100 lines
2.6 KiB
TypeScript
100 lines
2.6 KiB
TypeScript
import { NextRequest, NextResponse } from "next/server";
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import { getServerSideConfig } from "@/app/config/server";
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import { ModelProvider, STABILITY_BASE_URL } from "@/app/constant";
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import { auth } from "@/app/api/auth";
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export async function handle(
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req: NextRequest,
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{ params }: { params: { path: string[] } },
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) {
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console.log("[Stability] params ", params);
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if (req.method === "OPTIONS") {
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return NextResponse.json({ body: "OK" }, { status: 200 });
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}
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const controller = new AbortController();
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const serverConfig = getServerSideConfig();
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let baseUrl = serverConfig.stabilityUrl || STABILITY_BASE_URL;
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if (!baseUrl.startsWith("http")) {
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baseUrl = `https://${baseUrl}`;
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}
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if (baseUrl.endsWith("/")) {
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baseUrl = baseUrl.slice(0, -1);
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}
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let path = `${req.nextUrl.pathname}`.replaceAll("/api/stability/", "");
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console.log("[Stability Proxy] ", path);
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console.log("[Stability Base Url]", baseUrl);
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const timeoutId = setTimeout(
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() => {
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controller.abort();
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},
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10 * 60 * 1000,
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);
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const authResult = auth(req, ModelProvider.Stability);
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if (authResult.error) {
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return NextResponse.json(authResult, {
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status: 401,
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});
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}
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const bearToken = req.headers.get("Authorization") ?? "";
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const token = bearToken.trim().replaceAll("Bearer ", "").trim();
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const key = token ? token : serverConfig.stabilityApiKey;
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if (!key) {
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return NextResponse.json(
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{
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error: true,
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message: `missing STABILITY_API_KEY in server env vars`,
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},
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{
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status: 401,
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},
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);
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}
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const fetchUrl = `${baseUrl}/${path}`;
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console.log("[Stability Url] ", fetchUrl);
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const fetchOptions: RequestInit = {
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headers: {
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"Content-Type": req.headers.get("Content-Type") || "multipart/form-data",
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Accept: req.headers.get("Accept") || "application/json",
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Authorization: `Bearer ${key}`,
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},
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method: req.method,
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body: req.body,
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// to fix #2485: https://stackoverflow.com/questions/55920957/cloudflare-worker-typeerror-one-time-use-body
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redirect: "manual",
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// @ts-ignore
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duplex: "half",
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signal: controller.signal,
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};
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try {
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const res = await fetch(fetchUrl, fetchOptions);
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// to prevent browser prompt for credentials
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const newHeaders = new Headers(res.headers);
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newHeaders.delete("www-authenticate");
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// to disable nginx buffering
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newHeaders.set("X-Accel-Buffering", "no");
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return new Response(res.body, {
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status: res.status,
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statusText: res.statusText,
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headers: newHeaders,
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});
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} finally {
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clearTimeout(timeoutId);
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}
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}
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