腾讯云人脸核身后端API——python
2021/10/13 17:14:17
本文主要是介绍腾讯云人脸核身后端API——python,对大家解决编程问题具有一定的参考价值,需要的程序猿们随着小编来一起学习吧!
import json, random, requests, hashlib, traceback # 配置 FACERECOGNITION_SETTING = { 'access_token_usl': "https://miniprogram-kyc.tencentcloudapi.com/api/oauth2/access_token", 'SIGN_ticket_usl': "https://miniprogram-kyc.tencentcloudapi.com/api/oauth2/api_ticket", 'getfaceid': "https://miniprogram-kyc.tencentcloudapi.com/api/server/getfaceid?orderNo=", 'NONCE_ticket_url': 'https://miniprogram-kyc.tencentcloudapi.com/api/oauth2/api_ticket', 'app_id': "app_id", # 腾讯云提供 'secret': "secret", # 腾讯云提供 'version': '1.0.0', } r = redis链接 class FacerecognitionBase: """ 继承Facerecognition 调用 self.get_data(self, serId, userName, idNo) return: { "faceId": faceId, "webankAppId": webankAppId, "orderNo": orderNo, "nonce": nonce, "sign": sign } """ access_token_usl = FACERECOGNITION_SETTING['access_token_usl'] SIGN_ticket_usl = FACERECOGNITION_SETTING['SIGN_ticket_usl'] getfaceid = FACERECOGNITION_SETTING['getfaceid'] NONCE_ticket_url = FACERECOGNITION_SETTING['NONCE_ticket_url'] app_id = FACERECOGNITION_SETTING['app_id'] secret = FACERECOGNITION_SETTING['secret'] version = FACERECOGNITION_SETTING['version'] # 获取access_token def __get_access_token(self): access_token = r.get('access_token') if not access_token: data = { "app_id": self.app_id, "secret": self.secret, "grant_type": 'client_credential', "version": self.version, } msg = requests.get(self.access_token_usl, data) msg = json.loads(msg.text) # msg = { # "code": "0", # "msg": "请求成功", # 请求结果描述 # "transactionTime": "20151022043831", # 调用接口的时间 # "access_token": "accessToken_string", # access_token 的值 # "expire_time": "20151022043831", # access_token 失效的绝对时间 # "expire_in": "7200" # access_token 的最大生存时间 # } if msg['code'] != '0': print("access_token:\n", '%s\n' % data, msg) raise Exception(msg['msg']) r.set('access_token', msg['access_token']) r.expire('access_token', int(msg['expire_in']) - 10) access_token = msg['access_token'] return access_token # 获取SIGN_ticket def __get_SIGN_ticket(self): SIGN_ticket = r.get('SIGN_ticket') if not SIGN_ticket: access_token = self.__get_access_token() data = { "app_id": self.app_id, "access_token": access_token, "type": 'SIGN', "version": self.version, } msg = requests.get(self.SIGN_ticket_usl, data) msg = json.loads(msg.text) # msg = { # "code": "0", # "msg": "请求成功", # 请求结果描述 # "transactionTime": "20151022044027", # 调用接口的时间 # "tickets": [ # ticket 返回数组 # { # "value": "ticket_string", # ticket 的值 # "expire_in": "3600", # ticket 失效的绝对时间 # "expire_time": "20151022044027" # ticket 的最大生存时间 # } # ] # } if msg['code'] != '0': print("SIGN_ticket:\n", '%s\n' % data, msg) raise Exception(msg['msg']) else: r.set('SIGN_ticket', msg['tickets'][0]['value']) r.expire('SIGN_ticket', int(msg['tickets'][0]['expire_in']) - 10) SIGN_ticket = msg['tickets'][0]['value'] return SIGN_ticket # 生成随机数 def get_nonce(self, num=32): return ''.join((str(random.choice([random.randint(0, 9), chr(random.randint(65, 90)), chr(random.randint(97, 122))])) for i in range(num))) # 生成签名 def __get_sign(self, userId, ticket): l = [self.version, self.app_id, ticket, self.nonce, userId] l.sort() info = ''.join(l) s1 = hashlib.sha1() s1.update(info.encode("utf-8")) # 转码(字节流) return s1.hexdigest() # 将字节码转成16进制 # 获取NONCE_ticket def __get_NONCE_ticket(self, user_id): data = { "app_id": self.app_id, "access_token": self.__get_access_token(), "type": 'NONCE', "version": self.version, "user_id": user_id, } msg = requests.get(self.NONCE_ticket_url, data) msg = json.loads(msg.text) if msg['code'] != "0": print("NONCE_ticket:\n", '%s\n' % data, msg) raise Exception(msg['msg']) return msg['tickets'][0]['value'] # nonce加密签名 def nonce_sign(self, userId): return self.__get_sign(userId, self.__get_NONCE_ticket(userId)) # 获取faceId def get_faceId(self, userId, name, idNo): self.nonce = self.get_nonce() self.orderNo = self.get_nonce() self.sign = self.__get_sign(userId, self.__get_SIGN_ticket()) data = { "webankAppId": self.app_id, # wbappid "orderNo": self.orderNo, # 订单号 "name": name, # 姓名 "idNo": idNo, # 证件号码 "userId": userId, # 用户 ID "version": self.version, "sign": self.sign, # 签名:使用上面生成的签名 "nonce": self.nonce, # 随机数 } url = self.getfaceid + self.orderNo msg = requests.post(url, json=data) msg = json.loads(msg.text) if msg.get('code') != "0": raise Exception('获取faceId错误\n%s' % msg['error']) return msg['result']['faceId'] # 获取信息 def get_data(self, serId, userName, idNo): userId = userId # 用户Id,自己生成 userName = userName # 用户身份证名字 idNo = idNo # 用户身份证号 try: msg = self.get_faceId(userId, userName, idNo) except Exception as e: return {'e': e.__str__(), "Exception": traceback.format_exc()} return { "faceId": msg, "webankAppId": self.app_id, "orderNo": self.orderNo, "nonce": self.nonce, "sign": self.nonce_sign(userId) }
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