73 lines
2.5 KiB
Python
73 lines
2.5 KiB
Python
#!/usr/bin/env python3
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import json
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import re
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from typing import Optional
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from cachetools import TTLCache, cached
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from praw.models import Submission
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from bdfr.exceptions import SiteDownloaderError
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from bdfr.resource import Resource
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from bdfr.site_authenticator import SiteAuthenticator
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from bdfr.site_downloaders.redgifs import Redgifs
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class Gfycat(Redgifs):
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def __init__(self, post: Submission):
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super().__init__(post)
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def find_resources(self, authenticator: Optional[SiteAuthenticator] = None) -> list[Resource]:
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return super().find_resources(authenticator)
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@staticmethod
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@cached(cache=TTLCache(maxsize=5, ttl=3420))
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def _get_auth_token() -> str:
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headers = {
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"content-type": "text/plain;charset=UTF-8",
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"host": "weblogin.gfycat.com",
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"origin": "https://gfycat.com",
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}
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payload = {"access_key": "Anr96uuqt9EdamSCwK4txKPjMsf2M95Rfa5FLLhPFucu8H5HTzeutyAa"}
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token = json.loads(
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Gfycat.post_url("https://weblogin.gfycat.com/oauth/webtoken", headers=headers, payload=payload).text
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)["access_token"]
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return token
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@staticmethod
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def _get_link(url: str) -> set[str]:
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gfycat_id = re.match(r".*/(.*?)(?:/?|-.*|\..{3-4})$", url).group(1)
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url = "https://gfycat.com/" + gfycat_id
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response = Gfycat.retrieve_url(url)
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if re.search(r"(redgifs|gifdeliverynetwork)", response.url):
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url = url.lower()
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return Redgifs._get_link(url)
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auth_token = Gfycat._get_auth_token()
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if not auth_token:
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raise SiteDownloaderError("Unable to retrieve Gfycat API token")
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headers = {
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"referer": "https://gfycat.com/",
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"origin": "https://gfycat.com",
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"content-type": "application/json",
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"Authorization": f"Bearer {auth_token}",
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}
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content = Gfycat.retrieve_url(f"https://api.gfycat.com/v1/gfycats/{gfycat_id}", headers=headers)
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if content is None:
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raise SiteDownloaderError("Could not read the API source")
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try:
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response_json = json.loads(content.text)
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except json.JSONDecodeError as e:
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raise SiteDownloaderError(f"Received data was not valid JSON: {e}")
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try:
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out = response_json["gfyItem"]["mp4Url"]
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except (IndexError, KeyError, AttributeError) as e:
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raise SiteDownloaderError(f"Failed to download Gfycat link {url}: {e}")
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return {
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out,
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}
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