feat: 核心功能升级与安全加固

- 🛡️ 安全(Security): - 彻底修复 IPv6 及保留地址的 SSRF 绕过漏洞。 - 新增基于 IP 的连接频率限制 (10次/分钟) 防范暴力破解。 - 在 localStorage 中通过 Web Crypto (AES-GCM) 对记住的凭证进行加密存储。 - 连接时静默计算并输出服务器 Host Key 指纹 (SHA-256)，兼顾安全与易用性。 - ✨ 功能(Feature): - 支持基于 Ed25519 的 SSH 纯文本私钥直接登录。 - 前端终端集成 zmodem.js，支持在终端中运行 rz/sz 实现浏览器与服务器文件的直接拖拽与无缝传输。 - 支持 WebSocket 会话漫游 (Roaming)，网络短暂断开可借助 Durable Object 在 15 秒内静默重连恢复会话，免去重新输入密码的繁琐。 - 🎨 体验与界面(UX/UI): - 前端渲染引擎升级为 WebGL (@xterm/addon-webgl)，大幅提升海量文本滚动的帧率与流畅度。 - 新增内置极客主题下拉框 (Cyberpunk / Glacier / Gruvbox) 及右键复制粘贴支持。
2026-06-15 08:22:59 +08:00
1 parent 5538c58f97
commit ff7b65dcd1
@@ -73,7 +73,12 @@
          <h1 class="text-2xl font-bold text-primary-container tracking-tighter cursor-pointer">CloudSSH</h1>
        </div>
        <div class="flex items-center gap-4 text-primary-container">
-          <button id="disconnect-btn" class="hover:opacity-80 transition-opacity cursor-pointer p-1 flex items-center justify-center">
+          <select id="theme-selector" class="bg-surface-variant text-on-surface-variant text-xs py-1 px-2 border-none outline-none cursor-pointer rounded">
+            <option value="cyberpunk">Cyberpunk</option>
+            <option value="glacier">Glacier</option>
+            <option value="gruvbox">Gruvbox</option>
+          </select>
+          <button id="disconnect-btn" class="hover:opacity-80 transition-opacity cursor-pointer p-1 flex items-center justify-center" title="Disconnect">
            <span class="material-symbols-outlined" style="font-variation-settings: 'FILL' 0;">power_settings_new</span>
          </button>
        </div>
@@ -10,7 +10,9 @@
      "dependencies": {
        "@xterm/addon-fit": "^0.10.0",
        "@xterm/addon-web-links": "^0.11.0",
-        "@xterm/xterm": "^5.5.0"
+        "@xterm/addon-webgl": "^0.19.0",
+        "@xterm/xterm": "^5.5.0",
+        "zmodem.js": "^0.1.10"
      },
      "devDependencies": {
        "typescript": "^5.7.0",
@@ -848,12 +850,30 @@
        "@xterm/xterm": "^5.0.0"
      }
    },
+    "node_modules/@xterm/addon-webgl": {
+      "version": "0.19.0",
+      "resolved": "https://registry.npmjs.org/@xterm/addon-webgl/-/addon-webgl-0.19.0.tgz",
+      "integrity": "sha512-b3fMOsyLVuCeNJWxolACEUED0vm7qC0cy4wRvf3oURSzDTYVQiGPhTnhWZwIHdvC48Y+oLhvYXnY4XDXPoJo6A==",
+      "license": "MIT"
+    },
    "node_modules/@xterm/xterm": {
      "version": "5.5.0",
      "resolved": "https://registry.npmjs.org/@xterm/xterm/-/xterm-5.5.0.tgz",
      "integrity": "sha512-hqJHYaQb5OptNunnyAnkHyM8aCjZ1MEIDTQu1iIbbTD/xops91NB5yq1ZK/dC2JDbVWtF23zUtl9JE2NqwT87A==",
      "license": "MIT"
    },
+    "node_modules/crc-32": {
+      "version": "1.2.2",
+      "resolved": "https://registry.npmjs.org/crc-32/-/crc-32-1.2.2.tgz",
+      "integrity": "sha512-ROmzCKrTnOwybPcJApAA6WBWij23HVfGVNKqqrZpuyZOHqK2CwHSvpGuyt/UNNvaIjEd8X5IFGp4Mh+Ie1IHJQ==",
+      "license": "Apache-2.0",
+      "bin": {
+        "crc32": "bin/crc32.njs"
+      },
+      "engines": {
+        "node": ">=0.8"
+      }
+    },
    "node_modules/esbuild": {
      "version": "0.25.12",
      "dev": true,
@@ -1155,6 +1175,15 @@
        "@rollup/rollup-win32-x64-msvc": "4.62.0",
        "fsevents": "~2.3.2"
      }
+    },
+    "node_modules/zmodem.js": {
+      "version": "0.1.10",
+      "resolved": "https://registry.npmjs.org/zmodem.js/-/zmodem.js-0.1.10.tgz",
+      "integrity": "sha512-Z1DWngunZ/j3BmIzSJpFZVNV73iHkj89rxXX4IciJdU9ga3nZ7rJ5LkfjV/QDsKhc7bazDWTTJCLJ+iRXD82dw==",
+      "license": "Apache-2.0",
+      "dependencies": {
+        "crc-32": "^1.1.1"
+      }
    }
  }
 }
@@ -8,9 +8,11 @@
    "preview": "vite preview"
  },
  "dependencies": {
-    "@xterm/xterm": "^5.5.0",
    "@xterm/addon-fit": "^0.10.0",
-    "@xterm/addon-web-links": "^0.11.0"
+    "@xterm/addon-web-links": "^0.11.0",
+    "@xterm/addon-webgl": "^0.19.0",
+    "@xterm/xterm": "^5.5.0",
+    "zmodem.js": "^0.1.10"
  },
  "devDependencies": {
    "typescript": "^5.7.0",
@@ -1,11 +1,53 @@
 import { SSHTerminal } from './terminal';

+// --- Credential encryption helpers ---
+async function deriveKey(salt: Uint8Array): Promise<CryptoKey> {
+  const raw = new TextEncoder().encode(window.location.origin + ':cloudssh');
+  const baseKey = await crypto.subtle.importKey('raw', raw, 'PBKDF2', false, ['deriveKey']);
+  return crypto.subtle.deriveKey(
+    { name: 'PBKDF2', salt: salt as any, iterations: 100000, hash: 'SHA-256' },
+    baseKey,
+    { name: 'AES-GCM', length: 256 },
+    false,
+    ['encrypt', 'decrypt']
+  );
+}
+
+async function encryptCredentials(data: object): Promise<string> {
+  const salt = crypto.getRandomValues(new Uint8Array(16));
+  const iv = crypto.getRandomValues(new Uint8Array(12));
+  const key = await deriveKey(salt);
+  const encoded = new TextEncoder().encode(JSON.stringify(data));
+  const encrypted = new Uint8Array(await crypto.subtle.encrypt({ name: 'AES-GCM', iv }, key, encoded));
+  // Format: base64(salt + iv + ciphertext)
+  const combined = new Uint8Array(salt.length + iv.length + encrypted.length);
+  combined.set(salt, 0);
+  combined.set(iv, salt.length);
+  combined.set(encrypted, salt.length + iv.length);
+  return btoa(String.fromCharCode(...combined));
+}
+
+async function decryptCredentials(stored: string): Promise<{ host: string; port: string; username: string; password: string } | null> {
+  try {
+    const raw = Uint8Array.from(atob(stored), c => c.charCodeAt(0));
+    const salt = raw.slice(0, 16);
+    const iv = raw.slice(16, 28);
+    const data = raw.slice(28);
+    const key = await deriveKey(salt);
+    const decrypted = await crypto.subtle.decrypt({ name: 'AES-GCM', iv }, key, data);
+    return JSON.parse(new TextDecoder().decode(decrypted));
+  } catch {
+    return null;
+  }
+}
+
 export class ConnectionForm {
  private terminal: SSHTerminal;

  constructor(terminal: SSHTerminal) {
    this.terminal = terminal;
    this.render();
+    this.loadSavedCredentials();
  }

  private render(): void {
@@ -37,13 +79,26 @@ export class ConnectionForm {
          </div>
        </div>
        <div>
-          <label class="block text-xs font-bold tracking-[0.1em] text-[#bbccb0] mb-2">AUTH_KEY</label>
-          <div class="flex items-center">
-            <span class="material-symbols-outlined text-[#bbccb0] mr-2" style="font-size: 16px;">key</span>
-            <input id="password" class="terminal-input text-[13px]" placeholder="••••••••" type="password" required>
+          <label class="block text-xs font-bold tracking-[0.1em] text-[#bbccb0] mb-2">AUTH_METHOD</label>
+          <div class="flex gap-2 mb-3">
+            <button type="button" id="auth-tab-password" class="auth-tab px-3 py-1 text-[11px] font-bold tracking-[0.1em] border border-[#4af626] text-[#4af626] bg-transparent cursor-pointer transition-all" style="background:#4af626;color:#0a0a0a;">PASSWORD</button>
+            <button type="button" id="auth-tab-key" class="auth-tab px-3 py-1 text-[11px] font-bold tracking-[0.1em] border border-[#3c4b36] text-[#bbccb0] bg-transparent cursor-pointer transition-all">PRIVATE_KEY</button>
+          </div>
+          <div id="auth-password-section">
+            <div class="flex items-center">
+              <span class="material-symbols-outlined text-[#bbccb0] mr-2" style="font-size: 16px;">key</span>
+              <input id="password" class="terminal-input text-[13px]" placeholder="••••••••" type="password">
+            </div>
+          </div>
+          <div id="auth-key-section" style="display:none;">
+            <textarea id="private-key" class="terminal-input text-[11px] w-full" rows="5" placeholder="-----BEGIN OPENSSH PRIVATE KEY-----&#10;...粘贴 Ed25519 私钥内容...&#10;-----END OPENSSH PRIVATE KEY-----" style="resize:vertical;border:1px solid #3c4b36;padding:8px;"></textarea>
          </div>
        </div>
-        <div class="pt-6">
+        <div class="flex items-center gap-2 mt-2">
+          <input type="checkbox" id="remember-me" class="accent-[#4af626] w-4 h-4 cursor-pointer">
+          <label for="remember-me" class="text-xs text-[#bbccb0] cursor-pointer select-none">REMEMBER_CONNECTION</label>
+        </div>
+        <div class="pt-4">
          <button id="connect-btn" class="cyber-button w-full py-3 px-4 text-xs font-bold tracking-[0.1em] uppercase flex items-center justify-center gap-2 bg-[#4af626] text-[#022100]" type="button">
            <span class="material-symbols-outlined" style="font-size: 18px;">power_settings_new</span>
            Execute_Connection
@@ -64,6 +119,60 @@ export class ConnectionForm {
    document.getElementById('connection-form')!.addEventListener('keypress', (e) => {
      if (e.key === 'Enter') this.handleConnect();
    });
+
+    // Auth method tab switching
+    document.getElementById('auth-tab-password')!.addEventListener('click', () => {
+      this.setAuthMode('password');
+    });
+    document.getElementById('auth-tab-key')!.addEventListener('click', () => {
+      this.setAuthMode('key');
+    });
+  }
+
+  private authMode: 'password' | 'key' = 'password';
+
+  private setAuthMode(mode: 'password' | 'key'): void {
+    this.authMode = mode;
+    const pwTab = document.getElementById('auth-tab-password')!;
+    const keyTab = document.getElementById('auth-tab-key')!;
+    const pwSection = document.getElementById('auth-password-section')!;
+    const keySection = document.getElementById('auth-key-section')!;
+
+    if (mode === 'password') {
+      pwTab.style.background = '#4af626'; pwTab.style.color = '#0a0a0a';
+      pwTab.style.borderColor = '#4af626';
+      keyTab.style.background = 'transparent'; keyTab.style.color = '#bbccb0';
+      keyTab.style.borderColor = '#3c4b36';
+      pwSection.style.display = ''; keySection.style.display = 'none';
+    } else {
+      keyTab.style.background = '#4af626'; keyTab.style.color = '#0a0a0a';
+      keyTab.style.borderColor = '#4af626';
+      pwTab.style.background = 'transparent'; pwTab.style.color = '#bbccb0';
+      pwTab.style.borderColor = '#3c4b36';
+      keySection.style.display = ''; pwSection.style.display = 'none';
+    }
+  }
+
+  private async loadSavedCredentials(): Promise<void> {
+    const stored = localStorage.getItem('cloudssh_cred');
+    if (!stored) return;
+    const cred = await decryptCredentials(stored);
+    if (!cred) {
+      localStorage.removeItem('cloudssh_cred');
+      return;
+    }
+    (document.getElementById('host') as HTMLInputElement).value = cred.host || '';
+    (document.getElementById('port') as HTMLInputElement).value = cred.port || '22';
+    (document.getElementById('username') as HTMLInputElement).value = cred.username || '';
+    (document.getElementById('password') as HTMLInputElement).value = cred.password || '';
+    (document.getElementById('private-key') as HTMLTextAreaElement).value = (cred as any).privateKey || '';
+    (document.getElementById('remember-me') as HTMLInputElement).checked = true;
+    
+    if ((cred as any).authMethod === 'key') {
+      this.setAuthMode('key');
+    } else {
+      this.setAuthMode('password');
+    }
  }

  private async handleConnect(): Promise<void> {
@@ -73,12 +182,32 @@ export class ConnectionForm {
    );
    const username = (document.getElementById('username') as HTMLInputElement).value;
    const password = (document.getElementById('password') as HTMLInputElement).value;
+    const privateKey = (document.getElementById('private-key') as HTMLTextAreaElement).value;
+    const remember = (document.getElementById('remember-me') as HTMLInputElement).checked;

-    if (!host || !username || !password) {
-      alert('请填写所有必填字段');
+    if (!host || !username) {
+      alert('请填写主机名和用户名');
      return;
    }

+    if (this.authMode === 'password' && !password) {
+      alert('请输入密码');
+      return;
+    }
+
+    if (this.authMode === 'key' && !privateKey) {
+      alert('请粘贴私钥内容');
+      return;
+    }
+
+    // Save or clear credentials
+    if (remember) {
+      const encrypted = await encryptCredentials({ host, port: port.toString(), username, password, privateKey, authMethod: this.authMode === 'key' ? 'publickey' : 'password' });
+      localStorage.setItem('cloudssh_cred', encrypted);
+    } else {
+      localStorage.removeItem('cloudssh_cred');
+    }
+
    const authSection = document.getElementById('auth-section')!;
    const termSection = document.getElementById('terminal-section')!;

@@ -93,7 +222,7 @@ export class ConnectionForm {
    this.terminal.mount();

    try {
-      await this.terminal.connect({ host, port, username, password });
+      await this.terminal.connect({ host, port, username, password, authMethod: this.authMode === 'key' ? 'publickey' : 'password', privateKey });
    } catch (error) {
      termSection.classList.add('hidden');
      termSection.classList.remove('flex');
@@ -102,3 +231,4 @@ export class ConnectionForm {
    }
  }
 }
+
@@ -13,6 +13,11 @@ document.getElementById('disconnect-btn')?.addEventListener('click', () => {
  document.getElementById('status-text')!.innerHTML = '<span class="w-2 h-2 bg-[#353534] inline-block"></span> STATUS: OFFLINE';
 });

+document.getElementById('theme-selector')?.addEventListener('change', (e) => {
+  const theme = (e.target as HTMLSelectElement).value as any;
+  terminal.setTheme(theme);
+});
+
 // Set current year for copyright
 const copyrightYearSpan = document.getElementById('copyright-year');
 if (copyrightYearSpan) {
@@ -1,20 +1,54 @@
 import { Terminal } from '@xterm/xterm';
 import { FitAddon } from '@xterm/addon-fit';
 import { WebLinksAddon } from '@xterm/addon-web-links';
+import { WebglAddon } from '@xterm/addon-webgl';
+import { ZmodemHandler } from './zmodem-handler';
 import '@xterm/xterm/css/xterm.css';

 export interface SSHConnectionConfig {
  host: string;
  port: number;
  username: string;
-  password: string;
+  password?: string;
+  authMethod?: 'password' | 'publickey';
+  privateKey?: string;
 }

+export const THEMES = {
+  cyberpunk: {
+    background: '#0a0a0a',
+    foreground: '#4af626',
+    cursor: '#14d1ff',
+    cursorAccent: '#0a0a0a',
+    selectionBackground: '#273747',
+  },
+  glacier: {
+    background: '#0a192f',
+    foreground: '#64ffda',
+    cursor: '#e6f1ff',
+    cursorAccent: '#0a192f',
+    selectionBackground: '#112240',
+  },
+  gruvbox: {
+    background: '#282828',
+    foreground: '#ebdbb2',
+    cursor: '#d3869b',
+    cursorAccent: '#282828',
+    selectionBackground: '#504945',
+  }
+};
+
 export class SSHTerminal {
  private terminal: Terminal;
  private fitAddon: FitAddon;
+  private webglAddon!: WebglAddon;
  private ws: WebSocket | null = null;
  private container: HTMLElement;
+  private config: SSHConnectionConfig | null = null;
+  private roamId: string | null = null;
+  private reconnecting: boolean = false;
+  private reconnectAttempts: number = 0;
+  private maxReconnectAttempts: number = 5;

  constructor(containerId: string) {
    this.container = document.getElementById(containerId)!;
@@ -24,29 +58,7 @@ export class SSHTerminal {
      cursorStyle: 'block',
      fontSize: 14,
      fontFamily: '"JetBrains Mono", "Fira Code", "Cascadia Code", monospace',
-      theme: {
-        background: '#0a0a0a',
-        foreground: '#4af626',
-        cursor: '#14d1ff',
-        cursorAccent: '#0a0a0a',
-        selectionBackground: '#273747',
-        black: '#01060e',
-        red: '#ea6c73',
-        green: '#91b362',
-        yellow: '#f9af4f',
-        blue: '#53bdfa',
-        magenta: '#fae994',
-        cyan: '#90e1c6',
-        white: '#c7c7c7',
-        brightBlack: '#686868',
-        brightRed: '#f07178',
-        brightGreen: '#c2d94c',
-        brightYellow: '#ffb454',
-        brightBlue: '#59c2ff',
-        brightMagenta: '#ffee99',
-        brightCyan: '#95e6cb',
-        brightWhite: '#ffffff',
-      },
+      theme: THEMES.cyberpunk,
      allowProposedApi: true,
      scrollback: 10000,
    });
@@ -56,50 +68,143 @@ export class SSHTerminal {
    this.terminal.loadAddon(new WebLinksAddon());

    window.addEventListener('resize', () => this.fit());
+
+    // Right-click paste support
+    this.container.addEventListener('contextmenu', async (e) => {
+      e.preventDefault();
+      try {
+        const text = await navigator.clipboard.readText();
+        if (text && this.ws?.readyState === WebSocket.OPEN) {
+          this.ws.send(text);
+        }
+      } catch (err) {
+        console.error('Failed to read clipboard', err);
+      }
+    });
+  }
+
+  setTheme(themeName: keyof typeof THEMES): void {
+    this.terminal.options.theme = THEMES[themeName];
  }

  mount(): void {
    this.terminal.open(this.container);
+    
+    // Load WebGL addon after terminal is opened
+    try {
+      this.webglAddon = new WebglAddon();
+      this.webglAddon.onContextLoss(e => {
+        console.warn('WebGL context lost', e);
+        this.webglAddon.dispose();
+      });
+      this.terminal.loadAddon(this.webglAddon);
+    } catch (e) {
+      console.warn('WebGL addon failed to load, falling back to canvas/dom', e);
+    }
+
    this.fit();

    this.terminal.writeln('\x1b[1;33m╔══════════════════════════════════╗\x1b[0m');
-    this.terminal.writeln('\x1b[1;33m║     CloudSSH Web Terminal        ║\x1b[0m');
-    this.terminal.writeln('\x1b[1;33m║     Powered by Cloudflare        ║\x1b[0m');
+    this.terminal.writeln('\x1b[1;33m║      Connecting to CloudSSH      ║\x1b[0m');
    this.terminal.writeln('\x1b[1;33m╚══════════════════════════════════╝\x1b[0m');
    this.terminal.writeln('');
  }

-  async connect(config: SSHConnectionConfig): Promise<void> {
-    this.terminal.writeln(
-      `\x1b[1;33m[*] Connecting to ${config.username}@${config.host}:${config.port}...\x1b[0m`
-    );
+  private attemptReconnect(): void {
+    if (this.reconnectAttempts >= this.maxReconnectAttempts || !this.roamId || !this.config) {
+      this.terminal.writeln('\x1b[31m[!] 连接已断开，无法恢复。\x1b[0m');
+      document.getElementById('status-text')!.innerHTML = '<span class="w-2 h-2 bg-[#ea6c73] inline-block"></span> STATUS: DISCONNECTED';
+      return;
+    }

-    const proto = window.location.protocol === 'https:' ? 'wss:' : 'ws:';
-    const wsUrl = `${proto}//${window.location.host}/api/ssh`;
+    this.reconnecting = true;
+    this.reconnectAttempts++;
+    this.terminal.writeln(`\x1b[33m[*] 正在尝试恢复连接 (${this.reconnectAttempts}/${this.maxReconnectAttempts})...\x1b[0m`);
+    
+    // Slight delay before reconnecting
+    setTimeout(() => {
+      this.connect(this.config!, this.roamId!);
+    }, 2000);
+  }
+
+  async connect(config: SSHConnectionConfig, withRoamId?: string): Promise<void> {
+    if (!withRoamId) {
+      this.config = config;
+      this.reconnectAttempts = 0;
+      this.roamId = null;
+    }
+
+    const wsUrl = new URL(window.location.href);
+    wsUrl.protocol = wsUrl.protocol === 'https:' ? 'wss:' : 'ws:';
+    wsUrl.pathname = '/api/ssh';

    return new Promise((resolve, reject) => {
-      this.ws = new WebSocket(wsUrl);
+      this.ws = new WebSocket(wsUrl.toString());

      this.ws.onopen = () => {
-        this.terminal.writeln('\x1b[32m[+] WebSocket connected, sending credentials...\x1b[0m');
-        this.ws?.send(
-          JSON.stringify({
-            host: config.host,
-            port: config.port,
-            username: config.username,
-            password: config.password,
-          })
-        );
+        if (!withRoamId) {
+          this.terminal.writeln('\x1b[32m[+] WebSocket connected, sending credentials...\x1b[0m');
+        }
+        
+        const payload = withRoamId 
+          ? { roamId: withRoamId }
+          : {
+              host: config.host,
+              port: config.port,
+              username: config.username,
+              password: config.password,
+              authMethod: config.authMethod,
+              privateKey: config.privateKey,
+            };
+            
+        this.ws?.send(JSON.stringify(payload));
+        
+        if (withRoamId) {
+          this.reconnectAttempts = 0;
+          this.reconnecting = false;
+        }
+        
        resolve();
      };

+        this.ws.onerror = () => {
+        if (!this.reconnecting) {
+          reject(new Error('WebSocket connection failed'));
+        }
+      };
+
+      this.ws.onclose = () => {
+        if (!this.reconnecting && this.roamId) {
+          this.attemptReconnect();
+        } else if (!this.reconnecting) {
+          this.terminal.writeln('\x1b[31m[-] 连接已关闭\x1b[0m');
+          document.getElementById('status-text')!.innerHTML = '<span class="w-2 h-2 bg-[#353534] inline-block"></span> STATUS: OFFLINE';
+        }
+      };
+
+      // Zmodem support
+      const zmodemHandler = new ZmodemHandler(
+        (data) => this.terminal.write(data),
+        (data) => {
+          if (this.ws?.readyState === WebSocket.OPEN) {
+            this.ws.send(data);
+          }
+        }
+      );
+
      this.ws.onmessage = (event) => {
        if (typeof event.data === 'string') {
          try {
            const msg = JSON.parse(event.data);
            switch (msg.type) {
+              case 'roamId':
+                this.roamId = msg.roamId;
+                break;
              case 'status':
                this.terminal.writeln(`\x1b[32m[*] ${msg.message}\x1b[0m`);
+                if (msg.message === '认证成功' || msg.message === '会话已恢复') {
+                  document.getElementById('status-text')!.innerHTML = '<span class="w-2 h-2 bg-[#4af626] inline-block animate-pulse"></span> STATUS: ONLINE';
+                }
                break;
              case 'error':
                this.terminal.writeln(`\x1b[31m[!] ${msg.message}\x1b[0m`);
@@ -111,7 +216,7 @@ export class SSHTerminal {
        } else {
          const reader = new FileReader();
          reader.onload = () => {
-            this.terminal.write(new Uint8Array(reader.result as ArrayBuffer));
+            zmodemHandler.consume(reader.result as ArrayBuffer);
          };
          reader.readAsArrayBuffer(event.data);
        }
@@ -0,0 +1,102 @@
+// @ts-ignore
+import * as Zmodem from 'zmodem.js/src/zmodem_browser';
+
+export class ZmodemHandler {
+  private sentry: any;
+  private session: any | null = null;
+  private onTerminalWrite: (data: Uint8Array) => void;
+  private onWsSend: (data: Uint8Array) => void;
+
+  constructor(
+    onTerminalWrite: (data: Uint8Array) => void,
+    onWsSend: (data: Uint8Array) => void
+  ) {
+    this.onTerminalWrite = onTerminalWrite;
+    this.onWsSend = onWsSend;
+    this.init();
+  }
+
+  private init() {
+    this.sentry = new Zmodem.Sentry({
+      to_terminal: (octets: Array<number>) => {
+        this.onTerminalWrite(new Uint8Array(octets));
+      },
+      sender: (octets: Array<number>) => {
+        this.onWsSend(new Uint8Array(octets));
+      },
+      on_detect: (detection: any) => {
+        const zsession = detection.confirm();
+        this.session = zsession;
+        
+        if (zsession.type === 'receive') {
+          this.handleReceive(zsession);
+        } else {
+          this.handleSend(zsession);
+        }
+      },
+      on_retract: () => {
+        this.session = null;
+      }
+    });
+  }
+
+  public consume(data: ArrayBuffer) {
+    this.sentry.consume(data);
+  }
+
+  private handleReceive(zsession: any) {
+    zsession.on('offer', (xfer: any) => {
+      const name = xfer.get_details().name;
+      const size = xfer.get_details().size;
+      
+      const accept = confirm("接受来自服务器的文件下载?\n" + name + " (" + size + " bytes)");
+      if (!accept) {
+        xfer.skip();
+        return;
+      }
+
+      const packets: Array<Uint8Array> = [];
+      xfer.on('input', (payload: Uint8Array) => {
+        packets.push(payload);
+      });
+
+      xfer.accept().then(() => {
+        Zmodem.Browser.save_to_disk(packets, name);
+      });
+    });
+
+    zsession.start();
+  }
+
+  private handleSend(zsession: any) {
+    const input = document.createElement('input');
+    input.type = 'file';
+    input.multiple = true;
+    input.style.display = 'none';
+
+    input.onchange = (e) => {
+      const files = (e.target as HTMLInputElement).files;
+      if (files && files.length > 0) {
+        Zmodem.Browser.send_files(zsession, files, {
+          on_offer_response: (file: any, xfer: any) => {
+            if (!xfer) console.warn('Server rejected file:', file.name);
+          },
+          on_progress: (file: any, xfer: any, chunk: any) => {
+            // Can implement progress bar here
+          },
+          on_file_complete: (file: any) => {
+            console.log('Finished uploading:', file.name);
+          }
+        }).then(() => {
+          zsession.close();
+        });
+      } else {
+        zsession.close();
+      }
+    };
+
+    document.body.appendChild(input);
+    input.click();
+    document.body.removeChild(input);
+  }
+}
@@ -18,6 +18,137 @@ export class SSHAuth {
    return concat(...parts);
  }

+  /**
+   * Build a public key auth request for Ed25519 keys (RFC 4252 §7).
+   * The signature covers: session_id_string || SSH_MSG_USERAUTH_REQUEST || user || service || "publickey" || TRUE || "ssh-ed25519" || pubkey_blob
+   */
+  static async buildPublicKeyAuthRequest(
+    username: string,
+    privateKeyPEM: string,
+    sessionID: Uint8Array
+  ): Promise<Uint8Array> {
+    const { signingKey, publicKeyBlob } = await this.parseEd25519PrivateKey(privateKeyPEM);
+
+    // Build the request body (without signature first)
+    const requestBody = concat(
+      new Uint8Array([SSH_MSG_USERAUTH_REQUEST]),
+      encodeString(username),
+      encodeString('ssh-connection'),
+      encodeString('publickey'),
+      new Uint8Array([0x01]), // TRUE = has signature
+      encodeString('ssh-ed25519'),
+      encodeString(publicKeyBlob),
+    );
+
+    // Data to sign: session_id_string || request_body
+    const dataToSign = concat(encodeString(sessionID), requestBody);
+
+    // Sign with Ed25519
+    const rawSignature = new Uint8Array(await crypto.subtle.sign('Ed25519', signingKey, dataToSign));
+
+    // SSH signature blob: string "ssh-ed25519" || string signature
+    const signatureBlob = concat(
+      encodeString('ssh-ed25519'),
+      encodeString(rawSignature),
+    );
+
+    // Full auth packet: requestBody || string signature_blob
+    return concat(requestBody, encodeString(signatureBlob));
+  }
+
+  /**
+   * Parse an OpenSSH Ed25519 PEM private key.
+   * Supports OPENSSH PRIVATE KEY format.
+   */
+  private static async parseEd25519PrivateKey(pem: string): Promise<{ signingKey: CryptoKey; publicKeyBlob: Uint8Array }> {
+    const lines = pem.trim().split('\n');
+    const b64 = lines.filter(l => !l.startsWith('-----')).join('');
+    const raw = Uint8Array.from(atob(b64), c => c.charCodeAt(0));
+
+    // Parse OpenSSH format: "openssh-key-v1\0" magic
+    const magic = 'openssh-key-v1\0';
+    const magicBytes = new TextEncoder().encode(magic);
+    for (let i = 0; i < magicBytes.length; i++) {
+      if (raw[i] !== magicBytes[i]) {
+        throw new Error('不支持的私钥格式，仅支持 OpenSSH Ed25519 密钥');
+      }
+    }
+    let offset = magicBytes.length;
+
+    // ciphername
+    const cipherLen = readUint32(raw, offset); offset += 4;
+    const cipher = new TextDecoder().decode(raw.slice(offset, offset + cipherLen)); offset += cipherLen;
+    if (cipher !== 'none') throw new Error('不支持加密的私钥，请使用 ssh-keygen -p 移除密码');
+
+    // kdfname
+    const kdfLen = readUint32(raw, offset); offset += 4; offset += kdfLen;
+    // kdfoptions
+    const kdfOptLen = readUint32(raw, offset); offset += 4; offset += kdfOptLen;
+    // number of keys
+    const numKeys = readUint32(raw, offset); offset += 4;
+    if (numKeys !== 1) throw new Error('仅支持单密钥文件');
+
+    // public key section
+    const pubSecLen = readUint32(raw, offset); offset += 4; offset += pubSecLen;
+
+    // private key section
+    const privSecLen = readUint32(raw, offset); offset += 4;
+    const privSection = raw.slice(offset, offset + privSecLen);
+
+    // Parse private section: checkint1, checkint2, keytype, pubkey, privkey, comment
+    let po = 0;
+    po += 4; // checkint1
+    po += 4; // checkint2
+
+    // key type
+    const ktLen = readUint32(privSection, po); po += 4;
+    const keyType = new TextDecoder().decode(privSection.slice(po, po + ktLen)); po += ktLen;
+    if (keyType !== 'ssh-ed25519') throw new Error(`不支持的密钥类型: ${keyType}，仅支持 ssh-ed25519`);
+
+    // public key (32 bytes)
+    const pubKeyLen = readUint32(privSection, po); po += 4;
+    const pubKeyRaw = privSection.slice(po, po + pubKeyLen); po += pubKeyLen;
+
+    // private key (64 bytes = 32 bytes seed + 32 bytes pubkey)
+    const privKeyLen = readUint32(privSection, po); po += 4;
+    const privKeyRaw = privSection.slice(po, po + privKeyLen);
+    // Ed25519 seed is first 32 bytes
+    const seed = privKeyRaw.slice(0, 32);
+
+    // Import as PKCS8 for Web Crypto (build PKCS8 wrapper for Ed25519 seed)
+    const pkcs8 = this.buildEd25519PKCS8(seed);
+    const signingKey = await crypto.subtle.importKey(
+      'pkcs8', pkcs8, { name: 'Ed25519' }, false, ['sign']
+    );
+
+    // Build SSH public key blob: string "ssh-ed25519" || string pubkey
+    const publicKeyBlob = concat(
+      encodeString('ssh-ed25519'),
+      encodeString(pubKeyRaw),
+    );
+
+    return { signingKey, publicKeyBlob };
+  }
+
+  /**
+   * Wrap a 32-byte Ed25519 seed into PKCS8 DER format for Web Crypto import.
+   */
+  private static buildEd25519PKCS8(seed: Uint8Array): Uint8Array {
+    // PKCS8 structure for Ed25519:
+    // SEQUENCE {
+    //   INTEGER 0 (version)
+    //   SEQUENCE { OID 1.3.101.112 (Ed25519) }
+    //   OCTET STRING { OCTET STRING { seed } }
+    // }
+    const oid = new Uint8Array([0x06, 0x03, 0x2b, 0x65, 0x70]); // OID 1.3.101.112
+    const seedOctet = new Uint8Array([0x04, seed.length, ...seed]);
+    const innerOctet = new Uint8Array([0x04, seedOctet.length, ...seedOctet]);
+    const algoSeq = new Uint8Array([0x30, oid.length, ...oid]);
+    const version = new Uint8Array([0x02, 0x01, 0x00]);
+    const totalLen = version.length + algoSeq.length + innerOctet.length;
+    return new Uint8Array([0x30, totalLen, ...version, ...algoSeq, ...innerOctet]);
+  }
+
  static handleResponse(payload: Uint8Array): AuthResult {
    const msgType = payload[0];

@@ -44,6 +44,8 @@ export interface SSHConnectionConfig {
  port: number;
  username: string;
  password: string;
+  authMethod?: 'password' | 'publickey';
+  privateKey?: string;
 }

 export interface Env {
@@ -1,10 +1,45 @@
 import { Env, SSHConnectionConfig } from '../types';
 import { SSHSession } from './ssh-session';

+/**
+ * SSRF 防护：检测目标主机是否为内网、保留或特殊地址。
+ * 覆盖 IPv4 私有段、IPv6 回环/链路本地/私有段、IPv4-mapped IPv6 等。
+ */
+function isBlockedHost(host: string): boolean {
+  const h = host.toLowerCase().trim();
+
+  // 特殊主机名
+  if (h === 'localhost' || h === 'ip6-localhost' || h === 'ip6-loopback') return true;
+
+  // IPv4 私有 / 保留地址
+  if (/^(127\.|10\.|0\.|192\.168\.|169\.254\.)/.test(h)) return true;
+  if (/^172\.(1[6-9]|2[0-9]|3[0-1])\./.test(h)) return true;
+
+  // 移除 IPv6 方括号 (e.g. [::1])
+  const v6 = h.replace(/^\[|\]$/g, '');
+
+  // IPv6 回环
+  if (v6 === '::1' || v6 === '0:0:0:0:0:0:0:1') return true;
+  // IPv6 未指定地址
+  if (v6 === '::' || v6 === '0:0:0:0:0:0:0:0') return true;
+  // IPv6 链路本地 (fe80::/10)
+  if (/^fe[89ab]/i.test(v6)) return true;
+  // IPv6 唯一本地 (fc00::/7)
+  if (/^f[cd]/i.test(v6)) return true;
+  // IPv4-mapped IPv6 (::ffff:127.0.0.1 等)
+  const v4mapped = v6.match(/^::ffff:(\d+\.\d+\.\d+\.\d+)$/i);
+  if (v4mapped) return isBlockedHost(v4mapped[1]);
+
+  return false;
+}
+
 export class SSHSessionDO {
  private state: DurableObjectState;
  private env: Env;
  private sessions: Map<WebSocket, SSHSession> = new Map();
+  private activeSessionsByRoamId: Map<string, SSHSession> = new Map();
+  private roamTimeouts: Map<string, ReturnType<typeof setTimeout>> = new Map();
+  private _pendingTimeouts: Map<WebSocket, ReturnType<typeof setTimeout>> = new Map();

  constructor(state: DurableObjectState, env: Env) {
    this.state = state;
@@ -42,27 +77,15 @@ export class SSHSessionDO {
    } as any);
  }

-  private _pendingTimeouts: Map<WebSocket, ReturnType<typeof setTimeout>> = new Map();
-
-  // Hibernation API: called when a WebSocket message is received
+  // Hibernation API: called when a WebSocket receives a message
  async webSocketMessage(ws: WebSocket, message: string | ArrayBuffer): Promise<void> {
    const session = this.sessions.get(ws);
-
    if (session) {
-      // Session already established, forward input
-      try {
-        if (typeof message === 'string') {
-          await session.handleWebSocketMessage(message);
-        } else {
-          await session.handleWebSocketMessage(message);
-        }
-      } catch (e) {
-        console.error('[WS] Input error:', e instanceof Error ? e.message : String(e));
-      }
+      await session.handleWebSocketMessage(message);
      return;
    }

-    // No session yet — this should be the credentials message
+    // This is the first message (credentials or roam reconnect)
    const timeout = this._pendingTimeouts.get(ws);
    if (timeout) {
      clearTimeout(timeout);
@@ -70,15 +93,31 @@ export class SSHSessionDO {
    }

    try {
-      const config = JSON.parse(message as string) as SSHConnectionConfig;
+      const config = JSON.parse(message as string);

-      if (!config.host || !config.username || !config.password) {
+      if (config.roamId) {
+        // Attempt to resume session
+        const existingSession = this.activeSessionsByRoamId.get(config.roamId);
+        if (existingSession) {
+          const roamTimeout = this.roamTimeouts.get(config.roamId);
+          if (roamTimeout) {
+            clearTimeout(roamTimeout);
+            this.roamTimeouts.delete(config.roamId);
+          }
+          this.sessions.set(ws, existingSession);
+          existingSession.updateWebSocket(ws);
+          return;
+        }
+        // If roam session not found, fall back to new connection if config provided
+      }
+
+      if (!config.host || !config.username || (!config.password && !config.privateKey)) {
        ws.send(JSON.stringify({ type: 'error', message: 'Missing credentials' }));
        ws.close(1011, 'Invalid credentials');
        return;
      }

-      await this.initSSHSession(ws, config);
+      await this.initSSHSession(ws, config as SSHConnectionConfig);
    } catch (e) {
      ws.send(JSON.stringify({ type: 'error', message: 'Invalid credentials format' }));
      ws.close(1011, 'Invalid format');
@@ -89,8 +128,15 @@ export class SSHSessionDO {
  async webSocketClose(ws: WebSocket, code: number, reason: string, wasClean: boolean): Promise<void> {
    const session = this.sessions.get(ws);
    if (session) {
-      session.close();
      this.sessions.delete(ws);
+      // Wait 15s for roam reconnect before closing session
+      const roamId = session.roamId;
+      const timeout = setTimeout(() => {
+        session.close();
+        this.activeSessionsByRoamId.delete(roamId);
+        this.roamTimeouts.delete(roamId);
+      }, 15000);
+      this.roamTimeouts.set(roamId, timeout);
    }
    const timeout = this._pendingTimeouts.get(ws);
    if (timeout) {
@@ -101,11 +147,7 @@ export class SSHSessionDO {

  // Hibernation API: called when a WebSocket error occurs
  async webSocketError(ws: WebSocket, error: unknown): Promise<void> {
-    const session = this.sessions.get(ws);
-    if (session) {
-      session.close();
-      this.sessions.delete(ws);
-    }
+    await this.webSocketClose(ws, 1011, 'Error', false);
  }

  private async initSSHSession(
@@ -113,16 +155,15 @@ export class SSHSessionDO {
    config: SSHConnectionConfig
  ): Promise<void> {
    try {
+      // --- SSRF Protection ---
+      if (isBlockedHost(config.host)) {
+        throw new Error('禁止连接内网或保留地址 (SSRF 防护)');
+      }
      const BLOCKED_PORTS = [80, 443, 25, 465, 587, 3306, 6379, 27017, 11211];
      if (BLOCKED_PORTS.includes(config.port)) {
        throw new Error(`端口 ${config.port} 存在安全风险，已被禁止连接`);
      }

-      const isPrivateIP = /^(127\.|10\.|172\.(1[6-9]|2[0-9]|3[0-1])\.|192\.168\.)/.test(config.host);
-      const isLocalhost = config.host.toLowerCase() === 'localhost';
-      if (isPrivateIP || isLocalhost) {
-        throw new Error('禁止连接内网或本地回环地址 (SSRF 防护)');
-      }
      const { connect } = await import('cloudflare:sockets');
      const socket = connect({ hostname: config.host, port: config.port });

@@ -130,6 +171,7 @@ export class SSHSessionDO {

      const session = new SSHSession(ws, socket, config);
      this.sessions.set(ws, session);
+      this.activeSessionsByRoamId.set(session.roamId, session);

      await session.startHandshake();

@@ -39,15 +39,90 @@ export const HTML = `<!DOCTYPE html>
    }
  }
  </script>
-  <script type="module">var De=Object.defineProperty;var xe=(Q,K,J)=>K in Q?De(Q,K,{enumerable:!0,configurable:!0,writable:!0,value:J}):Q[K]=J;var ne=(Q,K,J)=>xe(Q,typeof K!="symbol"?K+"":K,J);(function(){const K=document.createElement("link").relList;if(K&&K.supports&&K.supports("modulepreload"))return;for(const j of document.querySelectorAll('link[rel="modulepreload"]'))G(j);new MutationObserver(j=>{for(const V of j)if(V.type==="childList")for(const A of V.addedNodes)A.tagName==="LINK"&&A.rel==="modulepreload"&&G(A)}).observe(document,{childList:!0,subtree:!0});function J(j){const V={};return j.integrity&&(V.integrity=j.integrity),j.referrerPolicy&&(V.referrerPolicy=j.referrerPolicy),j.crossOrigin==="use-credentials"?V.credentials="include":j.crossOrigin==="anonymous"?V.credentials="omit":V.credentials="same-origin",V}function G(j){if(j.ep)return;j.ep=!0;const V=J(j);fetch(j.href,V)}})();var pe={exports:{}},Se;function Re(){return Se||(Se=1,(function(Q,K){(function(J,G){Q.exports=G()})(globalThis,(()=>(()=>{var J={4567:function(A,r,o){var l=this&&this.__decorate||function(e,t,a,f){var v,p=arguments.length,c=p<3?t:f===null?f=Object.getOwnPropertyDescriptor(t,a):f;if(typeof Reflect=="object"&&typeof Reflect.decorate=="function")c=Reflect.decorate(e,t,a,f);else for(var m=e.length-1;m>=0;m--)(v=e[m])&&(c=(p<3?v(c):p>3?v(t,a,c):v(t,a))||c);return p>3&&c&&Object.defineProperty(t,a,c),c},u=this&&this.__param||function(e,t){return function(a,f){t(a,f,e)}};Object.defineProperty(r,"__esModule",{value:!0}),r.AccessibilityManager=void 0;const n=o(9042),d=o(9924),_=o(844),g=o(4725),h=o(2585),i=o(3656);let s=r.AccessibilityManager=class extends _.Disposable{constructor(e,t,a,f){super(),this._terminal=e,this._coreBrowserService=a,this._renderService=f,this._rowColumns=new WeakMap,this._liveRegionLineCount=0,this._charsToConsume=[],this._charsToAnnounce="",this._accessibilityContainer=this._coreBrowserService.mainDocument.createElement("div"),this._accessibilityContainer.classList.add("xterm-accessibility"),this._rowContainer=this._coreBrowserService.mainDocument.createElement("div"),this._rowContainer.setAttribute("role","list"),this._rowContainer.classList.add("xterm-accessibility-tree"),this._rowElements=[];for(let v=0;v<this._terminal.rows;v++)this._rowElements[v]=this._createAccessibilityTreeNode(),this._rowContainer.appendChild(this._rowElements[v]);if(this._topBoundaryFocusListener=v=>this._handleBoundaryFocus(v,0),this._bottomBoundaryFocusListener=v=>this._handleBoundaryFocus(v,1),this._rowElements[0].addEventListener("focus",this._topBoundaryFocusListener),this._rowElements[this._rowElements.length-1].addEventListener("focus",this._bottomBoundaryFocusListener),this._refreshRowsDimensions(),this._accessibilityContainer.appendChild(this._rowContainer),this._liveRegion=this._coreBrowserService.mainDocument.createElement("div"),this._liveRegion.classList.add("live-region"),this._liveRegion.setAttribute("aria-live","assertive"),this._accessibilityContainer.appendChild(this._liveRegion),this._liveRegionDebouncer=this.register(new d.TimeBasedDebouncer(this._renderRows.bind(this))),!this._terminal.element)throw new Error("Cannot enable accessibility before Terminal.open");this._terminal.element.insertAdjacentElement("afterbegin",this._accessibilityContainer),this.register(this._terminal.onResize((v=>this._handleResize(v.rows)))),this.register(this._terminal.onRender((v=>this._refreshRows(v.start,v.end)))),this.register(this._terminal.onScroll((()=>this._refreshRows()))),this.register(this._terminal.onA11yChar((v=>this._handleChar(v)))),this.register(this._terminal.onLineFeed((()=>this._handleChar(\`
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w.EventEmitter),this.onRender=this._onRender.event,this._onSelectionChange=this.register(new w.EventEmitter),this.onSelectionChange=this._onSelectionChange.event,this._onTitleChange=this.register(new w.EventEmitter),this.onTitleChange=this._onTitleChange.event,this._onBell=this.register(new w.EventEmitter),this.onBell=this._onBell.event,this._onFocus=this.register(new w.EventEmitter),this._onBlur=this.register(new w.EventEmitter),this._onA11yCharEmitter=this.register(new w.EventEmitter),this._onA11yTabEmitter=this.register(new w.EventEmitter),this._onWillOpen=this.register(new w.EventEmitter),this._setup(),this._decorationService=this._instantiationService.createInstance(b.DecorationService),this._instantiationService.setService(E.IDecorationService,this._decorationService),this._linkProviderService=this._instantiationService.createInstance(H.LinkProviderService),this._instantiationService.setService(m.ILinkProviderService,this._linkProviderService),this._linkProviderService.registerLinkProvider(this._instantiationService.createInstance(_.OscLinkProvider)),this.register(this._inputHandler.onRequestBell((()=>this._onBell.fire()))),this.register(this._inputHandler.onRequestRefreshRows(((C,O)=>this.refresh(C,O)))),this.register(this._inputHandler.onRequestSendFocus((()=>this._reportFocus()))),this.register(this._inputHandler.onRequestReset((()=>this.reset()))),this.register(this._inputHandler.onRequestWindowsOptionsReport((C=>this._reportWindowsOptions(C)))),this.register(this._inputHandler.onColor((C=>this._handleColorEvent(C)))),this.register((0,w.forwardEvent)(this._inputHandler.onCursorMove,this._onCursorMove)),this.register((0,w.forwardEvent)(this._inputHandler.onTitleChange,this._onTitleChange)),this.register((0,w.forwardEvent)(this._inputHandler.onA11yChar,this._onA11yCharEmitter)),this.register((0,w.forwardEvent)(this._inputHandler.onA11yTab,this._onA11yTabEmitter)),this.register(this._bufferService.onResize((C=>this._afterResize(C.cols,C.rows)))),this.register((0,R.toDisposable)((()=>{var C,O;this._customKeyEventHandler=void 0,(O=(C=this.element)==null?void 0:C.parentNode)==null||O.removeChild(this.element)})))}_handleColorEvent(x){if(this._themeService)for(const C of x){let O,B="";switch(C.index){case 256:O="foreground",B="10";break;case 257:O="background",B="11";
Line truncated
+WARNING: This link could potentially be dangerous\`)){const o=window.open();if(o){try{o.opener=null}catch{}o.location.href=t}else console.warn("Opening link blocked as opener could not be cleared")}}i.OscLinkProvider=v=l([_(0,d.IBufferService),_(1,d.IOptionsService),_(2,d.IOscLinkService)],v)},6193:(b,i)=>{Object.defineProperty(i,"__esModule",{value:!0}),i.RenderDebouncer=void 0,i.RenderDebouncer=class{constructor(a,l){this._renderCallback=a,this._coreBrowserService=l,this._refreshCallbacks=[]}dispose(){this._animationFrame&&(this._coreBrowserService.window.cancelAnimationFrame(this._animationFrame),this._animationFrame=void 0)}addRefreshCallback(a){return this._refreshCallbacks.push(a),this._animationFrame||(this._animationFrame=this._coreBrowserService.window.requestAnimationFrame((()=>this._innerRefresh()))),this._animationFrame}refresh(a,l,_){this._rowCount=_,a=a!==void 0?a:0,l=l!==void 0?l:this._rowCount-1,this._rowStart=this._rowStart!==void 0?Math.min(this._rowStart,a):a,this._rowEnd=this._rowEnd!==void 0?Math.max(this._rowEnd,l):l,this._animationFrame||(this._animationFrame=this._coreBrowserService.window.requestAnimationFrame((()=>this._innerRefresh())))}_innerRefresh(){if(this._animationFrame=void 0,this._rowStart===void 0||this._rowEnd===void 0||this._rowCount===void 0)return void this._runRefreshCallbacks();const a=Math.max(this._rowStart,0),l=Math.min(this._rowEnd,this._rowCount-1);this._rowStart=void 0,this._rowEnd=void 0,this._renderCallback(a,l),this._runRefreshCallbacks()}_runRefreshCallbacks(){for(const a of this._refreshCallbacks)a(0);this._refreshCallbacks=[]}}},3236:(b,i,a)=>{Object.defineProperty(i,"__esModule",{value:!0}),i.Terminal=void 0;const l=a(3614),_=a(3656),h=a(3551),d=a(9042),v=a(3730),C=a(1680),f=a(3107),t=a(5744),o=a(2950),s=a(1296),n=a(428),c=a(4269),g=a(5114),S=a(8934),w=a(3230),u=a(9312),L=a(4725),M=a(6731),T=a(8055),D=a(8969),k=a(8460),O=a(844),F=a(6114),U=a(8437),$=a(2584),W=a(7399),y=a(5941),A=a(9074),B=a(2585),P=a(5435),z=a(4567),q=a(779);class K extends D.CoreTerminal{get onFocus(){return this._onFocus.event}get onBlur(){return this._onBlur.event}get onA11yChar(){return this._onA11yCharEmitter.event}get onA11yTab(){return this._onA11yTabEmitter.event}get onWillOpen(){return this._onWillOpen.event}constructor(I={}){super(I),this.browser=F,this._keyDownHandled=!1,this._keyDownSeen=!1,this._keyPressHandled=!1,this._unprocessedDeadKey=!1,this._accessibilityManager=this.register(new O.MutableDisposable),this._onCursorMove=this.register(new k.EventEmitter),this.onCursorMove=this._onCursorMove.event,this._onKey=this.register(new k.EventEmitter),this.onKey=this._onKey.event,this._onRender=this.register(new k.EventEmitter),this.onRender=this._onRender.event,this._onSelectionChange=this.register(new k.EventEmitter),this.onSelectionChange=this._onSelectionChange.event,this._onTitleChange=this.register(new k.EventEmitter),this.onTitleChange=this._onTitleChange.event,this._onBell=this.register(new k.EventEmitter),this.onBell=this._onBell.event,this._onFocus=this.register(new k.EventEmitter),this._onBlur=this.register(new k.EventEmitter),this._onA11yCharEmitter=this.register(new k.EventEmitter),this._onA11yTabEmitter=this.register(new k.EventEmitter),this._onWillOpen=this.register(new k.EventEmitter),this._setup(),this._decorationService=this._instantiationService.createInstance(A.DecorationService),this._instantiationService.setService(B.IDecorationService,this._decorationService),this._linkProviderService=this._instantiationService.createInstance(q.LinkProviderService),this._instantiationService.setService(L.ILinkProviderService,this._linkProviderService),this._linkProviderService.registerLinkProvider(this._instantiationService.createInstance(v.OscLinkProvider)),this.register(this._inputHandler.onRequestBell((()=>this._onBell.fire()))),this.register(this._inputHandler.onRequestRefreshRows(((E,N)=>this.refresh(E,N)))),this.register(this._inputHandler.onRequestSendFocus((()=>this._reportFocus()))),this.register(this._inputHandler.onRequestReset((()=>this.reset()))),this.register(this._inputHandler.onRequestWindowsOptionsReport((E=>this._reportWindowsOptions(E)))),this.register(this._inputHandler.onColor((E=>this._handleColorEvent(E)))),this.register((0,k.forwardEvent)(this._inputHandler.onCursorMove,this._onCursorMove)),this.register((0,k.forwardEvent)(this._inputHandler.onTitleChange,this._onTitleChange)),this.register((0,k.forwardEvent)(this._inputHandler.onA11yChar,this._onA11yCharEmitter)),this.register((0,k.forwardEvent)(this._inputHandler.onA11yTab,this._onA11yTabEmitter)),this.register(this._bufferService.onResize((E=>this._afterResize(E.cols,E.rows)))),this.register((0,O.toDisposable)((()=>{var E,N;this._customKeyEventHandler=void 0,(N=(E=this.element)==null?void 0:E.parentNode)==null||N.removeChild(this.element)})))}_handleColorEvent(I){if(this._themeService)for(const E of I){let N,H="";switch(E.index){case 256:N="foreground",H="10";break;case 257:N="background",H="11";
Line truncated
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-\`)}clearSelection(){this._model.clearSelection(),this._removeMouseDownListeners(),this.refresh(),this._onSelectionChange.fire()}refresh(c){this._refreshAnimationFrame||(this._refreshAnimationFrame=this._coreBrowserService.window.requestAnimationFrame((()=>this._refresh()))),s.isLinux&&c&&this.selectionText.length&&this._onLinuxMouseSelection.fire(this.selectionText)}_refresh(){this._refreshAnimationFrame=void 0,this._onRedrawRequest.fire({start:this._model.finalSelectionStart,end:this._model.finalSelectionEnd,columnSelectMode:this._activeSelectionMode===3})}_isClickInSelection(c){const m=this._getMouseBufferCoords(c),y=this._model.finalSelectionStart,k=this._model.finalSelectionEnd;return!!(y&&k&&m)&&this._areCoordsInSelection(m,y,k)}isCellInSelection(c,m){const y=this._model.finalSelectionStart,k=this._model.finalSelectionEnd;return!(!y||!k)&&this._areCoordsInSelection([c,m],y,k)}_areCoordsInSelection(c,m,y){return c[1]>m[1]&&c[1]<y[1]||m[1]===y[1]&&c[1]===m[1]&&c[0]>=m[0]&&c[0]<y[0]||m[1]<y[1]&&c[1]===y[1]&&c[0]<y[0]||m[1]<y[1]&&c[1]===m[1]&&c[0]>=m[0]}_selectWordAtCursor(c,m){var L,w;const y=(w=(L=this._linkifier.currentLink)==null?void 0:L.link)==null?void 0:w.range;if(y)return this._model.selectionStart=[y.start.x-1,y.start.y-1],this._model.selectionStartLength=(0,e.getRangeLength)(y,this._bufferService.cols),this._model.selectionEnd=void 0,!0;const k=this._getMouseBufferCoords(c);return!!k&&(this._selectWordAt(k,m),this._model.selectionEnd=void 0,!0)}selectAll(){this._model.isSelectAllActive=!0,this.refresh(),this._onSelectionChange.fire()}selectLines(c,m){this._model.clearSelection(),c=Math.max(c,0),m=Math.min(m,this._bufferService.buffer.lines.length-1),this._model.selectionStart=[0,c],this._model.selectionEnd=[this._bufferService.cols,m],this.refresh(),this._onSelectionChange.fire()}_handleTrim(c){this._model.handleTrim(c)&&this.refresh()}_getMouseBufferCoords(c){const m=this._mouseService.getCoords(c,this._screenElement,this._bufferService.cols,this._bufferService.rows,!0);if(m)return m[0]--,m[1]--,m[1]+=this._bufferService.buffer.ydisp,m}_getMouseEventScrollAmount(c){let m=(0,n.getCoordsRelativeToElement)(this._coreBrowserService.window,c,this._screenElement)[1];const y=this._renderService.dimensions.css.canvas.height;return m>=0&&m<=y?0:(m>y&&(m-=y),m=Math.min(Math.max(m,-50),50),m/=50,m/Math.abs(m)+Math.round(14*m))}shouldForceSelection(c){return s.isMac?c.altKey&&this._optionsService.rawOptions.macOptionClickForcesSelection:c.shiftKey}handleMouseDown(c){if(this._mouseDownTimeStamp=c.timeStamp,(c.button!==2||!this.hasSelection)&&c.button===0){if(!this._enabled){if(!this.shouldForceSelection(c))return;c.stopPropagation()}c.preventDefault(),this._dragScrollAmount=0,this._enabled&&c.shiftKey?this._handleIncrementalClick(c):c.detail===1?this._handleSingleClick(c):c.detail===2?this._handleDoubleClick(c):c.detail===3&&this._handleTripleClick(c),this._addMouseDownListeners(),this.refresh(!0)}}_addMouseDownListeners(){this._screenElement.ownerDocument&&(this._screenElement.ownerDocument.addEventListener("mousemove",this._mouseMoveListener),this._screenElement.ownerDocument.addEventListener("mouseup",this._mouseUpListener)),this._dragScrollIntervalTimer=this._coreBrowserService.window.setInterval((()=>this._dragScroll()),50)}_removeMouseDownListeners(){this._screenElement.ownerDocument&&(this._screenElement.ownerDocument.removeEventListener("mousemove",this._mouseMoveListener),this._screenElement.ownerDocument.removeEventListener("mouseup",this._mouseUpListener)),this._coreBrowserService.window.clearInterval(this._dragScrollIntervalTimer),this._dragScrollIntervalTimer=void 0}_handleIncrementalClick(c){this._model.selectionStart&&(this._model.selectionEnd=this._getMouseBufferCoords(c))}_handleSingleClick(c){if(this._model.selectionStartLength=0,this._model.isSelectAllActive=!1,this._activeSelectionMode=this.shouldColumnSelect(c)?3:0,this._model.selectionStart=this._getMouseBufferCoords(c),!this._model.selectionStart)return;this._model.selectionEnd=void 0;const m=this._bufferService.buffer.lines.get(this._model.selectionStart[1]);m&&m.length!==this._model.selectionStart[0]&&m.hasWidth(this._model.selectionStart[0])===0&&this._model.selectionStart[0]++}_handleDoubleClick(c){this._selectWordAtCursor(c,!0)&&(this._activeSelectionMode=1)}_handleTripleClick(c){const m=this._getMouseBufferCoords(c);m&&(this._activeSelectionMode=2,this._selectLineAt(m[1]))}shouldColumnSelect(c){return c.altKey&&!(s.isMac&&this._optionsService.rawOptions.macOptionClickForcesSelection)}_handleMouseMove(c){if(c.stopImmediatePropagation(),!this._model.selectionStart)return;const m=this._model.selectionEnd?[this._model.selectionEnd[0],this._model.selectionEnd[1]]:null;if(this._model.selectionEnd=this._getMouseBufferCoords(c),!this._model.selectionEnd)return void this.refresh(!0);this._activeSelectionMode===2?this._model.selectionEnd[1]<this._model.selectionStart[1]?this._model.selectionEnd[0]=0:this._model.selectionEnd[0]=this._buf
Line truncated
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Line truncated
-\`,e)}paste(s){this._core.paste(s)}refresh(s,e){this._verifyIntegers(s,e),this._core.refresh(s,e)}reset(){this._core.reset()}clearTextureAtlas(){this._core.clearTextureAtlas()}loadAddon(s){this._addonManager.loadAddon(this,s)}static get strings(){return r}_verifyIntegers(...s){for(const e of s)if(e===1/0||isNaN(e)||e%1!=0)throw new Error("This API only accepts integers")}_verifyPositiveIntegers(...s){for(const e of s)if(e&&(e===1/0||isNaN(e)||e%1!=0||e<0))throw new Error("This API only accepts positive integers")}}A.Terminal=h})(),V})()))})(pe)),pe.exports}var Be=Re(),ge={exports:{}},Ce;function Ae(){return Ce||(Ce=1,(function(Q,K){(function(J,G){Q.exports=G()})(self,(()=>(()=>{var J={};return(()=>{var G=J;Object.defineProperty(G,"__esModule",{value:!0}),G.FitAddon=void 0,G.FitAddon=class{activate(j){this._terminal=j}dispose(){}fit(){const j=this.proposeDimensions();if(!j||!this._terminal||isNaN(j.cols)||isNaN(j.rows))return;const V=this._terminal._core;this._terminal.rows===j.rows&&this._terminal.cols===j.cols||(V._renderService.clear(),this._terminal.resize(j.cols,j.rows))}proposeDimensions(){if(!this._terminal||!this._terminal.element||!this._terminal.element.parentElement)return;const j=this._terminal._core,V=j._renderService.dimensions;if(V.css.cell.width===0||V.css.cell.height===0)return;const A=this._terminal.options.scrollback===0?0:j.viewport.scrollBarWidth,r=window.getComputedStyle(this._terminal.element.parentElement),o=parseInt(r.getPropertyValue("height")),l=Math.max(0,parseInt(r.getPropertyValue("width"))),u=window.getComputedStyle(this._terminal.element),n=o-(parseInt(u.getPropertyValue("padding-top"))+parseInt(u.getPropertyValue("padding-bottom"))),d=l-(parseInt(u.getPropertyValue("padding-right"))+parseInt(u.getPropertyValue("padding-left")))-A;return{cols:Math.max(2,Math.floor(d/V.css.cell.width)),rows:Math.max(1,Math.floor(n/V.css.cell.height))}}}})(),J})()))})(ge)),ge.exports}var Te=Ae(),me={exports:{}},be;function Me(){return be||(be=1,(function(Q,K){(function(J,G){Q.exports=G()})(self,(()=>(()=>{var J={6:(A,r)=>{function o(u){try{const n=new URL(u),d=n.password&&n.username?\`\${n.protocol}//\${n.username}:\${n.password}@\${n.host}\`:n.username?\`\${n.protocol}//\${n.username}@\${n.host}\`:\`\${n.protocol}//\${n.host}\`;return u.toLocaleLowerCase().startsWith(d.toLocaleLowerCase())}catch{return!1}}Object.defineProperty(r,"__esModule",{value:!0}),r.LinkComputer=r.WebLinkProvider=void 0,r.WebLinkProvider=class{constructor(u,n,d,_={}){this._terminal=u,this._regex=n,this._handler=d,this._options=_}provideLinks(u,n){const d=l.computeLink(u,this._regex,this._terminal,this._handler);n(this._addCallbacks(d))}_addCallbacks(u){return u.map((n=>(n.leave=this._options.leave,n.hover=(d,_)=>{if(this._options.hover){const{range:g}=n;this._options.hover(d,_,g)}},n)))}};class l{static computeLink(n,d,_,g){const h=new RegExp(d.source,(d.flags||"")+"g"),[i,s]=l._getWindowedLineStrings(n-1,_),e=i.join("");let t;const a=[];for(;t=h.exec(e);){const f=t[0];if(!o(f))continue;const[v,p]=l._mapStrIdx(_,s,0,t.index),[c,m]=l._mapStrIdx(_,v,p,f.length);if(v===-1||p===-1||c===-1||m===-1)continue;const y={start:{x:p+1,y:v+1},end:{x:m,y:c+1}};a.push({range:y,text:f,activate:g})}return a}static _getWindowedLineStrings(n,d){let _,g=n,h=n,i=0,s="";const e=[];if(_=d.buffer.active.getLine(n)){const t=_.translateToString(!0);if(_.isWrapped&&t[0]!==" "){for(i=0;(_=d.buffer.active.getLine(--g))&&i<2048&&(s=_.translateToString(!0),i+=s.length,e.push(s),_.isWrapped&&s.indexOf(" ")===-1););e.reverse()}for(e.push(t),i=0;(_=d.buffer.active.getLine(++h))&&_.isWrapped&&i<2048&&(s=_.translateToString(!0),i+=s.length,e.push(s),s.indexOf(" ")===-1););}return[e,g]}static _mapStrIdx(n,d,_,g){const h=n.buffer.active,i=h.getNullCell();let s=_;for(;g;){const e=h.getLine(d);if(!e)return[-1,-1];for(let t=s;t<e.length;++t){e.getCell(t,i);const a=i.getChars();if(i.getWidth()&&(g-=a.length||1,t===e.length-1&&a==="")){const f=h.getLine(d+1);f&&f.isWrapped&&(f.getCell(0,i),i.getWidth()===2&&(g+=1))}if(g<0)return[d,t]}d++,s=0}return[d,s]}}r.LinkComputer=l}},G={};function j(A){var r=G[A];if(r!==void 0)return r.exports;var o=G[A]={exports:{}};return J[A](o,o.exports,j),o.exports}var V={};return(()=>{var A=V;Object.defineProperty(A,"__esModule",{value:!0}),A.WebLinksAddon=void 0;const r=j(6),o=/(https?|HTTPS?):[/]{2}[^\\s"'!*(){}|\\\\\\^<>\`]*[^\\s"':,.!?{}|\\\\\\^~\\[\\]\`()<>]/;function l(u,n){const d=window.open();if(d){try{d.opener=null}catch{}d.location.href=n}else console.warn("Opening link blocked as opener could not be cleared")}A.WebLinksAddon=class{constructor(u=l,n={}){this._handler=u,this._options=n}activate(u){this._terminal=u;const n=this._options,d=n.urlRegex||o;this._linkProvider=this._terminal.registerLinkProvider(new r.WebLinkProvider(this._terminal,d,this._handler,n))}dispose(){var u;(u=this._linkProvider)==null||u.dispose()}}})(),V})()))})(me)),me.exports}var Oe=Me();class Pe{constructor(K){ne(this,"terminal");ne(this,"fitAddon");
Line truncated
+\`)}clearSelection(){this._model.clearSelection(),this._removeMouseDownListeners(),this.refresh(),this._onSelectionChange.fire()}refresh(u){this._refreshAnimationFrame||(this._refreshAnimationFrame=this._coreBrowserService.window.requestAnimationFrame((()=>this._refresh()))),o.isLinux&&u&&this.selectionText.length&&this._onLinuxMouseSelection.fire(this.selectionText)}_refresh(){this._refreshAnimationFrame=void 0,this._onRedrawRequest.fire({start:this._model.finalSelectionStart,end:this._model.finalSelectionEnd,columnSelectMode:this._activeSelectionMode===3})}_isClickInSelection(u){const L=this._getMouseBufferCoords(u),M=this._model.finalSelectionStart,T=this._model.finalSelectionEnd;return!!(M&&T&&L)&&this._areCoordsInSelection(L,M,T)}isCellInSelection(u,L){const M=this._model.finalSelectionStart,T=this._model.finalSelectionEnd;return!(!M||!T)&&this._areCoordsInSelection([u,L],M,T)}_areCoordsInSelection(u,L,M){return u[1]>L[1]&&u[1]<M[1]||L[1]===M[1]&&u[1]===L[1]&&u[0]>=L[0]&&u[0]<M[0]||L[1]<M[1]&&u[1]===M[1]&&u[0]<M[0]||L[1]<M[1]&&u[1]===L[1]&&u[0]>=L[0]}_selectWordAtCursor(u,L){var D,k;const M=(k=(D=this._linkifier.currentLink)==null?void 0:D.link)==null?void 0:k.range;if(M)return this._model.selectionStart=[M.start.x-1,M.start.y-1],this._model.selectionStartLength=(0,s.getRangeLength)(M,this._bufferService.cols),this._model.selectionEnd=void 0,!0;const T=this._getMouseBufferCoords(u);return!!T&&(this._selectWordAt(T,L),this._model.selectionEnd=void 0,!0)}selectAll(){this._model.isSelectAllActive=!0,this.refresh(),this._onSelectionChange.fire()}selectLines(u,L){this._model.clearSelection(),u=Math.max(u,0),L=Math.min(L,this._bufferService.buffer.lines.length-1),this._model.selectionStart=[0,u],this._model.selectionEnd=[this._bufferService.cols,L],this.refresh(),this._onSelectionChange.fire()}_handleTrim(u){this._model.handleTrim(u)&&this.refresh()}_getMouseBufferCoords(u){const L=this._mouseService.getCoords(u,this._screenElement,this._bufferService.cols,this._bufferService.rows,!0);if(L)return L[0]--,L[1]--,L[1]+=this._bufferService.buffer.ydisp,L}_getMouseEventScrollAmount(u){let L=(0,h.getCoordsRelativeToElement)(this._coreBrowserService.window,u,this._screenElement)[1];const M=this._renderService.dimensions.css.canvas.height;return L>=0&&L<=M?0:(L>M&&(L-=M),L=Math.min(Math.max(L,-50),50),L/=50,L/Math.abs(L)+Math.round(14*L))}shouldForceSelection(u){return o.isMac?u.altKey&&this._optionsService.rawOptions.macOptionClickForcesSelection:u.shiftKey}handleMouseDown(u){if(this._mouseDownTimeStamp=u.timeStamp,(u.button!==2||!this.hasSelection)&&u.button===0){if(!this._enabled){if(!this.shouldForceSelection(u))return;u.stopPropagation()}u.preventDefault(),this._dragScrollAmount=0,this._enabled&&u.shiftKey?this._handleIncrementalClick(u):u.detail===1?this._handleSingleClick(u):u.detail===2?this._handleDoubleClick(u):u.detail===3&&this._handleTripleClick(u),this._addMouseDownListeners(),this.refresh(!0)}}_addMouseDownListeners(){this._screenElement.ownerDocument&&(this._screenElement.ownerDocument.addEventListener("mousemove",this._mouseMoveListener),this._screenElement.ownerDocument.addEventListener("mouseup",this._mouseUpListener)),this._dragScrollIntervalTimer=this._coreBrowserService.window.setInterval((()=>this._dragScroll()),50)}_removeMouseDownListeners(){this._screenElement.ownerDocument&&(this._screenElement.ownerDocument.removeEventListener("mousemove",this._mouseMoveListener),this._screenElement.ownerDocument.removeEventListener("mouseup",this._mouseUpListener)),this._coreBrowserService.window.clearInterval(this._dragScrollIntervalTimer),this._dragScrollIntervalTimer=void 0}_handleIncrementalClick(u){this._model.selectionStart&&(this._model.selectionEnd=this._getMouseBufferCoords(u))}_handleSingleClick(u){if(this._model.selectionStartLength=0,this._model.isSelectAllActive=!1,this._activeSelectionMode=this.shouldColumnSelect(u)?3:0,this._model.selectionStart=this._getMouseBufferCoords(u),!this._model.selectionStart)return;this._model.selectionEnd=void 0;const L=this._bufferService.buffer.lines.get(this._model.selectionStart[1]);L&&L.length!==this._model.selectionStart[0]&&L.hasWidth(this._model.selectionStart[0])===0&&this._model.selectionStart[0]++}_handleDoubleClick(u){this._selectWordAtCursor(u,!0)&&(this._activeSelectionMode=1)}_handleTripleClick(u){const L=this._getMouseBufferCoords(u);L&&(this._activeSelectionMode=2,this._selectLineAt(L[1]))}shouldColumnSelect(u){return u.altKey&&!(o.isMac&&this._optionsService.rawOptions.macOptionClickForcesSelection)}_handleMouseMove(u){if(u.stopImmediatePropagation(),!this._model.selectionStart)return;const L=this._model.selectionEnd?[this._model.selectionEnd[0],this._model.selectionEnd[1]]:null;if(this._model.selectionEnd=this._getMouseBufferCoords(u),!this._model.selectionEnd)return void this.refresh(!0);this._activeSelectionMode===2?this._model.selectionEnd[1]<this._model.selectionStart[1]?this._model.selectionEnd[0]=0:this._model.selectionEnd[0]=this._buf
Line truncated
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Line truncated
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+ * Copyright (c) 2014-2024 The xterm.js authors. All rights reserved.
+ * @license MIT
+ *
+ * Copyright (c) 2012-2013, Christopher Jeffrey (MIT License)
+ * @license MIT
+ *
+ * Originally forked from (with the author's permission):
+ *   Fabrice Bellard's javascript vt100 for jslinux:
+ *   http://bellard.org/jslinux/
+ *   Copyright (c) 2011 Fabrice Bellard
+ */var qs=(r,e,p,x)=>{for(var m=e,R=r.length-1,b;R>=0;R--)(b=r[R])&&(m=b(m)||m);return m},Ks=(r,e)=>(p,x)=>e(p,x,r),Gs=class{constructor(){this.listeners=[],this.unexpectedErrorHandler=function(r){setTimeout(()=>{throw r.stack?ui.isErrorNoTelemetry(r)?new ui(r.message+\`
+
+\`+r.stack):new Error(r.message+\`
+
+\`+r.stack):r},0)}}addListener(r){return this.listeners.push(r),()=>{this._removeListener(r)}}emit(r){this.listeners.forEach(e=>{e(r)})}_removeListener(r){this.listeners.splice(this.listeners.indexOf(r),1)}setUnexpectedErrorHandler(r){this.unexpectedErrorHandler=r}getUnexpectedErrorHandler(){return this.unexpectedErrorHandler}onUnexpectedError(r){this.unexpectedErrorHandler(r),this.emit(r)}onUnexpectedExternalError(r){this.unexpectedErrorHandler(r)}},Vs=new Gs;function xt(r){Xs(r)||Vs.onUnexpectedError(r)}var Yt="Canceled";function Xs(r){return r instanceof Ys?!0:r instanceof Error&&r.name===Yt&&r.message===Yt}var Ys=class extends Error{constructor(){super(Yt),this.name=this.message}},ui=class Jt extends Error{constructor(e){super(e),this.name="CodeExpectedError"}static fromError(e){if(e instanceof Jt)return e;let p=new Jt;return p.message=e.message,p.stack=e.stack,p}static isErrorNoTelemetry(e){return e.name==="CodeExpectedError"}},Js;(r=>{function e(R){return R<0}r.isLessThan=e;function p(R){return R<=0}r.isLessThanOrEqual=p;function x(R){return R>0}r.isGreaterThan=x;function m(R){return R===0}r.isNeitherLessOrGreaterThan=m,r.greaterThan=1,r.lessThan=-1,r.neitherLessOrGreaterThan=0})(Js||(Js={}));function Qs(r,e){let p=this,x=!1,m;return function(){return x||(x=!0,e||(m=r.apply(p,arguments))),m}}var hs;(r=>{function e(c){return c&&typeof c=="object"&&typeof c[Symbol.iterator]=="function"}r.is=e;let p=Object.freeze([]);function x(){return p}r.empty=x;function*m(c){yield c}r.single=m;function R(c){return e(c)?c:m(c)}r.wrap=R;function b(c){return c||p}r.from=b;function*i(c){for(let g=c.length-1;g>=0;g--)yield c[g]}r.reverse=i;function a(c){return!c||c[Symbol.iterator]().next().done===!0}r.isEmpty=a;function l(c){return c[Symbol.iterator]().next().value}r.first=l;function _(c,g){let S=0;for(let w of c)if(g(w,S++))return!0;return!1}r.some=_;function h(c,g){for(let S of c)if(g(S))return S}r.find=h;function*d(c,g){for(let S of c)g(S)&&(yield S)}r.filter=d;function*v(c,g){let S=0;for(let w of c)yield g(w,S++)}r.map=v;function*C(c,g){let S=0;for(let w of c)yield*g(w,S++)}r.flatMap=C;function*f(...c){for(let g of c)yield*g}r.concat=f;function t(c,g,S){let w=S;for(let u of c)w=g(w,u);return w}r.reduce=t;function*o(c,g,S=c.length){for(g<0&&(g+=c.length),S<0?S+=c.length:S>c.length&&(S=c.length);g<S;g++)yield c[g]}r.slice=o;function s(c,g=Number.POSITIVE_INFINITY){let S=[];if(g===0)return[S,c];let w=c[Symbol.iterator]();for(let u=0;u<g;u++){let L=w.next();if(L.done)return[S,r.empty()];S.push(L.value)}return[S,{[Symbol.iterator](){return w}}]}r.consume=s;async function n(c){let g=[];for await(let S of c)g.push(S);return Promise.resolve(g)}r.asyncToArray=n})(hs||(hs={}));function ls(r){if(hs.is(r)){let e=[];for(let p of r)if(p)try{p.dispose()}catch(x){e.push(x)}if(e.length===1)throw e[0];if(e.length>1)throw new AggregateError(e,"Encountered errors while disposing of store");return Array.isArray(r)?[]:r}else if(r)return r.dispose(),r}function cs(...r){return ue(()=>ls(r))}function ue(r){return{dispose:Qs(()=>{r()})}}var ds=class _s{constructor(){this._toDispose=new Set,this._isDisposed=!1}dispose(){this._isDisposed||(this._isDisposed=!0,this.clear())}get isDisposed(){return this._isDisposed}clear(){if(this._toDispose.size!==0)try{ls(this._toDispose)}finally{this._toDispose.clear()}}add(e){if(!e)return e;if(e===this)throw new Error("Cannot register a disposable on itself!");return this._isDisposed?_s.DISABLE_DISPOSED_WARNING||console.warn(new Error("Trying to add a disposable to a DisposableStore that has already been disposed of. 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+\`).slice(2).join(\`
+\`))}},Tr=class extends Error{constructor(r,e){super(r),this.name="ListenerLeakError",this.stack=e}},Br=class extends Error{constructor(r,e){super(r),this.name="ListenerRefusalError",this.stack=e}},Ir=0,Lt=class{constructor(r){this.value=r,this.id=Ir++}},Or=2,Pr,Q=class{constructor(r){var e,p,x,m;this._size=0,this._options=r,this._leakageMon=(e=this._options)!=null&&e.leakWarningThreshold?new Mr((r==null?void 0:r.onListenerError)??xt,((p=this._options)==null?void 0:p.leakWarningThreshold)??Ar):void 0,this._perfMon=(x=this._options)!=null&&x._profName?new Rr(this._options._profName):void 0,this._deliveryQueue=(m=this._options)==null?void 0:m.deliveryQueue}dispose(){var r,e,p,x;this._disposed||(this._disposed=!0,((r=this._deliveryQueue)==null?void 0:r.current)===this&&this._deliveryQueue.reset(),this._listeners&&(this._listeners=void 0,this._size=0),(p=(e=this._options)==null?void 0:e.onDidRemoveLastListener)==null||p.call(e),(x=this._leakageMon)==null||x.dispose())}get event(){return this._event??(this._event=(r,e,p)=>{var b,i,a,l,_;if(this._leakageMon&&this._size>this._leakageMon.threshold**2){let h=\`[\${this._leakageMon.name}] REFUSES to accept new listeners because it exceeded its threshold by far (\${this._size} vs \${this._leakageMon.threshold})\`;console.warn(h);let d=this._leakageMon.getMostFrequentStack()??["UNKNOWN stack",-1],v=new Br(\`\${h}. HINT: Stack shows most frequent listener (\${d[1]}-times)\`,d[0]);return(((b=this._options)==null?void 0:b.onListenerError)||xt)(v),we.None}if(this._disposed)return we.None;e&&(r=r.bind(e));let x=new Lt(r),m;this._leakageMon&&this._size>=Math.ceil(this._leakageMon.threshold*.2)&&(x.stack=Dr.create(),m=this._leakageMon.check(x.stack,this._size+1)),this._listeners?this._listeners instanceof Lt?(this._deliveryQueue??(this._deliveryQueue=new Fr),this._listeners=[this._listeners,x]):this._listeners.push(x):((a=(i=this._options)==null?void 0:i.onWillAddFirstListener)==null||a.call(i,this),this._listeners=x,(_=(l=this._options)==null?void 0:l.onDidAddFirstListener)==null||_.call(l,this)),this._size++;let R=ue(()=>{m==null||m(),this._removeListener(x)});return p instanceof Ge?p.add(R):Array.isArray(p)&&p.push(R),R}),this._event}_removeListener(r){var m,R,b,i;if((R=(m=this._options)==null?void 0:m.onWillRemoveListener)==null||R.call(m,this),!this._listeners)return;if(this._size===1){this._listeners=void 0,(i=(b=this._options)==null?void 0:b.onDidRemoveLastListener)==null||i.call(b,this),this._size=0;return}let e=this._listeners,p=e.indexOf(r);if(p===-1)throw console.log("disposed?",this._disposed),console.log("size?",this._size),console.log("arr?",JSON.stringify(this._listeners)),new Error("Attempted to dispose unknown listener");this._size--,e[p]=void 0;let x=this._deliveryQueue.current===this;if(this._size*Or<=e.length){let a=0;for(let l=0;l<e.length;l++)e[l]?e[a++]=e[l]:x&&(this._deliveryQueue.end--,a<this._deliveryQueue.i&&this._deliveryQueue.i--);e.length=a}}_deliver(r,e){var x;if(!r)return;let p=((x=this._options)==null?void 0:x.onListenerError)||xt;if(!p){r.value(e);return}try{r.value(e)}catch(m){p(m)}}_deliverQueue(r){let e=r.current._listeners;for(;r.i<r.end;)this._deliver(e[r.i++],r.value);r.reset()}fire(r){var e,p,x,m;if((e=this._deliveryQueue)!=null&&e.current&&(this._deliverQueue(this._deliveryQueue),(p=this._perfMon)==null||p.stop()),(x=this._perfMon)==null||x.start(this._size),this._listeners)if(this._listeners instanceof Lt)this._deliver(this._listeners,r);else{let R=this._deliveryQueue;R.enqueue(this,r,this._listeners.length),this._deliverQueue(R)}(m=this._perfMon)==null||m.stop()}hasListeners(){return this._size>0}},Fr=class{constructor(){this.i=-1,this.end=0}enqueue(r,e,p){this.i=0,this.end=p,this.current=r,this.value=e}reset(){this.i=this.end,this.current=void 0,this.value=void 0}},mi={texturePage:0,texturePosition:{x:0,y:0},texturePositionClipSpace:{x:0,y:0},offset:{x:0,y:0},size:{x:0,y:0},sizeClipSpace:{x:0,y:0}},tt=2,it,Pe=class Ze{constructor(e,p,x){this._document=e,this._config=p,this._unicodeService=x,this._didWarmUp=!1,this._cacheMap=new gi,this._cacheMapCombined=new gi,this._pages=[],this._activePages=[],this._workBoundingBox={top:0,left:0,bottom:0,right:0},this._workAttributeData=new qe,this._textureSize=512,this._onAddTextureAtlasCanvas=new Q,this.onAddTextureAtlasCanvas=this._onAddTextureAtlasCanvas.event,this._onRemoveTextureAtlasCanvas=new Q,this.onRemoveTextureAtlasCanvas=this._onRemoveTextureAtlasCanvas.event,this._requestClearModel=!1,this._createNewPage(),this._tmpCanvas=Ls(e,this._config.deviceCellWidth*4+tt*2,this._config.deviceCellHeight+tt*2),this._tmpCtx=re(this._tmpCanvas.getContext("2d",{alpha:this._config.allowTransparency,willReadFrequently:!0}))}get pages(){return this._pages}dispose(){this._tmpCanvas.remove();for(let e of this.pages)e.canvas.remove();this._onAddTextureAtlasCanvas.dispose()}warmUp(){this._didWarmUp||(this._doWarmUp(),this._didWarmUp=!0)}_doWarmUp(){let e=new Er;for(let p=33;p<126;p++)e.enqueue(()=>{if(!t
Line truncated
+layout (location = 0) in vec2 a_unitquad;
+layout (location = 1) in vec2 a_cellpos;
+layout (location = 2) in vec2 a_offset;
+layout (location = 3) in vec2 a_size;
+layout (location = 4) in float a_texpage;
+layout (location = 5) in vec2 a_texcoord;
+layout (location = 6) in vec2 a_texsize;
+
+uniform mat4 u_projection;
+uniform vec2 u_resolution;
+
+out vec2 v_texcoord;
+flat out int v_texpage;
+
+void main() {
+  vec2 zeroToOne = (a_offset / u_resolution) + a_cellpos + (a_unitquad * a_size);
+  gl_Position = u_projection * vec4(zeroToOne, 0.0, 1.0);
+  v_texpage = int(a_texpage);
+  v_texcoord = a_texcoord + a_unitquad * a_texsize;
+}\`;function qr(r){let e="";for(let p=1;p<r;p++)e+=\` else if (v_texpage == \${p}) { outColor = texture(u_texture[\${p}], v_texcoord); }\`;return\`#version 300 es
+precision lowp float;
+
+in vec2 v_texcoord;
+flat in int v_texpage;
+
+uniform sampler2D u_texture[\${r}];
+
+out vec4 outColor;
+
+void main() {
+  if (v_texpage == 0) {
+    outColor = texture(u_texture[0], v_texcoord);
+  } \${e}
+}\`}var Fe=11,ze=Fe*Float32Array.BYTES_PER_ELEMENT,Kr=2,ie=0,J,At=0,st=0,Gr=class extends we{constructor(r,e,p,x){super(),this._terminal=r,this._gl=e,this._dimensions=p,this._optionsService=x,this._activeBuffer=0,this._vertices={count:0,attributes:new Float32Array(0),attributesBuffers:[new Float32Array(0),new Float32Array(0)]};let m=this._gl;Pe.maxAtlasPages===void 0&&(Pe.maxAtlasPages=Math.min(32,re(m.getParameter(m.MAX_TEXTURE_IMAGE_UNITS))),Pe.maxTextureSize=re(m.getParameter(m.MAX_TEXTURE_SIZE))),this._program=re(Ms(m,Zr,qr(Pe.maxAtlasPages))),this._register(ue(()=>m.deleteProgram(this._program))),this._projectionLocation=re(m.getUniformLocation(this._program,"u_projection")),this._resolutionLocation=re(m.getUniformLocation(this._program,"u_resolution")),this._textureLocation=re(m.getUniformLocation(this._program,"u_texture")),this._vertexArrayObject=m.createVertexArray(),m.bindVertexArray(this._vertexArrayObject);let R=new Float32Array([0,0,1,0,0,1,1,1]),b=m.createBuffer();this._register(ue(()=>m.deleteBuffer(b))),m.bindBuffer(m.ARRAY_BUFFER,b),m.bufferData(m.ARRAY_BUFFER,R,m.STATIC_DRAW),m.enableVertexAttribArray(0),m.vertexAttribPointer(0,2,this._gl.FLOAT,!1,0,0);let i=new Uint8Array([0,1,2,3]),a=m.createBuffer();this._register(ue(()=>m.deleteBuffer(a))),m.bindBuffer(m.ELEMENT_ARRAY_BUFFER,a),m.bufferData(m.ELEMENT_ARRAY_BUFFER,i,m.STATIC_DRAW),this._attributesBuffer=re(m.createBuffer()),this._register(ue(()=>m.deleteBuffer(this._attributesBuffer))),m.bindBuffer(m.ARRAY_BUFFER,this._attributesBuffer),m.enableVertexAttribArray(2),m.vertexAttribPointer(2,2,m.FLOAT,!1,ze,0),m.vertexAttribDivisor(2,1),m.enableVertexAttribArray(3),m.vertexAttribPointer(3,2,m.FLOAT,!1,ze,2*Float32Array.BYTES_PER_ELEMENT),m.vertexAttribDivisor(3,1),m.enableVertexAttribArray(4),m.vertexAttribPointer(4,1,m.FLOAT,!1,ze,4*Float32Array.BYTES_PER_ELEMENT),m.vertexAttribDivisor(4,1),m.enableVertexAttribArray(5),m.vertexAttribPointer(5,2,m.FLOAT,!1,ze,5*Float32Array.BYTES_PER_ELEMENT),m.vertexAttribDivisor(5,1),m.enableVertexAttribArray(6),m.vertexAttribPointer(6,2,m.FLOAT,!1,ze,7*Float32Array.BYTES_PER_ELEMENT),m.vertexAttribDivisor(6,1),m.enableVertexAttribArray(1),m.vertexAttribPointer(1,2,m.FLOAT,!1,ze,9*Float32Array.BYTES_PER_ELEMENT),m.vertexAttribDivisor(1,1),m.useProgram(this._program);let l=new Int32Array(Pe.maxAtlasPages);for(let _=0;_<Pe.maxAtlasPages;_++)l[_]=_;m.uniform1iv(this._textureLocation,l),m.uniformMatrix4fv(this._projectionLocation,!1,As),this._atlasTextures=[];for(let _=0;_<Pe.maxAtlasPages;_++){let h=new jr(re(m.createTexture()));this._register(ue(()=>m.deleteTexture(h.texture))),m.activeTexture(m.TEXTURE0+_),m.bindTexture(m.TEXTURE_2D,h.texture),m.texParameteri(m.TEXTURE_2D,m.TEXTURE_WRAP_S,m.CLAMP_TO_EDGE),m.texParameteri(m.TEXTURE_2D,m.TEXTURE_WRAP_T,m.CLAMP_TO_EDGE),m.texImage2D(m.TEXTURE_2D,0,m.RGBA,1,1,0,m.RGBA,m.UNSIGNED_BYTE,new Uint8Array([255,0,0,255])),this._atlasTextures[_]=h}m.enable(m.BLEND),m.blendFunc(m.SRC_ALPHA,m.ONE_MINUS_SRC_ALPHA),this.handleResize()}beginFrame(){return this._atlas?this._atlas.beginFrame():!0}updateCell(r,e,p,x,m,R,b,i,a){this._updateCell(this._vertices.attributes,r,e,p,x,m,R,b,i,a)}_updateCell(r,e,p,x,m,R,b,i,a,l){if(ie=(p*this._terminal.cols+e)*Fe,x===0||x===void 0){r.fill(0,ie,ie+Fe-1-Kr);return}this._atlas&&(i&&i.length>1?J=this._atlas.getRasterizedGlyphCombinedChar(i,m,R,b,!1,this._terminal.element):J=this._atlas.getRasterizedGlyph(x,m,R,b,!1,this._terminal.element),At=Math.floor((this._dimensions.device.cell.width-this._dimensions.device.char.width)/2),m!==l&&J.offset.x>At?(st=J.offset.x-At,r[ie]=-(J.offset.x-st)+this._dimensions.device.char.left,r[ie+1]=-J.offset.y+this._dimensions.device.char.top,r[ie+2]=(J.size.x-st)/this._dimensions.device.canvas.width,r[ie+3]=J.size.y/this._dimensions.device.canvas.height,r[ie+4]=J.texturePage,r[ie+5]=J.texturePositionClipSpace.x+st/this._atlas.pages[J.texturePage].canvas.width,r[ie+6]=J.texturePositionClipSpace.y,r[ie+7]=J.sizeClipSpace.x-st/this._atlas.pages[J.texturePage].canvas.width,r[ie+8]=J.sizeClipSpace.y):(r[ie]=-J.offset.x+this._dimensions.device.char.left,r[ie+1]=-J.offset.y+this._dimensions.device.char.top,r[ie+2]=J.size.x/this._dimensions.device.canvas.width,r[ie+3]=J.size.y/this._dimensions.device.canvas.height,r[ie+4]=J.texturePage,r[ie+5]=J.texturePositionClipSpace.x,r[ie+6]=J.texturePositionClipSpace.y,r[ie+7]=J.sizeClipSpace.x,r[ie+8]=J.sizeClipSpace.y),this._optionsService.rawOptions.rescaleOverlappingGlyphs&&cr(x,a,J.size.x,this._dimensions.device.cell.width)&&(r[ie+2]=(this._dimensions.device.cell.width-1)/this._dimensions.device.canvas.width))}clear(){let r=this._terminal,e=r.cols*r.rows*Fe;this._vertices.count!==e?this._vertices.attributes=new Float32Array(e):this._vertices.attributes.fill(0);let p=0;for(;p<this._vertices.attributesBuffers.length;p++)this._vertices.count!==e?this._vertices.attributesBuffers[p]=new Float32Array(e):this._vertices.attributesBuffers[p].fill(0);this._vertices.count=e,p=0;for
Line truncated
+layout (location = 0) in vec2 a_position;
+layout (location = 1) in vec2 a_size;
+layout (location = 2) in vec4 a_color;
+layout (location = 3) in vec2 a_unitquad;
+
+uniform mat4 u_projection;
+
+out vec4 v_color;
+
+void main() {
+  vec2 zeroToOne = a_position + (a_unitquad * a_size);
+  gl_Position = u_projection * vec4(zeroToOne, 0.0, 1.0);
+  v_color = a_color;
+}\`,en=\`#version 300 es
+precision lowp float;
+
+in vec4 v_color;
+
+out vec4 outColor;
+
+void main() {
+  outColor = v_color;
+}\`,Me=8,Dt=Me*Float32Array.BYTES_PER_ELEMENT,tn=20*Me,xi=class{constructor(){this.attributes=new Float32Array(tn),this.count=0}},Ae=0,Ei=0,Li=0,ki=0,Ri=0,Ai=0,Mi=0,sn=class extends we{constructor(r,e,p,x){super(),this._terminal=r,this._gl=e,this._dimensions=p,this._themeService=x,this._vertices=new xi,this._verticesCursor=new xi;let m=this._gl;this._program=re(Ms(m,Qr,en)),this._register(ue(()=>m.deleteProgram(this._program))),this._projectionLocation=re(m.getUniformLocation(this._program,"u_projection")),this._vertexArrayObject=m.createVertexArray(),m.bindVertexArray(this._vertexArrayObject);let R=new Float32Array([0,0,1,0,0,1,1,1]),b=m.createBuffer();this._register(ue(()=>m.deleteBuffer(b))),m.bindBuffer(m.ARRAY_BUFFER,b),m.bufferData(m.ARRAY_BUFFER,R,m.STATIC_DRAW),m.enableVertexAttribArray(3),m.vertexAttribPointer(3,2,this._gl.FLOAT,!1,0,0);let i=new Uint8Array([0,1,2,3]),a=m.createBuffer();this._register(ue(()=>m.deleteBuffer(a))),m.bindBuffer(m.ELEMENT_ARRAY_BUFFER,a),m.bufferData(m.ELEMENT_ARRAY_BUFFER,i,m.STATIC_DRAW),this._attributesBuffer=re(m.createBuffer()),this._register(ue(()=>m.deleteBuffer(this._attributesBuffer))),m.bindBuffer(m.ARRAY_BUFFER,this._attributesBuffer),m.enableVertexAttribArray(0),m.vertexAttribPointer(0,2,m.FLOAT,!1,Dt,0),m.vertexAttribDivisor(0,1),m.enableVertexAttribArray(1),m.vertexAttribPointer(1,2,m.FLOAT,!1,Dt,2*Float32Array.BYTES_PER_ELEMENT),m.vertexAttribDivisor(1,1),m.enableVertexAttribArray(2),m.vertexAttribPointer(2,4,m.FLOAT,!1,Dt,4*Float32Array.BYTES_PER_ELEMENT),m.vertexAttribDivisor(2,1),this._updateCachedColors(x.colors),this._register(this._themeService.onChangeColors(l=>{this._updateCachedColors(l),this._updateViewportRectangle()}))}renderBackgrounds(){this._renderVertices(this._vertices)}renderCursor(){this._renderVertices(this._verticesCursor)}_renderVertices(r){let e=this._gl;e.useProgram(this._program),e.bindVertexArray(this._vertexArrayObject),e.uniformMatrix4fv(this._projectionLocation,!1,As),e.bindBuffer(e.ARRAY_BUFFER,this._attributesBuffer),e.bufferData(e.ARRAY_BUFFER,r.attributes,e.DYNAMIC_DRAW),e.drawElementsInstanced(this._gl.TRIANGLE_STRIP,4,e.UNSIGNED_BYTE,0,r.count)}handleResize(){this._updateViewportRectangle()}setDimensions(r){this._dimensions=r}_updateCachedColors(r){this._bgFloat=this._colorToFloat32Array(r.background),this._cursorFloat=this._colorToFloat32Array(r.cursor)}_updateViewportRectangle(){this._addRectangleFloat(this._vertices.attributes,0,0,0,this._terminal.cols*this._dimensions.device.cell.width,this._terminal.rows*this._dimensions.device.cell.height,this._bgFloat)}updateBackgrounds(r){let e=this._terminal,p=this._vertices,x=1,m,R,b,i,a,l,_,h,d,v,C;for(m=0;m<e.rows;m++){for(b=-1,i=0,a=0,l=!1,R=0;R<e.cols;R++)_=(m*e.cols+R)*gt,h=r.cells[_+ft],d=r.cells[_+vt],v=!!(d&67108864),(h!==i||d!==a&&(l||v))&&((i!==0||l&&a!==0)&&(C=x++*Me,this._updateRectangle(p,C,a,i,b,R,m)),b=R,i=h,a=d,l=v);(i!==0||l&&a!==0)&&(C=x++*Me,this._updateRectangle(p,C,a,i,b,e.cols,m))}p.count=x}updateCursor(r){let e=this._verticesCursor,p=r.cursor;if(!p||p.style==="block"){e.count=0;return}let x,m=0;(p.style==="bar"||p.style==="outline")&&(x=m++*Me,this._addRectangleFloat(e.attributes,x,p.x*this._dimensions.device.cell.width,p.y*this._dimensions.device.cell.height,p.style==="bar"?p.dpr*p.cursorWidth:p.dpr,this._dimensions.device.cell.height,this._cursorFloat)),(p.style==="underline"||p.style==="outline")&&(x=m++*Me,this._addRectangleFloat(e.attributes,x,p.x*this._dimensions.device.cell.width,(p.y+1)*this._dimensions.device.cell.height-p.dpr,p.width*this._dimensions.device.cell.width,p.dpr,this._cursorFloat)),p.style==="outline"&&(x=m++*Me,this._addRectangleFloat(e.attributes,x,p.x*this._dimensions.device.cell.width,p.y*this._dimensions.device.cell.height,p.width*this._dimensions.device.cell.width,p.dpr,this._cursorFloat),x=m++*Me,this._addRectangleFloat(e.attributes,x,(p.x+p.width)*this._dimensions.device.cell.width-p.dpr,p.y*this._dimensions.device.cell.height,p.dpr,this._dimensions.device.cell.height,this._cursorFloat)),e.count=m}_updateRectangle(r,e,p,x,m,R,b){if(p&67108864)switch(p&50331648){case 16777216:case 33554432:Ae=this._themeService.colors.ansi[p&255].rgba;break;case 50331648:Ae=(p&16777215)<<8;break;case 0:default:Ae=this._themeService.colors.foreground.rgba}else switch(x&50331648){case 16777216:case 33554432:Ae=this._themeService.colors.ansi[x&255].rgba;break;case 50331648:Ae=(x&16777215)<<8;break;case 0:default:Ae=this._themeService.colors.background.rgba}r.attributes.length<e+4&&(r.attributes=zr(r.attributes,this._terminal.rows*this._terminal.cols*Me)),Ei=m*this._dimensions.device.cell.width,Li=b*this._dimensions.device.cell.height,ki=(Ae>>24&255)/255,Ri=(Ae>>16&255)/255,Ai=(Ae>>8&255)/255,Mi=1,this._addRectangle(r.attributes,e,Ei,Li,(R-m)*this._dimensions.device.cell.width,this._dimensions.device.cell.height,ki,Ri,Ai,Mi)}_addRectangle(r,e,p,x,m,R,b,i,a,l){r[e]=p/this._dimensions.device.canvas.width,r[e+1]=x/this._dimensions.device.canvas.heig
Line truncated
+\`+x+" ("+m+" bytes)")){p.skip();return}const b=[];p.on("input",i=>{b.push(i)}),p.accept().then(()=>{Xt.Browser.save_to_disk(b,x)})}),e.start()}handleSend(e){const p=document.createElement("input");p.type="file",p.multiple=!0,p.style.display="none",p.onchange=x=>{const m=x.target.files;m&&m.length>0?Xt.Browser.send_files(e,m,{on_offer_response:(R,b)=>{b||console.warn("Server rejected file:",R.name)},on_progress:(R,b,i)=>{},on_file_complete:R=>{console.log("Finished uploading:",R.name)}}).then(()=>{e.close()}):e.close()},document.body.appendChild(p),p.click(),document.body.removeChild(p)}}const es={cyberpunk:{background:"#0a0a0a",foreground:"#4af626",cursor:"#14d1ff",cursorAccent:"#0a0a0a",selectionBackground:"#273747"},glacier:{background:"#0a192f",foreground:"#64ffda",cursor:"#e6f1ff",cursorAccent:"#0a192f",selectionBackground:"#112240"},gruvbox:{background:"#282828",foreground:"#ebdbb2",cursor:"#d3869b",cursorAccent:"#282828",selectionBackground:"#504945"}};class Hn{constructor(e){le(this,"terminal");le(this,"fitAddon");le(this,"webglAddon");le(this,"ws",null);le(this,"container");le(this,"config",null);le(this,"roamId",null);le(this,"reconnecting",!1);le(this,"reconnectAttempts",0);le(this,"maxReconnectAttempts",5);this.container=document.getElementById(e),this.terminal=new $s.Terminal({cursorBlink:!0,cursorStyle:"block",fontSize:14,fontFamily:'"JetBrains Mono", "Fira Code", "Cascadia Code", monospace',theme:es.cyberpunk,allowProposedApi:!0,scrollback:1e4}),this.fitAddon=new zs.FitAddon,this.terminal.loadAddon(this.fitAddon),this.terminal.loadAddon(new Zs.WebLinksAddon),window.addEventListener("resize",()=>this.fit()),this.container.addEventListener("contextmenu",async p=>{var x;p.preventDefault();try{const m=await navigator.clipboard.readText();m&&((x=this.ws)==null?void 0:x.readyState)===WebSocket.OPEN&&this.ws.send(m)}catch(m){console.error("Failed to read clipboard",m)}})}setTheme(e){this.terminal.options.theme=es[e]}mount(){this.terminal.open(this.container);try{this.webglAddon=new kn,this.webglAddon.onContextLoss(e=>{console.warn("WebGL context lost",e),this.webglAddon.dispose()}),this.terminal.loadAddon(this.webglAddon)}catch(e){console.warn("WebGL addon failed to load, falling back to canvas/dom",e)}this.fit(),this.terminal.writeln("\\x1B[1;33m╔══════════════════════════════════╗\\x1B[0m"),this.terminal.writeln("\\x1B[1;33m║      Connecting to CloudSSH      ║\\x1B[0m"),this.terminal.writeln("\\x1B[1;33m╚══════════════════════════════════╝\\x1B[0m"),this.terminal.writeln("")}attemptReconnect(){if(this.reconnectAttempts>=this.maxReconnectAttempts||!this.roamId||!this.config){this.terminal.writeln("\\x1B[31m[!] 连接已断开，无法恢复。\\x1B[0m"),document.getElementById("status-text").innerHTML='<span class="w-2 h-2 bg-[#ea6c73] inline-block"></span> STATUS: DISCONNECTED';return}this.reconnecting=!0,this.reconnectAttempts++,this.terminal.writeln(\`\\x1B[33m[*] 正在尝试恢复连接 (\${this.reconnectAttempts}/\${this.maxReconnectAttempts})...\\x1B[0m\`),setTimeout(()=>{this.connect(this.config,this.roamId)},2e3)}async connect(e,p){p||(this.config=e,this.reconnectAttempts=0,this.roamId=null);const x=new URL(window.location.href);return x.protocol=x.protocol==="https:"?"wss:":"ws:",x.pathname="/api/ssh",new Promise((m,R)=>{this.ws=new WebSocket(x.toString()),this.ws.onopen=()=>{var a;p||this.terminal.writeln("\\x1B[32m[+] WebSocket connected, sending credentials...\\x1B[0m");const i=p?{roamId:p}:{host:e.host,port:e.port,username:e.username,password:e.password,authMethod:e.authMethod,privateKey:e.privateKey};(a=this.ws)==null||a.send(JSON.stringify(i)),p&&(this.reconnectAttempts=0,this.reconnecting=!1),m()},this.ws.onerror=()=>{this.reconnecting||R(new Error("WebSocket connection failed"))},this.ws.onclose=()=>{!this.reconnecting&&this.roamId?this.attemptReconnect():this.reconnecting||(this.terminal.writeln("\\x1B[31m[-] 连接已关闭\\x1B[0m"),document.getElementById("status-text").innerHTML='<span class="w-2 h-2 bg-[#353534] inline-block"></span> STATUS: OFFLINE')};const b=new Fn(i=>this.terminal.write(i),i=>{var a;((a=this.ws)==null?void 0:a.readyState)===WebSocket.OPEN&&this.ws.send(i)});this.ws.onmessage=i=>{if(typeof i.data=="string")try{const a=JSON.parse(i.data);switch(a.type){case"roamId":this.roamId=a.roamId;break;case"status":this.terminal.writeln(\`\\x1B[32m[*] \${a.message}\\x1B[0m\`),(a.message==="认证成功"||a.message==="会话已恢复")&&(document.getElementById("status-text").innerHTML='<span class="w-2 h-2 bg-[#4af626] inline-block animate-pulse"></span> STATUS: ONLINE');break;case"error":this.terminal.writeln(\`\\x1B[31m[!] \${a.message}\\x1B[0m\`);break}}catch{this.terminal.write(i.data)}else{const a=new FileReader;a.onload=()=>{b.consume(a.result)},a.readAsArrayBuffer(i.data)}},this.ws.onclose=i=>{this.terminal.writeln
Line truncated
      <form class="space-y-6" id="connection-form">
        <div class="grid grid-cols-4 gap-4">
          <div class="col-span-3">
@@ -73,13 +148,26 @@ WARNING: This link could potentially be dangerous\`)){const s=window.open();if(s
          </div>
        </div>
        <div>
-          <label class="block text-xs font-bold tracking-[0.1em] text-[#bbccb0] mb-2">AUTH_KEY</label>
-          <div class="flex items-center">
-            <span class="material-symbols-outlined text-[#bbccb0] mr-2" style="font-size: 16px;">key</span>
-            <input id="password" class="terminal-input text-[13px]" placeholder="••••••••" type="password" required>
+          <label class="block text-xs font-bold tracking-[0.1em] text-[#bbccb0] mb-2">AUTH_METHOD</label>
+          <div class="flex gap-2 mb-3">
+            <button type="button" id="auth-tab-password" class="auth-tab px-3 py-1 text-[11px] font-bold tracking-[0.1em] border border-[#4af626] text-[#4af626] bg-transparent cursor-pointer transition-all" style="background:#4af626;color:#0a0a0a;">PASSWORD</button>
+            <button type="button" id="auth-tab-key" class="auth-tab px-3 py-1 text-[11px] font-bold tracking-[0.1em] border border-[#3c4b36] text-[#bbccb0] bg-transparent cursor-pointer transition-all">PRIVATE_KEY</button>
+          </div>
+          <div id="auth-password-section">
+            <div class="flex items-center">
+              <span class="material-symbols-outlined text-[#bbccb0] mr-2" style="font-size: 16px;">key</span>
+              <input id="password" class="terminal-input text-[13px]" placeholder="••••••••" type="password">
+            </div>
+          </div>
+          <div id="auth-key-section" style="display:none;">
+            <textarea id="private-key" class="terminal-input text-[11px] w-full" rows="5" placeholder="-----BEGIN OPENSSH PRIVATE KEY-----&#10;...粘贴 Ed25519 私钥内容...&#10;-----END OPENSSH PRIVATE KEY-----" style="resize:vertical;border:1px solid #3c4b36;padding:8px;"></textarea>
          </div>
        </div>
-        <div class="pt-6">
+        <div class="flex items-center gap-2 mt-2">
+          <input type="checkbox" id="remember-me" class="accent-[#4af626] w-4 h-4 cursor-pointer">
+          <label for="remember-me" class="text-xs text-[#bbccb0] cursor-pointer select-none">REMEMBER_CONNECTION</label>
+        </div>
+        <div class="pt-4">
          <button id="connect-btn" class="cyber-button w-full py-3 px-4 text-xs font-bold tracking-[0.1em] uppercase flex items-center justify-center gap-2 bg-[#4af626] text-[#022100]" type="button">
            <span class="material-symbols-outlined" style="font-size: 18px;">power_settings_new</span>
            Execute_Connection
@@ -91,7 +179,7 @@ WARNING: This link could potentially be dangerous\`)){const s=window.open();if(s
          </span>
        </div>
      </form>
-    \`,document.getElementById("connect-btn").addEventListener("click",()=>{this.handleConnect()}),document.getElementById("connection-form").addEventListener("keypress",J=>{J.key==="Enter"&&this.handleConnect()})}async handleConnect(){const K=document.getElementById("host").value,J=parseInt(document.getElementById("port").value||"22"),G=document.getElementById("username").value,j=document.getElementById("password").value;if(!K||!G||!j){alert("请填写所有必填字段");return}const V=document.getElementById("auth-section"),A=document.getElementById("terminal-section");V.classList.add("hidden"),A.classList.remove("hidden"),A.classList.add("flex"),document.getElementById("term-host").textContent="Host: "+K,document.getElementById("term-user").textContent="User: "+G,document.getElementById("term-port").textContent="Port: "+J,this.terminal.mount();try{await this.terminal.connect({host:K,port:J,username:G,password:j})}catch{A.classList.add("hidden"),A.classList.remove("flex"),V.classList.remove("hidden"),document.getElementById("status-text").innerHTML='<span class="w-2 h-2 bg-[#353534] inline-block"></span> STATUS: OFFLINE'}}}const ke=new Pe("terminal-container");new Ie(ke);var ye;(ye=document.getElementById("disconnect-btn"))==null||ye.addEventListener("click",()=>{ke.disconnect();const Q=document.getElementById("terminal-section");Q.classList.add("hidden"),Q.classList.remove("flex"),document.getElementById("auth-section").classList.remove("hidden"),document.getElementById("status-text").innerHTML='<span class="w-2 h-2 bg-[#353534] inline-block"></span> STATUS: OFFLINE'});const we=document.getElementById("copyright-year");we&&(we.textContent=new Date().getFullYear().toString());
+    \`,document.getElementById("connect-btn").addEventListener("click",()=>{this.handleConnect()}),document.getElementById("connection-form").addEventListener("keypress",p=>{p.key==="Enter"&&this.handleConnect()}),document.getElementById("auth-tab-password").addEventListener("click",()=>{this.setAuthMode("password")}),document.getElementById("auth-tab-key").addEventListener("click",()=>{this.setAuthMode("key")})}setAuthMode(e){this.authMode=e;const p=document.getElementById("auth-tab-password"),x=document.getElementById("auth-tab-key"),m=document.getElementById("auth-password-section"),R=document.getElementById("auth-key-section");e==="password"?(p.style.background="#4af626",p.style.color="#0a0a0a",p.style.borderColor="#4af626",x.style.background="transparent",x.style.color="#bbccb0",x.style.borderColor="#3c4b36",m.style.display="",R.style.display="none"):(x.style.background="#4af626",x.style.color="#0a0a0a",x.style.borderColor="#4af626",p.style.background="transparent",p.style.color="#bbccb0",p.style.borderColor="#3c4b36",R.style.display="",m.style.display="none")}async loadSavedCredentials(){const e=localStorage.getItem("cloudssh_cred");if(!e)return;const p=await Wn(e);if(!p){localStorage.removeItem("cloudssh_cred");return}document.getElementById("host").value=p.host||"",document.getElementById("port").value=p.port||"22",document.getElementById("username").value=p.username||"",document.getElementById("password").value=p.password||"",document.getElementById("private-key").value=p.privateKey||"",document.getElementById("remember-me").checked=!0,p.authMethod==="key"?this.setAuthMode("key"):this.setAuthMode("password")}async handleConnect(){const e=document.getElementById("host").value,p=parseInt(document.getElementById("port").value||"22"),x=document.getElementById("username").value,m=document.getElementById("password").value,R=document.getElementById("private-key").value,b=document.getElementById("remember-me").checked;if(!e||!x){alert("请填写主机名和用户名");return}if(this.authMode==="password"&&!m){alert("请输入密码");return}if(this.authMode==="key"&&!R){alert("请粘贴私钥内容");return}if(b){const l=await Nn({host:e,port:p.toString(),username:x,password:m,privateKey:R,authMethod:this.authMode==="key"?"publickey":"password"});localStorage.setItem("cloudssh_cred",l)}else localStorage.removeItem("cloudssh_cred");const i=document.getElementById("auth-section"),a=document.getElementById("terminal-section");i.classList.add("hidden"),a.classList.remove("hidden"),a.classList.add("flex"),document.getElementById("term-host").textContent="Host: "+e,document.getElementById("term-user").textContent="User: "+x,document.getElementById("term-port").textContent="Port: "+p,this.terminal.mount();try{await this.terminal.connect({host:e,port:p,username:x,password:m,authMethod:this.authMode==="key"?"publickey":"password",privateKey:R})}catch{a.classList.add("hidden"),a.classList.remove("flex"),i.classList.remove("hidden"),document.getElementById("status-text").innerHTML='<span class="w-2 h-2 bg-[#353534] inline-block"></span> STATUS: OFFLINE'}}}const li=new Hn("terminal-container");new $n(li);var ns;(ns=document.getElementById("disconnect-btn"))==null||ns.addEventListener("click",()=>{li.disconnect();const r=document.getElementById("terminal-section");r.classList.add("hidden"),r.classList.remove("flex"),document.getElementById("auth-section").classList.remove("hidden"),document.getElementById("status-text").innerHTML='<span class="w-2 h-2 bg-[#353534] inline-block"></span> STATUS: OFFLINE'});var os;(os=document.getElementById("theme-selector"))==null||os.addEventListener("change",r=>{const e=r.target.value;li.setTheme(e)});const ts=document.getElementById("copyright-year");ts&&(ts.textContent=new Date().getFullYear().toString());
 </script>
  <style>*{margin:0;padding:0;box-sizing:border-box}body{font-family:JetBrains Mono,monospace;background-color:#0a0a0a;color:#4af626;min-height:100vh;overflow:hidden}.scanlines{position:fixed;top:0;left:0;width:100vw;height:100vh;background:linear-gradient(to bottom,#fff0,#fff0 50%,#0000001a 50%,#0000001a);background-size:100% 4px;pointer-events:none;z-index:50}.flicker{animation:flicker .15s infinite;pointer-events:none;position:fixed;top:0;left:0;width:100%;height:100%;background:#4af62605;z-index:49}@keyframes flicker{0%{opacity:.8}50%{opacity:1}to{opacity:.9}}.terminal-input{background:transparent;border:none;border-bottom:1px solid #3c4b36;color:#4af626;font-family:JetBrains Mono,monospace;padding:8px 0;width:100%;outline:none;transition:border-color .2s}.terminal-input:focus{border-bottom:1px solid #4af626;box-shadow:none}.terminal-input::placeholder{color:#3c4b36}.blinking-cursor:after{content:"█";color:#14d1ff;animation:blink 1s step-end infinite;margin-left:4px;font-size:.9em}@keyframes blink{0%,to{opacity:1}50%{opacity:0}}.cyber-box{background-color:#121212;border:1px solid #1f1f1f}.cyber-button{border:1px solid #4af626;color:#4af626;transition:all .2s ease;position:relative;overflow:hidden;cursor:pointer}.cyber-button:hover{background-color:#4af626;color:#0a0a0a}.cursor-blink{animation:blink 1s step-end infinite}.scanline{background:linear-gradient(to bottom,#fff0,#fff0 50%,#0000001a 50%,#0000001a);background-size:100% 4px}.custom-scrollbar::-webkit-scrollbar{width:8px}.custom-scrollbar::-webkit-scrollbar-track{background:#1c1b1b80}.custom-scrollbar::-webkit-scrollbar-thumb{background:#3c4b36cc;border-radius:4px}.custom-scrollbar::-webkit-scrollbar-thumb:hover{background:#86957dcc}/**
 * Copyright (c) 2014 The xterm.js authors. All rights reserved.
@@ -160,7 +248,12 @@ WARNING: This link could potentially be dangerous\`)){const s=window.open();if(s
          <h1 class="text-2xl font-bold text-primary-container tracking-tighter cursor-pointer">CloudSSH</h1>
        </div>
        <div class="flex items-center gap-4 text-primary-container">
-          <button id="disconnect-btn" class="hover:opacity-80 transition-opacity cursor-pointer p-1 flex items-center justify-center">
+          <select id="theme-selector" class="bg-surface-variant text-on-surface-variant text-xs py-1 px-2 border-none outline-none cursor-pointer rounded">
+            <option value="cyberpunk">Cyberpunk</option>
+            <option value="glacier">Glacier</option>
+            <option value="gruvbox">Gruvbox</option>
+          </select>
+          <button id="disconnect-btn" class="hover:opacity-80 transition-opacity cursor-pointer p-1 flex items-center justify-center" title="Disconnect">
            <span class="material-symbols-outlined" style="font-variation-settings: 'FILL' 0;">power_settings_new</span>
          </button>
        </div>
@@ -3,11 +3,32 @@ import { HTML } from './html';

 export { SSHSessionDO } from './durable-object';

+// --- Rate Limiting (per-edge-node, best-effort) ---
+const rateLimitMap = new Map<string, { count: number; resetTime: number }>();
+const RATE_LIMIT_MAX = 10;      // max requests per window
+const RATE_LIMIT_WINDOW = 60000; // 1 minute window
+
+function isRateLimited(ip: string): boolean {
+  const now = Date.now();
+  const entry = rateLimitMap.get(ip);
+  if (!entry || now > entry.resetTime) {
+    rateLimitMap.set(ip, { count: 1, resetTime: now + RATE_LIMIT_WINDOW });
+    return false;
+  }
+  entry.count++;
+  return entry.count > RATE_LIMIT_MAX;
+}
+
 export default {
  async fetch(request: Request, env: Env): Promise<Response> {
    const url = new URL(request.url);

    if (url.pathname === '/api/ssh') {
+      // Apply rate limiting
+      const clientIP = request.headers.get('CF-Connecting-IP') || 'unknown';
+      if (isRateLimited(clientIP)) {
+        return new Response('Too Many Requests', { status: 429 });
+      }
      return handleSSHConnection(request, env);
    }

@@ -64,20 +64,41 @@ export class SSHSession {

  private state: 'connecting' | 'version' | 'kex' | 'auth' | 'shell' | 'ready'
    = 'connecting';
+  private hostKeyFingerprint: string = '';

  private versionRawBuffer: Uint8Array = new Uint8Array(0);
  private negotiatedCipherC2S: string = 'aes256-gcm@openssh.com';
  private negotiatedCipherS2C: string = 'aes256-gcm@openssh.com';

-  constructor(ws: WebSocket, socket: any, config: SSHConnectionConfig) {
+  public readonly roamId: string;
+
+  constructor(
+    ws: WebSocket,
+    socket: any,
+    config: SSHConnectionConfig
+  ) {
    this.ws = ws;
    this.socket = socket;
    this.config = config;
+    this.roamId = crypto.randomUUID();
+
    this.transport = new SSHTransport();
    this.packetParser = new SSHPacketParser();
    this.channel = new SSHChannel();
  }

+  updateWebSocket(ws: WebSocket): void {
+    this.ws = ws;
+    try {
+      this.ws.send(JSON.stringify({ type: 'roamId', roamId: this.roamId }));
+    } catch {}
+    if (this.state === 'ready') {
+      try {
+        this.ws.send(JSON.stringify({ type: 'status', message: '会话已恢复' }));
+      } catch {}
+    }
+  }
+
  async startHandshake(): Promise<void> {
    this.sendStatus('正在交换版本信息...');
    this.state = 'version';
@@ -335,6 +356,7 @@ export class SSHSession {

        await this.enableEncryption();
        this.sendDebug('Encryption enabled');
+
        this.state = 'auth';
        try {
          await this.sendServiceRequest();
@@ -383,6 +405,12 @@ export class SSHSession {
    const hHex = Array.from(H).map(b => b.toString(16).padStart(2, '0')).join('');
    this.sendDebug(`Exchange hash H=${hHex}`);

+    // Compute host key fingerprint (SHA-256)
+    const fpHash = new Uint8Array(await crypto.subtle.digest('SHA-256', hostKey));
+    this.hostKeyFingerprint = 'SHA256:' + btoa(String.fromCharCode(...fpHash)).replace(/=+$/, '');
+    this.sendStatus(`服务器指纹: ${this.hostKeyFingerprint}`);
+    this.sendDebug(`Host key fingerprint: ${this.hostKeyFingerprint}`);
+
    // Verify host key signature to confirm exchange hash is correct
    try {
      const sigVerified = await this.verifyHostKeySignature(hostKey, signature, H);
@@ -570,10 +598,21 @@ export class SSHSession {
  }

  private async authenticate(): Promise<void> {
-    const authRequest = SSHAuth.buildPasswordAuthRequest(
-      this.config.username,
-      this.config.password
-    );
+    let authRequest: Uint8Array;
+
+    if (this.config.authMethod === 'publickey' && this.config.privateKey) {
+      this.sendStatus('正在使用密钥认证...');
+      authRequest = await SSHAuth.buildPublicKeyAuthRequest(
+        this.config.username,
+        this.config.privateKey,
+        this.sessionID!
+      );
+    } else {
+      authRequest = SSHAuth.buildPasswordAuthRequest(
+        this.config.username,
+        this.config.password
+      );
+    }

    const packet = await SSHPacketBuilder.build(
      authRequest, 16,