X-Git-Url: https://git.heureux-cyclage.org/?a=blobdiff_plain;f=includes%2FSpecialExport.php;h=2a0d13fda41889935ad766fdb1b87f34ae0d5e63;hb=24c478b815585a32fd9c4441f8a3ff59e505db59;hp=e3ba023d835247f072e2acf0fd87a5d77e750df1;hpb=251ceb80c8f2a173724b6c3e5995994786074a91;p=lhc%2Fweb%2Fwiklou.git

diff --git a/includes/SpecialExport.php b/includes/SpecialExport.php
index e3ba023d83..2a0d13fda4 100644
--- a/includes/SpecialExport.php
+++ b/includes/SpecialExport.php
@@ -18,28 +18,120 @@
 # http://www.gnu.org/copyleft/gpl.html
 /**
  *
- * @package MediaWiki
- * @subpackage SpecialPage
+ * @addtogroup SpecialPage
  */
 
-/** */
-require_once( 'Export.php' );
+function wfExportGetPagesFromCategory( $title ) {
+	global $wgContLang;
+
+	$name = $title->getDBkey();
+
+	$dbr = wfGetDB( DB_SLAVE );
+
+	list( $page, $categorylinks ) = $dbr->tableNamesN( 'page', 'categorylinks' );
+	$sql = "SELECT page_namespace, page_title FROM $page " .
+		"JOIN $categorylinks ON cl_from = page_id " .
+		"WHERE cl_to = " . $dbr->addQuotes( $name );
+
+	$pages = array();
+	$res = $dbr->query( $sql, 'wfExportGetPagesFromCategory' );
+	while ( $row = $dbr->fetchObject( $res ) ) {
+		$n = $row->page_title;
+		if ($row->page_namespace) {
+			$ns = $wgContLang->getNsText( $row->page_namespace );
+			$n = $ns . ':' . $n;
+		}
+
+		$pages[] = $n;
+	}
+	$dbr->freeResult($res);
+
+	return $pages;
+}
+
+/**
+ * Expand a list of pages to include templates used in those pages.
+ * @param $inputPages array, list of titles to look up
+ * @param $pageSet array, associative array indexed by titles for output
+ * @return array associative array index by titles
+ */
+function wfExportGetTemplates( $inputPages, $pageSet ) {
+	return wfExportGetLinks( $inputPages, $pageSet,
+		'templatelinks', 
+	 	array( 'tl_namespace AS namespace', 'tl_title AS title' ),
+		array( 'page_id=tl_from' ) );
+}
+
+/**
+ * Expand a list of pages to include images used in those pages.
+ * @param $inputPages array, list of titles to look up
+ * @param $pageSet array, associative array indexed by titles for output
+ * @return array associative array index by titles
+ */
+function wfExportGetImages( $inputPages, $pageSet ) {
+	return wfExportGetLinks( $inputPages, $pageSet,
+		'imagelinks',
+		array( NS_IMAGE . ' AS namespace', 'il_to AS title' ),
+		array( 'page_id=il_from' ) );
+}
+
+/**
+ * Expand a list of pages to include items used in those pages.
+ * @private
+ */
+function wfExportGetLinks( $inputPages, $pageSet, $table, $fields, $join ) {
+	$dbr = wfGetDB( DB_SLAVE );
+	foreach( $inputPages as $page ) {
+		$title = Title::newFromText( $page );
+		$pageSet[$title->getPrefixedText()] = true;
+		if( $title ) {
+			/// @fixme May or may not be more efficient to batch these
+			///        by namespace when given multiple input pages.
+			$result = $dbr->select(
+				array( 'page', $table ),
+				$fields,
+				array_merge( $join,
+					array(
+						'page_namespace' => $title->getNamespace(),
+						'page_title' => $title->getDbKey() ) ),
+				__METHOD__ );
+			foreach( $result as $row ) {
+				$template = Title::makeTitle( $row->namespace, $row->title );
+				$pageSet[$template->getPrefixedText()] = true;
+			}
+		}
+	}
+	return $pageSet;
+}
 
 /**
  *
  */
 function wfSpecialExport( $page = '' ) {
-	global $wgOut, $wgRequest, $wgExportAllowListContributors;
+	global $wgOut, $wgRequest, $wgSitename, $wgExportAllowListContributors;
 	global $wgExportAllowHistory, $wgExportMaxHistory;
-	$maxLimit = 200;
 
 	$curonly = true;
-	$fullHistory = array(
-		'dir' => 'asc',
-		'offset' => false,
-		'limit' => $maxLimit,
-	);
-	if( $wgRequest->wasPosted() ) {
+	$doexport = false;
+
+	if ( $wgRequest->getCheck( 'addcat' ) ) {
+		$page = $wgRequest->getText( 'pages' );
+		$catname = $wgRequest->getText( 'catname' );
+		
+		if ( $catname !== '' && $catname !== NULL && $catname !== false ) {
+			$t = Title::makeTitleSafe( NS_CATEGORY, $catname );
+			if ( $t ) {
+				/**
+				 * @fixme This can lead to hitting memory limit for very large
+				 * categories. Ideally we would do the lookup synchronously
+				 * during the export in a single query.
+				 */
+				$catpages = wfExportGetPagesFromCategory( $t );
+				if ( $catpages ) $page .= "\n" . implode( "\n", $catpages );
+			}
+		}
+	}
+	else if( $wgRequest->wasPosted() && $page == '' ) {
 		$page = $wgRequest->getText( 'pages' );
 		$curonly = $wgRequest->getCheck( 'curonly' );
 		$rawOffset = $wgRequest->getVal( 'offset' );
@@ -53,13 +145,13 @@ function wfSpecialExport( $page = '' ) {
 		$history = array(
 			'dir' => 'asc',
 			'offset' => false,
-			'limit' => $maxLimit,
+			'limit' => $wgExportMaxHistory,
 		);
 		$historyCheck = $wgRequest->getCheck( 'history' );
 		if ( $curonly ) {
-			$history = MW_EXPORT_CURRENT;
+			$history = WikiExporter::CURRENT;
 		} elseif ( !$historyCheck ) {
-			if ( $limit > 0 && $limit < $maxLimit ) {
+			if ( $limit > 0 && $limit < $wgExportMaxHistory ) {
 				$history['limit'] = $limit;
 			}
 			if ( !is_null( $offset ) ) {
@@ -69,44 +161,68 @@ function wfSpecialExport( $page = '' ) {
 				$history['dir'] = 'desc';
 			}
 		}
+		
+		if( $page != '' ) $doexport = true;
 	} else {
 		// Default to current-only for GET requests
-		$page = $wgRequest->getText( 'pages' );
+		$page = $wgRequest->getText( 'pages', $page );
 		$historyCheck = $wgRequest->getCheck( 'history' );
 		if( $historyCheck ) {
-			$history = MW_EXPORT_FULL;
+			$history = WikiExporter::FULL;
 		} else {
-			$history = MW_EXPORT_CURRENT;
+			$history = WikiExporter::CURRENT;
 		}
+		
+		if( $page != '' ) $doexport = true;
 	}
+
 	if( !$wgExportAllowHistory ) {
 		// Override
-		$history = MW_EXPORT_CURRENT;
+		$history = WikiExporter::CURRENT;
 	}
 	
 	$list_authors = $wgRequest->getCheck( 'listauthors' );
 	if ( !$curonly || !$wgExportAllowListContributors ) $list_authors = false ;
-
-	if( $page != '' ) {
+	
+	if ( $doexport ) {
 		$wgOut->disable();
 		
 		// Cancel output buffering and gzipping if set
 		// This should provide safer streaming for pages with history
-		while( $status = ob_get_status() ) {
-			ob_end_clean();
-			if( $status['name'] == 'ob_gzhandler' ) {
-				header( 'Content-Encoding:' );
-			}
-		}
+		wfResetOutputBuffers();
 		header( "Content-type: application/xml; charset=utf-8" );
-		$pages = explode( "\n", $page );
+		if( $wgRequest->getCheck( 'wpDownload' ) ) {
+			// Provide a sane filename suggestion
+			$filename = urlencode( $wgSitename . '-' . wfTimestampNow() . '.xml' );
+			$wgRequest->response()->header( "Content-disposition: attachment;filename={$filename}" );
+		}
+		
+		/* Split up the input and look up linked pages */
+		$inputPages = array_filter( explode( "\n", $page ) );
+		$pageSet = array_flip( $inputPages );
+
+		if( $wgRequest->getCheck( 'templates' ) ) {
+			$pageSet = wfExportGetTemplates( $inputPages, $pageSet );
+		}
 
-		$db =& wfGetDB( DB_SLAVE );
+		/*
+		// Enable this when we can do something useful exporting/importing image information. :)
+		if( $wgRequest->getCheck( 'images' ) ) {
+			$pageSet = wfExportGetImages( $inputPages, $pageSet );
+		}
+		*/
+		
+		$pages = array_keys( $pageSet );
+		
+		/* Ok, let's get to it... */
+
+		$db = wfGetDB( DB_SLAVE );
 		$exporter = new WikiExporter( $db, $history );
 		$exporter->list_authors = $list_authors ;
 		$exporter->openStream();
 		
 		foreach( $pages as $page ) {
+			/*
 			if( $wgExportMaxHistory && !$curonly ) {
 				$title = Title::newFromText( $page );
 				if( $title ) {
@@ -117,28 +233,45 @@ function wfSpecialExport( $page = '' ) {
 						continue;
 					}
 				}
-			}
-			$exporter->pageByName( $page );
+			}*/
+
+			#Bug 8824: Only export pages the user can read
+			$title = Title::newFromText( $page );
+			if( is_null( $title ) ) continue; #TODO: perhaps output an <error> tag or something.
+			if( !$title->userCan( 'read' ) ) continue; #TODO: perhaps output an <error> tag or something.
+
+			$exporter->pageByTitle( $title );
 		}
 		
 		$exporter->closeStream();
 		return;
 	}
 
-	$wgOut->addWikiText( wfMsg( "exporttext" ) );
-	$titleObj = Title::makeTitle( NS_SPECIAL, "Export" );
+	$self = SpecialPage::getTitleFor( 'Export' );
+	$wgOut->addHtml( wfMsgExt( 'exporttext', 'parse' ) );
+	
+	$form = Xml::openElement( 'form', array( 'method' => 'post',
+		'action' => $self->getLocalUrl( 'action=submit' ) ) );
+	
+	$form .= Xml::inputLabel( wfMsg( 'export-addcattext' )	, 'catname', 'catname', 40 ) . '&nbsp;';
+	$form .= Xml::submitButton( wfMsg( 'export-addcat' ), array( 'name' => 'addcat' ) ) . '<br />';
+	
+	$form .= Xml::openElement( 'textarea', array( 'name' => 'pages', 'cols' => 40, 'rows' => 10 ) );
+	$form .= htmlspecialchars( $page );
+	$form .= Xml::closeElement( 'textarea' );
+	$form .= '<br />';
 	
-	$form = wfOpenElement( 'form', array( 'method' => 'post', 'action' => $titleObj->getLocalUrl() ) );
-	$form .= wfOpenElement( 'textarea', array( 'name' => 'pages', 'cols' => 40, 'rows' => 10 ) ) . '</textarea><br />';
 	if( $wgExportAllowHistory ) {
-		$form .= wfCheck( 'curonly', true, array( 'value' => 'true', 'id' => 'curonly' ) );
-		$form .= wfLabel( wfMsg( 'exportcuronly' ), 'curonly' ) . '<br />';
+		$form .= Xml::checkLabel( wfMsg( 'exportcuronly' ), 'curonly', 'curonly', true ) . '<br />';
 	} else {
-		$wgOut->addWikiText( wfMsg( 'exportnohistory' ) );
+		$wgOut->addHtml( wfMsgExt( 'exportnohistory', 'parse' ) );
 	}
-	$form .= wfHidden( 'action', 'submit' );
-	$form .= wfSubmitButton( wfMsg( 'export-submit' ) ) . '</form>';
+	$form .= Xml::checkLabel( wfMsg( 'export-templates' ), 'templates', 'wpExportTemplates', false ) . '<br />';
+	// Enable this when we can do something useful exporting/importing image information. :)
+	//$form .= Xml::checkLabel( wfMsg( 'export-images' ), 'images', 'wpExportImages', false ) . '<br />';
+	$form .= Xml::checkLabel( wfMsg( 'export-download' ), 'wpDownload', 'wpDownload', true ) . '<br />';
+	
+	$form .= Xml::submitButton( wfMsg( 'export-submit' ) );
+	$form .= Xml::closeElement( 'form' );
 	$wgOut->addHtml( $form );
-}
-
-?>
+}
\ No newline at end of file