GoTTY v2.0 — Web Terminal

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This is a simulated terminal running in your browser.\", owner: \"user\", perms: \"rw-r--r--\" },\n \"/home/user/notes.md\": { content: \"# Notes\\n- Built on Val Town\\n- Powered by React + TypeScript\", owner: \"user\", perms: \"rw-r--r--\" },\n \"/home/user/.hidden\": { content: \"You found a hidden file!\", owner: \"user\", perms: \"rw-------\" },\n \"/etc/hostname\": { content: \"gotty-web\", owner: \"root\", perms: \"rw-r--r--\" },\n \"/etc/motd\": { content: MOTD, owner: \"root\", perms: \"rw-r--r--\" },\n \"/etc/passwd\": { content: \"root:x:0:0:root:/root:/bin/bash\\nuser:x:1000:1000:user:/home/user:/bin/gotty-sh\", owner: \"root\", perms: \"rw-r--r--\" },\n \"/etc/shadow\": { content: \"root:$6$...:19000:0:99999:7:::\\nuser:$6$...:19000:0:99999:7:::\", owner: \"root\", perms: \"rw-------\" },\n \"/etc/sudoers\": { content: \"root ALL=(ALL:ALL) ALL\\nuser ALL=(ALL:ALL) ALL\\n# %sudo ALL=(ALL:ALL) ALL\", owner: \"root\", perms: \"r--r-----\" },\n \"/root/.bashrc\": { content: \"# root's bashrc\\nexport PS1='# '\", owner: \"root\", perms: \"rw-------\" },\n \"/var/log/auth.log\": { content: \"\", owner: \"root\", perms: \"rw-r-----\" },\n };\n}\n\nfunction initDirs(): Set {\n return new Set([\"/\", \"/home\", \"/home/user\", \"/etc\", \"/tmp\", \"/var\", \"/var/log\", \"/root\", \"/usr\", \"/usr/bin\", \"/bin\", \"/sbin\"]);\n}\n\n// ── Users ────────────────────────────────────────────────────\n\ninterface UserInfo {\n password: string;\n uid: number;\n gid: number;\n home: string;\n shell: string;\n groups: string[];\n}\n\nfunction initUsers(): Record {\n return {\n root: { password: \"toor\", uid: 0, gid: 0, home: \"/root\", shell: \"/bin/bash\", groups: [\"root\", \"sudo\"] },\n user: { password: \"\", uid: 1000, gid: 1000, home: \"/home/user\", shell: \"/bin/gotty-sh\", groups: [\"user\", \"sudo\"] },\n };\n}\n\n// ── Permissions helpers ──────────────────────────────────────\n\nfunction canRead(entry: FSEntry, currentUser: string, users: Record): boolean {\n if (currentUser === \"root\") return true;\n if (entry.owner === currentUser) return entry.perms[0] === \"r\";\n // group check simplified — check \"other\" bits\n return entry.perms[6] === \"r\";\n}\n\nfunction canWrite(entry: FSEntry, currentUser: string): boolean {\n if (currentUser === \"root\") return true;\n if (entry.owner === currentUser) return entry.perms[1] === \"w\";\n return entry.perms[7] === \"w\";\n}\n\nfunction canAccessDir(dir: string, currentUser: string): boolean {\n if (currentUser === \"root\") return true;\n if (dir.startsWith(\"/root\") && currentUser !== \"root\") return false;\n return true;\n}\n\nfunction isSudoer(username: string, users: Record): boolean {\n return users[username]?.groups.includes(\"sudo\") ?? false;\n}\n\n// ── Types ────────────────────────────────────────────────────\n\ninterface TermLine {\n text: string;\n type: \"input\" | \"output\" | \"error\" | \"system\";\n}\n\ninterface ShellState {\n currentUser: string;\n cwd: string;\n env: Record;\n users: Record;\n fs: Record;\n dirs: Set;\n}\n\ninterface CmdResult {\n output: string;\n newCwd: string;\n newUser?: string;\n clear?: boolean;\n passwordPrompt?: { callback: string; args: string[] }; // triggers password input mode\n}\n\n// ── Path resolution ──────────────────────────────────────────\n\nfunction resolvePath(cwd: string, p: string, env: Record): string {\n if (p === \"~\") return env.HOME || \"/home/user\";\n if (p.startsWith(\"~/\")) p = (env.HOME || \"/home/user\") + p.slice(1);\n if (!p.startsWith(\"/\")) p = cwd + (cwd.endsWith(\"/\") ? \"\" : \"/\") + p;\n const parts = p.split(\"/\").filter(Boolean);\n const resolved: string[] = [];\n for (const part of parts) {\n if (part === \".\") continue;\n if (part === \"..\") { resolved.pop(); continue; }\n resolved.push(part);\n }\n return \"/\" + resolved.join(\"/\");\n}\n\n// ── Command runner ───────────────────────────────────────────\n\nfunction runCommand(input: string, state: ShellState, asSudo = false): CmdResult {\n const { currentUser, cwd, env, users, fs, dirs } = state;\n const effectiveUser = asSudo ? \"root\" : currentUser;\n const trimmed = input.trim();\n if (!trimmed) return { output: \"\", newCwd: cwd };\n\n const parts = trimmed.match(/(?:[^\\s\"]+|\"[^\"]*\")+/g) || [];\n const cmd = parts[0];\n const args = parts.slice(1).map(a => a.replace(/^\"|\"$/g, \"\"));\n\n switch (cmd) {\n case \"help\":\n return {\n output: `Available commands:\n help Show this help message\n echo [args] Print arguments\n ls [-la] [dir] List directory contents\n cat Show file contents\n cd Change directory\n pwd Print working directory\n whoami Current user\n id Show user/group IDs\n hostname Show hostname\n date Show current date/time\n uptime Show uptime\n uname [-a] System information\n env Show environment variables\n export K=V Set environment variable\n clear Clear the terminal\n history Show command history\n touch Create an empty file\n mkdir Create a directory\n rm Remove a file\n chmod Change file permissions\n chown Change file owner\n curl Fetch a URL (via server)\n cowsay [msg] ASCII cow says something\n fortune Random fortune\n neofetch System info display\n\n\\x1b[1;33mUser & Privilege commands:\\x1b[0m\n sudo Run command as root\n su [user] Switch user (default: root)\n passwd [user] Change password\n useradd Create a new user (root)\n userdel Delete a user (root)\n usermod -G Modify user groups (root)\n groups [user] Show user's groups\n logout / exit Log out / close terminal`,\n newCwd: cwd,\n };\n\n case \"echo\":\n return { output: args.join(\" \").replace(/\\\\n/g, \"\\n\"), newCwd: cwd };\n\n case \"pwd\":\n return { output: cwd, newCwd: cwd };\n\n case \"whoami\":\n return { output: effectiveUser, newCwd: cwd };\n\n case \"id\": {\n const u = args[0] || effectiveUser;\n const info = users[u];\n if (!info) return { output: `id: '${u}': no such user`, newCwd: cwd };\n return { output: `uid=${info.uid}(${u}) gid=${info.gid}(${u}) groups=${info.groups.join(\",\")}`, newCwd: cwd };\n }\n\n case \"hostname\":\n return { output: \"gotty-web\", newCwd: cwd };\n\n case \"date\":\n return { output: new Date().toString(), newCwd: cwd };\n\n case \"uptime\":\n return { output: ` ${new Date().toTimeString().split(\" \")[0]} up 0 days, load average: 0.00, 0.01, 0.05`, newCwd: cwd };\n\n case \"uname\":\n if (args.includes(\"-a\")) return { output: \"GoTTY WebOS 2.0.0 gotty-web x86_64 ValTown/Deno\", newCwd: cwd };\n return { output: \"GoTTY\", newCwd: cwd };\n\n case \"env\":\n return { output: Object.entries(env).map(([k, v]) => `${k}=${v}`).join(\"\\n\"), newCwd: cwd };\n\n case \"export\": {\n const match = args[0]?.match(/^(\\w+)=(.*)$/);\n if (!match) return { output: \"usage: export KEY=VALUE\", newCwd: cwd };\n env[match[1]] = match[2];\n return { output: \"\", newCwd: cwd };\n }\n\n case \"clear\":\n return { output: \"\", newCwd: cwd, clear: true };\n\n // ── sudo ──\n case \"sudo\": {\n if (!args.length) return { output: \"usage: sudo \", newCwd: cwd };\n if (!isSudoer(currentUser, users)) {\n // Log the attempt\n const logEntry = `${new Date().toISOString()} : ${currentUser} : NOT in sudoers ; TTY=gotty-web ; COMMAND=${args.join(\" \")}`;\n if (fs[\"/var/log/auth.log\"]) fs[\"/var/log/auth.log\"].content += logEntry + \"\\n\";\n return { output: `${currentUser} is not in the sudoers file. This incident will be reported.`, newCwd: cwd };\n }\n // Prompt for password\n return {\n output: \"__SUDO_PROMPT__\",\n newCwd: cwd,\n passwordPrompt: { callback: \"sudo\", args },\n };\n }\n\n // ── su ──\n case \"su\": {\n const targetUser = args[0] || \"root\";\n if (!users[targetUser]) return { output: `su: user ${targetUser} does not exist`, newCwd: cwd };\n if (currentUser === \"root\") {\n // root can su without password\n const newHome = users[targetUser].home;\n env.HOME = newHome;\n env.USER = targetUser;\n return { output: \"\", newCwd: newHome, newUser: targetUser };\n }\n return {\n output: \"__SU_PROMPT__\",\n newCwd: cwd,\n passwordPrompt: { callback: \"su\", args: [targetUser] },\n };\n }\n\n // ── passwd ──\n case \"passwd\": {\n const targetUser = args[0] || currentUser;\n if (targetUser !== currentUser && effectiveUser !== \"root\") {\n return { output: \"passwd: Only root may change other users' passwords\", newCwd: cwd };\n }\n return {\n output: \"__PASSWD_PROMPT__\",\n newCwd: cwd,\n passwordPrompt: { callback: \"passwd\", args: [targetUser] },\n };\n }\n\n // ── useradd ──\n case \"useradd\": {\n if (effectiveUser !== \"root\") return { output: \"useradd: Permission denied. Are you root?\", newCwd: cwd };\n if (!args[0]) return { output: \"useradd: missing username\", newCwd: cwd };\n const name = args[0];\n if (users[name]) return { output: `useradd: user '${name}' already exists`, newCwd: cwd };\n if (!/^[a-z_][a-z0-9_-]*$/.test(name)) return { output: \"useradd: invalid username\", newCwd: cwd };\n const maxUid = Math.max(...Object.values(users).map(u => u.uid));\n users[name] = { password: \"\", uid: maxUid + 1, gid: maxUid + 1, home: `/home/${name}`, shell: \"/bin/gotty-sh\", groups: [name] };\n dirs.add(`/home/${name}`);\n fs[`/home/${name}/.bashrc`] = { content: `# ${name}'s bashrc`, owner: name, perms: \"rw-r--r--\" };\n // Update /etc/passwd\n if (fs[\"/etc/passwd\"]) {\n fs[\"/etc/passwd\"].content += `\\n${name}:x:${maxUid + 1}:${maxUid + 1}:${name}:/home/${name}:/bin/gotty-sh`;\n }\n return { output: `User '${name}' created with home /home/${name}`, newCwd: cwd };\n }\n\n // ── userdel ──\n case \"userdel\": {\n if (effectiveUser !== \"root\") return { output: \"userdel: Permission denied. Are you root?\", newCwd: cwd };\n if (!args[0]) return { output: \"userdel: missing username\", newCwd: cwd };\n const name = args[0];\n if (!users[name]) return { output: `userdel: user '${name}' does not exist`, newCwd: cwd };\n if (name === \"root\") return { output: \"userdel: cannot delete root\", newCwd: cwd };\n if (name === currentUser) return { output: \"userdel: cannot delete the currently logged-in user\", newCwd: cwd };\n delete users[name];\n return { output: `User '${name}' deleted`, newCwd: cwd };\n }\n\n // ── usermod ──\n case \"usermod\": {\n if (effectiveUser !== \"root\") return { output: \"usermod: Permission denied\", newCwd: cwd };\n if (args[0] === \"-G\" && args[1] && args[2]) {\n const group = args[1];\n const target = args[2];\n if (!users[target]) return { output: `usermod: user '${target}' does not exist`, newCwd: cwd };\n if (!users[target].groups.includes(group)) users[target].groups.push(group);\n return { output: `Added '${target}' to group '${group}'`, newCwd: cwd };\n }\n if (args[0] === \"-rG\" && args[1] && args[2]) {\n const group = args[1];\n const target = args[2];\n if (!users[target]) return { output: `usermod: user '${target}' does not exist`, newCwd: cwd };\n users[target].groups = users[target].groups.filter(g => g !== group);\n return { output: `Removed '${target}' from group '${group}'`, newCwd: cwd };\n }\n return { output: \"usage: usermod -G | usermod -rG \", newCwd: cwd };\n }\n\n // ── groups ──\n case \"groups\": {\n const target = args[0] || effectiveUser;\n if (!users[target]) return { output: `groups: '${target}': no such user`, newCwd: cwd };\n return { output: `${target} : ${users[target].groups.join(\" \")}`, newCwd: cwd };\n }\n\n // ── logout ──\n case \"logout\": {\n if (currentUser === \"user\") return { output: \"Goodbye! (Refresh to restart)\", newCwd: cwd };\n // Switch back to user\n env.HOME = users[\"user\"].home;\n env.USER = \"user\";\n return { output: \"\", newCwd: users[\"user\"].home, newUser: \"user\" };\n }\n\n // ── chmod ──\n case \"chmod\": {\n if (!args[0] || !args[1]) return { output: \"chmod: missing operand\", newCwd: cwd };\n const target = resolvePath(cwd, args[1], env);\n if (!fs[target]) return { output: `chmod: cannot access '${args[1]}': No such file or directory`, newCwd: cwd };\n if (fs[target].owner !== effectiveUser && effectiveUser !== \"root\") {\n return { output: `chmod: changing permissions of '${args[1]}': Operation not permitted`, newCwd: cwd };\n }\n // Simplified: accept octal like 644, 755 etc.\n const mode = args[0];\n const octalMatch = mode.match(/^([0-7])([0-7])([0-7])$/);\n if (octalMatch) {\n const toStr = (n: number) => (n & 4 ? \"r\" : \"-\") + (n & 2 ? \"w\" : \"-\") + (n & 1 ? \"x\" : \"-\");\n fs[target].perms = toStr(+octalMatch[1]) + toStr(+octalMatch[2]) + toStr(+octalMatch[3]);\n return { output: \"\", newCwd: cwd };\n }\n return { output: `chmod: invalid mode: '${mode}' (use octal, e.g. 644)`, newCwd: cwd };\n }\n\n // ── chown ──\n case \"chown\": {\n if (effectiveUser !== \"root\") return { output: \"chown: Operation not permitted\", newCwd: cwd };\n if (!args[0] || !args[1]) return { output: \"chown: missing operand\", newCwd: cwd };\n const target = resolvePath(cwd, args[1], env);\n if (!fs[target]) return { output: `chown: cannot access '${args[1]}': No such file or directory`, newCwd: cwd };\n if (!users[args[0]]) return { output: `chown: invalid user: '${args[0]}'`, newCwd: cwd };\n fs[target].owner = args[0];\n return { output: \"\", newCwd: cwd };\n }\n\n // ── ls ──\n case \"ls\": {\n const showAll = args.includes(\"-a\") || args.includes(\"-la\") || args.includes(\"-al\");\n const showLong = args.includes(\"-l\") || args.includes(\"-la\") || args.includes(\"-al\");\n const dirArg = args.find(a => !a.startsWith(\"-\"));\n const target = dirArg ? resolvePath(cwd, dirArg, env) : cwd;\n if (!dirs.has(target)) return { output: `ls: cannot access '${dirArg || target}': No such file or directory`, newCwd: cwd };\n if (!canAccessDir(target, effectiveUser)) return { output: `ls: cannot open directory '${dirArg || target}': Permission denied`, newCwd: cwd };\n\n const prefix = target === \"/\" ? \"/\" : target + \"/\";\n const entries: { name: string; isDir: boolean; entry?: FSEntry }[] = [];\n const seen = new Set();\n\n for (const path of Object.keys(fs)) {\n if (path.startsWith(prefix)) {\n const rest = path.slice(prefix.length);\n const name = rest.split(\"/\")[0];\n if (!name || seen.has(name)) continue;\n if (!showAll && name.startsWith(\".\")) continue;\n seen.add(name);\n entries.push({ name, isDir: false, entry: rest.includes(\"/\") ? undefined : fs[path] });\n }\n }\n for (const d of dirs) {\n if (d !== target && d.startsWith(prefix)) {\n const rest = d.slice(prefix.length);\n const name = rest.split(\"/\")[0];\n if (!name || seen.has(name)) continue;\n if (!showAll && name.startsWith(\".\")) continue;\n seen.add(name);\n entries.push({ name, isDir: true });\n }\n }\n\n entries.sort((a, b) => a.name.localeCompare(b.name));\n\n if (showLong) {\n const lines = entries.map(e => {\n const perms = e.isDir ? \"d\" + \"rwxr-xr-x\" : \"-\" + (e.entry?.perms || \"rw-r--r--\");\n const owner = e.entry?.owner || (e.isDir ? \"root\" : \"user\");\n const size = e.isDir ? \"4096\" : String(e.entry?.content.length || 0).padStart(5);\n const date = \"May 18 12:00\";\n const colorName = e.isDir ? `\\x1b[1;34m${e.name}\\x1b[0m` : e.name;\n return `${perms} 1 ${owner.padEnd(6)} ${owner.padEnd(6)} ${size} ${date} ${colorName}`;\n });\n return { output: `total ${entries.length}\\n` + lines.join(\"\\n\"), newCwd: cwd };\n }\n\n const display = entries.map(e => e.isDir ? `\\x1b[1;34m${e.name}\\x1b[0m` : e.name);\n return { output: display.join(\" \") || \"\", newCwd: cwd };\n }\n\n // ── cd ──\n case \"cd\": {\n const target = args[0] ? resolvePath(cwd, args[0], env) : env.HOME || \"/home/user\";\n if (!dirs.has(target)) return { output: `cd: no such file or directory: ${args[0] || \"~\"}`, newCwd: cwd };\n if (!canAccessDir(target, effectiveUser)) return { output: `cd: ${args[0]}: Permission denied`, newCwd: cwd };\n return { output: \"\", newCwd: target };\n }\n\n // ── cat ──\n case \"cat\": {\n if (!args[0]) return { output: \"cat: missing operand\", newCwd: cwd };\n const target = resolvePath(cwd, args[0], env);\n const entry = fs[target];\n if (!entry) return { output: `cat: ${args[0]}: No such file or directory`, newCwd: cwd };\n if (!canRead(entry, effectiveUser, users)) return { output: `cat: ${args[0]}: Permission denied`, newCwd: cwd };\n return { output: entry.content, newCwd: cwd };\n }\n\n // ── touch ──\n case \"touch\": {\n if (!args[0]) return { output: \"touch: missing operand\", newCwd: cwd };\n const target = resolvePath(cwd, args[0], env);\n if (!fs[target]) {\n fs[target] = { content: \"\", owner: effectiveUser, perms: \"rw-r--r--\" };\n }\n return { output: \"\", newCwd: cwd };\n }\n\n // ── mkdir ──\n case \"mkdir\": {\n if (!args[0]) return { output: \"mkdir: missing operand\", newCwd: cwd };\n const target = resolvePath(cwd, args[0], env);\n if (dirs.has(target)) return { output: `mkdir: cannot create directory '${args[0]}': File exists`, newCwd: cwd };\n dirs.add(target);\n return { output: \"\", newCwd: cwd };\n }\n\n // ── rm ──\n case \"rm\": {\n if (!args[0]) return { output: \"rm: missing operand\", newCwd: cwd };\n const target = resolvePath(cwd, args[0], env);\n const entry = fs[target];\n if (!entry) return { output: `rm: cannot remove '${args[0]}': No such file or directory`, newCwd: cwd };\n if (!canWrite(entry, effectiveUser)) return { output: `rm: cannot remove '${args[0]}': Permission denied`, newCwd: cwd };\n delete fs[target];\n return { output: \"\", newCwd: cwd };\n }\n\n case \"history\":\n return { output: \"__HISTORY__\", newCwd: cwd };\n\n case \"cowsay\": {\n const msg = args.join(\" \") || \"moo\";\n const border = \"-\".repeat(msg.length + 2);\n return {\n output: ` ${border}\\n< ${msg} >\\n ${border}\\n \\\\ ^__^\\n \\\\ (oo)\\\\_______\\n (__)\\\\ )\\\\/\\\\\\n ||----w |\\n || ||`,\n newCwd: cwd,\n };\n }\n\n case \"fortune\": {\n const fortunes = [\n \"You will mass-produce vals today.\",\n \"A bug is a feature waiting to be discovered.\",\n \"The best code is no code at all.\",\n \"sudo make me a sandwich. — Okay.\",\n \"There are 10 kinds of people in the world...\",\n \"It works on my machine. Ship it.\",\n \"With great power (sudo) comes great responsibility.\",\n \"To err is human; to really foul things up requires root access.\",\n ];\n return { output: fortunes[Math.floor(Math.random() * fortunes.length)], newCwd: cwd };\n }\n\n case \"neofetch\": {\n const u = effectiveUser;\n return {\n output: `\\x1b[1;36m _____\\x1b[0m\n\\x1b[1;36m / \\\\\\\\\\x1b[0m \\x1b[1;33m${u}\\x1b[0m@\\x1b[1;33mgotty-web\\x1b[0m\n\\x1b[1;36m | () () |\\x1b[0m ─────────────\n\\x1b[1;36m | ___ |\\x1b[0m \\x1b[1;33mOS:\\x1b[0m GoTTY WebOS 2.0\n\\x1b[1;36m | |\\x1b[0m \\x1b[1;33mHost:\\x1b[0m Val Town\n\\x1b[1;36m \\\\_____/\\x1b[0m \\x1b[1;33mKernel:\\x1b[0m Deno\n\\x1b[1;36m \\x1b[0m \\x1b[1;33mShell:\\x1b[0m gotty-sh\n \\x1b[1;33mTerminal:\\x1b[0m xterm-web\n \\x1b[1;33mUser:\\x1b[0m ${u} (uid=${users[u]?.uid || 0})\n \\x1b[1;33mGroups:\\x1b[0m ${users[u]?.groups.join(\", \") || \"none\"}\n \\x1b[1;33mSudo:\\x1b[0m ${isSudoer(u, users) ? \"\\x1b[1;32menabled\\x1b[0m\" : \"\\x1b[1;31mdisabled\\x1b[0m\"}`,\n newCwd: cwd,\n };\n }\n\n case \"curl\":\n return { output: \"__CURL__\" + (args[0] || \"\"), newCwd: cwd };\n\n case \"exit\":\n if (currentUser !== \"user\") {\n env.HOME = users[\"user\"].home;\n env.USER = \"user\";\n return { output: \"\", newCwd: users[\"user\"].home, newUser: \"user\" };\n }\n return { output: \"Goodbye! (Refresh to restart)\", newCwd: cwd };\n\n // Easter eggs\n case \"sudo\" + \"!!\":\n return { output: \"Nice try.\", newCwd: cwd };\n\n case \"rm\":\n if (args.join(\" \") === \"-rf /\") {\n return { output: effectiveUser === \"root\" ? \"💥 System destroyed. Just kidding.\" : \"rm: Permission denied (and good thing too)\", newCwd: cwd };\n }\n break;\n\n default:\n return { output: `${cmd}: command not found`, newCwd: cwd };\n }\n return { output: `${cmd}: command not found`, newCwd: cwd };\n}\n\n// ── ANSI rendering ───────────────────────────────────────────\n\nfunction AnsiText({ text }: { text: string }) {\n const parts: React.ReactNode[] = [];\n const regex = /\\x1b\\[([0-9;]+)m/g;\n let lastIndex = 0;\n let match: RegExpExecArray | null;\n let currentColor = \"\";\n let bold = false;\n\n while ((match = regex.exec(text)) !== null) {\n if (match.index > lastIndex) {\n parts.push(\n \n {text.slice(lastIndex, match.index)}\n ,\n );\n }\n const code = match[1];\n if (code === \"0\") { currentColor = \"\"; bold = false; }\n else if (code === \"1;34\") { currentColor = \"#5c8fff\"; bold = true; }\n else if (code === \"1;36\") { currentColor = \"#56d8e0\"; bold = true; }\n else if (code === \"1;33\") { currentColor = \"#e5c07b\"; bold = true; }\n else if (code === \"1;32\") { currentColor = \"#98c379\"; bold = true; }\n else if (code === \"1;31\") { currentColor = \"#f7768e\"; bold = true; }\n else if (code === \"1\") { bold = true; }\n lastIndex = regex.lastIndex;\n }\n if (lastIndex < text.length) {\n parts.push(\n \n {text.slice(lastIndex)}\n ,\n );\n }\n return <>{parts};\n}\n\n// ── Terminal Component ───────────────────────────────────────\n\nexport function Terminal({ onCurl }: { onCurl: (url: string) => Promise }) {\n const [lines, setLines] = useState([{ text: MOTD, type: \"system\" }]);\n const [input, setInput] = useState(\"\");\n const [cwd, setCwd] = useState(\"/home/user\");\n const [currentUser, setCurrentUser] = useState(\"user\");\n const [history, setHistory] = useState([]);\n const [histIdx, setHistIdx] = useState(-1);\n const [env] = useState>({\n HOME: \"/home/user\",\n USER: \"user\",\n SHELL: \"/bin/gotty-sh\",\n TERM: \"xterm-256color\",\n PATH: \"/usr/local/bin:/usr/bin:/bin:/sbin\",\n LANG: \"en_US.UTF-8\",\n });\n const [users] = useState>(initUsers);\n const [fs] = useState>(initFS);\n const [dirs] = useState>(initDirs);\n const [passwordMode, setPasswordMode] = useState(null);\n const [passwordInput, setPasswordInput] = useState(\"\");\n\n const bottomRef = useRef(null);\n const inputRef = useRef(null);\n\n useEffect(() => { bottomRef.current?.scrollIntoView({ behavior: \"smooth\" }); }, [lines]);\n\n const prompt = currentUser === \"root\"\n ? `\\x1b[1;31mroot@gotty\\x1b[0m:\\x1b[1;34m${cwd}\\x1b[0m# `\n : `\\x1b[1;32m${currentUser}@gotty\\x1b[0m:\\x1b[1;34m${cwd === (env.HOME || \"/home/user\") ? \"~\" : cwd}\\x1b[0m$ `;\n\n const state: ShellState = { currentUser, cwd, env, users, fs, dirs };\n\n const processResult = useCallback(async (result: CmdResult) => {\n if (result.clear) {\n setLines([]);\n setCwd(result.newCwd);\n if (result.newUser) setCurrentUser(result.newUser);\n return;\n }\n\n if (result.passwordPrompt) {\n setPasswordMode(result.passwordPrompt);\n const promptText = result.passwordPrompt.callback === \"passwd\"\n ? `New password for ${result.passwordPrompt.args[0]}: `\n : `[sudo] password for ${currentUser}: `;\n setLines(l => [...l, { text: promptText, type: \"system\" }]);\n return;\n }\n\n if (result.output === \"__HISTORY__\") {\n const histOutput = history.map((h, i) => ` ${i + 1} ${h}`).join(\"\\n\");\n setLines(l => [...l, { text: histOutput, type: \"output\" }]);\n setCwd(result.newCwd);\n return;\n }\n\n if (result.output.startsWith(\"__CURL__\")) {\n const url = result.output.slice(8);\n if (!url) {\n setLines(l => [...l, { text: \"curl: missing URL\", type: \"error\" }]);\n return;\n }\n setLines(l => [...l, { text: `Fetching ${url}...`, type: \"system\" }]);\n try {\n const resp = await onCurl(url);\n setLines(l => [...l, { text: resp, type: \"output\" }]);\n } catch (e: any) {\n setLines(l => [...l, { text: `curl: ${e.message}`, type: \"error\" }]);\n }\n setCwd(result.newCwd);\n return;\n }\n\n if (result.output) {\n setLines(l => [...l, { text: result.output, type: result.output.includes(\"Permission denied\") || result.output.includes(\"not in the sudoers\") ? \"error\" : \"output\" }]);\n }\n setCwd(result.newCwd);\n if (result.newUser) {\n setCurrentUser(result.newUser);\n }\n }, [currentUser, history, onCurl]);\n\n const handlePasswordSubmit = useCallback(() => {\n const pw = passwordInput;\n setPasswordInput(\"\");\n\n if (!passwordMode) return;\n\n const { callback, args: cbArgs } = passwordMode;\n setPasswordMode(null);\n\n if (callback === \"sudo\") {\n // Check current user's password\n const userPw = users[currentUser]?.password || \"\";\n if (pw !== userPw) {\n setLines(l => [...l, { text: \"Sorry, try again.\", type: \"error\" }]);\n return;\n }\n // Log success\n if (fs[\"/var/log/auth.log\"]) {\n fs[\"/var/log/auth.log\"].content += `${new Date().toISOString()} : ${currentUser} : COMMAND=${cbArgs.join(\" \")}\\n`;\n }\n // Run the command as root\n const sudoCmd = cbArgs.join(\" \");\n const result = runCommand(sudoCmd, state, true);\n processResult(result);\n } else if (callback === \"su\") {\n const targetUser = cbArgs[0];\n const targetPw = users[targetUser]?.password || \"\";\n if (pw !== targetPw) {\n setLines(l => [...l, { text: \"su: Authentication failure\", type: \"error\" }]);\n return;\n }\n const newHome = users[targetUser].home;\n env.HOME = newHome;\n env.USER = targetUser;\n setCurrentUser(targetUser);\n setCwd(newHome);\n setLines(l => [...l, { text: `Switched to ${targetUser}`, type: \"system\" }]);\n } else if (callback === \"passwd\") {\n const targetUser = cbArgs[0];\n users[targetUser].password = pw;\n setLines(l => [...l, { text: `passwd: password updated successfully for ${targetUser}`, type: \"system\" }]);\n }\n }, [passwordInput, passwordMode, currentUser, users, env, state, processResult, fs]);\n\n const handleSubmit = useCallback(async () => {\n if (passwordMode) {\n setLines(l => [...l, { text: \"••••••••\", type: \"input\" }]);\n handlePasswordSubmit();\n return;\n }\n\n const cmd = input;\n setInput(\"\");\n setHistory(h => [...h, cmd]);\n setHistIdx(-1);\n setLines(l => [...l, { text: prompt + cmd, type: \"input\" }]);\n\n const result = runCommand(cmd, state);\n await processResult(result);\n }, [input, passwordMode, handlePasswordSubmit, state, prompt, processResult]);\n\n const handleKeyDown = (e: React.KeyboardEvent) => {\n if (e.key === \"Enter\") { handleSubmit(); return; }\n if (passwordMode) return; // No history in password mode\n\n if (e.key === \"ArrowUp\") {\n e.preventDefault();\n if (history.length === 0) return;\n const newIdx = histIdx === -1 ? history.length - 1 : Math.max(0, histIdx - 1);\n setHistIdx(newIdx);\n setInput(history[newIdx]);\n }\n if (e.key === \"ArrowDown\") {\n e.preventDefault();\n if (histIdx === -1) return;\n if (histIdx >= history.length - 1) { setHistIdx(-1); setInput(\"\"); return; }\n const newIdx = histIdx + 1;\n setHistIdx(newIdx);\n setInput(history[newIdx]);\n }\n if (e.key === \"l\" && e.ctrlKey) {\n e.preventDefault();\n setLines([]);\n }\n if (e.key === \"c\" && e.ctrlKey) {\n e.preventDefault();\n setInput(\"\");\n setLines(l => [...l, { text: prompt + input + \"^C\", type: \"input\" }]);\n }\n };\n\n const displayCwd = cwd === (env.HOME || \"/home/user\") ? \"~\" : cwd;\n\n return (\n inputRef.current?.focus()}\n >\n {/* Title bar */}\n

\n \n {currentUser}@gotty-web: {displayCwd}\n \n {currentUser === \"root\" && (\n ROOT\n )}\n GoTTY v2.0\n

\n\n {/* Output area */}\n

\n {lines.map((line, i) => (\n

\n \n

\n ))}\n {/* Input line */}\n

\n {passwordMode ? (\n Password: \n ) : (\n \n )}\n passwordMode ? setPasswordInput(e.target.value) : setInput(e.target.value)}\n onKeyDown={handleKeyDown}\n autoFocus\n spellCheck={false}\n type={passwordMode ? \"password\" : \"text\"}\n style={{\n background: \"transparent\",\n border: \"none\",\n outline: \"none\",\n color: \"#a9b1d6\",\n fontFamily: \"inherit\",\n fontSize: \"inherit\",\n flex: 1,\n caretColor: passwordMode ? \"transparent\" : \"#7aa2f7\",\n padding: 0,\n margin: 0,\n WebkitTextSecurity: passwordMode ? \"disc\" as any : undefined,\n }}\n />\n

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Diff · v7