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Chad Whitacre 28cb48c72a Big changeover from id to username; #287
I sort of did this one with the blast shield down. I haven't even run
the tests yet. The sorts of things I changed:

 - SQL {elsewhere,exchanges}.participant_id => .participant
 - SQL participants.id => .username
 - ORM {user,participant,self}.id => .username
2013-04-05 15:48:59 -04:00

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"""Associate a Twitter account with a Gittip account.
First we do the OAuth dance with Twitter. Once we've authenticated the user
against Twitter, we record them in our elsewhere table. This table contains
information for Twitter users whether or not they are explicit participants in
the Gittip community.
"""
from urlparse import parse_qs
import requests
from oauth_hook import OAuthHook
from aspen import log, Response, json
from aspen import resources
from gittip.elsewhere import ACTIONS, twitter
from gittip.participant import NeedConfirmation
# ========================== ^L
if 'denied' in qs:
request.redirect('/')
token = qs['oauth_token']
try:
secret, action, then = website.oauth_cache.pop(token)
except KeyError:
request.redirect("/about/me.html")
oauth_hook = OAuthHook( token
, secret
, header_auth=True
, consumer_key=website.twitter_consumer_key
, consumer_secret=website.twitter_consumer_secret
)
response = requests.post( "https://api.twitter.com/oauth/access_token"
, data={"oauth_verifier": qs['oauth_verifier']}
, hooks={'pre_request': oauth_hook}
)
assert response.status_code == 200, response.status_code
reply = parse_qs(response.text)
token = reply['oauth_token'][0]
secret = reply['oauth_token_secret'][0]
user_id = reply['user_id'][0]
oauth_hook = OAuthHook(token, secret, header_auth=True)
response = requests.get( "https://api.twitter.com/1/users/show.json?user_id=%s" % user_id
, hooks={'pre_request': oauth_hook}
)
user_info = json.loads(response.text)
assert response.status_code == 200, response.status_code
# Load Twitter user info.
if action not in ACTIONS:
raise Response(400)
# Make sure we have a Twitter screen_name.
screen_name = user_info.get('screen_name')
if screen_name is None:
log(u"We got a user_info from Twitter with no screen_name [%s, %s]"
% (action, then))
raise Response(400)
user_info['html_url'] = "https://twitter.com/" + screen_name
# Do something.
log(u"%s wants to %s" % (screen_name, action))
account = twitter.TwitterAccount(user_info['id'], user_info)
if action == 'opt-in': # opt in
user = account.opt_in(screen_name) # set 'user' to give them a session :/
elif action == 'connect': # connect
if user.ANON:
raise Response(404)
try:
user.take_over(account)
except NeedConfirmation, obstacles:
# XXX Eep! Internal redirect! Really?!
request.internally_redirected_from = request.fs
request.fs = website.www_root + '/on/confirm.html'
request.resource = resources.get(request)
raise request.resource.respond(request)
else: # lock or unlock
if then != screen_name:
# The user could spoof `then' to match their screen_name, but the most
# they can do is lock/unlock their own Twitter account in a convoluted
# way.
then = u'/on/twitter/%s/lock-fail.html' % then
else:
# Associate the Twitter screen_name with a randomly-named, unclaimed
# Gittip participant.
assert account.participant != screen_name, screen_name # sanity check
account.set_is_locked(action == 'lock')
if then == u'':
then = u'/%s/' % account.participant
if not then.startswith(u'/'):
# Interpret it as a Twitter screen_name.
then = u'/on/twitter/%s/' % then
request.redirect(then)
# ========================== ^L text/plain