7e957cbd0b
Introduce a shared helper that maps HERMES_CA_BUNDLE, SSL_CERT_FILE, and per-provider ssl_ca_cert settings to httpx verify contexts.
52 lines
1.5 KiB
Python
52 lines
1.5 KiB
Python
"""TLS verify resolution for httpx/OpenAI provider clients."""
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from __future__ import annotations
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import logging
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import os
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import ssl
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from pathlib import Path
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from typing import Any, Optional
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logger = logging.getLogger(__name__)
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def _coerce_insecure(ssl_verify: Any) -> bool:
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if ssl_verify is False:
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return True
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if isinstance(ssl_verify, str) and ssl_verify.strip().lower() in {"false", "0", "no", "off"}:
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return True
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return False
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def resolve_httpx_verify(
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*,
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ca_bundle: Optional[str] = None,
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ssl_verify: Any = None,
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) -> bool | ssl.SSLContext:
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"""Resolve httpx ``verify`` for provider HTTP clients.
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Priority:
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1. ``ssl_verify: false`` — disable verification (local dev only)
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2. explicit ``ca_bundle`` (per-provider ``ssl_ca_cert`` config field)
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3. ``HERMES_CA_BUNDLE``, ``SSL_CERT_FILE``, ``REQUESTS_CA_BUNDLE`` env vars
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4. ``True`` (httpx/certifi default)
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"""
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if _coerce_insecure(ssl_verify):
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return False
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effective_ca = (
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(ca_bundle or "").strip()
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or os.getenv("HERMES_CA_BUNDLE", "").strip()
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or os.getenv("SSL_CERT_FILE", "").strip()
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or os.getenv("REQUESTS_CA_BUNDLE", "").strip()
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)
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if effective_ca:
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ca_path = str(Path(effective_ca).expanduser())
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if os.path.isfile(ca_path):
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return ssl.create_default_context(cafile=ca_path)
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logger.warning(
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"CA bundle path does not exist: %s — falling back to default certificates",
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effective_ca,
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)
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return True
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