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52 lines
2 KiB
Python
52 lines
2 KiB
Python
# ========= Copyright 2025-2026 @ Eigent.ai All Rights Reserved. =========
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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# ========= Copyright 2025-2026 @ Eigent.ai All Rights Reserved. =========
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"""
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CORS middleware with configurable origins from env.
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Reads CORS_ALLOW_ORIGINS from environment. Comma-separated list.
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Defaults to ["*"] for development when not set.
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When origins is ["*"], allow_credentials is False (CORS spec forbids * + credentials).
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P2: Production warning when CORS_ALLOW_ORIGINS not set.
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"""
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import os
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from loguru import logger
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def get_cors_middleware():
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"""
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Return kwargs for CORSMiddleware. Use: add_middleware(CORSMiddleware, **get_cors_middleware())
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Env: CORS_ALLOW_ORIGINS (comma-separated, e.g. "https://app.example.com,https://admin.example.com")
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Default: ["*"] when not set (development). Production should set explicit origins.
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"""
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raw = os.getenv("CORS_ALLOW_ORIGINS", "").strip()
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if raw:
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origins = [o.strip() for o in raw.split(",") if o.strip()]
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else:
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origins = ["*"]
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from app.core.environment import env
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if env("debug", "") != "on":
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logger.warning('CORS_ALLOW_ORIGINS not set, using ["*"]. Production should set explicit origins.')
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# CORS spec: Access-Control-Allow-Origin: * cannot be used with credentials
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allow_credentials = origins != ["*"]
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return {
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"allow_origins": origins,
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"allow_credentials": allow_credentials,
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"allow_methods": ["*"],
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"allow_headers": ["*"],
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}
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