first commit

app/actions/upload.ts

@@ -0,0 +1,34 @@
+'use server'
+
+import { promises as fs } from 'fs'
+import path from 'path'
+import { cookies } from 'next/headers'
+
+export async function uploadImage(formData: FormData) {
+  const cookieStore = await cookies()
+  const session = cookieStore.get('admin_session')?.value
+  const secret = process.env.ADMIN_SECRET || 'secret'
+  
+  if (!session || session !== secret) {
+    throw new Error('Unauthorized')
+  }
+
+  const file = formData.get('file') as File
+  if (!file) {
+    throw new Error('No file uploaded')
+  }
+
+  const bytes = await file.arrayBuffer()
+  const buffer = Buffer.from(bytes)
+
+  const extension = path.extname(file.name) || '.jpg'
+  const filename = `${Date.now()}-${Math.random().toString(36).substring(7)}${extension}`
+  
+  const uploadDir = path.join(process.cwd(), 'public', 'uploads')
+  await fs.mkdir(uploadDir, { recursive: true })
+
+  const filePath = path.join(uploadDir, filename)
+  await fs.writeFile(filePath, buffer)
+
+  return { url: `/uploads/${filename}` }
+}