CI: test a static message generated with dkimpy

test/conftest.py

@@ -29,6 +29,15 @@ def private_key(scope='session'):
     res = subprocess.run(binargs, capture_output=True, text=True)
     with open(pubpath, 'w') as f:
         key = ''.join(res.stdout.splitlines()[1:-1])
+        f.write((
+            'sel._domainkey.dkimpy.example.com v=DKIM1; k=rsa; '
+            'p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAqf/MoqRqzK3/bcCyLSx5'
+            'CDvyPotNDBjLLFHdMmcWDiSZ8saslFyNR6FkFxuNtw843m7MkwOSJ9TRd9p+OoRLDv'
+            'H0jDR1Dqq22QOJKiG5XQ91aZwin9jpWKkuoRoRZRhWrzUOJWAybHarsEQm9iCPh2zn'
+            'dbSPSzPQL1OsjURIuw5G9+/nr5rhJ72Qi6v86zofWUKdXhLf+oVmho79D0xGMFFm0f'
+            'b98xIeZlgJTnmrj/zuxIKHeVmGKI1j6L3xttdcDiUVRGxoubkFzg9TIBGhdeFkpa0C'
+            'ZuhB/1/U3f1oG3Upx5o/jXTQk/dwVaaeEXnRmTsfGYn4GQ9ziity1ijLsQIDAQAB\n'
+        ))
         f.write(f'elpmaxe._domainkey.example.com v=DKIM1; k=rsa; p={key}\n')
 
 

test/test_milter.py

@@ -8,15 +8,16 @@
 
 @pytest.fixture
 def run_miltertest(request, milter, milter_config):
-    def _run_miltertest(headers=None):
+    def _run_miltertest(headers=None, standard_headers=True, body='test body\r\n'):
         headers = headers or []
-        headers.extend(
-            [
-                ['From', '[email protected]\n'],
-                ['Date', 'Fri, 04 Oct 2024 10:11:12 -0400'],
-                ['Subject', request.function.__name__],
-            ]
-        )
+        if standard_headers:
+            headers.extend(
+                [
+                    ['From', '[email protected]\n'],
+                    ['Date', 'Fri, 04 Oct 2024 10:11:12 -0400'],
+                    ['Subject', request.function.__name__],
+                ]
+            )
 
         # Connect
         sock = socket.socket(family=socket.AF_UNIX)
@@ -36,7 +37,7 @@ def _run_miltertest(headers=None):
         conn.send(libmilter.SMFIC_EOH)
 
         # Send body
-        conn.send_body('test body\r\n')
+        conn.send_body(body)
         resp = conn.send_eom()
         ins_headers = []
         for msg in resp:
@@ -65,6 +66,44 @@ def test_milter_basic(run_miltertest):
     assert res['headers'][3] == ['ARC-Authentication-Results', 'i=1; example.com; arc=none']
 
 
+def test_milter_staticmsg(run_miltertest):
+    headers = [
+        ['ARC-Seal', (
+            'i=1; cv=none; a=rsa-sha256; d=dkimpy.example.com; s=sel;\r\n'
+            ' t=1728713840;\r\n'
+            ' b=jmHJmDXHe4eFAurv+yXz1RTRLj+XNaHedD4GYWPt0XntR94pMNSFlU2TxT0rzkMcE4Nkt\r\n'
+            ' xFrz0OYVfexpgNJ393tO8czBH4OwEwV2E5h+U/8N1vM+KHKfcg2n02SOxUa991Z1+CXUrO6\r\n'
+            ' lUnIx7gN+iz3x2muWG6hm6d1J0h4+yaQCuVlNImf3PM/M7l57GbfHvQpbYI9m4hf6IMncRS\r\n'
+            ' sOuXyTaH8NrWpqqM0KctxR4x+kC/Y3dKNYcL5VwbajlXletkmHO79sbuGD0HsK8HUdzfE1Z\r\n'
+            ' gGinobwxRu7skmTPq0TSlBQQ/1fuxpSOpocjnY+E/g3FH3ZsAtbOG2jVYd9w=='
+        )],
+        ['ARC-Message-Signature', (
+            'i=1; a=rsa-sha256; c=relaxed/relaxed;\r\n'
+            ' d=dkimpy.example.com; s=sel; t=1728713840; h=content-type :\r\n'
+            ' mime-version : content-transfer-encoding : subject : from : to : from;\r\n'
+            ' bh=Pb6s/Xlf4u1eDlYyO0NCaMRMrCg6xDNkK5byz8RDY1s=;\r\n'
+            ' b=dmFKbeiAEsaA/gnLQyuRBcX72pvARuJMrZIptplgCGp9vqudMP2ngI/g8eo63nQYMB0md\r\n'
+            ' AaofYsl5lD8qE/B20FDgn66jTHQIGsPi0Fv06Mf45NaTFpeaEyexjZunYXSLao3RY5Cqtac\r\n'
+            ' m0BcCS/MaaiMBoDmcRa5GOzBi02coJG5IsDt+ZWT6P7nHQHrDNsuLBeJBX7+vJ0bM9QHbCE\r\n'
+            ' Q+eZZxcT7W2MWaByV2Jjz4B+sh0IzfX2wPNsGOsNpD+MvpehQsa9ig7eEndNWw7V1qpaMN+\r\n'
+            ' vtOnb5H80nu0K4H7fvrNUI4h4b+UTumqR/HhiNTFRobUGiwuvrP4CWHj3dtQ==\r\n'
+        )],
+        ['ARC-Authentication-Results', 'i=1; dkimpy.example.com'],
+        ['Content-Type', 'text/plain; charset="us-ascii"'],
+        ['MIME-Version', '1.0'],
+        ['Content-Transfer-Encoding', '7bit'],
+        ['Subject', 'test message from dkimpy'],
+        ['From', '[email protected]'],
+        ['To', '[email protected]'],
+    ]
+    res = run_miltertest(headers, False, 'test message\r\n')
+    assert res['headers'][0] == ['Authentication-Results', 'example.com; arc=pass smtp.remote-ip=127.0.0.1']
+    assert res['headers'][1][0] == 'ARC-Seal'
+    assert 'cv=pass' in res['headers'][1][1]
+    assert res['headers'][2][0] == 'ARC-Message-Signature'
+    assert res['headers'][3] == ['ARC-Authentication-Results', 'i=2; example.com; arc=pass']
+
+
 def test_milter_resign(run_miltertest):
     """Extend the chain as much as possible"""
     res = run_miltertest()