orca/src/main/ssh/ssh-system-fallback.test.ts

434 lines
13 KiB
TypeScript

import { mkdtempSync, rmSync, writeFileSync } from 'node:fs'
import { tmpdir } from 'node:os'
import { join } from 'node:path'
import { EventEmitter } from 'node:events'
import { PassThrough } from 'node:stream'
import { describe, expect, it, vi, beforeEach } from 'vitest'
const { existsSyncMock, spawnMock } = vi.hoisted(() => ({
existsSyncMock: vi.fn(),
spawnMock: vi.fn()
}))
vi.mock('fs', async (importOriginal) => {
const actual = (await importOriginal()) as Record<string, unknown>
return {
...actual,
existsSync: existsSyncMock
}
})
vi.mock('child_process', () => ({
spawn: spawnMock
}))
import {
buildSshArgs,
findSystemSsh,
spawnSystemSsh,
spawnSystemSshCommand,
uploadDirectoryViaSystemSsh,
writeFileViaSystemSsh
} from './ssh-system-fallback'
import { getRemoteHostPlatform } from './ssh-remote-platform'
import type { SshTarget } from '../../shared/ssh-types'
function createTarget(overrides?: Partial<SshTarget>): SshTarget {
return {
id: 'target-1',
label: 'Test Server',
host: 'example.com',
port: 22,
username: 'deploy',
...overrides
}
}
type EventedProcess = EventEmitter & {
stdin: EventEmitter & {
write: ReturnType<typeof vi.fn>
end: ReturnType<typeof vi.fn>
}
stdout: EventEmitter
stderr: EventEmitter
pid: number
kill: ReturnType<typeof vi.fn>
exitCode: number | null
killed: boolean
}
function createEventedProcess(): EventedProcess {
const proc = new EventEmitter() as EventedProcess
proc.stdin = Object.assign(new EventEmitter(), {
write: vi.fn((_chunk, _encoding, cb?: (err?: Error | null) => void) => cb?.()),
end: vi.fn()
})
proc.stdout = new EventEmitter()
proc.stderr = new EventEmitter()
proc.pid = 12345
proc.kill = vi.fn()
proc.exitCode = null
proc.killed = false
return proc
}
function createMockChildProcess(): EventEmitter & {
stdin: PassThrough
stdout: PassThrough
stderr: PassThrough
pid: number
kill: ReturnType<typeof vi.fn>
killed: boolean
exitCode: number | null
} {
const child = new EventEmitter() as EventEmitter & {
stdin: PassThrough
stdout: PassThrough
stderr: PassThrough
pid: number
kill: ReturnType<typeof vi.fn>
killed: boolean
exitCode: number | null
}
child.stdin = new PassThrough()
child.stdout = new PassThrough()
child.stderr = new PassThrough()
child.pid = 12345
child.killed = false
child.exitCode = null
child.kill = vi.fn(() => {
child.killed = true
return true
})
return child
}
describe('findSystemSsh', () => {
beforeEach(() => {
existsSyncMock.mockReset()
})
it('returns the first existing ssh path', () => {
existsSyncMock.mockImplementation((p: string) => p === '/usr/bin/ssh')
expect(findSystemSsh()).toBe('/usr/bin/ssh')
})
it('returns null when no ssh binary is found', () => {
existsSyncMock.mockReturnValue(false)
expect(findSystemSsh()).toBeNull()
})
})
describe('spawnSystemSsh', () => {
let mockProc: {
stdin: {
write: ReturnType<typeof vi.fn>
end: ReturnType<typeof vi.fn>
on: ReturnType<typeof vi.fn>
}
stdout: { on: ReturnType<typeof vi.fn> }
stderr: { on: ReturnType<typeof vi.fn> }
pid: number
on: ReturnType<typeof vi.fn>
kill: ReturnType<typeof vi.fn>
}
beforeEach(() => {
existsSyncMock.mockReset()
spawnMock.mockReset()
mockProc = {
stdin: { write: vi.fn(), end: vi.fn(), on: vi.fn() },
stdout: { on: vi.fn() },
stderr: { on: vi.fn() },
pid: 12345,
on: vi.fn(),
kill: vi.fn()
}
spawnMock.mockReturnValue(mockProc)
existsSyncMock.mockImplementation((p: string) => p === '/usr/bin/ssh')
})
it('spawns ssh with correct arguments for basic target', () => {
spawnSystemSsh(createTarget())
expect(spawnMock).toHaveBeenCalledWith(
'/usr/bin/ssh',
expect.arrayContaining(['-T', 'deploy@example.com']),
expect.objectContaining({ stdio: ['pipe', 'pipe', 'pipe'] })
)
})
it('includes port flag when not 22', () => {
spawnSystemSsh(createTarget({ port: 2222 }))
const args = spawnMock.mock.calls[0][1] as string[]
expect(args).toContain('-p')
expect(args).toContain('2222')
})
it('does not include port flag when port is 22', () => {
spawnSystemSsh(createTarget({ port: 22 }))
const args = spawnMock.mock.calls[0][1] as string[]
expect(args).not.toContain('-p')
})
it('includes identity file flag', () => {
spawnSystemSsh(createTarget({ identityFile: '/home/user/.ssh/id_ed25519' }))
const args = spawnMock.mock.calls[0][1] as string[]
expect(args).toContain('-i')
expect(args).toContain('/home/user/.ssh/id_ed25519')
})
it('includes identity agent option', () => {
spawnSystemSsh(createTarget({ identityAgent: '/home/user/.1password/agent.sock' }))
const args = spawnMock.mock.calls[0][1] as string[]
expect(args).toContain('-o')
expect(args).toContain('IdentityAgent=/home/user/.1password/agent.sock')
})
it('includes identities only option', () => {
spawnSystemSsh(createTarget({ identitiesOnly: true }))
const args = spawnMock.mock.calls[0][1] as string[]
expect(args).toContain('-o')
expect(args).toContain('IdentitiesOnly=yes')
})
it('includes jump host flag', () => {
spawnSystemSsh(createTarget({ jumpHost: 'bastion.example.com' }))
const args = spawnMock.mock.calls[0][1] as string[]
expect(args).toContain('-J')
expect(args).toContain('bastion.example.com')
})
it('includes proxy command flag', () => {
spawnSystemSsh(createTarget({ proxyCommand: 'ssh -W %h:%p bastion' }))
const args = spawnMock.mock.calls[0][1] as string[]
expect(args).toContain('-o')
expect(args).toContain('ProxyCommand=ssh -W %h:%p bastion')
})
it('uses configHost without resolved field overrides so OpenSSH sees the Host block', () => {
const args = buildSshArgs(
createTarget({
configHost: 'fdpass-host',
host: 'resolved.example.com',
port: 2222,
username: 'deploy',
identityFile: '/tmp/key',
identityAgent: '/tmp/agent.sock',
proxyCommand: 'ignored'
})
)
expect(args).toContain('deploy@fdpass-host')
expect(args).not.toContain('resolved.example.com')
expect(args).not.toContain('-p')
expect(args).not.toContain('-i')
expect(args).not.toContain('IdentityAgent=/tmp/agent.sock')
expect(args).not.toContain('ProxyCommand=ignored')
})
it('spawns a remote command through the system ssh target', () => {
spawnSystemSshCommand(createTarget({ configHost: 'fdpass-host' }), 'echo hello')
expect(spawnMock).toHaveBeenCalledWith(
'/usr/bin/ssh',
expect.arrayContaining(['--', 'deploy@fdpass-host', "exec /bin/sh -c 'echo hello'"]),
expect.objectContaining({ stdio: ['pipe', 'pipe', 'pipe'] })
)
})
it('can spawn a native remote command without the POSIX shell wrapper', () => {
spawnSystemSshCommand(createTarget({ configHost: 'fdpass-host' }), 'echo hello', {
wrapCommand: false
})
expect(spawnMock).toHaveBeenCalledWith(
'/usr/bin/ssh',
expect.arrayContaining(['--', 'deploy@fdpass-host', 'echo hello']),
expect.objectContaining({ stdio: ['pipe', 'pipe', 'pipe'] })
)
})
it('exposes child stdin so remote commands receive EOF', () => {
const channel = spawnSystemSshCommand(createTarget(), 'cat > /tmp/file')
channel.stdin.end('contents')
expect(mockProc.stdin.end).toHaveBeenCalledWith('contents')
})
it('removes wrapped process listeners after command close', () => {
const proc = createEventedProcess()
spawnMock.mockReturnValue(proc)
const channel = spawnSystemSshCommand(createTarget(), 'echo hello')
const onClose = vi.fn()
channel.on('close', onClose)
proc.emit('close', 0, null)
expect(onClose).toHaveBeenCalledWith(0, null)
expect(proc.stdout.listenerCount('data')).toBe(0)
expect(proc.stdout.listenerCount('end')).toBe(0)
expect(proc.stdout.listenerCount('error')).toBe(0)
expect(proc.stdin.listenerCount('error')).toBe(0)
expect(proc.listenerCount('exit')).toBe(0)
expect(proc.listenerCount('close')).toBe(0)
expect(proc.listenerCount('error')).toBe(0)
})
it('removes write command wait listeners after close', async () => {
const proc = createEventedProcess()
spawnMock.mockReturnValue(proc)
const promise = writeFileViaSystemSsh(createTarget(), '/tmp/file', 'contents')
proc.emit('close', 0, null)
await expect(promise).resolves.toBeUndefined()
expect(proc.stdin.end).toHaveBeenCalledWith('contents')
expect(proc.stderr.listenerCount('data')).toBe(0)
})
it('writes files to Windows system SSH targets with PowerShell stdin bytes', async () => {
const proc = createEventedProcess()
spawnMock.mockReturnValue(proc)
const hostPlatform = getRemoteHostPlatform('win32-x64')
const promise = writeFileViaSystemSsh(
createTarget(),
'C:/Users/me/.orca-remote/relay/.version',
'0.1.0',
{ hostPlatform }
)
proc.emit('close', 0, null)
await expect(promise).resolves.toBeUndefined()
const args = spawnMock.mock.calls[0][1] as string[]
const remoteCommand = args.at(-1) ?? ''
expect(remoteCommand).toContain('powershell.exe')
expect(remoteCommand).not.toContain('/bin/sh')
expect(proc.stdin.end).toHaveBeenCalledWith(Buffer.from('0.1.0', 'utf-8'))
})
it('uploads directories to Windows system SSH targets in one PowerShell batch', async () => {
const localDir = mkdtempSync(join(tmpdir(), 'orca-system-ssh-upload-'))
writeFileSync(join(localDir, 'relay.js'), 'console.log("relay")')
const spawned: EventedProcess[] = []
spawnMock.mockImplementation(() => {
const proc = createEventedProcess()
spawned.push(proc)
queueMicrotask(() => proc.emit('close', 0, null))
return proc
})
try {
await uploadDirectoryViaSystemSsh(
createTarget(),
localDir,
'C:/Users/me/.orca-remote/relay',
{ hostPlatform: getRemoteHostPlatform('win32-x64') }
)
} finally {
rmSync(localDir, { recursive: true, force: true })
}
const commands = spawnMock.mock.calls.map((call) => (call[1] as string[]).at(-1) ?? '')
expect(commands).toHaveLength(1)
expect(commands.every((command) => command.includes('powershell.exe'))).toBe(true)
expect(commands.every((command) => !command.includes('/bin/sh'))).toBe(true)
expect(commands.join('\n')).not.toContain('tar -xzf')
const payload = JSON.parse(spawned[0].stdin.end.mock.calls[0]?.[0] as string) as {
kind: string
path: string
contentsBase64?: string
}[]
expect(payload).toEqual(
expect.arrayContaining([
{ kind: 'directory', path: 'C:/Users/me/.orca-remote/relay' },
{
kind: 'file',
path: 'C:/Users/me/.orca-remote/relay/relay.js',
contentsBase64: Buffer.from('console.log("relay")').toString('base64')
}
])
)
})
it('throws when no system ssh is found', () => {
existsSyncMock.mockReturnValue(false)
expect(() => spawnSystemSsh(createTarget())).toThrow('No system ssh binary found')
})
it('returns a process wrapper with kill and onExit', () => {
const result = spawnSystemSsh(createTarget())
expect(result.pid).toBe(12345)
expect(typeof result.kill).toBe('function')
expect(typeof result.onExit).toBe('function')
})
})
describe('system SSH operation aborts', () => {
beforeEach(() => {
existsSyncMock.mockReset()
spawnMock.mockReset()
existsSyncMock.mockImplementation((p: string) => p === '/usr/bin/ssh')
})
it('rejects directory uploads when aborted even if child processes do not close', async () => {
const tarCreate = createMockChildProcess()
const sshExtract = createMockChildProcess()
spawnMock.mockReturnValueOnce(tarCreate).mockReturnValueOnce(sshExtract)
const controller = new AbortController()
const uploadPromise = uploadDirectoryViaSystemSsh(
createTarget(),
'/tmp/local-relay',
'/tmp/remote-relay',
{ signal: controller.signal }
)
controller.abort()
const outcome = await Promise.race([
uploadPromise.then(
() => 'resolved',
(error: Error) => error.name
),
new Promise<string>((resolve) => setTimeout(() => resolve('pending'), 0))
])
expect(outcome).toBe('AbortError')
expect(tarCreate.kill).toHaveBeenCalledTimes(1)
expect(sshExtract.kill).toHaveBeenCalledTimes(1)
})
it('rejects remote file writes when aborted even if ssh never closes', async () => {
const sshProcess = createMockChildProcess()
spawnMock.mockReturnValueOnce(sshProcess)
const controller = new AbortController()
const writePromise = writeFileViaSystemSsh(createTarget(), '/tmp/remote-file', 'contents', {
signal: controller.signal
})
controller.abort()
const outcome = await Promise.race([
writePromise.then(
() => 'resolved',
(error: Error) => error.name
),
new Promise<string>((resolve) => setTimeout(() => resolve('pending'), 0))
])
expect(outcome).toBe('AbortError')
expect(sshProcess.kill).toHaveBeenCalledTimes(1)
})
})