CouchPotatoServer/couchpotato/core/notifications/twitter/main.py

from couchpotato.api import addApiView
from couchpotato.core.helpers.request import jsonified, getParam
from couchpotato.core.helpers.variable import cleanHost
from couchpotato.core.logger import CPLog
from couchpotato.core.notifications.base import Notification
from flask.helpers import url_for
from pytwitter import Api, parse_qsl
from werkzeug.utils import redirect
import oauth2
import urllib

log = CPLog(__name__)


class Twitter(Notification):

    consumer_key = '3POVsO3KW90LKZXyzPOjQ'
    consumer_secret = 'Qprb94hx9ucXvD4Wvg2Ctsk4PDK7CcQAKgCELXoyIjE'

    request_token = None

    urls = {
        'request': 'https://api.twitter.com/oauth/request_token',
        'access': 'https://api.twitter.com/oauth/access_token',
        'authorize': 'https://api.twitter.com/oauth/authorize',
    }

    def __init__(self):
        super(Twitter, self).__init__()

        addApiView('notify.%s.auth_url' % self.getName().lower(), self.getAuthorizationUrl)
        addApiView('notify.%s.credentials' % self.getName().lower(), self.getCredentials)

    def notify(self, message = '', data = {}):
        if self.isDisabled(): return

        api = Api(self.consumer_key, self.consumer_secret, self.conf('access_token_key'), self.conf('access_token_secret'))

        mention = self.conf('mention')
        if mention:
            message = '%s @%s' % (message, mention.lstrip('@'))

        try:
            api.PostUpdate('[%s] %s' % (self.default_title, message))
        except Exception, e:
            log.error('Error sending tweet: %s' % e)
            return False

        return True

    def getAuthorizationUrl(self):

        referer = getParam('host')
        callback_url = cleanHost(referer) + '%snotify.%s.credentials/' % (url_for('api.index').lstrip('/'), self.getName().lower())

        oauth_consumer = oauth2.Consumer(self.consumer_key, self.consumer_secret)
        oauth_client = oauth2.Client(oauth_consumer)

        resp, content = oauth_client.request(self.urls['request'], 'POST', body = urllib.urlencode({'oauth_callback': callback_url}))

        if resp['status'] != '200':
            log.error('Invalid response from Twitter requesting temp token: %s' % resp['status'])
            return jsonified({
                'success': False,
            })
        else:
            self.request_token = dict(parse_qsl(content))

            auth_url = self.urls['authorize'] + ("?oauth_token=%s" % self.request_token['oauth_token'])

            log.info('Redirecting to "%s"' % auth_url)
            return jsonified({
                'success': True,
                'url': auth_url,
            })

    def getCredentials(self):

        key = getParam('oauth_verifier')

        token = oauth2.Token(self.request_token['oauth_token'], self.request_token['oauth_token_secret'])
        token.set_verifier(key)

        oauth_consumer = oauth2.Consumer(key = self.consumer_key, secret = self.consumer_secret)
        oauth_client = oauth2.Client(oauth_consumer, token)

        resp, content = oauth_client.request(self.urls['access'], method = 'POST', body = 'oauth_verifier=%s' % key)
        access_token = dict(parse_qsl(content))

        if resp['status'] != '200':
            log.error('The request for an access token did not succeed: %s' % resp['status'])
            return 'Twitter auth failed'
        else:
            log.debug('Tokens: %s, %s' % (access_token['oauth_token'], access_token['oauth_token_secret']))

            self.conf('access_token_key', value = access_token['oauth_token'])
            self.conf('access_token_secret', value = access_token['oauth_token_secret'])
            self.conf('screen_name', value = access_token['screen_name'])

            self.request_token = None

            return redirect(url_for('web.index') + 'settings/notifications/')