133 lines
4.2 KiB
JavaScript
133 lines
4.2 KiB
JavaScript
// server
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// app/routes.js
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const express = require("express")
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const {
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getValidatedHost,
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getValidatedPort,
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maskSensitiveData,
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validateSshTerm
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} = require("./utils")
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const handleConnection = require("./connectionHandler")
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const { createNamespacedDebug } = require("./logger")
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const { createAuthMiddleware } = require("./middleware")
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const { ConfigError, handleError } = require("./errors")
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const { HTTP } = require("./constants")
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const { parseEnvVars } = require("./utils")
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const debug = createNamespacedDebug("routes")
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module.exports = function(config) {
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const router = express.Router()
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const auth = createAuthMiddleware(config)
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// Scenario 1: No auth required, uses websocket authentication instead
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router.get("/", (req, res) => {
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debug("router.get./: Accessed / route")
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handleConnection(req, res)
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})
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/**
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* Handles the "/host/" route, which requires authentication and uses the
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* `auth` middleware function to handle HTTP Basic Authentication.
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*
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* This route validates the host and port parameters, sets the `sshCredentials`
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* object in the session, and calls the `handleConnection` function to handle
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* the connection.
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*
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* If the `config.ssh.host` is not set, it throws a `ConfigError` with the
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* appropriate error message.
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*
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* @param {Object} req - The Express request object
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* @param {Object} res - The Express response object
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*/
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router.get("/host/", auth, (req, res) => {
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debug(`router.get.host: /ssh/host/ route`)
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const envVars = parseEnvVars(req.query.env)
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if (envVars) {
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req.session.envVars = envVars
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debug("routes: Parsed environment variables: %O", envVars)
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}
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try {
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if (!config.ssh.host) {
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throw new ConfigError(
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"Host parameter required when default host not configured"
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)
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}
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const { host } = config.ssh
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const port = getValidatedPort(req.query.port)
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const sshterm = validateSshTerm(req.query.sshterm)
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req.session.sshCredentials = req.session.sshCredentials || {}
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req.session.sshCredentials.host = host
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req.session.sshCredentials.port = port
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if (req.query.sshterm) {
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req.session.sshCredentials.term = sshterm
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}
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req.session.usedBasicAuth = true
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const sanitizedCredentials = maskSensitiveData(
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JSON.parse(JSON.stringify(req.session.sshCredentials))
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)
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debug("/ssh/host/ Credentials: ", sanitizedCredentials)
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handleConnection(req, res, { host: host })
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} catch (err) {
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const error = new ConfigError(`Invalid configuration: ${err.message}`)
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handleError(error, res)
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}
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})
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// Scenario 2: Auth required, uses HTTP Basic Auth
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router.get("/host/:host?", auth, (req, res) => {
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debug(`router.get.host: /ssh/host/${req.params.host} route`)
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const envVars = parseEnvVars(req.query.env)
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if (envVars) {
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req.session.envVars = envVars
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debug("routes: Parsed environment variables: %O", envVars)
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}
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try {
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const host = getValidatedHost(req.params.host)
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const port = getValidatedPort(req.query.port)
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// Validate and sanitize sshterm parameter if it exists
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const sshterm = validateSshTerm(req.query.sshterm)
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req.session.sshCredentials = req.session.sshCredentials || {}
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req.session.sshCredentials.host = host
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req.session.sshCredentials.port = port
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if (req.query.sshterm) {
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req.session.sshCredentials.term = sshterm
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}
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req.session.usedBasicAuth = true
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// Sanitize and log the sshCredentials object
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const sanitizedCredentials = maskSensitiveData(
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JSON.parse(JSON.stringify(req.session.sshCredentials))
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)
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debug("/ssh/host/ Credentials: ", sanitizedCredentials)
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handleConnection(req, res, { host: host })
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} catch (err) {
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const error = new ConfigError(`Invalid configuration: ${err.message}`)
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handleError(error, res)
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}
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})
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// Clear credentials route
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router.get("/clear-credentials", (req, res) => {
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req.session.sshCredentials = null
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res.status(HTTP.OK).send(HTTP.CREDENTIALS_CLEARED)
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})
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router.get("/force-reconnect", (req, res) => {
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req.session.sshCredentials = null
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res.status(HTTP.UNAUTHORIZED).send(HTTP.AUTH_REQUIRED)
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})
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return router
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}
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