mirror of
https://github.com/Alishahryar1/free-claude-code.git
synced 2026-04-28 03:20:01 +00:00
93 lines
3.1 KiB
Python
93 lines
3.1 KiB
Python
"""Dependency injection for FastAPI."""
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from fastapi import Depends, HTTPException, Request
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from loguru import logger
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from config.settings import Settings
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from config.settings import get_settings as _get_settings
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from core.anthropic import get_user_facing_error_message
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from providers.base import BaseProvider
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from providers.exceptions import AuthenticationError
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from providers.registry import PROVIDER_DESCRIPTORS, ProviderRegistry
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# Provider registry: keyed by provider type string, lazily populated
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_providers: dict[str, BaseProvider] = {}
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def get_settings() -> Settings:
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"""Get application settings via dependency injection."""
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return _get_settings()
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def get_provider_for_type(provider_type: str) -> BaseProvider:
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"""Get or create a provider for the given provider type.
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Providers are cached in the registry and reused across requests.
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"""
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should_log_init = provider_type not in _providers
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try:
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provider = ProviderRegistry(_providers).get(provider_type, get_settings())
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except AuthenticationError as e:
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raise HTTPException(
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status_code=503, detail=get_user_facing_error_message(e)
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) from e
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except ValueError:
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logger.error(
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"Unknown provider_type: '{}'. Supported: {}",
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provider_type,
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", ".join(f"'{key}'" for key in PROVIDER_DESCRIPTORS),
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)
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raise
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if should_log_init:
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logger.info("Provider initialized: {}", provider_type)
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return provider
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def require_api_key(
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request: Request, settings: Settings = Depends(get_settings)
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) -> None:
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"""Require a server API key (Anthropic-style).
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Checks `x-api-key` header or `Authorization: Bearer ...` against
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`Settings.anthropic_auth_token`. If `ANTHROPIC_AUTH_TOKEN` is empty, this is a no-op.
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"""
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anthropic_auth_token = settings.anthropic_auth_token
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if not anthropic_auth_token:
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# No API key configured -> allow
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return
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header = (
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request.headers.get("x-api-key")
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or request.headers.get("authorization")
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or request.headers.get("anthropic-auth-token")
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)
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if not header:
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raise HTTPException(status_code=401, detail="Missing API key")
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# Support both raw key in X-API-Key and Bearer token in Authorization
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token = header
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if header.lower().startswith("bearer "):
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token = header.split(" ", 1)[1]
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# Strip anything after the first colon to handle tokens with appended model names
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if token and ":" in token:
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token = token.split(":", 1)[0]
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if token != anthropic_auth_token:
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raise HTTPException(status_code=401, detail="Invalid API key")
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def get_provider() -> BaseProvider:
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"""Get or create the default provider (based on MODEL env var).
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Backward-compatible convenience for health/root endpoints and tests.
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"""
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return get_provider_for_type(get_settings().provider_type)
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async def cleanup_provider():
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"""Cleanup all provider resources."""
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global _providers
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await ProviderRegistry(_providers).cleanup()
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_providers = {}
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logger.debug("Provider cleanup completed")
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