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68 lines
1.9 KiB
TypeScript
68 lines
1.9 KiB
TypeScript
import { error } from '@sveltejs/kit';
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import type { RequestHandler } from './$types';
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import { getYouTubeMetadata, streamYouTube, ytdl } from '$lib/server/ytdlp';
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import { contentTypeFromFormat, isURLValid, mimeTypeMap } from '$lib/server/helpers';
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const validateRequest = (url) => {
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// Get query params
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const link = url.searchParams.get('link');
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const format = url.searchParams.get('format'); // mp3, mp4
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const source = url.searchParams.get('source'); // youtube or spotify
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const metadata = url.searchParams.get('metadata');
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// Validate input
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if (!link || !format || !source) {
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throw error(400, 'Missing required query parameters: link, format, or source');
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}
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if (source !== 'youtube') {
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throw error(400, 'Currently, only YouTube is supported');
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}
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if (!isURLValid(link)) {
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throw error(400, 'URL not valid');
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}
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if (!mimeTypeMap.get(format)) {
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throw error(400, 'format not valid');
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}
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return {
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link, format, source, metadata
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}
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}
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export const GET: RequestHandler = async ({ url }) => {
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const { format, source, metadata, link } = validateRequest(url)
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let filename = `you-clicked-no-metadata-so-i-cant-put-a-correct-name.${format}`;
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if (metadata) {
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try {
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// Fetch metadata for filename
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const metadata = await getYouTubeMetadata(link);
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const { title, uploader } = metadata;
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const safeTitle = `${uploader} - ${title}`;
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filename = `${safeTitle}.${format}`;
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} catch (err) {
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console.error(err)
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console.error('Error fetching metadata:');
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throw error(500, 'Failed to fetch video metadata');
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}
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}
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try {
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// Stream video/audio
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return new Response(streamYouTube(link, format), {
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headers: {
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'Content-Type': contentTypeFromFormat(format),
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'Content-Disposition': `attachment; filename="${filename}"`,
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'Set-Cookie': 'downloading=0'
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}
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});
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} catch (err) {
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console.error(err)
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console.error('Filed to stream file');
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throw error(500, 'Failed to stream file');
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}
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};
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