feat: qwen

app/api/alibaba/[...path]/route.ts

@@ -0,0 +1,175 @@
+import { getServerSideConfig } from "@/app/config/server";
+import {
+  Alibaba,
+  ALIBABA_BASE_URL,
+  ApiPath,
+  ModelProvider,
+  ServiceProvider,
+} from "@/app/constant";
+import { prettyObject } from "@/app/utils/format";
+import { NextRequest, NextResponse } from "next/server";
+import { auth } from "@/app/api/auth";
+import { isModelAvailableInServer } from "@/app/utils/model";
+import type { RequestPayload } from "@/app/client/platforms/openai";
+
+const serverConfig = getServerSideConfig();
+
+async function handle(
+  req: NextRequest,
+  { params }: { params: { path: string[] } },
+) {
+  console.log("[Alibaba Route] params ", params);
+
+  if (req.method === "OPTIONS") {
+    return NextResponse.json({ body: "OK" }, { status: 200 });
+  }
+
+  const authResult = auth(req, ModelProvider.Qwen);
+  if (authResult.error) {
+    return NextResponse.json(authResult, {
+      status: 401,
+    });
+  }
+
+  try {
+    const response = await request(req);
+    return response;
+  } catch (e) {
+    console.error("[Alibaba] ", e);
+    return NextResponse.json(prettyObject(e));
+  }
+}
+
+export const GET = handle;
+export const POST = handle;
+
+export const runtime = "edge";
+export const preferredRegion = [
+  "arn1",
+  "bom1",
+  "cdg1",
+  "cle1",
+  "cpt1",
+  "dub1",
+  "fra1",
+  "gru1",
+  "hnd1",
+  "iad1",
+  "icn1",
+  "kix1",
+  "lhr1",
+  "pdx1",
+  "sfo1",
+  "sin1",
+  "syd1",
+];
+
+async function request(req: NextRequest) {
+  const controller = new AbortController();
+
+  // alibaba use base url or just remove the path
+  let path = `${req.nextUrl.pathname}`.replaceAll(
+    ApiPath.Alibaba + "/" + Alibaba.ChatPath,
+    "",
+  );
+
+  let baseUrl = serverConfig.alibabaUrl || ALIBABA_BASE_URL;
+
+  if (!baseUrl.startsWith("http")) {
+    baseUrl = `https://${baseUrl}`;
+  }
+
+  if (baseUrl.endsWith("/")) {
+    baseUrl = baseUrl.slice(0, -1);
+  }
+
+  console.log("[Proxy] ", path);
+  console.log("[Base Url]", baseUrl);
+
+  const timeoutId = setTimeout(
+    () => {
+      controller.abort();
+    },
+    10 * 60 * 1000,
+  );
+
+  const fetchUrl = `${baseUrl}${path}`;
+
+  const clonedBody = await req.text();
+
+  const { messages, model, stream, top_p, ...rest } = JSON.parse(
+    clonedBody,
+  ) as RequestPayload;
+
+  const requestBody = {
+    model,
+    input: {
+      messages,
+    },
+    parameters: {
+      ...rest,
+      top_p: top_p === 1 ? 0.99 : top_p, // qwen top_p is should be < 1
+      result_format: "message",
+      incremental_output: true,
+    },
+  };
+
+  const fetchOptions: RequestInit = {
+    headers: {
+      "Content-Type": "application/json",
+      Authorization: req.headers.get("Authorization") ?? "",
+      "X-DashScope-SSE": stream ? "enable" : "disable",
+    },
+    method: req.method,
+    body: JSON.stringify(requestBody),
+    redirect: "manual",
+    // @ts-ignore
+    duplex: "half",
+    signal: controller.signal,
+  };
+
+  // #1815 try to refuse some request to some models
+  if (serverConfig.customModels && req.body) {
+    try {
+      // not undefined and is false
+      if (
+        isModelAvailableInServer(
+          serverConfig.customModels,
+          model as string,
+          ServiceProvider.Alibaba as string,
+        )
+      ) {
+        return NextResponse.json(
+          {
+            error: true,
+            message: `you are not allowed to use ${model} model`,
+          },
+          {
+            status: 403,
+          },
+        );
+      }
+    } catch (e) {
+      console.error(`[Alibaba] filter`, e);
+    }
+  }
+  console.log("[Alibaba request]", fetchOptions.headers, req.method);
+  try {
+    const res = await fetch(fetchUrl, fetchOptions);
+
+    console.log("[Alibaba response]", res.status, "   ", res.headers, res.url);
+    // to prevent browser prompt for credentials
+    const newHeaders = new Headers(res.headers);
+    newHeaders.delete("www-authenticate");
+    // to disable nginx buffering
+    newHeaders.set("X-Accel-Buffering", "no");
+
+    return new Response(res.body, {
+      status: res.status,
+      statusText: res.statusText,
+      headers: newHeaders,
+    });
+  } finally {
+    clearTimeout(timeoutId);
+  }
+}

app/api/auth.ts

@@ -73,6 +73,9 @@ export function auth(req: NextRequest, modelProvider: ModelProvider) {
       case ModelProvider.Claude:
         systemApiKey = serverConfig.anthropicApiKey;
         break;
+      case ModelProvider.Qwen:
+        systemApiKey = serverConfig.alibabaApiKey;
+        break;
       case ModelProvider.GPT:
       default:
         if (req.nextUrl.pathname.includes("azure/deployments")) {

app/client/api.ts

@@ -9,6 +9,8 @@ import { ChatMessage, ModelType, useAccessStore, useChatStore } from "../store";
 import { ChatGPTApi } from "./platforms/openai";
 import { GeminiProApi } from "./platforms/google";
 import { ClaudeApi } from "./platforms/anthropic";
+import { QwenApi } from "./platforms/alibaba";
+
 export const ROLES = ["system", "user", "assistant"] as const;
 export type MessageRole = (typeof ROLES)[number];
 
@@ -104,6 +106,9 @@ export class ClientApi {
       case ModelProvider.Claude:
         this.llm = new ClaudeApi();
         break;
+      case ModelProvider.Qwen:
+        this.llm = new QwenApi();
+        break;
       default:
         this.llm = new ChatGPTApi();
     }
@@ -220,6 +225,8 @@ export function getClientApi(provider: ServiceProvider): ClientApi {
       return new ClientApi(ModelProvider.GeminiPro);
     case ServiceProvider.Anthropic:
       return new ClientApi(ModelProvider.Claude);
+    case ServiceProvider.Alibaba:
+      return new ClientApi(ModelProvider.Qwen);
     default:
       return new ClientApi(ModelProvider.GPT);
   }