peardock/libs/dockerTerminal.js

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JavaScript
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2024-12-01 22:01:07 -05:00
import { Terminal } from 'xterm';
import { FitAddon } from 'xterm-addon-fit';
// DOM Elements
const dockerTerminalModal = document.getElementById('docker-terminal-modal');
const dockerTerminalTitle = document.getElementById('docker-terminal-title');
const dockerTerminalContainer = document.getElementById('docker-terminal-container');
const dockerKillTerminalBtn = document.getElementById('docker-kill-terminal-btn');
// Terminal variables
let dockerTerminalSession = null;
// Start Docker CLI terminal session
function startDockerTerminal(connectionId, peer) {
if (!peer) {
console.error('[ERROR] No active peer for Docker CLI terminal.');
return;
}
if (dockerTerminalSession) {
console.log(`[INFO] Docker CLI terminal session already exists for connection: ${connectionId}`);
return;
}
console.log(`[INFO] Starting Docker CLI terminal for connection: ${connectionId}`);
const xterm = new Terminal({
cursorBlink: true,
theme: { background: '#1a1a1a', foreground: '#ffffff' },
});
const fitAddon = new FitAddon();
xterm.loadAddon(fitAddon);
dockerTerminalContainer.innerHTML = ''; // Clear previous content
xterm.open(dockerTerminalContainer);
fitAddon.fit();
dockerTerminalSession = { xterm, fitAddon, connectionId, peer };
xterm.onData((input) => {
const sanitizedInput = sanitizeDockerCommand(input.trim());
if (sanitizedInput) {
console.log(`[DEBUG] Sending Docker CLI command: ${sanitizedInput}`);
peer.write(
JSON.stringify({
type: 'dockerCommand',
data: sanitizedInput,
})
);
} else {
xterm.write('\r\n[ERROR] Invalid command. Only Docker CLI commands are allowed.\r\n');
}
});
peer.on('data', (data) => {
try {
const response = JSON.parse(data.toString());
if (response.type === 'dockerOutput' && response.connectionId === connectionId) {
xterm.write(response.data);
}
} catch (error) {
console.error(`[ERROR] Failed to parse response from peer: ${error.message}`);
}
});
dockerTerminalTitle.textContent = `Docker CLI Terminal: ${connectionId}`;
dockerTerminalModal.style.display = 'flex';
}
// Sanitize input to ensure only Docker CLI commands are allowed
function sanitizeDockerCommand(command) {
const allowedCommands = ['docker', 'docker-compose'];
const parts = command.split(/\s+/);
const baseCommand = parts[0];
if (allowedCommands.includes(baseCommand)) {
return command; // Valid Docker command
}
return null; // Invalid command
}
// Clean up Docker CLI terminal session
function cleanUpDockerTerminal() {
if (dockerTerminalSession) {
dockerTerminalSession.xterm.dispose();
dockerTerminalSession = null;
dockerTerminalContainer.innerHTML = '';
dockerTerminalModal.style.display = 'none';
console.log('[INFO] Docker CLI terminal session cleaned up.');
}
}
// Handle Kill Terminal button
dockerKillTerminalBtn.onclick = () => {
cleanUpDockerTerminal();
};
// Export functions
export { startDockerTerminal, cleanUpDockerTerminal };