Synnefo

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import json

from django.http import HttpResponseBadRequest

from django.utils.translation import ugettext as _

from django.contrib import messages

from django.template import RequestContext

from django.views.decorators.http import require_http_methods

from django.http import HttpResponseRedirect

from django.core.urlresolvers import reverse

from django.core.exceptions import ImproperlyConfigured

from django.shortcuts import get_object_or_404

from urlparse import urlunsplit, urlsplit

from astakos.im.util import prepare_response, get_context, login_url

from astakos.im.views import requires_anonymous, render_response, \

        requires_auth_provider

from astakos.im.settings import ENABLE_LOCAL_ACCOUNT_MIGRATION, BASEURL

from astakos.im.models import AstakosUser, PendingThirdPartyUser

from astakos.im.forms import LoginForm

from astakos.im.activation_backends import get_backend, SimpleBackend

from astakos.im import settings

from astakos.im import auth_providers

from astakos.im.target import add_pending_auth_provider, get_pending_key, \

    handle_third_party_signup, handle_third_party_login, init_third_party_session

import astakos.im.messages as astakos_messages

import logging

logger = logging.getLogger(__name__)

import oauth2 as oauth

import cgi

request_token_url      = 'https://api.linkedin.com/uas/oauth/requestToken?scope=r_basicprofile+r_emailaddress'

access_token_url       = 'https://api.linkedin.com/uas/oauth/accessToken'

authenticate_url       = 'https://www.linkedin.com/uas/oauth/authorize'

@requires_auth_provider('linkedin')

@require_http_methods(["GET", "POST"])

def login(request):

    init_third_party_session(request)

    resp, content = client.request(request_token_url, "GET")

    if resp['status'] != '200':

        messages.error(request, 'Invalid linkedin response')

        return HttpResponseRedirect(reverse('edit_profile'))

    request_token = dict(cgi.parse_qsl(content))

    request.session['request_token'] = request_token

    url = request_token.get('xoauth_request_auth_url') + "?oauth_token=%s" % request_token.get('oauth_token')

    if request.GET.get('key', None):

        request.session['pending_key'] = request.GET.get('key')

    if request.GET.get('next', None):

        request.session['next_url'] = request.GET.get('next')

    return HttpResponseRedirect(url)

@requires_auth_provider('linkedin', login=True)

@require_http_methods(["GET", "POST"])

def authenticated(

    request,

    template='im/third_party_check_local.html',

    extra_context={}

):

    consumer = oauth.Consumer(settings.LINKEDIN_TOKEN,

                              settings.LINKEDIN_SECRET)

    client = oauth.Client(consumer)

    if request.GET.get('denied'):

        return HttpResponseRedirect(reverse('edit_profile'))

    if not 'request_token' in request.session:

        messages.error(request, 'linkedin handshake failed')

        return HttpResponseRedirect(reverse('edit_profile'))

    token = oauth.Token(request.session['request_token']['oauth_token'],

        request.session['request_token']['oauth_token_secret'])

    token.set_verifier(request.GET.get('oauth_verifier'))

    client = oauth.Client(consumer, token)

    resp, content = client.request(access_token_url, "POST")

    if resp['status'] != '200':

        try:

            del request.session['request_token']

        except:

            pass

        messages.error(request, 'Invalid linkedin token response')

        return HttpResponseRedirect(reverse('edit_profile'))

    access_token = dict(cgi.parse_qsl(content))

    token = oauth.Token(access_token['oauth_token'],

        access_token['oauth_token_secret'])

    client = oauth.Client(consumer, token)

    resp, content = client.request("http://api.linkedin.com/v1/people/~:(id,first-name,last-name,industry,email-address)?format=json", "GET")

    if resp['status'] != '200':

        try:

            del request.session['request_token']

        except:

            pass

        messages.error(request, 'Invalid linkedin profile response')

        return HttpResponseRedirect(reverse('edit_profile'))

    profile_data = json.loads(content)

    userid = profile_data['id']

    username = profile_data.get('emailAddress', None)

    realname = profile_data.get('firstName', '') + ' ' + profile_data.get('lastName', '')

    provider_info = profile_data

    affiliation = 'LinkedIn.com'

    try:

        return handle_third_party_login(request, 'linkedin', userid,

                                        provider_info, affiliation)

    except AstakosUser.DoesNotExist, e:

        third_party_key = get_pending_key(request)

        user_info = {'affiliation': affiliation, 'realname': realname}

        return handle_third_party_signup(request, userid, 'linkedin',

                                         third_party_key,

                                         provider_info,

                                         user_info,

                                         template,

                                         extra_context)