fix: use pam layer in pam services

news/1723.bugfix

@@ -0,0 +1 @@
+limits the use of multilingual services only if multilingual is actually installed. @mamico

src/plone/restapi/services/multilingual/configure.zcml

@@ -20,6 +20,7 @@
       factory=".pam.TranslationInfo"
       for="Products.CMFCore.interfaces.IContentish"
       permission="zope2.View"
+      layer="plone.app.multilingual.interfaces.IPloneAppMultilingualInstalled"
       name="@translations"
       />
   <cache:ruleset
@@ -33,6 +34,7 @@
       factory=".pam.LinkTranslations"
       for="Products.CMFCore.interfaces.IContentish"
       permission="plone.app.multilingual.ManageTranslations"
+      layer="plone.app.multilingual.interfaces.IPloneAppMultilingualInstalled"
       name="@translations"
       />
 
@@ -41,6 +43,7 @@
       factory=".pam.UnlinkTranslations"
       for="Products.CMFCore.interfaces.IContentish"
       permission="plone.app.multilingual.ManageTranslations"
+      layer="plone.app.multilingual.interfaces.IPloneAppMultilingualInstalled"
       name="@translations"
       />
 
@@ -49,6 +52,7 @@
       factory=".locator.TranslationLocator"
       for="Products.CMFCore.interfaces.IContentish"
       permission="plone.app.multilingual.ManageTranslations"
+      layer="plone.app.multilingual.interfaces.IPloneAppMultilingualInstalled"
       name="@translation-locator"
       />
 

src/plone/restapi/tests/test_translations.py

@@ -9,6 +9,7 @@
 from plone.restapi.bbb import ILanguage
 from plone.restapi.testing import PLONE_RESTAPI_DX_PAM_FUNCTIONAL_TESTING
 from plone.restapi.testing import PLONE_RESTAPI_DX_PAM_INTEGRATION_TESTING
+from plone.restapi.testing import PLONE_RESTAPI_DX_FUNCTIONAL_TESTING
 from zope.component import getMultiAdapter
 from zope.interface import alsoProvides
 
@@ -374,3 +375,30 @@ def test_translation_locator(self):
         self.assertEqual(200, response.status_code)
 
         self.assertEqual(self.portal_url + "/de", response.json().get("@id"))
+
+
+class TestPAMNotinstalled(unittest.TestCase):
+    layer = PLONE_RESTAPI_DX_FUNCTIONAL_TESTING
+
+    def setUp(self):
+        self.portal = self.layer["portal"]
+        self.request = self.layer["request"]
+        login(self.portal, SITE_OWNER_NAME)
+        self.folder = createContentInContainer(self.portal, "Folder", title="Folder")
+        transaction.commit()
+
+    def test_translations(self):
+        response = requests.get(
+            f"{self.folder.absolute_url()}/@translations",
+            headers={"Accept": "application/json"},
+            auth=(SITE_OWNER_NAME, SITE_OWNER_PASSWORD),
+        )
+        self.assertEqual(404, response.status_code)
+
+    def test_translation_locator(self):
+        response = requests.get(
+            f"{self.folder.absolute_url()}/@translation-locator",
+            headers={"Accept": "application/json"},
+            auth=(SITE_OWNER_NAME, SITE_OWNER_PASSWORD),
+        )
+        self.assertEqual(404, response.status_code)