Feature/filter already watched videos (#5739)

[github/Chocobozzz/PeerTube.git] / server / helpers / custom-validators / activitypub / activity.ts

diff --git a/server/helpers/custom-validators/activitypub/activity.ts b/server/helpers/custom-validators/activitypub/activity.ts
index 8084cf7b0a8fdff6b95ac564951d7339a83d1db2..90a9185234e5bd3e09bdf50b8407bf69043a717a 100644 (file)
--- a/server/helpers/custom-validators/activitypub/activity.ts
+++ b/server/helpers/custom-validators/activitypub/activity.ts
@@ -1,47 +1,151 @@
-import * as validator from 'validator'
-import { isAccountAcceptActivityValid, isAccountDeleteActivityValid, isAccountFollowActivityValid } from './account'
-import { isActivityPubUrlValid } from './misc'
-import {
-  isAnnounceValid,
-  isVideoChannelCreateActivityValid,
-  isVideoChannelDeleteActivityValid,
-  isVideoChannelUpdateActivityValid,
-  isVideoFlagValid,
-  isVideoTorrentAddActivityValid,
-  isVideoTorrentDeleteActivityValid,
-  isVideoTorrentUpdateActivityValid
-} from './videos'
+import validator from 'validator'
+import { Activity, ActivityType } from '../../../../shared/models/activitypub'
+import { isAbuseReasonValid } from '../abuses'
+import { exists } from '../misc'
+import { sanitizeAndCheckActorObject } from './actor'
+import { isCacheFileObjectValid } from './cache-file'
+import { isActivityPubUrlValid, isBaseActivityValid, isObjectValid } from './misc'
+import { isPlaylistObjectValid } from './playlist'
+import { sanitizeAndCheckVideoCommentObject } from './video-comments'
+import { sanitizeAndCheckVideoTorrentObject } from './videos'
+import { isWatchActionObjectValid } from './watch-action'
 
 function isRootActivityValid (activity: any) {
-  return Array.isArray(activity['@context']) &&
+  return isCollection(activity) || isActivity(activity)
+}
+
+function isCollection (activity: any) {
+  return (activity.type === 'Collection' || activity.type === 'OrderedCollection') &&
+    validator.isInt(activity.totalItems, { min: 0 }) &&
+    Array.isArray(activity.items)
+}
+
+function isActivity (activity: any) {
+  return isActivityPubUrlValid(activity.id) &&
+    exists(activity.actor) &&
+    (isActivityPubUrlValid(activity.actor) || isActivityPubUrlValid(activity.actor.id))
+}
+
+const activityCheckers: { [ P in ActivityType ]: (activity: Activity) => boolean } = {
+  Create: isCreateActivityValid,
+  Update: isUpdateActivityValid,
+  Delete: isDeleteActivityValid,
+  Follow: isFollowActivityValid,
+  Accept: isAcceptActivityValid,
+  Reject: isRejectActivityValid,
+  Announce: isAnnounceActivityValid,
+  Undo: isUndoActivityValid,
+  Like: isLikeActivityValid,
+  View: isViewActivityValid,
+  Flag: isFlagActivityValid,
+  Dislike: isDislikeActivityValid
+}
+
+function isActivityValid (activity: any) {
+  const checker = activityCheckers[activity.type]
+  // Unknown activity type
+  if (!checker) return false
+
+  return checker(activity)
+}
+
+function isFlagActivityValid (activity: any) {
+  return isBaseActivityValid(activity, 'Flag') &&
+    isAbuseReasonValid(activity.content) &&
+    isActivityPubUrlValid(activity.object)
+}
+
+function isLikeActivityValid (activity: any) {
+  return isBaseActivityValid(activity, 'Like') &&
+    isObjectValid(activity.object)
+}
+
+function isDislikeActivityValid (activity: any) {
+  return isBaseActivityValid(activity, 'Dislike') &&
+    isObjectValid(activity.object)
+}
+
+function isAnnounceActivityValid (activity: any) {
+  return isBaseActivityValid(activity, 'Announce') &&
+    isObjectValid(activity.object)
+}
+
+function isViewActivityValid (activity: any) {
+  return isBaseActivityValid(activity, 'View') &&
+    isActivityPubUrlValid(activity.actor) &&
+    isActivityPubUrlValid(activity.object)
+}
+
+function isCreateActivityValid (activity: any) {
+  return isBaseActivityValid(activity, 'Create') &&
     (
-      (activity.type === 'Collection' || activity.type === 'OrderedCollection') &&
-      validator.isInt(activity.totalItems, { min: 0 }) &&
-      Array.isArray(activity.items)
-    ) ||
+      isViewActivityValid(activity.object) ||
+      isDislikeActivityValid(activity.object) ||
+      isFlagActivityValid(activity.object) ||
+      isPlaylistObjectValid(activity.object) ||
+      isWatchActionObjectValid(activity.object) ||
+
+      isCacheFileObjectValid(activity.object) ||
+      sanitizeAndCheckVideoCommentObject(activity.object) ||
+      sanitizeAndCheckVideoTorrentObject(activity.object)
+    )
+}
+
+function isUpdateActivityValid (activity: any) {
+  return isBaseActivityValid(activity, 'Update') &&
     (
-      isActivityPubUrlValid(activity.id) &&
-      isActivityPubUrlValid(activity.actor)
+      isCacheFileObjectValid(activity.object) ||
+      isPlaylistObjectValid(activity.object) ||
+      sanitizeAndCheckVideoTorrentObject(activity.object) ||
+      sanitizeAndCheckActorObject(activity.object)
     )
 }
 
-function isActivityValid (activity: any) {
-  return isVideoTorrentAddActivityValid(activity) ||
-    isVideoChannelCreateActivityValid(activity) ||
-    isVideoTorrentUpdateActivityValid(activity) ||
-    isVideoChannelUpdateActivityValid(activity) ||
-    isVideoTorrentDeleteActivityValid(activity) ||
-    isVideoChannelDeleteActivityValid(activity) ||
-    isAccountDeleteActivityValid(activity) ||
-    isAccountFollowActivityValid(activity) ||
-    isAccountAcceptActivityValid(activity) ||
-    isVideoFlagValid(activity) ||
-    isAnnounceValid(activity)
+function isDeleteActivityValid (activity: any) {
+  // We don't really check objects
+  return isBaseActivityValid(activity, 'Delete') &&
+    isObjectValid(activity.object)
+}
+
+function isFollowActivityValid (activity: any) {
+  return isBaseActivityValid(activity, 'Follow') &&
+    isObjectValid(activity.object)
+}
+
+function isAcceptActivityValid (activity: any) {
+  return isBaseActivityValid(activity, 'Accept')
+}
+
+function isRejectActivityValid (activity: any) {
+  return isBaseActivityValid(activity, 'Reject')
+}
+
+function isUndoActivityValid (activity: any) {
+  return isBaseActivityValid(activity, 'Undo') &&
+    (
+      isFollowActivityValid(activity.object) ||
+      isLikeActivityValid(activity.object) ||
+      isDislikeActivityValid(activity.object) ||
+      isAnnounceActivityValid(activity.object) ||
+      isCreateActivityValid(activity.object)
+    )
 }
 
 // ---------------------------------------------------------------------------
 
 export {
   isRootActivityValid,
-  isActivityValid
+  isActivityValid,
+  isFlagActivityValid,
+  isLikeActivityValid,
+  isDislikeActivityValid,
+  isAnnounceActivityValid,
+  isViewActivityValid,
+  isCreateActivityValid,
+  isUpdateActivityValid,
+  isDeleteActivityValid,
+  isFollowActivityValid,
+  isAcceptActivityValid,
+  isRejectActivityValid,
+  isUndoActivityValid
 }