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from django.utils.translation import ugettext as _
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from django.contrib import messages
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from django.utils.http import urlencode
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from django.contrib.auth import login as auth_login, authenticate
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from django.http import HttpResponse
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from django.contrib.auth import login as auth_login, authenticate, logout
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from django.http import HttpResponse, HttpResponseBadRequest
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from urllib import quote
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from urlparse import urlunsplit, urlsplit
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from urlparse import urlunsplit, urlsplit, urlparse, parse_qsl
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from astakos.im.settings import COOKIE_NAME, COOKIE_DOMAIN
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from astakos.im.util import set_cookie
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def login(request):
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"""
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If the request user is authenticated, redirects to `next` request parameter
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if exists, otherwise redirects to astakos index page displaying an error
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If there is no `next` request parameter redirects to astakos index page displaying an error
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message.
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If the request user is not authenticated, redirects to login in order to
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return back here after successful login.
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If the request user is authenticated, redirects to `next` request parameter.
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Otherwise, redirects to login in order to return back here after successful login.
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"""
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next = request.GET.get('next')
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if not next:
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return HttpResponseBadRequest(_('No next parameter'))
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force = request.GET.get('force', None)
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response = HttpResponse()
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if force == '':
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logout(request)
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response.delete_cookie(COOKIE_NAME, path='/', domain=COOKIE_DOMAIN)
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if request.user.is_authenticated():
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next = request.GET.get('next')
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renew = request.GET.get('renew', None)
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if next:
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response = HttpResponse()
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if renew == '':
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request.user.renew_token()
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request.user.save()
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# authenticate before login
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user = authenticate(email=request.user.email, auth_token=request.user.auth_token)
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auth_login(request, user)
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set_cookie(response, user)
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logger.info('Token reset for %s' % request.user.email)
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parts = list(urlsplit(next))
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parts[3] = urlencode({'user': request.user.email, 'token': request.user.auth_token})
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url = urlunsplit(parts)
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response['Location'] = url
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response.status_code = 302
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return response
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else:
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msg = _('No next parameter')
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messages.add_message(request, messages.ERROR, msg)
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url = reverse('astakos.im.views.index')
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return redirect(url)
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if renew == '':
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request.user.renew_token()
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request.user.save()
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# authenticate before login
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user = authenticate(email=request.user.email, auth_token=request.user.auth_token)
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auth_login(request, user)
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set_cookie(response, user)
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logger.info('Token reset for %s' % request.user.email)
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parts = list(urlsplit(next))
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parts[3] = urlencode({'user': request.user.email, 'token': request.user.auth_token})
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url = urlunsplit(parts)
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response['Location'] = url
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response.status_code = 302
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return response
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else:
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# redirect to login with self as next
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url = reverse('astakos.im.views.index')
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url = '%s?next=%s' % (url, quote(request.build_absolute_uri()))
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return redirect(url)
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# first build next parameter
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parts = list(urlsplit(request.build_absolute_uri()))
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params = dict(parse_qsl(parts[3], keep_blank_values=True))
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# delete force parameter
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if 'force' in params:
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del params['force']
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parts[3] = urlencode(params)
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next = urlunsplit(parts)
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# build url location
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parts[2] = reverse('astakos.im.views.index')
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params = {'next':next}
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parts[3] = urlencode(params)
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url = urlunsplit(parts)
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response['Location'] = url
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response.status_code = 302
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return response
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