liushen-api.js(檔案已創建)
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| 1 | + | import HOME_HTML from './home.html'; | |
| 2 | + | ||
| 3 | + | import SCREENSHOT_HTML from './screenshot.html'; | |
| 4 | + | ||
| 5 | + | export default { | |
| 6 | + | async fetch(request, env, ctx) { | |
| 7 | + | // 获取请求的 URL 和路径 | |
| 8 | + | const url = new URL(request.url); | |
| 9 | + | const path = url.pathname; | |
| 10 | + | ||
| 11 | + | // 路由不同的 API 接口 | |
| 12 | + | if (path.startsWith('/api/screenshot')) { | |
| 13 | + | return handleScreenshotRequest(url); | |
| 14 | + | } | |
| 15 | + | ||
| 16 | + | // 处理主页的请求 | |
| 17 | + | if (path === '/') { | |
| 18 | + | return new Response(HOME_HTML, { | |
| 19 | + | status: 200, | |
| 20 | + | headers: { | |
| 21 | + | "content-type": "text/html" | |
| 22 | + | } | |
| 23 | + | }); | |
| 24 | + | } | |
| 25 | + | ||
| 26 | + | if (path === '/screenshot') { | |
| 27 | + | return new Response(SCREENSHOT_HTML, { | |
| 28 | + | status: 200, | |
| 29 | + | headers: { | |
| 30 | + | "content-type": "text/html" | |
| 31 | + | } | |
| 32 | + | }); | |
| 33 | + | } | |
| 34 | + | ||
| 35 | + | return new Response('Invalid API endpoint', { status: 404 }); | |
| 36 | + | } | |
| 37 | + | } | |
| 38 | + | ||
| 39 | + | // 处理 /api/screenshot 请求 | |
| 40 | + | async function handleScreenshotRequest(url) { | |
| 41 | + | const targetUrl = url.searchParams.get('url') || 'https://www.liushen.fun/'; | |
| 42 | + | const width = url.searchParams.get('width') || 400; | |
| 43 | + | const height = url.searchParams.get('height') || 250; | |
| 44 | + | const method = url.searchParams.get('method') || '1'; // 默认为 mshot 方法 | |
| 45 | + | ||
| 46 | + | console.log(targetUrl, width, height, method); | |
| 47 | + | ||
| 48 | + | // 构造第一个截图 API 请求地址 (mshots) | |
| 49 | + | const screenshotUrl1 = `https://s0.wp.com/mshots/v1/${encodeURIComponent(targetUrl)}?w=${width}&h=${height}`; | |
| 50 | + | // 构造第二个截图 API 请求地址 (urlscan) | |
| 51 | + | const screenshotUrl2 = `https://urlscan.io/liveshot/?width=${width}&height=${height}&url=${encodeURIComponent(targetUrl)}`; | |
| 52 | + | ||
| 53 | + | try { | |
| 54 | + | let response; | |
| 55 | + | ||
| 56 | + | // 根据 method 参数选择首选的截图方式 | |
| 57 | + | if (method === '1') { | |
| 58 | + | // 请求 mshot | |
| 59 | + | response = await fetchWithUA(screenshotUrl1); | |
| 60 | + | if (!response.ok) { | |
| 61 | + | console.log("mshots failed, trying urlscan"); | |
| 62 | + | response = await fetchWithUA(screenshotUrl2); // 如果 mshots 失败，尝试 urlscan | |
| 63 | + | } | |
| 64 | + | } else { | |
| 65 | + | // 请求 urlscan | |
| 66 | + | response = await fetchWithUA(screenshotUrl2); | |
| 67 | + | if (!response.ok) { | |
| 68 | + | console.log("urlscan failed, trying mshots"); | |
| 69 | + | response = await fetchWithUA(screenshotUrl1); // 如果 urlscan 失败，尝试 mshots | |
| 70 | + | } | |
| 71 | + | } | |
| 72 | + | ||
| 73 | + | // 如果两个 API 都失败，返回 403 错误 | |
| 74 | + | if (!response.ok) { | |
| 75 | + | console.log("Both APIs failed, returning 403"); | |
| 76 | + | return new Response("Both screenshot APIs failed.", { status: 403 }); | |
| 77 | + | } | |
| 78 | + | ||
| 79 | + | return new Response(response.body, response); | |
| 80 | + | } catch (error) { | |
| 81 | + | // 捕获异常并返回 403 错误 | |
| 82 | + | console.log("Error occurred:", error); | |
| 83 | + | return new Response("Error occurred while processing the request.", { status: 403 }); | |
| 84 | + | } | |
| 85 | + | } | |
| 86 | + | ||
| 87 | + | // 添加带有 User-Agent 的 fetch 方法 | |
| 88 | + | async function fetchWithUA(url) { | |
| 89 | + | return await fetch(url, { | |
| 90 | + | headers: { | |
| 91 | + | 'User-Agent': 'Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/128.0.0.0 Safari/537.36' | |
| 92 | + | } | |
| 93 | + | }); | |
| 94 | + | } | |
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