LiuShen gist felülvizsgálása 6 months ago. Revízióhoz ugrás
1 file changed, 108 insertions
worker.js(fájl létrehozva)
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| 1 | + | // 利用api.nsmao.net实现的bing接口 | |
| 2 | + | const API_KEY = "ajdlfklahweufbrffbhjefjfsmd,shj" // 自行申请API | |
| 3 | + | const CACHE_TTL = 36000 // 10 小时 | |
| 4 | + | ||
| 5 | + | export default { | |
| 6 | + | async fetch(request, env, ctx) { | |
| 7 | + | const { pathname } = new URL(request.url) | |
| 8 | + | ||
| 9 | + | // 首页说明 | |
| 10 | + | if (pathname === "/") { | |
| 11 | + | return new Response( | |
| 12 | + | "🚀 本服务用于代理并缓存 https://api.nsmao.net 的图片接口，保护密钥不泄露。\n" + | |
| 13 | + | "当前支持：/api/360bz 与 /api/bing 接口，图片将自动缓存10小时以减少请求压力。", | |
| 14 | + | { | |
| 15 | + | status: 200, | |
| 16 | + | headers: { "Content-Type": "text/plain; charset=utf-8" } | |
| 17 | + | } | |
| 18 | + | ) | |
| 19 | + | } | |
| 20 | + | ||
| 21 | + | // 360bz 图片接口 | |
| 22 | + | if (pathname === "/api/360bz") { | |
| 23 | + | return await cachedProxyImage( | |
| 24 | + | "360bz", | |
| 25 | + | "https://api.nsmao.net/api/360bz/query", | |
| 26 | + | { key: API_KEY }, | |
| 27 | + | "url", | |
| 28 | + | ctx | |
| 29 | + | ) | |
| 30 | + | } | |
| 31 | + | ||
| 32 | + | // bing 图片接口 | |
| 33 | + | if (pathname === "/api/bing") { | |
| 34 | + | return await cachedProxyImage( | |
| 35 | + | "bing", | |
| 36 | + | "https://api.nsmao.net/api/bing/query", | |
| 37 | + | { key: API_KEY, type: "json" }, | |
| 38 | + | "image_url", | |
| 39 | + | ctx | |
| 40 | + | ) | |
| 41 | + | } | |
| 42 | + | ||
| 43 | + | return new Response("Not found", { status: 404 }) | |
| 44 | + | } | |
| 45 | + | } | |
| 46 | + | ||
| 47 | + | async function cachedProxyImage( | |
| 48 | + | cacheKey, | |
| 49 | + | apiUrl, | |
| 50 | + | queryParams, | |
| 51 | + | imageField, | |
| 52 | + | ctx | |
| 53 | + | ) { | |
| 54 | + | const cache = caches.default | |
| 55 | + | const cacheRequest = new Request(`https://cache.nsmao/${cacheKey}`) | |
| 56 | + | const cached = await cache.match(cacheRequest) | |
| 57 | + | ||
| 58 | + | if (cached) { | |
| 59 | + | const cachedWithHeader = new Response(cached.body, cached) | |
| 60 | + | cachedWithHeader.headers.set("X-Cache-Status", "HIT") | |
| 61 | + | return cachedWithHeader | |
| 62 | + | } | |
| 63 | + | ||
| 64 | + | // 构造真实请求 URL | |
| 65 | + | const url = new URL(apiUrl) | |
| 66 | + | Object.entries(queryParams).forEach(([k, v]) => url.searchParams.set(k, v)) | |
| 67 | + | ||
| 68 | + | const headers = { | |
| 69 | + | "Accept": "application/json", | |
| 70 | + | "User-Agent": "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/123.0.0.0 Safari/537.36", | |
| 71 | + | "Referer": "https://www.google.com/", | |
| 72 | + | "Accept-Language": "zh-CN,zh;q=0.9,en;q=0.8" | |
| 73 | + | } | |
| 74 | + | ||
| 75 | + | // 请求 nsmao 接口 | |
| 76 | + | const apiResp = await fetch(url.toString(), { method: "GET", headers }) | |
| 77 | + | if (!apiResp.ok) { | |
| 78 | + | return new Response("Failed to fetch API", { status: 502 }) | |
| 79 | + | } | |
| 80 | + | ||
| 81 | + | const json = await apiResp.json() | |
| 82 | + | const imageUrl = json?.data?.[imageField] | |
| 83 | + | ||
| 84 | + | if (!imageUrl) { | |
| 85 | + | return new Response("Image URL not found in API response", { status: 500 }) | |
| 86 | + | } | |
| 87 | + | ||
| 88 | + | // 请求图片 | |
| 89 | + | const imageResp = await fetch(imageUrl, { | |
| 90 | + | headers: { | |
| 91 | + | ...headers, | |
| 92 | + | "Accept": "image/*" | |
| 93 | + | } | |
| 94 | + | }) | |
| 95 | + | ||
| 96 | + | const contentType = imageResp.headers.get("content-type") || "image/jpeg" | |
| 97 | + | const response = new Response(imageResp.body, { | |
| 98 | + | headers: { | |
| 99 | + | "Content-Type": contentType, | |
| 100 | + | "Cache-Control": `public, max-age=${CACHE_TTL}`, | |
| 101 | + | "X-Cache-Status": "MISS" | |
| 102 | + | } | |
| 103 | + | }) | |
| 104 | + | ||
| 105 | + | // 后台写入缓存 | |
| 106 | + | ctx.waitUntil(cache.put(cacheRequest, response.clone())) | |
| 107 | + | return response | |
| 108 | + | } | |
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