From 18a6f04c071f7a0735eb39b8c67fd51a082d1a31 Mon Sep 17 00:00:00 2001
From: Chocobozzz <me@florianbigard.com>
Date: Mon, 8 Jul 2019 15:54:08 +0200
Subject: WIP plugins: hook on client side

---
 server/controllers/api/config.ts     | 19 ++++++++++++++++++-
 server/lib/plugins/plugin-manager.ts | 21 +++++++++++++++++++++
 2 files changed, 39 insertions(+), 1 deletion(-)

(limited to 'server')

diff --git a/server/controllers/api/config.ts b/server/controllers/api/config.ts
index 1d12f701b..8563b7437 100644
--- a/server/controllers/api/config.ts
+++ b/server/controllers/api/config.ts
@@ -1,6 +1,6 @@
 import * as express from 'express'
 import { snakeCase } from 'lodash'
-import { ServerConfig, UserRight } from '../../../shared'
+import { ServerConfig, ServerConfigPlugin, UserRight } from '../../../shared'
 import { About } from '../../../shared/models/server/about.model'
 import { CustomConfig } from '../../../shared/models/server/custom-config.model'
 import { isSignupAllowed, isSignupAllowedForCurrentIP } from '../../helpers/signup'
@@ -15,6 +15,8 @@ import { Emailer } from '../../lib/emailer'
 import { isNumeric } from 'validator'
 import { objectConverter } from '../../helpers/core-utils'
 import { CONFIG, reloadConfig } from '../../initializers/config'
+import { PluginManager } from '../../lib/plugins/plugin-manager'
+import { PluginType } from '../../../shared/models/plugins/plugin.type'
 
 const packageJSON = require('../../../../package.json')
 const configRouter = express.Router()
@@ -54,6 +56,20 @@ async function getConfig (req: express.Request, res: express.Response) {
    .filter(key => CONFIG.TRANSCODING.ENABLED && CONFIG.TRANSCODING.RESOLUTIONS[key] === true)
    .map(r => parseInt(r, 10))
 
+  const plugins: ServerConfigPlugin[] = []
+  const registeredPlugins = PluginManager.Instance.getRegisteredPlugins()
+  for (const pluginName of Object.keys(registeredPlugins)) {
+    const plugin = registeredPlugins[ pluginName ]
+    if (plugin.type !== PluginType.PLUGIN) continue
+
+    plugins.push({
+      name: plugin.name,
+      version: plugin.version,
+      description: plugin.description,
+      clientScripts: plugin.clientScripts
+    })
+  }
+
   const json: ServerConfig = {
     instance: {
       name: CONFIG.INSTANCE.NAME,
@@ -66,6 +82,7 @@ async function getConfig (req: express.Request, res: express.Response) {
         css: CONFIG.INSTANCE.CUSTOMIZATIONS.CSS
       }
     },
+    plugins,
     email: {
       enabled: Emailer.isEnabled()
     },
diff --git a/server/lib/plugins/plugin-manager.ts b/server/lib/plugins/plugin-manager.ts
index b898e64fa..7cbfa8569 100644
--- a/server/lib/plugins/plugin-manager.ts
+++ b/server/lib/plugins/plugin-manager.ts
@@ -75,6 +75,27 @@ export class PluginManager {
     return registered
   }
 
+  getRegisteredPlugins () {
+    return this.registeredPlugins
+  }
+
+  async runHook (hookName: string, param?: any) {
+    let result = param
+
+    const wait = hookName.startsWith('static:')
+
+    for (const hook of this.hooks[hookName]) {
+      try {
+        if (wait) result = await hook.handler(param)
+        else result = hook.handler()
+      } catch (err) {
+        logger.error('Cannot run hook %s of plugin %s.', hookName, hook.pluginName, { err })
+      }
+    }
+
+    return result
+  }
+
   async unregister (name: string) {
     const plugin = this.getRegisteredPlugin(name)
 
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