gauth.py 文件源码

def generate_rsa_signature(http_request, consumer_key, rsa_key,
                           timestamp, nonce, version, next='oob',
                           token=None, token_secret=None, verifier=None):
  import base64
  try:
    from tlslite.utils import keyfactory
  except ImportError:
    from gdata.tlslite.utils import keyfactory
  base_string = build_oauth_base_string(
      http_request, consumer_key, nonce, RSA_SHA1, timestamp, version,
      next, token, verifier=verifier)
  private_key = keyfactory.parsePrivateKey(rsa_key)
  # Sign using the key
  signed = private_key.hashAndSign(base_string)
  # Python2.3 does not have base64.b64encode.
  if hasattr(base64, 'b64encode'):
    return base64.b64encode(signed)
  else:
    return base64.encodestring(signed).replace('\n', '')