Initial commit

api/http.ts

@@ -0,0 +1,43 @@
+import type { VercelRequest, VercelResponse } from '@vercel/node'
+import escapeRegExp from 'lodash.escaperegexp'
+import { ajax } from './utils.js'
+
+export default async function (req: VercelRequest, res: VercelResponse) {
+  if (!isAccepted(req)) {
+    return res.status(403).send('403')
+  }
+
+  try {
+    const { __PREFIX, __PATH } = req.query
+    const { data } = await ajax({
+      method: req.method ?? 'GET',
+      url: `/${encodeURI(`${__PREFIX}${__PATH ? '/' + __PATH : ''}`)}`,
+      params: req.query ?? {},
+      data: req.body || undefined,
+      headers: req.headers as Record<string, string>,
+    })
+    res.status(200).send(data)
+  } catch (e: any) {
+    res.status(e?.response?.status || 500).send(e?.response?.data || e)
+  }
+}
+
+function isAccepted(req: VercelRequest) {
+  const { UA_BLACKLIST = '[]' } = process.env
+  try {
+    const list: string[] = JSON.parse(UA_BLACKLIST)
+    const ua = req.headers['user-agent'] ?? ''
+    return (
+      !!ua &&
+      Array.isArray(list) &&
+      (list.length > 0
+        ? !new RegExp(
+            `(${list.map((str) => escapeRegExp(str)).join('|')})`,
+            'gi'
+          ).test(ua)
+        : true)
+    )
+  } catch (e) {
+    return false
+  }
+}