Support plugin hooks in embed

2 files changed, 9 insertions, 106 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