array( 'value' => $bitfield, 'comment' => $reason ) ); } }