Fix nil checking on typed interface (#17598)

* Fix nil checking on typed interface - Partially resoles #17596 - Resolves SA4023 errors. - Ensure correctly that typed interface are nil. * Remove unnecessary code `NewBleveIndexer` will never return nil, even on errors. * Patch `NewBleveIndexer` * Fix low-level functions * Remove deadcode * Fix GetSession * Close Elastic search when err isn't nil * Update elastic_search.go Co-authored-by: Lunny Xiao <[email protected]> Co-authored-by: wxiaoguang <[email protected]>
go-gitea · Nov 15, 2021 · ab13797 · ab13797
1 parent 253d9e4
commit ab13797
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Showing 4 changed files with 8 additions and 15 deletions.
diff --git a/modules/indexer/code/bleve.go b/modules/indexer/code/bleve.go
@@ -173,6 +173,10 @@ func NewBleveIndexer(indexDir string) (*BleveIndexer, bool, error) {
 		indexDir: indexDir,
 	}
 	created, err := indexer.init()
+	if err != nil {
+		indexer.Close()
+		return nil, false, err
+	}
 	return indexer, created, err
 }
 

diff --git a/modules/indexer/code/elastic_search.go b/modules/indexer/code/elastic_search.go
@@ -82,7 +82,10 @@ func NewElasticSearchIndexer(url, indexerName string) (*ElasticSearchIndexer, bo
 		indexerAliasName: indexerName,
 	}
 	exists, err := indexer.init()
-
+	if err != nil {
+		indexer.Close()
+		return nil, false, err
+	}
 	return indexer, !exists, err
 }
 

diff --git a/modules/indexer/code/indexer.go b/modules/indexer/code/indexer.go
@@ -185,9 +185,6 @@ func Init() {
 
 			rIndexer, populate, err = NewBleveIndexer(setting.Indexer.RepoPath)
 			if err != nil {
-				if rIndexer != nil {
-					rIndexer.Close()
-				}
 				cancel()
 				indexer.Close()
 				close(waitChannel)
@@ -205,9 +202,6 @@ func Init() {
 
 			rIndexer, populate, err = NewElasticSearchIndexer(setting.Indexer.RepoConnStr, setting.Indexer.RepoIndexerName)
 			if err != nil {
-				if rIndexer != nil {
-					rIndexer.Close()
-				}
 				cancel()
 				indexer.Close()
 				close(waitChannel)

diff --git a/routers/web/base.go b/routers/web/base.go
@@ -130,14 +130,6 @@ func Recovery() func(next http.Handler) http.Handler {
 					log.Error("%v", combinedErr)
 
 					sessionStore := session.GetSession(req)
-					if sessionStore == nil {
-						if setting.IsProd {
-							http.Error(w, http.StatusText(500), 500)
-						} else {
-							http.Error(w, combinedErr, 500)
-						}
-						return
-					}
 
 					var lc = middleware.Locale(w, req)
 					var store = dataStore{