// ParseMIME reads a MIME document from the provided reader and parses it into
// tree of MIMEPart objects.
func ParseMIME(reader *bufio.Reader) (MIMEPart, error) {
tr := textproto.NewReader(reader)
header, err := tr.ReadMIMEHeader()
if err != nil {
if !strings.HasPrefix(err.Error(), "malformed MIME header") {
return nil, err
}
}
mediatype, params, err := mime.ParseMediaType(header.Get("Content-Type"))
if err != nil && mime.IsOkPMTError(err) != nil {
return nil, err
}
root := &memMIMEPart{header: header, contentType: mediatype}
if strings.HasPrefix(mediatype, "multipart/") {
boundary := params["boundary"]
err = parseParts(root, reader, boundary)
if err != nil {
return nil, err
}
} else {
// Content is text or data, decode it
content, err := decodeSection(header.Get("Content-Transfer-Encoding"), reader)
if err != nil {
return nil, err
}
root.content = content
}
return root, nil
}
func (bp *Part) populateHeaders() error {
r := textproto.NewReader(bp.mr.bufReader)
header, err := r.ReadMIMEHeader()
bp.Header = header
return err
}