The SECURITY.md contract said "use gopass" but the code only used
os.getenv. The deploy at /srv/pry/ had an .env file with secrets in
it, which violates the SECURITY.md threat model.
New module secrets_backend.py provides:
get_secret(name, default) - resolves from gopass, env, or file
set_secret(name, value) - writes to gopass
backend_info() - diagnostic dict for /health or /status
Backends selected by PRY_SECRET_BACKEND env var:
gopass (default) - reads from gopass at pry/<name>
env - reads from os.environ (PRY_<NAME> or PRY_<name>)
file - reads from PRY_ENV_FILE (default: PRY_DATA_DIR/.env)
auto - tries gopass, falls back to env
Refactored call sites:
auth.py: JWT_SECRET (was: os.getenv + ephemeral random default)
x402.py: X402_WALLET, X402_FACILITATOR_URL (was: os.getenv)
Seeded initial secrets on Talos (5 entries under pry/):
jwt_secret, api_key, x402_wallet, x402_facilitator, ollama_url
Updated .env.example header with backend selection guide and
seed-secret instructions.
Tests: 9/9 in test_secrets_backend.py pass. 36 tests in
test_x402_mcp_spec.py + test_secrets_backend.py all pass.
Verified end-to-end:
>>> import x402
>>> x402.X402_WALLET
'0xYourWalletAddressHere'
>>> import auth
>>> auth.JWT_SECRET
'change-me-rotate-quarterly'
Follow-up: rotate jwt_secret and api_key to real random values.
Document the rotation cadence in SECURITY.md.
