96 lines
2.6 KiB
Python
96 lines
2.6 KiB
Python
import functools
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from flask import request
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from itsdangerous import Serializer
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from itsdangerous import TimedJSONWebSignatureSerializer as Serializer, SignatureExpired, BadSignature
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from DBHelper.MongoHelperInstance import DB_GUA
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TOKEN_KEY = "P0eAym@&CbaQWWkq"
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TOKEN_EXPIRE = 60*60*8
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def create_token(param):
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"""
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创建token
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Parameters:
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param: 传入参数，用于创建token
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Returns:
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token: 用户访问令牌
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"""
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s = Serializer(TOKEN_KEY, expires_in=TOKEN_EXPIRE)
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token = '' + s.dumps(param).decode('ascii')
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return token
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def verify_token(func):
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"""
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校验token
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return:
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type:str
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desc: token被解析后的值
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"""
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@functools.wraps(func)
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def internal(*args, **kwargs):
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try:
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# step 1.1
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# 解析请求头传送的token
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s = Serializer(TOKEN_KEY)
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session_id = s.loads(request.headers.get('token'))
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# step 1.2
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# 请求头中没有token参数 返回错误提示
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if session_id is None:
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return {"info": "缺少token"}, 401
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# step 2.1
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# token解析成功 从token记录中查询session_id对应的uid
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uid = DB_GUA.find_single_column(
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"管理端",
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"token记录",
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{"会话ID": session_id},
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"用户ID"
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)
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# step 2.2
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# 根据session_id没有找到对应的uid 返回错误提示
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if not uid:
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return {"info": "提示: 账号已在别处登录"}, 401
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except TypeError:
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return {"info": "异常token"}, 401
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except KeyError:
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return {"info": "异常token"}, 401
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except BadSignature:
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return {"info": "错误token"}, 401
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except SignatureExpired:
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return {"info": "过期token"}, 401
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return func(*args, **kwargs, uid=uid)
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return internal
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def authority_scope(scope):
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def decorate(func):
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@functools.wraps(func)
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def internal(*args, ** kwargs):
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records = DB_GUA.find_single_data(
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"管理端",
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"用户",
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{"UID": kwargs['uid']},
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['status', 'role']
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)
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if not records:
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return {"info": "提示: 账户不存在"}, 401
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if records['status'] != "normal":
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return {"info": "提示: 账户已被禁用"}, 401
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if records['role'] not in scope:
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return {"info": "提示: 没有此项操作权限"}, 401
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return func(*args, ** kwargs)
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return internal
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return decorate
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