diff options
Diffstat (limited to 'reader/subscription')
| -rw-r--r-- | reader/subscription/finder.go | 12 |
1 files changed, 11 insertions, 1 deletions
diff --git a/reader/subscription/finder.go b/reader/subscription/finder.go index 835991c..8e361b7 100644 --- a/reader/subscription/finder.go +++ b/reader/subscription/finder.go @@ -23,6 +23,7 @@ import ( var ( errConnectionFailure = "Unable to open this link: %v" errUnreadableDoc = "Unable to analyze this page: %v" + errEmptyBody = "This web page is empty" ) // FindSubscriptions downloads and try to find one or more subscriptions from an URL. @@ -35,13 +36,22 @@ func FindSubscriptions(websiteURL string) (Subscriptions, error) { return nil, errors.NewLocalizedError(errConnectionFailure, err) } + // Content-Length = -1 when no Content-Length header is sent + if response.ContentLength == 0 { + return nil, errors.NewLocalizedError(errEmptyBody) + } + body, err := response.NormalizeBodyEncoding() if err != nil { return nil, err } var buffer bytes.Buffer - io.Copy(&buffer, body) + size, _ := io.Copy(&buffer, body) + if size == 0 { + return nil, errors.NewLocalizedError(errEmptyBody) + } + reader := bytes.NewReader(buffer.Bytes()) if format := feed.DetectFeedFormat(reader); format != feed.FormatUnknown { |