This commit is contained in:
Pas 2025-05-14 17:42:51 -06:00
parent 146f3a0b42
commit eeb18a0efa
2 changed files with 255 additions and 167 deletions

View file

@ -3,26 +3,40 @@
* @description Proxies m3u8 files and their segments * @description Proxies m3u8 files and their segments
*/ */
// 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;
}
}
// Helper function to parse URLs // Helper function to parse URLs
function parseURL(req_url: string, baseUrl?: string) { function parseURL(req_url: string, baseUrl?: string) {
try { try {
if (baseUrl) { if (baseUrl) {
return new URL(req_url, baseUrl).toString(); const url = safeCreateURL(req_url, baseUrl);
return url ? url.toString() : null;
} }
// If it's already a fully qualified URL // If it's already a fully qualified URL
if (/^https?:\/\//i.test(req_url)) { if (/^https?:\/\//i.test(req_url)) {
return new URL(req_url).toString(); const url = safeCreateURL(req_url);
return url ? url.toString() : null;
} }
// If it starts with // (protocol-relative URL) // If it starts with // (protocol-relative URL)
if (req_url.startsWith('//')) { if (req_url.startsWith('//')) {
return new URL(`https:${req_url}`).toString(); const url = safeCreateURL(`https:${req_url}`);
return url ? url.toString() : null;
} }
// If it's a relative URL and we have a base URL // If it's a relative URL and we have a base URL
if (baseUrl) { if (baseUrl) {
return new URL(req_url, baseUrl).toString(); const url = safeCreateURL(req_url, baseUrl);
return url ? url.toString() : null;
} }
return null; return null;
@ -45,6 +59,7 @@ export default async function(request: Request, env: any, ctx: any) {
}); });
} }
try {
// Parse URL parameters // Parse URL parameters
const url = new URL(request.url); const url = new URL(request.url);
const targetUrl = url.searchParams.get('url'); const targetUrl = url.searchParams.get('url');
@ -64,6 +79,15 @@ export default async function(request: Request, env: any, ctx: any) {
return new Response('Invalid headers format', { status: 400 }); return new Response('Invalid headers format', { status: 400 });
} }
// Validate target URL
const validatedUrl = safeCreateURL(targetUrl);
if (!validatedUrl) {
return new Response(`Invalid target URL: ${targetUrl}`, {
status: 400,
headers: { 'Access-Control-Allow-Origin': '*' }
});
}
try { try {
// Create base request headers // Create base request headers
const requestHeaders = new Headers({ const requestHeaders = new Headers({
@ -73,11 +97,11 @@ export default async function(request: Request, env: any, ctx: any) {
...customHeaders ...customHeaders
}); });
console.log("Making request to:", targetUrl); console.log("Making request to:", validatedUrl.toString());
console.log("With headers:", JSON.stringify(Object.fromEntries(requestHeaders.entries()))); console.log("With headers:", JSON.stringify(Object.fromEntries(requestHeaders.entries())));
// Use fetch API which is natively available in Workers // Use fetch API which is natively available in Workers
const response = await fetch(targetUrl, { const response = await fetch(validatedUrl.toString(), {
headers: requestHeaders headers: requestHeaders
}); });
@ -117,7 +141,15 @@ export default async function(request: Request, env: any, ctx: any) {
let fullKeyUrl; let fullKeyUrl;
try { try {
// Try to get the full URL // Try to get the full URL
fullKeyUrl = keyUrl.startsWith('http') ? keyUrl : new URL(keyUrl, targetUrl).toString(); const keyUrlObj = keyUrl.startsWith('http')
? safeCreateURL(keyUrl)
: safeCreateURL(keyUrl, validatedUrl.toString());
if (!keyUrlObj) {
throw new Error("Could not create valid URL for key");
}
fullKeyUrl = keyUrlObj.toString();
const proxyKeyUrl = `${baseProxyUrl}/ts-proxy?url=${encodeURIComponent(fullKeyUrl)}&headers=${encodeURIComponent(JSON.stringify(customHeaders))}`; const proxyKeyUrl = `${baseProxyUrl}/ts-proxy?url=${encodeURIComponent(fullKeyUrl)}&headers=${encodeURIComponent(JSON.stringify(customHeaders))}`;
newLines.push(line.replace(keyUrl, proxyKeyUrl)); newLines.push(line.replace(keyUrl, proxyKeyUrl));
} catch (error) { } catch (error) {
@ -136,7 +168,15 @@ export default async function(request: Request, env: any, ctx: any) {
if (mediaUrl) { if (mediaUrl) {
try { try {
// Try to get the full URL // Try to get the full URL
const fullMediaUrl = mediaUrl.startsWith('http') ? mediaUrl : new URL(mediaUrl, targetUrl).toString(); const mediaUrlObj = mediaUrl.startsWith('http')
? safeCreateURL(mediaUrl)
: safeCreateURL(mediaUrl, validatedUrl.toString());
if (!mediaUrlObj) {
throw new Error("Could not create valid URL for media");
}
const fullMediaUrl = mediaUrlObj.toString();
const proxyMediaUrl = `${baseProxyUrl}/m3u8-proxy?url=${encodeURIComponent(fullMediaUrl)}&headers=${encodeURIComponent(JSON.stringify(customHeaders))}`; const proxyMediaUrl = `${baseProxyUrl}/m3u8-proxy?url=${encodeURIComponent(fullMediaUrl)}&headers=${encodeURIComponent(JSON.stringify(customHeaders))}`;
newLines.push(line.replace(mediaUrl, proxyMediaUrl)); newLines.push(line.replace(mediaUrl, proxyMediaUrl));
} catch (error) { } catch (error) {
@ -153,7 +193,15 @@ export default async function(request: Request, env: any, ctx: any) {
// This is a quality variant URL // This is a quality variant URL
try { try {
// Try to create a full URL // Try to create a full URL
const variantUrl = line.startsWith('http') ? line : new URL(line, targetUrl).toString(); const variantUrlObj = line.startsWith('http')
? safeCreateURL(line)
: safeCreateURL(line, validatedUrl.toString());
if (!variantUrlObj) {
throw new Error("Could not create valid URL for variant");
}
const variantUrl = variantUrlObj.toString();
newLines.push(`${baseProxyUrl}/m3u8-proxy?url=${encodeURIComponent(variantUrl)}&headers=${encodeURIComponent(JSON.stringify(customHeaders))}`); newLines.push(`${baseProxyUrl}/m3u8-proxy?url=${encodeURIComponent(variantUrl)}&headers=${encodeURIComponent(JSON.stringify(customHeaders))}`);
} catch (error) { } catch (error) {
console.error("Error processing variant URL:", line, error); console.error("Error processing variant URL:", line, error);
@ -184,7 +232,15 @@ export default async function(request: Request, env: any, ctx: any) {
if (keyUrl) { if (keyUrl) {
try { try {
// Try to get the full URL // Try to get the full URL
const fullKeyUrl = keyUrl.startsWith('http') ? keyUrl : new URL(keyUrl, targetUrl).toString(); const keyUrlObj = keyUrl.startsWith('http')
? safeCreateURL(keyUrl)
: safeCreateURL(keyUrl, validatedUrl.toString());
if (!keyUrlObj) {
throw new Error("Could not create valid URL for key");
}
const fullKeyUrl = keyUrlObj.toString();
const proxyKeyUrl = `${baseProxyUrl}/ts-proxy?url=${encodeURIComponent(fullKeyUrl)}&headers=${encodeURIComponent(JSON.stringify(customHeaders))}`; const proxyKeyUrl = `${baseProxyUrl}/ts-proxy?url=${encodeURIComponent(fullKeyUrl)}&headers=${encodeURIComponent(JSON.stringify(customHeaders))}`;
newLines.push(line.replace(keyUrl, proxyKeyUrl)); newLines.push(line.replace(keyUrl, proxyKeyUrl));
} catch (error) { } catch (error) {
@ -201,7 +257,15 @@ export default async function(request: Request, env: any, ctx: any) {
// This is a segment URL (.ts file) // This is a segment URL (.ts file)
try { try {
// Try to create a full URL // Try to create a full URL
const segmentUrl = line.startsWith('http') ? line : new URL(line, targetUrl).toString(); const segmentUrlObj = line.startsWith('http')
? safeCreateURL(line)
: safeCreateURL(line, validatedUrl.toString());
if (!segmentUrlObj) {
throw new Error("Could not create valid URL for segment");
}
const segmentUrl = segmentUrlObj.toString();
newLines.push(`${baseProxyUrl}/ts-proxy?url=${encodeURIComponent(segmentUrl)}&headers=${encodeURIComponent(JSON.stringify(customHeaders))}`); newLines.push(`${baseProxyUrl}/ts-proxy?url=${encodeURIComponent(segmentUrl)}&headers=${encodeURIComponent(JSON.stringify(customHeaders))}`);
} catch (error) { } catch (error) {
console.error("Error processing segment URL:", line, error); console.error("Error processing segment URL:", line, error);
@ -226,4 +290,13 @@ export default async function(request: Request, env: any, ctx: any) {
} }
}); });
} }
} catch (error: any) {
console.error('Unexpected error in m3u8-proxy:', error);
return new Response(error.message || 'Unexpected error in m3u8-proxy', {
status: 500,
headers: {
'Access-Control-Allow-Origin': '*'
}
});
}
} }

View file

@ -3,6 +3,16 @@
* @description Proxies TS (transport stream) files * @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;
}
}
export default async function(request: Request, env: any, ctx: any) { export default async function(request: Request, env: any, ctx: any) {
// Handle CORS preflight requests // Handle CORS preflight requests
if (request.method === 'OPTIONS') { if (request.method === 'OPTIONS') {
@ -23,21 +33,26 @@ export default async function(request: Request, env: any, ctx: any) {
const headersParam = url.searchParams.get('headers'); const headersParam = url.searchParams.get('headers');
if (!targetUrl) { if (!targetUrl) {
return new Response('URL parameter is required', { status: 400 }); return new Response('URL parameter is required', {
status: 400,
headers: { 'Access-Control-Allow-Origin': '*' }
});
} }
let customHeaders = {}; let customHeaders = {};
try { try {
customHeaders = headersParam ? JSON.parse(headersParam) : {}; customHeaders = headersParam ? JSON.parse(headersParam) : {};
} catch (e) { } catch (e) {
return new Response('Invalid headers format', { status: 400 }); return new Response('Invalid headers format', {
status: 400,
headers: { 'Access-Control-Allow-Origin': '*' }
});
} }
// Validate the URL // Validate the URL
try { const validatedUrl = safeCreateURL(targetUrl);
new URL(targetUrl); if (!validatedUrl) {
} catch (error) { console.error('Invalid target URL:', targetUrl);
console.error('Invalid target URL:', targetUrl, error);
return new Response('Invalid target URL', { return new Response('Invalid target URL', {
status: 400, status: 400,
headers: { 'Access-Control-Allow-Origin': '*' } headers: { 'Access-Control-Allow-Origin': '*' }
@ -52,11 +67,11 @@ export default async function(request: Request, env: any, ctx: any) {
...customHeaders ...customHeaders
}); });
console.log('Fetching TS from:', targetUrl); console.log('Fetching TS from:', validatedUrl.toString());
console.log('With headers:', JSON.stringify(Object.fromEntries(requestHeaders.entries()))); console.log('With headers:', JSON.stringify(Object.fromEntries(requestHeaders.entries())));
// Fetch the TS file // Fetch the TS file
const response = await fetch(targetUrl, { const response = await fetch(validatedUrl.toString(), {
method: 'GET', method: 'GET',
headers: requestHeaders headers: requestHeaders
}); });