// ==UserScript== // @name GitHub 加速助手 // @namespace https://github.com/EFate // @version 0.0.6 // @description GitHub 镜像加速下载：多源节点发现、并发测速、场景化下载按钮注入、直链交付（脚本不接管下载，兼容 Gopeed 等接管工具）。 // @author EFate // @license MIT // @icon data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 32 32'%3E%3Crect width='32' height='32' rx='9' fill='%232da44e'/%3E%3Crect x='14.7' y='6.2' width='2.6' height='9.6' rx='1.3' fill='%23fff'/%3E%3Cpath d='M9.4 15.2h13.2l-6.6 6.8z' fill='%23fff'/%3E%3Crect x='9.2' y='22.4' width='13.6' height='2.5' rx='1.25' fill='%23fff' opacity='.85'/%3E%3Ccircle cx='24.5' cy='8' r='5.8' fill='%23000' opacity='.22'/%3E%3Cpath d='M25.7 4 22.4 8.9h2.1l-1.6 2.9 3-4.8h-1.9z' fill='%23fff'/%3E%3C/svg%3E // @match *://github.com/* // @match *://gist.github.com/* // @match *://*.github.com/* // @connect api.akams.cn // @connect github.com // @connect codeload.github.com // @connect raw.githubusercontent.com // @connect * // @grant GM_getValue // @grant GM_setValue // @grant GM_deleteValue // @grant GM_xmlhttpRequest // @grant GM_addStyle // @grant GM_info // @grant GM_registerMenuCommand // @run-at document-idle // ==/UserScript== /* * ============================================================================ * GitHub 加速助手 · 架构总览（单文件，自顶向下分层，禁止跨层反向依赖） * ============================================================================ * * L1 CONFIG 常量、存储键、默认设置、注入场景规则表（唯一事实来源） * L2 FOUNDATION Utils 格式化 · Store 持久化 · Icons 内联 SVG · Log * L3 NETWORK gmRequest · 节点多源降级 · 并发测速 * L4 STATE NodeStore（节点/可见集合/时间戳，变更即广播） * L5 CAPABILITY Downloader 直链交付（不接管下载） · Injector 规则表驱动 * L6 VIEW Launcher(右中) · Panel(节点/注入/设置) · DlModal · Toast * L7 BOOTSTRAP 装配与生命周期 * */ (function () { 'use strict'; if (window.__ghBoostInjected) return; window.__ghBoostInjected = true; /* ====================================================================== * L1 · CONFIG —— 常量、存储键、默认设置、注入场景规则表 * ==================================================================== */ const NS = 'ghBoost'; const VERSION = 'v' + (GM_info.script.version || '1.0.0'); const AUTHOR = 'EFate'; const TAG = '[' + NS + ']'; const K = { settings: NS + '_settings', nodes: NS + '_nodes', visible: NS + '_visible', updatedAt: NS + '_updated_at', fails: NS + '_fails', lastOk: NS + '_last_ok' }; const NODE_TTL = 60 * 60 * 1000; // 节点缓存 1 小时 const NODE_FAIL_LIMIT = 2; // 连续失败 N 次后剔除候选 const NODE_RETRY_MAX = 4; // 自动下载最多轮换几个节点 const PROBE_TIMEOUT = 4000; // 单节点测速超时 const PROBE_CONCURRENCY = 8; // 并发测速路数 const HEAD_TIMEOUT = 8000; // 直链 HEAD 预检超时(冷启动 / 全败兜底) const HEAD_TIMEOUT_FAST = 2500; // 有候选但无 fresh 时的短预检 const PRECHECK_TTL = 5 * 60 * 1000; // 5 分钟:命中此窗口的预检成功节点视为 fresh,直接 fire const LATENCY_FAST = 300; // 延迟分档（ms） const LATENCY_MID = 800; const LATENCY_SCALE = 1500; // 进度条满格基准 const INJECT_DEBOUNCE = 260; // 注入防抖 const INJECT_INTERVAL = 5000; // 兜底轮询 /** * 节点接口源：按序尝试，哪家活着用哪家，无单点。 * 两家返回格式不同，各自配解析器（见 L3 的 parseAkams / parseMxg）： * api.akams.cn/github → {code:200, data:[{url, speed}]} speed = 延迟 ms * git.mxg.pub/…/list → {data:[{name, url, status, latency}]} status: success/failed */ const NODES_APIS = [ { url: 'https://api.akams.cn/github', parse: parseAkams }, { url: 'https://git.mxg.pub/api/github/list', parse: parseMxg } ]; // 网络全断时的最后保险：只做连通性测速，不依赖任何第三方接口 const LAST_RESORT_NODES = [ 'https://gh-proxy.com/', 'https://ghproxy.net/', 'https://gh.llkk.cc/', 'https://hub.ddayh.com/', 'https://gh.con.sh/', 'https://ghproxy.053000.xyz/' ]; // 注入场景规则表：新增/调整位置只改这里，注入器是通用执行器 const SCENARIOS = [ { key: 'release-zip', label: 'Release 压缩包', desc: 'Release 页面的 Source code (zip / tar.gz)', defaultOn: true, selector: 'a[href*="codeload.github.com"], a[href*="/archive/refs/"], a[href*="/zipball/"], a[href*="/tarball/"]', container: (a) => a.closest('li, .Box-row, tr') || a.parentElement, name: (a) => a.textContent.trim() || 'Source code' }, { key: 'release-asset', label: 'Release 附件', desc: 'Release 页面上传的二进制附件', defaultOn: true, selector: 'a[href*="/releases/download/"], a[href*="/releases/expanded_assets/"]', container: (a) => a.closest('.Box-row, li, tr') || a.parentElement, name: (a) => a.textContent.trim() }, { key: 'raw-file', label: 'Raw 原始文件', desc: '文件查看页的原始文件按钮', defaultOn: true, selector: '#raw-url, a[id="raw-url"], a[href*="/raw/"][href*="githubusercontent.com"], .js-blob-dropdown-content a[href*="raw"]', container: (a) => a.parentElement, name: (a) => a.textContent.trim() || 'Raw' }, { key: 'clone-zip', label: 'Clone 弹框 ZIP', desc: '仓库页 Code 下拉框里的 Download ZIP', defaultOn: true, selector: 'details a[href*="codeload.github.com"], details a[href*="/archive/refs/"]', container: (a) => a.closest('li') || a.parentElement, name: () => 'Download ZIP' }, { key: 'repo-archive', label: '仓库 Code 按钮', desc: '仓库主页 Code 下拉中的源码包', defaultOn: true, selector: 'a[data-ga-click*="download"], [data-view-component] a[href*="codeload.github.com"]', container: (a) => a.closest('li, .liststyle-none') || a.parentElement, name: () => 'Source code' }, { key: 'lfs-file', label: 'LFS 大文件', desc: 'Git LFS 托管的大文件链接', defaultOn: true, selector: 'a[href*="/info/lfs/objects/"], table a[href*="lfs"]', container: (a) => a.closest('tr, li, .Box-row') || a.parentElement, name: (a) => a.textContent.trim() }, { key: 'gist-raw', label: 'Gist 原始文件', desc: 'Gist 代码片段的 Raw 链接', defaultOn: true, hosts: ['gist.github.com'], selector: 'a[href*="/raw/"], .btn[href*="raw"]', container: (a) => a.parentElement, name: (a) => a.textContent.trim() || 'Raw' }, { key: 'compare-diff', label: 'Patch / Diff', desc: 'Compare 与提交页面的 .patch / .diff', defaultOn: true, selector: 'a[href$=".patch"], a[href$=".diff"], a[href*=".patch?"], a[href*=".diff?"]', container: (a) => a.closest('li, .Box-row, .dropdown-item') || a.parentElement, name: (a) => a.textContent.trim() || 'Patch' }, { key: 'generic', label: '通用兜底', desc: '其它带 download 属性的 GitHub 链接', defaultOn: true, selector: 'a[download][href*="github"]', container: (a) => a.closest('li, .Box-row, tr') || a.parentElement, name: (a) => a.textContent.trim() } ]; const DEFAULT_INJECT = SCENARIOS.reduce((acc, s) => { acc[s.key] = s.defaultOn; return acc; }, {}); const DEFAULT_SETTINGS = { refreshOnStart: true, showLauncher: true, askNode: true, // 下载时是否弹出节点选择弹窗 showPageButtons: true, // GitHub 页面内注入镜像加速按钮的主开关 launcherPos: null, lastTab: 'nodes', inject: Object.assign({}, DEFAULT_INJECT) }; /** 设置的唯一读写口：load 负责与默认值合并，set 负责落盘 */ const Settings = { data: Object.assign({}, DEFAULT_SETTINGS), load() { const saved = Store.read(K.settings, {}) || {}; this.data = Object.assign({}, DEFAULT_SETTINGS, saved); this.data.inject = Object.assign({}, DEFAULT_INJECT, saved.inject || {}); return this.data; }, get() { return this.data; }, set(patch) { Object.assign(this.data, patch); Store.write(K.settings, this.data); }, setInject(key, on) { this.data.inject[key] = on; Store.write(K.settings, this.data); }, reset() { this.data = Object.assign({}, DEFAULT_SETTINGS, { inject: Object.assign({}, DEFAULT_INJECT) }); Store.write(K.settings, this.data); } }; /* ====================================================================== * L2 · FOUNDATION —— 日志、工具、持久化、图标 * ==================================================================== */ const Log = { info: (...a) => console.log(TAG, ...a), warn: (...a) => console.warn(TAG, ...a), error: (...a) => console.error(TAG, ...a) }; const Utils = { esc(s) { return String(s == null ? '' : s) .replace(/&/g, '&').replace(//g, '>') .replace(/"/g, '"').replace(/'/g, '''); }, shortDomain(url) { try { const h = new URL(url).hostname.replace(/^www\./, ''); const p = h.split('.'); return p.length > 2 ? p.slice(-2).join('.') : h; } catch { return String(url || '').slice(0, 24); } }, filenameFromUrl(url) { try { const name = decodeURIComponent(new URL(url).pathname.split('/').filter(Boolean).pop() || ''); const clean = name.replace(/[\\/:*?"<>|]/g, '_'); if (clean) return clean; } catch { /* fallthrough */ } return 'download.bin'; }, bytes(n) { if (!n || n < 0) return ''; const u = ['B', 'KB', 'MB', 'GB']; let i = 0; while (n >= 1024 && i < u.length - 1) { n /= 1024; i++; } return (i === 0 ? n : n.toFixed(1)) + ' ' + u[i]; }, level(ms) { if (ms < LATENCY_FAST) return 'fast'; if (ms < LATENCY_MID) return 'mid'; return 'slow'; }, pct(ms) { return Math.max(2, Math.min(100, (ms / LATENCY_SCALE) * 100)); }, clock(ts) { if (!ts) return '—'; return new Date(ts).toLocaleTimeString('zh-CN', { hour: '2-digit', minute: '2-digit' }); }, sleep(ms) { return new Promise((r) => setTimeout(r, ms)); }, /** 剪贴板：优先异步 API，失败回落到 execCommand */ async copy(text) { try { await navigator.clipboard.writeText(text); return true; } catch { /* fallthrough */ } try { const ta = document.createElement('textarea'); ta.value = text; ta.style.cssText = 'position:fixed;left:-9999px;top:0;'; document.body.appendChild(ta); ta.select(); const ok = document.execCommand('copy'); ta.remove(); return ok; } catch { return false; } } }; const Store = { read(key, fallback) { try { const v = GM_getValue(key); return (v === undefined || v === null) ? fallback : v; } catch { return fallback; } }, write(key, val) { try { GM_setValue(key, val); } catch (e) { Log.warn('写入失败', key, e); } }, remove(key) { try { if (typeof GM_deleteValue === 'function') GM_deleteValue(key); } catch { /* noop */ } } }; // 全部内联 SVG：规避 GitHub CSP 的 img-src 限制，也不再依赖任何外域图片 const Icons = { mark: '', refresh: '', close: '', download: '', copy: '', bolt: '', search: '', sliders: '', reset: '', check: '' }; /* ====================================================================== * L3 · NETWORK —— Promise 化的 GM_xmlhttpRequest + 多源节点 + 并发测速 * ==================================================================== */ function gmRequest(opt) { return new Promise((resolve, reject) => { GM_xmlhttpRequest({ method: opt.method || 'GET', url: opt.url, headers: opt.headers || {}, responseType: opt.responseType || 'text', timeout: opt.timeout || 30000, onload(res) { if (res.status >= 200 && res.status < 400) resolve(res); else reject(new Error('HTTP ' + res.status)); }, onerror: () => reject(new Error('网络不可达')), ontimeout: () => reject(new Error('请求超时')) }); }); } /** 单节点测速：返回 { url, ok, ms } */ function probeOne(url) { return new Promise((resolve) => { const start = Date.now(); const target = url + (url.includes('?') ? '&' : '?') + '_=' + start + Math.random(); let done = false; const finish = (ok) => { if (done) return; done = true; resolve({ url, ok, ms: Date.now() - start }); }; GM_xmlhttpRequest({ method: 'GET', url: target, timeout: PROBE_TIMEOUT, onload: () => finish(true), onerror: () => finish(false), ontimeout: () => finish(false) }); }); } /** 并发测速：成功节点按延迟升序 */ function probeMany(urls) { return new Promise((resolve) => { const out = []; const queue = urls.slice(); let active = 0; let settled = false; const done = () => { if (settled) return; settled = true; resolve(out .filter((r) => r.ok) .sort((a, b) => a.ms - b.ms) .map((r) => ({ url: r.url, latency: r.ms }))); }; const next = () => { while (active < PROBE_CONCURRENCY && queue.length) { active++; probeOne(queue.shift()).then((r) => { out.push(r); active--; next(); }); } if (active === 0 && queue.length === 0) done(); }; next(); setTimeout(done, 30000); // 安全网：30 秒强制收口 }); } /** akams.cn：{code:200, data:[{url, speed}]}，speed = 延迟 ms（0/缺失视为无效） */ function parseAkams(data) { if (!data || data.code !== 200 || !Array.isArray(data.data)) { throw new Error('akams 格式异常'); } return data.data .map((n) => n && n.url ? { url: n.url, latency: Number(n.speed) || 0 } : null) .filter((n) => n && n.latency > 0 && n.latency < LATENCY_SCALE) .sort((a, b) => a.latency - b.latency); } /** mxg.pub：{data:[{name, url, status, latency}]}，只留 status=success 的（latency 为 ms） */ function parseMxg(data) { if (!data || !Array.isArray(data.data)) { throw new Error('mxg.pub 格式异常'); } return data.data .filter((n) => n && n.url && n.status === 'success' && n.latency > 0 && n.latency < LATENCY_SCALE) .map((n) => ({ url: n.url, latency: n.latency })) .sort((a, b) => a.latency - b.latency); } /** 接口源按序尝试：首个成功的源生效，两家格式不同各自解析 */ async function nodesFromApi() { let lastErr = new Error('无可用节点接口'); for (const api of NODES_APIS) { try { const res = await gmRequest({ url: api.url, timeout: 12000 }); const data = typeof res.response === 'string' ? JSON.parse(res.response) : res.response; const list = api.parse(data); if (!list.length) throw new Error('接口返回空节点列表'); return list; } catch (e) { lastErr = e; Log.warn('节点接口不可用 →', api.url, '(', e.message, ')'); } } throw lastErr; } async function nodesFromProbe() { const list = await probeMany(LAST_RESORT_NODES); if (!list.length) throw new Error('内置节点全部不可达'); return list; } /* ====================================================================== * L4 · STATE —— NodeStore：唯一数据源，变更广播给视图层 * ==================================================================== */ const NodeStore = { nodes: [], visible: [], updatedAt: 0, fails: {}, // url → 连续失败次数（持久化，镜像失效的自我记忆） subs: [], subscribe(fn) { this.subs.push(fn); }, emit() { this.subs.forEach((fn) => { try { fn(); } catch (e) { Log.warn('订阅回调异常', e); } }); }, hydrate() { const cached = Store.read(K.nodes, []); if (Array.isArray(cached) && cached.length) { this.nodes = cached.filter((n) => n && n.url); this.updatedAt = Store.read(K.updatedAt, 0); } this.visible = Store.read(K.visible, []); this.fails = Store.read(K.fails, {}) || {}; this.lastOk = Store.read(K.lastOk, {}) || {}; this.pruneLastOk(); this.pruneVisible(); if (!this.visible.length && this.nodes.length) this.resetVisible(); }, pruneVisible() { const valid = new Set(this.nodes.map((n) => n.url)); this.visible = this.visible.filter((u) => valid.has(u)); }, resetVisible() { this.visible = this.nodes.slice(0, 10).map((n) => n.url); Store.write(K.visible, this.visible); }, setNodes(list) { const prev = this.nodes; this.nodes = this.dedupe(list); if (this.nodes.length) { this.updatedAt = Date.now(); Store.write(K.nodes, this.nodes); Store.write(K.updatedAt, this.updatedAt); this.pruneVisible(); if (!this.visible.length) this.resetVisible(); } else { // 全部来源失败：保留旧节点，绝不把界面清空 this.nodes = prev; } this.emit(); }, /** * 节点去重：两家接口会返回相同的代理地址，且可能带/不带尾斜杠。 * 以「去尾斜杠的 URL」为身份，重复时保留延迟更低的一条。 */ dedupe(list) { const best = new Map(); // 归一化 URL → {url, latency} for (const n of (Array.isArray(list) ? list : [])) { if (!n || !n.url) continue; const raw = String(n.url); const key = raw.replace(/\/+$/, ''); const latency = Number(n.latency) || 0; const old = best.get(key); if (!old || latency < old.latency) best.set(key, { url: raw, latency }); } return Array.from(best.values()).sort((a, b) => a.latency - b.latency); }, setVisible(list) { this.visible = list.slice(); Store.write(K.visible, this.visible); this.emit(); }, /** 下载成功：清零该节点的失败计数 */ markOk(url) { delete this.fails[url]; this.lastOk[url] = Date.now(); Store.write(K.fails, this.fails); Store.write(K.lastOk, this.lastOk); }, pruneLastOk() { const cutoff = Date.now() - PRECHECK_TTL * 2; let dirty = false; for (const k in this.lastOk) { if (this.lastOk[k] < cutoff) { delete this.lastOk[k]; dirty = true; } } if (dirty) Store.write(K.lastOk, this.lastOk); }, /** * 下载失败：计数 +1。 * 全军覆没时清空记忆——否则所有节点都会被永久剔除，再也回不到候选里。 */ markFail(url) { this.fails[url] = (this.fails[url] || 0) + 1; const anyAlive = this.nodes.some((n) => (this.fails[n.url] || 0) < NODE_FAIL_LIMIT); if (!anyAlive) this.fails = {}; Store.write(K.fails, this.fails); }, /** * 候选镜像：纯查询，无副作用。 * 先剔除连续失败超限的，再按用户勾选过滤；都没勾选则退回延迟最低的 10 个。 */ candidates() { const alive = this.nodes.filter((n) => (this.fails[n.url] || 0) < NODE_FAIL_LIMIT); const pool = alive.length ? alive : this.nodes; const picked = pool.filter((n) => this.visible.includes(n.url)); return picked.length ? picked : pool.slice(0, 10); }, isFresh(url) { return (this.lastOk[url] || 0) > Date.now() - PRECHECK_TTL; }, freshCandidates() { return this.candidates().filter((n) => this.isFresh(n.url)); }, isStale() { return !this.nodes.length || (Date.now() - this.updatedAt > NODE_TTL); } }; /** 节点加载：API → 内置连通测速 → 保留旧值 */ async function loadNodes(reason) { try { NodeStore.setNodes(await nodesFromApi()); Log.info(reason + '刷新：接口返回 ' + NodeStore.nodes.length + ' 个节点'); return true; } catch (e) { Log.warn(reason + '刷新：接口失败 →', e.message); } try { NodeStore.setNodes(await nodesFromProbe()); Log.info(reason + '刷新：内置测速得到 ' + NodeStore.nodes.length + ' 个节点'); return true; } catch (e) { Log.warn(reason + '刷新：内置测速失败 →', e.message); } NodeStore.emit(); return false; } /* ====================================================================== * L5-a · CAPABILITY —— Downloader：只管「发射」，不接管下载 * * 职责边界： * 脚本（本层）：挑选镜像 → HEAD 预检 → 原生 a[download] 点击 * 浏览器原生通道：把下载事件交给默认下载器 或 Gopeed 浏览器扩展 * Gopeed 扩展：通过 chrome.downloads 事件监听原生下载并拦截 * * 脚本一旦走 GM_download / blob / objectURL 中转，就绕开了原生下载事件， * Gopeed 永远拦不到——所以这里只有 clickAnchor 一条路径。 * 镜像可用性靠 HEAD 预检判断：失败记入健康度并自动换下一个。 * ==================================================================== */ /** GitHub 原链 + 镜像前缀 → 镜像直链 */ function mirrorUrl(githubUrl, nodeUrl) { if (!githubUrl || !nodeUrl) return ''; return String(nodeUrl).replace(/\/+$/, '') + '/' + String(githubUrl).replace(/^\/+/, ''); } /** * 通过原生 触发浏览器下载事件。 * 关键：Gopeed 浏览器扩展监听的就是这条原生事件—— * 因此脚本只此一条路径，不中转、不接字节，确保下载工具能正常接管。 */ function clickAnchor(href, filename) { const a = document.createElement('a'); a.href = href; if (filename) a.download = filename; a.rel = 'noopener'; a.style.display = 'none'; document.body.appendChild(a); a.click(); setTimeout(() => a.remove(), 1000); } /** HEAD 预检：确认镜像真的能给文件，再把直链交给浏览器 */ function precheck(url, timeoutMs) { return gmRequest({ url, method: 'HEAD', timeout: timeoutMs || HEAD_TIMEOUT }) .then((res) => { const m = /content-length:\s*(\d+)/i.exec(res.responseHeaders || ''); return { ok: true, size: m ? parseInt(m[1], 10) : -1 }; }) .catch((e) => ({ ok: false, error: (e && e.message) || '预检失败' })); } const Downloader = { /** 直链交付：原生 a[download] 点击，发射后即交还浏览器，脚本不再介入 */ deliver(githubUrl, filename) { clickAnchor(githubUrl, filename); }, /** * 自动模式：候选镜像逐个 HEAD 预检，失败换下一个；全部失败时对最快节点 * 直接放行一次（仍是 clickAnchor 原生通道，下载工具照样能接管）。 * @returns Promise<{ok, nodeUrl?, blind?, size?, error?, trace:string[]}> */ async runAuto(githubUrl, filename, hooks) { hooks = hooks || {}; if (!NodeStore.nodes.length) await loadNodes('自动下载'); const trace = []; // fast-path:fresh 候选直接 fire,跳过预检 const fresh = NodeStore.freshCandidates().slice(0, NODE_RETRY_MAX); if (fresh.length) { const best = fresh[0]; if (hooks.onNode) hooks.onNode(best, 1, 1, false); this.deliver(mirrorUrl(githubUrl, best.url), filename); return { ok: true, nodeUrl: best.url, blind: false, trace }; } const list = NodeStore.candidates().slice(0, NODE_RETRY_MAX); if (!list.length) return { ok: false, error: '没有可用镜像节点', trace: [] }; for (let i = 0; i < list.length; i++) { const node = list[i]; if (hooks.onNode) hooks.onNode(node, i + 1, list.length, false); const target = mirrorUrl(githubUrl, node.url); const head = await precheck(target, HEAD_TIMEOUT_FAST); if (head.ok) { NodeStore.markOk(node.url); this.deliver(target, filename); return { ok: true, nodeUrl: node.url, size: head.size, blind: false, trace }; } NodeStore.markFail(node.url); trace.push(Utils.shortDomain(node.url) + ' ✗ ' + head.error); Log.warn('镜像预检失败 →', Utils.shortDomain(node.url), head.error); } // 轮转耗尽：预检可能误判（部分镜像不支持 HEAD），对最快节点直接放行 const best = list[0]; if (hooks.onNode) hooks.onNode(best, list.length, list.length, true); this.deliver(mirrorUrl(githubUrl, best.url), filename); return { ok: true, nodeUrl: best.url, blind: true, trace }; } }; /* ====================================================================== * L5-b · CAPABILITY —— Injector：规则表驱动，无硬编码 if/else 分支 * ==================================================================== */ const Injector = { timer: null, activeScenarios() { const cfg = Settings.get().inject; const host = location.hostname; return SCENARIOS.filter((s) => { if (!cfg[s.key]) return false; if (s.hosts && !s.hosts.includes(host)) return false; return true; }); }, build(githubUrl, filename) { const btn = document.createElement('button'); btn.type = 'button'; btn.className = 'ghb-dl-btn'; btn.title = '镜像加速下载'; btn.dataset.ghbUrl = githubUrl; btn.setAttribute('aria-label', '镜像加速下载'); btn.innerHTML = Icons.download + '镜像下载'; btn.addEventListener('click', (e) => { e.preventDefault(); e.stopPropagation(); View.download(githubUrl, filename || Utils.filenameFromUrl(githubUrl)); }); return btn; }, attach(container, link, scenario) { if (!container || !link || !link.href) return; if (container.querySelector(':scope > .ghb-dl-btn')) return; // selector 已限定 github 域名（含 codeload.github.com），此处不再二次过滤 const href = link.href; const name = scenario.name(link) || Utils.filenameFromUrl(href); container.appendChild(this.build(href, name)); }, run() { this.activeScenarios().forEach((s) => { let links; try { links = document.querySelectorAll(s.selector); } catch { return; } links.forEach((link) => { this.attach(s.container(link), link, s); }); }); }, schedule(delay) { clearTimeout(this.timer); this.timer = setTimeout(() => this.run(), delay || 0); }, start() { this.schedule(400); // GitHub 是 SPA：监听路由变化与相关 DOM 增量 let lastHref = location.href; const mo = new MutationObserver((records) => { if (location.href !== lastHref) { lastHref = location.href; this.schedule(700); return; } const relevant = records.some((m) => { for (const node of m.addedNodes) { if (node.nodeType !== 1) continue; const html = (node.outerHTML || '').toLowerCase(); if (html.includes('download') || html.includes('release') || html.includes('archive') || html.includes('raw') || html.includes('codeload')) return true; } return false; }); if (relevant) this.schedule(INJECT_DEBOUNCE); }); mo.observe(document.body, { childList: true, subtree: true }); setInterval(() => this.schedule(), INJECT_INTERVAL); } }; /* ====================================================================== * L6 · VIEW —— 样式表 / 启动器 / 面板 / 下载弹窗 / Toast * ==================================================================== */ const CSS = ` /* 主题色挂在 html 上：注入到页面里的按钮与 toast 不在 .ghb-scope 内， 同样需要读到这些变量；明暗切换直接跟随 GitHub 的 data-color-mode */ html{ --ghb-accent:#2da44e; --ghb-accent-2:#1a7f37; --ghb-accent-fg:#ffffff; --ghb-good:#2da44e; --ghb-warn:#d29922; --ghb-bad:#f85149; } html[data-color-mode="light"]{ --ghb-accent:#1a7f37; --ghb-accent-2:#116329; } .ghb-scope{ --ghb-bg:#0d1117; --ghb-bg-2:#161b22; --ghb-bg-3:#21262d; --ghb-bd:#30363d; --ghb-bd-2:#21262d; --ghb-fg:#e6edf3; --ghb-fg-2:#8b949e; --ghb-fg-3:#6e7681; --ghb-shadow:0 16px 44px rgba(0,0,0,.5); font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Helvetica,Arial,sans-serif; color:var(--ghb-fg); font-size:13px; line-height:1.5; } .ghb-scope.ghb-light{ --ghb-bg:#ffffff; --ghb-bg-2:#f6f8fa; --ghb-bg-3:#eaeef2; --ghb-bd:#d0d7de; --ghb-bd-2:#d8dee4; --ghb-fg:#1f2328; --ghb-fg-2:#59636e; --ghb-fg-3:#818b98; --ghb-shadow:0 16px 44px rgba(31,35,40,.16); } .ghb-scope svg{width:1em;height:1em;fill:currentColor;flex:none;vertical-align:-.125em;} /* ---------- 启动器：右侧中部圆形按钮，可拖拽，默认贴右 ---------- */ #ghb-launcher{ position:fixed; right:0; top:50%; transform:translateY(-50%); margin-right:10px; z-index:2147483000; width:44px; height:44px; padding:0; display:flex; align-items:center; justify-content:center; border:none; border-radius:50%; background:var(--ghb-accent); color:#fff; cursor:pointer; box-shadow:0 6px 20px rgba(0,0,0,.32); transition:background .18s, box-shadow .18s, transform .18s, filter .18s; font-family:inherit; line-height:1; } #ghb-launcher:hover{background:var(--ghb-accent-2); box-shadow:0 8px 26px rgba(0,0,0,.4); transform:translateY(-50%) scale(1.06);} #ghb-launcher.ghb-dragging{cursor:grabbing; filter:brightness(1.08); user-select:none; transform:translateY(-50%) scale(.96);} #ghb-launcher .ghb-lau-mark{width:26px;height:26px;display:block;} #ghb-launcher .ghb-lau-mark svg{width:26px;height:26px;} /* ---------- 遮罩 ---------- */ #ghb-overlay{ position:fixed; inset:0; z-index:2147483001; background:rgba(0,0,0,.5); opacity:0; pointer-events:none; transition:opacity .2s; } #ghb-overlay.ghb-open{opacity:1; pointer-events:auto;} /* ---------- 面板：居中，三 Tab ---------- */ #ghb-panel{ position:fixed; left:50%; top:50%; z-index:2147483002; width:460px; max-width:calc(100vw - 32px); max-height:84vh; background:var(--ghb-bg); border:1px solid var(--ghb-bd); border-radius:14px; box-shadow:var(--ghb-shadow); display:flex; flex-direction:column; overflow:hidden; opacity:0; transform:translate(-50%,-46%) scale(.97); pointer-events:none; transition:opacity .22s, transform .22s cubic-bezier(.4,0,.2,1); } #ghb-panel.ghb-open{opacity:1; transform:translate(-50%,-50%) scale(1); pointer-events:auto;} .ghb-head{display:flex; align-items:center; gap:10px; padding:14px 16px; border-bottom:1px solid var(--ghb-bd-2); flex:none;} .ghb-head .ghb-mark{width:24px;height:24px;} .ghb-head .ghb-mark svg{width:24px;height:24px;} .ghb-head h2{margin:0; font-size:15px; font-weight:600; color:var(--ghb-fg);} .ghb-head .ghb-ver{font-size:11px; color:var(--ghb-fg-2); border:1px solid var(--ghb-bd); border-radius:999px; padding:1px 7px;} .ghb-head .ghb-spacer{flex:1;} .ghb-icon-btn{ width:28px; height:28px; display:flex; align-items:center; justify-content:center; border:none; border-radius:6px; background:transparent; color:var(--ghb-fg-2); cursor:pointer; font-size:16px; transition:background .15s, color .15s; } .ghb-icon-btn:hover{background:var(--ghb-bg-3); color:var(--ghb-fg);} .ghb-tabs{display:flex; border-bottom:1px solid var(--ghb-bd-2); flex:none; background:var(--ghb-bg-2);} .ghb-tab{ flex:1; padding:10px 0; border:none; background:transparent; cursor:pointer; font-family:inherit; font-size:13px; color:var(--ghb-fg-2); border-bottom:2px solid transparent; transition:color .15s, background .15s; } .ghb-tab:hover{color:var(--ghb-fg); background:var(--ghb-bg-3);} .ghb-tab.ghb-on{color:var(--ghb-fg); font-weight:600; border-bottom-color:var(--ghb-accent);} .ghb-body{flex:1; overflow-y:auto; min-height:180px;} .ghb-body::-webkit-scrollbar{width:8px;} .ghb-body::-webkit-scrollbar-thumb{background:var(--ghb-bd); border-radius:4px;} .ghb-page{display:none;} .ghb-page.ghb-on{display:block;} .ghb-status{ display:flex; align-items:center; gap:8px; padding:10px 16px; font-size:12px; color:var(--ghb-fg-2); border-bottom:1px solid var(--ghb-bd-2); background:var(--ghb-bg-2); } .ghb-dot{width:8px;height:8px;border-radius:50%;background:var(--ghb-fg-3);flex:none;} .ghb-dot.ghb-online{background:var(--ghb-good);} .ghb-dot.ghb-offline{background:var(--ghb-bad);} .ghb-status .ghb-tail{margin-left:auto; color:var(--ghb-fg-3);} .ghb-toolbar{display:flex; flex-wrap:wrap; gap:6px; padding:10px 16px; border-bottom:1px solid var(--ghb-bd-2);} .ghb-btn{ display:inline-flex; align-items:center; gap:5px; padding:5px 10px; border:1px solid var(--ghb-bd); border-radius:6px; background:var(--ghb-bg-3); color:var(--ghb-fg); font-family:inherit; font-size:12px; cursor:pointer; white-space:nowrap; transition:background .15s, border-color .15s, opacity .15s; } .ghb-btn:hover{background:var(--ghb-bd); border-color:var(--ghb-fg-3);} .ghb-btn[disabled]{opacity:.5; pointer-events:none;} .ghb-btn.ghb-primary{background:var(--ghb-accent); border-color:var(--ghb-accent); color:var(--ghb-accent-fg);} .ghb-btn.ghb-primary:hover{background:var(--ghb-accent-2);} .ghb-btn.ghb-danger:hover{background:var(--ghb-bad); border-color:var(--ghb-bad); color:#fff;} .ghb-btn svg{font-size:14px;} .ghb-spin{animation:ghb-spin 1s linear infinite;} @keyframes ghb-spin{to{transform:rotate(360deg);}} .ghb-field{display:flex; align-items:center; gap:8px; padding:6px 16px 10px;} .ghb-input{ flex:1; min-width:0; padding:6px 9px; border:1px solid var(--ghb-bd); border-radius:6px; background:var(--ghb-bg-2); color:var(--ghb-fg); font-family:inherit; font-size:13px; } .ghb-input:focus{outline:none; border-color:var(--ghb-accent);} .ghb-list{padding:4px 0;} .ghb-row{display:flex; align-items:center; gap:10px; padding:8px 16px; transition:background .12s;} .ghb-row:hover{background:var(--ghb-bg-2);} .ghb-cb{position:relative; width:16px; height:16px; flex:none; cursor:pointer;} .ghb-cb input{position:absolute; inset:0; width:100%; height:100%; margin:0; opacity:0; cursor:pointer; z-index:1;} .ghb-cb span{ display:block; width:16px; height:16px; border:1.5px solid var(--ghb-bd); border-radius:4px; background:var(--ghb-bg); transition:background .15s, border-color .15s; } .ghb-cb input:checked + span{background:var(--ghb-accent); border-color:var(--ghb-accent);} .ghb-cb input:checked + span::after{ content:''; display:block; width:4px; height:8px; margin:1px 0 0 4.5px; border:solid #fff; border-width:0 2px 2px 0; transform:rotate(45deg); } .ghb-main{flex:1; min-width:0;} .ghb-name{font-size:13px; color:var(--ghb-fg); overflow:hidden; text-overflow:ellipsis; white-space:nowrap;} .ghb-meta{display:flex; align-items:center; gap:6px; margin-top:3px; font-size:11px; color:var(--ghb-fg-2);} .ghb-bar{height:3px; width:64px; border-radius:2px; background:var(--ghb-bg-3); overflow:hidden; flex:none;} .ghb-bar i{display:block; height:100%; border-radius:2px;} .ghb-tag{font-size:11px; padding:1px 6px; border-radius:999px; border:1px solid var(--ghb-bd); color:var(--ghb-fg-2);} /* 文字色与进度条填充色分开，避免 .ghb-tag 被染成同色背景 */ .ghb-t-fast{color:var(--ghb-good);} .ghb-t-mid{color:var(--ghb-warn);} .ghb-t-slow{color:var(--ghb-bad);} .ghb-f-fast{background:var(--ghb-good);} .ghb-f-mid{background:var(--ghb-warn);} .ghb-f-slow{background:var(--ghb-bad);} .ghb-empty{padding:32px 16px; text-align:center; color:var(--ghb-fg-2); font-size:13px;} .ghb-empty small{display:block; margin-top:6px; color:var(--ghb-fg-3);} .ghb-hint{padding:10px 16px; font-size:12px; color:var(--ghb-fg-2); border-bottom:1px solid var(--ghb-bd-2); background:var(--ghb-bg-2);} .ghb-setting{display:flex; align-items:center; gap:12px; padding:12px 16px; border-bottom:1px solid var(--ghb-bd-2);} .ghb-setting:last-child{border-bottom:none;} .ghb-setting .ghb-label{flex:1; min-width:0;} .ghb-setting .ghb-lt{display:block; font-size:13px; font-weight:500; color:var(--ghb-fg);} .ghb-setting .ghb-ld{display:block; font-size:11px; color:var(--ghb-fg-2); margin-top:2px;} .ghb-switch{position:relative; width:40px; height:22px; flex:none; cursor:pointer;} .ghb-switch input{position:absolute; inset:0; width:100%; height:100%; margin:0; opacity:0; cursor:pointer; z-index:1;} .ghb-switch i{ display:block; width:40px; height:22px; border-radius:11px; background:var(--ghb-bd); transition:background .22s; position:relative; } .ghb-switch i::after{ content:''; position:absolute; top:3px; left:3px; width:16px; height:16px; border-radius:50%; background:#fff; transition:transform .22s cubic-bezier(.4,0,.2,1); } .ghb-switch input:checked + i{background:var(--ghb-accent);} .ghb-switch input:checked + i::after{transform:translateX(18px);} .ghb-select, .ghb-num{ padding:5px 8px; border:1px solid var(--ghb-bd); border-radius:6px; background:var(--ghb-bg-2); color:var(--ghb-fg); font-family:inherit; font-size:12px; } .ghb-num{width:72px; text-align:right;} .ghb-select:focus, .ghb-num:focus{outline:none; border-color:var(--ghb-accent);} .ghb-inline{display:flex; align-items:center; gap:6px; flex:none;} .ghb-about{padding:14px 16px; font-size:12px; color:var(--ghb-fg-2); border-top:1px solid var(--ghb-bd-2);} .ghb-about b{color:var(--ghb-fg); font-weight:600;} .ghb-foot{ display:flex; align-items:center; justify-content:space-between; gap:8px; padding:8px 16px; border-top:1px solid var(--ghb-bd-2); background:var(--ghb-bg-2); font-size:11px; color:var(--ghb-fg-3); flex:none; } /* ---------- 下载弹窗 ---------- */ #ghb-dl{ position:fixed; inset:0; z-index:2147483003; display:flex; align-items:center; justify-content:center; opacity:0; pointer-events:none; transition:opacity .2s; } #ghb-dl.ghb-open{opacity:1; pointer-events:auto;} #ghb-dl .ghb-dl-bg{position:absolute; inset:0; background:rgba(0,0,0,.6);} #ghb-dl .ghb-card{ position:relative; width:440px; max-width:calc(100vw - 32px); max-height:80vh; background:var(--ghb-bg); border:1px solid var(--ghb-bd); border-radius:14px; box-shadow:var(--ghb-shadow); display:flex; flex-direction:column; overflow:hidden; transform:translateY(10px) scale(.98); transition:transform .22s cubic-bezier(.4,0,.2,1); } #ghb-dl.ghb-open .ghb-card{transform:none;} .ghb-file{padding:10px 16px; background:var(--ghb-bg-2); border-bottom:1px solid var(--ghb-bd-2); flex:none;} .ghb-file .ghb-f1{font-size:11px; color:var(--ghb-fg-2);} .ghb-file .ghb-f2{font-size:13px; font-weight:600; color:var(--ghb-fg); word-break:break-all; margin-top:2px;} .ghb-file .ghb-f3{display:flex; align-items:center; gap:8px; margin-top:8px; flex-wrap:wrap;} .ghb-dl-sub{display:flex; justify-content:flex-end; padding:8px 16px 0; font-size:12px; color:var(--ghb-fg-2); flex:none;} .ghb-nodes{flex:1; overflow-y:auto; padding:4px 0; min-height:120px;} .ghb-nodes::-webkit-scrollbar{width:8px;} .ghb-nodes::-webkit-scrollbar-thumb{background:var(--ghb-bd); border-radius:4px;} .ghb-nrow{display:flex; align-items:center; gap:8px; padding:8px 16px;} .ghb-nrow:hover{background:var(--ghb-bg-2);} .ghb-nrow .ghb-nd{flex:1; min-width:0; font-size:13px; overflow:hidden; text-overflow:ellipsis; white-space:nowrap;} /* ---------- 页面注入的下载按钮 ---------- */ .ghb-dl-btn{ display:inline-flex; align-items:center; gap:4px; margin-left:6px; padding:2px 8px; border:1px solid var(--ghb-accent); border-radius:5px; background:transparent; color:var(--ghb-accent); font-family:inherit; font-size:12px; font-weight:500; line-height:1.5; cursor:pointer; vertical-align:middle; white-space:nowrap; flex:none; transition:background .15s, color .15s; } .ghb-dl-btn:hover{background:var(--ghb-accent); color:var(--ghb-accent-fg);} .ghb-dl-btn svg{width:12px; height:12px; fill:currentColor;} /* ---------- Toast ---------- */ #ghb-toasts{position:fixed; bottom:24px; left:50%; transform:translateX(-50%); z-index:2147483004; display:flex; flex-direction:column; gap:8px; align-items:center; pointer-events:none;} .ghb-toast{ display:flex; align-items:center; gap:8px; max-width:min(560px, calc(100vw - 32px)); padding:9px 14px; border-radius:8px; font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Helvetica,Arial,sans-serif; font-size:13px; color:#fff; box-shadow:0 6px 20px rgba(0,0,0,.35); opacity:0; transform:translateY(12px); transition:opacity .22s, transform .22s; } .ghb-toast.ghb-show{opacity:1; transform:none;} .ghb-toast.ghb-info{background:#1f6feb;} .ghb-toast.ghb-ok{background:var(--ghb-good);} .ghb-toast.ghb-warn{background:#9e6a03;} .ghb-toast.ghb-err{background:#b62324;} `; const View = { el: {}, /* ---------- 主题跟随 GitHub 明暗模式 ---------- */ theme() { const mode = document.documentElement.getAttribute('data-color-mode'); if (mode === 'light' || mode === 'dark') return mode; return window.matchMedia('(prefers-color-scheme: light)').matches ? 'light' : 'dark'; }, applyTheme() { const light = this.theme() === 'light'; [this.el.launcher, this.el.panel, this.el.dl].forEach((n) => { if (n) n.classList.toggle('ghb-light', light); }); }, mount() { GM_addStyle(CSS); const launcher = document.createElement('button'); launcher.id = 'ghb-launcher'; launcher.className = 'ghb-scope'; launcher.type = 'button'; launcher.title = 'GitHub 加速助手（点击打开面板，按住可拖拽）'; launcher.innerHTML = '' + Icons.mark + ''; document.body.appendChild(launcher); const overlay = document.createElement('div'); overlay.id = 'ghb-overlay'; document.body.appendChild(overlay); const panel = document.createElement('div'); panel.id = 'ghb-panel'; panel.className = 'ghb-scope'; document.body.appendChild(panel); const dl = document.createElement('div'); dl.id = 'ghb-dl'; dl.className = 'ghb-scope'; dl.innerHTML = '
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镜像加速下载

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' + VERSION + '作者 ' + AUTHOR + '
' + '
'; document.body.appendChild(dl); Object.assign(this.el, { launcher, overlay, panel, dl }); this.applyTheme(); const mo = new MutationObserver(() => this.applyTheme()); mo.observe(document.documentElement, { attributes: true, attributeFilter: ['data-color-mode', 'data-dark-theme', 'data-light-theme'] }); this.Panel.mount(panel); this.DlModal.mount(dl); this.bindLauncher(launcher, overlay); }, bindLauncher(launcher, overlay) { let dragged = false; launcher.addEventListener('mousedown', (e) => { if (e.button !== 0) return; const r = launcher.getBoundingClientRect(); const sx = e.clientX, sy = e.clientY, ox = r.left, oy = r.top; let moved = false; launcher.classList.add('ghb-dragging'); const onMove = (ev) => { const dx = ev.clientX - sx, dy = ev.clientY - sy; if (!moved && Math.abs(dx) < 4 && Math.abs(dy) < 4) return; moved = true; launcher.style.right = 'auto'; launcher.style.transform = 'none'; launcher.style.left = Math.max(0, Math.min(window.innerWidth - r.width, ox + dx)) + 'px'; launcher.style.top = Math.max(0, Math.min(window.innerHeight - r.height, oy + dy)) + 'px'; }; const onUp = () => { document.removeEventListener('mousemove', onMove); document.removeEventListener('mouseup', onUp); launcher.classList.remove('ghb-dragging'); if (moved) { dragged = true; Settings.set({ launcherPos: { left: launcher.style.left, top: launcher.style.top } }); setTimeout(() => { dragged = false; }, 0); } }; document.addEventListener('mousemove', onMove); document.addEventListener('mouseup', onUp); e.preventDefault(); }); launcher.addEventListener('click', () => { if (dragged) return; this.Panel.toggle(); }); overlay.addEventListener('click', () => this.Panel.toggle()); }, restoreLauncherPos() { const pos = Settings.get().launcherPos; const l = this.el.launcher; if (pos && pos.left && pos.top) { // 必须把 right 置 auto，否则 CSS 的 right:0 会与 inline left 冲突导致贴右 l.style.transform = 'none'; l.style.right = 'auto'; l.style.left = pos.left; l.style.top = pos.top; } this.applyLauncherVisible(); }, /** 启动器显示状态的唯一写入口：设置项、DOM、面板勾选框三者同步 */ setLauncherVisible(on) { Settings.set({ showLauncher: !!on }); this.applyLauncherVisible(); }, applyLauncherVisible() { const on = !!Settings.get().showLauncher; if (this.el.launcher) this.el.launcher.style.display = on ? 'flex' : 'none'; const cb = document.getElementById('ghb-s-launcher'); if (cb) cb.checked = on; }, /** 统一下载入口：弹窗手选 / 全自动最快节点，由设置 askNode 决定（脚本不接管下载） */ download(githubUrl, filename) { if (!githubUrl) { this.Toast.err('链接无效'); return; } const name = filename || Utils.filenameFromUrl(githubUrl); if (Settings.get().askNode) this.DlModal.open(githubUrl, name); else this.autoDownload(githubUrl, name); }, /** 全自动：轮换镜像直到预检通过，常驻 Toast 反馈，不打扰页面 */ async autoDownload(githubUrl, filename) { if (this._autoBusy) { this.Toast.warn('已有下载任务在进行中'); return; } this._autoBusy = true; const sticky = this.Toast.sticky('正在选择最快镜像…'); const r = await Downloader.runAuto(githubUrl, filename, { onNode: (node, i, n, last) => sticky.update('(' + i + '/' + n + ') 预检 ' + Utils.shortDomain(node.url) + (last ? '（兜底直连）' : '') + '…') }); this._autoBusy = false; if (r.ok && r.blind) { sticky.warn('镜像预检均失败，已对最快节点直接放行 · ' + filename); } else if (r.ok) { sticky.ok('已交给浏览器下载 · ' + filename + '（' + Utils.shortDomain(r.nodeUrl) + '）'); } else { sticky.err(r.error + '｜可点「复制链接」手动下载'); } }, /* ---------- Toast ---------- */ Toast: { host() { let h = document.getElementById('ghb-toasts'); if (!h) { h = document.createElement('div'); h.id = 'ghb-toasts'; document.body.appendChild(h); } return h; }, show(msg, kind, ms) { // 懒创建：初始化完成前的提示不会被静默丢弃 const host = this.host(); const t = document.createElement('div'); t.className = 'ghb-toast ghb-' + (kind || 'info'); t.textContent = msg; host.appendChild(t); requestAnimationFrame(() => t.classList.add('ghb-show')); setTimeout(() => { t.classList.remove('ghb-show'); setTimeout(() => t.remove(), 260); }, ms || (kind === 'err' ? 4200 : 2400)); }, /** 常驻状态提示：自动下载过程的反馈载体，结束时收敛为普通 toast */ sticky(text) { const t = document.createElement('div'); t.className = 'ghb-toast ghb-info'; t.textContent = text; this.host().appendChild(t); requestAnimationFrame(() => t.classList.add('ghb-show')); let gone = false; const close = () => { if (gone) return; gone = true; t.classList.remove('ghb-show'); setTimeout(() => t.remove(), 260); }; return { update(msg) { if (!gone) t.textContent = msg || text; }, ok(msg) { close(); View.Toast.ok(msg); }, warn(msg) { close(); View.Toast.warn(msg); }, err(msg) { close(); View.Toast.err(msg); } }; }, ok: (m) => View.Toast.show(m, 'ok'), warn: (m) => View.Toast.show(m, 'warn'), err: (m) => View.Toast.show(m, 'err'), info: (m) => View.Toast.show(m, 'info') }, /* ---------- 管理面板 ---------- */ Panel: { open: false, tab: 'nodes', root: null, mount(root) { this.root = root; root.innerHTML = '
' + ' ' + Icons.mark + '' + '

GitHub 加速助手

' + ' ' + VERSION + '' + ' ' + ' ' + '
' + '
' + ' ' + ' ' + ' ' + '
' + '
' + '
' + '
' + '
' + '
' + '
作者 ' + AUTHOR + '
'; root.querySelector('#ghb-panel-close').addEventListener('click', () => this.toggle()); root.querySelectorAll('.ghb-tab').forEach((btn) => { btn.addEventListener('click', () => this.switch(btn.dataset.tab)); }); this.renderNodesPage(); this.renderInjectPage(); this.renderSettingsPage(); this.switch(Settings.get().lastTab || 'nodes'); }, toggle() { this.open = !this.open; View.el.panel.classList.toggle('ghb-open', this.open); View.el.overlay.classList.toggle('ghb-open', this.open); if (this.open) this.refresh(); }, switch(tab) { this.tab = tab; Settings.set({ lastTab: tab }); this.root.querySelectorAll('.ghb-tab').forEach((b) => b.classList.toggle('ghb-on', b.dataset.tab === tab)); this.root.querySelectorAll('.ghb-page').forEach((p) => p.classList.toggle('ghb-on', p.id === 'ghb-page-' + tab)); }, refresh() { this.renderNodesPage(); this.renderInjectPage(); this.renderSettingsPage(); }, renderNodesPage() { const page = this.root.querySelector('#ghb-page-nodes'); const nodes = NodeStore.nodes; const online = nodes.length > 0; const lats = nodes.map((n) => n.latency || 0); const summary = online ? nodes.length + ' 个节点 · 最快 ' + Math.min.apply(null, lats) + 'ms · 平均 ' + Math.round(lats.reduce((a, b) => a + b, 0) / lats.length) + 'ms' : '暂无可用节点'; page.innerHTML = '
' + ' ' + ' ' + Utils.esc(summary) + '' + ' 更新 ' + Utils.clock(NodeStore.updatedAt) + '' + '
' + '
' + ' ' + ' ' + ' ' + ' ' + ' ' + '
' + '
' + '
'; page.querySelector('#ghb-n-refresh').addEventListener('click', (e) => this.onRefresh(e.currentTarget)); page.querySelector('#ghb-n-probe').addEventListener('click', (e) => this.onProbe(e.currentTarget)); page.querySelector('#ghb-n-all').addEventListener('click', () => { NodeStore.setVisible(NodeStore.nodes.map((n) => n.url)); View.Toast.info('已全选 ' + NodeStore.nodes.length + ' 个节点'); }); page.querySelector('#ghb-n-none').addEventListener('click', () => { NodeStore.setVisible([]); View.Toast.info('已取消全部勾选'); }); page.querySelector('#ghb-n-top').addEventListener('click', () => { NodeStore.setVisible(NodeStore.nodes.slice(0, 10).map((n) => n.url)); View.Toast.info('已恢复延迟最低的 10 个节点'); }); const filter = page.querySelector('#ghb-n-filter'); filter.addEventListener('input', () => { this.filter = filter.value; this.renderList(); }); this.renderList(); }, renderList() { const list = this.root.querySelector('#ghb-n-list'); if (!list) return; const kw = (this.filter || '').trim().toLowerCase(); const nodes = NodeStore.nodes.filter((n) => !kw || n.url.toLowerCase().includes(kw)); if (!nodes.length) { list.innerHTML = '
没有匹配的节点' + (NodeStore.nodes.length ? '' : '
正在后台自动获取…') + '也可点击「刷新节点」手动重试
'; return; } list.innerHTML = nodes.map((n) => { const ms = n.latency || 0; const lv = Utils.level(ms); const on = NodeStore.visible.includes(n.url); return '
' + '' + '
' + '
' + Utils.esc(Utils.shortDomain(n.url)) + '
' + '
' + ms + 'ms
' + '
' + '' + '
'; }).join(''); list.querySelectorAll('.ghb-n-cb').forEach((cb) => { cb.addEventListener('change', () => { const next = new Set(NodeStore.visible); cb.checked ? next.add(cb.dataset.url) : next.delete(cb.dataset.url); NodeStore.setVisible(Array.from(next)); }); }); list.querySelectorAll('.ghb-n-test').forEach((b) => { b.addEventListener('click', () => this.onTest(b)); }); const count = this.root.querySelector('#ghb-panel-count'); if (count) count.textContent = '已启用 ' + NodeStore.visible.length + ' / ' + NodeStore.nodes.length; }, async onRefresh(btn) { btn.disabled = true; btn.querySelector('svg').classList.add('ghb-spin'); const ok = await loadNodes('手动'); btn.disabled = false; btn.querySelector('svg').classList.remove('ghb-spin'); ok ? View.Toast.ok('已刷新，共 ' + NodeStore.nodes.length + ' 个节点') : View.Toast.err('刷新失败，请检查网络或稍后重试'); }, async onProbe(btn) { if (!NodeStore.nodes.length) { View.Toast.warn('暂无节点可测速'); return; } btn.disabled = true; btn.querySelector('svg').classList.add('ghb-spin'); const list = await probeMany(NodeStore.nodes.map((n) => n.url)); btn.disabled = false; btn.querySelector('svg').classList.remove('ghb-spin'); if (!list.length) { View.Toast.err('全部节点均不可达'); return; } list.forEach((n) => NodeStore.markOk(n.url)); NodeStore.setNodes(list); View.Toast.ok('测速完成，' + list.length + ' 个节点已就绪'); }, onTest(btn) { const url = btn.dataset.url; const old = btn.textContent; btn.disabled = true; btn.textContent = '…'; probeOne(url).then((r) => { btn.textContent = r.ok ? r.ms + 'ms' : '不可达'; btn.style.color = r.ok ? 'var(--ghb-good)' : 'var(--ghb-bad)'; const node = NodeStore.nodes.find((n) => n.url === url); if (node && r.ok) { node.latency = r.ms; NodeStore.setNodes(NodeStore.nodes.slice().sort((a, b) => a.latency - b.latency)); } setTimeout(() => { btn.textContent = old; btn.style.color = ''; btn.disabled = false; }, 2600); }); }, renderInjectPage() { const page = this.root.querySelector('#ghb-page-inject'); const cfg = Settings.get().inject; page.innerHTML = '
控制各位置「镜像下载」按钮的显示。改动立即生效，已渲染的按钮需刷新页面才移除。
' + SCENARIOS.map((s) => '
' + ' ' + ' ' + ' ' + ' ' + '
').join(''); page.querySelectorAll('.ghb-switch input').forEach((cb) => { cb.addEventListener('change', () => { Settings.setInject(cb.dataset.key, cb.checked); const s = SCENARIOS.find((x) => x.key === cb.dataset.key); View.Toast.info((cb.checked ? '已开启「' : '已关闭「') + (s ? s.label : cb.dataset.key) + '」'); Injector.schedule(150); }); }); }, renderSettingsPage() { const page = this.root.querySelector('#ghb-page-settings'); const s = Settings.get(); page.innerHTML = '
' + ' ' + ' ' + '
' + '
' + ' ' + ' ' + '
' + '
' + ' ' + ' ' + '
' + '
' + ' ' + ' ' + '
' + '
' + ' 恢复默认设置' + ' 清空节点缓存与全部偏好' + ' ' + '
' + '
' + ' ' + VERSION + ' · 作者 ' + AUTHOR + '
' + ' 本脚本不接管下载：只负责挑选可用镜像并生成直链，下载一律走浏览器原生通道，Gopeed / IDM 等工具可正常接管。
' + ' 若浏览器无反应，点「复制链接」粘贴进下载工具即可。' + '
'; page.querySelector('#ghb-s-autorefresh').addEventListener('change', (e) => { Settings.set({ refreshOnStart: e.target.checked }); }); page.querySelector('#ghb-s-asknode').addEventListener('change', (e) => { Settings.set({ askNode: e.target.checked }); View.Toast.info(e.target.checked ? '下载时将弹出节点选择弹窗' : '已切换为全自动：自动选最快镜像，失败自动换下一个'); }); page.querySelector('#ghb-s-pagebtn').addEventListener('change', (e) => { Settings.set({ showPageButtons: e.target.checked }); View.Toast.info('页面内镜像按钮已' + (e.target.checked ? '开启' : '关闭') + ',刷新页面后生效'); }); page.querySelector('#ghb-s-launcher').addEventListener('change', (e) => { View.setLauncherVisible(e.target.checked); View.Toast.info('侧边启动器已' + (e.target.checked ? '显示' : '隐藏')); }); page.querySelector('#ghb-s-reset').addEventListener('click', () => { resetAll(); View.restoreLauncherPos(); this.refresh(); View.Toast.ok('已恢复默认设置'); }); } }, /* ---------- 下载弹窗 ---------- */ DlModal: { url: '', name: '', root: null, mount(root) { this.root = root; root.querySelector('.ghb-dl-bg').addEventListener('click', () => this.close()); root.querySelector('#ghb-dl-close').addEventListener('click', () => this.close()); root.querySelector('#ghb-dl-refresh').addEventListener('click', (e) => this.onRefresh(e.currentTarget)); root.querySelector('#ghb-dl-copy').addEventListener('click', () => this.onCopy()); root.querySelector('#ghb-dl-fast').addEventListener('click', () => this.onFastest()); root.querySelector('#ghb-dl-nodes').addEventListener('click', (e) => { const b = e.target.closest('.ghb-dl-go'); if (b) this.onDownload(b.dataset.node, b); }); document.addEventListener('keydown', (e) => { if (e.key === 'Escape' && root.classList.contains('ghb-open')) this.close(); }); }, open(githubUrl, filename) { this.url = githubUrl || ''; this.name = filename || Utils.filenameFromUrl(githubUrl); this.root.querySelector('#ghb-dl-name').textContent = this.name; this.renderNodes(); this.root.classList.add('ghb-open'); if (!NodeStore.nodes.length) loadNodes('弹窗').then(() => this.renderNodes()); }, close() { this.root.classList.remove('ghb-open'); }, nodes() { return NodeStore.candidates(); }, renderNodes() { const host = this.root.querySelector('#ghb-dl-nodes'); const list = this.nodes(); const count = this.root.querySelector('#ghb-dl-count'); if (count) count.textContent = list.length + ' 个节点'; if (!list.length) { host.innerHTML = '
暂无可用节点
正在后台自动获取…' + '可点击右上角刷新按钮重试
'; return; } host.innerHTML = list.map((n) => { const ms = n.latency || 0; return '
' + '' + Utils.esc(Utils.shortDomain(n.url)) + '' + '' + ms + 'ms' + '' + '
'; }).join(''); }, async onRefresh(btn) { btn.querySelector('svg').classList.add('ghb-spin'); btn.disabled = true; await loadNodes('弹窗'); btn.disabled = false; btn.querySelector('svg').classList.remove('ghb-spin'); this.renderNodes(); View.Toast.info('节点已刷新'); }, async onCopy() { const list = this.nodes(); if (!list.length) { View.Toast.warn('暂无节点，无法生成镜像链接'); return; } const url = mirrorUrl(this.url, list[0].url); const ok = await Utils.copy(url); View.Toast.show(ok ? '已复制最快节点链接，可粘贴进下载工具' : '复制失败，请手动复制', ok ? 'ok' : 'err'); }, onFastest() { const list = this.nodes(); if (!list.length) { View.Toast.warn('暂无可用节点'); return; } this.onDownload(list[0].url); }, async onDownload(nodeUrl, btn) { const target = mirrorUrl(this.url, nodeUrl); if (!target) { View.Toast.err('链接拼装失败'); return; } // fast-path:fresh 候选直接 fire if (NodeStore.isFresh(nodeUrl)) { this.close(); Downloader.deliver(target, this.name); View.Toast.ok('已交给浏览器下载 · ' + this.name + '｜Gopeed 等工具会自动接管'); return; } if (btn) { btn.disabled = true; btn.textContent = '预检中…'; } const head = await precheck(target, HEAD_TIMEOUT_FAST); if (!head.ok) { NodeStore.markFail(nodeUrl); if (btn) { btn.disabled = false; btn.innerHTML = Icons.download + '下载'; } View.Toast.err('该节点预检失败（' + head.error + '），已记入健康度，试试其他节点'); return; } NodeStore.markOk(nodeUrl); this.close(); Downloader.deliver(target, this.name); View.Toast.ok('已交给浏览器下载 · ' + this.name + '｜Gopeed 等工具会自动接管'); } } }; /* ====================================================================== * L7 · BOOTSTRAP * ==================================================================== */ function registerMenu() { const items = [ ['打开加速面板', () => { if (!View.Panel.open) View.Panel.toggle(); }], ['刷新镜像节点', () => loadNodes('菜单').then((ok) => ok ? View.Toast.ok('已刷新 ' + NodeStore.nodes.length + ' 个节点') : View.Toast.err('刷新失败'))], ['显示 / 隐藏侧边启动器', () => { const on = !Settings.get().showLauncher; View.setLauncherVisible(on); View.Toast.info('侧边启动器已' + (on ? '显示' : '隐藏')); }], ['重置全部设置', () => { resetAll(); View.restoreLauncherPos(); View.Toast.ok('已重置，刷新页面后生效'); }] ]; if (typeof GM_registerMenuCommand === 'function') { items.forEach(([label, fn]) => GM_registerMenuCommand(label, fn)); } } /** 清空全部持久化数据并恢复默认（油猴菜单与设置页共用，避免两处逻辑漂移） */ function resetAll() { Settings.reset(); Store.remove(K.nodes); Store.remove(K.visible); Store.remove(K.updatedAt); Store.remove(K.fails); Store.remove(K.lastOk); NodeStore.nodes = []; NodeStore.visible = []; NodeStore.updatedAt = 0; NodeStore.fails = {}; NodeStore.lastOk = {}; NodeStore.emit(); } function bootstrap() { Settings.load(); NodeStore.hydrate(); View.mount(); View.restoreLauncherPos(); // 状态变更 → 面板/弹窗自动重绘，无需手工调用刷新 NodeStore.subscribe(() => { View.Panel.renderList(); View.DlModal.renderNodes(); }); registerMenu(); if (Settings.get().showPageButtons) Injector.start(); if (NodeStore.isStale() && Settings.get().refreshOnStart) { loadNodes('启动'); } else if (NodeStore.nodes.length) { loadNodes('后台'); // 缓存可用，静默更新 } setInterval(() => loadNodes('定时'), NODE_TTL); } try { bootstrap(); } catch (err) { Log.error('初始化失败', err); } })();