1075 lines
32 KiB
PHP
1075 lines
32 KiB
PHP
<?php
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/**
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* Special page allowing users with the appropriate permissions to view
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* and restore deleted content
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*
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* @addtogroup SpecialPage
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*/
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/**
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* Constructor
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*/
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function wfSpecialUndelete( $par ) {
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global $wgRequest;
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$form = new UndeleteForm( $wgRequest, $par );
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$form->execute();
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}
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/**
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* Used to show archived pages and eventually restore them.
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* @addtogroup SpecialPage
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*/
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class PageArchive {
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protected $title;
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var $fileStatus;
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function __construct( $title ) {
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if( is_null( $title ) ) {
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throw new MWException( 'Archiver() given a null title.');
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}
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$this->title = $title;
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}
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/**
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* List all deleted pages recorded in the archive table. Returns result
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* wrapper with (ar_namespace, ar_title, count) fields, ordered by page
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* namespace/title.
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*
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* @return ResultWrapper
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*/
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public static function listAllPages() {
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$dbr = wfGetDB( DB_SLAVE );
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return self::listPages( $dbr, '' );
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}
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/**
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* List deleted pages recorded in the archive table matching the
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* given title prefix.
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* Returns result wrapper with (ar_namespace, ar_title, count) fields.
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*
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* @return ResultWrapper
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*/
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public static function listPagesByPrefix( $prefix ) {
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$dbr = wfGetDB( DB_SLAVE );
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$title = Title::newFromText( $prefix );
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if( $title ) {
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$ns = $title->getNamespace();
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$encPrefix = $dbr->escapeLike( $title->getDBkey() );
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} else {
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// Prolly won't work too good
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// @todo handle bare namespace names cleanly?
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$ns = 0;
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$encPrefix = $dbr->escapeLike( $prefix );
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}
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$conds = array(
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'ar_namespace' => $ns,
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"ar_title LIKE '$encPrefix%'",
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);
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return self::listPages( $dbr, $conds );
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}
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protected static function listPages( $dbr, $condition ) {
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return $dbr->resultObject(
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$dbr->select(
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array( 'archive' ),
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array(
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'ar_namespace',
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'ar_title',
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'COUNT(*) AS count',
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),
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$condition,
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__METHOD__,
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array(
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'GROUP BY' => 'ar_namespace,ar_title',
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'ORDER BY' => 'ar_namespace,ar_title',
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'LIMIT' => 100,
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)
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)
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);
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}
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/**
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* List the revisions of the given page. Returns result wrapper with
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* (ar_minor_edit, ar_timestamp, ar_user, ar_user_text, ar_comment) fields.
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*
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* @return ResultWrapper
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*/
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function listRevisions() {
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$dbr = wfGetDB( DB_SLAVE );
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$res = $dbr->select( 'archive',
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array( 'ar_minor_edit', 'ar_timestamp', 'ar_user', 'ar_user_text', 'ar_comment', 'ar_len' ),
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array( 'ar_namespace' => $this->title->getNamespace(),
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'ar_title' => $this->title->getDBkey() ),
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'PageArchive::listRevisions',
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array( 'ORDER BY' => 'ar_timestamp DESC' ) );
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$ret = $dbr->resultObject( $res );
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return $ret;
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}
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/**
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* List the deleted file revisions for this page, if it's a file page.
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* Returns a result wrapper with various filearchive fields, or null
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* if not a file page.
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*
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* @return ResultWrapper
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* @todo Does this belong in Image for fuller encapsulation?
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*/
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function listFiles() {
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if( $this->title->getNamespace() == NS_IMAGE ) {
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$dbr = wfGetDB( DB_SLAVE );
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$res = $dbr->select( 'filearchive',
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array(
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'fa_id',
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'fa_name',
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'fa_storage_key',
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'fa_size',
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'fa_width',
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'fa_height',
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'fa_description',
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'fa_user',
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'fa_user_text',
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'fa_timestamp' ),
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array( 'fa_name' => $this->title->getDBkey() ),
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__METHOD__,
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array( 'ORDER BY' => 'fa_timestamp DESC' ) );
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$ret = $dbr->resultObject( $res );
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return $ret;
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}
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return null;
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}
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/**
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* Fetch (and decompress if necessary) the stored text for the deleted
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* revision of the page with the given timestamp.
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*
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* @return string
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* @deprecated Use getRevision() for more flexible information
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*/
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function getRevisionText( $timestamp ) {
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$rev = $this->getRevision( $timestamp );
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return $rev ? $rev->getText() : null;
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}
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/**
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* Return a Revision object containing data for the deleted revision.
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* Note that the result *may* or *may not* have a null page ID.
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* @param string $timestamp
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* @return Revision
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*/
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function getRevision( $timestamp ) {
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$dbr = wfGetDB( DB_SLAVE );
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$row = $dbr->selectRow( 'archive',
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array(
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'ar_rev_id',
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'ar_text',
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'ar_comment',
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'ar_user',
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'ar_user_text',
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'ar_timestamp',
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'ar_minor_edit',
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'ar_flags',
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'ar_text_id',
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'ar_len' ),
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array( 'ar_namespace' => $this->title->getNamespace(),
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'ar_title' => $this->title->getDBkey(),
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'ar_timestamp' => $dbr->timestamp( $timestamp ) ),
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__METHOD__ );
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if( $row ) {
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return new Revision( array(
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'page' => $this->title->getArticleId(),
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'id' => $row->ar_rev_id,
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'text' => ($row->ar_text_id
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? null
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: Revision::getRevisionText( $row, 'ar_' ) ),
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'comment' => $row->ar_comment,
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'user' => $row->ar_user,
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'user_text' => $row->ar_user_text,
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'timestamp' => $row->ar_timestamp,
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'minor_edit' => $row->ar_minor_edit,
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'text_id' => $row->ar_text_id ) );
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} else {
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return null;
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}
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}
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/**
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* Return the most-previous revision, either live or deleted, against
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* the deleted revision given by timestamp.
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*
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* May produce unexpected results in case of history merges or other
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* unusual time issues.
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*
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* @param string $timestamp
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* @return Revision or null
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*/
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function getPreviousRevision( $timestamp ) {
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$dbr = wfGetDB( DB_SLAVE );
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// Check the previous deleted revision...
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$row = $dbr->selectRow( 'archive',
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'ar_timestamp',
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array( 'ar_namespace' => $this->title->getNamespace(),
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'ar_title' => $this->title->getDBkey(),
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'ar_timestamp < ' .
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$dbr->addQuotes( $dbr->timestamp( $timestamp ) ) ),
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__METHOD__,
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array(
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'ORDER BY' => 'ar_timestamp DESC',
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'LIMIT' => 1 ) );
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$prevDeleted = $row ? wfTimestamp( TS_MW, $row->ar_timestamp ) : false;
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$row = $dbr->selectRow( array( 'page', 'revision' ),
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array( 'rev_id', 'rev_timestamp' ),
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array(
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'page_namespace' => $this->title->getNamespace(),
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'page_title' => $this->title->getDBkey(),
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'page_id = rev_page',
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'rev_timestamp < ' .
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$dbr->addQuotes( $dbr->timestamp( $timestamp ) ) ),
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__METHOD__,
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array(
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'ORDER BY' => 'rev_timestamp DESC',
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'LIMIT' => 1 ) );
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$prevLive = $row ? wfTimestamp( TS_MW, $row->rev_timestamp ) : false;
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$prevLiveId = $row ? intval( $row->rev_id ) : null;
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if( $prevLive && $prevLive > $prevDeleted ) {
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// Most prior revision was live
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return Revision::newFromId( $prevLiveId );
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} elseif( $prevDeleted ) {
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// Most prior revision was deleted
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return $this->getRevision( $prevDeleted );
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} else {
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// No prior revision on this page.
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return null;
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}
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}
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/**
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* Get the text from an archive row containing ar_text, ar_flags and ar_text_id
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*/
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function getTextFromRow( $row ) {
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if( is_null( $row->ar_text_id ) ) {
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// An old row from MediaWiki 1.4 or previous.
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// Text is embedded in this row in classic compression format.
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return Revision::getRevisionText( $row, "ar_" );
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} else {
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// New-style: keyed to the text storage backend.
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$dbr = wfGetDB( DB_SLAVE );
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$text = $dbr->selectRow( 'text',
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array( 'old_text', 'old_flags' ),
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array( 'old_id' => $row->ar_text_id ),
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__METHOD__ );
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return Revision::getRevisionText( $text );
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}
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}
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/**
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* Fetch (and decompress if necessary) the stored text of the most
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* recently edited deleted revision of the page.
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*
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* If there are no archived revisions for the page, returns NULL.
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*
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* @return string
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*/
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function getLastRevisionText() {
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$dbr = wfGetDB( DB_SLAVE );
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$row = $dbr->selectRow( 'archive',
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array( 'ar_text', 'ar_flags', 'ar_text_id' ),
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array( 'ar_namespace' => $this->title->getNamespace(),
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'ar_title' => $this->title->getDBkey() ),
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'PageArchive::getLastRevisionText',
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array( 'ORDER BY' => 'ar_timestamp DESC' ) );
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if( $row ) {
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return $this->getTextFromRow( $row );
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} else {
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return NULL;
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}
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}
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/**
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* Quick check if any archived revisions are present for the page.
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* @return bool
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*/
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function isDeleted() {
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$dbr = wfGetDB( DB_SLAVE );
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$n = $dbr->selectField( 'archive', 'COUNT(ar_title)',
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array( 'ar_namespace' => $this->title->getNamespace(),
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'ar_title' => $this->title->getDBkey() ) );
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return ($n > 0);
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}
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/**
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* Restore the given (or all) text and file revisions for the page.
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* Once restored, the items will be removed from the archive tables.
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* The deletion log will be updated with an undeletion notice.
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*
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* @param array $timestamps Pass an empty array to restore all revisions, otherwise list the ones to undelete.
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* @param string $comment
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* @param array $fileVersions
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*
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* @return array(number of file revisions restored, number of image revisions restored, log message)
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* on success, false on failure
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*/
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function undelete( $timestamps, $comment = '', $fileVersions = array() ) {
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// If both the set of text revisions and file revisions are empty,
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// restore everything. Otherwise, just restore the requested items.
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$restoreAll = empty( $timestamps ) && empty( $fileVersions );
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$restoreText = $restoreAll || !empty( $timestamps );
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$restoreFiles = $restoreAll || !empty( $fileVersions );
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if( $restoreFiles && $this->title->getNamespace() == NS_IMAGE ) {
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$img = wfLocalFile( $this->title );
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$this->fileStatus = $img->restore( $fileVersions );
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$filesRestored = $this->fileStatus->successCount;
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} else {
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$filesRestored = 0;
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}
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if( $restoreText ) {
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$textRestored = $this->undeleteRevisions( $timestamps );
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if($textRestored === false) // It must be one of UNDELETE_*
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return false;
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} else {
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$textRestored = 0;
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}
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// Touch the log!
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global $wgContLang;
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$log = new LogPage( 'delete' );
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if( $textRestored && $filesRestored ) {
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$reason = wfMsgExt( 'undeletedrevisions-files', array( 'content', 'parsemag' ),
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$wgContLang->formatNum( $textRestored ),
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$wgContLang->formatNum( $filesRestored ) );
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} elseif( $textRestored ) {
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$reason = wfMsgExt( 'undeletedrevisions', array( 'content', 'parsemag' ),
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$wgContLang->formatNum( $textRestored ) );
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} elseif( $filesRestored ) {
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$reason = wfMsgExt( 'undeletedfiles', array( 'content', 'parsemag' ),
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$wgContLang->formatNum( $filesRestored ) );
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} else {
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wfDebug( "Undelete: nothing undeleted...\n" );
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return false;
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}
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if( trim( $comment ) != '' )
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$reason .= ": {$comment}";
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$log->addEntry( 'restore', $this->title, $reason );
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return array($textRestored, $filesRestored, $reason);
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}
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/**
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* This is the meaty bit -- restores archived revisions of the given page
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* to the cur/old tables. If the page currently exists, all revisions will
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* be stuffed into old, otherwise the most recent will go into cur.
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*
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* @param array $timestamps Pass an empty array to restore all revisions, otherwise list the ones to undelete.
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* @param string $comment
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* @param array $fileVersions
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*
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* @return mixed number of revisions restored or false on failure
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*/
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private function undeleteRevisions( $timestamps ) {
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if ( wfReadOnly() )
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return false;
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$restoreAll = empty( $timestamps );
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$dbw = wfGetDB( DB_MASTER );
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# Does this page already exist? We'll have to update it...
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$article = new Article( $this->title );
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$options = 'FOR UPDATE';
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$page = $dbw->selectRow( 'page',
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array( 'page_id', 'page_latest' ),
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array( 'page_namespace' => $this->title->getNamespace(),
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'page_title' => $this->title->getDBkey() ),
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__METHOD__,
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$options );
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if( $page ) {
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# Page already exists. Import the history, and if necessary
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# we'll update the latest revision field in the record.
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$newid = 0;
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$pageId = $page->page_id;
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$previousRevId = $page->page_latest;
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} else {
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# Have to create a new article...
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$newid = $article->insertOn( $dbw );
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$pageId = $newid;
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$previousRevId = 0;
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}
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if( $restoreAll ) {
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$oldones = '1 = 1'; # All revisions...
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} else {
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$oldts = implode( ',',
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array_map( array( &$dbw, 'addQuotes' ),
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array_map( array( &$dbw, 'timestamp' ),
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$timestamps ) ) );
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$oldones = "ar_timestamp IN ( {$oldts} )";
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}
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/**
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* Restore each revision...
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*/
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$result = $dbw->select( 'archive',
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/* fields */ array(
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'ar_rev_id',
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'ar_text',
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|
'ar_comment',
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|
'ar_user',
|
|
'ar_user_text',
|
|
'ar_timestamp',
|
|
'ar_minor_edit',
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|
'ar_flags',
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|
'ar_text_id',
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|
'ar_page_id',
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|
'ar_len' ),
|
|
/* WHERE */ array(
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|
'ar_namespace' => $this->title->getNamespace(),
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|
'ar_title' => $this->title->getDBkey(),
|
|
$oldones ),
|
|
__METHOD__,
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|
/* options */ array(
|
|
'ORDER BY' => 'ar_timestamp' )
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|
);
|
|
if( $dbw->numRows( $result ) < count( $timestamps ) ) {
|
|
wfDebug( __METHOD__.": couldn't find all requested rows\n" );
|
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return false;
|
|
}
|
|
|
|
$revision = null;
|
|
$restored = 0;
|
|
|
|
while( $row = $dbw->fetchObject( $result ) ) {
|
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if( $row->ar_text_id ) {
|
|
// Revision was deleted in 1.5+; text is in
|
|
// the regular text table, use the reference.
|
|
// Specify null here so the so the text is
|
|
// dereferenced for page length info if needed.
|
|
$revText = null;
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|
} else {
|
|
// Revision was deleted in 1.4 or earlier.
|
|
// Text is squashed into the archive row, and
|
|
// a new text table entry will be created for it.
|
|
$revText = Revision::getRevisionText( $row, 'ar_' );
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}
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|
$revision = new Revision( array(
|
|
'page' => $pageId,
|
|
'id' => $row->ar_rev_id,
|
|
'text' => $revText,
|
|
'comment' => $row->ar_comment,
|
|
'user' => $row->ar_user,
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|
'user_text' => $row->ar_user_text,
|
|
'timestamp' => $row->ar_timestamp,
|
|
'minor_edit' => $row->ar_minor_edit,
|
|
'text_id' => $row->ar_text_id,
|
|
'len' => $row->ar_len
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|
) );
|
|
$revision->insertOn( $dbw );
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|
$restored++;
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|
|
|
wfRunHooks( 'ArticleRevisionUndeleted', array( &$this->title, $revision, $row->ar_page_id ) );
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|
}
|
|
// Was anything restored at all?
|
|
if($restored == 0)
|
|
return 0;
|
|
|
|
if( $revision ) {
|
|
// Attach the latest revision to the page...
|
|
$wasnew = $article->updateIfNewerOn( $dbw, $revision, $previousRevId );
|
|
|
|
if( $newid || $wasnew ) {
|
|
// Update site stats, link tables, etc
|
|
$article->createUpdates( $revision );
|
|
}
|
|
|
|
if( $newid ) {
|
|
wfRunHooks( 'ArticleUndelete', array( &$this->title, true ) );
|
|
Article::onArticleCreate( $this->title );
|
|
} else {
|
|
wfRunHooks( 'ArticleUndelete', array( &$this->title, false ) );
|
|
Article::onArticleEdit( $this->title );
|
|
}
|
|
|
|
if( $this->title->getNamespace() == NS_IMAGE ) {
|
|
$update = new HTMLCacheUpdate( $this->title, 'imagelinks' );
|
|
$update->doUpdate();
|
|
}
|
|
} else {
|
|
// Revision couldn't be created. This is very weird
|
|
return self::UNDELETE_UNKNOWNERR;
|
|
}
|
|
|
|
# Now that it's safely stored, take it out of the archive
|
|
$dbw->delete( 'archive',
|
|
/* WHERE */ array(
|
|
'ar_namespace' => $this->title->getNamespace(),
|
|
'ar_title' => $this->title->getDBkey(),
|
|
$oldones ),
|
|
__METHOD__ );
|
|
|
|
return $restored;
|
|
}
|
|
|
|
function getFileStatus() { return $this->fileStatus; }
|
|
}
|
|
|
|
/**
|
|
* The HTML form for Special:Undelete, which allows users with the appropriate
|
|
* permissions to view and restore deleted content.
|
|
* @addtogroup SpecialPage
|
|
*/
|
|
class UndeleteForm {
|
|
var $mAction, $mTarget, $mTimestamp, $mRestore, $mTargetObj;
|
|
var $mTargetTimestamp, $mAllowed, $mComment;
|
|
|
|
function UndeleteForm( $request, $par = "" ) {
|
|
global $wgUser;
|
|
$this->mAction = $request->getVal( 'action' );
|
|
$this->mTarget = $request->getVal( 'target' );
|
|
$this->mSearchPrefix = $request->getText( 'prefix' );
|
|
$time = $request->getVal( 'timestamp' );
|
|
$this->mTimestamp = $time ? wfTimestamp( TS_MW, $time ) : '';
|
|
$this->mFile = $request->getVal( 'file' );
|
|
|
|
$posted = $request->wasPosted() &&
|
|
$wgUser->matchEditToken( $request->getVal( 'wpEditToken' ) );
|
|
$this->mRestore = $request->getCheck( 'restore' ) && $posted;
|
|
$this->mPreview = $request->getCheck( 'preview' ) && $posted;
|
|
$this->mDiff = $request->getCheck( 'diff' );
|
|
$this->mComment = $request->getText( 'wpComment' );
|
|
|
|
if( $par != "" ) {
|
|
$this->mTarget = $par;
|
|
}
|
|
if ( $wgUser->isAllowed( 'undelete' ) && !$wgUser->isBlocked() ) {
|
|
$this->mAllowed = true;
|
|
} else {
|
|
$this->mAllowed = false;
|
|
$this->mTimestamp = '';
|
|
$this->mRestore = false;
|
|
}
|
|
if ( $this->mTarget !== "" ) {
|
|
$this->mTargetObj = Title::newFromURL( $this->mTarget );
|
|
} else {
|
|
$this->mTargetObj = NULL;
|
|
}
|
|
if( $this->mRestore ) {
|
|
$timestamps = array();
|
|
$this->mFileVersions = array();
|
|
foreach( $_REQUEST as $key => $val ) {
|
|
$matches = array();
|
|
if( preg_match( '/^ts(\d{14})$/', $key, $matches ) ) {
|
|
array_push( $timestamps, $matches[1] );
|
|
}
|
|
|
|
if( preg_match( '/^fileid(\d+)$/', $key, $matches ) ) {
|
|
$this->mFileVersions[] = intval( $matches[1] );
|
|
}
|
|
}
|
|
rsort( $timestamps );
|
|
$this->mTargetTimestamp = $timestamps;
|
|
}
|
|
}
|
|
|
|
function execute() {
|
|
global $wgOut;
|
|
if ( $this->mAllowed ) {
|
|
$wgOut->setPagetitle( wfMsg( "undeletepage" ) );
|
|
} else {
|
|
$wgOut->setPagetitle( wfMsg( "viewdeletedpage" ) );
|
|
}
|
|
|
|
if( is_null( $this->mTargetObj ) ) {
|
|
$this->showSearchForm();
|
|
|
|
# List undeletable articles
|
|
if( $this->mSearchPrefix ) {
|
|
$result = PageArchive::listPagesByPrefix(
|
|
$this->mSearchPrefix );
|
|
$this->showList( $result );
|
|
}
|
|
return;
|
|
}
|
|
if( $this->mTimestamp !== '' ) {
|
|
return $this->showRevision( $this->mTimestamp );
|
|
}
|
|
if( $this->mFile !== null ) {
|
|
return $this->showFile( $this->mFile );
|
|
}
|
|
if( $this->mRestore && $this->mAction == "submit" ) {
|
|
return $this->undelete();
|
|
}
|
|
return $this->showHistory();
|
|
}
|
|
|
|
function showSearchForm() {
|
|
global $wgOut, $wgScript;
|
|
$wgOut->addWikiText( wfMsg( 'undelete-header' ) );
|
|
|
|
$wgOut->addHtml(
|
|
Xml::openElement( 'form', array(
|
|
'method' => 'get',
|
|
'action' => $wgScript ) ) .
|
|
'<fieldset>' .
|
|
Xml::element( 'legend', array(),
|
|
wfMsg( 'undelete-search-box' ) ) .
|
|
Xml::hidden( 'title',
|
|
SpecialPage::getTitleFor( 'Undelete' )->getPrefixedDbKey() ) .
|
|
Xml::inputLabel( wfMsg( 'undelete-search-prefix' ),
|
|
'prefix', 'prefix', 20,
|
|
$this->mSearchPrefix ) .
|
|
Xml::submitButton( wfMsg( 'undelete-search-submit' ) ) .
|
|
'</fieldset>' .
|
|
'</form>' );
|
|
}
|
|
|
|
/* private */ function showList( $result ) {
|
|
global $wgLang, $wgContLang, $wgUser, $wgOut;
|
|
|
|
if( $result->numRows() == 0 ) {
|
|
$wgOut->addWikiText( wfMsg( 'undelete-no-results' ) );
|
|
return;
|
|
}
|
|
|
|
$wgOut->addWikiText( wfMsg( "undeletepagetext" ) );
|
|
|
|
$sk = $wgUser->getSkin();
|
|
$undelete = SpecialPage::getTitleFor( 'Undelete' );
|
|
$wgOut->addHTML( "<ul>\n" );
|
|
while( $row = $result->fetchObject() ) {
|
|
$title = Title::makeTitleSafe( $row->ar_namespace, $row->ar_title );
|
|
$link = $sk->makeKnownLinkObj( $undelete, htmlspecialchars( $title->getPrefixedText() ), 'target=' . $title->getPrefixedUrl() );
|
|
#$revs = wfMsgHtml( 'undeleterevisions', $wgLang->formatNum( $row->count ) );
|
|
$revs = wfMsgExt( 'undeleterevisions',
|
|
array( 'parseinline' ),
|
|
$wgLang->formatNum( $row->count ) );
|
|
$wgOut->addHtml( "<li>{$link} ({$revs})</li>\n" );
|
|
}
|
|
$result->free();
|
|
$wgOut->addHTML( "</ul>\n" );
|
|
|
|
return true;
|
|
}
|
|
|
|
/* private */ function showRevision( $timestamp ) {
|
|
global $wgLang, $wgUser, $wgOut;
|
|
$self = SpecialPage::getTitleFor( 'Undelete' );
|
|
$skin = $wgUser->getSkin();
|
|
|
|
if(!preg_match("/[0-9]{14}/",$timestamp)) return 0;
|
|
|
|
$archive = new PageArchive( $this->mTargetObj );
|
|
$rev = $archive->getRevision( $timestamp );
|
|
|
|
if( !$rev ) {
|
|
$wgOut->addWikiTexT( wfMsg( 'undeleterevision-missing' ) );
|
|
return;
|
|
}
|
|
|
|
$wgOut->setPageTitle( wfMsg( 'undeletepage' ) );
|
|
|
|
$link = $skin->makeKnownLinkObj(
|
|
SpecialPage::getTitleFor( 'Undelete', $this->mTargetObj->getPrefixedDBkey() ),
|
|
htmlspecialchars( $this->mTargetObj->getPrefixedText() )
|
|
);
|
|
$time = htmlspecialchars( $wgLang->timeAndDate( $timestamp, true ) );
|
|
$user = $skin->userLink( $rev->getUser(), $rev->getUserText() )
|
|
. $skin->userToolLinks( $rev->getUser(), $rev->getUserText() );
|
|
|
|
if( $this->mDiff ) {
|
|
$previousRev = $archive->getPreviousRevision( $timestamp );
|
|
if( $previousRev ) {
|
|
$this->showDiff( $previousRev, $rev );
|
|
if( $wgUser->getOption( 'diffonly' ) ) {
|
|
return;
|
|
} else {
|
|
$wgOut->addHtml( '<hr />' );
|
|
}
|
|
} else {
|
|
$wgOut->addHtml( wfMsgHtml( 'undelete-nodiff' ) );
|
|
}
|
|
}
|
|
|
|
$wgOut->addHtml( '<p>' . wfMsgHtml( 'undelete-revision', $link, $time, $user ) . '</p>' );
|
|
|
|
wfRunHooks( 'UndeleteShowRevision', array( $this->mTargetObj, $rev ) );
|
|
|
|
if( $this->mPreview ) {
|
|
$wgOut->addHtml( "<hr />\n" );
|
|
$wgOut->addWikiTextTitleTidy( $rev->getText(), $this->mTargetObj, false );
|
|
}
|
|
|
|
$wgOut->addHtml(
|
|
wfElement( 'textarea', array(
|
|
'readonly' => 'readonly',
|
|
'cols' => intval( $wgUser->getOption( 'cols' ) ),
|
|
'rows' => intval( $wgUser->getOption( 'rows' ) ) ),
|
|
$rev->getText() . "\n" ) .
|
|
wfOpenElement( 'div' ) .
|
|
wfOpenElement( 'form', array(
|
|
'method' => 'post',
|
|
'action' => $self->getLocalURL( "action=submit" ) ) ) .
|
|
wfElement( 'input', array(
|
|
'type' => 'hidden',
|
|
'name' => 'target',
|
|
'value' => $this->mTargetObj->getPrefixedDbKey() ) ) .
|
|
wfElement( 'input', array(
|
|
'type' => 'hidden',
|
|
'name' => 'timestamp',
|
|
'value' => $timestamp ) ) .
|
|
wfElement( 'input', array(
|
|
'type' => 'hidden',
|
|
'name' => 'wpEditToken',
|
|
'value' => $wgUser->editToken() ) ) .
|
|
wfElement( 'input', array(
|
|
'type' => 'submit',
|
|
'name' => 'preview',
|
|
'value' => wfMsg( 'showpreview' ) ) ) .
|
|
wfElement( 'input', array(
|
|
'name' => 'diff',
|
|
'type' => 'submit',
|
|
'value' => wfMsg( 'showdiff' ) ) ) .
|
|
wfCloseElement( 'form' ) .
|
|
wfCloseElement( 'div' ) );
|
|
}
|
|
|
|
/**
|
|
* Build a diff display between this and the previous either deleted
|
|
* or non-deleted edit.
|
|
* @param Revision $previousRev
|
|
* @param Revision $currentRev
|
|
* @return string HTML
|
|
*/
|
|
function showDiff( $previousRev, $currentRev ) {
|
|
global $wgOut, $wgUser;
|
|
|
|
$diffEngine = new DifferenceEngine();
|
|
$diffEngine->showDiffStyle();
|
|
$wgOut->addHtml(
|
|
"<div>" .
|
|
"<table border='0' width='98%' cellpadding='0' cellspacing='4' class='diff'>" .
|
|
"<col class='diff-marker' />" .
|
|
"<col class='diff-content' />" .
|
|
"<col class='diff-marker' />" .
|
|
"<col class='diff-content' />" .
|
|
"<tr>" .
|
|
"<td colspan='2' width='50%' align='center' class='diff-otitle'>" .
|
|
$this->diffHeader( $previousRev ) .
|
|
"</td>" .
|
|
"<td colspan='2' width='50%' align='center' class='diff-ntitle'>" .
|
|
$this->diffHeader( $currentRev ) .
|
|
"</td>" .
|
|
"</tr>" .
|
|
$diffEngine->generateDiffBody(
|
|
$previousRev->getText(), $currentRev->getText() ) .
|
|
"</table>" .
|
|
"</div>\n" );
|
|
|
|
}
|
|
|
|
private function diffHeader( $rev ) {
|
|
global $wgUser, $wgLang, $wgLang;
|
|
$sk = $wgUser->getSkin();
|
|
$isDeleted = !( $rev->getId() && $rev->getTitle() );
|
|
if( $isDeleted ) {
|
|
/// @fixme $rev->getTitle() is null for deleted revs...?
|
|
$targetPage = SpecialPage::getTitleFor( 'Undelete' );
|
|
$targetQuery = 'target=' .
|
|
$this->mTargetObj->getPrefixedUrl() .
|
|
'×tamp=' .
|
|
wfTimestamp( TS_MW, $rev->getTimestamp() );
|
|
} else {
|
|
/// @fixme getId() may return non-zero for deleted revs...
|
|
$targetPage = $rev->getTitle();
|
|
$targetQuery = 'oldid=' . $rev->getId();
|
|
}
|
|
return
|
|
'<div id="mw-diff-otitle1"><strong>' .
|
|
$sk->makeLinkObj( $targetPage,
|
|
wfMsgHtml( 'revisionasof',
|
|
$wgLang->timeanddate( $rev->getTimestamp(), true ) ),
|
|
$targetQuery ) .
|
|
( $isDeleted ? ' ' . wfMsgHtml( 'deletedrev' ) : '' ) .
|
|
'</strong></div>' .
|
|
'<div id="mw-diff-otitle2">' .
|
|
$sk->revUserTools( $rev ) . '<br/>' .
|
|
'</div>' .
|
|
'<div id="mw-diff-otitle3">' .
|
|
$sk->revComment( $rev ) . '<br/>' .
|
|
'</div>';
|
|
}
|
|
|
|
/**
|
|
* Show a deleted file version requested by the visitor.
|
|
*/
|
|
function showFile( $key ) {
|
|
global $wgOut, $wgRequest;
|
|
$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' );
|
|
|
|
$store = FileStore::get( 'deleted' );
|
|
$store->stream( $key );
|
|
}
|
|
|
|
/* private */ function showHistory() {
|
|
global $wgLang, $wgContLang, $wgUser, $wgOut;
|
|
|
|
$sk = $wgUser->getSkin();
|
|
if ( $this->mAllowed ) {
|
|
$wgOut->setPagetitle( wfMsg( "undeletepage" ) );
|
|
} else {
|
|
$wgOut->setPagetitle( wfMsg( 'viewdeletedpage' ) );
|
|
}
|
|
|
|
$archive = new PageArchive( $this->mTargetObj );
|
|
/*
|
|
$text = $archive->getLastRevisionText();
|
|
if( is_null( $text ) ) {
|
|
$wgOut->addWikiText( wfMsg( "nohistory" ) );
|
|
return;
|
|
}
|
|
*/
|
|
if ( $this->mAllowed ) {
|
|
$wgOut->addWikiText( wfMsg( "undeletehistory" ) );
|
|
} else {
|
|
$wgOut->addWikiText( wfMsg( "undeletehistorynoadmin" ) );
|
|
}
|
|
|
|
# List all stored revisions
|
|
$revisions = $archive->listRevisions();
|
|
$files = $archive->listFiles();
|
|
|
|
$haveRevisions = $revisions && $revisions->numRows() > 0;
|
|
$haveFiles = $files && $files->numRows() > 0;
|
|
|
|
# Batch existence check on user and talk pages
|
|
if( $haveRevisions ) {
|
|
$batch = new LinkBatch();
|
|
while( $row = $revisions->fetchObject() ) {
|
|
$batch->addObj( Title::makeTitleSafe( NS_USER, $row->ar_user_text ) );
|
|
$batch->addObj( Title::makeTitleSafe( NS_USER_TALK, $row->ar_user_text ) );
|
|
}
|
|
$batch->execute();
|
|
$revisions->seek( 0 );
|
|
}
|
|
if( $haveFiles ) {
|
|
$batch = new LinkBatch();
|
|
while( $row = $files->fetchObject() ) {
|
|
$batch->addObj( Title::makeTitleSafe( NS_USER, $row->fa_user_text ) );
|
|
$batch->addObj( Title::makeTitleSafe( NS_USER_TALK, $row->fa_user_text ) );
|
|
}
|
|
$batch->execute();
|
|
$files->seek( 0 );
|
|
}
|
|
|
|
if ( $this->mAllowed ) {
|
|
$titleObj = SpecialPage::getTitleFor( "Undelete" );
|
|
$action = $titleObj->getLocalURL( "action=submit" );
|
|
# Start the form here
|
|
$top = Xml::openElement( 'form', array( 'method' => 'post', 'action' => $action, 'id' => 'undelete' ) );
|
|
$wgOut->addHtml( $top );
|
|
}
|
|
|
|
# Show relevant lines from the deletion log:
|
|
$wgOut->addHTML( "<h2>" . htmlspecialchars( LogPage::logName( 'delete' ) ) . "</h2>\n" );
|
|
$logViewer = new LogViewer(
|
|
new LogReader(
|
|
new FauxRequest(
|
|
array(
|
|
'page' => $this->mTargetObj->getPrefixedText(),
|
|
'type' => 'delete'
|
|
)
|
|
)
|
|
), LogViewer::NO_ACTION_LINK
|
|
);
|
|
$logViewer->showList( $wgOut );
|
|
|
|
if( $this->mAllowed && ( $haveRevisions || $haveFiles ) ) {
|
|
# Format the user-visible controls (comment field, submission button)
|
|
# in a nice little table
|
|
$align = $wgContLang->isRtl() ? 'left' : 'right';
|
|
$table =
|
|
Xml::openElement( 'fieldset' ) .
|
|
Xml::openElement( 'table' ) .
|
|
"<tr>
|
|
<td colspan='2'>" .
|
|
wfMsgWikiHtml( 'undeleteextrahelp' ) .
|
|
"</td>
|
|
</tr>
|
|
<tr>
|
|
<td align='$align'>" .
|
|
Xml::label( wfMsg( 'undeletecomment' ), 'wpComment' ) .
|
|
"</td>
|
|
<td>" .
|
|
Xml::input( 'wpComment', 50, $this->mComment ) .
|
|
"</td>
|
|
</tr>
|
|
<tr>
|
|
<td> </td>
|
|
<td>" .
|
|
Xml::submitButton( wfMsg( 'undeletebtn' ), array( 'name' => 'restore', 'id' => 'mw-undelete-submit' ) ) .
|
|
Xml::element( 'input', array( 'type' => 'reset', 'value' => wfMsg( 'undeletereset' ), 'id' => 'mw-undelete-reset' ) ) .
|
|
"</td>
|
|
</tr>" .
|
|
Xml::closeElement( 'table' ) .
|
|
Xml::closeElement( 'fieldset' );
|
|
|
|
$wgOut->addHtml( $table );
|
|
}
|
|
|
|
$wgOut->addHTML( "<h2>" . htmlspecialchars( wfMsg( "history" ) ) . "</h2>\n" );
|
|
|
|
if( $haveRevisions ) {
|
|
# The page's stored (deleted) history:
|
|
$wgOut->addHTML("<ul>");
|
|
$target = urlencode( $this->mTarget );
|
|
$remaining = $revisions->numRows();
|
|
$earliestLiveTime = $this->getEarliestTime( $this->mTargetObj );
|
|
|
|
while( $row = $revisions->fetchObject() ) {
|
|
$remaining--;
|
|
$ts = wfTimestamp( TS_MW, $row->ar_timestamp );
|
|
if ( $this->mAllowed ) {
|
|
$checkBox = Xml::check( "ts$ts" );
|
|
$pageLink = $sk->makeKnownLinkObj( $titleObj,
|
|
$wgLang->timeanddate( $ts, true ),
|
|
"target=$target×tamp=$ts" );
|
|
if( ($remaining > 0) ||
|
|
($earliestLiveTime && $ts > $earliestLiveTime ) ) {
|
|
$diffLink = '(' .
|
|
$sk->makeKnownLinkObj( $titleObj,
|
|
wfMsgHtml( 'diff' ),
|
|
"target=$target×tamp=$ts&diff=prev" ) .
|
|
')';
|
|
} else {
|
|
// No older revision to diff against
|
|
$diffLink = '';
|
|
}
|
|
} else {
|
|
$checkBox = '';
|
|
$pageLink = $wgLang->timeanddate( $ts, true );
|
|
$diffLink = '';
|
|
}
|
|
$userLink = $sk->userLink( $row->ar_user, $row->ar_user_text ) . $sk->userToolLinks( $row->ar_user, $row->ar_user_text );
|
|
$stxt = '';
|
|
if (!is_null($size = $row->ar_len)) {
|
|
if ($size == 0) {
|
|
$stxt = wfMsgHtml('historyempty');
|
|
} else {
|
|
$stxt = wfMsgHtml('historysize', $wgLang->formatNum( $size ) );
|
|
}
|
|
}
|
|
$comment = $sk->commentBlock( $row->ar_comment );
|
|
$wgOut->addHTML( "<li>$checkBox $pageLink $diffLink . . $userLink $stxt $comment</li>\n" );
|
|
|
|
}
|
|
$revisions->free();
|
|
$wgOut->addHTML("</ul>");
|
|
} else {
|
|
$wgOut->addWikiText( wfMsg( "nohistory" ) );
|
|
}
|
|
|
|
if( $haveFiles ) {
|
|
$wgOut->addHtml( "<h2>" . wfMsgHtml( 'filehist' ) . "</h2>\n" );
|
|
$wgOut->addHtml( "<ul>" );
|
|
while( $row = $files->fetchObject() ) {
|
|
$ts = wfTimestamp( TS_MW, $row->fa_timestamp );
|
|
if ( $this->mAllowed && $row->fa_storage_key ) {
|
|
$checkBox = Xml::check( "fileid" . $row->fa_id );
|
|
$key = urlencode( $row->fa_storage_key );
|
|
$target = urlencode( $this->mTarget );
|
|
$pageLink = $sk->makeKnownLinkObj( $titleObj,
|
|
$wgLang->timeanddate( $ts, true ),
|
|
"target=$target&file=$key" );
|
|
} else {
|
|
$checkBox = '';
|
|
$pageLink = $wgLang->timeanddate( $ts, true );
|
|
}
|
|
$userLink = $sk->userLink( $row->fa_user, $row->fa_user_text ) . $sk->userToolLinks( $row->fa_user, $row->fa_user_text );
|
|
$data =
|
|
wfMsgHtml( 'widthheight',
|
|
$wgLang->formatNum( $row->fa_width ),
|
|
$wgLang->formatNum( $row->fa_height ) ) .
|
|
' (' .
|
|
wfMsgHtml( 'nbytes', $wgLang->formatNum( $row->fa_size ) ) .
|
|
')';
|
|
$comment = $sk->commentBlock( $row->fa_description );
|
|
$wgOut->addHTML( "<li>$checkBox $pageLink . . $userLink $data $comment</li>\n" );
|
|
}
|
|
$files->free();
|
|
$wgOut->addHTML( "</ul>" );
|
|
}
|
|
|
|
if ( $this->mAllowed ) {
|
|
# Slip in the hidden controls here
|
|
$misc = Xml::hidden( 'target', $this->mTarget );
|
|
$misc .= Xml::hidden( 'wpEditToken', $wgUser->editToken() );
|
|
$misc .= Xml::closeElement( 'form' );
|
|
$wgOut->addHtml( $misc );
|
|
}
|
|
|
|
return true;
|
|
}
|
|
|
|
private function getEarliestTime( $title ) {
|
|
$dbr = wfGetDB( DB_SLAVE );
|
|
if( $title->exists() ) {
|
|
$min = $dbr->selectField( 'revision',
|
|
'MIN(rev_timestamp)',
|
|
array( 'rev_page' => $title->getArticleId() ),
|
|
__METHOD__ );
|
|
return wfTimestampOrNull( TS_MW, $min );
|
|
}
|
|
return null;
|
|
}
|
|
|
|
function undelete() {
|
|
global $wgOut, $wgUser;
|
|
if ( wfReadOnly() ) {
|
|
$wgOut->readOnlyPage();
|
|
return;
|
|
}
|
|
if( !is_null( $this->mTargetObj ) ) {
|
|
$archive = new PageArchive( $this->mTargetObj );
|
|
|
|
$ok = $archive->undelete(
|
|
$this->mTargetTimestamp,
|
|
$this->mComment,
|
|
$this->mFileVersions );
|
|
|
|
if( is_array($ok) ) {
|
|
$skin = $wgUser->getSkin();
|
|
$link = $skin->makeKnownLinkObj( $this->mTargetObj );
|
|
$wgOut->addHtml( wfMsgWikiHtml( 'undeletedpage', $link ) );
|
|
} else {
|
|
$wgOut->showFatalError( wfMsg( "cannotundelete" ) );
|
|
}
|
|
|
|
// Show file deletion warnings and errors
|
|
$status = $archive->getFileStatus();
|
|
if ( $status && !$status->isGood() ) {
|
|
$wgOut->addWikiText( $status->getWikiText( 'undelete-error-short', 'undelete-error-long' ) );
|
|
}
|
|
} else {
|
|
$wgOut->showFatalError( wfMsg( "cannotundelete" ) );
|
|
}
|
|
return false;
|
|
}
|
|
}
|