''' Function: Implementation of LanZouYParser Author: Zhenchao Jin WeChat Official Account (微信公众号): Charles的皮卡丘 ''' from __future__ import annotations import re import json import random import requests from urllib.parse import urljoin, urlparse '''LanZouYParser''' class LanZouYParser(): '''parsefromurl''' @staticmethod def parsefromurl(url: str, passcode: str = '', max_tries: int = 3): for _ in range(max_tries): try: download_result, download_url = LanZouYParser._parsefromurl(url=url, passcode=passcode) assert download_url and str(download_url).startswith('http') break except: download_result, download_url = {}, "" if not download_url or not str(download_url).startswith('http'): file_id = urlparse(url).path.strip('/').split('/')[-1] headers = {'User-Agent': 'Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/144.0.0.0 Safari/537.36'} try: resp = requests.get(f'https://api-v2.cenguigui.cn/api/lanzou/api.php?url=https://cenguigui.lanzouw.com/{file_id}', headers=headers) download_result = resp.json() download_url = download_result['data']['downurl'] assert download_url and str(download_url).startswith('http') break except: download_result, download_url = {}, "" return download_result, download_url '''_randip''' @staticmethod def _randip() -> str: ip2 = round(random.randint(600000, 2550000) / 10000) ip3 = round(random.randint(600000, 2550000) / 10000) ip4 = round(random.randint(600000, 2550000) / 10000) arr1 = ["218", "218", "66", "66", "218", "218", "60", "60", "202", "204", "66", "66", "66", "59", "61", "60", "222", "221", "66", "59", "60", "60", "66", "218", "218", "62", "63", "64", "66", "66", "122", "211"] ip1 = random.choice(arr1) return f"{ip1}.{ip2}.{ip3}.{ip4}" '''_httpget''' @staticmethod def _httpget(url: str, user_agent: str = "", referer: str = "", cookies: dict = None, timeout: int = 10) -> str: headers = {"X-FORWARDED-FOR": LanZouYParser._randip(), "CLIENT-IP": LanZouYParser._randip()} if user_agent: headers["User-Agent"] = user_agent if referer: headers["Referer"] = referer resp = requests.get(url, headers=headers, cookies=cookies, timeout=timeout, verify=False, allow_redirects=True) resp.raise_for_status() resp.encoding = resp.apparent_encoding or "utf-8" return resp.text '''_httppost''' @staticmethod def _httppost(data: dict, url: str, referer: str = "", user_agent: str = "", timeout: int = 10) -> str: headers = {"X-FORWARDED-FOR": LanZouYParser._randip(), "CLIENT-IP": LanZouYParser._randip()} if user_agent: headers["User-Agent"] = user_agent if referer: headers["Referer"] = referer resp = requests.post(url, data=data, headers=headers, timeout=timeout, verify=False, allow_redirects=True) resp.raise_for_status() resp.encoding = resp.apparent_encoding or "utf-8" return resp.text '''_httpredirecturl''' @staticmethod def _httpredirecturl(url: str, referer: str, user_agent: str, cookie_str: str, timeout: int = 10) -> str: headers = { "Accept": "text/html,application/xhtml+xml,application/xml;q=0.9,image/webp,image/apng,*/*;q=0.8", "Accept-Encoding": "gzip, deflate", "Accept-Language": "zh-CN,zh;q=0.9", "Cache-Control": "no-cache", "Connection": "keep-alive", "Pragma": "no-cache", "Upgrade-Insecure-Requests": "1", "User-Agent": user_agent, "Referer": referer, "Cookie": cookie_str, } resp = requests.get(url, headers=headers, timeout=timeout, verify=False, allow_redirects=False) resp.raise_for_status() loc = resp.headers.get("Location", "") or resp.headers.get("location", "") if not loc: return "" return urljoin(url, loc) '''_acwscv2simple''' @staticmethod def _acwscv2simple(arg1: str): if not arg1: return "" mask = "3000176000856006061501533003690027800375" pos_list = (15, 35, 29, 24, 33, 16, 1, 38, 10, 9, 19, 31, 40, 27, 22, 23, 25, 13, 6, 11, 39, 18, 20, 8, 14, 21, 32, 26, 2, 30, 7, 4, 17, 5, 3, 28, 34, 37, 12, 36) arg2 = "".join(arg1[p - 1] for p in pos_list if p <= len(arg1)) length = min(len(arg2), len(mask)) return "".join(f"{(int(arg2[i:i+2], 16) ^ int(mask[i:i+2], 16)):02x}" for i in range(0, length, 2)) '''_parsefromurl''' @staticmethod def _parsefromurl(url: str, passcode: str = ''): # init download_result, user_agent = {}, "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/143.0.0.0 Safari/537.36" normalize_lanzou_url_func = lambda u: ("https://www.lanzouf.com/" + t.lstrip("/") if (t := (u.split(".com/", 1)[1] if ".com/" in u else None)) is not None else ("https://www.lanzouf.com" + u) if u.startswith("/") else u if u.startswith("http") else "https://www.lanzouf.com/" + u.lstrip("/")) extract_first_func = lambda regex_list, text: next((m.group(1) for rgx in regex_list if (m := re.search(rgx, text, flags=re.S))), "") # vist home page url = normalize_lanzou_url_func(url) homepage_url_html = LanZouYParser._httpget(url, user_agent=user_agent) if "文件取消分享了" in homepage_url_html: raise soft_name = extract_first_func([r'style="font-size: 30px;text-align: center;padding: 56px 0px 20px 0px;">(.*?)', r'
(.*?)
', r"var filename = '(.*?)';", r'div class="b">(.*?)'], homepage_url_html) soft_size = extract_first_func([r'
大小：(.*?)
', r'文件大小：(.*?)
'], homepage_url_html) # with passcode if "function down_p(){" in homepage_url_html: segment = re.findall(r"'sign':'(.*?)',", homepage_url_html, flags=re.S) ajaxm = re.findall(r"ajaxm\.php\?file=\d+", homepage_url_html, flags=re.S) assert not (len(segment) < 2 or len(ajaxm) < 1) post_data = {"action": "downprocess", "sign": segment[1], "p": passcode, "kd": 1} post_url = "https://www.lanzouf.com/" + ajaxm[0] parse_result = LanZouYParser._httppost(post_data, post_url, referer=url, user_agent=user_agent) parse_result: dict = json.loads(parse_result) soft_name = parse_result.get("inf") or soft_name # without passcode else: link = extract_first_func([r'\n