Update main.ts

main.ts

@@ -1,4 +1,4 @@
-// file: openai_tau_proxy_confirm_newlines.ts
+// file: openai_tau_proxy_fixed.ts
 
 /**
  * Deno script to proxy OpenAI chat completion requests to a Tau API.
@@ -7,6 +7,9 @@
  * Also supports the /v1/models endpoint.
  * Includes fix for model placement, configurable API key, explicit semicolons,
  * quote cleaning, and debug logging to confirm newline escaping in JSON.
+ *
+ * FIX: Added CORS preflight (OPTIONS) request handler to allow web clients
+ * like New API to make POST requests across different origins.
  */
 
 // --- Constants ---
@@ -550,28 +553,42 @@ async function handleChatCompletions(request: Request): Promise<Response> {
 }
 
 
-// --- Main Request Handler Dispatcher ---
+// --- Main Request Handler Dispatcher (FIXED) ---
 
 async function handler(request: Request): Promise<Response> {
     const url = new URL(request.url);
     const path = url.pathname;
     const method = request.method;
 
-    console.log(`Received request: ${method} ${path}`);;
+    console.log(`Received request: ${method} ${path}`);
+
+    // Handle CORS preflight (OPTIONS) requests.
+    // This is crucial for web clients like New API to be allowed by the browser
+    // to send the actual POST request.
+    if (method === "OPTIONS") {
+        return new Response(null, {
+            status: 204, // No Content
+            headers: {
+                "Access-Control-Allow-Origin": "*", // Allow any website to connect
+                "Access-Control-Allow-Methods": "POST, GET, OPTIONS", // Allow these methods
+                "Access-Control-Allow-Headers": "Content-Type, Authorization", // Allow these headers in the request
+            },
+        });
+    }
 
     if (method === "GET" && path === "/v1/models") {
-        return handleListModels();;
+        return handleListModels();
     } else if (method === "POST" && path === "/v1/chat/completions") {
-        return handleChatCompletions(request);;
+        return handleChatCompletions(request);
     } else {
-        return new Response("Not Found", { status: 404 });;
+        return new Response("Not Found", { status: 404 });
     }
 }
 
 
 // --- Start Server ---
 const PORT = 8000;
-const HOSTNAME = "0.0.0.0"; // 添加这一行
+const HOSTNAME = "0.0.0.0";
 
-console.log(`Listening on http://${HOSTNAME}:${PORT}/`);; // 修改日志输出以反映正确的主机名
-Deno.serve({ port: PORT, hostname: HOSTNAME }, handler);; // 在这里添加 hostname
+console.log(`Listening on http://${HOSTNAME}:${PORT}/`);
+Deno.serve({ port: PORT, hostname: HOSTNAME }, handler);