fix(mime): `mimeType` not assigned to new value when is empty

pkg/filemanager/driver/cos/cos.go

@@ -244,7 +244,7 @@ func (handler *Driver) Put(ctx context.Context, file *fs.UploadRequest) error {
 
 	mimeType := file.Props.MimeType
 	if mimeType == "" {
-		handler.mime.TypeByName(file.Props.Uri.Name())
+		mimeType = handler.mime.TypeByName(file.Props.Uri.Name())
 	}
 
 	// 是否允许覆盖
@@ -449,7 +449,7 @@ func (handler Driver) Token(ctx context.Context, uploadSession *fs.UploadSession
 
 	mimeType := file.Props.MimeType
 	if mimeType == "" {
-		handler.mime.TypeByName(file.Props.Uri.Name())
+		mimeType = handler.mime.TypeByName(file.Props.Uri.Name())
 	}
 
 	// 初始化分片上传

pkg/filemanager/driver/ks3/ks3.go

@@ -219,7 +219,7 @@ func (handler *Driver) Put(ctx context.Context, file *fs.UploadRequest) error {
 
 	mimeType := file.Props.MimeType
 	if mimeType == "" {
-		handler.mime.TypeByName(file.Props.Uri.Name())
+		mimeType = handler.mime.TypeByName(file.Props.Uri.Name())
 	}
 
 	_, err := uploader.UploadWithContext(ctx, &s3manager.UploadInput{
@@ -399,7 +399,7 @@ func (handler *Driver) Token(ctx context.Context, uploadSession *fs.UploadSessio
 
 	mimeType := file.Props.MimeType
 	if mimeType == "" {
-		handler.mime.TypeByName(file.Props.Uri.Name())
+		mimeType = handler.mime.TypeByName(file.Props.Uri.Name())
 	}
 
 	// 创建分片上传

pkg/filemanager/driver/oss/oss.go

@@ -240,7 +240,7 @@ func (handler *Driver) Put(ctx context.Context, file *fs.UploadRequest) error {
 
 	mimeType := file.Props.MimeType
 	if mimeType == "" {
-		handler.mime.TypeByName(file.Props.Uri.Name())
+		mimeType = handler.mime.TypeByName(file.Props.Uri.Name())
 	}
 
 	// 是否允许覆盖
@@ -450,7 +450,7 @@ func (handler *Driver) Token(ctx context.Context, uploadSession *fs.UploadSessio
 
 	mimeType := file.Props.MimeType
 	if mimeType == "" {
-		handler.mime.TypeByName(file.Props.Uri.Name())
+		mimeType = handler.mime.TypeByName(file.Props.Uri.Name())
 	}
 
 	// 初始化分片上传

pkg/filemanager/driver/qiniu/qiniu.go

@@ -223,7 +223,7 @@ func (handler *Driver) Put(ctx context.Context, file *fs.UploadRequest) error {
 
 	mimeType := file.Props.MimeType
 	if mimeType == "" {
-		handler.mime.TypeByName(file.Props.Uri.Name())
+		mimeType = handler.mime.TypeByName(file.Props.Uri.Name())
 	}
 
 	err = resumeUploader.CompleteParts(ctx, upToken, upHost, nil, handler.policy.BucketName,
@@ -389,7 +389,7 @@ func (handler *Driver) Token(ctx context.Context, uploadSession *fs.UploadSessio
 
 	mimeType := file.Props.MimeType
 	if mimeType == "" {
-		handler.mime.TypeByName(file.Props.Uri.Name())
+		mimeType = handler.mime.TypeByName(file.Props.Uri.Name())
 	}
 
 	uploadSession.UploadID = ret.UploadID

pkg/filemanager/driver/s3/s3.go

@@ -207,7 +207,7 @@ func (handler *Driver) Put(ctx context.Context, file *fs.UploadRequest) error {
 
 	mimeType := file.Props.MimeType
 	if mimeType == "" {
-		handler.mime.TypeByName(file.Props.Uri.Name())
+		mimeType = handler.mime.TypeByName(file.Props.Uri.Name())
 	}
 
 	_, err := uploader.UploadWithContext(ctx, &s3manager.UploadInput{
@@ -344,7 +344,7 @@ func (handler *Driver) Token(ctx context.Context, uploadSession *fs.UploadSessio
 
 	mimeType := file.Props.MimeType
 	if mimeType == "" {
-		handler.mime.TypeByName(file.Props.Uri.Name())
+		mimeType = handler.mime.TypeByName(file.Props.Uri.Name())
 	}
 
 	// 创建分片上传

pkg/filemanager/driver/upyun/upyun.go

@@ -161,7 +161,7 @@ func (handler *Driver) Put(ctx context.Context, file *fs.UploadRequest) error {
 
 	mimeType := file.Props.MimeType
 	if mimeType == "" {
-		handler.mime.TypeByName(file.Props.Uri.Name())
+		mimeType = handler.mime.TypeByName(file.Props.Uri.Name())
 	}
 
 	err := handler.up.Put(&upyun.PutObjectConfig{
@@ -309,7 +309,7 @@ func (handler *Driver) Token(ctx context.Context, uploadSession *fs.UploadSessio
 
 	mimeType := file.Props.MimeType
 	if mimeType == "" {
-		handler.mime.TypeByName(file.Props.Uri.Name())
+		mimeType = handler.mime.TypeByName(file.Props.Uri.Name())
 	}
 
 	return &fs.UploadCredential{