def handler(self, username, xml_file, uuid, request):
retval = True # default to normal operation
try: # catch xml parsing errors
tree = etree.parse(xml_file)
root = tree.getroot()
form_name = root.tag
except:
retval = OpenRosaResponseBadRequest('Malformed xml received')
else:
for valdtr in self.dispatch: # see if this form has validation defined
match = valdtr.regex.match(form_name)
if match:
retval = valdtr.callback(form_name, root, request,
username, uuid)
break
finally:
xml_file.seek(0) # reset the file for the next caller
return retval # --> return True to continue normal processing,
def submission(request, username=None):
if username and username.lower() != 'crowdforms':
formlist_user = get_object_or_404(User, username=username.lower())
profile, created = \
UserProfile.objects.get_or_create(user=formlist_user)
if profile.require_auth:
authenticator = HttpDigestAuthenticator()
if not authenticator.authenticate(request):
return authenticator.build_challenge_response()
if request.method == 'HEAD':
response = OpenRosaResponse(status=204)
if username:
response['Location'] = request.build_absolute_uri().replace(
request.get_full_path(), '/%s/submission' % username)
else:
response['Location'] = request.build_absolute_uri().replace(
request.get_full_path(), '/submission')
return response
context = RequestContext(request)
xml_file_list = []
media_files = []
html_response = False
# request.FILES is a django.utils.datastructures.MultiValueDict
# for each key we have a list of values
try:
xml_file_list = request.FILES.pop("xml_submission_file", [])
if len(xml_file_list) != 1:
return OpenRosaResponseBadRequest(
_(u"There should be a single XML submission file."))
# save this XML file and media files as attachments
media_files = request.FILES.values()
# get uuid from post request
uuid = request.POST.get('uuid')
# response as html if posting with a UUID
if not username and uuid:
html_response = True
try:
instance = create_instance(username,
xml_file_list[0],
media_files,
uuid=uuid,
request=request)
except InstanceInvalidUserError:
return OpenRosaResponseBadRequest(_(u"Username or ID required."))
except IsNotCrowdformError:
return OpenRosaResponseNotAllowed(
_(u"Sorry but the crowd form you submitted to is closed."))
except InstanceEmptyError:
return OpenRosaResponseBadRequest(
_(u"Received empty submission. No instance was created"))
except FormInactiveError:
return OpenRosaResponseNotAllowed(_(u"Form is not active"))
except XForm.DoesNotExist:
return OpenRosaResponseNotFound(
_(u"Form does not exist on this account"))
except ExpatError:
return OpenRosaResponseBadRequest(_(u"Improperly formatted XML."))
except DuplicateInstance:
response = OpenRosaResponse(_(u"Duplicate submission"))
response.status_code = 202
response['Location'] = request.build_absolute_uri(request.path)
return response
except PermissionDenied, e:
return OpenRosaResponseNotAllowed(e.message)
except Exception, e:
raise
return OpenRosaResponseNotFound(
_(u"Form does not exist on this account"))
except ExpatError:
return OpenRosaResponseBadRequest(_(u"Improperly formatted XML."))
except DuplicateInstance:
response = OpenRosaResponse(_(u"Duplicate submission"))
response.status_code = 202
response['Location'] = request.build_absolute_uri(request.path)
return response
except PermissionDenied, e:
return OpenRosaResponseNotAllowed(e.message)
except Exception, e:
raise
if instance is None:
return OpenRosaResponseBadRequest(
_(u"Unable to create submission."))
audit = {"xform": instance.xform.id_string}
audit_log(
Actions.SUBMISSION_CREATED, request.user, instance.xform.user,
_("Created submission on form %(id_string)s.") %
{"id_string": instance.xform.id_string}, audit, request)
# ODK needs two things for a form to be considered successful
# 1) the status code needs to be 201 (created)
# 2) The location header needs to be set to the host it posted to
if html_response:
context.username = instance.user.username
context.id_string = instance.xform.id_string
context.domain = Site.objects.get(id=settings.SITE_ID).domain
response = render_to_response("submission.html",
context_instance=context)