加密解密itsdangerous

安装

pip install itsdangerous

加密

from itsdangerous import TimedJSONWebSignatureSerializer as TJWSS

# 参数(加密的秘钥, 加密的时间(秒))
tjwss = TJWSS('yyf', 20)  # Django中setting中自带了一个秘钥

# 加密的数据
data = {
    'id': 123,
}

# 加密数据, 但会bytes类型数据
token = tjwss.dumps(data).decode()
print(token)

# eyJhbGciOiJIUzUxMiIsImlhdCI6MTU2NTU3MDMxNCwiZXhwIjoxNTY1NTcwMzM0fQ.eyJpZCI6MTIzfQ.xlwK7Lx40IZAz2fU-g2YnlQPp3_daJNSYLnV6u23YOcgthq0Vd8447h3kj-iH_i0dzfuyHlc8_OB0fkpVtQhMw

 

解密

from itsdangerous import TimedJSONWebSignatureSerializer as TJWSS
from itsdangerous import SignatureExpired

tjwss = TJWSS('yyf')
# 过期会报异常, 使用try捕获
try:
    data = tjwss.loads('eyJhbGciOiJIUzUxMiIsImlhdCI6MTU2NTU3MDM5MCwiZXhwIjoxNTY1NTcwNDEwfQ.eyJpZCI6MTIzfQ.ANvZkCz7amoegwKSZOiGfAITFYo3IX2nx73b3MKvm7gYzA2UkbBytNqH2mdpwfAstnwz6DJMPtv1LbVW6lyH1g')
    print(data)
except SignatureExpired as e:
    print('token已过期')

# 成功
# {'id': 123}
# 异常
# itsdangerous.exc.SignatureExpired: Signature expired