mirror of
https://github.com/langgenius/dify.git
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63 lines
1.7 KiB
Python
63 lines
1.7 KiB
Python
from base64 import b64encode
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from functools import wraps
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from hashlib import sha1
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from hmac import new as hmac_new
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from flask import abort, request
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from configs import dify_config
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from extensions.ext_database import db
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from models.model import EndUser
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def inner_api_only(view):
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@wraps(view)
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def decorated(*args, **kwargs):
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if not dify_config.INNER_API:
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abort(404)
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# get header 'X-Inner-Api-Key'
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inner_api_key = request.headers.get("X-Inner-Api-Key")
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if not inner_api_key or inner_api_key != dify_config.INNER_API_KEY:
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abort(401)
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return view(*args, **kwargs)
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return decorated
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def inner_api_user_auth(view):
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@wraps(view)
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def decorated(*args, **kwargs):
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if not dify_config.INNER_API:
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return view(*args, **kwargs)
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# get header 'X-Inner-Api-Key'
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authorization = request.headers.get("Authorization")
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if not authorization:
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return view(*args, **kwargs)
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parts = authorization.split(":")
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if len(parts) != 2:
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return view(*args, **kwargs)
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user_id, token = parts
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if " " in user_id:
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user_id = user_id.split(" ")[1]
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inner_api_key = request.headers.get("X-Inner-Api-Key")
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data_to_sign = f"DIFY {user_id}"
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signature = hmac_new(inner_api_key.encode("utf-8"), data_to_sign.encode("utf-8"), sha1)
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signature = b64encode(signature.digest()).decode("utf-8")
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if signature != token:
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return view(*args, **kwargs)
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kwargs["user"] = db.session.query(EndUser).filter(EndUser.id == user_id).first()
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return view(*args, **kwargs)
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return decorated
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