diff options
Diffstat (limited to 'contrib/fs')
| -rw-r--r-- | contrib/fs/file.go | 30 | ||||
| -rw-r--r-- | contrib/fs/gopher.go | 3 |
2 files changed, 32 insertions, 1 deletions
diff --git a/contrib/fs/file.go b/contrib/fs/file.go index 7690a62..9f11f4f 100644 --- a/contrib/fs/file.go +++ b/contrib/fs/file.go @@ -2,7 +2,9 @@ package fs import ( "mime" + "os" "strings" + "unicode/utf8" ) func mediaType(filePath string) string { @@ -21,6 +23,9 @@ func mediaType(filePath string) string { mtype := mime.TypeByExtension(ext) if mtype == "" { + if contentsAreText(filePath) { + return "text/plain" + } return "application/octet-stream" } return mtype @@ -34,3 +39,28 @@ func isPrivate(fullpath string) bool { } return false } + +func contentsAreText(filepath string) bool { + f, err := os.Open(filepath) + if err != nil { + return false + } + defer func() { _ = f.Close() }() + + var buf [1024]byte + n, err := f.Read(buf[:]) + if err != nil { + return false + } + + for i, c := range string(buf[:n]) { + if i+utf8.UTFMax > n { + // incomplete last char + break + } + if c == 0xFFFD || c < ' ' && c != '\n' && c != '\t' && c != '\f' { + return false + } + } + return true +} diff --git a/contrib/fs/gopher.go b/contrib/fs/gopher.go index db21227..0a0b482 100644 --- a/contrib/fs/gopher.go +++ b/contrib/fs/gopher.go @@ -185,7 +185,8 @@ func isFile(path string) (bool, error) { } func isMap(path string, settings gophermap.FileSystemSettings) bool { - if strings.HasSuffix(path, ".gophermap") { + base := filepath.Base(path) + if base == "gophermap" || strings.HasSuffix(base, ".gph") || strings.HasSuffix(base, ".gophermap") { return true } return slices.Contains(settings.DirMaps, filepath.Base(path)) |