Greasy Fork

Greasy Fork is available in English.

CDN & Server Info Displayer Enhanced (增强版CDN及服务器信息显示)

Smarter detection that ignores invisible CAPTCHAs on content pages. Displays CDN provider, cache status, server info and POP locations. 更智能的检测,能忽略内容页面中的不可见验证码。准确显示CDN提供商、缓存状态、服务器信息和节点位置。

当前为 2025-06-10 提交的版本,查看 最新版本

您需要先安装一个扩展,例如 篡改猴Greasemonkey暴力猴,之后才能安装此脚本。

You will need to install an extension such as Tampermonkey to install this script.

您需要先安装一个扩展,例如 篡改猴暴力猴,之后才能安装此脚本。

您需要先安装一个扩展,例如 篡改猴Userscripts ,之后才能安装此脚本。

您需要先安装一款用户脚本管理器扩展,例如 Tampermonkey,才能安装此脚本。

您需要先安装用户脚本管理器扩展后才能安装此脚本。

(我已经安装了用户脚本管理器,让我安装!)

您需要先安装一款用户样式管理器扩展,比如 Stylus,才能安装此样式。

您需要先安装一款用户样式管理器扩展,比如 Stylus,才能安装此样式。

您需要先安装一款用户样式管理器扩展,比如 Stylus,才能安装此样式。

您需要先安装一款用户样式管理器扩展后才能安装此样式。

您需要先安装一款用户样式管理器扩展后才能安装此样式。

您需要先安装一款用户样式管理器扩展后才能安装此样式。

(我已经安装了用户样式管理器,让我安装!)

// ==UserScript==
// @name         CDN & Server Info Displayer Enhanced (增强版CDN及服务器信息显示)
// @namespace    http://tampermonkey.net/
// @version      2025.06.11.12
// @description  Smarter detection that ignores invisible CAPTCHAs on content pages. Displays CDN provider, cache status, server info and POP locations. 更智能的检测,能忽略内容页面中的不可见验证码。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: [
            /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': {
            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');
                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
                };
            }
        },
        // ... 其他CDN规则保持不变 ...
    };

    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);
        }
    }

    /**
     * [新增] 检查一个元素是否在屏幕上实际可见
     * @param {HTMLElement} el - 要检查的HTML元素
     * @returns {boolean} - 如果元素可见且有尺寸,则返回 true
     */
    function isElementVisible(el) {
        if (!el) return false;
        // getBoundingClientRect 检查元素是否有尺寸并且在视口内
        // 对于不可见的 reCAPTCHA 标志,其尺寸通常为0或非常小
        const rect = el.getBoundingClientRect();
        return (
            rect.width > 1 && rect.height > 1 && // 必须有实际尺寸 (大于1像素)
            getComputedStyle(el).visibility !== 'hidden' &&
            getComputedStyle(el).display !== 'none'
        );
    }

    function shouldShowPanel() {
        if (window !== window.top) {
            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;
            }
        }

        // 智能验证码检查
        const captchaSelectors = {
            // 严格检查:这些通常是全屏的挑战页面
            strict: [/challenge/i, /verify/i, /security check/i],
            // 宽松检查:这些可能是隐藏的组件
            lenient: ['[id*="captcha"]', '[class*="captcha"]', '[id*="recaptcha"]', '[class*="recaptcha"]', '[id*="hcaptcha"]', '[class*="hcaptcha"]', '[class*="cf-turnstile"]', '[id*="turnstile"]']
        };

        // 1. 严格检查页面标题
        const pageTitle = document.title.toLowerCase();
        for (const pattern of captchaSelectors.strict) {
             if (pattern.test(pageTitle)) {
                console.log(`[CDN Detector] Page title indicates a challenge page: ${pattern}, skipping.`);
                return false;
            }
        }

        // 2. 宽松检查HTML元素,但必须是可见的
        for (const selector of captchaSelectors.lenient) {
            const element = document.querySelector(selector);
            // 只有当元素存在且在屏幕上“实际可见”时,才判断为验证页面
            if (element && isElementVisible(element)) {
                console.log(`[CDN Detector] Found a VISIBLE 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);
            createDisplayPanel({
                provider: 'Detection Limited',
                cache: 'N/A', pop: 'N/A',
                extra: 'CORS policy blocked analysis'
            });
        }
    }

    main().catch(error => {
        console.error('[CDN Detector] Initialization failed:', error);
    });

})();