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| """Optional archived Telegram counters from the official TGStat API.""" | |
| import os | |
| import re | |
| import requests | |
| def archive_link(username, message_id): | |
| if not re.fullmatch(r"[A-Za-z][A-Za-z0-9_]{2,}", username) or not re.fullmatch(r"[1-9]\d*", str(message_id)): | |
| raise ValueError("Invalid public Telegram post") | |
| return f"https://tgstat.ru/channel/@{username}/{message_id}" | |
| def archived_post(username, message_id, fallback_title, get=requests.get): | |
| link = archive_link(username, message_id) | |
| token = os.getenv("TGSTAT_API_TOKEN", "").strip() | |
| if not token: | |
| return None | |
| # Do not scrape challenge pages or guess a number from unrelated page content. | |
| response = get("https://api.tgstat.ru/posts/get", params={ | |
| "token": token, "postId": f"https://t.me/{username}/{message_id}"}, | |
| timeout=(4, 8), allow_redirects=False) | |
| response.raise_for_status() | |
| data = response.json() | |
| post = data.get("response") | |
| if data.get("status") != "ok" or not isinstance(post, dict): | |
| return None | |
| views = post.get("views") | |
| if type(views) is not int or views < 0: | |
| return None | |
| source = str(post.get("link", "")).removeprefix("https://").removeprefix("http://") | |
| match = re.fullmatch(r"(?:t.me|telegram.me)/([A-Za-z][A-Za-z0-9_]{2,})/([1-9]\d*)/?", source) | |
| if not match or match[1].lower() != username.lower() or match[2] != str(message_id): | |
| return None | |
| return {"views": views, "title": f"{fallback_title} (TGStat)", "display_url": link, "source": "tgstat"} | |