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odysseus/routes
Wes Huber 1f8687abeb fix(calendar): trust operator CA bundle in CalDAV test_connection (#4796)
* fix(calendar): trust operator CA bundle in CalDAV test_connection

The pre-flight test used httpx with trust_env=False, which ignored
SSL_CERT_FILE/REQUESTS_CA_BUNDLE. Self-signed CalDAV servers that
the real sync accepts (via caldav lib → requests → honors bundle)
were rejected by the test with CERTIFICATE_VERIFY_FAILED.

Build an explicit SSL context that loads the operator's CA bundle
and clears VERIFY_X509_STRICT (which rejects certs without a
keyUsage extension — common in self-signed setups). SSRF guards
(follow_redirects=False, trust_env=False) are preserved.

Fixes #4795
Fixes #4779

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

* fix(calendar): add regression tests and edge case handling for SSL context

Per review: add route-level regression tests covering SSL_CERT_FILE
precedence, VERIFY_X509_STRICT clearing, missing bundle graceful
fallback, and empty env var handling. Also log a warning when the
configured CA bundle path doesn't exist instead of silently falling
back to system CAs.

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

* test(calendar): rewrite SSL tests to exercise route handler directly

Addresses review feedback: tests now use FastAPI TestClient to hit the
actual test_connection route, capturing the verify= kwarg passed to
httpx.AsyncClient. This ensures the route's SSL context construction
is covered, not a test-side duplicate.

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

* ci: retrigger CI (redirect hardening test is a CI-env flake, passes locally)

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

* fix(tests): remove module-level sys.modules stubs that leaked into other tests

The collection-time MagicMock stub of `caldav` replaced the real library
for every later test in the same process — test_caldav_redirect_hardening's
DAVClient became a mock that never sent the PROPFIND, failing its
must-reach-the-public-server assertion in CI. conftest already pre-imports
the real sqlalchemy/core.database, and the route's lazy imports are patched
per-request, so the stub block was both harmful and unnecessary.

Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>

* test(calendar): verify exact CA bundle precedence

---------

Co-authored-by: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
Co-authored-by: Alexandre Teixeira <alexandremagteixeira@gmail.com>
2026-07-11 13:25:16 +01:00
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