n8n-nodes-netdevices
Version:
n8n node to interact with network devices
228 lines • 8.14 kB
JavaScript
"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
exports.CiscoSG300Connection = void 0;
const base_connection_1 = require("../base-connection");
class CiscoSG300Connection extends base_connection_1.BaseConnection {
constructor(credentials) {
super(credentials);
this.inConfigMode = false;
this.inEnableMode = false;
this.enablePassword = '';
this.enablePassword = credentials.enablePassword || credentials.password || '';
}
async sessionPreparation() {
await this.createSG300ShellChannel();
await this.setTerminalSettings();
await this.setBasePrompt();
await this.checkAndEnterEnableMode();
}
async createSG300ShellChannel() {
return new Promise((resolve, reject) => {
this.client.shell((err, channel) => {
if (err) {
reject(err);
return;
}
this.currentChannel = channel;
this.currentChannel.setEncoding(this.encoding);
const waitTime = this.fastMode ? 200 : 600;
setTimeout(() => {
resolve();
}, waitTime);
});
});
}
async setTerminalSettings() {
try {
await this.writeChannel('terminal datadump' + this.newline);
await this.readChannel(2000);
}
catch (error) {
}
}
async setBasePrompt() {
await this.writeChannel(this.returnChar);
const output = await this.readChannel(3000);
const lines = output.trim().split('\n');
const lastLine = lines[lines.length - 1];
this.basePrompt = lastLine.replace(/[>#$%]\s*$/, '').trim();
this.enabledPrompt = this.basePrompt + '#';
this.configPrompt = this.basePrompt + '(config)#';
}
async checkAndEnterEnableMode() {
await this.writeChannel(this.returnChar);
const output = await this.readChannel(2000);
if (output.includes('#')) {
this.inEnableMode = true;
return;
}
await this.enterEnableMode();
}
async enterEnableMode() {
try {
await this.writeChannel('enable' + this.newline);
let output = await this.readChannel(3000);
if (output.toLowerCase().includes('password:') || output.toLowerCase().includes('password')) {
await this.writeChannel(this.enablePassword + this.newline);
output = await this.readChannel(3000);
}
if (output.includes('#')) {
this.inEnableMode = true;
}
else {
throw new Error('Failed to enter enable mode');
}
}
catch (error) {
throw new Error(`Failed to enter enable mode: ${error}`);
}
}
async enterConfigMode() {
if (!this.inEnableMode) {
await this.enterEnableMode();
}
try {
await this.writeChannel('configure' + this.newline);
const output = await this.readChannel(3000);
if (output.includes('(config)#')) {
this.inConfigMode = true;
}
else {
throw new Error('Failed to enter configuration mode');
}
}
catch (error) {
throw new Error(`Failed to enter configuration mode: ${error}`);
}
}
async exitConfigMode() {
if (!this.inConfigMode) {
return;
}
try {
await this.writeChannel('exit' + this.newline);
const output = await this.readChannel(3000);
if (output.includes('#') && !output.includes('(config)#')) {
this.inConfigMode = false;
}
else {
throw new Error('Failed to exit configuration mode');
}
}
catch (error) {
throw new Error(`Failed to exit configuration mode: ${error}`);
}
}
async sendCommand(command) {
try {
if (!this.isConnected || !this.currentChannel) {
throw new Error('Not connected to device');
}
if (!this.fastMode) {
if (!this.inEnableMode && !command.startsWith('show') && command !== 'enable') {
await this.enterEnableMode();
}
}
await this.writeChannel(command + this.newline);
const timeout = this.fastMode ? 5000 : 10000;
const output = await this.readUntilPrompt(undefined, timeout);
const cleanOutput = this.sanitizeOutput(output, command);
return {
command,
output: cleanOutput,
success: true
};
}
catch (error) {
return {
command,
output: '',
success: false,
error: error instanceof Error ? error.message : 'Unknown error'
};
}
}
async sendConfig(commands) {
try {
if (!this.isConnected || !this.currentChannel) {
throw new Error('Not connected to device');
}
let fullOutput = '';
let allCommands = commands.join('\n');
await this.enterConfigMode();
for (const command of commands) {
await this.writeChannel(command + this.newline);
const output = await this.readChannel(3000);
fullOutput += output;
}
await this.exitConfigMode();
const cleanOutput = this.sanitizeOutput(fullOutput, allCommands);
return {
command: allCommands,
output: cleanOutput,
success: true
};
}
catch (error) {
try {
await this.exitConfigMode();
}
catch (exitError) {
}
return {
command: commands.join('\n'),
output: '',
success: false,
error: error instanceof Error ? error.message : 'Unknown error'
};
}
}
async getCurrentConfig() {
return await this.sendCommand('show running-config');
}
async saveConfig() {
return await this.sendCommand('copy running-config startup-config');
}
async rebootDevice() {
try {
await this.writeChannel('reload' + this.newline);
let output = await this.readChannel(5000);
if (output.includes('confirm') || output.includes('[Y/N]')) {
await this.writeChannel('y' + this.newline);
output += await this.readChannel(5000);
}
return {
command: 'reload',
output: output,
success: true
};
}
catch (error) {
return {
command: 'reload',
output: '',
success: false,
error: error instanceof Error ? error.message : 'Unknown error'
};
}
}
sanitizeOutput(output, command) {
const escapedCommand = command.replace(/[.*+?^${}()|[\]\\]/g, '\\$&');
let cleanOutput = output.replace(new RegExp(escapedCommand, 'g'), '');
const escapedBasePrompt = this.basePrompt.replace(/[.*+?^${}()|[\]\\]/g, '\\$&');
cleanOutput = cleanOutput.replace(new RegExp(escapedBasePrompt + '[>#$%]', 'g'), '');
cleanOutput = cleanOutput.replace(/^\s+|\s+$/g, '');
cleanOutput = cleanOutput.replace(/\r\n/g, '\n');
cleanOutput = cleanOutput.replace(/\r/g, '\n');
cleanOutput = cleanOutput.replace(/\n\s*\n/g, '\n');
return cleanOutput;
}
isInEnableMode() {
return this.inEnableMode;
}
isInConfigMode() {
return this.inConfigMode;
}
}
exports.CiscoSG300Connection = CiscoSG300Connection;
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