CGS: implement MimeTyper interface

docs/howto/rest-api-https-auth.md

@@ -58,7 +58,7 @@ Setting an empty `bind_address` means that the service will listen on all availa
 Now restart the SFTPGo service to apply the changes.
 
 ```shell
-systemctl restart sftpgo
+sudo systemctl restart sftpgo
 ```
 
 You are done! Now login to the Web Admin interface using the username and password created above.
@@ -108,7 +108,7 @@ Search for the `httpd` section and change it as follow.
 Now restart the SFTPGo service to apply the changes.
 
 ```shell
-systemctl restart sftpgo
+sudo systemctl restart sftpgo
 ```
 
 You are done! Now SFTPGo web admin and REST API are exposed over HTTPS and password protected.

vfs/fileinfo.go

@@ -6,27 +6,19 @@ import (
 	"time"
 )
 
-// FileContentTyper is an optional interface for vfs.FileInfo
-type FileContentTyper interface {
-	GetContentType() string
-}
-
 // FileInfo implements os.FileInfo for a Cloud Storage file.
 type FileInfo struct {
 	name        string
 	sizeInBytes int64
 	modTime     time.Time
 	mode        os.FileMode
-	contentType string
 }
 
 // NewFileInfo creates file info.
 func NewFileInfo(name string, isDirectory bool, sizeInBytes int64, modTime time.Time, fullName bool) FileInfo {
 	mode := os.FileMode(0644)
-	contentType := ""
 	if isDirectory {
 		mode = os.FileMode(0755) | os.ModeDir
-		contentType = "inode/directory"
 	}
 	if !fullName {
 		// we have always Unix style paths here
@@ -38,7 +30,6 @@ func NewFileInfo(name string, isDirectory bool, sizeInBytes int64, modTime time.
 		sizeInBytes: sizeInBytes,
 		modTime:     modTime,
 		mode:        mode,
-		contentType: contentType,
 	}
 }
 
@@ -71,12 +62,3 @@ func (fi FileInfo) IsDir() bool {
 func (fi FileInfo) Sys() interface{} {
 	return fi.getFileInfoSys()
 }
-
-func (fi *FileInfo) setContentType(contenType string) {
-	fi.contentType = contenType
-}
-
-// GetContentType implements FileContentTyper interface
-func (fi FileInfo) GetContentType() string {
-	return fi.contentType
-}

vfs/gcsfs.go

@@ -27,7 +27,7 @@ import (
 )
 
 var (
-	gcsDefaultFieldsSelection = []string{"Name", "Size", "Deleted", "Updated", "ContentType"}
+	gcsDefaultFieldsSelection = []string{"Name", "Size", "Deleted", "Updated"}
 )
 
 // GCSFs is a Fs implementation for Google Cloud Storage.
@@ -121,9 +121,6 @@ func (fs GCSFs) Stat(name string) (os.FileInfo, error) {
 			if fs.isEqual(attrs.Name, name) {
 				isDir := strings.HasSuffix(attrs.Name, "/")
 				result = NewFileInfo(name, isDir, attrs.Size, attrs.Updated, false)
-				if !isDir {
-					result.setContentType(attrs.ContentType)
-				}
 				break
 			}
 		}
@@ -184,7 +181,7 @@ func (fs GCSFs) Create(name string, flag int) (*os.File, *PipeWriter, func(), er
 	objectWriter := obj.NewWriter(ctx)
 	contentType := mime.TypeByExtension(path.Ext(name))
 	if contentType != "" {
-	    objectWriter.ObjectAttrs.ContentType = contentType
+		objectWriter.ObjectAttrs.ContentType = contentType
 	}
 	if len(fs.config.StorageClass) > 0 {
 		objectWriter.ObjectAttrs.StorageClass = fs.config.StorageClass
@@ -359,9 +356,6 @@ func (fs GCSFs) ReadDir(dirname string) ([]os.FileInfo, error) {
 				continue
 			}
 			fi := NewFileInfo(name, isDir, attrs.Size, attrs.Updated, false)
-			if !isDir {
-				fi.setContentType(attrs.ContentType)
-			}
 			result = append(result, fi)
 		}
 	}
@@ -596,3 +590,17 @@ func (fs *GCSFs) getPrefixForStat(name string) string {
 	}
 	return prefix
 }
+
+// GetMimeType implements MimeTyper interface
+func (fs GCSFs) GetMimeType(name string) (string, error) {
+	ctx, cancelFn := context.WithDeadline(context.Background(), time.Now().Add(fs.ctxTimeout))
+	defer cancelFn()
+	bkt := fs.svc.Bucket(fs.config.Bucket)
+	obj := bkt.Object(name)
+	attrs, err := obj.Attrs(ctx)
+	if err != nil {
+		return "", err
+	}
+	logger.DebugToConsole("content type: %v", attrs.ContentType)
+	return attrs.ContentType, nil
+}

webdavd/file.go

@@ -57,15 +57,8 @@ type webDavFileInfo struct {
 
 // ContentType implements webdav.ContentTyper interface
 func (fi webDavFileInfo) ContentType(ctx context.Context) (string, error) {
-	var contentType string
-	if c, ok := fi.FileInfo.(vfs.FileContentTyper); ok {
-		contentType = c.GetContentType()
-	}
-	if len(contentType) > 0 {
-		return contentType, nil
-	}
-	contentType = mime.TypeByExtension(path.Ext(fi.file.GetVirtualPath()))
-	if len(contentType) > 0 {
+	contentType := mime.TypeByExtension(path.Ext(fi.file.GetVirtualPath()))
+	if contentType != "" {
 		return contentType, nil
 	}
 	if c, ok := fi.file.Fs.(vfs.MimeTyper); ok {

webdavd/internal_test.go

@@ -430,22 +430,12 @@ func TestContentType(t *testing.T) {
 	ctx := context.Background()
 	baseTransfer := common.NewBaseTransfer(nil, connection.BaseConnection, nil, testFilePath, testFile,
 		common.TransferDownload, 0, 0, 0, false, fs)
-	info := vfs.NewFileInfo(testFilePath, true, 0, time.Now(), false)
-	davFile := newWebDavFile(baseTransfer, nil, nil, info)
-	fi, err := davFile.Stat()
-	if assert.NoError(t, err) {
-		ctype, err := fi.(webDavFileInfo).ContentType(ctx)
-		assert.NoError(t, err)
-		assert.Equal(t, "inode/directory", ctype)
-	}
-	err = davFile.Close()
-	assert.NoError(t, err)
 	fs = newMockOsFs(nil, false, fs.ConnectionID(), user.GetHomeDir())
-	err = ioutil.WriteFile(testFilePath, []byte(""), os.ModePerm)
+	err := ioutil.WriteFile(testFilePath, []byte(""), os.ModePerm)
 	assert.NoError(t, err)
-	fi, err = os.Stat(testFilePath)
+	fi, err := os.Stat(testFilePath)
 	assert.NoError(t, err)
-	davFile = newWebDavFile(baseTransfer, nil, nil, fi)
+	davFile := newWebDavFile(baseTransfer, nil, nil, fi)
 	davFile.Fs = fs
 	fi, err = davFile.Stat()
 	if assert.NoError(t, err) {