Create index.js

index.js

@@ -0,0 +1,33 @@
+import crc32 from './crc32.js'
+import http from 'axios'
+import koa from 'koa'
+
+const app = new koa
+
+app.use(async ctx => {
+  const file_url = ctx.path.replace(/^\//, '')
+  const file = await http({
+    method: 'GET',
+    url: file_url,
+    responseType: 'arraybuffer'
+  })
+  const hash = crc32(file.data)
+  const upload_info = await http({
+    method: 'GET',
+    url: 'https://api.xs.cx/upload/sg'
+  })
+  const upload_result = await http({
+    method: 'POST',
+    url: upload_info.url,
+    headers: {
+      'content-crc32': hash,
+      'authorization': upload_info.authorization
+    },
+    data: file.data
+  })
+  ctx.body = upload_result.data
+})
+
+app.listen(3000, () => {
+  console.log('3000')
+})