in atomresponder/media_atom.py [0:0]
def get_token(uri, secret, override_time=None):
from email.utils import formatdate
if override_time:
dt = override_time
else:
dt = datetime.now()
httpdate = formatdate(timeval=mktime(dt.timetuple()),localtime=False,usegmt=True)
url_parts = urlparse(uri)
string_to_sign = "{0}\n{1}".format(httpdate, url_parts.path)
logger.debug("string_to_sign: " + string_to_sign)
hm = hmac.new(secret.encode('UTF-8'), string_to_sign.encode('UTF-8'), hashlib.sha256)
return "HMAC {0}".format(base64.b64encode(hm.digest()).decode('UTF-8')), httpdate