/
config.service.ts
430 lines (400 loc) · 15 KB
/
config.service.ts
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import deepClone from 'clone-deep'
import deepEqual from 'deep-equal'
import { v4 as uuidv4 } from 'uuid'
import * as yaml from 'js-yaml'
import { Observable, Subject, AsyncSubject, lastValueFrom } from 'rxjs'
import { Injectable, Inject } from '@angular/core'
import { TranslateService } from '@ngx-translate/core'
import { ConfigProvider } from '../api/configProvider'
import { PlatformService } from '../api/platform'
import { HostAppService } from '../api/hostApp'
import { Vault, VaultService } from './vault.service'
import { serializeFunction } from '../utils'
const deepmerge = require('deepmerge')
// eslint-disable-next-line @typescript-eslint/explicit-module-boundary-types
export const configMerge = (a, b) => deepmerge(a, b, { arrayMerge: (_d, s) => s }) // eslint-disable-line @typescript-eslint/no-var-requires
const LATEST_VERSION = 1
function isStructuralMember (v) {
return v instanceof Object && !(v instanceof Array) &&
Object.keys(v).length > 0 && !v.__nonStructural
}
function isNonStructuralObjectMember (v): boolean {
return v instanceof Object && (v instanceof Array || v.__nonStructural)
}
/** @hidden */
export class ConfigProxy {
constructor (real: Record<string, any>, defaults: Record<string, any>) {
for (const key in defaults) {
if (isStructuralMember(defaults[key])) {
if (!real[key]) {
real[key] = {}
}
const proxy = new ConfigProxy(real[key], defaults[key])
Object.defineProperty(
this,
key,
{
enumerable: true,
configurable: false,
get: () => proxy,
},
)
} else {
Object.defineProperty(
this,
key,
{
enumerable: true,
configurable: false,
get: () => this.__getValue(key),
set: (value) => {
this.__setValue(key, value)
},
},
)
}
}
this.__getValue = (key: string) => { // eslint-disable-line @typescript-eslint/unbound-method
if (real[key] !== undefined) {
return real[key]
} else {
if (isNonStructuralObjectMember(defaults[key])) {
// The object might be modified outside
real[key] = this.__getDefault(key)
delete real[key].__nonStructural
return real[key]
}
return this.__getDefault(key)
}
}
this.__getDefault = (key: string) => { // eslint-disable-line @typescript-eslint/unbound-method
return deepClone(defaults[key])
}
this.__setValue = (key: string, value: any) => { // eslint-disable-line @typescript-eslint/unbound-method
if (deepEqual(value, this.__getDefault(key))) {
// eslint-disable-next-line @typescript-eslint/no-dynamic-delete
delete real[key]
} else {
real[key] = value
}
}
this.__cleanup = () => { // eslint-disable-line @typescript-eslint/unbound-method
// Trigger removal of default values
for (const key in defaults) {
if (isStructuralMember(defaults[key])) {
this[key].__cleanup()
} else {
const v = this.__getValue(key)
this.__setValue(key, v)
}
}
}
}
// eslint-disable-next-line @typescript-eslint/explicit-module-boundary-types, @typescript-eslint/no-empty-function
__getValue (_key: string): any { }
// eslint-disable-next-line @typescript-eslint/explicit-module-boundary-types, @typescript-eslint/no-empty-function
__setValue (_key: string, _value: any) { }
// eslint-disable-next-line @typescript-eslint/explicit-module-boundary-types, @typescript-eslint/no-empty-function
__getDefault (_key: string): any { }
// eslint-disable-next-line @typescript-eslint/explicit-module-boundary-types, @typescript-eslint/no-empty-function
__cleanup () { }
}
@Injectable({ providedIn: 'root' })
export class ConfigService {
/**
* Contains the actual config values
*/
store: any
/**
* Whether an app restart is required due to recent changes
*/
restartRequested: boolean
/** Fires once when the config is loaded */
get ready$ (): Observable<boolean> { return this.ready }
private ready = new AsyncSubject<boolean>()
private changed = new Subject<void>()
private _store: any
private defaults: any
private servicesCache: Record<string, Function[]>|null = null // eslint-disable-line @typescript-eslint/ban-types
get changed$ (): Observable<void> { return this.changed }
/** @hidden */
private constructor (
private hostApp: HostAppService,
private platform: PlatformService,
private vault: VaultService,
private translate: TranslateService,
@Inject(ConfigProvider) private configProviders: ConfigProvider[],
) {
this.defaults = this.mergeDefaults()
setTimeout(() => this.init())
vault.contentChanged$.subscribe(() => {
this.store.vault = vault.store
this.save()
})
this.save = serializeFunction(this.save.bind(this))
}
mergeDefaults (): unknown {
const providers = this.configProviders
return providers.map(provider => {
let defaults = provider.platformDefaults[this.hostApp.configPlatform] ?? {}
defaults = configMerge(
defaults,
provider.platformDefaults[this.hostApp.platform] ?? {},
)
if (provider.defaults) {
defaults = configMerge(provider.defaults, defaults)
}
return defaults
}).reduce(configMerge)
}
getDefaults (): Record<string, any> {
const cleanup = o => {
if (o instanceof Array) {
return o.map(cleanup)
} else if (o instanceof Object) {
const r = {}
for (const k of Object.keys(o)) {
if (k !== '__nonStructural') {
r[k] = cleanup(o[k])
}
}
return r
} else {
return o
}
}
return cleanup(this.defaults)
}
async load (): Promise<void> {
const content = await this.platform.loadConfig()
if (content) {
this._store = yaml.load(content)
} else {
this._store = { version: LATEST_VERSION }
}
this._store = await this.maybeDecryptConfig(this._store)
this.migrate(this._store)
this.store = new ConfigProxy(this._store, this.defaults)
this.vault.setStore(this.store.vault)
}
async save (): Promise<void> {
await lastValueFrom(this.ready$)
if (!this._store) {
throw new Error('Cannot save an empty store')
}
// Scrub undefined values
let cleanStore = JSON.parse(JSON.stringify(this._store))
cleanStore = await this.maybeEncryptConfig(cleanStore)
await this.platform.saveConfig(yaml.dump(cleanStore))
this.emitChange()
}
/**
* Reads config YAML as string
*/
readRaw (): string {
return yaml.dump(this._store)
}
/**
* Writes config YAML as string
*/
async writeRaw (data: string): Promise<void> {
this._store = yaml.load(data)
await this.save()
await this.load()
this.emitChange()
}
requestRestart (): void {
this.restartRequested = true
}
/**
* Filters a list of Angular services to only include those provided
* by plugins that are enabled
*
* @typeparam T Base provider type
*/
enabledServices<T extends object> (services: T[]|undefined): T[] { // eslint-disable-line @typescript-eslint/ban-types
if (!services) {
return []
}
if (!this.servicesCache) {
this.servicesCache = {}
for (const imp of window['pluginModules']) {
const module = imp.ngModule || imp
if (module.ɵinj?.providers) {
this.servicesCache[module.pluginName] = module.ɵinj.providers.map(provider => {
return provider.useClass ?? provider.useExisting ?? provider
})
}
}
}
return services.filter(service => {
for (const pluginName in this.servicesCache) {
if (this.servicesCache[pluginName].includes(service.constructor)) {
const id = `${pluginName}:${service.constructor.name}`
return !this.store?.pluginBlacklist?.includes(pluginName)
&& !this.store?.providerBlacklist?.includes(id)
}
}
return true
})
}
private async init () {
await this.load()
this.ready.next(true)
this.ready.complete()
this.hostApp.configChangeBroadcast$.subscribe(async () => {
await this.load()
this.emitChange()
})
}
private emitChange (): void {
this.vault.setStore(this.store.vault)
this.changed.next()
}
private migrate (config) {
config.version ??= 0
if (config.version < 1) {
for (const connection of config.ssh?.connections ?? []) {
if (connection.privateKey) {
connection.privateKeys = [connection.privateKey]
delete connection.privateKey
}
}
config.version = 1
}
if (config.version < 2) {
config.profiles ??= []
if (config.terminal?.recoverTabs !== undefined) {
config.recoverTabs = config.terminal.recoverTabs
delete config.terminal.recoverTabs
}
for (const profile of config.terminal?.profiles ?? []) {
if (profile.sessionOptions) {
profile.options = profile.sessionOptions
delete profile.sessionOptions
}
profile.type = 'local'
profile.id = `local:custom:${uuidv4()}`
}
if (config.terminal?.profiles) {
config.profiles = config.terminal.profiles
delete config.terminal.profiles
delete config.terminal.environment
config.terminal.profile = `local:${config.terminal.profile}`
}
config.version = 2
}
if (config.version < 3) {
delete config.ssh?.recentConnections
for (const c of config.ssh?.connections ?? []) {
const p = {
id: `ssh:${uuidv4()}`,
type: 'ssh',
icon: 'fas fa-desktop',
name: c.name,
group: c.group ?? undefined,
color: c.color,
disableDynamicTitle: c.disableDynamicTitle,
options: c,
}
config.profiles.push(p)
}
for (const p of config.profiles ?? []) {
if (p.type === 'ssh') {
if (p.options.jumpHost) {
p.options.jumpHost = config.profiles.find(x => x.name === p.options.jumpHost)?.id
}
}
}
for (const c of config.serial?.connections ?? []) {
const p = {
id: `serial:${uuidv4()}`,
type: 'serial',
icon: 'fas fa-microchip',
name: c.name,
group: c.group ?? undefined,
color: c.color,
options: c,
}
config.profiles.push(p)
}
delete config.ssh?.connections
delete config.serial?.connections
delete window.localStorage.lastSerialConnection
config.version = 3
}
}
private async maybeDecryptConfig (store) {
if (!store.encrypted) {
return store
}
// eslint-disable-next-line @typescript-eslint/init-declarations
let decryptedVault: Vault
while (true) {
try {
const passphrase = await this.vault.getPassphrase()
decryptedVault = await this.vault.decrypt(store.vault, passphrase)
break
} catch (e) {
let result = await this.platform.showMessageBox({
type: 'error',
message: this.translate.instant('Could not decrypt config'),
detail: e.toString(),
buttons: [
this.translate.instant('Try again'),
this.translate.instant('Erase config'),
this.translate.instant('Quit'),
],
defaultId: 0,
})
if (result.response === 2) {
this.platform.quit()
}
if (result.response === 1) {
result = await this.platform.showMessageBox({
type: 'warning',
message: this.translate.instant('Are you sure?'),
detail: e.toString(),
buttons: [
this.translate.instant('Erase config'),
this.translate.instant('Quit'),
],
defaultId: 1,
cancelId: 1,
})
if (result.response === 1) {
this.platform.quit()
}
return {}
}
}
}
delete decryptedVault.config.vault
delete decryptedVault.config.encrypted
delete decryptedVault.config.configSync
return {
...decryptedVault.config,
vault: store.vault,
encrypted: store.encrypted,
configSync: store.configSync,
}
}
private async maybeEncryptConfig (store) {
if (!store.encrypted) {
return store
}
const vault = await this.vault.load()
if (!vault) {
throw new Error('Vault not configured')
}
vault.config = { ...store }
delete vault.config.vault
delete vault.config.encrypted
delete vault.config.configSync
return {
vault: await this.vault.encrypt(vault),
encrypted: true,
configSync: store.configSync,
}
}
}