# ------------------------------------------------------------------ # Step 2 – safely evaluate the arithmetic expression. # ------------------------------------------------------------------ # Only allow numbers, +, -, *, /, % and parentheses. safe_expr = re.sub(r"[^0-9+\-*/%()]", "", expr) try: value = eval(safe_expr, "__builtins__": None, {}) except Exception as exc: raise ValueError(f"Failed to evaluate expression 'expr': exc")
import requests from bs4 import BeautifulSoup
# ------------------------------------------------------------------ # Step 1 – isolate the static prefix, the arithmetic expression, # and the suffix (filename) from the JavaScript. # ------------------------------------------------------------------ # Example raw_href: # "/d/abcd1234/" + (12345+6789) + "/my%20file.zip" # # Regex groups: # 1 – static part before the '+' # 2 – the arithmetic expression inside the parentheses # 3 – the suffix (including the leading '/') # pattern = re.compile( r'''(?P<prefix>[^"]+?)\s*\+\s*\(\s*(?P<expr>[^)]+?)\s*\)\s*\+\s*(?P<suffix>/.+)''' ) m = pattern.search(raw_href) if not m: # Occasionally the page already contains a plain URL (no JS). Return it directly. if raw_href.startswith("/"): return urllib.parse.urljoin(base_url, raw_href) else: return raw_href
HEADERS = # Some Zippyshare pages block generic Python user‑agents. "User-Agent": ( "Mozilla/5.0 (Windows NT 10.0; Win64; x64) " "AppleWebKit/537.36 (KHTML, like Gecko) " "Chrome/124.0.0.0 Safari/537.36" ) https- www20.zippyshare.com v n4rmtRBb file.html
var a = document.getElementById('dlbutton'); a.href = "/d/xxxxxxxx/" + (12345 + 6789) + "/filename.ext";
prefix = m.group("prefix") expr = m.group("expr") suffix = m.group("suffix")
# ------------------------------------------------------------------ # 1️⃣ Fetch the page # ------------------------------------------------------------------ try: page_html = fetch_page(args.url) except Exception as exc: sys.exit(f"[❌] Failed to fetch page: exc") "User-Agent": ( "Mozilla/5
def extract_download_url(page_html: str, base_url: str) -> str: """ Zippyshare builds the final URL with a tiny JavaScript snippet like:
# ------------------------------------------------------------------ # Step 3 – re‑assemble the full path. # ------------------------------------------------------------------ final_path = f"prefixvaluesuffix" direct_url = urllib.parse.urljoin(base_url, final_path) return direct_url
import argparse import os import re import sys import urllib.parse dl_button = soup.find("a"
def download_file(url: str, out_dir: str = "."): """Stream‑download the file to the given directory.""" local_filename = os.path.basename(urllib.parse.unquote(url.split("/")[-1])) out_path = os.path.join(out_dir, local_filename)
The script extracts the numeric expression, evaluates it, and combines everything into a proper URL. """ soup = BeautifulSoup(page_html, "html.parser") # The <a id="dlbutton"> is the element we care about. dl_button = soup.find("a", id="dlbutton") if not dl_button: raise ValueError("Could not locate the download button on the page.")
Example: python zippyshare_dl.py https://www20.zippyshare.com/v/n4rmtRBb/file.html --download """
with open(out_path, "wb") as f: downloaded = 0 for chunk in r.iter_content(chunk_size=8192): if chunk: f.write(chunk) downloaded += len(chunk) if total: pct = downloaded * 100 / total print(f"\rpct:5.1f% (downloaded/1e6:.2f MiB)", end="", flush=True) print("\nDone →", out_path)
def main(): parser = argparse.ArgumentParser( description="Resolve a Zippyshare page URL to a direct download link (and optionally download it)." ) parser.add_argument("url", help="Zippyshare page URL (e.g. https://www20.zippyshare.com/v/xxxx/file.html)") parser.add_argument("--download", action="store_true", help="Download the file after resolving the link.") parser.add_argument("--out", default=".", help="Output directory for the downloaded file (default: current folder).") args = parser.parse_args()