feat: implement password

src/app/api/login/route.ts

@@ -0,0 +1,29 @@
+import { NextRequest, NextResponse } from 'next/server';
+
+export async function POST(req: NextRequest) {
+  try {
+    const result = process.env.PASSWORD;
+
+    if (!result) {
+      return NextResponse.json({ ok: true });
+    }
+
+    const { password } = await req.json();
+    if (typeof password !== 'string') {
+      return NextResponse.json({ error: '密码不能为空' }, { status: 400 });
+    }
+
+    const matched = password === result;
+
+    if (!matched) {
+      return NextResponse.json(
+        { ok: false, error: '密码错误' },
+        { status: 401 }
+      );
+    }
+
+    return NextResponse.json({ ok: true });
+  } catch (error) {
+    return NextResponse.json({ error: '服务器错误' }, { status: 500 });
+  }
+}