61 lines
2.2 KiB
Python
61 lines
2.2 KiB
Python
"""ACP auth helpers — detect and advertise Hermes authentication methods."""
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from __future__ import annotations
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from typing import Any, Optional
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TERMINAL_SETUP_AUTH_METHOD_ID = "hermes-setup"
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def detect_provider() -> Optional[str]:
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"""Resolve the active Hermes runtime provider, or None if unavailable.
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A callable ``api_key`` (Azure Foundry Entra ID bearer-token provider, see
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:mod:`agent.azure_identity_adapter`) counts as a valid credential; otherwise
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Entra-configured Foundry deployments would default to ``"openrouter"`` and
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the ACP auth handshake would reject the legitimate provider.
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"""
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try:
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from hermes_cli.runtime_provider import resolve_runtime_provider
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runtime = resolve_runtime_provider()
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api_key, provider = runtime.get("api_key"), runtime.get("provider")
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if not isinstance(provider, str) or not provider.strip():
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return None
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if (isinstance(api_key, str) and api_key.strip()) or callable(api_key):
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return provider.strip().lower()
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except Exception:
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return None
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return None
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def build_auth_methods() -> list[Any]:
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"""Return registry-compatible ACP auth methods for Hermes.
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The ACP registry requires at least one usable auth method in the initial
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handshake. A fresh Zed install may have no Hermes credentials yet, so the
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terminal setup method is always advertised; when credentials resolve, the
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provider is also advertised as the default agent-managed runtime method.
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"""
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from acp.schema import AuthMethodAgent, TerminalAuthMethod
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methods: list[Any] = []
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provider = detect_provider()
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if provider:
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methods.append(AuthMethodAgent(
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id=provider,
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name=f"{provider} runtime credentials",
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description=f"Authenticate Hermes using the currently configured {provider} runtime credentials.",
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))
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methods.append(TerminalAuthMethod(
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id=TERMINAL_SETUP_AUTH_METHOD_ID,
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name="Configure Hermes provider",
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description=(
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"Open Hermes' interactive model/provider setup in a terminal. "
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"Use this when Hermes has not been configured on this machine yet."
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),
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type="terminal",
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args=["--setup"],
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))
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return methods
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