def attachments_resize(req, path, webid, width, height):
attachment = Attachment(Attachment.web_to_id(webid))
last_modified = Attachment.last_modified(req, webid)
if last_modified is None: # file not found
raise SERVER_RETURN(state.HTTP_NOT_FOUND)
if 'If-Modified-Since' in req.headers_in: # check cache header
hdt = datetime.strptime(req.headers_in['If-Modified-Since'],
time_format)
if last_modified <= hdt:
req.headers_out.add_header('Last-Modified',
last_modified.strftime(time_format))
req.headers_out.add_header('Date',
datetime.utcnow().strftime(time_format))
raise SERVER_RETURN(state.HTTP_NOT_MODIFIED)
attachment.get(req) # check resize hash
if req.args.get('hash', '') != attachment.resize_hash("%dx%d" %
(width, height)):
raise SERVER_RETURN(state.HTTP_FORBIDDEN)
retval = attachment.resize(req, width, height)
if retval is None: # it is not image
raise SERVER_RETURN(state.HTTP_BAD_REQUEST)
req.content_type = attachment.mime_type
req.clength = len(retval)
req.headers_out.add_header('Last-Modified',
last_modified.strftime(time_format))
return retval
def attachments_download(req, path, webid):
attachment = Attachment(Attachment.web_to_id(webid))
attachment.get(req)
req.headers_out.add_header(
'Content-Disposition',
'attachment',
# filename=attachment.file_name.encode('ascii','xmlcharrefreplace'))
filename=attachment.file_name.encode('ascii', 'backslashreplace'))
return send_file(req, req.cfg.attachments_path + '/' + path + '/' + webid,
content_type=attachment.mime_type)
def attachments_normal(req, path, webid):
attachment = Attachment(Attachment.web_to_id(webid))
attachment.get(req)
return send_file(req, req.cfg.attachments_path + '/' + path + '/' + webid,
content_type=attachment.mime_type)