def get(self, version, consumer_key, consumer_secret, token_key, token_secret):
if version not in self.VERSIONS:
raise HTTPError(400)
authorization = self.get_authorization()
if not authorization:
raise HTTPError(400)
self._check_timestamp(authorization.get('oauth_timestamp'))
if self._check_signature(authorization, consumer_secret):
self.finish(urlencode({
"oauth_token": token_key,
"oauth_token_secret": token_secret}))
def get(self, version, consumer_key, consumer_secret, tmp_token_key, tmp_token_secret,
verifier, token_key, token_secret):
if version not in self.VERSIONS:
raise HTTPError(400)
authorization = self.get_authorization()
self._check_timestamp(authorization.get('oauth_timestamp'))
if self._check_signature(authorization, str(consumer_secret), str(tmp_token_secret)):
# token and token_secret for protected sources
self.finish(urlencode({
"oauth_token": token_key,
"oauth_token_secret": token_secret}))
def normalize_parameters(url):
"""Normalize url parameters
The parameters collected in Section 3.4.1.3 are normalized into a
single string as follow: http://tools.ietf.org/html/rfc5849#section-3.4.1.3.2
"""
items = []
# Include any query string parameters from the provided URL
query = urlparse.urlparse(url)[4]
parameters = parse_qs(utf8(query), keep_blank_values=True)
for k, v in parameters.iteritems():
parameters[k] = unquote(v[0])
url_items = parameters.items()
url_items = [(utf8(k), utf8(v)) for k, v in url_items if k != 'oauth_signature']
items.extend(url_items)
items.sort()
encoded_str = urlencode(items)
# Encode signature parameters per Oauth Core 1.0 protocol
# spec draft 7, section 3.6
# (http://tools.ietf.org/html/draft-hammer-oauth-07#section-3.6)
# Spaces must be encoded with "%20" instead of "+"
return encoded_str.replace('+', '%20').replace('%7E', '~')
