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This commit is contained in:
Christbru 2025-10-19 11:59:13 -05:00
commit 3c8d08dc03
6 changed files with 66 additions and 43 deletions
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56
web-app/server.mjs
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@ -2,9 +2,7 @@ import express from 'express';
import path from 'node:path';
import helmet from 'helmet';
import cors from 'cors';
import http from 'node:http';
import https from 'node:https';
import { URL } from 'node:url';
import fetch from 'node-fetch';
import { fileURLToPath } from 'node:url';
const __filename = fileURLToPath(import.meta.url);
@ -17,58 +15,34 @@ const RUST_ENGINE_BASE =
process.env.RUST_ENGINE_BASE ||
process.env.RUST_ENGINE_URL ||
'http://rust-engine:8000';
const STORAGE_DIR = path.resolve(process.env.ASTRA_STORAGE || '/app/storage');
app.set('trust proxy', true);
app.use(helmet({ contentSecurityPolicy: false }));
app.use(cors());
app.use(express.json());
app.get('/api/healthz', (_req, res) => {
res.json({ status: 'ok', upstream: RUST_ENGINE_BASE });
});
// Proxy all /api/* calls (including POST bodies, multipart uploads, etc.)
app.use('/api', (req, res) => {
const targetUrl = new URL(req.originalUrl, RUST_ENGINE_BASE);
const client = targetUrl.protocol === 'https:' ? https : http;
const headers = { ...req.headers, host: targetUrl.host };
const proxyReq = client.request(
targetUrl,
{
method: req.method,
headers,
},
(upstream) => {
res.status(upstream.statusCode || 502);
for (const [key, value] of Object.entries(upstream.headers)) {
if (typeof value !== 'undefined') {
res.setHeader(key, value);
}
}
upstream.pipe(res);
}
);
proxyReq.on('error', (err) => {
console.error('API proxy error:', err);
if (!res.headersSent) {
res.status(502).json({ error: 'proxy_failed' });
} else {
res.end();
}
});
req.pipe(proxyReq);
// Proxy minimal API needed by the UI to the rust-engine container
app.post('/api/files/import-demo', async (req, res) => {
try {
const qs = req.url.includes('?') ? req.url.substring(req.url.indexOf('?')) : '';
const url = `${RUST_ENGINE_BASE}/api/files/import-demo${qs}`;
const upstream = await fetch(url, { method: 'POST', headers: { 'content-type': 'application/json' }, body: req.body ? JSON.stringify(req.body) : undefined });
const text = await upstream.text();
res.status(upstream.status).type(upstream.headers.get('content-type') || 'application/json').send(text);
} catch (err) {
console.error('import-demo proxy failed:', err);
res.status(502).json({ error: 'proxy_failed' });
}
});
// Serve static frontend
const distDir = path.resolve(__dirname, 'dist');
app.use(express.static(distDir));
// Expose imported files for the UI (read-only)
app.use('/storage', express.static(STORAGE_DIR));
// SPA fallback (Express 5 requires middleware instead of bare '*')
app.use((req, res) => {
res.sendFile(path.join(distDir, 'index.html'));