亚欧色一区w666天堂,色情一区二区三区免费看,少妇特黄A片一区二区三区,亚洲人成网站999久久久综合,国产av熟女一区二区三区

import hmac

import base64

import hashlib

import json

import time

import uuid

import requests

from urllib.parse import urlparse

def sha256 (content):

x = hashlib.sha256()

x.update(content.encode())

return x.hexdigest().upper()

def hmac_sha256 (key, content):

sign = hmac.new(key, content, digestmod="sha256").digest()

ret = base64.b64encode(sign)

return ret

# 計算簽名

def get_signature (ak, sk, app_key, params):

*# 創建待簽名字符串*

*# 一、header部分*

*# 主要包括3個header需要作為簽名內容：appkey、ctyun-eop-request-id、eop-date*

*# 1. 首先通過uuid生成ctyun-eop-request-id*

request_id = str(uuid.uuid1())

*# 2. 獲取當前時間戳并對時間進行格式化*

now_time = time.localtime()

eop_date = time.strftime("%Y%m%dT%H%M%SZ", now_time)

eop_date_simple = time.strftime("%Y%m%d", now_time)

*# 3. 對header部分按照字母順序進行排序并格式化*

camp_header = "appkey:{0}\nctyun-eop-request-id:{1}\neop-date:{2}\n".format(app_key, request_id, eop_date)

*# 二、query部分*

*# 對url的query部分進行排序*

parsed_url = urlparse(request_url)

query = parsed_url.query

query_params =  **sorted** (query.split("&"))

after_query = ""

for query_param in query_params:

    if  **len** (after_query) < 1:

        after_query += query_param

    else:

        after_query += "&" + query_param

*# 三、body參數進行sha256摘要*

*# sha256 body*

content_hash = sha256(json.dumps(params)).lower()

*# 完成創建待簽名字符串*

pre_signature = camp_header + "\n" + after_query + "\n" + content_hash

*# 構造動態密鑰*

k_time = hmac_sha256(sk.encode("utf-8"), eop_date.encode("utf-8"))

k_ak = hmac_sha256(base64.b64decode(k_time), ak.encode("utf-8"))

k_date = hmac_sha256(base64.b64decode(k_ak), eop_date_simple.encode("utf-8"))

*# 簽名的使用*

signature = hmac_sha256(base64.b64decode(k_date), pre_signature.encode("utf-8"))

*# 將數據整合得到真正的header中的內容*

sign_header = "{0} Headers=appkey;ctyun-eop-request-id;eop-date Signature={1}".format(ak, signature.decode())

*# 返回request-id eop-date和sign_header*

return request_id, eop_date, sign_header

# 向服務發送請求

def do_post (url, headers, params):

response = requests.post(url, data=json.dumps(params), headers=headers)

try:

     **print** (response.status_code)

     **print** (response.json())

except AttributeError:

     **print** ("請求失敗")

if name == 'main':

*# 請求地址，替換為請求能力的地址*

request_url = "//ai-global.ctapi.daliqc.cn/v1/aiop/api/2f6hqix09mv4/face/PERSON/person/detectFaceFromBase64"

*# 官網accessKey，登錄云網門戶，在“賬號中心”->“安全設置”->“登錄保護”->“用戶AccessKey”點擊“查看”獲取。*

ctyun_ak = 'accessKey'

*# 官網securityKey，登錄云網門戶，在“賬號中心”->“安全設置”->“登錄保護”->“用戶AccessKey”點擊“查看”獲取，securityKey只在創建時展示*

ctyun_sk = 'securityKey'

*#產品控制臺（//ai.daliqc.cn/console/apps/list）-我的應用中獲取的appKey*

ai_app_key = 'appKey'

*# body內容從本地文件中獲取*

*# 打開圖片文件*

f =  **open** (r'test.jpeg', 'rb')

img_base64 = base64.b64encode(f.read()).decode()

*# body內容，替換為請求能力的參數，具體參數參考能力的API文檔*

params = {"imageContent": img_base64}

*# 調用get_signature方法獲取簽名*

request_id, eop_date, sign_header = get_signature(ctyun_ak, ctyun_sk, ai_app_key, params)

*# 生成請求header*

*# 請求header*

headers = {

    'Content-Type': 'application/json;charset=UTF-8',

    'ctyun-eop-request-id': request_id,

    'appkey': ai_app_key,

    'Eop-Authorization': sign_header,

    'Eop-date': eop_date,

    'Host': 'ai-global.ctapi.daliqc.cn'

}

 **print** ("請求頭部:")

 **print** (headers)

*# 執行post請求*

do_post(request_url, headers, params)