101 lines
2.6 KiB
TypeScript
101 lines
2.6 KiB
TypeScript
import type { NextRequest } from 'next/server';
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import { auth } from '@/app/api/auth';
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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 { NextResponse } from 'next/server';
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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://${baseUrl}`;
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}
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if (baseUrl.endsWith('/')) {
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baseUrl = baseUrl.slice(0, -1);
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}
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const path = `${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 || 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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