Support plugin hooks in embed

8 files changed, 217 insertions, 114 deletions

diff --git a/client/src/app/core/plugins/plugin.service.ts b/client/src/app/core/plugins/plugin.service.ts
index dc115c0e1..871613b89 100644
--- a/client/src/app/core/plugins/plugin.service.ts
+++ b/client/src/app/core/plugins/plugin.service.ts
@@ -7,38 +7,22 @@ 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, importModule, isOnDevLocale } from '@app/helpers'
+import { getDevLocale, isOnDevLocale } from '@app/helpers'
 import { CustomModalComponent } from '@app/modal/custom-modal.component'
+import { Hooks, loadPlugin, PluginInfo, runHook } from '@root-helpers/plugins'
 import { getCompleteLocale, isDefaultLocale, peertubeTranslate } from '@shared/core-utils/i18n'
-import { getHookType, internalRunHook } from '@shared/core-utils/plugins/hooks'
 import {
   ClientHook,
   ClientHookName,
-  clientHookObject,
-  ClientScript,
   PluginClientScope,
   PluginTranslation,
   PluginType,
   PublicServerSetting,
-  RegisterClientHookOptions,
   ServerConfigPlugin
 } from '@shared/models'
 import { environment } from '../../../environments/environment'
-import { ClientScript as ClientScriptModule } from '../../../types/client-script.model'
 import { RegisterClientHelpers } from '../../../types/register-client-option.model'
 
-interface HookStructValue extends RegisterClientHookOptions {
-  plugin: ServerConfigPlugin
-  clientScript: ClientScript
-}
-
-type PluginInfo = {
-  plugin: ServerConfigPlugin
-  clientScript: ClientScript
-  pluginType: PluginType
-  isTheme: boolean
-}
-
 @Injectable()
 export class PluginService implements ClientHook {
   private static BASE_PLUGIN_API_URL = environment.apiUrl + '/api/v1/plugins'
@@ -51,7 +35,8 @@ export class PluginService implements ClientHook {
     search: new ReplaySubject<boolean>(1),
     'video-watch': new ReplaySubject<boolean>(1),
     signup: new ReplaySubject<boolean>(1),
-    login: new ReplaySubject<boolean>(1)
+    login: new ReplaySubject<boolean>(1),
+    embed: new ReplaySubject<boolean>(1)
   }
 
   translationsObservable: Observable<PluginTranslation>
@@ -64,7 +49,7 @@ export class PluginService implements ClientHook {
   private loadedScopes: PluginClientScope[] = []
   private loadingScopes: { [id in PluginClientScope]?: boolean } = {}
 
-  private hooks: { [ name: string ]: HookStructValue[] } = {}
+  private hooks: Hooks = {}
 
   constructor (
     private authService: AuthService,
@@ -120,7 +105,7 @@ export class PluginService implements ClientHook {
         this.scopes[scope].push({
           plugin,
           clientScript: {
-            script: environment.apiUrl + `${pathPrefix}/${plugin.name}/${plugin.version}/client-scripts/${clientScript.script}`,
+            script: `${pathPrefix}/${plugin.name}/${plugin.version}/client-scripts/${clientScript.script}`,
             scopes: clientScript.scopes
           },
           pluginType: isTheme ? PluginType.THEME : PluginType.PLUGIN,
@@ -184,20 +169,8 @@ export class PluginService implements ClientHook {
   }
 
   runHook <T> (hookName: ClientHookName, result?: T, params?: any): Promise<T> {
-    return this.zone.runOutsideAngular(async () => {
-      if (!this.hooks[ hookName ]) return result
-
-      const hookType = getHookType(hookName)
-
-      for (const hook of this.hooks[ hookName ]) {
-        console.log('Running hook %s of plugin %s.', hookName, hook.plugin.name)
-
-        result = await internalRunHook(hook.handler, hookType, result, params, err => {
-          console.error('Cannot run hook %s of script %s of plugin %s.', hookName, hook.clientScript.script, hook.plugin.name, err)
-        })
-      }
-
-      return result
+    return this.zone.runOutsideAngular(() => {
+      return runHook(this.hooks, hookName, result, params)
     })
   }
 
@@ -216,34 +189,8 @@ export class PluginService implements ClientHook {
   }
 
   private loadPlugin (pluginInfo: PluginInfo) {
-    const { plugin, clientScript } = pluginInfo
-
-    const registerHook = (options: RegisterClientHookOptions) => {
-      if (clientHookObject[options.target] !== true) {
-        console.error('Unknown hook %s of plugin %s. Skipping.', options.target, plugin.name)
-        return
-      }
-
-      if (!this.hooks[options.target]) this.hooks[options.target] = []
-
-      this.hooks[options.target].push({
-        plugin,
-        clientScript,
-        target: options.target,
-        handler: options.handler,
-        priority: options.priority || 0
-      })
-    }
-
-    const peertubeHelpers = this.buildPeerTubeHelpers(pluginInfo)
-
-    console.log('Loading script %s of plugin %s.', clientScript.script, plugin.name)
-
     return this.zone.runOutsideAngular(() => {
-      return importModule(clientScript.script)
-        .then((script: ClientScriptModule) => script.register({ registerHook, peertubeHelpers }))
-        .then(() => this.sortHooksByPriority())
-        .catch(err => console.error('Cannot import or register plugin %s.', pluginInfo.plugin.name, err))
+      return loadPlugin(this.hooks, pluginInfo, pluginInfo => this.buildPeerTubeHelpers(pluginInfo))
     })
   }
 
@@ -253,14 +200,6 @@ export class PluginService implements ClientHook {
     }
   }
 
-  private sortHooksByPriority () {
-    for (const hookName of Object.keys(this.hooks)) {
-      this.hooks[hookName].sort((a, b) => {
-        return b.priority - a.priority
-      })
-    }
-  }
-
   private buildPeerTubeHelpers (pluginInfo: PluginInfo): RegisterClientHelpers {
     const { plugin } = pluginInfo
     const npmName = this.nameToNpmName(pluginInfo.plugin.name, pluginInfo.pluginType)
diff --git a/client/src/app/helpers/utils.ts b/client/src/app/helpers/utils.ts
index d05541ca9..d9007dd77 100644
--- a/client/src/app/helpers/utils.ts
+++ b/client/src/app/helpers/utils.ts
@@ -148,41 +148,6 @@ function scrollToTop () {
   window.scroll(0, 0)
 }
 
-// Thanks: https://github.com/uupaa/dynamic-import-polyfill
-function importModule (path: string) {
-  return new Promise((resolve, reject) => {
-    const vector = '$importModule$' + Math.random().toString(32).slice(2)
-    const script = document.createElement('script')
-
-    const destructor = () => {
-      delete window[ vector ]
-      script.onerror = null
-      script.onload = null
-      script.remove()
-      URL.revokeObjectURL(script.src)
-      script.src = ''
-    }
-
-    script.defer = true
-    script.type = 'module'
-
-    script.onerror = () => {
-      reject(new Error(`Failed to import: ${path}`))
-      destructor()
-    }
-    script.onload = () => {
-      resolve(window[ vector ])
-      destructor()
-    }
-    const absURL = (environment.apiUrl || window.location.origin) + path
-    const loader = `import * as m from "${absURL}"; window.${vector} = m;` // export Module
-    const blob = new Blob([ loader ], { type: 'text/javascript' })
-    script.src = URL.createObjectURL(blob)
-
-    document.head.appendChild(script)
-  })
-}
-
 function isInViewport (el: HTMLElement) {
   const bounding = el.getBoundingClientRect()
   return (
@@ -216,7 +181,6 @@ export {
   getAbsoluteEmbedUrl,
   objectLineFeedToHtml,
   removeElementFromArray,
-  importModule,
   scrollToTop,
   isInViewport,
   isXPercentInViewport
diff --git a/client/src/environments/environment.ts b/client/src/environments/environment.ts
index 4816e3060..e00523976 100644
--- a/client/src/environments/environment.ts
+++ b/client/src/environments/environment.ts
@@ -9,8 +9,8 @@
 import 'core-js/features/reflect'
 
 export const environment = {
-  production: false,
+  production: true,
   hmr: false,
-  apiUrl: 'http://localhost:9000',
-  embedUrl: 'http://localhost:9000'
+  apiUrl: '',
+  embedUrl: ''
 }
diff --git a/client/src/root-helpers/plugins.ts b/client/src/root-helpers/plugins.ts
new file mode 100644
index 000000000..011721761
--- /dev/null
+++ b/client/src/root-helpers/plugins.ts
@@ -0,0 +1,81 @@
+import { getHookType, internalRunHook } from '@shared/core-utils/plugins/hooks'
+import { ClientHookName, ClientScript, RegisterClientHookOptions, ServerConfigPlugin, PluginType, clientHookObject } from '../../../shared/models'
+import { RegisterClientHelpers } from 'src/types/register-client-option.model'
+import { ClientScript as ClientScriptModule } from '../types/client-script.model'
+import { importModule } from './utils'
+
+interface HookStructValue extends RegisterClientHookOptions {
+  plugin: ServerConfigPlugin
+  clientScript: ClientScript
+}
+
+type Hooks = { [ name: string ]: HookStructValue[] }
+
+type PluginInfo = {
+  plugin: ServerConfigPlugin
+  clientScript: ClientScript
+  pluginType: PluginType
+  isTheme: boolean
+}
+
+async function runHook<T> (hooks: Hooks, hookName: ClientHookName, result?: T, params?: any) {
+  if (!hooks[hookName]) return result
+
+  const hookType = getHookType(hookName)
+
+  for (const hook of hooks[hookName]) {
+    console.log('Running hook %s of plugin %s.', hookName, hook.plugin.name)
+
+    result = await internalRunHook(hook.handler, hookType, result, params, err => {
+      console.error('Cannot run hook %s of script %s of plugin %s.', hookName, hook.clientScript.script, hook.plugin.name, err)
+    })
+  }
+
+  return result
+}
+
+function loadPlugin (hooks: Hooks, pluginInfo: PluginInfo, peertubeHelpersFactory: (pluginInfo: PluginInfo) => RegisterClientHelpers) {
+  const { plugin, clientScript } = pluginInfo
+
+  const registerHook = (options: RegisterClientHookOptions) => {
+    if (clientHookObject[options.target] !== true) {
+      console.error('Unknown hook %s of plugin %s. Skipping.', options.target, plugin.name)
+      return
+    }
+
+    if (!hooks[options.target]) hooks[options.target] = []
+
+    hooks[options.target].push({
+      plugin,
+      clientScript,
+      target: options.target,
+      handler: options.handler,
+      priority: options.priority || 0
+    })
+  }
+
+  const peertubeHelpers = peertubeHelpersFactory(pluginInfo)
+
+  console.log('Loading script %s of plugin %s.', clientScript.script, plugin.name)
+
+  return importModule(clientScript.script)
+    .then((script: ClientScriptModule) => script.register({ registerHook, peertubeHelpers }))
+    .then(() => sortHooksByPriority(hooks))
+    .catch(err => console.error('Cannot import or register plugin %s.', pluginInfo.plugin.name, err))
+}
+
+export {
+  HookStructValue,
+  Hooks,
+  PluginInfo,
+  loadPlugin,
+  runHook
+}
+
+function sortHooksByPriority (hooks: Hooks) {
+  for (const hookName of Object.keys(hooks)) {
+    hooks[hookName].sort((a, b) => {
+      return b.priority - a.priority
+    })
+  }
+}
diff --git a/client/src/root-helpers/utils.ts b/client/src/root-helpers/utils.ts
index acfb565a3..6df151ad9 100644
--- a/client/src/root-helpers/utils.ts
+++ b/client/src/root-helpers/utils.ts
@@ -1,3 +1,5 @@
+import { environment } from '../environments/environment'
+
 function objectToUrlEncoded (obj: any) {
   const str: string[] = []
   for (const key of Object.keys(obj)) {
@@ -7,6 +9,42 @@ function objectToUrlEncoded (obj: any) {
   return str.join('&')
 }
 
+// Thanks: https://github.com/uupaa/dynamic-import-polyfill
+function importModule (path: string) {
+  return new Promise((resolve, reject) => {
+    const vector = '$importModule$' + Math.random().toString(32).slice(2)
+    const script = document.createElement('script')
+
+    const destructor = () => {
+      delete window[ vector ]
+      script.onerror = null
+      script.onload = null
+      script.remove()
+      URL.revokeObjectURL(script.src)
+      script.src = ''
+    }
+
+    script.defer = true
+    script.type = 'module'
+
+    script.onerror = () => {
+      reject(new Error(`Failed to import: ${path}`))
+      destructor()
+    }
+    script.onload = () => {
+      resolve(window[ vector ])
+      destructor()
+    }
+    const absURL = (environment.apiUrl || window.location.origin) + path
+    const loader = `import * as m from "${absURL}"; window.${vector} = m;` // export Module
+    const blob = new Blob([ loader ], { type: 'text/javascript' })
+    script.src = URL.createObjectURL(blob)
+
+    document.head.appendChild(script)
+  })
+}
+
 export {
+  importModule,
   objectToUrlEncoded
 }
diff --git a/client/src/standalone/videos/embed.ts b/client/src/standalone/videos/embed.ts
index adba32a31..fe65794f7 100644
--- a/client/src/standalone/videos/embed.ts
+++ b/client/src/standalone/videos/embed.ts
@@ -1,7 +1,5 @@
 import './embed.scss'
 import videojs from 'video.js'
-import { objectToUrlEncoded, peertubeLocalStorage } from '@root-helpers/index'
-import { Tokens } from '@root-helpers/users'
 import { peertubeTranslate } from '../../../../shared/core-utils/i18n'
 import {
   ResultList,
@@ -11,12 +9,19 @@ import {
   VideoDetails,
   VideoPlaylist,
   VideoPlaylistElement,
-  VideoStreamingPlaylistType
+  VideoStreamingPlaylistType,
+  PluginType,
+  ClientHookName
 } from '../../../../shared/models'
 import { P2PMediaLoaderOptions, PeertubePlayerManagerOptions, PlayerMode } from '../../assets/player/peertube-player-manager'
 import { VideoJSCaption } from '../../assets/player/peertube-videojs-typings'
 import { TranslationsManager } from '../../assets/player/translations-manager'
+import { Hooks, loadPlugin, runHook } from '../../root-helpers/plugins'
+import { Tokens } from '../../root-helpers/users'
+import { peertubeLocalStorage } from '../../root-helpers/peertube-web-storage'
+import { objectToUrlEncoded } from '../../root-helpers/utils'
 import { PeerTubeEmbedApi } from './embed-api'
+import { RegisterClientHelpers } from '../../types/register-client-option.model'
 
 type Translations = { [ id: string ]: string }
 
@@ -60,6 +65,9 @@ export class PeerTubeEmbed {
 
   private wrapperElement: HTMLElement
 
+  private peertubeHooks: Hooks = {}
+  private loadedScripts = new Set<string>()
+
   static async main () {
     const videoContainerId = 'video-wrapper'
     const embed = new PeerTubeEmbed(videoContainerId)
@@ -473,6 +481,8 @@ export class PeerTubeEmbed {
       this.PeertubePlayerManagerModulePromise
     ])
 
+    await this.ensurePluginsAreLoaded(config, serverTranslations)
+
     const videoInfo: VideoDetails = videoInfoTmp
 
     const PeertubePlayerManager = PeertubePlayerManagerModule.PeertubePlayerManager
@@ -577,6 +587,8 @@ export class PeerTubeEmbed {
         this.playNextVideo()
       })
     }
+
+    this.runHook('action:embed.player.loaded', undefined, { player: this.player })
   }
 
   private async initCore () {
@@ -714,6 +726,69 @@ export class PeerTubeEmbed {
   private isPlaylistEmbed () {
     return window.location.pathname.split('/')[1] === 'video-playlists'
   }
+
+  private async ensurePluginsAreLoaded (config: ServerConfig, translations?: { [ id: string ]: string }) {
+    if (config.plugin.registered.length === 0) return
+
+    for (const plugin of config.plugin.registered) {
+      for (const key of Object.keys(plugin.clientScripts)) {
+        const clientScript = plugin.clientScripts[key]
+
+        if (clientScript.scopes.includes('embed') === false) continue
+
+        const script = `/plugins/${plugin.name}/${plugin.version}/client-scripts/${clientScript.script}`
+
+        if (this.loadedScripts.has(script)) continue
+
+        const pluginInfo = {
+          plugin,
+          clientScript: {
+            script,
+            scopes: clientScript.scopes
+          },
+          pluginType: PluginType.PLUGIN,
+          isTheme: false
+        }
+
+        await loadPlugin(this.peertubeHooks, pluginInfo, _ => this.buildPeerTubeHelpers(translations))
+      }
+    }
+  }
+
+  private buildPeerTubeHelpers (translations?: { [ id: string ]: string }): RegisterClientHelpers {
+    function unimplemented (): any {
+      throw new Error('This helper is not implemented in embed.')
+    }
+
+    return {
+      getBaseStaticRoute: unimplemented,
+
+      getSettings: unimplemented,
+
+      isLoggedIn: unimplemented,
+
+      notifier: {
+        info: unimplemented,
+        error: unimplemented,
+        success: unimplemented
+      },
+
+      showModal: unimplemented,
+
+      markdownRenderer: {
+        textMarkdownToHTML: unimplemented,
+        enhancedMarkdownToHTML: unimplemented
+      },
+
+      translate: (value: string) => {
+        return Promise.resolve(peertubeTranslate(value, translations))
+      }
+    }
+  }
+
+  private runHook <T> (hookName: ClientHookName, result?: T, params?: any): Promise<T> {
+    return runHook(this.peertubeHooks, hookName, result, params)
+  }
 }
 
 PeerTubeEmbed.main()
diff --git a/shared/models/plugins/client-hook.model.ts b/shared/models/plugins/client-hook.model.ts
index b53b8de99..193a3f646 100644
--- a/shared/models/plugins/client-hook.model.ts
+++ b/shared/models/plugins/client-hook.model.ts
@@ -80,7 +80,13 @@ export const clientActionHookObject = {
   'action:router.navigation-end': true,
 
   // Fired when the registration page is being initialized
-  'action:signup.register.init': true
+  'action:signup.register.init': true,
+
+  // ####### Embed hooks #######
+  // In embed scope, peertube helpers are not available
+
+  // Fired when the embed loaded the player
+  'action:embed.player.loaded': true
 }
 
 export type ClientActionHookName = keyof typeof clientActionHookObject
diff --git a/shared/models/plugins/plugin-client-scope.type.ts b/shared/models/plugins/plugin-client-scope.type.ts
index d112434e8..a3c669fe7 100644
--- a/shared/models/plugins/plugin-client-scope.type.ts
+++ b/shared/models/plugins/plugin-client-scope.type.ts
@@ -1 +1 @@
-export type PluginClientScope = 'common' | 'video-watch' | 'search' | 'signup' | 'login'
+export type PluginClientScope = 'common' | 'video-watch' | 'search' | 'signup' | 'login' | 'embed'