add some comments

This commit is contained in:
JessonChan 2015-11-12 10:48:36 +08:00
parent a9881388f7
commit f8db8ae9c3
1 changed files with 8 additions and 0 deletions

View File

@ -127,6 +127,8 @@ func openFile(filePath string, fi os.FileInfo, acceptEncoding string) (bool, str
return mapFile.encoding != "", mapFile.encoding, mapFile, nil
}
// isStaticCompress detect static files
func isStaticCompress(filePath string) bool {
for _, statExtension := range StaticExtensionsToGzip {
if strings.HasSuffix(strings.ToLower(filePath), strings.ToLower(statExtension)) {
@ -136,6 +138,8 @@ func isStaticCompress(filePath string) bool {
return false
}
// searchFile search the file by url path
// if none the static file prefix matches ,return notStaticRequestErr
func searchFile(ctx *context.Context) (string, os.FileInfo, error) {
requestPath := filepath.Clean(ctx.Input.Request.URL.Path)
// special processing : favicon.ico/robots.txt can be in any static dir
@ -171,6 +175,10 @@ func searchFile(ctx *context.Context) (string, os.FileInfo, error) {
return "", nil, notStaticRequestErr
}
// lookupFile find the file to serve
// if the file is dir ,search the index.html as default file( MUST NOT A DIR also)
// if the index.html not exist or is a dir, give a forbidden response depending on DirectoryIndex
func lookupFile(ctx *context.Context) (bool, string, os.FileInfo, error) {
fp, fi, err := searchFile(ctx)
if fp == "" || fi == nil {