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parent
eeb18a0efa
commit
173e069628
2 changed files with 210 additions and 352 deletions
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@ -3,300 +3,197 @@
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* @description Proxies m3u8 files and their segments
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*/
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// Helper function to safely create a URL object
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function safeCreateURL(url: string, base?: string): URL | null {
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try {
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return base ? new URL(url, base) : new URL(url);
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} catch (error) {
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console.error("URL parsing error:", error, "URL:", url, "Base:", base);
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return null;
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}
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}
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import { setResponseHeaders } from 'h3';
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// Helper function to parse URLs
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function parseURL(req_url: string, baseUrl?: string) {
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try {
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if (baseUrl) {
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const url = safeCreateURL(req_url, baseUrl);
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return url ? url.toString() : null;
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}
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// If it's already a fully qualified URL
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if (/^https?:\/\//i.test(req_url)) {
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const url = safeCreateURL(req_url);
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return url ? url.toString() : null;
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}
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// If it starts with // (protocol-relative URL)
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if (req_url.startsWith('//')) {
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const url = safeCreateURL(`https:${req_url}`);
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return url ? url.toString() : null;
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}
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// If it's a relative URL and we have a base URL
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if (baseUrl) {
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const url = safeCreateURL(req_url, baseUrl);
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return url ? url.toString() : null;
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}
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if (baseUrl) {
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return new URL(req_url, baseUrl).href;
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}
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const match = req_url.match(/^(?:(https?:)?\/\/)?(([^\/?]+?)(?::(\d{0,5})(?=[\/?]|$))?)([\/?][\S\s]*|$)/i);
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if (!match) {
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return null;
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}
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if (!match[1]) {
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if (/^https?:/i.test(req_url)) {
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return null;
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}
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// Scheme is omitted
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if (req_url.lastIndexOf("//", 0) === -1) {
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// "//" is omitted
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req_url = "//" + req_url;
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}
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req_url = (match[4] === "443" ? "https:" : "http:") + req_url;
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}
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try {
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const parsed = new URL(req_url);
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if (!parsed.hostname) {
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// "http://:1/" and "http:/notenoughslashes" could end up here
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return null;
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}
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return parsed.href;
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} catch (error) {
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console.error("URL parsing error:", error, "for URL:", req_url, "with base:", baseUrl);
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return null;
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}
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}
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export default async function(request: Request, env: any, ctx: any) {
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// Handle CORS preflight requests
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if (request.method === 'OPTIONS') {
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return new Response(null, {
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headers: {
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'Access-Control-Allow-Origin': '*',
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'Access-Control-Allow-Methods': 'GET, OPTIONS',
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'Access-Control-Allow-Headers': '*',
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'Access-Control-Max-Age': '86400',
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}
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});
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/**
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* Proxies m3u8 files and replaces the content to point to the proxy
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*/
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async function proxyM3U8(event: any) {
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const url = getQuery(event).url as string;
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const headersParam = getQuery(event).headers as string;
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if (!url) {
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return sendError(event, createError({
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statusCode: 400,
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statusMessage: 'URL parameter is required'
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}));
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}
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let headers = {};
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try {
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headers = headersParam ? JSON.parse(headersParam) : {};
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} catch (e) {
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return sendError(event, createError({
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statusCode: 400,
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statusMessage: 'Invalid headers format'
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}));
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}
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try {
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// Parse URL parameters
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const url = new URL(request.url);
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const targetUrl = url.searchParams.get('url');
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const headersParam = url.searchParams.get('headers');
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// Use native fetch instead of axios
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const response = await fetch(url, {
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headers: headers as HeadersInit
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});
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if (!targetUrl) {
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return new Response('URL parameter is required', { status: 400 });
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if (!response.ok) {
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throw new Error(`Failed to fetch M3U8: ${response.status} ${response.statusText}`);
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}
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console.log("Processing m3u8 request for URL:", targetUrl);
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const m3u8Content = await response.text();
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let customHeaders = {};
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try {
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customHeaders = headersParam ? JSON.parse(headersParam) : {};
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console.log("With headers:", JSON.stringify(customHeaders));
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} catch (e) {
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return new Response('Invalid headers format', { status: 400 });
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}
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// Get the base URL for the host
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const host = getRequestHost(event);
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const proto = getRequestProtocol(event);
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const baseProxyUrl = `${proto}://${host}`;
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// Validate target URL
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const validatedUrl = safeCreateURL(targetUrl);
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if (!validatedUrl) {
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return new Response(`Invalid target URL: ${targetUrl}`, {
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status: 400,
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headers: { 'Access-Control-Allow-Origin': '*' }
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});
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}
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try {
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// Create base request headers
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const requestHeaders = new Headers({
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'User-Agent': 'Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/80.0.3987.132 Safari/537.36',
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'Accept': '*/*',
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'Accept-Language': 'en-US,en;q=0.9',
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...customHeaders
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});
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if (m3u8Content.includes("RESOLUTION=")) {
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// This is a master playlist with multiple quality variants
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const lines = m3u8Content.split("\n");
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const newLines: string[] = [];
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console.log("Making request to:", validatedUrl.toString());
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console.log("With headers:", JSON.stringify(Object.fromEntries(requestHeaders.entries())));
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// Use fetch API which is natively available in Workers
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const response = await fetch(validatedUrl.toString(), {
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headers: requestHeaders
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});
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if (!response.ok) {
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throw new Error(`Failed to fetch M3U8: ${response.status} ${response.statusText}`);
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for (const line of lines) {
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if (line.startsWith("#")) {
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if (line.startsWith("#EXT-X-KEY:")) {
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// Proxy the key URL
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const regex = /https?:\/\/[^\""\s]+/g;
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const keyUrl = regex.exec(line)?.[0];
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if (keyUrl) {
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const proxyKeyUrl = `${baseProxyUrl}/ts-proxy?url=${encodeURIComponent(keyUrl)}&headers=${encodeURIComponent(JSON.stringify(headers))}`;
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newLines.push(line.replace(keyUrl, proxyKeyUrl));
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} else {
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newLines.push(line);
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}
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} else if (line.startsWith("#EXT-X-MEDIA:")) {
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// Proxy alternative media URLs (like audio streams)
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const regex = /https?:\/\/[^\""\s]+/g;
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const mediaUrl = regex.exec(line)?.[0];
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if (mediaUrl) {
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const proxyMediaUrl = `${baseProxyUrl}/m3u8-proxy?url=${encodeURIComponent(mediaUrl)}&headers=${encodeURIComponent(JSON.stringify(headers))}`;
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newLines.push(line.replace(mediaUrl, proxyMediaUrl));
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} else {
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newLines.push(line);
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}
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} else {
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newLines.push(line);
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}
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} else if (line.trim()) {
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// This is a quality variant URL
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const variantUrl = parseURL(line, url);
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if (variantUrl) {
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newLines.push(`${baseProxyUrl}/m3u8-proxy?url=${encodeURIComponent(variantUrl)}&headers=${encodeURIComponent(JSON.stringify(headers))}`);
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} else {
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newLines.push(line);
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}
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} else {
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// Empty line, preserve it
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newLines.push(line);
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}
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}
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const m3u8Content = await response.text();
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// Get the base URL for the host
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const host = url.hostname;
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const proto = url.protocol;
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const baseProxyUrl = `${proto}//${host}`;
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const responseHeaders = {
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// Set appropriate headers
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setResponseHeaders(event, {
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'Content-Type': 'application/vnd.apple.mpegurl',
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'Access-Control-Allow-Origin': '*',
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'Access-Control-Allow-Headers': '*',
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'Access-Control-Allow-Methods': '*',
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'Cache-Control': 'no-cache, no-store, must-revalidate'
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};
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if (m3u8Content.includes("RESOLUTION=")) {
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// This is a master playlist with multiple quality variants
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const lines = m3u8Content.split("\n");
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const newLines: string[] = [];
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for (const line of lines) {
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if (line.startsWith("#")) {
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if (line.startsWith("#EXT-X-KEY:")) {
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// Proxy the key URL
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const regex = /URI="([^"]+)"/g;
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const match = regex.exec(line);
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const keyUrl = match ? match[1] : null;
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if (keyUrl) {
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let fullKeyUrl;
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try {
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// Try to get the full URL
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const keyUrlObj = keyUrl.startsWith('http')
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? safeCreateURL(keyUrl)
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: safeCreateURL(keyUrl, validatedUrl.toString());
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if (!keyUrlObj) {
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throw new Error("Could not create valid URL for key");
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}
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fullKeyUrl = keyUrlObj.toString();
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const proxyKeyUrl = `${baseProxyUrl}/ts-proxy?url=${encodeURIComponent(fullKeyUrl)}&headers=${encodeURIComponent(JSON.stringify(customHeaders))}`;
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newLines.push(line.replace(keyUrl, proxyKeyUrl));
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} catch (error) {
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console.error("Error processing key URL:", keyUrl, error);
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newLines.push(line); // Keep original if error
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}
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} else {
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newLines.push(line);
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}
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} else if (line.startsWith("#EXT-X-MEDIA:")) {
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// Proxy alternative media URLs (like audio streams)
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const regex = /URI="([^"]+)"/g;
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const match = regex.exec(line);
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const mediaUrl = match ? match[1] : null;
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if (mediaUrl) {
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try {
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// Try to get the full URL
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const mediaUrlObj = mediaUrl.startsWith('http')
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? safeCreateURL(mediaUrl)
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: safeCreateURL(mediaUrl, validatedUrl.toString());
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if (!mediaUrlObj) {
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throw new Error("Could not create valid URL for media");
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}
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const fullMediaUrl = mediaUrlObj.toString();
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const proxyMediaUrl = `${baseProxyUrl}/m3u8-proxy?url=${encodeURIComponent(fullMediaUrl)}&headers=${encodeURIComponent(JSON.stringify(customHeaders))}`;
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newLines.push(line.replace(mediaUrl, proxyMediaUrl));
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} catch (error) {
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console.error("Error processing media URL:", mediaUrl, error);
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newLines.push(line); // Keep original if error
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}
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} else {
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newLines.push(line);
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}
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} else {
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newLines.push(line);
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}
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} else if (line.trim()) {
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// This is a quality variant URL
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try {
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// Try to create a full URL
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const variantUrlObj = line.startsWith('http')
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? safeCreateURL(line)
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: safeCreateURL(line, validatedUrl.toString());
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if (!variantUrlObj) {
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throw new Error("Could not create valid URL for variant");
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}
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const variantUrl = variantUrlObj.toString();
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newLines.push(`${baseProxyUrl}/m3u8-proxy?url=${encodeURIComponent(variantUrl)}&headers=${encodeURIComponent(JSON.stringify(customHeaders))}`);
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} catch (error) {
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console.error("Error processing variant URL:", line, error);
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newLines.push(line); // Keep original if error
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}
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} else {
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// Empty line, preserve it
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newLines.push(line);
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}
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}
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return new Response(newLines.join("\n"), {
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headers: responseHeaders
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});
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} else {
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// This is a media playlist with segments
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const lines = m3u8Content.split("\n");
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const newLines: string[] = [];
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for (const line of lines) {
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if (line.startsWith("#")) {
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if (line.startsWith("#EXT-X-KEY:")) {
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// Proxy the key URL
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const regex = /URI="([^"]+)"/g;
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const match = regex.exec(line);
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const keyUrl = match ? match[1] : null;
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if (keyUrl) {
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try {
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// Try to get the full URL
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const keyUrlObj = keyUrl.startsWith('http')
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? safeCreateURL(keyUrl)
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: safeCreateURL(keyUrl, validatedUrl.toString());
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if (!keyUrlObj) {
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throw new Error("Could not create valid URL for key");
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}
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const fullKeyUrl = keyUrlObj.toString();
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const proxyKeyUrl = `${baseProxyUrl}/ts-proxy?url=${encodeURIComponent(fullKeyUrl)}&headers=${encodeURIComponent(JSON.stringify(customHeaders))}`;
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newLines.push(line.replace(keyUrl, proxyKeyUrl));
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} catch (error) {
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console.error("Error processing key URL:", keyUrl, error);
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newLines.push(line); // Keep original if error
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}
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} else {
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newLines.push(line);
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}
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} else {
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newLines.push(line);
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}
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} else if (line.trim() && !line.startsWith("#")) {
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// This is a segment URL (.ts file)
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try {
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// Try to create a full URL
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const segmentUrlObj = line.startsWith('http')
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? safeCreateURL(line)
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: safeCreateURL(line, validatedUrl.toString());
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if (!segmentUrlObj) {
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throw new Error("Could not create valid URL for segment");
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}
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const segmentUrl = segmentUrlObj.toString();
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newLines.push(`${baseProxyUrl}/ts-proxy?url=${encodeURIComponent(segmentUrl)}&headers=${encodeURIComponent(JSON.stringify(customHeaders))}`);
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} catch (error) {
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console.error("Error processing segment URL:", line, error);
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newLines.push(line); // Keep original if error
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}
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} else {
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// Comment or empty line, preserve it
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newLines.push(line);
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}
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}
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return new Response(newLines.join("\n"), {
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headers: responseHeaders
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});
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}
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} catch (error: any) {
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console.error('Error proxying M3U8:', error);
|
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return new Response(error.message || 'Error proxying M3U8 file', {
|
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status: 500,
|
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headers: {
|
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'Access-Control-Allow-Origin': '*'
|
||||
}
|
||||
});
|
||||
|
||||
return newLines.join("\n");
|
||||
} else {
|
||||
// This is a media playlist with segments
|
||||
const lines = m3u8Content.split("\n");
|
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const newLines: string[] = [];
|
||||
|
||||
for (const line of lines) {
|
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if (line.startsWith("#")) {
|
||||
if (line.startsWith("#EXT-X-KEY:")) {
|
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// Proxy the key URL
|
||||
const regex = /https?:\/\/[^\""\s]+/g;
|
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const keyUrl = regex.exec(line)?.[0];
|
||||
if (keyUrl) {
|
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const proxyKeyUrl = `${baseProxyUrl}/ts-proxy?url=${encodeURIComponent(keyUrl)}&headers=${encodeURIComponent(JSON.stringify(headers))}`;
|
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newLines.push(line.replace(keyUrl, proxyKeyUrl));
|
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} else {
|
||||
newLines.push(line);
|
||||
}
|
||||
} else {
|
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newLines.push(line);
|
||||
}
|
||||
} else if (line.trim() && !line.startsWith("#")) {
|
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// This is a segment URL (.ts file)
|
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const segmentUrl = parseURL(line, url);
|
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if (segmentUrl) {
|
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newLines.push(`${baseProxyUrl}/ts-proxy?url=${encodeURIComponent(segmentUrl)}&headers=${encodeURIComponent(JSON.stringify(headers))}`);
|
||||
} else {
|
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newLines.push(line);
|
||||
}
|
||||
} else {
|
||||
// Comment or empty line, preserve it
|
||||
newLines.push(line);
|
||||
}
|
||||
}
|
||||
|
||||
// Set appropriate headers
|
||||
setResponseHeaders(event, {
|
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'Content-Type': 'application/vnd.apple.mpegurl',
|
||||
'Access-Control-Allow-Origin': '*',
|
||||
'Access-Control-Allow-Headers': '*',
|
||||
'Access-Control-Allow-Methods': '*',
|
||||
'Cache-Control': 'no-cache, no-store, must-revalidate'
|
||||
});
|
||||
|
||||
return newLines.join("\n");
|
||||
}
|
||||
} catch (error: any) {
|
||||
console.error('Unexpected error in m3u8-proxy:', error);
|
||||
return new Response(error.message || 'Unexpected error in m3u8-proxy', {
|
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status: 500,
|
||||
headers: {
|
||||
'Access-Control-Allow-Origin': '*'
|
||||
}
|
||||
});
|
||||
console.error('Error proxying M3U8:', error);
|
||||
return sendError(event, createError({
|
||||
statusCode: 500,
|
||||
statusMessage: error.message || 'Error proxying M3U8 file'
|
||||
}));
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
export default defineEventHandler(async (event) => {
|
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// Handle CORS preflight requests
|
||||
if (isPreflightRequest(event)) return handleCors(event, {});
|
||||
|
||||
return await proxyM3U8(event);
|
||||
});
|
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|
|
@ -3,103 +3,64 @@
|
|||
* @description Proxies TS (transport stream) files
|
||||
*/
|
||||
|
||||
// Helper function to safely create a URL object
|
||||
function safeCreateURL(url: string, base?: string): URL | null {
|
||||
try {
|
||||
return base ? new URL(url, base) : new URL(url);
|
||||
} catch (error) {
|
||||
console.error("URL parsing error:", error, "URL:", url, "Base:", base);
|
||||
return null;
|
||||
}
|
||||
}
|
||||
import { setResponseHeaders } from 'h3';
|
||||
|
||||
export default async function(request: Request, env: any, ctx: any) {
|
||||
/**
|
||||
* Proxies TS (transport stream) files
|
||||
*/
|
||||
export default defineEventHandler(async (event) => {
|
||||
// Handle CORS preflight requests
|
||||
if (request.method === 'OPTIONS') {
|
||||
return new Response(null, {
|
||||
headers: {
|
||||
'Access-Control-Allow-Origin': '*',
|
||||
'Access-Control-Allow-Methods': 'GET, OPTIONS',
|
||||
'Access-Control-Allow-Headers': '*',
|
||||
'Access-Control-Max-Age': '86400',
|
||||
}
|
||||
});
|
||||
if (isPreflightRequest(event)) return handleCors(event, {});
|
||||
|
||||
const url = getQuery(event).url as string;
|
||||
const headersParam = getQuery(event).headers as string;
|
||||
|
||||
if (!url) {
|
||||
return sendError(event, createError({
|
||||
statusCode: 400,
|
||||
statusMessage: 'URL parameter is required'
|
||||
}));
|
||||
}
|
||||
|
||||
let headers = {};
|
||||
try {
|
||||
headers = headersParam ? JSON.parse(headersParam) : {};
|
||||
} catch (e) {
|
||||
return sendError(event, createError({
|
||||
statusCode: 400,
|
||||
statusMessage: 'Invalid headers format'
|
||||
}));
|
||||
}
|
||||
|
||||
try {
|
||||
// Parse URL parameters
|
||||
const url = new URL(request.url);
|
||||
const targetUrl = url.searchParams.get('url');
|
||||
const headersParam = url.searchParams.get('headers');
|
||||
|
||||
if (!targetUrl) {
|
||||
return new Response('URL parameter is required', {
|
||||
status: 400,
|
||||
headers: { 'Access-Control-Allow-Origin': '*' }
|
||||
});
|
||||
}
|
||||
|
||||
let customHeaders = {};
|
||||
try {
|
||||
customHeaders = headersParam ? JSON.parse(headersParam) : {};
|
||||
} catch (e) {
|
||||
return new Response('Invalid headers format', {
|
||||
status: 400,
|
||||
headers: { 'Access-Control-Allow-Origin': '*' }
|
||||
});
|
||||
}
|
||||
|
||||
// Validate the URL
|
||||
const validatedUrl = safeCreateURL(targetUrl);
|
||||
if (!validatedUrl) {
|
||||
console.error('Invalid target URL:', targetUrl);
|
||||
return new Response('Invalid target URL', {
|
||||
status: 400,
|
||||
headers: { 'Access-Control-Allow-Origin': '*' }
|
||||
});
|
||||
}
|
||||
|
||||
// Create request headers
|
||||
const requestHeaders = new Headers({
|
||||
'User-Agent': 'Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/80.0.3987.132 Safari/537.36',
|
||||
'Accept': '*/*',
|
||||
'Accept-Language': 'en-US,en;q=0.9',
|
||||
...customHeaders
|
||||
});
|
||||
|
||||
console.log('Fetching TS from:', validatedUrl.toString());
|
||||
console.log('With headers:', JSON.stringify(Object.fromEntries(requestHeaders.entries())));
|
||||
|
||||
// Fetch the TS file
|
||||
const response = await fetch(validatedUrl.toString(), {
|
||||
const response = await fetch(url, {
|
||||
method: 'GET',
|
||||
headers: requestHeaders
|
||||
headers: {
|
||||
...headers as HeadersInit,
|
||||
'User-Agent': 'Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/80.0.3987.132 Safari/537.36',
|
||||
}
|
||||
});
|
||||
|
||||
if (!response.ok) {
|
||||
throw new Error(`Failed to fetch TS file: ${response.status} ${response.statusText}`);
|
||||
}
|
||||
|
||||
// Get response as arrayBuffer
|
||||
const data = await response.arrayBuffer();
|
||||
|
||||
// Return the response with appropriate headers
|
||||
return new Response(data, {
|
||||
headers: {
|
||||
'Content-Type': 'video/mp2t',
|
||||
'Access-Control-Allow-Origin': '*',
|
||||
'Access-Control-Allow-Headers': '*',
|
||||
'Access-Control-Allow-Methods': '*',
|
||||
'Cache-Control': 'public, max-age=3600' // Allow caching of TS segments
|
||||
}
|
||||
// Set appropriate headers for each video segment
|
||||
setResponseHeaders(event, {
|
||||
'Content-Type': 'video/mp2t',
|
||||
'Access-Control-Allow-Origin': '*',
|
||||
'Access-Control-Allow-Headers': '*',
|
||||
'Access-Control-Allow-Methods': '*',
|
||||
'Cache-Control': 'public, max-age=3600' // Allow caching of TS segments
|
||||
});
|
||||
|
||||
// Return the binary data directly - Nitro should handle this properly
|
||||
return new Uint8Array(await response.arrayBuffer());
|
||||
} catch (error: any) {
|
||||
console.error('Error proxying TS file:', error);
|
||||
return new Response(error.message || 'Error proxying TS file', {
|
||||
status: 500,
|
||||
headers: {
|
||||
'Access-Control-Allow-Origin': '*'
|
||||
}
|
||||
});
|
||||
return sendError(event, createError({
|
||||
statusCode: error.response?.status || 500,
|
||||
statusMessage: error.message || 'Error proxying TS file'
|
||||
}));
|
||||
}
|
||||
}
|
||||
});
|
||||
Loading…
Reference in a new issue