Files
threshold-ui/ui/desktop/electron-app/src/models/session.js
T
Susmitha Girumala 56936f78b8 chore: Update cancel to stop for ipc sessions call
Additional cleanup: remove unused async calls, separate session and
associated manager models, & attempt encoding origin url as part of
sanitization for cli command
2021-05-12 15:31:28 -04:00

102 lines
2.2 KiB
JavaScript

const { spawnAsyncJSONPromise } = require('../helpers/spawn-promise.js');
const base62 = require('../utils/base62.js');
class Session {
#id;
#addr;
#token;
#hostId;
#process;
#targetId;
#proxyDetails;
/**
* Initialize a session to a controller address
* using target details.
* @param {string} addr
* @param {string} targetId
* @param {string} token
* @param {string} hostId
*/
constructor(addr, targetId, token, hostId) {
this.#addr = addr;
this.#targetId = targetId;
this.#token = token;
this.#hostId = hostId;
}
/**
* Session id
* @return {string}
*/
get id() {
return this.#id;
}
/**
* @return {boolean}
*/
get isActive() {
return !this.#process.killed;
}
/**
* Using cli, initialize a session to a target.
* Tracks local proxy details if successful.
*/
start() {
const command = this.cliCommand();
return spawnAsyncJSONPromise(command).then((spawnedSession) => {
this.#process = spawnedSession.childProcess;
this.#proxyDetails = spawnedSession.response;
this.#process = spawnedSession.childProcess;
this.#id = this.#proxyDetails.session_id;
return this.#proxyDetails;
});
}
/**
* Stop proxy process used by session.
*/
stop() {
return new Promise((resolve, reject) => {
if (this.isActive) {
this.#process.on('close', () => resolve());
this.#process.on('error', (e) => reject(e));
this.#process.kill();
} else {
// Do nothing when process isn't active
resolve();
}
});
}
/**
* Generate cli command for session.
* @returns {[]}
*/
cliCommand() {
const sanitized = {
target_id: base62.escapeAndValidate(this.#targetId),
token: base62.escapeAndValidate(this.#token),
addr: encodeURI(this.#addr),
};
const command = [
'connect',
`-target-id=${sanitized.target_id}`,
`-token=${sanitized.token}`,
`-addr=${sanitized.addr}`,
'-format=json',
];
if (this.#hostId) {
sanitized.host_id = base62.escapeAndValidate(this.#hostId);
command.push(`-host-id=${sanitized.host_id}`);
}
return command;
}
}
module.exports = Session;