import hmac
from hashlib import sha1
import base64
import time
import uuid

import Config.Config


def make_sign(uri):
    """
    生成签名
    """

    # API访问密钥
    secret_key = Config.Config.LIBLIB_SECRETKEY

    # 当前毫秒时间戳
    timestamp = str(int(time.time() * 1000))
    # 随机字符串
    signature_nonce = str(uuid.uuid4())
    # 拼接请求数据
    content = '&'.join((uri, timestamp, signature_nonce))

    # 生成签名
    digest = hmac.new(secret_key.encode(), content.encode(), sha1).digest()
    # 移除为了补全base64位数而填充的尾部等号
    sign = base64.urlsafe_b64encode(digest).rstrip(b'=').decode()
    return sign, timestamp, signature_nonce


if __name__ == '__main__':
    uri = "/api/model/version/get"
    print(make_sign(uri))
    sign, timestamp, signature_nonce = make_sign(uri)
    url = f'{Config.Config.LIBLIB_URL}{uri}?AccessKey={Config.Config.LIBLIB_ACCESSKEY}&Signature={sign}&Timestamp={timestamp}&SignatureNonce={signature_nonce}'
    print(url)
    # Content-Type application/json
    # - 请求body：
    versionUuid="21df5d84cca74f7a885ba672b5a80d19"
    # 编写POST提交并接收返回值
    import requests
    response = requests.post(url, json={"versionUuid":versionUuid})
    print(response.json())