Files
KiraTV-APP-NodeCast-Modific…/server/routes/proxy.js
T
2026-01-07 13:51:05 -08:00

849 lines
30 KiB
JavaScript

const express = require('express');
const router = express.Router();
const { sources } = require('../db');
const { getDb } = require('../db/sqlite'); // Import SQLite
const xtreamApi = require('../services/xtreamApi');
const m3uParser = require('../services/m3uParser');
const epgParser = require('../services/epgParser');
const cache = require('../services/cache');
const path = require('path');
const fs = require('fs');
const http = require('http');
const https = require('https');
const { spawn } = require('child_process');
const ffmpegPath = require('ffmpeg-static');
const { Readable } = require('stream');
// Default cache max age in hours
const DEFAULT_MAX_AGE_HOURS = 24;
// Helper to get formatted category list from DB
function getCategoriesFromDb(sourceId, type, includeHidden = false) {
const db = getDb();
let query = `
SELECT category_id, name as category_name, parent_id
FROM categories
WHERE source_id = ? AND type = ?
`;
if (!includeHidden) {
query += ` AND is_hidden = 0`;
}
query += ` ORDER BY name ASC`;
const cats = db.prepare(query).all(sourceId, type);
return cats;
}
// Helper to get formatted streams from DB
function getStreamsFromDb(sourceId, type, categoryId = null, includeHidden = false) {
const db = getDb();
let query = `
SELECT item_id, name, stream_icon, added_at, rating, container_extension, year, category_id, data
FROM playlist_items
WHERE source_id = ? AND type = ?
`;
if (!includeHidden) {
query += ` AND is_hidden = 0`;
}
const params = [sourceId, type];
if (categoryId) {
query += ` AND category_id = ?`;
params.push(categoryId);
}
// Default sorting
// query += ` ORDER BY name ASC`; // Sorting usually handled by client
const items = db.prepare(query).all(...params);
// Map to Xtream format
return items.map(item => {
const data = JSON.parse(item.data || '{}');
// Override with our local fields if needed, or just return the mixed object
// We should ensure critical fields are present
return {
...data,
stream_id: item.item_id, // ensure ID matches what client expects
series_id: type === 'series' ? item.item_id : undefined,
name: item.name,
stream_icon: item.stream_icon,
cover: item.stream_icon, // series/vod often use cover
added: item.added_at,
rating: item.rating,
container_extension: item.container_extension,
category_id: item.category_id
};
});
}
// --- Xtream Codes Proxy API --- //
// Login / Authenticate
router.get('/xtream/:sourceId', async (req, res) => {
try {
const source = await sources.getById(req.params.sourceId);
if (!source || source.type !== 'xtream') return res.status(404).send('Source not found');
// Proxy auth check to upstream to ensure credentials are still valid
const cached = cache.get('xtream', source.id, 'auth', 300000);
if (cached) return res.json(cached);
const api = xtreamApi.createFromSource(source);
const data = await api.authenticate();
cache.set('xtream', source.id, 'auth', data);
res.json(data);
} catch (err) {
res.status(502).json({ error: 'Upstream error', details: err.message });
}
});
// Live Categories
router.get('/xtream/:sourceId/live_categories', async (req, res) => {
try {
const sourceId = parseInt(req.params.sourceId);
const includeHidden = req.query.includeHidden === 'true';
const cats = getCategoriesFromDb(sourceId, 'live', includeHidden);
res.json(cats);
} catch (err) {
console.error(err);
res.status(500).json({ error: 'Database error' });
}
});
// Live Streams
router.get('/xtream/:sourceId/live_streams', async (req, res) => {
try {
const sourceId = parseInt(req.params.sourceId);
const categoryId = req.query.category_id;
const includeHidden = req.query.includeHidden === 'true';
const streams = getStreamsFromDb(sourceId, 'live', categoryId, includeHidden);
res.json(streams);
} catch (err) {
console.error(err);
res.status(500).json({ error: 'Database error' });
}
});
// VOD Categories
router.get('/xtream/:sourceId/vod_categories', async (req, res) => {
try {
const sourceId = parseInt(req.params.sourceId);
const includeHidden = req.query.includeHidden === 'true';
const cats = getCategoriesFromDb(sourceId, 'movie', includeHidden);
res.json(cats);
} catch (err) {
console.error(err);
res.status(500).json({ error: 'Database error' });
}
});
// VOD Streams
router.get('/xtream/:sourceId/vod_streams', async (req, res) => {
try {
const sourceId = parseInt(req.params.sourceId);
const categoryId = req.query.category_id;
const includeHidden = req.query.includeHidden === 'true';
const streams = getStreamsFromDb(sourceId, 'movie', categoryId, includeHidden);
res.json(streams);
} catch (err) {
console.error(err);
res.status(500).json({ error: 'Database error' });
}
});
// Series Categories
router.get('/xtream/:sourceId/series_categories', async (req, res) => {
try {
const sourceId = parseInt(req.params.sourceId);
const includeHidden = req.query.includeHidden === 'true';
const cats = getCategoriesFromDb(sourceId, 'series', includeHidden);
res.json(cats);
} catch (err) {
console.error(err);
res.status(500).json({ error: 'Database error' });
}
});
// Series
router.get('/xtream/:sourceId/series', async (req, res) => {
try {
const sourceId = parseInt(req.params.sourceId);
const categoryId = req.query.category_id;
const includeHidden = req.query.includeHidden === 'true';
const streams = getStreamsFromDb(sourceId, 'series', categoryId, includeHidden);
res.json(streams);
} catch (err) {
console.error(err);
res.status(500).json({ error: 'Database error' });
}
});
// Series Info (Episodes)
// Proxy series info request
router.get('/xtream/:sourceId/series_info', async (req, res) => {
try {
const source = await sources.getById(req.params.sourceId);
if (!source) return res.status(404).send('Source not found');
const seriesId = req.query.series_id;
if (!seriesId) return res.status(400).send('series_id required');
const cacheKey = `series_info_${seriesId}`;
const cached = cache.get('xtream', source.id, cacheKey, 3600000);
if (cached) return res.json(cached);
const api = xtreamApi.createFromSource(source);
const data = await api.getSeriesInfo(seriesId);
cache.set('xtream', source.id, cacheKey, data);
res.json(data);
} catch (err) {
res.status(502).json({ error: 'Upstream error', details: err.message });
}
});
// VOD Info
router.get('/xtream/:sourceId/vod_info', async (req, res) => {
try {
const source = await sources.getById(req.params.sourceId);
if (!source) return res.status(404).send('Source not found');
const vodId = req.query.vod_id;
if (!vodId) return res.status(400).send('vod_id required');
const cacheKey = `vod_info_${vodId}`;
const cached = cache.get('xtream', source.id, cacheKey, 3600000);
if (cached) return res.json(cached);
const api = xtreamApi.createFromSource(source);
const data = await api.getVodInfo(vodId);
cache.set('xtream', source.id, cacheKey, data);
res.json(data);
} catch (err) {
res.status(502).json({ error: 'Upstream error', details: err.message });
}
});
// Get Stream URL for playback
// Returns the direct stream URL for a given stream ID
router.get('/xtream/:sourceId/stream/:streamId/:type', async (req, res) => {
try {
const source = await sources.getById(req.params.sourceId);
if (!source || source.type !== 'xtream') {
return res.status(404).json({ error: 'Xtream source not found' });
}
const streamId = req.params.streamId;
const type = req.params.type || 'live';
const container = req.query.container || 'm3u8';
// Construct the Xtream stream URL
// Format: http://server:port/live/username/password/streamId.container (for live)
// Format: http://server:port/movie/username/password/streamId.container (for movie)
// Format: http://server:port/series/username/password/streamId.container (for series)
let streamUrl;
const baseUrl = source.url.replace(/\/$/, ''); // Remove trailing slash
if (type === 'live') {
streamUrl = `${baseUrl}/live/${source.username}/${source.password}/${streamId}.${container}`;
} else if (type === 'movie') {
streamUrl = `${baseUrl}/movie/${source.username}/${source.password}/${streamId}.${container}`;
} else if (type === 'series') {
streamUrl = `${baseUrl}/series/${source.username}/${source.password}/${streamId}.${container}`;
} else {
return res.status(400).json({ error: 'Invalid stream type' });
}
res.json({ url: streamUrl });
} catch (err) {
console.error('Error getting stream URL:', err);
res.status(500).json({ error: 'Failed to get stream URL' });
}
});
// --- Other Proxy Routes --- //
// M3U Playlist
// (For M3U sources, we now have data in DB. We can reconstruct M3U or return JSON)
// Frontend ChannelList.js for M3U sources calls `API.proxy.m3u.get(sourceId)`
// which points here. It expects { channels, groups }.
router.get('/m3u/:sourceId', async (req, res) => {
try {
const sourceId = parseInt(req.params.sourceId);
const includeHidden = req.query.includeHidden === 'true';
// Fetch from DB
const channels = getStreamsFromDb(sourceId, 'live', null, includeHidden);
const groups = getCategoriesFromDb(sourceId, 'live', includeHidden);
// Format for frontend helper
// ChannelList expects:
// {
// channels: [ { id, name, groupTitle, url, tvgLogo, ... } ],
// groups: [ { id, name, channelCount } ]
// }
// Note: DB `live` items from M3U sync have `category_id` as their group name usually.
const reformattedChannels = channels.map(c => ({
...c,
id: c.stream_id,
groupTitle: c.category_id || 'Uncategorized',
url: c.stream_url || c.url,
tvgLogo: c.stream_icon
}));
const reformattedGroups = groups.map(g => ({
id: g.category_id,
name: g.category_name,
channelCount: 0 // Frontend calculates this or we can
}));
// Add implicit groups check?
// The frontend M3U parser generates groups from the channels if explicit groups missing.
// Our SyncService `saveCategories` handles explicit groups.
res.json({ channels: reformattedChannels, groups: reformattedGroups });
} catch (err) {
console.error(err);
res.status(500).json({ error: 'Database error' });
}
});
// EPG
router.get('/epg/:sourceId', async (req, res) => {
try {
const sourceId = parseInt(req.params.sourceId);
const db = getDb();
// Time window: 24 hours ago to 24 hours from now
// This prevents returning millions of rows and crashing the server/browser
const windowStart = Date.now() - (24 * 60 * 60 * 1000); // -24 hours
const windowEnd = Date.now() + (24 * 60 * 60 * 1000); // +24 hours
// Fetch programs within the time window
let programsQuery = `
SELECT channel_id as channelId, start_time, end_time, title, description, data
FROM epg_programs
WHERE source_id = ? AND end_time > ? AND start_time < ?
`;
const params = [sourceId, windowStart, windowEnd];
const programs = db.prepare(programsQuery).all(...params);
const formattedPrograms = programs.map(p => ({
channelId: p.channelId,
start: new Date(p.start_time).toISOString(), // EpgGuide parse this back
stop: new Date(p.end_time).toISOString(),
title: p.title,
desc: p.description
}));
// Fetch EPG channels from playlist_items (type='epg_channel')
let epgChannels = [];
// Try getting stored channels first
const storedChannels = db.prepare(`
SELECT item_id as id, name, stream_icon as icon, data
FROM playlist_items
WHERE source_id = ? AND type = 'epg_channel'
`).all(sourceId);
if (storedChannels.length > 0) {
epgChannels = storedChannels;
} else {
// Fallback: Build from unique channelIds in programmes (Legacy behavior)
const uniqueChannelIds = [...new Set(programs.map(p => p.channelId))];
epgChannels = uniqueChannelIds.map(id => ({
id: id,
name: id // Use channelId as name (fallback)
}));
}
res.json({
channels: epgChannels,
programmes: formattedPrograms
});
} catch (err) {
console.error(err);
res.status(500).json({ error: 'Database error' });
}
});
// Clear cache (kept for compatibility)
router.delete('/cache/:sourceId', (req, res) => {
const sourceId = req.params.sourceId;
cache.clearSource(sourceId);
res.json({ success: true });
});
/**
* Proxy Xtream API calls
* GET /api/proxy/xtream/:sourceId/:action
*/
router.get('/xtream/:sourceId/:action', async (req, res) => {
try {
const sourceId = req.params.sourceId;
const source = await sources.getById(sourceId);
if (!source || source.type !== 'xtream') {
return res.status(404).json({ error: 'Xtream source not found' });
}
const { action } = req.params;
const { category_id, stream_id, vod_id, series_id, limit, refresh, maxAge } = req.query;
const forceRefresh = refresh === '1';
const maxAgeHours = parseInt(maxAge) || DEFAULT_MAX_AGE_HOURS;
const maxAgeMs = maxAgeHours * 60 * 60 * 1000;
// Actions that should be cached
const cacheableActions = [
'live_categories', 'live_streams',
'vod_categories', 'vod_streams',
'series_categories', 'series'
];
// Build cache key (include category_id if present)
const cacheKey = category_id ? `${action}_${category_id}` : action;
// Check cache for cacheable actions
if (!forceRefresh && cacheableActions.includes(action)) {
const cached = cache.get('xtream', sourceId, cacheKey, maxAgeMs);
if (cached) {
return res.json(cached);
}
}
// Fetch fresh data
const api = xtreamApi.createFromSource(source);
let data;
switch (action) {
case 'auth':
data = await api.authenticate();
break;
case 'live_categories':
data = await api.getLiveCategories();
break;
case 'live_streams':
data = await api.getLiveStreams(category_id);
break;
case 'vod_categories':
data = await api.getVodCategories();
break;
case 'vod_streams':
data = await api.getVodStreams(category_id);
break;
case 'vod_info':
data = await api.getVodInfo(vod_id);
break;
case 'series_categories':
data = await api.getSeriesCategories();
break;
case 'series':
data = await api.getSeries(category_id);
break;
case 'series_info':
data = await api.getSeriesInfo(series_id);
break;
case 'short_epg':
data = await api.getShortEpg(stream_id, limit);
break;
default:
return res.status(400).json({ error: 'Unknown action' });
}
// Cache the result for cacheable actions
if (cacheableActions.includes(action)) {
cache.set('xtream', sourceId, cacheKey, data);
}
res.json(data);
} catch (err) {
console.error('Xtream proxy error:', err);
res.status(500).json({ error: err.message });
}
});
/**
* Get Xtream stream URL
* GET /api/proxy/xtream/:sourceId/stream/:streamId
*/
router.get('/xtream/:sourceId/stream/:streamId/:type?', async (req, res) => {
try {
const source = await sources.getById(req.params.sourceId);
if (!source || source.type !== 'xtream') {
return res.status(404).json({ error: 'Xtream source not found' });
}
const api = xtreamApi.createFromSource(source);
const { streamId, type = 'live' } = req.params;
const { container = 'm3u8' } = req.query;
const url = api.buildStreamUrl(streamId, type, container);
res.json({ url });
} catch (err) {
console.error('Stream URL error:', err);
res.status(500).json({ error: err.message });
}
});
/**
* Fetch and parse M3U playlist
* GET /api/proxy/m3u/:sourceId
*/
router.get('/m3u/:sourceId', async (req, res) => {
try {
const sourceId = req.params.sourceId;
const source = await sources.getById(sourceId);
if (!source || source.type !== 'm3u') {
return res.status(404).json({ error: 'M3U source not found' });
}
const forceRefresh = req.query.refresh === '1';
const maxAgeHours = parseInt(req.query.maxAge) || DEFAULT_MAX_AGE_HOURS;
const maxAgeMs = maxAgeHours * 60 * 60 * 1000;
// Check cache
if (!forceRefresh) {
const cached = cache.get('m3u', sourceId, 'playlist', maxAgeMs);
if (cached) {
return res.json(cached);
}
}
const data = await m3uParser.fetchAndParse(source.url);
// Store in cache
cache.set('m3u', sourceId, 'playlist', data);
res.json(data);
} catch (err) {
console.error('M3U proxy error:', err);
res.status(500).json({ error: err.message });
}
});
/**
* Fetch and parse EPG (with file-based caching)
* GET /api/proxy/epg/:sourceId
* Query params:
* - refresh=1 Force refresh, bypass cache
* - maxAge=N Max cache age in hours (default 24)
*/
router.get('/epg/:sourceId', async (req, res) => {
try {
const sourceId = req.params.sourceId;
const source = await sources.getById(sourceId);
if (!source || (source.type !== 'epg' && source.type !== 'xtream')) {
return res.status(404).json({ error: 'Valid EPG source not found' });
}
const forceRefresh = req.query.refresh === '1';
const maxAgeHours = parseInt(req.query.maxAge) || DEFAULT_MAX_AGE_HOURS;
const maxAgeMs = maxAgeHours * 60 * 60 * 1000;
// Check file cache (unless force refresh)
if (!forceRefresh) {
const cached = cache.get('epg', sourceId, 'data', maxAgeMs);
if (cached) {
return res.json(cached);
}
}
// Fetch fresh data
let url = source.url;
if (source.type === 'xtream') {
const api = xtreamApi.createFromSource(source);
url = api.getXmltvUrl();
}
const data = await epgParser.fetchAndParse(url);
// Store in file cache
cache.set('epg', sourceId, 'data', data);
res.json(data);
} catch (err) {
console.error('EPG proxy error:', err);
res.status(500).json({ error: err.message });
}
});
/**
* Clear cache for a source
* DELETE /api/proxy/cache/:sourceId
*/
router.delete('/cache/:sourceId', (req, res) => {
const sourceId = req.params.sourceId;
cache.clearSource(sourceId);
res.json({ success: true });
});
/**
* Clear EPG cache for a source (legacy endpoint, calls clearSource)
* DELETE /api/proxy/epg/:sourceId/cache
*/
router.delete('/epg/:sourceId/cache', (req, res) => {
const sourceId = req.params.sourceId;
cache.clear('epg', sourceId, 'data');
res.json({ success: true });
});
/**
* Get EPG for specific channels
* POST /api/proxy/epg/:sourceId/channels
*/
router.post('/epg/:sourceId/channels', async (req, res) => {
try {
const source = await sources.getById(req.params.sourceId);
if (!source || source.type !== 'epg') {
return res.status(404).json({ error: 'EPG source not found' });
}
const { channelIds } = req.body;
if (!channelIds || !Array.isArray(channelIds)) {
return res.status(400).json({ error: 'channelIds array required' });
}
const data = await epgParser.fetchAndParse(source.url);
// Filter programmes for requested channels
const result = {};
for (const channelId of channelIds) {
result[channelId] = epgParser.getCurrentAndUpcoming(data.programmes, channelId);
}
res.json(result);
} catch (err) {
console.error('EPG channels error:', err);
res.status(500).json({ error: err.message });
}
});
/**
* Proxy stream for playback
* This handles CORS for streams that don't allow cross-origin
* Supports HTTP Range requests for video seeking
*/
router.get('/stream', async (req, res) => {
const maxRetries = 2;
let lastError = null;
for (let attempt = 1; attempt <= maxRetries; attempt++) {
try {
let { url } = req.query;
if (!url) {
return res.status(400).json({ error: 'URL required' });
}
// Forward some headers to be more "transparent" back to the origin
const isPluto = url.includes('pluto.tv');
const headers = {
'User-Agent': 'Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/120.0.0.0 Safari/537.36',
'Accept': '*/*',
'Accept-Language': 'en-US,en;q=0.9',
// Using https and matching the origin of the request
'Origin': isPluto ? 'https://pluto.tv' : new URL(url).origin,
'Referer': isPluto ? 'https://pluto.tv/' : new URL(url).origin + '/'
};
// Forward Range header for video seeking support
const rangeHeader = req.get('range');
if (rangeHeader) {
headers['Range'] = rangeHeader;
}
const response = await fetch(url, { headers });
// Retry on 5xx errors (transient upstream issues)
if (response.status >= 500 && attempt < maxRetries) {
console.log(`[Proxy] Upstream 5xx error (attempt ${attempt}/${maxRetries}), retrying in 500ms...`);
await new Promise(r => setTimeout(r, 500));
continue;
}
if (!response.ok) {
console.error(`Upstream error for ${url.substring(0, 80)}...: ${response.status} ${response.statusText}`);
if (response.status === 403) {
const errorBody = await response.text().catch(() => 'N/A');
console.error(`403 Response body: ${errorBody.substring(0, 200)}`);
}
return res.status(response.status).send(`Failed to fetch stream: ${response.statusText}`);
}
const contentType = response.headers.get('content-type') || '';
res.set('Access-Control-Allow-Origin', '*');
// Forward range-related headers for video seeking support
const contentLength = response.headers.get('content-length');
const contentRange = response.headers.get('content-range');
const acceptRanges = response.headers.get('accept-ranges');
if (contentLength) {
res.set('Content-Length', contentLength);
}
if (contentRange) {
res.set('Content-Range', contentRange);
}
if (acceptRanges) {
res.set('Accept-Ranges', acceptRanges);
} else if (contentLength && !contentRange) {
// If server supports content-length but didn't explicitly state accept-ranges,
// we can safely assume it supports byte ranges
res.set('Accept-Ranges', 'bytes');
}
// Set status code (206 for partial content when range request was made)
res.status(response.status);
// Create an async iterator for the response body
const iterator = response.body[Symbol.asyncIterator]();
const first = await iterator.next();
if (first.done) {
res.set('Content-Type', contentType || 'application/octet-stream');
return res.end();
}
const firstChunk = Buffer.from(first.value);
// Peek at first bytes to check for HLS manifest ({ #EXTM3U })
const textPrefix = firstChunk.subarray(0, 7).toString('utf8');
const contentLooksLikeHls = textPrefix === '#EXTM3U';
if (contentLooksLikeHls) {
// HLS Manifest: We must read the WHOLE manifest to rewrite it
const chunks = [firstChunk];
// Consume the rest of the stream
let result = await iterator.next();
while (!result.done) {
chunks.push(Buffer.from(result.value));
result = await iterator.next();
}
const buffer = Buffer.concat(chunks);
const finalUrl = response.url || url;
console.log(`[Proxy] Processing HLS manifest from: ${finalUrl.substring(0, 80)}...`);
res.set('Content-Type', 'application/vnd.apple.mpegurl');
let manifest = buffer.toString('utf-8');
const finalUrlObj = new URL(finalUrl);
const baseUrl = finalUrlObj.origin + finalUrlObj.pathname.substring(0, finalUrlObj.pathname.lastIndexOf('/') + 1);
manifest = manifest.split('\n').map(line => {
const trimmed = line.trim();
if (trimmed === '' || trimmed.startsWith('#')) {
if (trimmed.includes('URI="')) {
return line.replace(/URI="([^"]+)"/g, (match, p1) => {
try {
const absoluteUrl = new URL(p1, baseUrl).href;
return `URI="${req.protocol}://${req.get('host')}${req.baseUrl}/stream?url=${encodeURIComponent(absoluteUrl)}"`;
} catch (e) { return match; }
});
}
return line;
}
// Stream URL handling
try {
let absoluteUrl;
if (trimmed.startsWith('http://') || trimmed.startsWith('https://')) {
absoluteUrl = trimmed;
} else {
absoluteUrl = new URL(trimmed, baseUrl).href;
}
return `${req.protocol}://${req.get('host')}${req.baseUrl}/stream?url=${encodeURIComponent(absoluteUrl)}`;
} catch (e) { return line; }
}).join('\n');
return res.send(manifest);
}
// Binary content (Video Segment): Efficient Pipe
console.log(`[Proxy] Piping binary stream (${contentType})`);
res.set('Content-Type', contentType || 'application/octet-stream');
// Write the chunk we peeked
res.write(firstChunk);
// Stream the rest
// Create a readable stream from the iterator
const restOfStream = Readable.from(iterator);
// Pipe to response
restOfStream.pipe(res);
return; // Success - exit the retry loop
} catch (err) {
lastError = err;
console.error(`Stream proxy error (attempt ${attempt}/${maxRetries}):`, err.message);
if (attempt < maxRetries) {
console.log('[Proxy] Retrying after error...');
await new Promise(r => setTimeout(r, 500));
continue;
}
}
}
// All retries failed
if (!res.headersSent) {
res.status(500).json({ error: lastError?.message || 'Stream proxy failed after retries' });
}
});
/**
* Proxy images (channel logos, posters)
* Fixes mixed content errors when loading HTTP images on HTTPS pages
* GET /api/proxy/image?url=...
*/
router.get('/image', async (req, res) => {
try {
const { url } = req.query;
if (!url) {
return res.status(400).json({ error: 'URL required' });
}
const response = await fetch(url, {
headers: {
'User-Agent': 'Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/120.0.0.0 Safari/537.36',
'Accept': 'image/*,*/*;q=0.8'
}
});
if (!response.ok) {
return res.status(response.status).send('Failed to fetch image');
}
const contentType = response.headers.get('content-type') || 'image/png';
res.set('Content-Type', contentType);
res.set('Access-Control-Allow-Origin', '*');
res.set('Cache-Control', 'public, max-age=86400'); // Cache for 24 hours
// Efficiently pipe the response body
if (response.body) {
// response.body is an AsyncIterable in standard fetch/undici
// Readable.from converts it to a Node.js Readable stream
const stream = Readable.from(response.body);
stream.pipe(res);
} else {
res.end();
}
} catch (err) {
console.error('Image proxy error:', err.message);
res.status(500).send('Image proxy error');
}
});
module.exports = router;