def test_pretty_json(self):
        """ Test text dict or list is converted to pretty json(indent=4) """

        od = '{"format": ["application/xml+fhir","application/json+fhir"]}'
        response = pretty_json(od, indent=5)
        expected = '"{\\"format\\": [\\"application/xml+fhir\\",' '\\"application/json+fhir\\"]}"'

        self.assertEqual(response, expected)
Ejemplo n.º 2
0
    def test_pretty_json(self):
        """ Test text dict or list is converted to pretty json(indent=4) """

        od = '{"format": ["application/xml+fhir","application/json+fhir"]}'
        response = pretty_json(od, indent=5)
        expected = '"{\\"format\\": [\\"application/xml+fhir\\",' \
                   '\\"application/json+fhir\\"]}"'

        self.assertEqual(response, expected)
    def test_fetch(self, mock_requests):

        request = self.factory.get('http://someurl.com/test.text')
        mock_requests.get.return_value.status_code = 200
        mock_requests.get.return_value.text = CONFORMANCE
        mock_requests.get.return_value.json = pretty_json({"field": "My text "
                                                                    "is here"
                                                                    "!!!!"})

        resp = request_call(request,
                            "http://someurl.com/test.text")

        # print("\nResp.text:\n%s" % resp.text)
        # print("\nResp.json:\n%s" % resp.json)

        self.assertEqual(resp.text[:100],
                         CONFORMANCE[:100])
Ejemplo n.º 4
0
    def test_fetch(self, mock_requests):

        request = self.factory.get('http://someurl.com/test.text')
        mock_requests.get.return_value.status_code = 200
        mock_requests.get.return_value.text = CONFORMANCE
        mock_requests.get.return_value.json = pretty_json({"field": "My text "
                                                                    "is here"
                                                                    "!!!!"})

        resp = request_call(request,
                            "http://someurl.com/test.text",
                            cx=None)

        # print("\nResp.text:\n%s" % resp.text)
        # print("\nResp.json:\n%s" % resp.json)

        self.assertEqual(resp.text[:100],
                         CONFORMANCE[:100])
Ejemplo n.º 5
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    def test_fetch(self, mock_requests):

        # rr_id = self.resrtr.id
        # print("\nResRtr-testfetch:%s=%s\n" % (rr_id, self.resrtr))

        # rr = get_resourcerouter()
        # print("\nRR-testfetch:%s\n" % rr)

        request = self.factory.get('http://someurl.com/test.text')
        mock_requests.get.return_value.status_code = 200
        mock_requests.get.return_value.text = CONFORMANCE
        mock_requests.get.return_value.json = pretty_json(
            {"field": "My text "
             "is here"
             "!!!!"})

        resp = request_call(request, "http://someurl.com/test.text", cx=None)

        # print("\nResp.text:\n%s" % resp.text)
        # print("\nResp.json:\n%s" % resp.json)

        self.assertEqual(resp.text[:100], CONFORMANCE[:100])
Ejemplo n.º 6
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def convert_bb(request):
    """ Read bb_text from CrossWalk
        Convert to JSON (bb_to_json)
        Analyze JSON
        Get Claims
        Search for Claims
        Check for Unique Patient
        Get Unique Patient
        Store ID in Crosswalk

     """

    try:
        xwalk = Crosswalk.objects.get(user=request.user)
    except Crosswalk.DoesNotExist:
        xwalk = Crosswalk()
        xwalk.user = request.user
        # We may want to add the default FHIR Server to the crosswalk entry
        # before we save.
        # xwalk.fhir_source =
        xwalk.save()

    # Do we have Blue Button text to work with?
    bb_text = check_for_bb_text(xwalk.user)
    if not bb_text:
        return HttpResponseRedirect(reverse('home'))

    # Convert from text to JSON
    bb_result = bb_to_json(request, bb_text.bb_content)
    bb_json = bb_result['mmg_bbjson']
    # print("JSON:", bb_result['mmg_bbjson'])

    # Extract Claims from bb_json
    bb_claims = getbbclm(request, bb_result['mmg_bbjson'])
    # print("\nClaims:", bb_claims)

    fhir_claims = eval_claims(request, bb_claims)

    # Take bb_claims and get a unique list of patients
    # Hopefully we only have ONE
    bb_patient_ids = unique_keys(fhir_claims, key="patient")
    # print("Patient IDs:", bb_patient_ids)

    if len(bb_patient_ids) is 0:
        # We have a problem...
        # Too many or Too Few Patient IDs returned from Claims

        messages.error(request, "Unable to find a Patient Match")
    elif len(bb_patient_ids) > 1:
        messages.error(request, "Unable to match to a unique Patient ID")
    else:
        messages.info(request, "We found a match %s" % bb_patient_ids[0])
        if not xwalk.fhir_id:
            # We need the Id from Patient ID
            # It should be in format Patient/{ID}
            fhir_id = bb_patient_ids[0].split('/')
            if len(fhir_id) > 1:
                fhir_id_num = fhir_id[-1]
                xwalk.fhir_id = fhir_id_num
                mc_prof = {}
                if bb_json['result'] == "OK":
                    mc_prof['bb_json'] = bb_json['mmg_bbjson']

                    mc_prof['email'] = get_bbemail(request,
                                                   bb_json)
                    mc_prof['profile'] = get_bbprof(request,
                                                    bb_json)
                    # Extract claims from Blue Button JSON
                    mc_prof['claims'] = getbbclm(request,
                                                 bb_json)
                    return render(request,
                                  'eimm/bluebutton_analytics.html',
                                  {'content': bb_json,
                                   'profile': mc_prof,
                                   'profilep': pretty_json(mc_prof['profile']),
                                   'claimsp': pretty_json(mc_prof['claims'])
                                   })

    return HttpResponseRedirect(reverse('home'))
Ejemplo n.º 7
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def connect_first(request):
    """
    Prompt for MyMedicare.gov user and password
    Ask for confirmation to connect to MyMedicare.gov

    call connect with userid and password

    :param request:
    :return:
    """

    try:
        xwalk = Crosswalk.objects.get(user=request.user)
    except Crosswalk.DoesNotExist:
        xwalk = Crosswalk()
        xwalk.user = request.user
        # We may want to add the default FHIR Server to the crosswalk entry
        # before we save.
        # xwalk.fhir_source =
        xwalk.save()

    xwalk = Crosswalk.objects.get(user=request.user)

    form = Medicare_Connect()
    # logger.debug("In eimm.mym_login.connect_first:"
    #              "User:%s \nCrosswalk:%s" % (xwalk.user, xwalk))

    if request.POST:
        form = Medicare_Connect(request.POST)
        if form.is_valid():
            if form.cleaned_data['mmg_user'] and form.cleaned_data['mmg_pwd']:
                context = {}
                #  make the call
                # logger.debug("MAKING THE CALL with:",
                #              form.cleaned_data['mmg_user'],
                #              "and ", form.cleaned_data['mmg_pwd'])

                mmg = {}
                mmg['mmg_user'] = form.cleaned_data['mmg_user']
                mmg['mmg_pwd'] = form.cleaned_data['mmg_pwd']

                # see if the call works
                mmg = connect(request, mmg)

                if mmg['status'] == 'FAIL':
                    # we had a problem with login
                    messages.info(request,
                                  mark_safe("Do you need to connect to "
                                            "<a href='https://mymedicare.gov'"
                                            " target='_blank'>"
                                            "MyMedicare.gov</a> to check your"
                                            " account?"))
                    return render(request,
                                  'eimm/medicare_connect.html',
                                  {'form': form})

                # Now we go and get the BlueButton Text file
                mmg_bb = get_bluebutton(request, mmg)

                # mmg_mail = {}
                # logger.debug("Blue Button returned:", mmg_bb)

                mc_prof = {}
                if mmg_bb['status'] == "OK":
                    pretty_name = pretty_json(split_name(mmg['mmg_name']))
                    mc_prof['user'] = mmg['mmg_user']
                    mc_prof['password'] = mmg['mmg_pwd']
                    mc_prof['name'] = mmg['mmg_name']
                    mc_prof['HumanName'] = pretty_name
                    mc_prof['account'] = mmg['mmg_account']
                    # need to check what is returned in mmg_account.

                    messages.success(request,
                                     "Connection succeeded for " +
                                     mc_prof['name'] + "[" +
                                     mc_prof['user'] + "].")

                    # Update the Medicare user name to the Crosswalk
                    if xwalk.mb_user == '':
                        xwalk.mb_user = mc_prof['user']

                    if mmg_bb['status'] == "OK":
                        # We need to save the Blue Button Text
                        # print("We are okay to update mmg_bbdata",
                        #      "\n with ", mmg_bb['mmg_bbdata'][:250])
                        mc_prof['bb_data'] = mmg_bb['mmg_bbdata']

                        # Save the Blue Button text to the Crosswalk
                        # TODO: Save to BlueButtonText
                        write_bb_text = bb_update_or_create(xwalk.user,
                                                            mmg_bb['mmg_bbdata'])
                        # xwalk.bb_text = mmg_bb['mmg_bbdata']

                        if write_bb_text:
                            bb_text = mmg_bb['mmg_bbdata']
                        else:
                            bb_text = '{}'

                        # Convert the text to JSON
                        result = bb_to_json(request,
                                            bb_text)

                        # logger.debug("BB Conversion:", result)
                        if result['result'] == "OK":
                            mc_prof['bb_json'] = result['mmg_bbjson']

                            mc_prof['email'] = get_bbemail(request,
                                                           mc_prof['bb_json'])
                            mc_prof['profile'] = get_bbprof(request,
                                                            mc_prof['bb_json'])
                            # Extract claims from Blue Button JSON
                            mc_prof['claims'] = getbbclm(request,
                                                         mc_prof['bb_json'])

                            # logger.debug("returned json from xwalk:", result)

                        #     for key, value in xwalk.mmg_bbjson.items():
                        #         # print("Key:", key)
                        #         if key == "patient":
                        #             for k, v in value.items():
                        #                 # print("K:", k, "| v:", v)
                        #                 if k == "email":
                        #                     xwalk.mmg_email = v
                        # if not xwalk.mmg_bbfhir:
                        #     if result['result'] == "OK":
                        #         outcome = json_to_eob(request)
                        #         if outcome['result'] == "OK":
                        #             xwalk.mmg_bbfhir = True

                    # if mmg_mail['status'] == "OK":
                    #     xwalk.mmg_email = mmg_mail['mmg_email']

                    # Save the Crosswalk changes
                    xwalk.save()

                    context['mmg'] = mmg

                return render(request,
                              'eimm/bluebutton_analytics.html',
                              {'content': context,
                               'profile': mc_prof,
                               'profilep': pretty_json(mc_prof['profile']),
                               'claimsp': pretty_json(mc_prof['claims'])
                               })

    else:
        form = Medicare_Connect()

        # logger.debug("setting up the GET:")

    return render(request,
                  'eimm/medicare_connect.html',
                  {'form': form})
Ejemplo n.º 8
0
def generic_read(request,
                 interaction_type,
                 resource_type,
                 id=None,
                 vid=None,
                 *args,
                 **kwargs):
    """
    Read from remote FHIR Server

    :param request:
    :param interaction_type:
    :param resource_type:
    :param id:
    :param vid:
    :param args:
    :param kwargs:
    :return:

    # Example client use in curl:
    # curl  -X GET http://127.0.0.1:8000/fhir/Practitioner/1234

    Process flow:

    Is it a valid request?

    Get the target server info

    Get the request modifiers

    Construct the call

    Make the call

    Check result for errors

    Deliver the formatted result


    """
    # DONE: Fix to allow url_id in url for non-key resources.
    # eg. Patient is key resource so replace url if override_url_id is True
    # if override_url_id is not set allow url_id to be applied and check
    # if search_override is True.
    # interaction_type = 'read' or '_history' or 'vread' or 'search'
    logger.debug('\n========================\n'
                 'INTERACTION_TYPE: %s' % interaction_type)

    # Get the users crosswalk
    cx = get_crosswalk(request.user)

    # cx will be the crosswalk record or None
    rr = get_resourcerouter(cx)

    # Check if this interaction type and resource type combo is allowed.
    deny = check_access_interaction_and_resource_type(resource_type,
                                                      interaction_type, rr)
    if deny:
        # if not allowed, return a 4xx error.
        return deny

    srtc = check_rt_controls(resource_type, rr)
    # We get back a Supported ResourceType Control record or None
    # with earlier if deny step we should have a valid srtc.

    if srtc.secure_access and request.user.is_anonymous():
        return kickout_403('Error 403: %s Resource access is controlled.'
                           ' Login is required:'
                           '%s' % (resource_type, request.user.is_anonymous()))
    # logger.debug('srtc: %s' % srtc)

    if cx is None:
        logger.debug('Crosswalk for %s does not exist' % request.user)

    if (cx is None and srtc is not None):
        # There is a srtc record so we need to check override_search
        if srtc.override_search:
            # If user is not in Crosswalk and srtc has search_override = True
            # We need to prevent search to avoid data leakage.
            return kickout_403('Error 403: %s Resource is access controlled.'
                               ' No records are linked to user:'******'%s' % (resource_type, request.user))

    # Need to check if user is logged in.
    # request.user.is_anonymous()
    #
    # if request.user.is_anonymous():

    # Request.user = user
    # interaction_type = read | _history | vread
    # resource_type = 'Patient | Practitioner | ExplanationOfBenefit ...'
    # id = fhir_id (potentially masked)
    # vid = Version Id

    # Check the resource_type to see if it has a url
    # Check the resource_type to see if masking is required
    # Get the FHIR_Server (from crosswalk via request.user)
    # if masked get the fhir_id from crosswalk
    # if search_override strip search items (search_block)
    # if search_override add search keys

    fhir_url = ''
    # change source of default_url to ResourceRouter

    default_path = get_default_path(srtc.resource_name, cx=cx)
    # get the default path for resource with ending "/"
    # You need to add resource_type + "/" for full url

    if srtc:
        # logger.debug('SRTC:%s' % srtc)

        fhir_url = default_path + resource_type + '/'

        if srtc.override_url_id:
            fhir_url += cx.fhir_id + "/"

        # logger.debug('fhir_url:%s' % fhir_url)
    else:
        logger.debug('CX:%s' % cx)
        if cx:
            fhir_url = cx.get_fhir_resource_url(resource_type)
        else:
            # logger.debug('FHIRServer:%s' % FhirServerUrl())
            fhir_url = FhirServerUrl() + resource_type + '/'

    # #### SEARCH

    if interaction_type == 'search':
        key = None
    else:
        key = masked_id(resource_type, cx, srtc, id, slash=False)

        print("\nMasked_id-key:%s from r_id:%s "
              "and cx-fhir_id:%s\n" % (key, id, cx.fhir_id))

        # add key to fhir_url unless already in place.
        fhir_url = add_key_to_fhir_url(fhir_url, key)

    logger.debug('FHIR URL with key:%s' % fhir_url)

    ###########################

    # Now we get to process the API Call.

    # Internal handling format is json
    # Remove the oauth elements from the GET
    pass_params = strip_oauth(request.GET)

    # Let's store the inbound requested format
    # We need to simplify the format call to the backend
    # so that we get data we can manipulate
    requested_format = request_format(pass_params)

    # now we simplify the format/_format request for the back-end
    pass_params = strip_format_for_back_end(pass_params)
    if "_format" in pass_params:
        back_end_format = pass_params['_format']
    else:
        back_end_format = "json"

    # #### SEARCH

    if interaction_type == 'search':
        if cx is not None:
            # logger.debug("cx.fhir_id=%s" % cx.fhir_id)
            if cx.fhir_id.__contains__('/'):
                id = cx.fhir_id.split('/')[1]
            else:
                id = cx.fhir_id
            # logger.debug("Patient Id:%s" % r_id)

    if resource_type.lower() == "patient":
        key = cx.fhir_id
    else:
        key = id

    pass_params = build_params(pass_params, srtc, key, patient_id=cx.fhir_id)

    # Add the call type ( READ = nothing, VREAD, _HISTORY)
    # Before we add an identifier key
    pass_to = fhir_call_type(interaction_type, fhir_url, vid)

    logger.debug('\nHere is the URL to send, %s now add '
                 'GET parameters %s' % (pass_to, pass_params))

    if pass_params is not '':
        pass_to += pass_params

    logger.debug("\nMaking request:%s" % pass_to)

    ###############################################
    ###############################################
    # Now make the call to the backend API

    if interaction_type == "search":
        r = request_call(request,
                         pass_to,
                         cx,
                         reverse_lazy('home'),
                         timeout=settings.REQUEST_CALL_TIMEOUT)
    else:
        r = request_call(request, pass_to, cx, reverse_lazy('home'))

    # BACK FROM THE CALL TO BACKEND
    ###############################################
    ###############################################

    # logger.debug("r returned: %s" % r)

    # Check for Error here
    try:
        error_check = r.text
        logger.debug("We got r.text back:%s" % r.text[:200] + "...")
    except:
        error_check = "HttpResponse status_code=502"
        logger.debug("Something went wrong with call to %s" % pass_to)
    logger.debug("Checking for errors:%s" % error_check[:200] + "...")
    if 'status_code' in error_check:
        # logger.debug("We have a status code to check: %s" % r)
        if r.status_code in ERROR_CODE_LIST:
            logger.debug("\nError Status Code:%s" % r.status_code)
            return error_status(r, r.status_code)
    elif 'status_code=302' in error_check:
        return error_status(r, 302)
    elif 'status_code=502' in error_check:
        return error_status(r, 502)
    else:
        logger.debug("Status Code:%s " "in:%s" % (r.status_code, r))

    # We should have a 200 - good record to deal with
    # We can occasionaly get a 200 with a Connection Error. eg. Timeout
    try:
        if "ConnectionError" in r.text:
            logger.debug("Error:%s" % r.text)
            return error_status(r, 502)
    except:
        pass

    text_out = ''
    # if 'text' in r:
    #     logger.debug('r:%s' % r.text)
    #     logger_debug.debug('r:%s' % r.text)
    # else:
    #     logger.debug("r not returning text:%s" % r)
    #     logger_debug.debug("r not returning text:%s" % r)
    #     logger.debug("r.json: %s" % json.dumps(r.json))

    # logger.debug('Rewrite List:%s' % rewrite_url_list)

    host_path = get_host_url(request, resource_type)[:-1]
    # logger.debug('host path:%s' % host_path)

    # Add default FHIR Server URL to re-write
    rewrite_url_list = build_rewrite_list(cx)
    # print("Starting Rewrite_list:%s" % rewrite_url_list)

    # ct_detail = get_content_type(r)
    # logger.debug('Content-Type:%s \n work with %s' % (ct_detail,
    #                                                   back_end_format))

    try:
        text_in = r.text
    except:
        text_in = ""

    text_out = post_process_request(request, back_end_format, host_path,
                                    text_in, rewrite_url_list)

    od = build_output_dict(request, OrderedDict(), resource_type, key, vid,
                           interaction_type, requested_format, text_out)

    # write session variables if _getpages was found
    ikey = ''
    try:
        ikey = find_ikey(r.text)
    except:
        ikey = ''

    if ikey is not '':

        save_url = get_target_url(fhir_url, resource_type)
        # print("Store fhir_url:%s but only: %s" % (fhir_url,save_url))
        content = {
            'fhir_to': save_url,
            'rwrt_list': rewrite_url_list,
            'res_type': resource_type,
            'intn_type': interaction_type,
            'key': key,
            'vid': vid,
            'resource_router': rr.id
        }
        sesn_var = write_session(request, ikey, content, skey=SESSION_KEY)
        if sesn_var:
            logger.debug("Problem writing session variables."
                         " Returned %s" % sesn_var)
    if requested_format == 'xml':
        # logger.debug('We got xml back in od')
        return HttpResponse(r.text,
                            content_type='application/%s' % requested_format)
        # return HttpResponse(tostring(dict_to_xml('content', od)),
        #                     content_type='application/%s' % requested_format)

    elif requested_format == 'json':
        # logger.debug('We got json back in od')
        return HttpResponse(pretty_json(od['bundle']),
                            content_type='application/%s' % requested_format)

    query_string = build_querystring(request.GET.copy())
    if "xml" in requested_format:
        # logger.debug("Sending text_out for display: %s" % text_out[0:100])
        div_text = get_div_from_xml(text_out)
        # print("DIV TEXT returned:[%s]%s" % (type(div_text), div_text))
        return render(
            request, 'bluebutton/default_xml.html', {
                'output': text_out,
                'content': {
                    'parameters': query_string,
                    'resource_type': resource_type,
                    'request_method': "GET",
                    'interaction_type': interaction_type,
                    'div_texts': [
                        div_text,
                    ],
                    'source': cx.fhir_source.name
                }
            })

    else:
        text_out = pretty_json(od['bundle'])
        div_text = get_div_from_json(od['bundle'])

    # logger.debug('We got a different format:%s' % requested_format)
    return render(
        request, 'bluebutton/default.html', {
            'output': text_out,
            'content': {
                'parameters': query_string,
                'resource_type': resource_type,
                'request_method': "GET",
                'interaction_type': interaction_type,
                'div_texts': div_text,
                'source': cx.fhir_source.name
            }
        })
Ejemplo n.º 9
0
def generic_read(request,
                 interaction_type,
                 resource_type,
                 id=None,
                 via_oauth=False,
                 vid=None,
                 *args,
                 **kwargs):
    """
    Read from remote FHIR Server

    :param request:
    :param interaction_type:
    :param resource_type:
    :param id:
    :param vid:
    :param args:
    :param kwargs:
    :return:

    # Example client use in curl:
    # curl  -X GET http://127.0.0.1:8000/fhir/Practitioner/1234

    Process flow:

    Is it a valid request?

    Get the target server info

    Get the request modifiers
    - change url_id
    - remove unwanted search parameters
    - add search parameters

    Construct the call

    Make the call

    Check result for errors

    Deliver the formatted result


    """
    # DONE: Fix to allow url_id in url for non-key resources.
    # eg. Patient is key resource so replace url if override_url_id is True
    # if override_url_id is not set allow id to be applied and check
    # if search_override is True.
    # interaction_type = 'read' or '_history' or 'vread' or 'search'
    logger.debug('\n========================\n'
                 'INTERACTION_TYPE: %s - Via Oauth:%s' %
                 (interaction_type, via_oauth))

    # if via_oauth we need to call crosswalk with
    if via_oauth:
        # get crosswalk from the resource_owner
        cx = get_crosswalk(request.resource_owner)
    else:
        # Get the users crosswalk
        cx = get_crosswalk(request.user)

    # cx will be the crosswalk record or None
    rr = get_resourcerouter(cx)

    # Check if this interaction type and resource type combo is allowed.
    deny = check_access_interaction_and_resource_type(resource_type,
                                                      interaction_type, rr)
    if deny:
        # if not allowed, return a 4xx error.
        return deny

    srtc = check_rt_controls(resource_type, rr)
    # We get back a Supported ResourceType Control record or None
    # with earlier if deny step we should have a valid srtc.

    if not via_oauth:
        # we don't need to check if user is anonymous if coming via_oauth
        if srtc.secure_access and request.user.is_anonymous():
            return kickout_403('Error 403: %s Resource access is controlled.'
                               ' Login is required:'
                               '%s' %
                               (resource_type, request.user.is_anonymous()))
        # logger.debug('srtc: %s' % srtc)

    if cx is None:
        logger.debug('Crosswalk for %s does not exist' % request.user)

    if (cx is None and srtc is not None):
        # There is a srtc record so we need to check override_search
        if srtc.override_search:
            # If user is not in Crosswalk and srtc has search_override = True
            # We need to prevent search to avoid data leakage.
            return kickout_403('Error 403: %s Resource is access controlled.'
                               ' No records are linked to user:'******'%s' % (resource_type, request.user))

    # TODO: Compare id to cx.fhir_id and return 403 if they don't match for
    # Resource Type - Patient
    fhir_url = ''
    # change source of default_url to ResourceRouter

    default_path = get_default_path(srtc.resource_name, cx=cx)
    # get the default path for resource with ending "/"
    # You need to add resource_type + "/" for full url

    if srtc:
        # logger.debug('SRTC:%s' % srtc)

        fhir_url = default_path + resource_type + '/'

        if srtc.override_url_id:
            fhir_url += get_fhir_id(cx) + "/"

        # logger.debug('fhir_url:%s' % fhir_url)
        else:
            fhir_url += id + "/"

    else:
        logger.debug('CX:%s' % cx)
        if cx:
            fhir_url = cx.get_fhir_resource_url(resource_type)
        else:
            # logger.debug('FHIRServer:%s' % FhirServerUrl())
            fhir_url = FhirServerUrl() + resource_type + '/'

    # #### SEARCH

    if interaction_type == 'search':
        key = None
    else:
        key = masked_id(resource_type, cx, srtc, id, slash=False)

        # print("\nMasked_id-key:%s from r_id:%s "
        #       "and cx-fhir_id:%s\n" % (key, id, cx.fhir_id))

        # add key to fhir_url unless already in place.
        fhir_url = add_key_to_fhir_url(fhir_url, key)

    logger.debug('FHIR URL with key:%s' % fhir_url)

    ###########################

    # Now we get to process the API Call.

    # Internal handling format is json
    # Remove the oauth elements from the GET

    pass_params = request.GET

    # Let's store the inbound requested format
    # We need to simplify the format call to the backend
    # so that we get data we can manipulate

    # if format is not defined and we come in via_oauth
    # then default to json for format
    requested_format = request_format(pass_params)
    if requested_format == "html" and via_oauth:
        requested_format = "json"

    # now we simplify the format/_format request for the back-end
    pass_params = strip_format_for_back_end(pass_params)
    if "_format" in pass_params:
        back_end_format = pass_params['_format']
    else:
        back_end_format = "json"

    # #### SEARCH

    if interaction_type == 'search':
        if cx is not None:
            # logger.debug("cx.fhir_id=%s" % cx.fhir_id)
            if cx.fhir_id.__contains__('/'):
                id = get_fhir_id(cx).split('/')[1]
            else:
                id = get_fhir_id(cx)
            # logger.debug("Patient Id:%s" % r_id)

    if resource_type.lower() == "patient":
        key = get_fhir_id(cx)
    else:
        key = id

    pass_params = build_params(pass_params,
                               srtc,
                               key,
                               patient_id=get_fhir_id(cx))

    # Add the call type ( READ = nothing, VREAD, _HISTORY)
    # Before we add an identifier key
    pass_to = fhir_call_type(interaction_type, fhir_url, vid)

    logger.debug('\nHere is the URL to send, %s now add '
                 'GET parameters %s' % (pass_to, pass_params))

    if pass_params is not '':
        pass_to += pass_params

    logger.debug("\nMaking request:%s" % pass_to)
    query_string = build_querystring(request.GET.copy())

    ###############################################
    ###############################################
    # Now make the call to the backend API

    if interaction_type == "search":
        r = request_call(request,
                         pass_to,
                         cx,
                         reverse_lazy('home'),
                         timeout=rr.wait_time)
    else:
        r = request_call(request, pass_to, cx, reverse_lazy('home'))

    # BACK FROM THE CALL TO BACKEND
    ###############################################
    ###############################################

    # logger.debug("r returned: %s" % r)

    # Check for Error here
    # logger.debug("what is in r:\n#######\n%s\n##########\n" % dir(r))
    logger.debug("status: %s/%s" % (r.status_code, r._status_code))
    # logger.debug("text: %s\n#############\n" % (r.text))

    if r.status_code in ERROR_CODE_LIST:
        logger.debug("We have an error code to deal with: %s" % r.status_code)
        if 'html' in requested_format.lower():
            return render(
                request, 'bluebutton/default.html', {
                    'output': pretty_json(r._content, indent=4),
                    'fhir_id': get_fhir_id(cx),
                    'content': {
                        'parameters': query_string,
                        'resource_type': resource_type,
                        'id': id,
                        'request_method': "GET",
                        'interaction_type': interaction_type,
                        'div_texts': "",
                        'source': get_fhir_source_name(cx)
                    }
                })
        else:
            return HttpResponse(json.dumps(r._content, indent=4),
                                status=r.status_code,
                                content_type='application/json')

    text_out = ''
    host_path = get_host_url(request, resource_type)[:-1]
    # logger.debug('host path:%s' % host_path)

    # Add default FHIR Server URL to re-write
    rewrite_url_list = build_rewrite_list(cx)
    # print("Starting Rewrite_list:%s" % rewrite_url_list)

    # ct_detail = get_content_type(r)
    # logger.debug('Content-Type:%s \n work with %s' % (ct_detail,
    #                                                   back_end_format))

    text_in = get_response_text(fhir_response=r)

    text_out = post_process_request(request, back_end_format, host_path,
                                    text_in, rewrite_url_list)

    od = build_output_dict(request, OrderedDict(), resource_type, key, vid,
                           interaction_type, requested_format, text_out)

    # write session variables if _getpages was found
    ikey = ''
    try:
        ikey = find_ikey(r.text)
    except Exception:
        ikey = ''

    if ikey is not '':

        save_url = get_target_url(fhir_url, resource_type)
        # print("Store fhir_url:%s but only: %s" % (fhir_url,save_url))
        content = {
            'fhir_to': save_url,
            'rwrt_list': rewrite_url_list,
            'res_type': resource_type,
            'intn_type': interaction_type,
            'key': key,
            'vid': vid,
            'resource_router': rr.id
        }
        sesn_var = write_session(request, ikey, content, skey=SESSION_KEY)
        if sesn_var:
            logger.debug("Problem writing session variables."
                         " Returned %s" % sesn_var)
    if requested_format == 'xml':
        # logger.debug('We got xml back in od')
        return HttpResponse(r.text,
                            content_type='application/%s' % requested_format)
        # return HttpResponse(tostring(dict_to_xml('content', od)),
        #                     content_type='application/%s' % requested_format)

    elif requested_format == 'json':
        # logger.debug('We got json back in od')
        return HttpResponse(pretty_json(od['bundle']),
                            content_type='application/%s' % requested_format)

    # define query string further up before request_call
    # query_string = build_querystring(request.GET.copy())
    if "xml" in requested_format:
        # logger.debug("Sending text_out for display: %s" % text_out[0:100])
        div_text = get_div_from_xml(text_out)
        # print("DIV TEXT returned:[%s]%s" % (type(div_text), div_text))
        return render(
            request, 'bluebutton/default_xml.html', {
                'output': text_out,
                'fhir_id': get_fhir_id(cx),
                'content': {
                    'parameters': query_string,
                    'resource_type': resource_type,
                    'id': id,
                    'request_method': "GET",
                    'interaction_type': interaction_type,
                    'div_texts': [
                        div_text,
                    ],
                    'source': get_fhir_source_name(cx)
                }
            })

    else:
        text_out = pretty_json(od['bundle'])
        div_text = get_div_from_json(od['bundle'])

    # logger.debug('We got a different format:%s' % requested_format)
    logger.debug('id or key: %s/%s' % (id, key))

    return render(
        request, 'bluebutton/default.html', {
            'output': text_out,
            'fhir_id': cx.fhir_id,
            'content': {
                'parameters': query_string,
                'resource_type': resource_type,
                'id': id,
                'request_method': "GET",
                'interaction_type': interaction_type,
                'div_texts': div_text,
                'source': get_fhir_source_name(cx)
            }
        })
Ejemplo n.º 10
0
def metadata(request, via_oauth=False, *args, **kwargs):
    """
    Arrive here to do capabilityStatement or Conformance
    aka metadata

    oauth_fhir_conformance sets via_oauth=True
    fhir_conformance sets via_oauth=False

    :param request:
    :param via_oauth:
    :param args:
    :param kwargs:
    :return:
    """
    cx = None
    rr = get_resourcerouter()
    call_to = FhirServerUrl()

    resource_type = conformance_or_capability(call_to)

    if call_to.endswith('/'):
        call_to += 'metadata'
    else:
        call_to += '/metadata'

    pass_params = request.GET
    # pass_params should be an OrderedDict after strip_auth
    # logger.debug("result from strip_oauth:%s" % pass_params)

    # Let's store the inbound requested format
    # We need to simplify the format call to the backend
    # so that we get data we can manipulate
    requested_format = request_format(pass_params)

    # now we simplify the format/_format request for the back-end
    pass_params = strip_format_for_back_end(pass_params)
    back_end_format = pass_params['_format']

    encoded_params = urlencode(pass_params)
    #
    # Add ? to front of parameters if needed
    pass_params = prepend_q(encoded_params)

    # logger.debug("Calling:%s" % call_to + pass_params)

    query_string = build_querystring(request.GET.copy())

    ####################################################
    ####################################################

    r = request_call(request,
                     call_to + pass_params,
                     cx,
                     reverse_lazy('authenticated_home'))

    ####################################################
    ####################################################

    text_out = ''
    host_path = get_host_url(request, '?')

    if r.status_code in ERROR_CODE_LIST:
        logger.debug("We have an error code to deal with: %s" % r.status_code)
        if 'html' in requested_format.lower():
            return render(
                request,
                'bluebutton/default.html',
                {'output': pretty_json(r._content, indent=4),
                 'fhir_id': get_fhir_id(cx),
                 'content': {'parameters': query_string,
                             'resource_type': resource_type,
                             'id': id,
                             'request_method': "GET",
                             'interaction_type': "search",
                             'div_texts': "",
                             'source': get_fhir_source_name(cx)}})
        else:
            return HttpResponse(json.dumps(r._content, indent=4),
                                status=r.status_code,
                                content_type='application/json')

    # get 'xml' 'json' or ''
    # fmt = get_search_param_format(request.META['QUERY_STRING'])
    # force to json

    # logger.debug("Format:%s" % back_end_format)

    rewrite_url_list = build_rewrite_list(cx)
    # print("Starting Rewrite_list:%s" % rewrite_url_list)

    text_in = get_response_text(fhir_response=r)
    # print("Capability text: %s\n" % r.text)
    # print("Capability _text: %s\n" % r._text)

    # text_in = r.text
    # if text_in == "":
    #     print("Capability assigning _text: %s\n" % r._text[:100])
    #
    #     text_in = r._text

    text_out = post_process_request(request,
                                    back_end_format,
                                    host_path,
                                    text_in,
                                    rewrite_url_list)
    # define query string further up before request_call
    # query_string = build_querystring(request.GET.copy())

    # logger.debug("Query:%s" % query_string)

    if 'xml' in requested_format:
        # logger.debug('We got xml back in od')

        # logger.debug("is xml filtered?%s" % requested_format)
        xml_dom = xml_to_dom(text_out)

        text_out = dom_conformance_filter(xml_dom, rr)

        # Append Security to ConformanceStatement
        security_endpoint = build_oauth_resource(request,
                                                 format_type="xml")
        text_out = append_security(text_out,
                                   security_endpoint)

        # logger.debug("Text from XML function:\n%s\n=========" % text_out)
        if 'html' not in requested_format:
            return HttpResponse(text_out,
                                content_type='application'
                                             '/%s' % requested_format)
        else:
            # logger.debug("Sending text_out for display: %s" % text_out[0:100])
            return render(
                request,
                'bluebutton/default_xml.html',
                {'output': text_out,
                 'content': {'parameters': query_string,
                             'resource_type': resource_type,
                             'request_method': "GET",
                             'interaction_type': "metadata",
                             'source': get_fhir_source_name(cx)}})

            # return HttpResponse( tostring(dict_to_xml('content', od)),
        #                      content_type='application/%s' % fmt)
    else:
        # back_end_format == 'json'
        # logger.debug('We got json back in od')
        od = conformance_filter(text_out, back_end_format, rr)

        # Append Security to ConformanceStatement
        security_endpoint = build_oauth_resource(request,
                                                 format_type="json")
        print("OD:\n%s" % od['rest'])
        od['rest'][0]['security'] = security_endpoint
        print("OD+Security:\n%s" % od)

        text_out = pretty_json(od)
        if 'html' not in requested_format:
            return HttpResponse(text_out,
                                content_type='application/'
                                             '%s' % requested_format)
        if 'security' in od:
            print("%s" % pretty_json(od['security'], indent=4))
        else:
            print("No security content in Conformance")
            print("od: %s" % pretty_json(od, indent=4))

    # logger.debug('We got a different format:%s' % back_end_format)

    return render(
        request,
        'bluebutton/default.html',
        {'output': text_out,
         'content': {'parameters': query_string,
                     'resource_type': resource_type,
                     'request_method': "GET",
                     'interaction_type': "metadata"}})
Ejemplo n.º 11
0
def rebuild_fhir_search(request):
    """ Rebuild the Search String

    We will start to use a session variable

    We received:
    http://localhost:8000/cmsblue/fhir/v1
    ?_getpages=61c6e2d1-2b7c-49c3-a083-3d5b3874d4ff&_getpagesoffset=10
    &_count=10&_format=json&_pretty=true&_bundletype=searchset

    Session Variables will be storing:
    - FHIR Target URL/Resource
    - _getpages value
    - expires datetime

    Construct FHIR_Target_URL + search parameters

    """

    # now = str(datetime.now())
    ikey = ''
    if '_getpages' in request.GET:
        ikey = request.GET['_getpages']
        sn_vr = read_session(request, ikey, skey=SESSION_KEY)
        # logger.debug("Session info:%s" % sn_vr)

        if sn_vr == {}:
            # Nothing returned from Session Variables
            # Key could be expired or not matched
            return authenticated_home(request)

        url_call = sn_vr['fhir_to']
        url_call += '/?' + request.META['QUERY_STRING']

        rewrite_url_list = sn_vr['rwrt_list']
        resource_type = sn_vr['res_type']
        interaction_type = sn_vr['intn_type']
        key = sn_vr['key']
        vid = sn_vr['vid']

        cx = get_crosswalk(request.user)

        # logger.debug("Calling:%s" % url_call)
        r = request_call(request, url_call, cx,
                         reverse_lazy('authenticated_home'))

        host_path = get_host_url(request, '?')

        # get 'xml' 'json' or ''
        fmt = get_search_param_format(request.META['QUERY_STRING'])

        text_out = post_process_request(request, fmt, host_path, r,
                                        rewrite_url_list)
        od = build_output_dict(request, OrderedDict(), resource_type, key, vid,
                               interaction_type, fmt, text_out)

        if fmt == 'xml':
            # logger.debug('We got xml back in od')
            return HttpResponse(r.text, content_type='application/%s' % fmt)
            # return HttpResponse( tostring(dict_to_xml('content', od)),
            #                      content_type='application/%s' % fmt)
        elif fmt == 'json':
            # logger.debug('We got json back in od')
            return HttpResponse(pretty_json(od),
                                content_type='application/%s' % fmt)

        # logger.debug('We got a different format:%s' % fmt)
        return render(
            request,
            'bluebutton/default.html',
            {
                'content': pretty_json(od),
                'output': od
            },
        )

    return authenticated_home(request)
Ejemplo n.º 12
0
 def __init__(self, json_data, status_code):
     self.content = pretty_json(json_data)
     self.json_data = json_data
     self.status_code = status_code
     self.ct = 1
Ejemplo n.º 13
0
 def __init__(self, json_data, status_code):
     self.content = pretty_json(json_data)
     self.json_data = json_data
     self.status_code = status_code
     self.ct = 1
Ejemplo n.º 14
0
def rebuild_fhir_search(request):
    """ Rebuild the Search String

    We will start to use a session variable

    We received:
    http://localhost:8000/cmsblue/fhir/v1
    ?_getpages=61c6e2d1-2b7c-49c3-a083-3d5b3874d4ff&_getpagesoffset=10
    &_count=10&_format=json&_pretty=true&_bundletype=searchset

    Session Variables will be storing:
    - FHIR Target URL/Resource
    - _getpages value
    - expires datetime

    Construct FHIR_Target_URL + search parameters

    """

    # now = str(datetime.now())
    ikey = ""
    if "_getpages" in request.GET:
        ikey = request.GET["_getpages"]
        sn_vr = read_session(request, ikey, skey=SESSION_KEY)
        # logger.debug("Session info:%s" % sn_vr)

        if sn_vr == {}:
            # Nothing returned from Session Variables
            # Key could be expired or not matched
            return authenticated_home(request)

        url_call = sn_vr["fhir_to"]
        url_call += "/?" + request.META["QUERY_STRING"]

        rewrite_url_list = sn_vr["rwrt_list"]
        resource_type = sn_vr["res_type"]
        interaction_type = sn_vr["intn_type"]
        key = sn_vr["key"]
        vid = sn_vr["vid"]

        logger.debug("Calling:%s" % url_call)
        r = request_call(request, url_call, reverse_lazy("authenticated_home"))

        host_path = get_host_url(request, "?")

        # get 'xml' 'json' or ''
        fmt = get_search_param_format(request.META["QUERY_STRING"])

        text_out = post_process_request(request, fmt, host_path, r, rewrite_url_list)
        od = build_output_dict(request, OrderedDict(), resource_type, key, vid, interaction_type, fmt, text_out)

        if fmt == "xml":
            # logger.debug('We got xml back in od')
            return HttpResponse(r.text, content_type="application/%s" % fmt)
            # return HttpResponse( tostring(dict_to_xml('content', od)),
            #                      content_type='application/%s' % fmt)
        elif fmt == "json":
            # logger.debug('We got json back in od')
            return HttpResponse(pretty_json(od), content_type="application/%s" % fmt)

        # logger.debug('We got a different format:%s' % fmt)
        return render(request, "bluebutton/default.html", {"content": pretty_json(od), "output": od})

    return authenticated_home(request)
Ejemplo n.º 15
0
def fhir_conformance(request, *args, **kwargs):
    """ Pull and filter fhir Conformance statement

    metadata call

    """
    if not request.user.is_authenticated():
        return authenticated_home(request)

    resource_type = "Conformance"
    call_to = FhirServerUrl()
    if call_to.endswith("/"):
        call_to += "metadata"
    else:
        call_to += "/metadata"

    pass_params = urlencode(strip_oauth(request.GET))

    # Add ? to front of parameters if needed
    pass_params = prepend_q(pass_params)

    logger.debug("Calling:%s" % call_to + pass_params)

    r = request_call(request, call_to + pass_params, reverse_lazy("authenticated_home"))

    text_out = ""
    host_path = get_host_url(request, "?")

    # get 'xml' 'json' or ''
    fmt = get_search_param_format(request.META["QUERY_STRING"])

    rewrite_url_list = settings.FHIR_SERVER_CONF["REWRITE_FROM"]
    # print("Starting Rewrite_list:%s" % rewrite_url_list)

    text_out = post_process_request(request, fmt, host_path, r.text, rewrite_url_list)

    od = conformance_filter(text_out, fmt)

    if fmt == "xml":
        # logger.debug('We got xml back in od')
        return HttpResponse(text_out, content_type="application/%s" % fmt)
        # return HttpResponse( tostring(dict_to_xml('content', od)),
        #                      content_type='application/%s' % fmt)
    elif fmt == "json":
        # logger.debug('We got json back in od')
        return HttpResponse(pretty_json(od), content_type="application/%s" % fmt)

    # logger.debug('We got a different format:%s' % fmt)

    return render(
        request,
        "bluebutton/default.html",
        {
            "output": pretty_json(od),
            "content": {
                "parameters": request.GET.urlencode(),
                "resource_type": resource_type,
                "request_method": "GET",
                "interaction_type": "metadata",
            },
        },
    )
Ejemplo n.º 16
0
def read_search(request,
                interaction_type,
                resource_type,
                id=None,
                vid=None,
                *args,
                **kwargs):
    """
    Read from remote FHIR Server

    :param request:
    :param interaction_type:
    :param resource_type:
    :param id:
    :param vid:
    :param args:
    :param kwargs:
    :return:

    # Example client use in curl:
    # curl  -X GET http://127.0.0.1:8000/fhir/Practitioner/1234?_format=json


    """

    logger.debug('\n========================\n'
                 'INTERACTION_TYPE: %s' % interaction_type)

    # Get the users crosswalk
    cx = get_crosswalk(request.user)

    # cx will be the crosswalk record or None
    rr = get_resourcerouter(cx)

    # Check if this interaction type and resource type combo is allowed.
    deny = check_access_interaction_and_resource_type(resource_type,
                                                      interaction_type, rr)
    if deny:
        # if not allowed, return a 4xx error.
        return deny

    srtc = check_rt_controls(resource_type, rr)
    # We get back a Supported ResourceType Control record or None
    # with earlier if deny step we should have a valid srtc.

    if srtc.secure_access and request.user.is_anonymous():
        return kickout_403('Error 403: %s Resource access is controlled.'
                           ' Login is required:'
                           '%s' % (resource_type, request.user.is_anonymous()))
        # logger.debug('srtc: %s' % srtc)

    if (cx is None and srtc is not None):
        # There is a srtc record so we need to check override_search
        if srtc.override_search:
            # If user is not in Crosswalk and srtc has search_override = True
            # We need to prevent search to avoid data leakage.
            return kickout_403('Error 403: %s Resource is access controlled.'
                               ' No records are linked to user:'******'%s' % (resource_type, request.user))

    ################################################
    #
    # Now we should have sorted out all the bounces
    # Now to structure the call to the back-end
    #
    ################################################

    # construct the server address, path and release
    # Get the crosswalk.fhir_source = ResourceRouter

    # Build url from rr.server_address + rr.server_path + rr.server_release

    target_url = rr.fhir_url

    # add resource_type + '/'
    target_url += srtc.resourceType

    target_url += "/"

    # Analyze the _format parameter
    # Sve the display _format

    input_parameters = request.GET

    # requested_format = 'json' | 'xml' | 'html'
    requested_format = save_request_format(input_parameters)

    format_mode = eval_format_type(requested_format)

    # prepare the back-end _format setting
    back_end_format = set_fhir_format(format_mode)

    # remove the oauth parameters
    payload = strip_oauth(request.GET)

    # Get payload with oauth parameters removed
    # Add the format for back-end
    payload['_format'] = back_end_format

    # remove the srtc.search_block parameters
    payload = block_params(payload, srtc)

    # print("id:%s" % str(id))
    # move resource_id to _id=resource_id
    id_dict = set_resource_id(srtc, id, cx.fhir_id)
    # id_dict['query_mode'] = 'search' | 'read'
    # id_dict['url_id'] = '' | id
    # id_dict['_id'] = id  | ''
    # id_dict['patient'] = patient_id | ''

    # resource_id = id_dict['url_id']

    # Add the srtc.search_add parameters
    # added_params = add_params(srtc,
    #                           patient_id=id_dict['patient'],
    #                           key=id_dict['url_id'])

    # print("Added Params:%s" % added_params)

    params_list = search_add_to_list(srtc.search_add)

    # print("Params_List:%s" % params_list)

    payload = payload_additions(payload, params_list)

    # print('id_dict:%s' % id_dict)
    # print("what have we got?:%s" % id_dict)
    if id_dict['_id']:
        # add rt_id into the search parameters
        if id_dict['_id'] is not None:
            payload['_id'] = id_dict['_id']

    if resource_type.lower() == 'patient':
        # print("Working resource:%s" % resource_type)
        payload['_id'] = id_dict['patient']
        if payload['patient']:
            del payload['patient']

    for pyld_k, pyld_v in payload.items():
        if pyld_v is None:
            pass
        elif '%PATIENT%' in pyld_v:
            # replace %PATIENT% with cx.fhir_id

            payload = payload_var_replace(payload,
                                          pyld_k,
                                          new_value=id_dict['patient'],
                                          old_value='%PATIENT%')
    # print("post futzing:%s" % id_dict)
    # add the _format setting
    payload['_format'] = back_end_format

    # Make the request_call
    r = request_get_with_parms(request,
                               target_url,
                               json.loads(json.dumps(payload)),
                               cx,
                               reverse_lazy('home'),
                               timeout=settings.REQUEST_CALL_TIMEOUT)

    ################################################
    #
    # Now we process the response from the back-end
    #
    ################################################

    # if 'status_code' in r:
    #     r_status_code = r.status_code
    # else:
    #     r_status_code = 500

    rewrite_list = build_rewrite_list(cx)
    host_path = get_host_url(request, resource_type)[:-1]

    try:
        text_in = r.text
    except:
        text_in = ""

    text_out = post_process_request(request, back_end_format, host_path,
                                    text_in, rewrite_list)

    if resource_type.lower() == 'patient':
        display_key = id_dict['patient']
    else:
        display_key = id
    od = build_output_dict(request, OrderedDict(), resource_type, display_key,
                           vid, interaction_type, requested_format, text_out)

    ################################################
    #
    # Now display the result
    #
    ################################################
    ikey = ''
    try:
        ikey = find_ikey(r.text)
    except:
        ikey = ''

    if ikey is not '':

        save_url = get_target_url(target_url, resource_type)
        # print("Store target_url:%s but only: %s" % (target_url,save_url))
        content = {
            'fhir_to': save_url,
            'rwrt_list': rewrite_list,
            'res_type': resource_type,
            'intn_type': interaction_type,
            'key': display_key,
            'vid': vid,
            'resource_router': rr.id
        }
        sesn_var = write_session(request, ikey, content, skey=SESSION_KEY)
        if sesn_var:
            logger.debug("Problem writing session variables."
                         " Returned %s" % sesn_var)

    if format_mode == 'xml':
        # logger.debug('We got xml back in od')
        return HttpResponse(r.text,
                            content_type='application/%s' % requested_format)
        # return HttpResponse(tostring(dict_to_xml('content', od)),
        #                     content_type='application/%s' % requested_format)

    elif format_mode == 'json':
        # logger.debug('We got json back in od')
        return HttpResponse(pretty_json(od['bundle']),
                            content_type='application/%s' % requested_format)

    query_string = build_querystring(request.GET.copy())
    if "xml" in requested_format:
        # logger.debug("Sending text_out for display: %s" % text_out[0:100])
        div_text = get_div_from_xml(text_out)
        # print("DIV TEXT returned:[%s]%s" % (type(div_text), div_text))
        return render(
            request, 'bluebutton/default_xml.html', {
                'output': text_out,
                'content': {
                    'parameters': query_string,
                    'resource_type': resource_type,
                    'request_method': "GET",
                    'interaction_type': interaction_type,
                    'div_texts': [
                        div_text,
                    ],
                    'source': cx.fhir_source.name
                }
            })

    else:
        text_out = pretty_json(od['bundle'])
        div_text = get_div_from_json(od['bundle'])

    # logger.debug('We got a different format:%s' % requested_format)
    return render(
        request, 'bluebutton/default.html', {
            'output': text_out,
            'content': {
                'parameters': query_string,
                'resource_type': resource_type,
                'request_method': "GET",
                'interaction_type': interaction_type,
                'div_texts': div_text,
                'source': cx.fhir_source.name
            }
        })
Ejemplo n.º 17
0
def fhir_conformance(request, *args, **kwargs):
    """ Pull and filter fhir Conformance statement

    BaseDstu2 = "Conformance"
    BaseStu3 = "CapabilityStatement"

    metadata call

    """
    if not request.user.is_authenticated():
        return authenticated_home(request)

    try:
        cx = Crosswalk.objects.get(user=request.user)
    except Crosswalk.DoesNotExist:
        cx = None
        # logger.debug('Crosswalk for %s does not exist' % request.user)

    if cx:
        call_to = cx.fhir_source.fhir_url
    else:
        call_to = FhirServerUrl()

    resource_type = conformance_or_capability(call_to)

    if call_to.endswith('/'):
        call_to += 'metadata'
    else:
        call_to += '/metadata'

    pass_params = strip_oauth(request.GET)
    # pass_params should be an OrderedDict after strip_auth
    # logger.debug("result from strip_oauth:%s" % pass_params)

    # Let's store the inbound requested format
    # We need to simplify the format call to the backend
    # so that we get data we can manipulate
    requested_format = request_format(pass_params)

    # now we simplify the format/_format request for the back-end
    pass_params = strip_format_for_back_end(pass_params)
    back_end_format = pass_params['_format']

    encoded_params = urlencode(pass_params)
    #
    # Add ? to front of parameters if needed
    pass_params = prepend_q(encoded_params)

    # logger.debug("Calling:%s" % call_to + pass_params)

    ####################################################
    ####################################################

    r = request_call(request, call_to + pass_params, cx,
                     reverse_lazy('authenticated_home'))

    ####################################################
    ####################################################

    text_out = ''
    host_path = get_host_url(request, '?')

    # get 'xml' 'json' or ''
    # fmt = get_search_param_format(request.META['QUERY_STRING'])
    # force to json

    # logger.debug("Format:%s" % back_end_format)

    rewrite_url_list = settings.FHIR_SERVER_CONF['REWRITE_FROM']
    # print("Starting Rewrite_list:%s" % rewrite_url_list)

    text_out = post_process_request(request, back_end_format, host_path,
                                    r.text, rewrite_url_list)

    query_string = build_querystring(request.GET.copy())
    # logger.debug("Query:%s" % query_string)

    if 'xml' in requested_format:
        # logger.debug('We got xml back in od')

        # logger.debug("is xml filtered?%s" % requested_format)
        xml_dom = xml_to_dom(text_out)
        text_out = dom_conformance_filter(xml_dom)
        # logger.debug("Text from XML function:\n%s\n=========" % text_out)
        if 'html' not in requested_format:
            return HttpResponse(text_out,
                                content_type='application'
                                '/%s' % requested_format)
        else:
            # logger.debug("Sending text_out for display: %s" % text_out[0:100])
            return render(
                request, 'bluebutton/default_xml.html', {
                    'output': text_out,
                    'content': {
                        'parameters': query_string,
                        'resource_type': resource_type,
                        'request_method': "GET",
                        'interaction_type': "metadata",
                        'source': cx.fhir_source.name
                    }
                })

            # return HttpResponse( tostring(dict_to_xml('content', od)),
        #                      content_type='application/%s' % fmt)
    elif back_end_format == 'json':
        # logger.debug('We got json back in od')
        od = conformance_filter(text_out, back_end_format)
        text_out = pretty_json(od)
        if 'html' not in requested_format:
            return HttpResponse(text_out,
                                content_type='application/'
                                '%s' % requested_format)
    else:
        # let's make sure we have json to deliver:
        od = conformance_filter(text_out, back_end_format)
        text_out = pretty_json(od)

    # logger.debug('We got a different format:%s' % back_end_format)

    return render(
        request, 'bluebutton/default.html', {
            'output': text_out,
            'content': {
                'parameters': query_string,
                'resource_type': resource_type,
                'request_method': "GET",
                'interaction_type': "metadata",
                'source': cx.fhir_source.name
            }
        })
Ejemplo n.º 18
0
def connect_first(request):
    """
    Prompt for MyMedicare.gov user and password
    Ask for confirmation to connect to MyMedicare.gov

    call connect with userid and password

    :param request:
    :return:
    """

    try:
        xwalk = Crosswalk.objects.get(user=request.user)
    except Crosswalk.DoesNotExist:
        xwalk = Crosswalk()
        xwalk.user = request.user
        # We may want to add the default FHIR Server to the crosswalk entry
        # before we save.
        # xwalk.fhir_source =
        xwalk.save()

    xwalk = Crosswalk.objects.get(user=request.user)

    form = Medicare_Connect()
    # logger.debug("In eimm.mym_login.connect_first:"
    #              "User:%s \nCrosswalk:%s" % (xwalk.user, xwalk))

    if request.POST:
        form = Medicare_Connect(request.POST)
        if form.is_valid():
            if form.cleaned_data['mmg_user'] and form.cleaned_data['mmg_pwd']:
                context = {}
                #  make the call
                # logger.debug("MAKING THE CALL with:",
                #              form.cleaned_data['mmg_user'],
                #              "and ", form.cleaned_data['mmg_pwd'])

                mmg = {}
                mmg['mmg_user'] = form.cleaned_data['mmg_user']
                mmg['mmg_pwd'] = form.cleaned_data['mmg_pwd']

                # see if the call works
                mmg = connect(request, mmg)

                if mmg['status'] == 'FAIL':
                    # we had a problem with login
                    messages.info(
                        request,
                        mark_safe("Do you need to connect to "
                                  "<a href='https://mymedicare.gov'"
                                  " target='_blank'>"
                                  "MyMedicare.gov</a> to check your"
                                  " account?"))
                    return render(request, 'eimm/medicare_connect.html',
                                  {'form': form})

                # Now we go and get the BlueButton Text file
                mmg_bb = get_bluebutton(request, mmg)

                # mmg_mail = {}
                # logger.debug("Blue Button returned:", mmg_bb)

                mc_prof = {}
                if mmg_bb['status'] == "OK":
                    pretty_name = pretty_json(split_name(mmg['mmg_name']))
                    mc_prof['user'] = mmg['mmg_user']
                    mc_prof['password'] = mmg['mmg_pwd']
                    mc_prof['name'] = mmg['mmg_name']
                    mc_prof['HumanName'] = pretty_name
                    mc_prof['account'] = mmg['mmg_account']
                    # need to check what is returned in mmg_account.

                    messages.success(
                        request, "Connection succeeded for " +
                        mc_prof['name'] + "[" + mc_prof['user'] + "].")

                    # Update the Medicare user name to the Crosswalk
                    if xwalk.mb_user == '':
                        xwalk.mb_user = mc_prof['user']

                    if mmg_bb['status'] == "OK":
                        # We need to save the Blue Button Text
                        # print("We are okay to update mmg_bbdata",
                        #      "\n with ", mmg_bb['mmg_bbdata'][:250])
                        mc_prof['bb_data'] = mmg_bb['mmg_bbdata']

                        # Save the Blue Button text to the Crosswalk
                        # TODO: Save to BlueButtonText
                        write_bb_text = bb_update_or_create(
                            xwalk.user, mmg_bb['mmg_bbdata'])
                        # xwalk.bb_text = mmg_bb['mmg_bbdata']

                        if write_bb_text:
                            bb_text = mmg_bb['mmg_bbdata']
                        else:
                            bb_text = '{}'

                        # Convert the text to JSON
                        result = bb_to_json(request, bb_text)

                        # logger.debug("BB Conversion:", result)
                        if result['result'] == "OK":
                            mc_prof['bb_json'] = result['mmg_bbjson']

                            mc_prof['email'] = get_bbemail(
                                request, mc_prof['bb_json'])
                            mc_prof['profile'] = get_bbprof(
                                request, mc_prof['bb_json'])
                            # Extract claims from Blue Button JSON
                            mc_prof['claims'] = getbbclm(
                                request, mc_prof['bb_json'])

                            # logger.debug("returned json from xwalk:", result)

                        #     for key, value in xwalk.mmg_bbjson.items():
                        #         # print("Key:", key)
                        #         if key == "patient":
                        #             for k, v in value.items():
                        #                 # print("K:", k, "| v:", v)
                        #                 if k == "email":
                        #                     xwalk.mmg_email = v
                        # if not xwalk.mmg_bbfhir:
                        #     if result['result'] == "OK":
                        #         outcome = json_to_eob(request)
                        #         if outcome['result'] == "OK":
                        #             xwalk.mmg_bbfhir = True

                    # if mmg_mail['status'] == "OK":
                    #     xwalk.mmg_email = mmg_mail['mmg_email']

                    # Save the Crosswalk changes
                    xwalk.save()

                    context['mmg'] = mmg

                return render(
                    request, 'eimm/bluebutton_analytics.html', {
                        'content': context,
                        'profile': mc_prof,
                        'profilep': pretty_json(mc_prof['profile']),
                        'claimsp': pretty_json(mc_prof['claims'])
                    })

    else:
        form = Medicare_Connect()

        # logger.debug("setting up the GET:")

    return render(request, 'eimm/medicare_connect.html', {'form': form})
Ejemplo n.º 19
0
def convert_bb(request):
    """ Read bb_text from CrossWalk
        Convert to JSON (bb_to_json)
        Analyze JSON
        Get Claims
        Search for Claims
        Check for Unique Patient
        Get Unique Patient
        Store ID in Crosswalk

     """

    try:
        xwalk = Crosswalk.objects.get(user=request.user)
    except Crosswalk.DoesNotExist:
        xwalk = Crosswalk()
        xwalk.user = request.user
        # We may want to add the default FHIR Server to the crosswalk entry
        # before we save.
        # xwalk.fhir_source =
        xwalk.save()

    # Do we have Blue Button text to work with?
    bb_text = check_for_bb_text(xwalk.user)
    if not bb_text:
        return HttpResponseRedirect(reverse('home'))

    # Convert from text to JSON
    bb_result = bb_to_json(request, bb_text.bb_content)
    bb_json = bb_result['mmg_bbjson']
    # print("JSON:", bb_result['mmg_bbjson'])

    # Extract Claims from bb_json
    bb_claims = getbbclm(request, bb_result['mmg_bbjson'])
    # print("\nClaims:", bb_claims)

    fhir_claims = eval_claims(request, bb_claims)

    # Take bb_claims and get a unique list of patients
    # Hopefully we only have ONE
    bb_patient_ids = unique_keys(fhir_claims, key="patient")
    # print("Patient IDs:", bb_patient_ids)

    if len(bb_patient_ids) is 0:
        # We have a problem...
        # Too many or Too Few Patient IDs returned from Claims

        messages.error(request, "Unable to find a Patient Match")
    elif len(bb_patient_ids) > 1:
        messages.error(request, "Unable to match to a unique Patient ID")
    else:
        messages.info(request, "We found a match %s" % bb_patient_ids[0])
        if not xwalk.fhir_id:
            # We need the Id from Patient ID
            # It should be in format Patient/{ID}
            fhir_id = bb_patient_ids[0].split('/')
            if len(fhir_id) > 1:
                fhir_id_num = fhir_id[-1]
                xwalk.fhir_id = fhir_id_num
                mc_prof = {}
                if bb_json['result'] == "OK":
                    mc_prof['bb_json'] = bb_json['mmg_bbjson']

                    mc_prof['email'] = get_bbemail(request, bb_json)
                    mc_prof['profile'] = get_bbprof(request, bb_json)
                    # Extract claims from Blue Button JSON
                    mc_prof['claims'] = getbbclm(request, bb_json)
                    return render(
                        request, 'eimm/bluebutton_analytics.html', {
                            'content': bb_json,
                            'profile': mc_prof,
                            'profilep': pretty_json(mc_prof['profile']),
                            'claimsp': pretty_json(mc_prof['claims'])
                        })

    return HttpResponseRedirect(reverse('home'))
Ejemplo n.º 20
0
def generic_read(request,
                 interaction_type,
                 resource_type,
                 r_id=None,
                 vid=None,
                 *args,
                 **kwargs):
    """
    Read from remote FHIR Server

    :param request:
    :param interaction_type:
    :param resource_type:
    :param id:
    :param vid:
    :param args:
    :param kwargs:
    :return:

    # Example client use in curl:
    # curl  -X GET http://127.0.0.1:8000/fhir/Practitioner/1234

    """
    # interaction_type = 'read' or '_history' or 'vread' or 'search'
    logger.debug('interaction_type: %s' % interaction_type)

    # Check if this interaction type and resource type combo is allowed.
    deny = check_access_interaction_and_resource_type(resource_type,
                                                      interaction_type)
    if deny:
        # if not allowed, return a 4xx error.
        return deny

    srtc = check_rt_controls(resource_type)
    # We get back a Supported ResourceType Control record or None
    # with earlier if deny step we should have a valid srtc.

    default_path = get_default_path(srtc.resource_name)
    # get the default path for resource with ending "/"
    # You need to add resource_type + "/" for full url

    logger.debug('srtc: %s' % srtc)

    try:
        cx = Crosswalk.objects.get(user=request.user)
    except Crosswalk.DoesNotExist:
        cx = None
        # logger.debug('Crosswalk for %s does not exist' % request.user)

    if (cx is None and srtc is not None):
        # There is a srtc record so we need to check override_search
        if srtc.override_search:
            # If user is not in Crosswalk and srtc has search_override = True
            # We need to prevent search to avoid data leakage.
            return kickout_403('Error 403: %s Resource is access controlled.'
                               ' No records are linked to user:'******'%s' % (resource_type, request.user))

    # Request.user = user
    # interaction_type = read | _history | vread
    # resource_type = 'Patient | Practitioner | ExplanationOfBenefit ...'
    # id = fhir_id (potentially masked)
    # vid = Version Id

    # Check the resource_type to see if it has a url
    # Check the resource_type to see if masking is required
    # Get the FHIR_Server (from crosswalk via request.user)
    # if masked get the fhir_id from crosswalk
    # if search_override strip search items (search_block)
    # if search_override add search keys

    fhir_url = ''
    # change source of default_url to ResourceRouter

    # Add default FHIR Server URL to re-write

    rewrite_url_list = settings.FHIR_SERVER_CONF['REWRITE_FROM']
    # print("Starting Rewrite_list:%s" % rewrite_url_list)

    if srtc:
        logger.debug('SRTC:%s' % srtc)

        fhir_url = default_path + resource_type + '/'
        # Add to the rewrite_url list
        rewrite_url_list.append(default_path)

    else:
        logger.debug('CX:%s' % cx)
        if cx:
            fhir_url = cx.get_fhir_resource_url(resource_type)
            rewrite_url_list.append(fhir_url.replace(resource_type + '/', ''))
        else:
            # logger.debug('FHIRServer:%s' % FhirServerUrl())
            fhir_url = FhirServerUrl() + resource_type + '/'

    if FhirServerUrl()[:-1] not in rewrite_url_list:
        rewrite_url_list.append(FhirServerUrl()[:-1])

    logger.debug('FHIR URL:%s' % fhir_url)
    logger.debug('Rewrite List:%s' % rewrite_url_list)

    if interaction_type == 'search':
        key = None
    else:
        key = masked_id(resource_type, cx, srtc, r_id, slash=False)
        if fhir_url.endswith(resource_type + '/'):
            # we need to make sure we don't specify resource_type twice in URL
            if key.startswith(resource_type + '/'):
                key = key.replace(resource_type + '/', '')

        fhir_url += key + '/'

    logger.debug('FHIR URL with key:%s' % fhir_url)

    ###########################

    # Now we get to process the API Call.

    # Internal handling format is json
    # Remove the oauth elements from the GET
    pass_params = strip_oauth(request.GET)

    if interaction_type == 'search':
        if cx is not None:
            logger.debug("cx.fhir_id=%s" % cx.fhir_id)
            r_id = cx.fhir_id.split('/')[1]
            logger.debug("Patient Id:%s" % r_id)

    if resource_type == "Patient":
        key = r_id

    pass_params = build_params(pass_params,
                               srtc,
                               # key,
                               r_id,
                               )

    if interaction_type == 'vread':
        pass_to = fhir_url + '_history' + '/' + vid
    elif interaction_type == '_history':
        pass_to = fhir_url + '_history'
    else:  # interaction_type == 'read':
        pass_to = fhir_url

    logger.debug('Here is the URL to send, %s now add '
                 'GET parameters %s' % (pass_to, pass_params))

    if pass_params is not '':
        pass_to += pass_params

    logger.debug("Making request:%s" % pass_to)
    # Now make the call to the backend API
    r = request_call(request, pass_to, reverse_lazy('api:v1:home'))

    text_out = ''
    if 'text' in r:
        logger.debug('r:%s' % r.text)
    else:
        logger.debug("r not returning text:%s" % r)

    # logger.debug('Rewrite List:%s' % rewrite_url_list)

    host_path = get_host_url(request, resource_type)[:-1]
    logger.debug('host path:%s' % host_path)

    # get 'xml' 'json' or ''
    fmt = get_search_param_format(pass_params)

    text_out = post_process_request(request,
                                    fmt,
                                    host_path,
                                    r.text,
                                    rewrite_url_list)

    od = build_output_dict(request,
                           OrderedDict(),
                           resource_type,
                           key,
                           vid,
                           interaction_type,
                           fmt,
                           text_out)

    # write session variables if _getpages was found
    ikey = find_ikey(r.text)
    if ikey is not '':

        save_url = get_target_url(fhir_url, resource_type)
        # print("Store fhir_url:%s but only: %s" % (fhir_url,save_url))
        content = {
            'fhir_to': save_url,
            'rwrt_list': rewrite_url_list,
            'res_type': resource_type,
            'intn_type': interaction_type,
            'key': key,
            'vid': vid
        }
        sesn_var = write_session(request, ikey, content, skey=SESSION_KEY)
        if sesn_var:
            logger.debug("Problem writing session variables."
                         " Returned %s" % sesn_var)
    if fmt == 'xml':
        # logger.debug('We got xml back in od')
        return HttpResponse(r.text, content_type='application/%s' % fmt)
        # return HttpResponse( tostring(dict_to_xml('content', od)),
        #                      content_type='application/%s' % fmt)
    elif fmt == 'json':
        # logger.debug('We got json back in od')
        return HttpResponse(pretty_json(od),
                            content_type='application/%s' % fmt)

    # logger.debug('We got a different format:%s' % fmt)
    return render(
        request,
        'bluebutton/default.html',
        {'content': pretty_json(od), 'output': od},
    )