65 lines
3 KiB
Python
65 lines
3 KiB
Python
import hashlib
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import hmac
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import logging
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from email.utils import parseaddr
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from django.conf import settings
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from django.contrib.auth.models import User
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from django.contrib.sites.shortcuts import get_current_site
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from django.core.exceptions import PermissionDenied
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from django.http import HttpResponse
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from django.utils.decorators import method_decorator
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from django.views.decorators.csrf import csrf_exempt
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from django.views.generic import View
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from registration.models import RegistrationProfile
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from judge.utils.unicode import utf8bytes
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logger = logging.getLogger('judge.mail.activate')
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class MailgunActivationView(View):
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if hasattr(settings, 'MAILGUN_ACCESS_KEY'):
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def post(self, request, *args, **kwargs):
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params = request.POST
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timestamp = params.get('timestamp', '')
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token = params.get('token', '')
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signature = params.get('signature', '')
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logger.debug('Received request: %s', params)
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if signature != hmac.new(key=utf8bytes(settings.MAILGUN_ACCESS_KEY),
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msg=utf8bytes('%s%s' % (timestamp, token)), digestmod=hashlib.sha256).hexdigest():
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logger.info('Rejected request: signature: %s, timestamp: %s, token: %s', signature, timestamp, token)
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raise PermissionDenied()
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_, sender = parseaddr(params.get('from'))
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if not sender:
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logger.info('Rejected invalid sender: %s', params.get('from'))
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return HttpResponse(status=406)
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try:
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user = User.objects.get(email__iexact=sender)
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except (User.DoesNotExist, User.MultipleObjectsReturned):
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logger.info('Rejected unknown sender: %s: %s', sender, params.get('from'))
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return HttpResponse(status=406)
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try:
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registration = RegistrationProfile.objects.get(user=user)
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except RegistrationProfile.DoesNotExist:
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logger.info('Rejected sender without RegistrationProfile: %s: %s', sender, params.get('from'))
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return HttpResponse(status=406)
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if registration.activated:
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logger.info('Rejected activated sender: %s: %s', sender, params.get('from'))
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return HttpResponse(status=406)
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key = registration.activation_key
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if key in params.get('body-plain', '') or key in params.get('body-html', ''):
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if RegistrationProfile.objects.activate_user(key, get_current_site(request)):
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logger.info('Activated sender: %s: %s', sender, params.get('from'))
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return HttpResponse('Activated', status=200)
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logger.info('Failed to activate sender: %s: %s', sender, params.get('from'))
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else:
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logger.info('Activation key not found: %s: %s', sender, params.get('from'))
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return HttpResponse(status=406)
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@method_decorator(csrf_exempt)
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def dispatch(self, request, *args, **kwargs):
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return super(MailgunActivationView, self).dispatch(request, *args, **kwargs)
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