阿里云短信api url构造

aliyun_sms_api.py

import base64
import datetime
import hashlib
import hmac
import json
import urllib.parse
import uuid

access_key_id = ''
access_secret = ''
# 替换上边两个参数


system_params = {
    'SignatureMethod': 'HMAC-SHA1',
    'SignatureVersion': '1.0',
    'AccessKeyId': access_key_id
}

business_params = {
    'Action': 'SendSms',
    'Version': '2017-05-25',
    'RegionId': 'cn-hangzhou',
}


def generate_api_url(template_code, sign_name, phone_numbers, template_params):
    """

    :param template_code: 短信模板编号
    :param sign_name: 短信签名
    :param phone_numbers: 收信人，可以是结合、列表、字符串
    :param template_params: 短信模板参数
    :return: 调用URL
    """
    assert sign_name is not None and isinstance(sign_name, str), '签名参数不合法'
    assert template_code is not None and isinstance(template_code, str), '模板参数不合法'
    assert phone_numbers is not None and (
            isinstance(phone_numbers, set) or
            isinstance(phone_numbers, list) or
            isinstance(phone_numbers, str)
    ), '手机号码不合法'
    assert template_params is not None and (
            isinstance(template_params, dict) or
            isinstance(template_params, str)
    ), '模板参数不合法'

    params = dict()
    params.update(system_params)
    params.update(business_params)

    params['SignatureNonce'] = str(uuid.uuid1())
    params['SignName'] = sign_name
    params['TemplateCode'] = template_code
    dt = datetime.datetime.now(datetime.timezone(datetime.timedelta(hours=0), 'GMT'))
    params['Timestamp'] = dt.strftime('%Y-%m-%dT%H:%M:%SZ')

    if isinstance(phone_numbers, set) or isinstance(phone_numbers, list):
        params['PhoneNumbers'] = ','.join(phone_numbers)
    else:
        params['PhoneNumbers'] = phone_numbers

    if isinstance(template_params, dict):
        params['TemplateParam'] = json.dumps(template_params, separators=(',', ':'))
    else:
        params['TemplateParam'] = template_params

    sorted_params = sorted([(key, val) for key, val in params.items()], key=lambda t: t[0])
    query_string = urllib.parse.urlencode(sorted_params)
    query_string2 = urllib.parse.quote(query_string, safe='')
    string_to_sign = 'GET&%%2F&%s' % (query_string2)
    hmac_sha1 = hmac.new(
        bytes(access_secret + '&', encoding='utf-8'),
        bytes(string_to_sign, encoding='utf-8'),
        hashlib.sha1
    )
    temp_sign = hmac_sha1.digest()
    base64_sign = base64.standard_b64encode(temp_sign)
    encode_sign = urllib.parse.quote(base64_sign, safe='')
    url = 'http://dysmsapi.aliyuncs.com/?Signature=%s&%s' % (encode_sign, query_string)
    return url


# if __name__ == '__main__':
#     params = "{\"date\":\"2018-08-23\",\"type\":\"洪水灾害\"}"
#     print(generate_api_url('SMS_142950219', '新视野', '13070175160', params))