京东滑块验证-Python调用+JS算法

import base64 import json import re import time from typing import Literal, Union, Tuple import ddddocr import execjs import requests Method = Literal['get', 'post'] URLS = [ 'https://iv.jd.com/slide/g.html', 'https://iv.jd.com/slide/s.html' ] class JD_Slide: # 请求方式 methodProcessors = { 'get': requests.get, 'post': requests.post } headers: dict = { 'User-Agent': 'Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/116.0.0.0 Safari/537.36' } cookies: dict = { # 此参数可以从浏览器中获取，固定 '3AB9D23F7A4B3C9B': '' } def ajax_request( self, url: str, method: Method, params: Union[dict, None] = None, jsonData: Union[dict, None] = None, retryTimes: int = 5, timeout: int = 10 ) -> requests.Response: methodProcessor = self.methodProcessors[method] for _ in range(retryTimes): try: response = methodProcessor( url=url, params=params, data=json.dumps(jsonData, ensure_ascii=False, separators=(',', ':')), timeout=timeout, headers=self.headers, cookies=self.cookies ) return response except requests.RequestException as e: print( f'出现错误: {e}', f'错误链接: {url}', f'正在重试: {_}/{retryTimes}', sep='\n' ) else: raise f'经过{retryTimes}次尝试仍然无法获取数据' def get_slide(self) -> Tuple[str, int]: def recognize_captcha(bg: bytes, patch: bytes): ocr = ddddocr.DdddOcr(det=False, ocr=False, show_ad=False) return ocr.slide_match(background_bytes=bg, target_bytes=patch, simple_target=True) params = { 'appId': '1604ebb2287', 'scene': 'login', 'product': 'click-bind-suspend', 'e': self.cookies['3AB9D23F7A4B3C9B'], 'j': '', 'lang': 'zh_CN', 'callback': 'jsonp_07985243061196063', } resp = self.ajax_request( url=URLS[0], params=params, jsonData=None, method='get' ) pattern = re.compile(r'\((.*)\)', re.S) picData: dict = json.loads(pattern.findall(resp.text)[0]) challenge: str = picData['challenge'] baseBG: str = picData['bg'] basePatch: str = picData['patch'] byteBG: bytes = base64.b64decode(baseBG) bytePatch: bytes = base64.b64decode(basePatch) result: dict = recognize_captcha(byteBG, bytePatch) distance: int = round(result.get('target', [])[0] * 278 / 360 + 23) return challenge, distance def do_slide(self): challenge, distance = self.get_slide() print(challenge, distance) time.sleep(5) trace = execjs.compile(open('jd.js', 'r', encoding='utf-8').read()).call('generate_trace', distance) params = { 'd': trace, 'c': challenge, 'w': '278', 'appId': '1604ebb2287', 'scene': 'login', 'product': 'click-bind-suspend', 'e': self.cookies['3AB9D23F7A4B3C9B'], 'j': '', 's': '3694159118904001942', 'o': '123456', 'o1': '0', 'u': 'https://passport.jd.com/new/login.aspx?ReturnUrl=https%3A%2F%2Fwww.jd.com%2F%3Fcountry%3DUSA', 'lang': 'zh_CN', 'callback': 'jsonp_07985243061196063', } resp = self.ajax_request( url=URLS[1], params=params, jsonData=None, method='get' ) print(resp.text) if __name__ == '__main__': jd = JD_Slide() for _ in range(10): jd.do_slide()