75 lines
2.0 KiB
Python
75 lines
2.0 KiB
Python
import re
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import os
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import casbin
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import requests
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import pandas as pd
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from typing import Optional
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from fastapi import HTTPException, Header, Request
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from Utils.Authentication.TokenUtil import decode_token
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from Utils.UniqueCoder.TimeSerialNumUtils import create_time_serial_num
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def get_user_info_from_token(token: str):
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user_info = decode_token(token).get("user_info")
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if not user_info:
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raise HTTPException(status_code=400, detail="Invalid Token")
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return user_info
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def match_req_url(regex: str, request: Request):
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req_url = request.url.__str__()
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m = re.search(regex, req_url)
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if not m:
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raise HTTPException(status_code=400, detail="Invalid Request")
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return m
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def get_rap_by_name(name):
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url = "http://test.fecribd.com/api/user/role/role_access_policy/view?name={}"
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url = url.format(name)
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res = requests.post(url=url)
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return res.json()
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def rbac(request: Request, token: Optional[str] = Header(...)):
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user_info = get_user_info_from_token(token)
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sub = user_info.get("role")
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raps = get_rap_by_name(name=sub)
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req_url = request.url.__str__()
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if sub == "管理员":
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return True
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for rap in raps:
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regex = rap.get("obj")
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m = re.search(regex, req_url)
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if m:
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df = pd.json_normalize(raps)
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policy_file = create_time_serial_num(prefix="policy", suffix="")
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df.to_csv(r".\Utils\AccessControl\{}.csv".format(policy_file), header=False, index=False)
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e = casbin.Enforcer(
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os.getcwd() + r"\Utils\AccessControl\model.conf",
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os.getcwd() + r"\Utils\AccessControl\{}.csv".format(policy_file)
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)
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os.remove(r".\Utils\AccessControl\{}.csv".format(policy_file))
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obj = rap.get("obj")
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act = rap.get("act")
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if not e.enforce(sub, obj, act):
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raise HTTPException(status_code=202, detail="No Access")
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return True
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raise HTTPException(status_code=400, detail="Invalid Request")
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