185 lines
5.8 KiB
TypeScript

import colors from 'ansi-colors'
import { Spinner } from 'cli-spinner'
import { Component, Injector } from '@angular/core'
import { NgbModal } from '@ng-bootstrap/ng-bootstrap'
import { first } from 'rxjs/operators'
import { RecoveryToken } from 'terminus-core'
import { BaseTerminalTabComponent } from 'terminus-terminal'
import { SSHService } from '../services/ssh.service'
import { SSHConnection, SSHSession } from '../api'
import { SSHPortForwardingModalComponent } from './sshPortForwardingModal.component'
import { Subscription } from 'rxjs'
/** @hidden */
@Component({
selector: 'ssh-tab',
template: BaseTerminalTabComponent.template + require<string>('./sshTab.component.pug'),
styles: [require('./sshTab.component.scss'), ...BaseTerminalTabComponent.styles],
animations: BaseTerminalTabComponent.animations,
})
export class SSHTabComponent extends BaseTerminalTabComponent {
connection: SSHConnection
session: SSHSession
private sessionStack: SSHSession[] = []
private homeEndSubscription: Subscription
constructor (
injector: Injector,
public ssh: SSHService,
private ngbModal: NgbModal,
) {
super(injector)
}
ngOnInit (): void {
this.logger = this.log.create('terminalTab')
this.enableDynamicTitle = !this.connection.disableDynamicTitle
this.homeEndSubscription = this.hotkeys.matchedHotkey.subscribe(hotkey => {
if (!this.hasFocus) {
return
}
switch (hotkey) {
case 'home':
this.sendInput('\x1b[H' )
break
case 'end':
this.sendInput('\x1b[F' )
break
}
})
this.frontendReady$.pipe(first()).subscribe(() => {
this.initializeSession()
})
super.ngOnInit()
setImmediate(() => {
this.setTitle(this.connection.name)
})
}
async setupOneSession (session: SSHSession): Promise<void> {
if (session.connection.jumpHost) {
const jumpConnection = this.config.store.ssh.connections.find(x => x.name === session.connection.jumpHost)
const jumpSession = this.ssh.createSession(jumpConnection)
await this.setupOneSession(jumpSession)
jumpSession.destroyed$.subscribe(() => session.destroy())
session.jumpStream = await new Promise((resolve, reject) => jumpSession.ssh.forwardOut(
'127.0.0.1', 0, session.connection.host, session.connection.port,
(err, stream) => {
if (err) {
jumpSession.emitServiceMessage(colors.bgRed.black(' X ') + ` Could not set up port forward on ${jumpConnection.name}`)
return reject(err)
}
resolve(stream)
}
))
session.jumpStream.on('close', () => {
jumpSession.destroy()
})
this.sessionStack.push(session)
}
session.serviceMessage$.subscribe(msg => {
this.write('\r\n' + colors.black.bgWhite(' SSH ') + ' ' + msg + '\r\n')
session.resize(this.size.columns, this.size.rows)
})
session.destroyed$.subscribe(() => {
this.write('\r\n' + colors.black.bgCyan(' SSH ') + ` ${session.connection.host}: session closed\r\n`)
})
this.write('\r\n' + colors.black.bgCyan(' SSH ') + ` Connecting to ${session.connection.host}\r\n`)
const spinner = new Spinner({
text: 'Connecting',
stream: {
write: x => this.write(x),
},
})
spinner.setSpinnerString(6)
spinner.start()
try {
await this.ssh.connectSession(session, (message: string) => {
spinner.stop(true)
this.write(message + '\r\n')
spinner.start()
})
spinner.stop(true)
} catch (e) {
spinner.stop(true)
this.write(colors.black.bgRed(' X ') + ' ' + colors.red(e.message) + '\r\n')
return
}
}
async initializeSession (): Promise<void> {
if (!this.connection) {
this.logger.error('No SSH connection info supplied')
return
}
this.session = this.ssh.createSession(this.connection)
await this.setupOneSession(this.session)
this.attachSessionHandlers()
await this.session.start()
this.session.resize(this.size.columns, this.size.rows)
}
async getRecoveryToken (): Promise<RecoveryToken> {
return {
type: 'app:ssh-tab',
connection: this.connection,
savedState: this.frontend?.saveState(),
}
}
showPortForwarding (): void {
const modal = this.ngbModal.open(SSHPortForwardingModalComponent).componentInstance as SSHPortForwardingModalComponent
modal.session = this.session
}
async reconnect (): Promise<void> {
this.session?.destroy()
await this.initializeSession()
this.session.releaseInitialDataBuffer()
}
async canClose (): Promise<boolean> {
if (!this.session?.open) {
return true
}
if (!(this.connection.warnOnClose ?? this.config.store.ssh.warnOnClose)) {
return true
}
return (await this.electron.showMessageBox(
this.hostApp.getWindow(),
{
type: 'warning',
message: `Disconnect from ${this.connection.host}?`,
buttons: ['Cancel', 'Disconnect'],
defaultId: 1,
}
)).response === 1
}
ngOnDestroy (): void {
this.homeEndSubscription.unsubscribe()
super.ngOnDestroy()
}
}