webstreamr-github/src/embed-extractor/Dropload.ts

38 lines
1.1 KiB
TypeScript

import { EmbedExtractor } from './types';
import { extractUrlFromPacked, Fetcher } from '../utils';
import { Context } from '../types';
import bytes from 'bytes';
export class Dropload implements EmbedExtractor {
readonly id = 'dropload';
readonly label = 'Dropload';
readonly ttl = 900000; // 15m
private readonly fetcher: Fetcher;
constructor(fetcher: Fetcher) {
this.fetcher = fetcher;
}
readonly supports = (url: URL): boolean => null !== url.host.match(/dropload/);
readonly extract = async (ctx: Context, url: URL, language: string) => {
const normalizedUrl = url.toString().replace('/e/', '').replace('/embed-', '/');
const html = await this.fetcher.text(ctx, normalizedUrl);
const heightMatch = html.match(/\d{3,}x(\d{3,}),/) as string[];
const sizeMatch = html.match(/([\d.]+ ?[GM]B)/) as string[];
return {
url: extractUrlFromPacked(html, [/sources:\[{file:"(.*?)"/]),
label: this.label,
sourceId: this.id,
height: parseInt(heightMatch[1] as string) as number,
bytes: bytes.parse(sizeMatch[1] as string) as number,
language,
};
};
}