init

2026-05-14 15:43:32 +01:00
parent 450af53370
commit c02a56cafa
16 changed files with 5297 additions and 1 deletions
@@ -0,0 +1,98 @@
+const fs = require('node:fs')
+const http = require('node:http')
+const path = require('node:path')
+
+const PORT = Number(process.env.PORT || 3001)
+const API_UPSTREAM = process.env.API_UPSTREAM || 'http://127.0.0.1:6000'
+const DIST_DIR = path.join(__dirname, 'dist')
+
+const mimeTypes = {
+  '.css': 'text/css; charset=utf-8',
+  '.html': 'text/html; charset=utf-8',
+  '.ico': 'image/x-icon',
+  '.js': 'text/javascript; charset=utf-8',
+  '.json': 'application/json; charset=utf-8',
+  '.map': 'application/json; charset=utf-8',
+  '.png': 'image/png',
+  '.svg': 'image/svg+xml',
+  '.webp': 'image/webp',
+}
+
+function send(res, status, body, headers = {}) {
+  res.writeHead(status, headers)
+  res.end(body)
+}
+
+function proxyRequest(req, res) {
+  const target = new URL(req.url, API_UPSTREAM)
+  const proxy = http.request(
+    target,
+    {
+      method: req.method,
+      headers: {
+        ...req.headers,
+        host: target.host,
+      },
+    },
+    (proxyRes) => {
+      res.writeHead(proxyRes.statusCode || 502, proxyRes.headers)
+      proxyRes.pipe(res)
+    },
+  )
+
+  proxy.on('error', (error) => {
+    send(
+      res,
+      502,
+      JSON.stringify({ error: 'API proxy failed', detail: error.message }),
+      { 'content-type': 'application/json; charset=utf-8' },
+    )
+  })
+
+  req.pipe(proxy)
+}
+
+function serveStatic(req, res) {
+  const requestPath = decodeURIComponent(new URL(req.url, `http://localhost:${PORT}`).pathname)
+  const relativePath = requestPath === '/' ? '/index.html' : requestPath
+  const filePath = path.normalize(path.join(DIST_DIR, relativePath))
+
+  if (!filePath.startsWith(DIST_DIR)) {
+    return send(res, 403, 'Forbidden', { 'content-type': 'text/plain; charset=utf-8' })
+  }
+
+  fs.readFile(filePath, (error, data) => {
+    if (error) {
+      fs.readFile(path.join(DIST_DIR, 'index.html'), (indexError, indexData) => {
+        if (indexError) {
+          return send(res, 404, 'Build not found. Run npm run build first.', {
+            'content-type': 'text/plain; charset=utf-8',
+          })
+        }
+
+        send(res, 200, indexData, { 'content-type': mimeTypes['.html'] })
+      })
+      return
+    }
+
+    const ext = path.extname(filePath)
+    send(res, 200, data, {
+      'content-type': mimeTypes[ext] || 'application/octet-stream',
+      'cache-control': ext === '.html' ? 'no-cache' : 'public, max-age=31536000, immutable',
+    })
+  })
+}
+
+http
+  .createServer((req, res) => {
+    if (req.url === '/health' || req.url.startsWith('/api/')) {
+      proxyRequest(req, res)
+      return
+    }
+
+    serveStatic(req, res)
+  })
+  .listen(PORT, '0.0.0.0', () => {
+    console.log(`tssbot-web serving http://localhost:${PORT}`)
+    console.log(`proxying API requests to ${API_UPSTREAM}`)
+  })