import { Observable, of, ReplaySubject } from 'rxjs'
import { catchError, first, map, shareReplay } from 'rxjs/operators'
import { HttpClient } from '@angular/common/http'
import { Inject, Injectable, LOCALE_ID, NgZone } from '@angular/core'
import { VideoEditType } from '@app/+videos/+video-edit/shared/video-edit.type'
import { AuthService } from '@app/core/auth'
import { Notifier } from '@app/core/notification'
import { MarkdownService } from '@app/core/renderer'
import { RestExtractor } from '@app/core/rest'
import { ServerService } from '@app/core/server/server.service'
import { getDevLocale, isOnDevLocale } from '@app/helpers'
import { CustomModalComponent } from '@app/modal/custom-modal.component'
import { FormFields, Hooks, loadPlugin, PluginInfo, runHook } from '@root-helpers/plugins'
import { getCompleteLocale, isDefaultLocale, peertubeTranslate } from '@shared/core-utils/i18n'
import {
ClientHook,
ClientHookName,
PluginClientScope,
PluginTranslation,
PluginType,
PublicServerSetting,
RegisterClientSettingsScript,
ServerConfigPlugin
} from '@shared/models'
import { environment } from '../../../environments/environment'
import { RegisterClientHelpers } from '../../../types/register-client-option.model'
@Injectable()
export class PluginService implements ClientHook {
private static BASE_PLUGIN_API_URL = environment.apiUrl + '/api/v1/plugins'
private static BASE_PLUGIN_URL = environment.apiUrl + '/plugins'
pluginsBuilt = new ReplaySubject<boolean>(1)
pluginsLoaded: { [ scope in PluginClientScope ]: ReplaySubject<boolean> } = {
common: new ReplaySubject<boolean>(1),
'admin-plugin': new ReplaySubject<boolean>(1),
search: new ReplaySubject<boolean>(1),
'video-watch': new ReplaySubject<boolean>(1),
signup: new ReplaySubject<boolean>(1),
login: new ReplaySubject<boolean>(1),
'video-edit': new ReplaySubject<boolean>(1),
embed: new ReplaySubject<boolean>(1)
}
translationsObservable: Observable<PluginTranslation>
customModal: CustomModalComponent
private plugins: ServerConfigPlugin[] = []
private helpers: { [ npmName: string ]: RegisterClientHelpers } = {}
private scopes: { [ scopeName: string ]: PluginInfo[] } = {}
private loadedScripts: { [ script: string ]: boolean } = {}
private loadedScopes: PluginClientScope[] = []
private loadingScopes: { [id in PluginClientScope]?: boolean } = {}
private hooks: Hooks = {}
private formFields: FormFields = {
video: []
}
private settingsScripts: { [ npmName: string ]: RegisterClientSettingsScript } = {}
constructor (
private authService: AuthService,
private notifier: Notifier,
private markdownRenderer: MarkdownService,
private server: ServerService,
private zone: NgZone,
private authHttp: HttpClient,
private restExtractor: RestExtractor,
@Inject(LOCALE_ID) private localeId: string
) {
this.loadTranslations()
}
initializePlugins () {
this.server.getConfig()
.subscribe(config => {
this.plugins = config.plugin.registered
this.buildScopeStruct()
this.pluginsBuilt.next(true)
})
}
initializeCustomModal (customModal: CustomModalComponent) {
this.customModal = customModal
}
ensurePluginsAreBuilt () {
return this.pluginsBuilt.asObservable()
.pipe(first(), shareReplay())
.toPromise()
}
ensurePluginsAreLoaded (scope: PluginClientScope) {
this.loadPluginsByScope(scope)
return this.pluginsLoaded[scope].asObservable()
.pipe(first(), shareReplay())
.toPromise()
}
addPlugin (plugin: ServerConfigPlugin, isTheme = false) {
const pathPrefix = this.getPluginPathPrefix(isTheme)
for (const key of Object.keys(plugin.clientScripts)) {
const clientScript = plugin.clientScripts[key]
for (const scope of clientScript.scopes) {
if (!this.scopes[scope]) this.scopes[scope] = []
this.scopes[scope].push({
plugin,
clientScript: {
script: `${pathPrefix}/${plugin.name}/${plugin.version}/client-scripts/${clientScript.script}`,
scopes: clientScript.scopes
},
pluginType: isTheme ? PluginType.THEME : PluginType.PLUGIN,
isTheme
})
this.loadedScripts[clientScript.script] = false
}
}
}
removePlugin (plugin: ServerConfigPlugin) {
for (const key of Object.keys(this.scopes)) {
this.scopes[key] = this.scopes[key].filter(o => o.plugin.name !== plugin.name)
}
}
async reloadLoadedScopes () {
for (const scope of this.loadedScopes) {
await this.loadPluginsByScope(scope, true)
}
}
async loadPluginsByScope (scope: PluginClientScope, isReload = false) {
if (this.loadingScopes[scope]) return
if (!isReload && this.loadedScopes.includes(scope)) return
this.loadingScopes[scope] = true
try {
await this.ensurePluginsAreBuilt()
if (!isReload) this.loadedScopes.push(scope)
const toLoad = this.scopes[ scope ]
if (!Array.isArray(toLoad)) {
this.loadingScopes[scope] = false
this.pluginsLoaded[scope].next(true)
return
}
const promises: Promise<any>[] = []
for (const pluginInfo of toLoad) {
const clientScript = pluginInfo.clientScript
if (this.loadedScripts[ clientScript.script ]) continue
promises.push(this.loadPlugin(pluginInfo))
this.loadedScripts[ clientScript.script ] = true
}
await Promise.all(promises)
this.pluginsLoaded[scope].next(true)
this.loadingScopes[scope] = false
} catch (err) {
console.error('Cannot load plugins by scope %s.', scope, err)
}
}
runHook <T> (hookName: ClientHookName, result?: T, params?: any): Promise<T> {
return this.zone.runOutsideAngular(() => {
return runHook(this.hooks, hookName, result, params)
})
}
nameToNpmName (name: string, type: PluginType) {
const prefix = type === PluginType.PLUGIN
? 'peertube-plugin-'
: 'peertube-theme-'
return prefix + name
}
pluginTypeFromNpmName (npmName: string) {
return npmName.startsWith('peertube-plugin-')
? PluginType.PLUGIN
: PluginType.THEME
}
getRegisteredVideoFormFields (type: VideoEditType) {
return this.formFields.video.filter(f => f.videoFormOptions.type === type)
}
getRegisteredSettingsScript (npmName: string) {
return this.settingsScripts[npmName]
}
translateBy (npmName: string, toTranslate: string) {
const helpers = this.helpers[npmName]
if (!helpers) {
console.error('Unknown helpers to translate %s from %s.', toTranslate, npmName)
return toTranslate
}
return helpers.translate(toTranslate)
}
private loadPlugin (pluginInfo: PluginInfo) {
return this.zone.runOutsideAngular(() => {
const npmName = this.nameToNpmName(pluginInfo.plugin.name, pluginInfo.pluginType)
const helpers = this.buildPeerTubeHelpers(pluginInfo)
this.helpers[npmName] = helpers
return loadPlugin({
hooks: this.hooks,
formFields: this.formFields,
onSettingsScripts: options => this.settingsScripts[npmName] = options,
pluginInfo,
peertubeHelpersFactory: () => helpers
})
})
}
private buildScopeStruct () {
for (const plugin of this.plugins) {
this.addPlugin(plugin)
}
}
private buildPeerTubeHelpers (pluginInfo: PluginInfo): RegisterClientHelpers {
const { plugin } = pluginInfo
const npmName = this.nameToNpmName(pluginInfo.plugin.name, pluginInfo.pluginType)
return {
getBaseStaticRoute: () => {
const pathPrefix = this.getPluginPathPrefix(pluginInfo.isTheme)
return environment.apiUrl + `${pathPrefix}/${plugin.name}/${plugin.version}/static`
},
getSettings: () => {
const path = PluginService.BASE_PLUGIN_API_URL + '/' + npmName + '/public-settings'
return this.authHttp.get<PublicServerSetting>(path)
.pipe(
map(p => p.publicSettings),
catchError(res => this.restExtractor.handleError(res))
)
.toPromise()
},
getServerConfig: () => {
return this.server.getConfig()
.pipe(catchError(res => this.restExtractor.handleError(res)))
.toPromise()
},
isLoggedIn: () => {
return this.authService.isLoggedIn()
},
getAuthHeader: () => {
if (!this.authService.isLoggedIn()) return undefined
const value = this.authService.getRequestHeaderValue()
return { 'Authorization': value }
},
notifier: {
info: (text: string, title?: string, timeout?: number) => this.notifier.info(text, title, timeout),
error: (text: string, title?: string, timeout?: number) => this.notifier.error(text, title, timeout),
success: (text: string, title?: string, timeout?: number) => this.notifier.success(text, title, timeout)
},
showModal: (input: {
title: string,
content: string,
close?: boolean,
cancel?: { value: string, action?: () => void },
confirm?: { value: string, action?: () => void }
}) => {
this.customModal.show(input)
},
markdownRenderer: {
textMarkdownToHTML: (textMarkdown: string) => {
return this.markdownRenderer.textMarkdownToHTML(textMarkdown)
},
enhancedMarkdownToHTML: (enhancedMarkdown: string) => {
return this.markdownRenderer.enhancedMarkdownToHTML(enhancedMarkdown)
}
},
translate: (value: string) => {
return this.translationsObservable
.pipe(map(allTranslations => allTranslations[npmName]))
.pipe(map(translations => peertubeTranslate(value, translations)))
.toPromise()
}
}
}
private loadTranslations () {
const completeLocale = isOnDevLocale() ? getDevLocale() : getCompleteLocale(this.localeId)
// Default locale, nothing to translate
if (isDefaultLocale(completeLocale)) this.translationsObservable = of({}).pipe(shareReplay())
this.translationsObservable = this.authHttp
.get<PluginTranslation>(PluginService.BASE_PLUGIN_URL + '/translations/' + completeLocale + '.json')
.pipe(shareReplay())
}
private getPluginPathPrefix (isTheme: boolean) {
return isTheme ? '/themes' : '/plugins'
}
}