Make Qwen OAuth work on Vercel

app/api/ollama/chat/route.ts

@@ -0,0 +1,57 @@
+import { NextRequest, NextResponse } from "next/server";
+import { normalizeOllamaBase, DEFAULT_OLLAMA_BASE } from "../constants";
+
+const API_PREFIX = "/api";
+
+function getApiKey(request: NextRequest): string | null {
+  return request.headers.get("x-ollama-api-key");
+}
+
+function getBaseUrl(request: NextRequest): string {
+  const header = request.headers.get("x-ollama-endpoint");
+  if (header && header.trim().length > 0) {
+    return normalizeOllamaBase(header);
+  }
+  return DEFAULT_OLLAMA_BASE;
+}
+
+export async function POST(request: NextRequest) {
+  const apiKey = getApiKey(request);
+  if (!apiKey) {
+    return NextResponse.json(
+      { error: "Ollama API key is required" },
+      { status: 401 }
+    );
+  }
+
+  const body = await request.json();
+  const baseUrl = getBaseUrl(request);
+  const targetUrl = `${baseUrl}${API_PREFIX}/chat`;
+
+  try {
+    const response = await fetch(targetUrl, {
+      method: "POST",
+      headers: {
+        "Content-Type": "application/json",
+        Authorization: `Bearer ${apiKey}`,
+      },
+      body: JSON.stringify(body),
+    });
+
+    const payload = await response.text();
+    if (!response.ok) {
+      return NextResponse.json(
+        { error: "Ollama chat request failed", details: payload },
+        { status: response.status }
+      );
+    }
+
+    return NextResponse.json(payload ? JSON.parse(payload) : {});
+  } catch (error) {
+    console.error("Ollama chat proxy failed", error);
+    return NextResponse.json(
+      { error: "Ollama chat request failed" },
+      { status: 500 }
+    );
+  }
+}