models.py 2.0 KB
# coding=utf-8

import os
from flask_sqlalchemy import SQLAlchemy
import glob
import traceback
from pyDes import des, PAD_PKCS5, ECB

import base64
from gmssl import sm3, func, sm2


class SM3():
    @classmethod
    def encode(self, data=""):
        by_str = bytes(data, 'utf-8')
        result = (sm3.sm3_hash(func.bytes_to_list(by_str)))
        return result


class SM2():
    privatekey = "EOpBYj1pH54b8BsAlkON71Q2c2FXEm+VTPNCgxz4+gVZ2C/pF/Bv152Qj3QH7cBRCUlNeO5SkI02DcwTASmVwESzR4F9IbMvUNxkDngINdcwaSWCTaaRTstNd4FIlJ0CqhDl/TPHFuBoRNBgUDfPJFfl7XYHs4VmOcrp02aXv8Q="
    publickey = "MFkwEwYHKoZIzj0CAQYIKoEcz1UBgi0DQgAEsENe/8Sft6rK0h59t2a/6Pf4nzvxvJzc1SzalZe1xSDtUqW/10E/e+RjRbvykyjKzu3vAY1lwv9aU2Tnp6+isw=="
    sm2_crypt = sm2.CryptSM2(public_key=publickey, private_key=privatekey)

    @classmethod
    def decode(self, ciphertxt):
        return self.sm2_crypt.decrypt(ciphertxt)

    @classmethod
    def encode(self, plaintxt):
        return self.sm2_crypt.encrypt(plaintxt)


class DES():
    '''
    DES密码加解密
    '''
    Des: des = des("Chinadci", ECB, "\0\0\0\0\0\0\0\0",
                   pad=None, padmode=PAD_PKCS5)

    @classmethod
    def encode(cls, data):
        return str(base64.b64encode(cls.Des.encrypt(data)), encoding="utf8")

    @classmethod
    def decode(cls, data):
        if data:
            return str(cls.Des.decrypt(base64.b64decode(data.encode("utf-8"))), encoding="utf8")

        else:
            return data


db = SQLAlchemy()

# 动态加载Model
current_dir = os.path.abspath(os.path.dirname(__file__))
pkgs = list(glob.glob('%s/modules/*/models' % (current_dir)))
pkgs.extend(list(glob.glob('%s/modules/*/*/models' % (current_dir))))

for pkg in pkgs:
    pkg = os.path.normpath(pkg)
    node_list = pkg.split(os.path.sep)
    pkg_name = "app.{}".format(
        ".".join(node_list[node_list.index("modules"):]))
    try:
        if pkg_name.__contains__("models"):
            __import__(pkg_name)
    except Exception as e:
        print(traceback.format_exc())
        pass