129 lines
3.3 KiB
Python
129 lines
3.3 KiB
Python
import functools
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import time
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from flask import request
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from itsdangerous import TimedJSONWebSignatureSerializer as Serializer, BadSignature, SignatureExpired
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from DBHelper.MongoHelper import MongoHelper
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from common.rsa import decrypt_data
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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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secret_key = '0FTuOi^#Afx1@2@F'
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token_expire = 14400
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s = Serializer(secret_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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"""
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secret_key = '0FTuOi^#Afx1@2@F'
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@functools.wraps(func)
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def internal(*args, **kwargs):
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# 检查token
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try:
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token = request.headers.get('token')
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s = Serializer(secret_key)
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cid = s.loads(token)['cid']
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except TypeError:
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return {"info": "参数错误"}, 401
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except KeyError:
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return {"info": "参数错误"}, 401
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except BadSignature:
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return {"info": "token错误"}, 401
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except SignatureExpired:
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return {"info": "token过期"}, 401
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# 通过以上检查 返回原函数
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return func(*args, **kwargs, cid=cid)
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# 返回包装函数结果
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return internal
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def check_block(func):
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"""
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检查滑块是否通过
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注: 前端发送的滑块校验码是rsa加密的时间戳，若时间戳间隔小于3秒则校验通过
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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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verify_code = decrypt_data(encrypt_msg=request.headers.get('block'))
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if (time.time() - float(verify_code)/1000) > 3:
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return {"info": "滑块校验失败"}, 400
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except TypeError:
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return {"info": "缺少滑块验证"}, 400
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except ValueError:
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return {"info": "滑块验证异常"}, 400
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return func(*args, **kwargs)
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return internal
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def verify_report_view_auth(func):
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"""
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检查是否具有报告查看权限
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"""
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db = MongoHelper("tfse_v0.21")
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@functools.wraps(func)
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def internal(*args, **kwargs):
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file_id = request.args.get('file_id')
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records = db.find_all_data(
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"企业数据",
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"评级记录",
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{"企业ID": kwargs['cid']},
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["报告fid", "证书fid"]
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)
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if not records:
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return {"info": "没有找到文件"}, 200
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file_id_pool = list()
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for record in records:
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for a_file_id in list(record.values()):
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file_id_pool.append(a_file_id)
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file_id_pool = list(filter(None, file_id_pool))
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if file_id not in file_id_pool:
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return {"info": "文件不存在或无访问权限"}, 200
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return func(*args, **kwargs)
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return internal
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def verify_real_company(func):
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db = MongoHelper("tfse_v0.21")
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@functools.wraps(func)
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def internal(*args, **kwargs):
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verify_status = db.find_single_column(
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"应用端",
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"企业用户",
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{"企业ID": kwargs['cid']},
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"已认证"
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)
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if verify_status == "是":
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return func(*args, **kwargs)
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else:
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return {"info": "该企业未认证"}, 200
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return internal
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