utils.py 文件源码

def generate_docservice_url(request, doc_id, temporary=True, prefix=None):
    docservice_key = getattr(request.registry, 'docservice_key', None)
    parsed_url = urlparse(request.registry.docservice_url)
    query = {}
    if temporary:
        expires = int(ttime()) + 300  # EXPIRES
        mess = "{}\0{}".format(doc_id, expires)
        query['Expires'] = expires
    else:
        mess = doc_id
    if prefix:
        mess = '{}/{}'.format(prefix, mess)
        query['Prefix'] = prefix
    query['Signature'] = quote(b64encode(docservice_key.signature(mess.encode("utf-8"))))
    query['KeyID'] = docservice_key.hex_vk()[:8]
    return urlunsplit((parsed_url.scheme, parsed_url.netloc, '/get/{}'.format(doc_id), urlencode(query), ''))