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( "" );
$where = $revObjs = array();
$numRevisions = 0;
// Live revisions...
$list = $this->getList();
for ( $list->reset(); $list->current(); $list->next() ) {
$item = $list->current();
if ( !$item->canView() ) {
if( !$this->submitClicked ) {
$wgOut->permissionRequired( 'suppressrevision' );
return;
}
$UserAllowed = false;
}
$numRevisions++;
$wgOut->addHTML( $item->getHTML() );
}
if( !$numRevisions ) {
$wgOut->showErrorPage( 'revdelete-nooldid-title', 'revdelete-nooldid-text' );
return;
}
$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' ) .
Xml::hidden( 'wpEditToken', $wgUser->editToken() ) .
Xml::hidden( 'target', $this->targetObj->getPrefixedText() ) .
Xml::hidden( 'type', $this->typeName ) .
Xml::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 .= ''.wfMsgHtml('revdelete-radio-same').' | ';
$html .= ''.wfMsgHtml('revdelete-radio-unset').' | ';
$html .= ''.wfMsgHtml('revdelete-radio-set').' | ';
$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 = '' . Xml::radio( $name, -1, $selected == -1 ) . ' | ';
$line .= '' . Xml::radio( $name, 0, $selected == 0 ) . ' | ';
$line .= '' . Xml::radio( $name, 1, $selected == 1 ) . ' | ';
$label = wfMsgHtml($message);
if( $field == Revision::DELETED_RESTRICTED ) {
$label = "$label";
}
$line .= "$label | ";
$html .= "$line
\n";
}
}
$html .= '
';
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 )
);
}
}