mirror of
https://github.com/wukko/cobalt.git
synced 2025-05-16 05:17:05 +02:00
91 lines
3.6 KiB
JavaScript
91 lines
3.6 KiB
JavaScript
import { genericUserAgent, maxVideoDuration } from "../../config.js";
|
|
import { getCookie, updateCookieValues } from "../cookie/manager.js";
|
|
|
|
async function getAccessToken() {
|
|
/* "cookie" in cookiefile needs to contain:
|
|
* client_id, client_secret, refresh_token
|
|
* e.g. client_id=bla; client_secret=bla; refresh_token=bla
|
|
*
|
|
* you can get these by making a reddit app and
|
|
* authenticating an account against reddit's oauth2 api
|
|
* see: https://github.com/reddit-archive/reddit/wiki/OAuth2
|
|
*
|
|
* any additional cookie fields are managed by this code and you
|
|
* should not touch them unless you know what you're doing. **/
|
|
const cookie = await getCookie('reddit');
|
|
if (!cookie) return;
|
|
|
|
const values = cookie.values(),
|
|
needRefresh = !values.access_token
|
|
|| !values.expiry
|
|
|| Number(values.expiry) < new Date().getTime();
|
|
if (!needRefresh) return values.access_token;
|
|
|
|
const data = await fetch('https://www.reddit.com/api/v1/access_token', {
|
|
method: 'POST',
|
|
headers: {
|
|
'authorization': `Basic ${Buffer.from(
|
|
[values.client_id, values.client_secret].join(':')
|
|
).toString('base64')}`,
|
|
'content-type': 'application/x-www-form-urlencoded',
|
|
'user-agent': genericUserAgent,
|
|
'accept': 'application/json'
|
|
},
|
|
body: `grant_type=refresh_token&refresh_token=${encodeURIComponent(values.refresh_token)}`
|
|
}).then(r => r.json()).catch(_ => {});
|
|
if (!data) return;
|
|
|
|
const { access_token, refresh_token, expires_in } = data;
|
|
if (!access_token) return;
|
|
|
|
updateCookieValues(cookie, {
|
|
...cookie.values(),
|
|
access_token, refresh_token,
|
|
expiry: new Date().getTime() + (expires_in * 1000),
|
|
});
|
|
|
|
return access_token;
|
|
}
|
|
|
|
export default async function(obj) {
|
|
const url = new URL(`https://www.reddit.com/r/${obj.sub}/comments/${obj.id}.json`);
|
|
|
|
const accessToken = await getAccessToken();
|
|
if (accessToken) url.hostname = 'oauth.reddit.com';
|
|
|
|
let data = await fetch(
|
|
url, { headers: accessToken && { authorization: `Bearer ${accessToken}` } }
|
|
).then((r) => { return r.json() }).catch(() => { return false });
|
|
if (!data) return { error: 'ErrorCouldntFetch' };
|
|
|
|
data = data[0]["data"]["children"][0]["data"];
|
|
|
|
if (data.url.endsWith('.gif')) return { typeId: 1, urls: data.url };
|
|
|
|
if (!("reddit_video" in data["secure_media"])) return { error: 'ErrorEmptyDownload' };
|
|
if (data["secure_media"]["reddit_video"]["duration"] * 1000 > maxVideoDuration) return { error: ['ErrorLengthLimit', maxVideoDuration / 60000] };
|
|
|
|
let audio = false,
|
|
video = data["secure_media"]["reddit_video"]["fallback_url"].split('?')[0],
|
|
audioFileLink = video.match('.mp4') ? `${video.split('_')[0]}_audio.mp4` : `${data["secure_media"]["reddit_video"]["fallback_url"].split('DASH')[0]}audio`;
|
|
|
|
await fetch(audioFileLink, { method: "HEAD" }).then((r) => { if (Number(r.status) === 200) audio = true }).catch(() => { audio = false });
|
|
|
|
// fallback for videos with variable audio quality
|
|
if (!audio) {
|
|
audioFileLink = `${video.split('_')[0]}_AUDIO_128.mp4`
|
|
await fetch(audioFileLink, { method: "HEAD" }).then((r) => { if (Number(r.status) === 200) audio = true }).catch(() => { audio = false });
|
|
}
|
|
|
|
let id = video.split('/')[3];
|
|
|
|
if (!audio) return { typeId: 1, urls: video };
|
|
return {
|
|
typeId: 2,
|
|
type: "render",
|
|
urls: [video, audioFileLink],
|
|
audioFilename: `reddit_${id}_audio`,
|
|
filename: `reddit_${id}.mp4`
|
|
};
|
|
}
|