35 lines
1.2 KiB
TypeScript
35 lines
1.2 KiB
TypeScript
import { revalidateTag } from "next/cache";
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import { NextRequest, NextResponse } from "next/server";
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/**
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* 接收 Wagtail `page_published` signal 发出的发布通知，
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* 对 fetch 缓存标签做精准失效（详见 documents/设计方案分析与完善版.md §2.7）。
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*
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* 后端调用示例（apps/core/signals.py）：
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* POST {FRONTEND_REVALIDATE_URL}
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* Headers: Authorization: Bearer {REVALIDATE_SECRET}
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* Body: { "tags": ["page:1", "/some/url/"] }
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*/
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export async function POST(request: NextRequest) {
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const authHeader = request.headers.get("authorization");
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const expected = `Bearer ${process.env.REVALIDATE_SECRET}`;
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if (!process.env.REVALIDATE_SECRET || authHeader !== expected) {
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return NextResponse.json({ error: "Unauthorized" }, { status: 401 });
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}
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const body = await request.json().catch(() => null);
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const tags: string[] = body?.tags ?? [];
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if (!Array.isArray(tags) || tags.length === 0) {
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return NextResponse.json({ error: "No tags provided" }, { status: 400 });
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}
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for (const tag of tags) {
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// Next.js 16 要求传入 cache profile；"max" 表示立即使该标签下的缓存完全失效。
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revalidateTag(tag, "max");
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}
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return NextResponse.json({ revalidated: tags });
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}
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