Add server plugin filter hooks for import with torrent and url (#2621)

* Add server plugin filter hooks for import with torrent and url

* WIP: pre and post-import filter hooks

* Rebased

* Cleanup filters to accept imports

Co-authored-by: Chocobozzz <me@florianbigard.com>

1 files changed, 38 insertions, 5 deletions

diff --git a/server/middlewares/validators/videos/video-imports.ts b/server/middlewares/validators/videos/video-imports.ts
index 5dc5db533..e3d900a9e 100644
--- a/server/middlewares/validators/videos/video-imports.ts
+++ b/server/middlewares/validators/videos/video-imports.ts
@@ -1,15 +1,18 @@
 import * as express from 'express'
 import { body } from 'express-validator'
+import { isPreImportVideoAccepted } from '@server/lib/moderation'
+import { Hooks } from '@server/lib/plugins/hooks'
+import { VideoImportCreate } from '@shared/models/videos/import/video-import-create.model'
 import { isIdValid, toIntOrNull } from '../../../helpers/custom-validators/misc'
-import { logger } from '../../../helpers/logger'
-import { areValidationErrors } from '../utils'
-import { getCommonVideoEditAttributes } from './videos'
 import { isVideoImportTargetUrlValid, isVideoImportTorrentFile } from '../../../helpers/custom-validators/video-imports'
-import { cleanUpReqFiles } from '../../../helpers/express-utils'
 import { isVideoMagnetUriValid, isVideoNameValid } from '../../../helpers/custom-validators/videos'
+import { cleanUpReqFiles } from '../../../helpers/express-utils'
+import { logger } from '../../../helpers/logger'
+import { doesVideoChannelOfAccountExist } from '../../../helpers/middlewares'
 import { CONFIG } from '../../../initializers/config'
 import { CONSTRAINTS_FIELDS } from '../../../initializers/constants'
-import { doesVideoChannelOfAccountExist } from '../../../helpers/middlewares'
+import { areValidationErrors } from '../utils'
+import { getCommonVideoEditAttributes } from './videos'
 
 const videoImportAddValidator = getCommonVideoEditAttributes().concat([
   body('channelId')
@@ -64,6 +67,8 @@ const videoImportAddValidator = getCommonVideoEditAttributes().concat([
         .end()
     }
 
+    if (!await isImportAccepted(req, res)) return cleanUpReqFiles(req)
+
     return next()
   }
 ])
@@ -75,3 +80,31 @@ export {
 }
 
 // ---------------------------------------------------------------------------
+
+async function isImportAccepted (req: express.Request, res: express.Response) {
+  const body: VideoImportCreate = req.body
+  const hookName = body.targetUrl
+    ? 'filter:api.video.pre-import-url.accept.result'
+    : 'filter:api.video.pre-import-torrent.accept.result'
+
+  // Check we accept this video
+  const acceptParameters = {
+    videoImportBody: body,
+    user: res.locals.oauth.token.User
+  }
+  const acceptedResult = await Hooks.wrapFun(
+    isPreImportVideoAccepted,
+    acceptParameters,
+    hookName
+  )
+
+  if (!acceptedResult || acceptedResult.accepted !== true) {
+    logger.info('Refused to import video.', { acceptedResult, acceptParameters })
+    res.status(403)
+       .json({ error: acceptedResult.errorMessage || 'Refused to import video' })
+
+    return false
+  }
+
+  return true
+}