Enhanced CDN detection with accurate rules for major providers. Displays CDN provider, cache status, server info and POP locations. 增强版CDN检测，支持更多服务商，准确显示CDN提供商、缓存状态、服务器信息和节点位置。
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// ==UserScript==
// @name CDN & Server Info Displayer Enhanced (增强版CDN及服务器信息显示)
// @namespace http://tampermonkey.net/
// @version 2025.06.11.7
// @description Enhanced CDN detection with accurate rules for major providers. Displays CDN provider, cache status, server info and POP locations. 增强版CDN检测，支持更多服务商，准确显示CDN提供商、缓存状态、服务器信息和节点位置。
// @author Claude (Enhanced by AI)
// @license MIT
// @match *://*/*
// @grant GM_addStyle
// @run-at document-end
// ==/UserScript==
(function() {
'use strict';
// --- 配置项 ---
const config = {
initialPosition: { bottom: '15px', right: '15px' },
panelBgColor: 'rgba(44, 62, 80, 0.95)',
panelTextColor: '#ffffff',
borderColor: '#3498db',
opacity: '0.9',
animationDuration: '0.3s',
minWindowSize: { width: 400, height: 300 },
excludePatterns: [
/captcha/i, /recaptcha/i, /hcaptcha/i, /turnstile/i,
/pay(pal|ment)/i, /checkout/i, /billing/i,
/login/i, /signin/i, /auth/i, /oauth/i,
/ads/i, /advertisement/i, /doubleclick/i,
/facebook\.com\/plugins/i, /twitter\.com\/widgets/i,
/widget/i, /embed/i, /popup/i, /modal/i
]
};
// --- CDN 服务商检测规则 (已修正并增强) ---
const cdnProviders = {
'Cloudflare': {
headers: ['cf-ray', 'cf-cache-status', 'cf-request-id'],
serverHeaders: ['cloudflare'],
priority: 10,
getInfo: (headers) => {
const ray = headers.get('cf-ray');
const cacheStatus = headers.get('cf-cache-status');
const datacenter = ray ? ray.slice(-3).toUpperCase() : 'N/A';
return {
provider: 'Cloudflare',
cache: cacheStatus?.toUpperCase() || 'N/A',
pop: datacenter,
extra: headers.get('cf-request-id') ? 'Request ID available' : null
};
}
},
'Fastly': {
headers: ['x-fastly-request-id', 'x-served-by', 'fastly-debug-digest'],
priority: 9,
getInfo: (headers) => {
const servedBy = headers.get('x-served-by');
const cache = headers.get('x-cache');
return {
provider: 'Fastly',
cache: cache?.split(',')[0].toUpperCase() || 'N/A',
pop: servedBy?.split('-')[0] || 'N/A',
extra: headers.get('x-fastly-request-id') ? `Request ID: ${headers.get('x-github-request-id') || 'Available'}` : null
};
}
},
'AWS CloudFront': {
// 修正：移除通用的 'x-cache'，避免错误匹配
headers: ['x-amz-cf-pop', 'x-amz-cf-id'],
priority: 9,
getInfo: (headers) => {
const pop = headers.get('x-amz-cf-pop');
const cache = headers.get('x-cache'); // 仍然用 x-cache 获取状态，但不用它来检测
return {
provider: 'AWS CloudFront',
cache: cache?.split(' from ')[0].toUpperCase() || 'N/A',
pop: pop || 'N/A',
extra: headers.get('x-amz-cf-id') ? 'Request ID available' : null
};
}
},
'Alibaba Cloud CDN': {
headers: ['ali-swift-global-savetime', 'eagleid', 'x-cache-remote', 'x-swift-cachetime'],
serverHeaders: ['tengine', 'alicdn'],
priority: 9,
getInfo: (headers) => {
const cacheRemote = headers.get('x-cache-remote');
const swiftCache = headers.get('x-swift-cachetime');
const eagleId = headers.get('eagleid');
let cacheStatus = 'N/A';
if (cacheRemote) {
cacheStatus = cacheRemote.includes('HIT') ? 'HIT' : 'MISS';
} else if (swiftCache) {
cacheStatus = 'HIT';
}
let pop = 'N/A';
if (eagleId) {
const popMatch = eagleId.match(/(\w{2,3})-/);
pop = popMatch ? popMatch[1].toUpperCase() : 'N/A';
}
return {
provider: 'Alibaba Cloud CDN',
cache: cacheStatus,
pop: pop,
extra: headers.get('ali-swift-global-savetime') ? 'Global acceleration' : null
};
}
},
'Tencent Cloud CDN': {
headers: ['x-cache-lookup', 'x-nws-log-uuid', 'x-cache-remote'],
serverHeaders: ['nws', 'tencent'],
priority: 9,
getInfo: (headers) => {
const cacheLookup = headers.get('x-cache-lookup');
const cacheRemote = headers.get('x-cache-remote');
let cacheStatus = 'N/A';
if (cacheLookup) {
cacheStatus = cacheLookup.split(' ')[0].toUpperCase();
} else if (cacheRemote?.includes('HIT')) {
cacheStatus = 'HIT';
}
return {
provider: 'Tencent Cloud CDN',
cache: cacheStatus,
pop: headers.get('x-nws-log-uuid') ? 'Available' : 'N/A',
extra: null
};
}
},
'Akamai': {
headers: ['x-akamai-transformed', 'x-check-cacheable', 'x-cache-key'],
priority: 9,
getInfo: (headers) => {
const cache = headers.get('x-check-cacheable') || headers.get('x-cache');
return {
provider: 'Akamai',
cache: cache ? cache.split(' ')[0].toUpperCase() : 'N/A',
pop: 'N/A',
extra: headers.get('x-akamai-transformed') ? 'Content transformed' : null
};
}
},
'QUIC.cloud': {
headers: ['x-qc-cache', 'x-qc-pop', 'x-litespeed-cache'],
serverHeaders: ['litespeed'],
priority: 8,
getInfo: (headers) => {
const qcCache = headers.get('x-qc-cache');
const lsCache = headers.get('x-litespeed-cache');
const pop = headers.get('x-qc-pop');
let cacheStatus = qcCache || lsCache || 'N/A';
if (cacheStatus !== 'N/A') {
cacheStatus = cacheStatus.toUpperCase();
}
return {
provider: 'QUIC.cloud',
cache: cacheStatus,
pop: pop?.toUpperCase() || 'N/A',
extra: null
};
}
},
'Vercel Edge Network': {
headers: ['x-vercel-id', 'x-vercel-cache'],
priority: 8,
getInfo: (headers) => {
const vercelId = headers.get('x-vercel-id');
const cache = headers.get('x-vercel-cache');
let pop = 'N/A';
if (vercelId) {
const parts = vercelId.split('::');
if (parts.length > 1) {
pop = parts[1].split('-')[0].toUpperCase();
}
}
return {
provider: 'Vercel Edge Network',
cache: cache?.toUpperCase() || 'N/A',
pop: pop,
extra: null
};
}
},
'Azure CDN': {
headers: ['x-azure-ref', 'x-cache'],
priority: 8,
getInfo: (headers) => ({
provider: 'Azure CDN',
cache: headers.get('x-cache')?.toUpperCase() || 'N/A',
pop: headers.get('x-azure-ref')?.split(':')[0] || 'N/A',
extra: null
})
},
'Google Cloud CDN': {
headers: ['x-goog-generation', 'x-goog-hash'],
serverHeaders: ['gws'],
priority: 8,
getInfo: (headers) => ({
provider: 'Google Cloud CDN',
cache: headers.get('x-cache')?.toUpperCase() || 'N/A',
pop: 'N/A',
extra: headers.get('x-goog-generation') ? 'Object versioning' : null
})
},
'KeyCDN': {
headers: ['x-edge-location', 'x-cache'],
serverHeaders: ['keycdn'],
priority: 7,
getInfo: (headers) => ({
provider: 'KeyCDN',
cache: headers.get('x-cache')?.toUpperCase() || 'N/A',
pop: headers.get('x-edge-location') || 'N/A',
extra: null
})
},
'BunnyCDN': {
headers: ['cdn-cache', 'cdn-pullzone', 'cdn-requestid'],
serverHeaders: ['bunnycdn'],
priority: 7,
getInfo: (headers) => ({
provider: 'BunnyCDN',
cache: headers.get('cdn-cache')?.toUpperCase() || 'N/A',
pop: headers.get('cdn-pullzone') || 'N/A',
extra: headers.get('cdn-requestid') ? 'Request ID available' : null
})
},
'Netlify': {
headers: ['x-nf-request-id'],
serverHeaders: ['netlify'],
priority: 7,
getInfo: (headers) => ({
provider: 'Netlify Edge',
cache: 'N/A',
pop: 'N/A',
extra: 'Netlify Edge Network'
})
},
'jsDelivr': {
headers: [],
check: (headers) => {
const servedBy = headers.get('x-served-by');
return servedBy && servedBy.includes('jsdelivr');
},
priority: 6,
getInfo: (headers) => ({
provider: 'jsDelivr CDN',
cache: headers.get('x-cache')?.toUpperCase() || 'N/A',
pop: headers.get('x-served-by')?.split('-')[0] || 'N/A',
extra: 'Open Source CDN'
})
}
};
function parseInfo(headers) {
const lowerCaseHeaders = new Map();
for (const [key, value] of headers.entries()) {
lowerCaseHeaders.set(key.toLowerCase(), value);
}
let detectedProviders = [];
for (const [cdnName, cdn] of Object.entries(cdnProviders)) {
let isMatch = false;
if (cdn.headers?.some(header => lowerCaseHeaders.has(header.toLowerCase()))) {
isMatch = true;
}
if (!isMatch && cdn.serverHeaders) {
const serverHeader = lowerCaseHeaders.get('server') || '';
if (cdn.serverHeaders.some(server => serverHeader.toLowerCase().includes(server.toLowerCase()))) {
isMatch = true;
}
}
if (!isMatch && cdn.check && cdn.check(lowerCaseHeaders)) {
isMatch = true;
}
if (isMatch) {
const info = cdn.getInfo(lowerCaseHeaders);
detectedProviders.push({ ...info, priority: cdn.priority || 5 });
}
}
if (detectedProviders.length > 0) {
detectedProviders.sort((a, b) => b.priority - a.priority);
return detectedProviders[0];
}
const server = lowerCaseHeaders.get('server');
const xCache = lowerCaseHeaders.get('x-cache');
const via = lowerCaseHeaders.get('via');
if (server || xCache || via) {
return {
provider: server || 'Unknown Server',
cache: xCache?.split(' ')[0].toUpperCase() || 'N/A',
pop: via ? 'Proxy detected' : 'N/A',
extra: via ? `Via: ${via}` : null
};
}
return {
provider: 'Direct Connection',
cache: 'N/A',
pop: 'N/A',
extra: 'No CDN detected'
};
}
function addStyles() {
GM_addStyle(`
#cdn-info-panel-enhanced {
position: fixed; z-index: 99999; padding: 12px 16px; border-radius: 12px;
font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif; font-size: 13px;
color: ${config.panelTextColor}; background: ${config.panelBgColor}; backdrop-filter: blur(10px);
border: 1px solid ${config.borderColor}; box-shadow: 0 8px 32px rgba(0,0,0,0.3), inset 0 1px 0 rgba(255,255,255,0.1);
cursor: move; user-select: none; transition: opacity ${config.animationDuration}, transform ${config.animationDuration};
opacity: ${config.opacity}; transform: scale(1); min-width: 220px;
}
#cdn-info-panel-enhanced:hover { opacity: 1; transform: scale(1.02); }
#cdn-info-panel-enhanced .panel-header {
font-weight: 600; font-size: 14px; margin-bottom: 8px; color: ${config.borderColor}; text-align: center;
border-bottom: 1px solid rgba(52, 152, 219, 0.3); padding-bottom: 6px;
}
#cdn-info-panel-enhanced .info-line { display: flex; justify-content: space-between; align-items: center; margin: 6px 0; padding: 2px 0; }
#cdn-info-panel-enhanced .info-label { font-weight: 500; color: #a9cce3; font-size: 12px; text-transform: uppercase; letter-spacing: 0.5px; }
#cdn-info-panel-enhanced .info-value {
font-weight: 600; color: #ffffff; max-width: 140px; overflow: hidden;
text-overflow: ellipsis; white-space: nowrap; text-align: right;
}
#cdn-info-panel-enhanced .extra-info {
font-size: 11px; color: #95a5a6; font-style: italic; text-align: center; margin-top: 8px;
padding-top: 6px; border-top: 1px solid rgba(149, 165, 166, 0.2); word-break: break-all;
}
#cdn-info-panel-enhanced .cache-HIT { color: #2ecc71 !important; }
#cdn-info-panel-enhanced .cache-MISS { color: #e74c3c !important; }
#cdn-info-panel-enhanced .close-btn {
position: absolute; top: -8px; right: -8px; width: 20px; height: 20px; border-radius: 50%;
background: #e74c3c; color: white; border: none; cursor: pointer; font-size: 12px;
display: none; align-items: center; justify-content: center; transition: all 0.2s;
}
#cdn-info-panel-enhanced:hover .close-btn { display: flex; }
#cdn-info-panel-enhanced .close-btn:hover { background: #c0392b; transform: scale(1.1); }
`);
}
function createDisplayPanel(info) {
if (!info || document.getElementById('cdn-info-panel-enhanced')) return;
addStyles();
const panel = document.createElement('div');
panel.id = 'cdn-info-panel-enhanced';
const cacheClass = info.cache.includes('HIT') ? 'cache-HIT' : (info.cache.includes('MISS') ? 'cache-MISS' : '');
const providerLabel = info.provider.includes('CDN') || info.provider.includes('Cloud') || info.provider.includes('Edge') ? 'CDN' : 'Server';
panel.innerHTML = `
<button class="close-btn" title="Close" onclick="this.parentElement.remove()">×</button>
<div class="panel-header">CDN & Server Info</div>
<div class="info-line">
<span class="info-label">${providerLabel}</span>
<span class="info-value" title="${info.provider}">${info.provider}</span>
</div>
<div class="info-line">
<span class="info-label">Cache</span>
<span class="info-value ${cacheClass}">${info.cache}</span>
</div>
<div class="info-line">
<span class="info-label">POP</span>
<span class="info-value" title="${info.pop}">${info.pop}</span>
</div>
${info.extra ? `<div class="extra-info">${info.extra}</div>` : ''}
`;
Object.assign(panel.style, config.initialPosition);
document.body.appendChild(panel);
makeDraggable(panel);
}
function makeDraggable(element) {
let isDragging = false, startX = 0, startY = 0, elementX = 0, elementY = 0;
element.addEventListener('mousedown', dragStart);
function dragStart(e) {
if (e.target.classList.contains('close-btn')) return;
isDragging = true;
startX = e.clientX;
startY = e.clientY;
const rect = element.getBoundingClientRect();
elementX = rect.left;
elementY = rect.top;
element.style.transition = 'none';
document.addEventListener('mousemove', drag);
document.addEventListener('mouseup', dragEnd);
}
function drag(e) {
if (!isDragging) return;
const newX = elementX + e.clientX - startX;
const newY = elementY + e.clientY - startY;
const maxX = window.innerWidth - element.offsetWidth;
const maxY = window.innerHeight - element.offsetHeight;
element.style.left = `${Math.max(0, Math.min(newX, maxX))}px`;
element.style.top = `${Math.max(0, Math.min(newY, maxY))}px`;
element.style.right = 'auto';
element.style.bottom = 'auto';
}
function dragEnd() {
isDragging = false;
element.style.transition = `opacity ${config.animationDuration}, transform ${config.animationDuration}`;
document.removeEventListener('mousemove', drag);
document.removeEventListener('mouseup', dragEnd);
}
}
function shouldShowPanel() {
if (window !== window.top) { // 检查 iframe
if (window.innerWidth < config.minWindowSize.width || window.innerHeight < config.minWindowSize.height) {
console.log(`[CDN Detector] Iframe too small, skipping.`);
return false;
}
}
const url = window.location.href.toLowerCase();
for (const pattern of config.excludePatterns) {
if (pattern.test(url)) {
console.log(`[CDN Detector] URL matches exclude pattern: ${pattern}, skipping.`);
return false;
}
}
const captchaSelectors = ['[id*="captcha"]', '[class*="captcha"]', '[id*="recaptcha"]', '[class*="recaptcha"]', '[id*="hcaptcha"]', '[class*="hcaptcha"]', '[class*="cf-turnstile"]', '[id*="turnstile"]'];
for (const selector of captchaSelectors) {
if (document.querySelector(selector)) {
console.log(`[CDN Detector] Found captcha element: ${selector}, skipping.`);
return false;
}
}
const excludeDomains = ['accounts.google.com', 'login.microsoftonline.com', 'challenges.cloudflare.com'];
const hostname = window.location.hostname.toLowerCase();
for (const domain of excludeDomains) {
if (hostname.includes(domain)) {
console.log(`[CDN Detector] Excluded domain detected: ${domain}, skipping.`);
return false;
}
}
return true;
}
async function main() {
if (document.readyState !== "complete") {
await new Promise(resolve => { window.addEventListener("load", resolve); });
}
if (!shouldShowPanel()) {
return;
}
try {
const response = await fetch(window.location.href, { method: 'HEAD', cache: 'no-cache', redirect: 'follow' });
const info = parseInfo(response.headers);
console.log('[CDN Detector] Result:', info);
createDisplayPanel(info);
} catch (error) {
console.warn('[CDN Detector] Failed to fetch headers (CORS or network issue):', error.message);
// 即使 fetch 失败，也尝试根据 window.performance 来获取信息
const perfEntries = performance.getEntriesByType("navigation");
if (perfEntries.length > 0 && perfEntries[0].serverTiming) {
const serverTiming = perfEntries[0].serverTiming;
// 这是一个备用方案，可以尝试解析 Server-Timing 头
// 此处简化处理，仅提供一个降级提示
}
createDisplayPanel({
provider: 'Detection Limited',
cache: 'N/A', pop: 'N/A',
extra: 'CORS policy blocked full analysis'
});
}
}
main().catch(error => {
console.error('[CDN Detector] Initialization failed:', error);
});
})();