mirror of
https://github.com/1Panel-dev/MaxKB.git
synced 2025-12-26 10:12:51 +00:00
103 lines
3.0 KiB
Python
103 lines
3.0 KiB
Python
# coding=utf-8
|
||
"""
|
||
@project: maxkb
|
||
@Author：虎
|
||
@file： rsa_util.py
|
||
@date：2023/11/3 11:13
|
||
@desc:
|
||
"""
|
||
import base64
|
||
import threading
|
||
|
||
from Crypto.Cipher import PKCS1_v1_5 as PKCS1_cipher
|
||
from Crypto.PublicKey import RSA
|
||
from django.core import cache
|
||
from django.db.models import QuerySet
|
||
|
||
from setting.models import SystemSetting, SettingType
|
||
|
||
lock = threading.Lock()
|
||
rsa_cache = cache.caches['default']
|
||
cache_key = "rsa_key"
|
||
# 对密钥加密的密码
|
||
secret_code = "mac_kb_password"
|
||
|
||
|
||
def generate():
|
||
"""
|
||
生成 私钥秘钥对
|
||
:return:{key:'公钥',value:'私钥'}
|
||
"""
|
||
# 生成一个 2048 位的密钥
|
||
key = RSA.generate(2048)
|
||
|
||
# 获取私钥
|
||
encrypted_key = key.export_key(passphrase=secret_code, pkcs=8,
|
||
protection="scryptAndAES128-CBC")
|
||
return {'key': key.publickey().export_key(), 'value': encrypted_key}
|
||
|
||
|
||
def get_key_pair():
|
||
rsa_value = rsa_cache.get(cache_key)
|
||
if rsa_value is None:
|
||
lock.acquire()
|
||
rsa_value = rsa_cache.get(cache_key)
|
||
if rsa_value is not None:
|
||
return rsa_value
|
||
try:
|
||
rsa_value = get_key_pair_by_sql()
|
||
rsa_cache.set(cache_key, rsa_value)
|
||
finally:
|
||
lock.release()
|
||
return rsa_value
|
||
|
||
|
||
def get_key_pair_by_sql():
|
||
system_setting = QuerySet(SystemSetting).filter(type=SettingType.RSA.value).first()
|
||
if system_setting is None:
|
||
kv = generate()
|
||
system_setting = SystemSetting(type=SettingType.RSA.value,
|
||
meta={'key': kv.get('key').decode(), 'value': kv.get('value').decode()})
|
||
system_setting.save()
|
||
return system_setting.meta
|
||
|
||
|
||
# def get_key_pair():
|
||
# if not os.path.exists("/opt/maxkb/conf/receiver.pem"):
|
||
# kv = generate()
|
||
# private_file_out = open("/opt/maxkb/conf/private.pem", "wb")
|
||
# private_file_out.write(kv.get('value'))
|
||
# private_file_out.close()
|
||
# receiver_file_out = open("/opt/maxkb/conf/receiver.pem", "wb")
|
||
# receiver_file_out.write(kv.get('key'))
|
||
# receiver_file_out.close()
|
||
# return {'key': open("/opt/maxkb/conf/receiver.pem").read(), 'value': open("/opt/maxkb/conf/private.pem").read()}
|
||
|
||
|
||
def encrypt(msg, public_key: str | None = None):
|
||
"""
|
||
加密
|
||
:param msg: 加密数据
|
||
:param public_key: 公钥
|
||
:return: 加密后的数据
|
||
"""
|
||
if public_key is None:
|
||
public_key = get_key_pair().get('key')
|
||
cipher = PKCS1_cipher.new(RSA.importKey(public_key))
|
||
encrypt_msg = cipher.encrypt(msg.encode("utf-8"))
|
||
return base64.b64encode(encrypt_msg).decode()
|
||
|
||
|
||
def decrypt(msg, pri_key: str | None = None):
|
||
"""
|
||
解密
|
||
:param msg: 需要解密的数据
|
||
:param pri_key: 私钥
|
||
:return: 解密后数据
|
||
"""
|
||
if pri_key is None:
|
||
pri_key = get_key_pair().get('value')
|
||
cipher = PKCS1_cipher.new(RSA.importKey(pri_key, passphrase=secret_code))
|
||
decrypt_data = cipher.decrypt(base64.b64decode(msg), 0)
|
||
return decrypt_data.decode("utf-8")
|