TLS Support (#74)

* add tests for get server certificate

* update change log

CHANGELOG.md

@@ -6,6 +6,7 @@ The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/),
 and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
 
 ## Unreleased
+- add TLS support
 
 ## [v0.2.0](https://github.com/Mapepire-IBMi/mapepire-python/releases/tag/v0.2.0) - 2024-11-26
 - replace `websocket-client` with `websockets`

mapepire_python/websocket.py

@@ -6,6 +6,7 @@
 from websockets import ConcurrencyError, ConnectionClosed, InvalidHandshake, InvalidURI
 
 from mapepire_python.data_types import DaemonServer
+from mapepire_python.ssl import get_certificate
 
 ReturnType = TypeVar("ReturnType")
 
@@ -24,8 +25,18 @@ def _create_ssl_context(self, db2_server: DaemonServer):
         if db2_server.ignoreUnauthorized:
             ssl_context.check_hostname = False
             ssl_context.verify_mode = ssl.CERT_NONE
-        elif db2_server.ca:
-            ssl_context.load_verify_locations(cadata=db2_server.ca)
+        else:
+            if db2_server.ca:
+                ssl_context.load_verify_locations(cadata=db2_server.ca)
+            else:
+                cert = get_certificate(db2_server)
+                if cert:
+                    ssl_context.load_verify_locations(cadata=cert)
+                else:
+                    raise ssl.SSLError("Failed to retrieve server certificate")
+
+                ssl_context.check_hostname = True
+                ssl_context.verify_mode = ssl.CERT_REQUIRED
         return ssl_context
 
 

tests/tls_test.py

@@ -1,6 +1,11 @@
 import os
+import ssl
 
+import pytest
+
+from mapepire_python.client.sql_job import SQLJob
 from mapepire_python.data_types import DaemonServer
+from mapepire_python.ssl import get_certificate
 
 # Fetch environment variables
 server = os.getenv("VITE_SERVER")
@@ -15,15 +20,53 @@
 creds = DaemonServer(host=server, port=port, user=user, password=password, ignoreUnauthorized=False)
 
 
-# def test_get_cert():
-#     cert = get_certificate(creds)
-#     print(cert)
-#     assert cert != None
+def test_get_cert():
+    cert = get_certificate(creds)
+    print(cert)
+    assert cert != None
+
+
+def test_verify_cert():
+    cert = get_certificate(creds)
+    creds.ignoreUnauthorized = False
+    creds.ca = cert
+    job = SQLJob()
+    result = job.connect(creds)
+    assert result["success"]
+
+
+def test_verify_cert_not_provided():
+    creds.ignoreUnauthorized = False
+    job = SQLJob()
+    result = job.connect(creds)
+    assert result["success"]
+
 
+def test_bad_cert():
+    badCert = """-----BEGIN CERTIFICATE-----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+-----END CERTIFICATE-----"""
 
-# def test_verify_cert():
-#     cert = get_certificate(creds)
-#     creds.ca = cert
-#     job = SQLJob()
-#     result = job.connect(creds)
-#     print(result)
+    creds.ca = badCert
+    creds.ignoreUnauthorized = False
+    job = SQLJob()
+    with pytest.raises(ssl.SSLError) as err:
+        res = job.connect(creds)