def start_auth(request, fail_redirect='/account/other_services/'):
consumer = OAuthConsumer(settings.TWITTER_CONSUMER_KEY, settings.TWITTER_CONSUMER_SECRET)
# Request the OAuth Token
req = OAuthRequest().from_consumer_and_token(consumer, http_url=TWITTER_REQUEST_TOKEN_URL,
parameters={}, http_method="POST")
req.sign_request(OAuthSignatureMethod_HMAC_SHA1(), consumer, None)
try:
res = urllib.urlopen(TWITTER_REQUEST_TOKEN_URL, req.to_postdata())
requestToken = OAuthToken.from_string(res.read())
# Authorise the OAuth Token
oauth_request = OAuthRequest().from_consumer_and_token(consumer, http_url=TWITTER_AUTHORIZE_URL,
parameters={}, http_method="GET", token=requestToken)
oauth_request.sign_request(OAuthSignatureMethod_HMAC_SHA1(), consumer, requestToken)
return HttpResponseRedirect(oauth_request.to_url())
except IOError:
request.user.message_set.create(
message=ugettext(u"Twitter authorization failed.")
)
return HttpResponseRedirect(fail_redirect)
def get_credentials_from_request(request):
token = OAuthToken(request.GET.get("oauth_token"), "")
consumer = OAuthConsumer(settings.TWITTER_CONSUMER_KEY, settings.TWITTER_CONSUMER_SECRET)
oauth_request = OAuthRequest().from_consumer_and_token(consumer, http_url=TWITTER_REQUEST_ACCESS_TOKEN_URL,
parameters={}, http_method="GET", token=token)
oauth_request.sign_request(OAuthSignatureMethod_HMAC_SHA1(), consumer, token)
try:
res = urllib.urlopen(TWITTER_REQUEST_ACCESS_TOKEN_URL, oauth_request.to_postdata())
accessToken = OAuthToken.from_string(res.read())
# verify the access token
verify_request = OAuthRequest().from_consumer_and_token(consumer, http_url=TWITTER_VERIFY_CREDENTIALS,
http_method="GET", token=accessToken)
verify_request.sign_request(OAuthSignatureMethod_HMAC_SHA1(), consumer, accessToken)
res = urllib.urlopen(verify_request.to_url())
json_response = simplejson.loads(res.read())
if json_response['screen_name']:
return accessToken
request.user.message_set.create(
message=ugettext(u"Twitter authorization failed.")
)
except IOError:
request.user.message_set.create(
message=ugettext(u"Twitter authorization failed.")
)
