Merge branch 'release/4.2.0' into develop

[github/Chocobozzz/PeerTube.git] / server / middlewares / validators / shared / videos.ts

diff --git a/server/middlewares/validators/shared/videos.ts b/server/middlewares/validators/shared/videos.ts
index 7f42a4893b841662e37f35e9a4c5439814ed5c23..2c2ae381127f4294e3b42ef24cd5bff2f6b3d654 100644 (file)
--- a/server/middlewares/validators/shared/videos.ts
+++ b/server/middlewares/validators/shared/videos.ts
@@ -1,30 +1,37 @@
-import { Response } from 'express'
+import { Request, Response } from 'express'
+import { isUUIDValid } from '@server/helpers/custom-validators/misc'
 import { loadVideo, VideoLoadType } from '@server/lib/model-loaders'
+import { isAbleToUploadVideo } from '@server/lib/user'
+import { authenticatePromise } from '@server/middlewares/auth'
+import { VideoModel } from '@server/models/video/video'
 import { VideoChannelModel } from '@server/models/video/video-channel'
 import { VideoFileModel } from '@server/models/video/video-file'
 import {
   MUser,
   MUserAccountId,
+  MUserId,
+  MVideo,
   MVideoAccountLight,
   MVideoFormattableDetails,
   MVideoFullLight,
   MVideoId,
   MVideoImmutable,
-  MVideoThumbnail
+  MVideoThumbnail,
+  MVideoWithRights
 } from '@server/types/models'
-import { HttpStatusCode } from '@shared/models'
-import { UserRight } from '@shared/models'
+import { HttpStatusCode, ServerErrorCode, UserRight, VideoPrivacy } from '@shared/models'
 
 async function doesVideoExist (id: number | string, res: Response, fetchType: VideoLoadType = 'all') {
   const userId = res.locals.oauth ? res.locals.oauth.token.User.id : undefined
 
   const video = await loadVideo(id, fetchType, userId)
 
-  if (video === null) {
+  if (!video) {
     res.fail({
       status: HttpStatusCode.NOT_FOUND_404,
       message: 'Video not found'
     })
+
     return false
   }
 
@@ -53,6 +60,8 @@ async function doesVideoExist (id: number | string, res: Response, fetchType: Vi
   return true
 }
 
+// ---------------------------------------------------------------------------
+
 async function doesVideoFileOfVideoExist (id: number, videoIdOrUUID: number | string, res: Response) {
   if (!await VideoFileModel.doesVideoExistForVideoFile(id, videoIdOrUUID)) {
     res.fail({
@@ -65,6 +74,8 @@ async function doesVideoFileOfVideoExist (id: number, videoIdOrUUID: number | st
   return true
 }
 
+// ---------------------------------------------------------------------------
+
 async function doesVideoChannelOfAccountExist (channelId: number, user: MUserAccountId, res: Response) {
   const videoChannel = await VideoChannelModel.loadAndPopulateAccount(channelId)
 
@@ -90,6 +101,78 @@ async function doesVideoChannelOfAccountExist (channelId: number, user: MUserAcc
   return true
 }
 
+// ---------------------------------------------------------------------------
+
+async function checkCanSeeVideo (options: {
+  req: Request
+  res: Response
+  paramId: string
+  video: MVideo
+  authenticateInQuery?: boolean // default false
+}) {
+  const { req, res, video, paramId, authenticateInQuery = false } = options
+
+  if (video.requiresAuth()) {
+    return checkCanSeeAuthVideo(req, res, video, authenticateInQuery)
+  }
+
+  if (video.privacy === VideoPrivacy.UNLISTED) {
+    if (isUUIDValid(paramId)) return true
+
+    return checkCanSeeAuthVideo(req, res, video, authenticateInQuery)
+  }
+
+  if (video.privacy === VideoPrivacy.PUBLIC) return true
+
+  throw new Error('Fatal error when checking video right ' + video.url)
+}
+
+async function checkCanSeeAuthVideo (req: Request, res: Response, video: MVideoId | MVideoWithRights, authenticateInQuery = false) {
+  const fail = () => {
+    res.fail({
+      status: HttpStatusCode.FORBIDDEN_403,
+      message: 'Cannot fetch information of private/internal/blocked video'
+    })
+
+    return false
+  }
+
+  await authenticatePromise(req, res, authenticateInQuery)
+
+  const user = res.locals.oauth?.token.User
+  if (!user) return fail()
+
+  const videoWithRights = (video as MVideoWithRights).VideoChannel?.Account?.userId
+    ? video as MVideoWithRights
+    : await VideoModel.loadAndPopulateAccountAndServerAndTags(video.id)
+
+  const privacy = videoWithRights.privacy
+
+  if (privacy === VideoPrivacy.INTERNAL) {
+    // We know we have a user
+    return true
+  }
+
+  const isOwnedByUser = videoWithRights.VideoChannel.Account.userId === user.id
+
+  if (videoWithRights.isBlacklisted()) {
+    if (isOwnedByUser || user.hasRight(UserRight.MANAGE_VIDEO_BLACKLIST)) return true
+
+    return fail()
+  }
+
+  if (privacy === VideoPrivacy.PRIVATE || privacy === VideoPrivacy.UNLISTED) {
+    if (isOwnedByUser || user.hasRight(UserRight.SEE_ALL_VIDEOS)) return true
+
+    return fail()
+  }
+
+  // Should not happen
+  return fail()
+}
+
+// ---------------------------------------------------------------------------
+
 function checkUserCanManageVideo (user: MUser, video: MVideoAccountLight, right: UserRight, res: Response, onlyOwned = true) {
   // Retrieve the user who did the request
   if (onlyOwned && video.isOwned() === false) {
@@ -117,9 +200,27 @@ function checkUserCanManageVideo (user: MUser, video: MVideoAccountLight, right:
 
 // ---------------------------------------------------------------------------
 
+async function checkUserQuota (user: MUserId, videoFileSize: number, res: Response) {
+  if (await isAbleToUploadVideo(user.id, videoFileSize) === false) {
+    res.fail({
+      status: HttpStatusCode.PAYLOAD_TOO_LARGE_413,
+      message: 'The user video quota is exceeded with this video.',
+      type: ServerErrorCode.QUOTA_REACHED
+    })
+    return false
+  }
+
+  return true
+}
+
+// ---------------------------------------------------------------------------
+
 export {
   doesVideoChannelOfAccountExist,
   doesVideoExist,
   doesVideoFileOfVideoExist,
-  checkUserCanManageVideo
+
+  checkUserCanManageVideo,
+  checkCanSeeVideo,
+  checkUserQuota
 }