feat：移除了弹窗，服务器添加sls

netlify/functions/downloads-prepare.mjs

@@ -0,0 +1,91 @@
+// 为Miawa下载源获取直链
+// 成功时 302 到直链，失败时降级到无token页面
+const MIAWA_API = 'https://miawa.cn/api/v2/downloads/prepare'
+const MIAWA_DOWNLOAD_BASE = 'https://miawa.cn/download'
+
+function encodeFilePath(filePath) {
+	return filePath
+		.split('/')
+		.map((segment) => encodeURIComponent(segment))
+		.join('/')
+}
+
+function redirect(location) {
+	return new Response(null, {
+		status: 302,
+		headers: {
+			Location: location,
+			'Cache-Control': 'no-store',
+		},
+	})
+}
+
+function isMiawaUrl(value) {
+	try {
+		const url = new URL(value, 'https://miawa.cn')
+		return url.hostname === 'miawa.cn' || url.hostname.endsWith('.miawa.cn')
+	} catch {
+		return false
+	}
+}
+
+function toAbsoluteMiawaUrl(downloadPath) {
+	if (/^https?:\/\//i.test(downloadPath)) {
+		return new URL(downloadPath).toString()
+	}
+	if (downloadPath.startsWith('//')) {
+		return new URL(`https:${downloadPath}`).toString()
+	}
+	return new URL(downloadPath, 'https://miawa.cn').toString()
+}
+
+function getFilePath(request) {
+	try {
+		if (request.url) {
+			const filePath = new URL(request.url).searchParams.get('file_path')
+			if (filePath) return filePath
+		}
+	} catch {}
+	return request.queryStringParameters?.file_path ?? null
+}
+
+export default async (request) => {
+	try {
+		const filePath = getFilePath(request)
+		if (!filePath) {
+			return new Response('Missing file_path', { status: 400 })
+		}
+
+		const response = await fetch(MIAWA_API, {
+			method: 'POST',
+			headers: {
+				Accept: 'application/json',
+				'Content-Type': 'application/json',
+				'User-Agent': 'Axolotl-Website',
+			},
+			body: JSON.stringify({ file_path: filePath }),
+			signal: AbortSignal.timeout(8000),
+		})
+
+		if (!response.ok) {
+			return redirect(`${MIAWA_DOWNLOAD_BASE}/${encodeFilePath(filePath)}`)
+		}
+
+		const payload = await response.json()
+		const downloadPath = payload?.data?.download_url
+		if (typeof downloadPath !== 'string' || !downloadPath) {
+			return redirect(`${MIAWA_DOWNLOAD_BASE}/${encodeFilePath(filePath)}`)
+		}
+
+		const location = isMiawaUrl(downloadPath)
+			? toAbsoluteMiawaUrl(downloadPath)
+			: `${MIAWA_DOWNLOAD_BASE}/${encodeFilePath(filePath)}`
+		return redirect(location)
+	} catch {
+		const filePath = getFilePath(request)
+		if (!filePath) {
+			return new Response('Missing file_path', { status: 400 })
+		}
+		return redirect(`${MIAWA_DOWNLOAD_BASE}/${encodeFilePath(filePath)}`)
+	}
+}