mirror of
https://github.com/hansjone/netx.git
synced 2026-10-08 23:33:21 +08:00
oliver
6ea14e6d5e
ZTE tab redraws the input line via carriage return; parse the last prompt line from PTY stdout on Enter instead of stdin keystrokes. Also remove remaining ?? in AuditPage. Co-authored-by: Cursor <cursoragent@cursor.com>
1061 lines
34 KiB
TypeScript
1061 lines
34 KiB
TypeScript
import { forwardRef, useEffect, useImperativeHandle, useRef, useState } from "react";
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import { FitAddon } from "@xterm/addon-fit";
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import { Terminal } from "@xterm/xterm";
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import "@xterm/xterm/css/xterm.css";
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import { useI18n } from "../i18n";
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import { webcrtWsUrl } from "../services/api";
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import {
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applyKeywordHighlight,
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type KeywordHighlightConfig,
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} from "../utils/webcrtKeywordHighlight";
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import { readClipboardText, writeClipboardText } from "../utils/clipboard";
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export type WebTerminalHandle = {
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clear: () => void;
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copyAll: () => Promise<string>;
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copySelection: () => Promise<string>;
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getText: () => string;
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fit: () => void;
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focus: () => void;
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sendBreak: () => void;
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sendText: (data: string, opts?: { throttle?: boolean }) => void;
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findNext: (term: string) => void;
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findPrevious: (term: string) => void;
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};
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export type TermColors = {
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background: string;
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foreground: string;
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};
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const DEFAULT_TERM_COLORS: TermColors = {
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background: "#0b1220",
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foreground: "#e2e8f0",
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};
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function normalizeHex(hex: string, fallback: string): string {
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const m = /^#?([0-9a-fA-F]{6})$/.exec(String(hex || "").trim());
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return m ? `#${m[1].toLowerCase()}` : fallback;
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}
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function hexLuminance(hex: string): number {
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const n = normalizeHex(hex, "#000000").slice(1);
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const r = parseInt(n.slice(0, 2), 16) / 255;
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const g = parseInt(n.slice(2, 4), 16) / 255;
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const b = parseInt(n.slice(4, 6), 16) / 255;
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return 0.2126 * r + 0.7152 * g + 0.0722 * b;
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}
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function xtermThemeFromColors(colors: TermColors) {
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const background = normalizeHex(colors.background, DEFAULT_TERM_COLORS.background);
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const foreground = normalizeHex(colors.foreground, DEFAULT_TERM_COLORS.foreground);
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return {
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background,
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foreground,
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cursor: foreground,
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selectionBackground: hexLuminance(background) < 0.5 ? "#334155" : "#93c5fd",
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};
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}
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type Props = {
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/** Mint a fresh ws_ticket on every mount when set (preferred). */
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sessionId?: string;
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/** Fallback URL; prefer sessionId so tab focus does not reuse a spent ticket. */
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wsUrl?: string;
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title?: string;
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recording?: boolean;
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autoFocus?: boolean;
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encoding?: string;
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fontSize?: number;
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/** Terminal background / foreground (overrides legacy themeName). */
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termColors?: TermColors;
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/** @deprecated use termColors */
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themeName?: "dark" | "light";
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pasteDelayMs?: number;
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copyOnSelect?: boolean;
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keywordHighlight?: KeywordHighlightConfig;
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onStatus?: (
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state: string,
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message?: string,
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phase?: string,
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meta?: { sftpReady?: boolean; cliHop?: boolean },
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) => void;
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onReady?: () => void;
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onStdout?: (data: string) => void;
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/** Seed text when mounting (frozen view after disconnect, or pre-WS buffer). */
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initialOutput?: string;
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};
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function stripAnsi(text: string): string {
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return text.replace(/\x1b\[[0-9;?]*[A-Za-z]|\x1b\][^\x07]*(\x07|$)|\x1b./g, "");
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}
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/** Visible xterm row on Enter — keep device prompt prefix, drop ANSI only. */
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export function normalizeAuditLine(line: string): string {
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return stripAnsi(line).replace(/\r/g, "").replace(/\s+$/, "");
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}
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function currentCommandLine(term: Terminal): string {
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const buf = term.buffer.active;
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for (let y = buf.cursorY; y >= Math.max(0, buf.cursorY - 3); y -= 1) {
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const line = buf.getLine(y);
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if (!line) continue;
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const text = normalizeAuditLine(line.translateToString(true));
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if (/[#>\]]\s*\S/.test(text) || /#[^\s]/.test(text)) return text;
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}
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const line = buf.getLine(buf.cursorY);
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if (!line) return "";
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return normalizeAuditLine(line.translateToString(true));
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}
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function auditLineForEnter(term: Terminal | null, explicitLine?: string): string | undefined {
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if (explicitLine != null && explicitLine.trim()) {
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const cmd = normalizeAuditLine(explicitLine);
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return cmd.trim() ? cmd : undefined;
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}
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if (!term) return undefined;
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const cmd = currentCommandLine(term);
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return cmd.trim() ? cmd : undefined;
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}
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function serializeTerminal(term: Terminal): string {
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const buf = term.buffer.active;
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const lines: string[] = [];
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for (let i = 0; i < buf.length; i += 1) {
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const line = buf.getLine(i);
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if (!line) continue;
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lines.push(line.translateToString(true));
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}
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return lines.join("\n").replace(/\s+$/g, "");
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}
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/** Line-wise search — avoids serializing the full scrollback on every Find. */
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function findBufferLine(
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term: Terminal,
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query: string,
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startLine: number,
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direction: 1 | -1,
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): number {
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const needle = String(query || "").toLowerCase();
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if (!needle) return -1;
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const buf = term.buffer.active;
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const len = buf.length;
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if (len <= 0) return -1;
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const start = ((Math.trunc(startLine) % len) + len) % len;
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for (let step = 0; step < len; step += 1) {
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const i = direction > 0 ? (start + step) % len : (start - step + len) % len;
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const line = buf.getLine(i);
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if (!line) continue;
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if (line.translateToString(true).toLowerCase().includes(needle)) return i;
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}
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return -1;
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}
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function isSidebarSearchTarget(target: EventTarget | null): boolean {
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if (!(target instanceof HTMLElement)) return false;
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if (target.tagName === "INPUT" || target.tagName === "TEXTAREA" || target.tagName === "SELECT") {
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if (target.classList.contains("xterm-helper-textarea")) return false;
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return true;
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}
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return Boolean(target.closest(".webcrt-sidebar__search") || target.closest(".webcrt-ctx") || target.closest(".webcrt-find"));
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}
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function isXtermTextarea(target: EventTarget | null): boolean {
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return target instanceof HTMLElement && target.classList.contains("xterm-helper-textarea");
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}
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/** Map a browser key event to the bytes xterm/onData would normally emit. */
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function keyEventToStdin(e: KeyboardEvent): string | null {
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if (e.ctrlKey || e.altKey || e.metaKey) return null;
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if (e.key === "Backspace") return "\x08";
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if (e.key === "Enter") return "\r";
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if (e.key === "Tab") return "\t";
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if (e.key === "Escape") return "\x1b";
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if (e.key === "ArrowUp") return "\x1b[A";
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if (e.key === "ArrowDown") return "\x1b[B";
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if (e.key === "ArrowRight") return "\x1b[C";
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if (e.key === "ArrowLeft") return "\x1b[D";
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if (e.key === "Home") return "\x1b[H";
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if (e.key === "End") return "\x1b[F";
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if (e.key === "Delete") return "\x1b[3~";
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if (e.key.length === 1) return e.key;
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return null;
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}
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function decodeBytes(buf: ArrayBuffer, _encoding: string): string {
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// Server normalizes device encodings (e.g. GBK) to UTF-8 on the wire.
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try {
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return new TextDecoder("utf-8").decode(buf);
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} catch {
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return "";
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}
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}
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const PREF_KEY = "netx.webcrt.termPrefs";
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function loadPrefs(): { copyOnSelect: boolean; pasteDelayMs: number } {
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try {
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const raw = localStorage.getItem(PREF_KEY);
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if (!raw) return { copyOnSelect: true, pasteDelayMs: 40 };
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const j = JSON.parse(raw) as Partial<{ copyOnSelect: boolean; pasteDelayMs: number }>;
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return {
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copyOnSelect: j.copyOnSelect !== false,
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pasteDelayMs: Math.max(0, Math.min(200, Number(j.pasteDelayMs) || 40)),
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};
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} catch {
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return { copyOnSelect: true, pasteDelayMs: 40 };
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}
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}
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export const WebTerminal = forwardRef<WebTerminalHandle, Props>(function WebTerminal(
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{
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wsUrl,
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sessionId,
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title: _title,
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recording: _recording,
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autoFocus = true,
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encoding = "utf-8",
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fontSize = 13,
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termColors,
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themeName = "dark",
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pasteDelayMs,
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copyOnSelect,
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keywordHighlight,
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onStatus,
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onReady,
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onStdout,
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initialOutput,
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},
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ref,
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) {
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const { t } = useI18n();
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const tRef = useRef(t);
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tRef.current = t;
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const resolvedColors: TermColors = termColors ||
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(themeName === "light"
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? { background: "#ffffff", foreground: "#000000" }
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: DEFAULT_TERM_COLORS);
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const hostRef = useRef<HTMLDivElement | null>(null);
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const termRef = useRef<Terminal | null>(null);
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const fitRef = useRef<FitAddon | null>(null);
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const wsRef = useRef<WebSocket | null>(null);
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const findLineRef = useRef(-1);
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const onStatusRef = useRef(onStatus);
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const onReadyRef = useRef(onReady);
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const onStdoutRef = useRef(onStdout);
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const autoFocusRef = useRef(autoFocus);
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const encodingRef = useRef(encoding);
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const fontSizeRef = useRef(Math.max(10, Math.min(28, Number(fontSize) || 13)));
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const termColorsRef = useRef<TermColors>(resolvedColors);
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const pasteDelayRef = useRef(pasteDelayMs ?? loadPrefs().pasteDelayMs);
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const copyOnSelectRef = useRef(copyOnSelect ?? loadPrefs().copyOnSelect);
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const pasteQueueRef = useRef<Promise<void>>(Promise.resolve());
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/** Updated whenever device stdout arrives; used to pace paste by echo, not fixed sleep. */
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const lastStdoutAtRef = useRef(0);
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/** Snapshot selection when opening the context menu — click on menu clears xterm selection. */
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const menuSelectionRef = useRef("");
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const keywordHighlightRef = useRef(keywordHighlight);
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const [ctxMenu, setCtxMenu] = useState<{ x: number; y: number } | null>(null);
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const [clipStatus, setClipStatus] = useState<string | null>(null);
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const [findOpen, setFindOpen] = useState(false);
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const [findQuery, setFindQuery] = useState("");
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const [pasteStatus, setPasteStatus] = useState<{ done: number; total: number } | null>(null);
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const [pasteBridgeOpen, setPasteBridgeOpen] = useState(false);
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const pasteBridgeRef = useRef<HTMLTextAreaElement | null>(null);
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const pasteBridgeOpenRef = useRef(false);
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pasteBridgeOpenRef.current = pasteBridgeOpen;
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const findInputRef = useRef<HTMLInputElement | null>(null);
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useEffect(() => {
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onStatusRef.current = onStatus;
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onReadyRef.current = onReady;
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onStdoutRef.current = onStdout;
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}, [onStatus, onReady, onStdout]);
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useEffect(() => {
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autoFocusRef.current = autoFocus;
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}, [autoFocus]);
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useEffect(() => {
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encodingRef.current = encoding;
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}, [encoding]);
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useEffect(() => {
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fontSizeRef.current = Math.max(10, Math.min(28, Number(fontSize) || 13));
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const term = termRef.current;
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if (!term) return;
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term.options.fontSize = fontSizeRef.current;
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try {
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fitRef.current?.fit();
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} catch {
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/* ignore */
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}
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}, [fontSize]);
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useEffect(() => {
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termColorsRef.current = resolvedColors;
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const term = termRef.current;
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if (!term) return;
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term.options.theme = xtermThemeFromColors(resolvedColors);
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}, [resolvedColors.background, resolvedColors.foreground]);
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useEffect(() => {
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if (pasteDelayMs != null) pasteDelayRef.current = pasteDelayMs;
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}, [pasteDelayMs]);
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useEffect(() => {
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if (copyOnSelect != null) copyOnSelectRef.current = copyOnSelect;
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}, [copyOnSelect]);
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keywordHighlightRef.current = keywordHighlight;
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const focusTerminal = () => {
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try {
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termRef.current?.focus();
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} catch {
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/* ignore */
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}
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};
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const sendJson = (payload: Record<string, unknown>) => {
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const ws = wsRef.current;
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if (ws && ws.readyState === WebSocket.OPEN) {
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ws.send(JSON.stringify(payload));
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}
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};
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const sendStdinWithAudit = (data: string, explicitAuditLine?: string) => {
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if (!data) return;
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const payload: Record<string, unknown> = { type: "stdin", data };
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if (data.includes("\r") || data.includes("\n")) {
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const auditLine = auditLineForEnter(termRef.current, explicitAuditLine);
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if (auditLine) payload.audit_line = auditLine.slice(0, 512);
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}
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sendJson(payload);
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};
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const sendStdinImmediate = (data: string) => {
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sendStdinWithAudit(data);
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};
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/** Wait until device echoes (stdout after sentAt) or maxMs elapses — whichever first. */
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const waitForEchoOrTimeout = (maxMs: number, sentAt: number) =>
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new Promise<void>((resolve) => {
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if (maxMs <= 0) {
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resolve();
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return;
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}
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const started = performance.now();
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const tick = () => {
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if (lastStdoutAtRef.current >= sentAt) {
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// Brief settle so multi-chunk echoes finish before the next line.
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window.setTimeout(resolve, 2);
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return;
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}
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if (performance.now() - started >= maxMs) {
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resolve();
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return;
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}
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window.setTimeout(tick, 2);
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};
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tick();
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});
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/**
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* Line-by-line paste paced by device echo.
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* pasteDelayMs is a *maximum* wait per line; fast responses advance immediately.
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*/
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const sendStdinThrottled = (data: string, explicitAuditLine?: string) => {
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if (!data) return;
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const maxDelay = pasteDelayRef.current;
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if (maxDelay <= 0 || data.length < 8) {
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sendStdinWithAudit(data, explicitAuditLine);
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return;
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}
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pasteQueueRef.current = pasteQueueRef.current.then(async () => {
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const lines = data.replace(/\r\n/g, "\n").replace(/\r/g, "\n").split("\n");
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const total = Math.max(1, lines.length);
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setPasteStatus({ done: 0, total });
|
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try {
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for (let i = 0; i < lines.length; i += 1) {
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const line = lines[i];
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const chunk = i < lines.length - 1 ? `${line}\r` : line;
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const sentAt = performance.now();
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if (chunk) sendStdinWithAudit(chunk, line.trim() || undefined);
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setPasteStatus({ done: i + 1, total });
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if (i < lines.length - 1) {
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await waitForEchoOrTimeout(maxDelay, sentAt);
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}
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}
|
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} finally {
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setPasteStatus(null);
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}
|
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});
|
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};
|
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|
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useImperativeHandle(ref, () => ({
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clear: () => {
|
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termRef.current?.clear();
|
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termRef.current?.write("\x1b[H\x1b[2J");
|
||
},
|
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copyAll: async () => {
|
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const text = termRef.current ? serializeTerminal(termRef.current) : "";
|
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if (text) await writeClipboardText(text);
|
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return text;
|
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},
|
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copySelection: async () => {
|
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const text = termRef.current?.getSelection() || "";
|
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if (text) await writeClipboardText(text);
|
||
return text;
|
||
},
|
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getText: () => (termRef.current ? serializeTerminal(termRef.current) : ""),
|
||
fit: () => {
|
||
try {
|
||
fitRef.current?.fit();
|
||
} catch {
|
||
/* ignore */
|
||
}
|
||
},
|
||
focus: focusTerminal,
|
||
sendBreak: () => sendJson({ type: "break" }),
|
||
sendText: (data: string, opts?: { throttle?: boolean }) => {
|
||
if (opts?.throttle) sendStdinThrottled(data);
|
||
else sendStdinImmediate(data);
|
||
},
|
||
findNext: (q: string) => {
|
||
const term = termRef.current;
|
||
if (!term || !q) return;
|
||
const hit = findBufferLine(term, q, findLineRef.current + 1, 1);
|
||
if (hit >= 0) {
|
||
findLineRef.current = hit;
|
||
term.scrollToLine(Math.max(0, hit - 2));
|
||
}
|
||
},
|
||
findPrevious: (q: string) => {
|
||
const term = termRef.current;
|
||
if (!term || !q) return;
|
||
const hit = findBufferLine(term, q, Math.max(0, findLineRef.current) - 1, -1);
|
||
if (hit >= 0) {
|
||
findLineRef.current = hit;
|
||
term.scrollToLine(Math.max(0, hit - 2));
|
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}
|
||
},
|
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}));
|
||
|
||
useEffect(() => {
|
||
const host = hostRef.current;
|
||
if (!host) return;
|
||
const live = Boolean(sessionId || wsUrl);
|
||
const seed = String(initialOutput || "");
|
||
if (!live && !seed.trim()) return;
|
||
|
||
const term = new Terminal({
|
||
cursorBlink: live,
|
||
disableStdin: !live,
|
||
fontSize: fontSizeRef.current,
|
||
fontFamily: 'Consolas, "Courier New", monospace',
|
||
// Lower than CRT-style 10k: remounts + multi-tab stay lighter; server replays log tail on attach.
|
||
scrollback: 4000,
|
||
theme: xtermThemeFromColors(termColorsRef.current),
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||
convertEol: true,
|
||
});
|
||
const fit = new FitAddon();
|
||
term.loadAddon(fit);
|
||
term.open(host);
|
||
termRef.current = term;
|
||
fitRef.current = fit;
|
||
|
||
const doFit = () => {
|
||
try {
|
||
fit.fit();
|
||
} catch {
|
||
/* ignore */
|
||
}
|
||
};
|
||
const maybeFocus = () => {
|
||
if (!autoFocusRef.current) return;
|
||
focusTerminal();
|
||
};
|
||
maybeFocus();
|
||
requestAnimationFrame(() => {
|
||
doFit();
|
||
maybeFocus();
|
||
window.setTimeout(() => {
|
||
doFit();
|
||
maybeFocus();
|
||
}, 50);
|
||
});
|
||
|
||
if (seed) {
|
||
term.write(applyKeywordHighlight(seed.endsWith("\n") ? seed : `${seed}\n`, keywordHighlightRef.current));
|
||
}
|
||
|
||
// Frozen transcript after disconnect / login failure — no WebSocket.
|
||
// Do not emit onStatus("closed"/"error"): parent already owns that state;
|
||
// re-emitting would bump termEpoch and remount in a loop.
|
||
if (!live) {
|
||
onReadyRef.current?.();
|
||
return () => {
|
||
try {
|
||
term.dispose();
|
||
} catch {
|
||
/* ignore */
|
||
}
|
||
termRef.current = null;
|
||
fitRef.current = null;
|
||
};
|
||
}
|
||
|
||
// Guard against React StrictMode remount: the first WS teardown must not
|
||
// report closed/error after a newer socket owns the terminal.
|
||
let cancelled = false;
|
||
let ws: WebSocket | null = null;
|
||
// Server sends status:error then close(4502); ignore the close code so UI keeps the real reason.
|
||
let terminalFailureReported = false;
|
||
onStatusRef.current?.("connecting");
|
||
|
||
const isActiveSocket = () => !cancelled && !!ws && wsRef.current === ws;
|
||
|
||
// Coalesce high-rate stdout into one paint frame to cut xterm write churn.
|
||
let writeBuf = "";
|
||
let writeRaf = 0;
|
||
const flushWriteBuf = () => {
|
||
writeRaf = 0;
|
||
const chunk = writeBuf;
|
||
writeBuf = "";
|
||
if (!chunk || cancelled) return;
|
||
term.write(applyKeywordHighlight(chunk, keywordHighlightRef.current));
|
||
};
|
||
const writeStdout = (raw: string) => {
|
||
if (!raw || !isActiveSocket()) return;
|
||
lastStdoutAtRef.current = performance.now();
|
||
// Always forward to parent (log buffer / frozen failure transcript); recording flag only gates download.
|
||
onStdoutRef.current?.(raw);
|
||
writeBuf += raw;
|
||
if (writeBuf.length >= 16384) {
|
||
if (writeRaf) {
|
||
cancelAnimationFrame(writeRaf);
|
||
writeRaf = 0;
|
||
}
|
||
flushWriteBuf();
|
||
return;
|
||
}
|
||
if (!writeRaf) {
|
||
writeRaf = requestAnimationFrame(flushWriteBuf);
|
||
}
|
||
};
|
||
|
||
const sendResize = () => {
|
||
if (!isActiveSocket()) return;
|
||
doFit();
|
||
sendJson({ type: "resize", cols: term.cols, rows: term.rows });
|
||
};
|
||
|
||
const attachHandlers = (socket: WebSocket) => {
|
||
socket.onopen = () => {
|
||
if (!isActiveSocket()) return;
|
||
onStatusRef.current?.("open");
|
||
sendResize();
|
||
onReadyRef.current?.();
|
||
window.setTimeout(maybeFocus, 30);
|
||
};
|
||
|
||
socket.onmessage = (ev) => {
|
||
if (!isActiveSocket()) return;
|
||
if (ev.data instanceof ArrayBuffer) {
|
||
writeStdout(decodeBytes(ev.data, encodingRef.current));
|
||
maybeFocus();
|
||
return;
|
||
}
|
||
if (typeof Blob !== "undefined" && ev.data instanceof Blob) {
|
||
void ev.data.arrayBuffer().then((buf) => {
|
||
if (!isActiveSocket()) return;
|
||
writeStdout(decodeBytes(buf, encodingRef.current));
|
||
maybeFocus();
|
||
});
|
||
return;
|
||
}
|
||
try {
|
||
const msg = JSON.parse(String(ev.data || "{}")) as {
|
||
type?: string;
|
||
data?: string;
|
||
state?: string;
|
||
message?: string;
|
||
phase?: string;
|
||
sftp_ready?: boolean;
|
||
cli_hop?: boolean;
|
||
};
|
||
if (msg.type === "stdout" && typeof msg.data === "string") {
|
||
writeStdout(msg.data);
|
||
maybeFocus();
|
||
return;
|
||
}
|
||
if (msg.type === "status") {
|
||
if (!isActiveSocket()) return;
|
||
const phase = typeof msg.phase === "string" ? msg.phase : undefined;
|
||
const meta =
|
||
typeof msg.sftp_ready === "boolean" || typeof msg.cli_hop === "boolean"
|
||
? {
|
||
sftpReady: typeof msg.sftp_ready === "boolean" ? msg.sftp_ready : undefined,
|
||
cliHop: typeof msg.cli_hop === "boolean" ? msg.cli_hop : undefined,
|
||
}
|
||
: undefined;
|
||
const state = String(msg.state || "");
|
||
if (state === "error" || state === "closed") {
|
||
terminalFailureReported = true;
|
||
}
|
||
onStatusRef.current?.(state, msg.message, phase, meta);
|
||
if (state === "connected" || state === "connecting") {
|
||
maybeFocus();
|
||
return;
|
||
}
|
||
if (state === "warning") {
|
||
const m = String(msg.message || "");
|
||
const dropMatch = /^queue_dropped:(\d+)/i.exec(m);
|
||
if (dropMatch) {
|
||
term.writeln(
|
||
`\r\n\x1b[33m${tRef.current("webcrt.term.outputTruncated", { count: dropMatch[1] })}\x1b[0m`,
|
||
);
|
||
}
|
||
return;
|
||
}
|
||
if (state === "closed" || state === "error") {
|
||
const rawMsg = String(msg.message || "");
|
||
// Device login failures are already live-echoed into the terminal
|
||
// (incl. Netmiko detail). Avoid dumping a second toast-sized blob.
|
||
let detail = "";
|
||
if (rawMsg) {
|
||
if (/connect_failed|NetmikoTimeoutException|TCP connection to device failed/i.test(rawMsg)) {
|
||
const one = rawMsg
|
||
.replace(/^.*connect_failed:/i, "")
|
||
.split("\n---")[0]
|
||
.split("\n")[0]
|
||
.trim()
|
||
.slice(0, 240);
|
||
detail = one ? `: ${one}` : "";
|
||
} else {
|
||
detail = `: ${rawMsg}`;
|
||
}
|
||
}
|
||
term.writeln(
|
||
`\r\n\x1b[33m${tRef.current("webcrt.term.sessionStatus", {
|
||
state,
|
||
detail,
|
||
})}\x1b[0m`,
|
||
);
|
||
}
|
||
return;
|
||
}
|
||
if (msg.type === "pong") return;
|
||
} catch {
|
||
writeStdout(String(ev.data || ""));
|
||
}
|
||
};
|
||
|
||
socket.onerror = () => {
|
||
if (!isActiveSocket()) return;
|
||
terminalFailureReported = true;
|
||
onStatusRef.current?.("error", "websocket_error");
|
||
};
|
||
|
||
socket.onclose = (ev) => {
|
||
// Intentional unmount/remount closes the socket; do not flip UI to "closed".
|
||
if (!isActiveSocket()) return;
|
||
// 45xx = app close after status:error (e.g. connect_timeout → 4502).
|
||
if (terminalFailureReported && ev.code >= 4000 && ev.code < 5000) {
|
||
return;
|
||
}
|
||
onStatusRef.current?.("closed", `websocket_closed:${ev.code}`);
|
||
};
|
||
|
||
};
|
||
|
||
void (async () => {
|
||
let url = String(wsUrl || "").trim();
|
||
if (sessionId) {
|
||
try {
|
||
url = await webcrtWsUrl(sessionId);
|
||
} catch {
|
||
if (!cancelled) onStatusRef.current?.("error", "websocket_error");
|
||
return;
|
||
}
|
||
}
|
||
if (cancelled || !url) {
|
||
if (!cancelled) onStatusRef.current?.("error", "websocket_error");
|
||
return;
|
||
}
|
||
const socket = new WebSocket(url);
|
||
socket.binaryType = "arraybuffer";
|
||
if (cancelled) {
|
||
try {
|
||
socket.close();
|
||
} catch {
|
||
/* ignore */
|
||
}
|
||
return;
|
||
}
|
||
ws = socket;
|
||
wsRef.current = socket;
|
||
attachHandlers(socket);
|
||
})();
|
||
|
||
const dataDisposable = term.onData((data) => {
|
||
const normalized = data.replace(/\x7f/g, "\x08");
|
||
// Capture visible line before Enter moves the cursor to the next row.
|
||
const auditLine =
|
||
normalized.includes("\r") || normalized.includes("\n")
|
||
? auditLineForEnter(term)
|
||
: undefined;
|
||
// Large pastes from xterm arrive as one onData blob.
|
||
if (normalized.length > 32 || normalized.includes("\r") || normalized.includes("\n")) {
|
||
sendStdinThrottled(normalized, auditLine);
|
||
} else {
|
||
sendStdinWithAudit(normalized, auditLine);
|
||
}
|
||
});
|
||
|
||
const selDisposable = term.onSelectionChange(() => {
|
||
if (!copyOnSelectRef.current) return;
|
||
const sel = term.getSelection();
|
||
if (sel) void writeClipboardText(sel).catch(() => undefined);
|
||
});
|
||
|
||
const onKeyDownCapture = (e: KeyboardEvent) => {
|
||
if (!autoFocusRef.current) return;
|
||
if (host.closest("[hidden]")) return;
|
||
if (isSidebarSearchTarget(e.target)) return;
|
||
|
||
if ((e.ctrlKey || e.metaKey) && (e.key === "f" || e.key === "F")) {
|
||
e.preventDefault();
|
||
setFindOpen(true);
|
||
window.setTimeout(() => findInputRef.current?.focus(), 0);
|
||
return;
|
||
}
|
||
|
||
// CRT-style clipboard: Ctrl+Shift+C / Ctrl+Insert copy; Ctrl+Shift+V / Shift+Insert paste.
|
||
const mod = e.ctrlKey || e.metaKey;
|
||
if (mod && e.shiftKey && (e.key === "C" || e.key === "c")) {
|
||
e.preventDefault();
|
||
e.stopPropagation();
|
||
const text = term.getSelection() || "";
|
||
if (text) void writeClipboardText(text).catch(() => undefined);
|
||
return;
|
||
}
|
||
if ((mod && e.shiftKey && (e.key === "V" || e.key === "v")) || (e.shiftKey && e.key === "Insert")) {
|
||
e.preventDefault();
|
||
e.stopPropagation();
|
||
void (async () => {
|
||
const text = await readClipboardText();
|
||
if (text) {
|
||
sendStdinThrottled(text);
|
||
return;
|
||
}
|
||
// http://LAN: Clipboard API blocked — open paste bridge (paste event still works).
|
||
setPasteBridgeOpen(true);
|
||
})();
|
||
return;
|
||
}
|
||
if (mod && e.key === "Insert") {
|
||
e.preventDefault();
|
||
e.stopPropagation();
|
||
const text = term.getSelection() || "";
|
||
if (text) void writeClipboardText(text).catch(() => undefined);
|
||
return;
|
||
}
|
||
|
||
if (e.key === "Backspace") {
|
||
e.preventDefault();
|
||
}
|
||
|
||
if (isXtermTextarea(e.target)) {
|
||
maybeFocus();
|
||
return;
|
||
}
|
||
|
||
const data = keyEventToStdin(e);
|
||
if (data == null) return;
|
||
|
||
e.preventDefault();
|
||
e.stopPropagation();
|
||
maybeFocus();
|
||
sendStdinImmediate(data);
|
||
};
|
||
window.addEventListener("keydown", onKeyDownCapture, true);
|
||
|
||
const onContextMenu = (e: MouseEvent) => {
|
||
e.preventDefault();
|
||
menuSelectionRef.current = term.getSelection() || "";
|
||
setCtxMenu({ x: e.clientX, y: e.clientY });
|
||
};
|
||
host.addEventListener("contextmenu", onContextMenu);
|
||
|
||
const onPasteCapture = (e: ClipboardEvent) => {
|
||
if (pasteBridgeOpenRef.current) return;
|
||
if (!autoFocusRef.current) return;
|
||
if (host.closest("[hidden]")) return;
|
||
if (isSidebarSearchTarget(e.target)) return;
|
||
const text = e.clipboardData?.getData("text") || "";
|
||
if (!text) return;
|
||
// Intercept paste so we always apply delay (even if focus is odd).
|
||
if (document.activeElement === term.textarea || host.contains(document.activeElement) || autoFocusRef.current) {
|
||
e.preventDefault();
|
||
sendStdinThrottled(text);
|
||
maybeFocus();
|
||
}
|
||
};
|
||
window.addEventListener("paste", onPasteCapture, true);
|
||
|
||
const pingTimer = window.setInterval(() => {
|
||
sendJson({ type: "ping" });
|
||
}, 25000);
|
||
|
||
const onWinResize = () => sendResize();
|
||
window.addEventListener("resize", onWinResize);
|
||
|
||
const ro =
|
||
typeof ResizeObserver !== "undefined"
|
||
? new ResizeObserver(() => {
|
||
sendResize();
|
||
})
|
||
: null;
|
||
ro?.observe(host);
|
||
|
||
return () => {
|
||
cancelled = true;
|
||
if (writeRaf) {
|
||
cancelAnimationFrame(writeRaf);
|
||
writeRaf = 0;
|
||
}
|
||
writeBuf = "";
|
||
window.clearInterval(pingTimer);
|
||
window.removeEventListener("resize", onWinResize);
|
||
window.removeEventListener("keydown", onKeyDownCapture, true);
|
||
window.removeEventListener("paste", onPasteCapture, true);
|
||
host.removeEventListener("contextmenu", onContextMenu);
|
||
ro?.disconnect();
|
||
dataDisposable.dispose();
|
||
selDisposable.dispose();
|
||
if (wsRef.current === ws) wsRef.current = null;
|
||
try {
|
||
ws?.close();
|
||
} catch {
|
||
/* ignore */
|
||
}
|
||
term.dispose();
|
||
termRef.current = null;
|
||
fitRef.current = null;
|
||
};
|
||
// Fresh ticket per mount when sessionId is set. Do not re-run when a late
|
||
// parent wsUrl fill-in arrives — that remount dropped the wait-loop WS and
|
||
// left Quick Connect stuck on "authenticating".
|
||
}, [sessionId || wsUrl, initialOutput]);
|
||
|
||
const pasteFromClipboard = async () => {
|
||
setCtxMenu(null);
|
||
const text = await readClipboardText();
|
||
if (text) {
|
||
sendStdinThrottled(text);
|
||
focusTerminal();
|
||
return;
|
||
}
|
||
// Insecure http://IP cannot read clipboard via API — bridge via paste event.
|
||
setPasteBridgeOpen(true);
|
||
};
|
||
|
||
const copySelection = async () => {
|
||
const text = menuSelectionRef.current || termRef.current?.getSelection() || "";
|
||
setCtxMenu(null);
|
||
if (!text) {
|
||
setClipStatus(t("webcrt.actions.copyEmpty"));
|
||
window.setTimeout(() => setClipStatus(null), 2200);
|
||
return;
|
||
}
|
||
try {
|
||
const ok = await writeClipboardText(text);
|
||
setClipStatus(ok ? t("webcrt.actions.copied") : t("webcrt.actions.copyFailed"));
|
||
} catch {
|
||
setClipStatus(t("webcrt.actions.copyFailed"));
|
||
}
|
||
window.setTimeout(() => setClipStatus(null), 2200);
|
||
};
|
||
|
||
useEffect(() => {
|
||
if (!pasteBridgeOpen) return;
|
||
window.setTimeout(() => pasteBridgeRef.current?.focus(), 0);
|
||
}, [pasteBridgeOpen]);
|
||
|
||
return (
|
||
<div className="webcrt-term-wrap">
|
||
{pasteStatus ? (
|
||
<div className="webcrt-paste-status" role="status" aria-live="polite">
|
||
{t("webcrt.term.pasting", { done: pasteStatus.done, total: pasteStatus.total })}
|
||
</div>
|
||
) : null}
|
||
{clipStatus ? (
|
||
<div className="webcrt-paste-status" role="status" aria-live="polite">
|
||
{clipStatus}
|
||
</div>
|
||
) : null}
|
||
{pasteBridgeOpen ? (
|
||
<div className="webcrt-paste-bridge" role="dialog" aria-label={t("webcrt.term.paste")}>
|
||
<div className="webcrt-paste-bridge__card">
|
||
<p className="webcrt-paste-bridge__hint">{t("webcrt.term.pasteBridgeHint")}</p>
|
||
<textarea
|
||
ref={pasteBridgeRef}
|
||
className="webcrt-paste-bridge__input"
|
||
rows={4}
|
||
placeholder={t("webcrt.term.pasteBridgePh")}
|
||
onPaste={(e) => {
|
||
const text = e.clipboardData?.getData("text") || "";
|
||
if (!text) return;
|
||
e.preventDefault();
|
||
setPasteBridgeOpen(false);
|
||
sendStdinThrottled(text);
|
||
focusTerminal();
|
||
}}
|
||
onKeyDown={(e) => {
|
||
if (e.key === "Escape") {
|
||
e.preventDefault();
|
||
setPasteBridgeOpen(false);
|
||
focusTerminal();
|
||
}
|
||
}}
|
||
/>
|
||
<div className="webcrt-paste-bridge__actions">
|
||
<button
|
||
type="button"
|
||
onClick={() => {
|
||
const text = pasteBridgeRef.current?.value || "";
|
||
setPasteBridgeOpen(false);
|
||
if (text) sendStdinThrottled(text);
|
||
focusTerminal();
|
||
}}
|
||
>
|
||
{t("webcrt.term.paste")}
|
||
</button>
|
||
<button
|
||
type="button"
|
||
onClick={() => {
|
||
setPasteBridgeOpen(false);
|
||
focusTerminal();
|
||
}}
|
||
>
|
||
{t("webcrt.term.pasteBridgeCancel")}
|
||
</button>
|
||
</div>
|
||
</div>
|
||
</div>
|
||
) : null}
|
||
{findOpen ? (
|
||
<div className="webcrt-find">
|
||
<input
|
||
ref={findInputRef}
|
||
type="search"
|
||
value={findQuery}
|
||
placeholder={t("webcrt.term.findPh")}
|
||
aria-label={t("webcrt.term.findPh")}
|
||
onChange={(e) => {
|
||
setFindQuery(e.target.value);
|
||
findLineRef.current = -1;
|
||
}}
|
||
onKeyDown={(e) => {
|
||
if (e.key === "Enter") {
|
||
e.preventDefault();
|
||
const term = termRef.current;
|
||
if (!term || !findQuery) return;
|
||
const hit = findBufferLine(
|
||
term,
|
||
findQuery,
|
||
e.shiftKey ? Math.max(0, findLineRef.current) - 1 : findLineRef.current + 1,
|
||
e.shiftKey ? -1 : 1,
|
||
);
|
||
if (hit >= 0) {
|
||
findLineRef.current = hit;
|
||
term.scrollToLine(Math.max(0, hit - 2));
|
||
}
|
||
} else if (e.key === "Escape") {
|
||
setFindOpen(false);
|
||
focusTerminal();
|
||
}
|
||
}}
|
||
/>
|
||
<button
|
||
type="button"
|
||
aria-label={t("webcrt.term.findPrev")}
|
||
title={t("webcrt.term.findPrev")}
|
||
onClick={() => {
|
||
const term = termRef.current;
|
||
if (!term || !findQuery) return;
|
||
const hit = findBufferLine(term, findQuery, Math.max(0, findLineRef.current) - 1, -1);
|
||
if (hit >= 0) {
|
||
findLineRef.current = hit;
|
||
term.scrollToLine(Math.max(0, hit - 2));
|
||
}
|
||
}}
|
||
>
|
||
↑
|
||
</button>
|
||
<button
|
||
type="button"
|
||
aria-label={t("webcrt.term.findNext")}
|
||
title={t("webcrt.term.findNext")}
|
||
onClick={() => {
|
||
const term = termRef.current;
|
||
if (!term || !findQuery) return;
|
||
const hit = findBufferLine(term, findQuery, findLineRef.current + 1, 1);
|
||
if (hit >= 0) {
|
||
findLineRef.current = hit;
|
||
term.scrollToLine(Math.max(0, hit - 2));
|
||
}
|
||
}}
|
||
>
|
||
↓
|
||
</button>
|
||
<button
|
||
type="button"
|
||
aria-label={t("webcrt.term.findClose")}
|
||
title={t("webcrt.term.findClose")}
|
||
onClick={() => {
|
||
setFindOpen(false);
|
||
focusTerminal();
|
||
}}
|
||
>
|
||
×
|
||
</button>
|
||
</div>
|
||
) : null}
|
||
<div
|
||
className="webcrt-term"
|
||
ref={hostRef}
|
||
onMouseDown={() => {
|
||
focusTerminal();
|
||
setCtxMenu(null);
|
||
}}
|
||
/>
|
||
{ctxMenu ? (
|
||
<div
|
||
className="webcrt-ctx"
|
||
style={{ left: ctxMenu.x, top: ctxMenu.y }}
|
||
onMouseDown={(e) => e.stopPropagation()}
|
||
>
|
||
<button type="button" onClick={() => void copySelection()}>
|
||
{t("webcrt.term.copy")}
|
||
</button>
|
||
<button type="button" onClick={() => void pasteFromClipboard()}>
|
||
{t("webcrt.term.paste")}
|
||
</button>
|
||
<button
|
||
type="button"
|
||
onClick={() => {
|
||
termRef.current?.clear();
|
||
termRef.current?.write("\x1b[H\x1b[2J");
|
||
setCtxMenu(null);
|
||
}}
|
||
>
|
||
{t("webcrt.term.clear")}
|
||
</button>
|
||
</div>
|
||
) : null}
|
||
</div>
|
||
);
|
||
});
|