Files
UnHided/mediaflow_proxy/extractors/F16Px.py
UrloMythus cfc6bbabc9 update
2026-02-19 20:15:03 +01:00

105 lines
3.6 KiB
Python

# https://github.com/Gujal00/ResolveURL/blob/55c7f66524ebd65bc1f88650614e627b00167fa0/script.module.resolveurl/lib/resolveurl/plugins/f16px.py
import base64
import json
import re
from typing import Dict, Any
from urllib.parse import urlparse
from mediaflow_proxy.extractors.base import BaseExtractor, ExtractorError
from mediaflow_proxy.utils import python_aesgcm
class F16PxExtractor(BaseExtractor):
def __init__(self, *args, **kwargs):
super().__init__(*args, **kwargs)
self.mediaflow_endpoint = "hls_manifest_proxy"
@staticmethod
def _b64url_decode(value: str) -> bytes:
# base64url -> base64
value = value.replace("-", "+").replace("_", "/")
padding = (-len(value)) % 4
if padding:
value += "=" * padding
return base64.b64decode(value)
def _join_key_parts(self, parts) -> bytes:
return b"".join(self._b64url_decode(p) for p in parts)
async def extract(self, url: str) -> Dict[str, Any]:
parsed = urlparse(url)
host = parsed.netloc
origin = f"{parsed.scheme}://{parsed.netloc}"
match = re.search(r"/e/([A-Za-z0-9]+)", parsed.path or "")
if not match:
raise ExtractorError("F16PX: Invalid embed URL")
media_id = match.group(1)
api_url = f"https://{host}/api/videos/{media_id}/embed/playback"
headers = self.base_headers.copy()
headers["referer"] = f"https://{host}/"
resp = await self._make_request(api_url, headers=headers)
try:
data = resp.json()
except Exception:
raise ExtractorError("F16PX: Invalid JSON response")
# Case 1: plain sources
if "sources" in data and data["sources"]:
src = data["sources"][0].get("url")
if not src:
raise ExtractorError("F16PX: Empty source URL")
return {
"destination_url": src,
"request_headers": headers,
"mediaflow_endpoint": self.mediaflow_endpoint,
}
# Case 2: encrypted playback
pb = data.get("playback")
if not pb:
raise ExtractorError("F16PX: No playback data")
try:
iv = self._b64url_decode(pb["iv"]) # nonce
key = self._join_key_parts(pb["key_parts"]) # AES key
payload = self._b64url_decode(pb["payload"]) # ciphertext + tag
cipher = python_aesgcm.new(key)
decrypted = cipher.open(iv, payload) # AAD = '' like ResolveURL
if decrypted is None:
raise ExtractorError("F16PX: GCM authentication failed")
decrypted_json = json.loads(decrypted.decode("utf-8", "ignore"))
except ExtractorError:
raise
except Exception as e:
raise ExtractorError(f"F16PX: Decryption failed ({e})")
sources = decrypted_json.get("sources") or []
if not sources:
raise ExtractorError("F16PX: No sources after decryption")
best = sources[0].get("url")
if not best:
raise ExtractorError("F16PX: Empty source URL after decryption")
self.base_headers.clear()
self.base_headers["referer"] = f"{origin}/"
self.base_headers["origin"] = origin
self.base_headers["Accept-Language"] = "en-US,en;q=0.5"
self.base_headers["Accept"] = "*/*"
self.base_headers["user-agent"] = "Mozilla/5.0 (X11; Linux x86_64; rv:138.0) Gecko/20100101 Firefox/138.0"
return {
"destination_url": best,
"request_headers": self.base_headers,
"mediaflow_endpoint": self.mediaflow_endpoint,
}