X-Git-Url: https://git.heureux-cyclage.org/?a=blobdiff_plain;f=includes%2FSpecialUndelete.php;h=7a322dbd40ebd50c0443418772581c2d794da814;hb=eaaf62fbdc21c1b43440e18f3874f31bd7ab12d8;hp=f964d58792c026a3a6c155f6a95f99a4d0867509;hpb=d6739493f7a99c58bc8dd017e48f0a4d7ac2acff;p=lhc%2Fweb%2Fwiklou.git diff --git a/includes/SpecialUndelete.php b/includes/SpecialUndelete.php index f964d58792..7a322dbd40 100644 --- a/includes/SpecialUndelete.php +++ b/includes/SpecialUndelete.php @@ -1,53 +1,93 @@ execute(); } /** - * - * @package MediaWiki - * @subpackage SpecialPage + * Used to show archived pages and eventually restore them. + * @addtogroup SpecialPage */ class PageArchive { - var $title; - - function PageArchive( &$title ) { + protected $title; + + function __construct( $title ) { if( is_null( $title ) ) { - wfDebugDieBacktrace( 'Archiver() given a null title.'); + throw new MWException( 'Archiver() given a null title.'); } - $this->title =& $title; + $this->title = $title; } - + /** * List all deleted pages recorded in the archive table. Returns result * wrapper with (ar_namespace, ar_title, count) fields, ordered by page - * namespace/title. Can be called staticaly. + * namespace/title. * * @return ResultWrapper */ - /* static */ function &listAllPages() { - $dbr =& wfGetDB( DB_SLAVE ); - $archive = $dbr->tableName( 'archive' ); - - $sql = "SELECT ar_namespace,ar_title, COUNT(*) AS count FROM $archive " . - "GROUP BY ar_namespace,ar_title ORDER BY ar_namespace,ar_title"; + public static function listAllPages() { + $dbr = wfGetDB( DB_SLAVE ); + return self::listPages( $dbr, '' ); + } + + /** + * List deleted pages recorded in the archive table matching the + * given title prefix. + * Returns result wrapper with (ar_namespace, ar_title, count) fields. + * + * @return ResultWrapper + */ + public static function listPagesByPrefix( $prefix ) { + $dbr = wfGetDB( DB_SLAVE ); + + $title = Title::newFromText( $prefix ); + if( $title ) { + $ns = $title->getNamespace(); + $encPrefix = $dbr->escapeLike( $title->getDbKey() ); + } else { + // Prolly won't work too good + // @todo handle bare namespace names cleanly? + $ns = 0; + $encPrefix = $dbr->escapeLike( $prefix ); + } + $conds = array( + 'ar_namespace' => $ns, + "ar_title LIKE '$encPrefix%'", + ); + return self::listPages( $dbr, $conds ); + } - return $dbr->resultObject( $dbr->query( $sql, 'PageArchive::listAllPages' ) ); + protected static function listPages( $dbr, $condition ) { + return $dbr->resultObject( + $dbr->select( + array( 'archive' ), + array( + 'ar_namespace', + 'ar_title', + 'COUNT(*) AS count', + ), + $condition, + __METHOD__, + array( + 'GROUP BY' => 'ar_namespace,ar_title', + 'ORDER BY' => 'ar_namespace,ar_title', + 'LIMIT' => 100, + ) + ) + ); } /** @@ -56,32 +96,124 @@ class PageArchive { * * @return ResultWrapper */ - function &listRevisions() { - $dbr =& wfGetDB( DB_SLAVE ); - return $dbr->resultObject( $dbr->select( 'archive', - array( 'ar_minor_edit', 'ar_timestamp', 'ar_user', 'ar_user_text', 'ar_comment' ), + function listRevisions() { + $dbr = wfGetDB( DB_SLAVE ); + $res = $dbr->select( 'archive', + array( 'ar_minor_edit', 'ar_timestamp', 'ar_user', 'ar_user_text', 'ar_comment', 'ar_len' ), array( 'ar_namespace' => $this->title->getNamespace(), 'ar_title' => $this->title->getDBkey() ), 'PageArchive::listRevisions', - array( 'ORDER BY' => 'ar_timestamp DESC' ) ) ); + array( 'ORDER BY' => 'ar_timestamp DESC' ) ); + $ret = $dbr->resultObject( $res ); + return $ret; } + /** + * List the deleted file revisions for this page, if it's a file page. + * Returns a result wrapper with various filearchive fields, or null + * if not a file page. + * + * @return ResultWrapper + * @todo Does this belong in Image for fuller encapsulation? + */ + function listFiles() { + if( $this->title->getNamespace() == NS_IMAGE ) { + $dbr = wfGetDB( DB_SLAVE ); + $res = $dbr->select( 'filearchive', + array( + 'fa_id', + 'fa_name', + 'fa_storage_key', + 'fa_size', + 'fa_width', + 'fa_height', + 'fa_description', + 'fa_user', + 'fa_user_text', + 'fa_timestamp' ), + array( 'fa_name' => $this->title->getDbKey() ), + __METHOD__, + array( 'ORDER BY' => 'fa_timestamp DESC' ) ); + $ret = $dbr->resultObject( $res ); + return $ret; + } + return null; + } + /** * Fetch (and decompress if necessary) the stored text for the deleted * revision of the page with the given timestamp. * * @return string + * @deprecated Use getRevision() for more flexible information */ function getRevisionText( $timestamp ) { - $dbr =& wfGetDB( DB_SLAVE ); + $rev = $this->getRevision( $timestamp ); + return $rev ? $rev->getText() : null; + } + + /** + * Return a Revision object containing data for the deleted revision. + * Note that the result *may* or *may not* have a null page ID. + * @param string $timestamp + * @return Revision + */ + function getRevision( $timestamp ) { + $dbr = wfGetDB( DB_SLAVE ); $row = $dbr->selectRow( 'archive', - array( 'ar_text', 'ar_flags' ), + array( + 'ar_rev_id', + 'ar_text', + 'ar_comment', + 'ar_user', + 'ar_user_text', + 'ar_timestamp', + 'ar_minor_edit', + 'ar_flags', + 'ar_text_id', + 'ar_len' ), array( 'ar_namespace' => $this->title->getNamespace(), 'ar_title' => $this->title->getDbkey(), - 'ar_timestamp' => $dbr->timestamp( $timestamp ) ) ); - return Revision::getRevisionText( $row, "ar_" ); + 'ar_timestamp' => $dbr->timestamp( $timestamp ) ), + __METHOD__ ); + if( $row ) { + return new Revision( array( + 'page' => $this->title->getArticleId(), + 'id' => $row->ar_rev_id, + 'text' => ($row->ar_text_id + ? null + : Revision::getRevisionText( $row, 'ar_' ) ), + 'comment' => $row->ar_comment, + 'user' => $row->ar_user, + 'user_text' => $row->ar_user_text, + 'timestamp' => $row->ar_timestamp, + 'minor_edit' => $row->ar_minor_edit, + 'text_id' => $row->ar_text_id ) ); + } else { + return null; + } } - + + /** + * Get the text from an archive row containing ar_text, ar_flags and ar_text_id + */ + function getTextFromRow( $row ) { + if( is_null( $row->ar_text_id ) ) { + // An old row from MediaWiki 1.4 or previous. + // Text is embedded in this row in classic compression format. + return Revision::getRevisionText( $row, "ar_" ); + } else { + // New-style: keyed to the text storage backend. + $dbr = wfGetDB( DB_SLAVE ); + $text = $dbr->selectRow( 'text', + array( 'old_text', 'old_flags' ), + array( 'old_id' => $row->ar_text_id ), + __METHOD__ ); + return Revision::getRevisionText( $text ); + } + } + + /** * Fetch (and decompress if necessary) the stored text of the most * recently edited deleted revision of the page. @@ -91,199 +223,267 @@ class PageArchive { * @return string */ function getLastRevisionText() { - $dbr =& wfGetDB( DB_SLAVE ); + $dbr = wfGetDB( DB_SLAVE ); $row = $dbr->selectRow( 'archive', - array( 'ar_text', 'ar_flags' ), + array( 'ar_text', 'ar_flags', 'ar_text_id' ), array( 'ar_namespace' => $this->title->getNamespace(), 'ar_title' => $this->title->getDBkey() ), 'PageArchive::getLastRevisionText', - 'ORDER BY ar_timestamp DESC LIMIT 1' ); + array( 'ORDER BY' => 'ar_timestamp DESC' ) ); if( $row ) { - return Revision::getRevisionText( $row, "ar_" ); + return $this->getTextFromRow( $row ); } else { return NULL; } } - + /** * Quick check if any archived revisions are present for the page. * @return bool */ function isDeleted() { - $dbr =& wfGetDB( DB_SLAVE ); + $dbr = wfGetDB( DB_SLAVE ); $n = $dbr->selectField( 'archive', 'COUNT(ar_title)', array( 'ar_namespace' => $this->title->getNamespace(), 'ar_title' => $this->title->getDBkey() ) ); return ($n > 0); } + + /** + * Restore the given (or all) text and file revisions for the page. + * Once restored, the items will be removed from the archive tables. + * The deletion log will be updated with an undeletion notice. + * + * @param array $timestamps Pass an empty array to restore all revisions, otherwise list the ones to undelete. + * @param string $comment + * @param array $fileVersions + * + * @return true on success. + */ + function undelete( $timestamps, $comment = '', $fileVersions = array() ) { + // If both the set of text revisions and file revisions are empty, + // restore everything. Otherwise, just restore the requested items. + $restoreAll = empty( $timestamps ) && empty( $fileVersions ); + + $restoreText = $restoreAll || !empty( $timestamps ); + $restoreFiles = $restoreAll || !empty( $fileVersions ); + + if( $restoreFiles && $this->title->getNamespace() == NS_IMAGE ) { + $img = new Image( $this->title ); + $filesRestored = $img->restore( $fileVersions ); + } else { + $filesRestored = 0; + } + + if( $restoreText ) { + $textRestored = $this->undeleteRevisions( $timestamps ); + } else { + $textRestored = 0; + } + + // Touch the log! + global $wgContLang; + $log = new LogPage( 'delete' ); + + if( $textRestored && $filesRestored ) { + $reason = wfMsgForContent( 'undeletedrevisions-files', + $wgContLang->formatNum( $textRestored ), + $wgContLang->formatNum( $filesRestored ) ); + } elseif( $textRestored ) { + $reason = wfMsgForContent( 'undeletedrevisions', + $wgContLang->formatNum( $textRestored ) ); + } elseif( $filesRestored ) { + $reason = wfMsgForContent( 'undeletedfiles', + $wgContLang->formatNum( $filesRestored ) ); + } else { + wfDebug( "Undelete: nothing undeleted...\n" ); + return false; + } + + if( trim( $comment ) != '' ) + $reason .= ": {$comment}"; + $log->addEntry( 'restore', $this->title, $reason ); + + return true; + } /** * This is the meaty bit -- restores archived revisions of the given page * to the cur/old tables. If the page currently exists, all revisions will * be stuffed into old, otherwise the most recent will go into cur. - * The deletion log will be updated with an undeletion notice. - * - * Returns true on success. * * @param array $timestamps Pass an empty array to restore all revisions, otherwise list the ones to undelete. - * @return bool + * @param string $comment + * @param array $fileVersions + * + * @return int number of revisions restored */ - function undelete( $timestamps ) { - global $wgUser, $wgOut, $wgLang, $wgDeferredUpdateList; - global $wgUseSquid, $wgInternalServer, $wgLinkCache; - - $fname = "doUndeleteArticle"; + private function undeleteRevisions( $timestamps ) { $restoreAll = empty( $timestamps ); - $restoreRevisions = count( $timestamps ); - - $dbw =& wfGetDB( DB_MASTER ); - extract( $dbw->tableNames( 'cur', 'archive', 'old' ) ); - $namespace = $this->title->getNamespace(); - $ttl = $this->title->getDBkey(); - $t = $dbw->strencode( $ttl ); - - # Move article and history from the "archive" table - $sql = "SELECT COUNT(*) AS count FROM $cur WHERE cur_namespace={$namespace} AND cur_title='{$t}'"; - global $wgDBtype; - if( $wgDBtype != 'PostgreSQL' ) { # HACKHACKHACKHACK - $sql .= ' FOR UPDATE'; - } - $res = $dbw->query( $sql, $fname ); - $row = $dbw->fetchObject( $res ); - $now = wfTimestampNow(); - - if( $row->count == 0) { - # Have to create new article... - $sql = "SELECT ar_text,ar_comment,ar_user,ar_user_text,ar_timestamp,ar_minor_edit,ar_flags FROM $archive WHERE ar_namespace={$namespace} AND ar_title='{$t}' "; - if( !$restoreAll ) { - $max = $dbw->addQuotes( $dbw->timestamp( array_shift( $timestamps ) ) ); - $sql .= "AND ar_timestamp={$max} "; - } - $sql .= "ORDER BY ar_timestamp DESC LIMIT 1 FOR UPDATE"; - $res = $dbw->query( $sql, $fname ); - $s = $dbw->fetchObject( $res ); - if( $restoreAll ) { - $max = $s->ar_timestamp; - } - $text = Revision::getRevisionText( $s, "ar_" ); - - $redirect = MagicWord::get( MAG_REDIRECT ); - $redir = $redirect->matchStart( $text ) ? 1 : 0; - - $rand = wfRandom(); - $dbw->insert( 'cur', array( - 'cur_id' => $dbw->nextSequenceValue( 'cur_cur_id_seq' ), - 'cur_namespace' => $namespace, - 'cur_title' => $ttl, - 'cur_text' => $text, - 'cur_comment' => $s->ar_comment, - 'cur_user' => $s->ar_user, - 'cur_timestamp' => $s->ar_timestamp, - 'cur_minor_edit' => $s->ar_minor_edit, - 'cur_user_text' => $s->ar_user_text, - 'cur_is_redirect' => $redir, - 'cur_random' => $rand, - 'cur_touched' => $dbw->timestamp( $now ), - ), $fname ); - - $newid = $dbw->insertId(); - if( $restoreAll ) { - $oldones = "AND ar_timestamp<" . $dbw->addQuotes( $dbw->timestamp( $max ) ); - } + + $dbw = wfGetDB( DB_MASTER ); + $page = $dbw->tableName( 'archive' ); + + # Does this page already exist? We'll have to update it... + $article = new Article( $this->title ); + $options = 'FOR UPDATE'; + $page = $dbw->selectRow( 'page', + array( 'page_id', 'page_latest' ), + array( 'page_namespace' => $this->title->getNamespace(), + 'page_title' => $this->title->getDBkey() ), + __METHOD__, + $options ); + if( $page ) { + # Page already exists. Import the history, and if necessary + # we'll update the latest revision field in the record. + $newid = 0; + $pageId = $page->page_id; + $previousRevId = $page->page_latest; } else { - # If already exists, put history entirely into old table - $oldones = ""; - $newid = 0; - - # But to make the history list show up right, we need to touch it. - $sql = "UPDATE $cur SET cur_touched='{$now}' WHERE cur_namespace={$namespace} AND cur_title='{$t}'"; - $dbw->query( $sql, $fname ); - - # FIXME: Sometimes restored entries will be _newer_ than the current version. - # We should merge. + # Have to create a new article... + $newid = $article->insertOn( $dbw ); + $pageId = $newid; + $previousRevId = 0; } - - if( !$restoreAll ) { - $oldts = array(); - foreach( $timestamps as $ts ) { - array_push( $oldts, $dbw->addQuotes( $dbw->timestamp( $ts ) ) ); - } - $oldts = join( ",", $oldts ); - $oldones = "AND ar_timestamp IN ( {$oldts} )"; - } - $sql = "INSERT INTO $old (old_namespace,old_title,old_text," . - "old_comment,old_user,old_user_text,old_timestamp,old_minor_edit," . - "old_flags) SELECT ar_namespace,ar_title,ar_text,ar_comment," . - "ar_user,ar_user_text,ar_timestamp,ar_minor_edit,ar_flags " . - "FROM $archive WHERE ar_namespace={$namespace} AND ar_title='{$t}' {$oldones}"; - if( $restoreAll || !empty( $oldts ) ) { - $dbw->query( $sql, $fname ); - } - - # Finally, clean up the link tables - if( $newid ) { - $wgLinkCache = new LinkCache(); - # Select for update - $wgLinkCache->forUpdate( true ); - # Create a dummy OutputPage to update the outgoing links - $dummyOut = new OutputPage(); - $dummyOut->addWikiText( $text ); - - $u = new LinksUpdate( $newid, $this->title->getPrefixedDBkey() ); - array_push( $wgDeferredUpdateList, $u ); - - Article::onArticleCreate( $this->title ); - #TODO: SearchUpdate, etc. + if( $restoreAll ) { + $oldones = '1 = 1'; # All revisions... + } else { + $oldts = implode( ',', + array_map( array( &$dbw, 'addQuotes' ), + array_map( array( &$dbw, 'timestamp' ), + $timestamps ) ) ); + + $oldones = "ar_timestamp IN ( {$oldts} )"; } - # Now that it's safely stored, take it out of the archive - $sql = "DELETE FROM $archive WHERE ar_namespace={$namespace} AND " . - "ar_title='{$t}'"; - if( !$restoreAll ) { - $sql .= " AND ar_timestamp IN ( {$oldts}"; - if( $newid ) { - if( !empty( $oldts ) ) $sql .= ","; - $sql .= $max; + /** + * Restore each revision... + */ + $result = $dbw->select( 'archive', + /* fields */ array( + 'ar_rev_id', + 'ar_text', + 'ar_comment', + 'ar_user', + 'ar_user_text', + 'ar_timestamp', + 'ar_minor_edit', + 'ar_flags', + 'ar_text_id', + 'ar_len' ), + /* WHERE */ array( + 'ar_namespace' => $this->title->getNamespace(), + 'ar_title' => $this->title->getDBkey(), + $oldones ), + __METHOD__, + /* options */ array( + 'ORDER BY' => 'ar_timestamp' ) + ); + if( $dbw->numRows( $result ) < count( $timestamps ) ) { + wfDebug( __METHOD__.": couldn't find all requested rows\n" ); + return false; + } + + $revision = null; + $restored = 0; + + while( $row = $dbw->fetchObject( $result ) ) { + 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; + } 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_' ); } - $sql .= ")"; + $revision = new Revision( array( + 'page' => $pageId, + 'id' => $row->ar_rev_id, + 'text' => $revText, + 'comment' => $row->ar_comment, + 'user' => $row->ar_user, + '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 + ) ); + $revision->insertOn( $dbw ); + $restored++; } - $dbw->query( $sql, $fname ); - - # Touch the log? - $log = new LogPage( 'delete' ); - if( $restoreAll ) { - $reason = ""; + 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 ); + } } else { - $reason = wfMsg( 'undeletedrevisions', $restoreRevisions ); + # Something went terribly wrong! } - $log->addEntry( 'restore', $this->title, $reason ); - - return true; + + # 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; } + } /** - * - * @package MediaWiki - * @subpackage SpecialPage + * 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; + var $mTargetTimestamp, $mAllowed, $mComment; - function UndeleteForm( &$request, $par = "" ) { + function UndeleteForm( $request, $par = "" ) { global $wgUser; - $this->mAction = $request->getText( 'action' ); - $this->mTarget = $request->getText( 'target' ); - $this->mTimestamp = $request->getText( 'timestamp' ); - $this->mRestore = $request->getCheck( 'restore' ) && - $request->wasPosted() && + $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->mComment = $request->getText( 'wpComment' ); + if( $par != "" ) { $this->mTarget = $par; } + if ( $wgUser->isAllowed( 'delete' ) && !$wgUser->isBlocked() ) { + $this->mAllowed = true; + } else { + $this->mAllowed = false; + $this->mTimestamp = ''; + $this->mRestore = false; + } if ( $this->mTarget !== "" ) { $this->mTargetObj = Title::newFromURL( $this->mTarget ); } else { @@ -291,10 +491,16 @@ class UndeleteForm { } 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; @@ -302,137 +508,343 @@ class UndeleteForm { } function execute() { + global $wgOut; + if ( $this->mAllowed ) { + $wgOut->setPagetitle( wfMsg( "undeletepage" ) ); + } else { + $wgOut->setPagetitle( wfMsg( "viewdeletedpage" ) ); + } + if( is_null( $this->mTargetObj ) ) { - return $this->showList(); + $this->showSearchForm(); + + # List undeletable articles + if( $this->mSearchPrefix ) { + $result = PageArchive::listPagesByPrefix( + $this->mSearchPrefix ); + $this->showList( $result ); + } + return; } - if( $this->mTimestamp !== "" ) { + 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(); } - /* private */ function showList() { - global $wgLang, $wgContLang, $wgUser, $wgOut; - $fname = "UndeleteForm::showList"; + function showSearchForm() { + global $wgOut, $wgScript; + $wgOut->addWikiText( wfMsg( 'undelete-header' ) ); - # List undeletable articles - $result = PageArchive::listAllPages(); + $wgOut->addHtml( + Xml::openElement( 'form', array( + 'method' => 'get', + 'action' => $wgScript ) ) . + '
' . + 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' ) ) . + '
' . + '' ); + } + + /* private */ function showList( $result ) { + global $wgLang, $wgContLang, $wgUser, $wgOut; - $wgOut->setPagetitle( wfMsg( "undeletepage" ) ); + if( $result->numRows() == 0 ) { + $wgOut->addWikiText( wfMsg( 'undelete-no-results' ) ); + return; + } + $wgOut->addWikiText( wfMsg( "undeletepagetext" ) ); $sk = $wgUser->getSkin(); - $undelete =& Title::makeTitle( NS_SPECIAL, 'Undelete' ); + $undelete = SpecialPage::getTitleFor( 'Undelete' ); $wgOut->addHTML( "\n" ); - + return true; } - + /* private */ function showRevision( $timestamp ) { global $wgLang, $wgUser, $wgOut; - $fname = "UndeleteForm::showRevision"; + $self = SpecialPage::getTitleFor( 'Undelete' ); + $skin = $wgUser->getSkin(); if(!preg_match("/[0-9]{14}/",$timestamp)) return 0; - $archive =& new PageArchive( $this->mTargetObj ); - $text = $archive->getRevisionText( $timestamp ); + $archive = new PageArchive( $this->mTargetObj ); + $rev = $archive->getRevision( $timestamp ); + + $wgOut->setPageTitle( wfMsg( 'undeletepage' ) ); + $link = $skin->makeKnownLinkObj( $self, htmlspecialchars( $this->mTargetObj->getPrefixedText() ), + 'target=' . $this->mTargetObj->getPrefixedUrl() ); + $wgOut->addHtml( '

' . wfMsgHtml( 'undelete-revision', $link, + htmlspecialchars( $wgLang->timeAndDate( $timestamp ) ) ) . '

' ); + + if( !$rev ) { + $wgOut->addWikiText( wfMsg( 'undeleterevision-missing' ) ); + return; + } + + wfRunHooks( 'UndeleteShowRevision', array( $this->mTargetObj, $rev ) ); - $wgOut->setPagetitle( wfMsg( "undeletepage" ) ); - $wgOut->addWikiText( "(" . wfMsg( "undeleterevision", - $wgLang->date( $timestamp ) ) . ")\n
\n" . $text ); + if( $this->mPreview ) { + $wgOut->addHtml( "
\n" ); + $wgOut->addWikiTextTitleTidy( $rev->getText(), $this->mTargetObj, false ); + } + + $wgOut->addHtml( + wfElement( 'textarea', array( + 'readonly' => true, + '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' => 'hidden', + 'name' => 'preview', + 'value' => '1' ) ) . + wfElement( 'input', array( + 'type' => 'submit', + 'value' => wfMsg( 'showpreview' ) ) ) . + wfCloseElement( 'form' ) . + wfCloseElement( '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, $wgUser, $wgOut; - + $sk = $wgUser->getSkin(); - $wgOut->setPagetitle( wfMsg( "undeletepage" ) ); + 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; } - $wgOut->addWikiText( wfMsg( "undeletehistory" ) . "\n----\n" . $text ); + */ + if ( $this->mAllowed ) { + $wgOut->addWikiText( wfMsg( "undeletehistory" ) ); + } else { + $wgOut->addWikiText( wfMsg( "undeletehistorynoadmin" ) ); + } # List all stored revisions $revisions = $archive->listRevisions(); + $files = $archive->listFiles(); - $titleObj = Title::makeTitle( NS_SPECIAL, "Undelete" ); - $action = $titleObj->escapeLocalURL( "action=submit" ); - $encTarget = htmlspecialchars( $this->mTarget ); - $button = htmlspecialchars( wfMsg("undeletebtn") ); - $token = htmlspecialchars( $wgUser->editToken() ); + $haveRevisions = $revisions && $revisions->numRows() > 0; + $haveFiles = $files && $files->numRows() > 0; - $wgOut->addHTML(" -
- - - - "); + # 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 = wfOpenElement( 'form', array( 'method' => 'post', 'action' => $action, 'id' => 'undelete' ) ); + $wgOut->addHtml( $top ); + } # Show relevant lines from the deletion log: $wgOut->addHTML( "

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

\n" ); - require_once( 'SpecialLog.php' ); - $logViewer =& new LogViewer( + $logViewer = new LogViewer( new LogReader( new FauxRequest( array( 'page' => $this->mTargetObj->getPrefixedText(), - 'type' => 'delete' ) ) ) ); + 'type' => 'delete' ) ) ) ); $logViewer->showList( $wgOut ); - # The page's stored (deleted) history: + if( $this->mAllowed && ( $haveRevisions || $haveFiles ) ) { + # Format the user-visible controls (comment field, submission button) + # in a nice little table + $table = '
'; + $table .= ''; + $table .= ''; + $table .= ''; + $table .= '
' . wfMsgWikiHtml( 'undeleteextrahelp' ) . '
' . wfMsgHtml( 'undeletecomment' ) . '' . wfInput( 'wpComment', 50, $this->mComment ) . '
 '; + $table .= wfSubmitButton( wfMsg( 'undeletebtn' ), array( 'name' => 'restore' ) ); + $table .= wfElement( 'input', array( 'type' => 'reset', 'value' => wfMsg( 'undeletereset' ) ) ); + $table .= '
'; + $wgOut->addHtml( $table ); + } + $wgOut->addHTML( "

" . htmlspecialchars( wfMsg( "history" ) ) . "

\n" ); - $wgOut->addHTML("\n
"); + if ( $this->mAllowed ) { + # Slip in the hidden controls here + $misc = wfHidden( 'target', $this->mTarget ); + $misc .= wfHidden( 'wpEditToken', $wgUser->editToken() ); + $wgOut->addHtml( $misc . '' ); + } + return true; } function undelete() { - global $wgOut; + global $wgOut, $wgUser; if( !is_null( $this->mTargetObj ) ) { $archive = new PageArchive( $this->mTargetObj ); - if( $archive->undelete( $this->mTargetTimestamp ) ) { - $wgOut->addWikiText( wfMsg( "undeletedtext", $this->mTarget ) ); + + $ok = $archive->undelete( + $this->mTargetTimestamp, + $this->mComment, + $this->mFileVersions ); + + if( $ok ) { + $skin = $wgUser->getSkin(); + $link = $skin->makeKnownLinkObj( $this->mTargetObj ); + $wgOut->addHtml( wfMsgWikiHtml( 'undeletedpage', $link ) ); return true; } } - $wgOut->fatalError( wfMsg( "cannotundelete" ) ); + $wgOut->showFatalError( wfMsg( "cannotundelete" ) ); return false; } }