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f59edee611
Adding GigaChat (Sber) or an on-premise enterprise LLM gateway as a
model endpoint fails on first probe with
CERTIFICATE_VERIFY_FAILED: self-signed certificate in certificate
chain (_ssl.c:1000)
because their TLS chain is signed by a private root CA (Russian Trusted
Root CA for GigaChat; corporate CA for on-prem) that isn't part of the
default system / certifi trust store. The endpoint shows offline in
the picker even though the URL and API key are correct (issue #722).
The right fix is to extend the trust store, not to weaken verification.
This change:
- src/tls_overrides.py: new module that resolves an opt-in env var
LLM_CA_BUNDLE at import time, builds a shared SSLContext via
ssl.create_default_context() (so the system / certifi bundle is
loaded first) and layers the operator's PEM on top with
load_verify_locations(). Exposes llm_verify() returning a value
suitable for httpx `verify=`. Defaults to True (httpx built-in
trust) when the env var is unset, when the file is missing, or
when the PEM fails to load — verification is never silently
disabled, the warning is logged and we fall back to the safe path.
- src/llm_core.py: thread llm_verify() into the shared AsyncClient
used by stream_llm / streaming completions.
- routes/model_routes.py: thread llm_verify() into the five httpx.get
call sites in _probe_endpoint / _ping_endpoint so adding a
private-CA endpoint goes green on the very first probe and the
picker stops showing it offline.
- .env.example: document LLM_CA_BUNDLE with the GigaChat case as the
concrete example.
Deliberately NOT included: a verify=False knob (global or per-host).
Disabling verification exposes the affected endpoint to MITM, and the
operator-supplied bundle is the correct fix for legitimate private-CA
providers — so the only switch in this PR is the safe one.
Closes #722.
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|---|---|---|
| .. | ||
| __init__.py | ||
| admin_wipe_routes.py | ||
| api_token_routes.py | ||
| assistant_routes.py | ||
| auth_routes.py | ||
| backup_routes.py | ||
| calendar_routes.py | ||
| chat_helpers.py | ||
| chat_routes.py | ||
| cleanup_routes.py | ||
| codex_routes.py | ||
| compare_routes.py | ||
| contacts_routes.py | ||
| cookbook_helpers.py | ||
| cookbook_routes.py | ||
| diagnostics_routes.py | ||
| document_helpers.py | ||
| document_routes.py | ||
| editor_draft_routes.py | ||
| email_helpers.py | ||
| email_pollers.py | ||
| email_routes.py | ||
| embedding_routes.py | ||
| emoji_routes.py | ||
| font_routes.py | ||
| gallery_helpers.py | ||
| gallery_routes.py | ||
| history_routes.py | ||
| hwfit_routes.py | ||
| mcp_routes.py | ||
| memory_routes.py | ||
| model_routes.py | ||
| note_routes.py | ||
| personal_routes.py | ||
| prefs_routes.py | ||
| preset_routes.py | ||
| research_routes.py | ||
| search_routes.py | ||
| session_routes.py | ||
| shell_routes.py | ||
| signature_routes.py | ||
| skills_routes.py | ||
| stt_routes.py | ||
| task_routes.py | ||
| tts_routes.py | ||
| upload_routes.py | ||
| vault_routes.py | ||
| webhook_routes.py | ||