cobalt/src/modules/processing/services/pinterest.js

import { genericUserAgent } from "../../config.js";

const linkRegex = /"url":"(https:\/\/v1.pinimg.com\/videos\/.*?)"/g;

export default async function(o) {
    let id = o.id;

    if (!o.id && o.shortLink) {
        id = await fetch(`https://api.pinterest.com/url_shortener/${o.shortLink}/redirect/`, { redirect: "manual" }).then((r) => {
            return r.headers.get("location").split('pin/')[1].split('/')[0]
        }).catch(() => {});
    }
    if (id.includes("--")) id = id.split("--")[1];
    if (!id) return { error: 'ErrorCouldntFetch' };

    let html = await fetch(`https://www.pinterest.com/pin/${id}/`, {
        headers: { "user-agent": genericUserAgent }
    }).then((r) => { return r.text() }).catch(() => { return false });

    if (!html) return { error: 'ErrorCouldntFetch' };

    let videoLink = [...html.matchAll(linkRegex)]
                    .map(([, link]) => link)
                    .filter(a => a.endsWith('.mp4') && a.includes('720p'))[0];

    if (!videoLink) return { error: 'ErrorEmptyDownload' };

    return {
        urls: videoLink,
        filename: `pinterest_${o.id}.mp4`,
        audioFilename: `pinterest_${o.id}_audio`
    }
}