[#2804] Update headers for Haal Centraal API client

    - add headers for 'doelbinding', 'origin-oin' , 'verwerking' and
      'gebruiker' to requests maded with version 2.1 of the Haal
      Centraal client

src/open_inwoner/haalcentraal/api.py

@@ -117,6 +117,18 @@ class BRP_2_1(BRPAPI):
 
     def make_request(self, user_bsn: str) -> requests.Response:
         url = "personen"
+
+        headers = {
+            "Accept": "application/json",
+            "x-gebruiker": "BurgerZelf",
+        }
+        if self.config.api_origin_oin:  # See Taiga #755
+            headers["x-origin-oin"] = self.config.api_origin_oin
+        if self.config.api_doelbinding:  # See Taiga #755
+            headers["x-doelbinding"] = self.config.api_doelbinding
+        if self.config.api_verwerking:
+            headers["x-verwerking"] = self.config.api_verwerking
+
         response = self.client.post(
             url=url,
             json={
@@ -138,10 +150,7 @@ def make_request(self, user_bsn: str) -> requests.Response:
                 "type": "RaadpleegMetBurgerservicenummer",
                 "burgerservicenummer": [user_bsn],
             },
-            headers={
-                "Content-Type": "application/json",
-                "Accept": "application/json",
-            },
+            headers=headers,
             verify=False,
         )
         return response

src/open_inwoner/haalcentraal/migrations/0003_haalcentraalconfig_api_verwerking_and_more.py

@@ -0,0 +1,48 @@
+# Generated by Django 4.2.16 on 2024-10-15 08:42
+
+from django.db import migrations, models
+
+import open_inwoner.haalcentraal.validators
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ("haalcentraal", "0002_auto_20230206_1511"),
+    ]
+
+    operations = [
+        migrations.AddField(
+            model_name="haalcentraalconfig",
+            name="api_verwerking",
+            field=models.CharField(
+                blank=True,
+                help_text="Value of the 'x-verwerking' header for Haalcentraal BRP API requests",
+                max_length=242,
+                validators=[
+                    open_inwoner.haalcentraal.validators.validate_verwerking_header
+                ],
+                verbose_name="API 'verwerking' header",
+            ),
+        ),
+        migrations.AlterField(
+            model_name="haalcentraalconfig",
+            name="api_doelbinding",
+            field=models.CharField(
+                blank=True,
+                help_text="Value of the 'x-doelbinding' header for Haalcentraal BRP API requests.",
+                max_length=64,
+                verbose_name="API 'doelbinding' header",
+            ),
+        ),
+        migrations.AlterField(
+            model_name="haalcentraalconfig",
+            name="api_origin_oin",
+            field=models.CharField(
+                blank=True,
+                help_text="Value of the 'x-origin-oin' header for Haalcentraal BRP API requests.",
+                max_length=64,
+                verbose_name="API 'OIN' header",
+            ),
+        ),
+    ]

src/open_inwoner/haalcentraal/models.py

@@ -4,6 +4,8 @@
 from solo.models import SingletonModel
 from zgw_consumers.constants import APITypes
 
+from .validators import validate_verwerking_header
+
 
 class HaalCentraalConfigManager(models.Manager):
     def get_queryset(self):
@@ -29,15 +31,24 @@ class HaalCentraalConfig(SingletonModel):
         max_length=64,
         blank=True,
         help_text=_(
-            "Value of the 'x-origin-oin' header for Haalcentraal BRP v1.3 API requests."
+            "Value of the 'x-origin-oin' header for Haalcentraal BRP API requests."
         ),
     )
     api_doelbinding = models.CharField(
         verbose_name=_("API 'doelbinding' header"),
         max_length=64,
         blank=True,
         help_text=_(
-            "Value of the 'x-doelbinding' header for Haalcentraal BRP v1.3 API requests."
+            "Value of the 'x-doelbinding' header for Haalcentraal BRP API requests."
+        ),
+    )
+    api_verwerking = models.CharField(
+        _("API 'verwerking' header"),
+        max_length=242,
+        blank=True,
+        validators=[validate_verwerking_header],
+        help_text=_(
+            "Value of the 'x-verwerking' header for Haalcentraal BRP API requests"
         ),
     )
 

src/open_inwoner/haalcentraal/tests/test_client.py

@@ -5,22 +5,19 @@
 import requests_mock
 
 from ..api import BRP_2_1
+from ..models import HaalCentraalConfig
 from .mixins import HaalCentraalMixin
 
 
 @requests_mock.Mocker()
 class BRPClientTest(HaalCentraalMixin, TestCase):
-    def test_request_content_type(self, m):
+    def test_brp_client_request_content(self, m):
         self._setUpMocks_v_2(m)
         self._setUpService()
 
         api_client = BRP_2_1()
         response = api_client.make_request("999993847")
 
-        self.assertEqual(
-            m.request_history[0].headers["Content-Type"], "application/json"
-        )
-
         data = {
             "fields": [
                 "naam.geslachtsnaam",
@@ -42,3 +39,44 @@ def test_request_content_type(self, m):
         }
 
         self.assertEqual(json.loads(response.request.body), data)
+
+    def test_brp_client_additional_request_headers_defined(self, m):
+        self._setUpMocks_v_2(m)
+        self._setUpService()
+
+        config = HaalCentraalConfig.get_solo()
+        config.api_origin_oin = "test_x-origin-oin_header"
+        config.api_doelbinding = "test_x-doelbinding_header"
+        config.api_verwerking = "test_x-verwerking_header"
+        config.save()
+
+        api_client = BRP_2_1()
+        api_client.make_request("999993847")
+
+        self.assertEqual(
+            m.request_history[0].headers["Content-Type"], "application/json"
+        )
+        self.assertEqual(
+            m.request_history[0].headers["x-origin-oin"], "test_x-origin-oin_header"
+        )
+        self.assertEqual(
+            m.request_history[0].headers["x-doelbinding"], "test_x-doelbinding_header"
+        )
+        self.assertEqual(
+            m.request_history[0].headers["x-verwerking"], "test_x-verwerking_header"
+        )
+
+    def test_brp_client_additional_request_headers_not_defined(self, m):
+        self._setUpMocks_v_2(m)
+        self._setUpService()
+
+        api_client = BRP_2_1()
+        api_client.make_request("999993847")
+
+        self.assertEqual(
+            m.request_history[0].headers["Content-Type"], "application/json"
+        )
+        # check that that additional headers are absent (not empty strings)
+        self.assertIsNone(m.request_history[0].headers.get("x-origin-oin"))
+        self.assertIsNone(m.request_history[0].headers.get("x-doelbinding"))
+        self.assertIsNone(m.request_history[0].headers.get("x-verwerking"))

src/open_inwoner/haalcentraal/validators.py

@@ -0,0 +1,10 @@
+from django.core.exceptions import ValidationError
+from django.utils.translation import gettext as _
+
+
+def validate_verwerking_header(value: str) -> None:
+    if value.count("@") > 1:
+        raise ValidationError(
+            _("The x-verwerking header must contain at most one '@' character."),
+            code="no_multiple_at_characters",
+        )