| import json |
| import math |
| import random |
| from xhs_utils.cookie_util import trans_cookies |
| from xhs_utils.signature import pc_call, xray_call |
|
|
| def generate_x_b3_traceid(len=16): |
| x_b3_traceid = "" |
| for t in range(len): |
| x_b3_traceid += "abcdef0123456789"[math.floor(16 * random.random())] |
| return x_b3_traceid |
|
|
| def generate_xs_xs_common(a1, api, data='', method='POST'): |
| ret = pc_call('get_request_headers_params', api, data, a1, method) |
| xs, xt, xs_common = ret['xs'], ret['xt'], ret['xs_common'] |
| return xs, xt, xs_common |
|
|
| def generate_xs(a1, api, data=''): |
| ret = pc_call('get_xs', api, data, a1) |
| xs, xt = ret['X-s'], ret['X-t'] |
| return xs, xt |
|
|
| def generate_xray_traceid(): |
| return xray_call('traceId') |
| def get_common_headers(): |
| return { |
| "authority": "www.xiaohongshu.com", |
| "accept": "text/html,application/xhtml+xml,application/xml;q=0.9,image/avif,image/webp,image/apng,*/*;q=0.8,application/signed-exchange;v=b3;q=0.7", |
| "accept-language": "zh-CN,zh;q=0.9", |
| "cache-control": "no-cache", |
| "pragma": "no-cache", |
| "referer": "https://www.xiaohongshu.com/", |
| "sec-ch-ua": "\"Chromium\";v=\"122\", \"Not(A:Brand\";v=\"24\", \"Google Chrome\";v=\"122\"", |
| "sec-ch-ua-mobile": "?0", |
| "sec-ch-ua-platform": "\"Windows\"", |
| "sec-fetch-dest": "document", |
| "sec-fetch-mode": "navigate", |
| "sec-fetch-site": "same-origin", |
| "sec-fetch-user": "?1", |
| "upgrade-insecure-requests": "1", |
| "user-agent": "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/122.0.0.0 Safari/537.36" |
| } |
| def get_request_headers_template(): |
| return { |
| "authority": "edith.xiaohongshu.com", |
| "accept": "application/json, text/plain, */*", |
| "accept-language": "zh-CN,zh;q=0.9,en;q=0.8,en-GB;q=0.7,en-US;q=0.6", |
| "cache-control": "no-cache", |
| "content-type": "application/json;charset=UTF-8", |
| "origin": "https://www.xiaohongshu.com", |
| "pragma": "no-cache", |
| "referer": "https://www.xiaohongshu.com/", |
| "sec-ch-ua": "\"Not A(Brand\";v=\"99\", \"Microsoft Edge\";v=\"121\", \"Chromium\";v=\"121\"", |
| "sec-ch-ua-mobile": "?0", |
| "sec-ch-ua-platform": "\"Windows\"", |
| "sec-fetch-dest": "empty", |
| "sec-fetch-mode": "cors", |
| "sec-fetch-site": "same-site", |
| "user-agent": "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/121.0.0.0 Safari/537.36 Edg/121.0.0.0", |
| "x-b3-traceid": "", |
| "x-mns": "unload", |
| "x-s": "", |
| "x-s-common": "", |
| "x-t": "", |
| "x-xray-traceid": generate_xray_traceid() |
| } |
|
|
| def generate_headers(a1, api, data='', method='POST'): |
| xs, xt, xs_common = generate_xs_xs_common(a1, api, data, method) |
| x_b3_traceid = generate_x_b3_traceid() |
| headers = get_request_headers_template() |
| headers['x-s'] = xs |
| headers['x-t'] = str(xt) |
| headers['x-s-common'] = xs_common |
| headers['x-b3-traceid'] = x_b3_traceid |
| if data: |
| data = json.dumps(data, separators=(',', ':'), ensure_ascii=False) |
| return headers, data |
|
|
| def generate_request_params(cookies_str, api, data='', method='POST'): |
| cookies = trans_cookies(cookies_str) |
| a1 = cookies['a1'] |
| headers, data = generate_headers(a1, api, data, method) |
| return headers, cookies, data |
|
|
| def splice_str(api, params): |
| url = api + '?' |
| for key, value in params.items(): |
| if value is None: |
| value = '' |
| url += key + '=' + value + '&' |
| return url[:-1] |
|
|
