fbvid-downloader
Version:
Easily download public Facebook videos in MP4 format using Node.js. Simple, fast, and reliable.
66 lines (65 loc) • 3.38 kB
JavaScript
// src/downloader.ts
import axios from "axios";
var downloadFacebookVideo = async ({ video_url }) => {
const data = await getFbVideoInfo(video_url);
return data;
};
async function getFbVideoInfo(videoUrl) {
return new Promise((resolve, reject) => {
const headers = {
"sec-fetch-user": "?1",
"sec-ch-ua-mobile": "?0",
"sec-fetch-site": "none",
"sec-fetch-dest": "document",
"sec-fetch-mode": "navigate",
"cache-control": "max-age=0",
authority: "www.facebook.com",
"upgrade-insecure-requests": "1",
"accept-language": "en-GB,en;q=0.9,tr-TR;q=0.8,tr;q=0.7,en-US;q=0.6",
"sec-ch-ua": '"Google Chrome";v="89", "Chromium";v="89", ";Not A Brand";v="99"',
"user-agent": "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/89.0.4389.114 Safari/537.36",
accept: "text/html,application/xhtml+xml,application/xml;q=0.9,image/avif,image/webp,image/apng,*/*;q=0.8,application/signed-exchange;v=b3;q=0.9",
cookie: "sb=Rn8BYQvCEb2fpMQZjsd6L382; datr=Rn8BYbyhXgw9RlOvmsosmVNT; c_user=100003164630629; _fbp=fb.1.1629876126997.444699739; wd=1920x939; spin=r.1004812505_b.trunk_t.1638730393_s.1_v.2_; xs=28%3A8ROnP0aeVF8XcQ%3A2%3A1627488145%3A-1%3A4916%3A%3AAcWIuSjPy2mlTPuZAeA2wWzHzEDuumXI89jH8a_QIV8; fr=0jQw7hcrFdas2ZeyT.AWVpRNl_4noCEs_hb8kaZahs-jA.BhrQqa.3E.AAA.0.0.BhrQqa.AWUu879ZtCw"
};
const parseString = (string) => JSON.parse(`{"text": "${string}"}`).text;
if (!videoUrl || !videoUrl.trim())
return reject("Please specify the Facebook URL");
if (["facebook.com", "fb.watch"].every((domain) => !videoUrl.includes(domain)))
return reject("Please enter the valid Facebook URL");
axios.get(videoUrl, { headers }).then(({ data }) => {
var _a, _b;
data = data.replace(/"/g, '"').replace(/&/g, "&");
const sdMatch = data.match(/"browser_native_sd_url":"(.*?)"/) || data.match(/"playable_url":"(.*?)"/) || data.match(/sd_src\s*:\s*"([^"]*)"/) || data.match(/(?<="src":")[^"]*(https:\/\/[^"]*)/);
const hdMatch = data.match(/"browser_native_hd_url":"(.*?)"/) || data.match(/"playable_url_quality_hd":"(.*?)"/) || data.match(/hd_src\s*:\s*"([^"]*)"/);
const titleMatch = data.match(
/<meta\sname="description"\scontent="(.*?)"/
);
const thumbMatch = data.match(
/"preferred_thumbnail":{"image":{"uri":"(.*?)"/
);
var duration = data.match(/"playable_duration_in_ms":[0-9]+/gm);
if (sdMatch && sdMatch[1]) {
const result = {
url: videoUrl,
duration_ms: Number(duration[0].split(":")[1]),
sd: parseString(sdMatch[1]),
hd: hdMatch && hdMatch[1] ? parseString(hdMatch[1]) : "",
title: titleMatch && titleMatch[1] ? parseString(titleMatch[1]) : (_b = (_a = data.match(/<title>(.*?)<\/title>/)) === null || _a === void 0 ? void 0 : _a[1]) !== null && _b !== void 0 ? _b : "",
thumbnail: thumbMatch && thumbMatch[1] ? parseString(thumbMatch[1]) : ""
};
resolve(result);
} else {
reject(
"Unable to fetch video information at this time. Please try again"
);
}
}).catch((err) => {
reject(
`Unable to fetch video information. Axios Error : ${err.code} - ${err.cause}`
);
});
});
}
export {
downloadFacebookVideo
};