21 files changed, 520 insertions, 272 deletions

diff --git a/server/lib/activitypub/actor.ts b/server/lib/activitypub/actor.ts
index f7bf7c65a..a3f379b76 100644
--- a/server/lib/activitypub/actor.ts
+++ b/server/lib/activitypub/actor.ts
@@ -4,7 +4,7 @@ import * as url from 'url'
 import * as uuidv4 from 'uuid/v4'
 import { ActivityPubActor, ActivityPubActorType } from '../../../shared/models/activitypub'
 import { ActivityPubAttributedTo } from '../../../shared/models/activitypub/objects'
-import { checkUrlsSameHost, getAPUrl } from '../../helpers/activitypub'
+import { checkUrlsSameHost, getAPId } from '../../helpers/activitypub'
 import { isActorObjectValid, normalizeActor } from '../../helpers/custom-validators/activitypub/actor'
 import { isActivityPubUrlValid } from '../../helpers/custom-validators/activitypub/misc'
 import { retryTransactionWrapper, updateInstanceWithAnother } from '../../helpers/database-utils'
@@ -42,7 +42,7 @@ async function getOrCreateActorAndServerAndModel (
   recurseIfNeeded = true,
   updateCollections = false
 ) {
-  const actorUrl = getAPUrl(activityActor)
+  const actorUrl = getAPId(activityActor)
   let created = false
 
   let actor = await fetchActorByUrl(actorUrl, fetchType)
@@ -201,6 +201,69 @@ async function addFetchOutboxJob (actor: ActorModel) {
   return JobQueue.Instance.createJob({ type: 'activitypub-http-fetcher', payload })
 }
 
+async function refreshActorIfNeeded (
+  actorArg: ActorModel,
+  fetchedType: ActorFetchByUrlType
+): Promise<{ actor: ActorModel, refreshed: boolean }> {
+  if (!actorArg.isOutdated()) return { actor: actorArg, refreshed: false }
+
+  // We need more attributes
+  const actor = fetchedType === 'all' ? actorArg : await ActorModel.loadByUrlAndPopulateAccountAndChannel(actorArg.url)
+
+  try {
+    let actorUrl: string
+    try {
+      actorUrl = await getUrlFromWebfinger(actor.preferredUsername + '@' + actor.getHost())
+    } catch (err) {
+      logger.warn('Cannot get actor URL from webfinger, keeping the old one.', err)
+      actorUrl = actor.url
+    }
+
+    const { result, statusCode } = await fetchRemoteActor(actorUrl)
+
+    if (statusCode === 404) {
+      logger.info('Deleting actor %s because there is a 404 in refresh actor.', actor.url)
+      actor.Account ? actor.Account.destroy() : actor.VideoChannel.destroy()
+      return { actor: undefined, refreshed: false }
+    }
+
+    if (result === undefined) {
+      logger.warn('Cannot fetch remote actor in refresh actor.')
+      return { actor, refreshed: false }
+    }
+
+    return sequelizeTypescript.transaction(async t => {
+      updateInstanceWithAnother(actor, result.actor)
+
+      if (result.avatarName !== undefined) {
+        await updateActorAvatarInstance(actor, result.avatarName, t)
+      }
+
+      // Force update
+      actor.setDataValue('updatedAt', new Date())
+      await actor.save({ transaction: t })
+
+      if (actor.Account) {
+        actor.Account.set('name', result.name)
+        actor.Account.set('description', result.summary)
+
+        await actor.Account.save({ transaction: t })
+      } else if (actor.VideoChannel) {
+        actor.VideoChannel.set('name', result.name)
+        actor.VideoChannel.set('description', result.summary)
+        actor.VideoChannel.set('support', result.support)
+
+        await actor.VideoChannel.save({ transaction: t })
+      }
+
+      return { refreshed: true, actor }
+    })
+  } catch (err) {
+    logger.warn('Cannot refresh actor.', { err })
+    return { actor, refreshed: false }
+  }
+}
+
 export {
   getOrCreateActorAndServerAndModel,
   buildActorInstance,
@@ -208,6 +271,7 @@ export {
   fetchActorTotalItems,
   fetchAvatarIfExists,
   updateActorInstance,
+  refreshActorIfNeeded,
   updateActorAvatarInstance,
   addFetchOutboxJob
 }
@@ -291,12 +355,12 @@ async function fetchRemoteActor (actorUrl: string): Promise<{ statusCode?: numbe
 
   logger.info('Fetching remote actor %s.', actorUrl)
 
-  const requestResult = await doRequest(options)
+  const requestResult = await doRequest<ActivityPubActor>(options)
   normalizeActor(requestResult.body)
 
-  const actorJSON: ActivityPubActor = requestResult.body
+  const actorJSON = requestResult.body
   if (isActorObjectValid(actorJSON) === false) {
-    logger.debug('Remote actor JSON is not valid.', { actorJSON: actorJSON })
+    logger.debug('Remote actor JSON is not valid.', { actorJSON })
     return { result: undefined, statusCode: requestResult.response.statusCode }
   }
 
@@ -372,59 +436,3 @@ async function saveVideoChannel (actor: ActorModel, result: FetchRemoteActorResu
 
   return videoChannelCreated
 }
-
-async function refreshActorIfNeeded (
-  actorArg: ActorModel,
-  fetchedType: ActorFetchByUrlType
-): Promise<{ actor: ActorModel, refreshed: boolean }> {
-  if (!actorArg.isOutdated()) return { actor: actorArg, refreshed: false }
-
-  // We need more attributes
-  const actor = fetchedType === 'all' ? actorArg : await ActorModel.loadByUrlAndPopulateAccountAndChannel(actorArg.url)
-
-  try {
-    const actorUrl = await getUrlFromWebfinger(actor.preferredUsername + '@' + actor.getHost())
-    const { result, statusCode } = await fetchRemoteActor(actorUrl)
-
-    if (statusCode === 404) {
-      logger.info('Deleting actor %s because there is a 404 in refresh actor.', actor.url)
-      actor.Account ? actor.Account.destroy() : actor.VideoChannel.destroy()
-      return { actor: undefined, refreshed: false }
-    }
-
-    if (result === undefined) {
-      logger.warn('Cannot fetch remote actor in refresh actor.')
-      return { actor, refreshed: false }
-    }
-
-    return sequelizeTypescript.transaction(async t => {
-      updateInstanceWithAnother(actor, result.actor)
-
-      if (result.avatarName !== undefined) {
-        await updateActorAvatarInstance(actor, result.avatarName, t)
-      }
-
-      // Force update
-      actor.setDataValue('updatedAt', new Date())
-      await actor.save({ transaction: t })
-
-      if (actor.Account) {
-        actor.Account.set('name', result.name)
-        actor.Account.set('description', result.summary)
-
-        await actor.Account.save({ transaction: t })
-      } else if (actor.VideoChannel) {
-        actor.VideoChannel.set('name', result.name)
-        actor.VideoChannel.set('description', result.summary)
-        actor.VideoChannel.set('support', result.support)
-
-        await actor.VideoChannel.save({ transaction: t })
-      }
-
-      return { refreshed: true, actor }
-    })
-  } catch (err) {
-    logger.warn('Cannot refresh actor.', { err })
-    return { actor, refreshed: false }
-  }
-}
diff --git a/server/lib/activitypub/cache-file.ts b/server/lib/activitypub/cache-file.ts
index f6f068b45..9a40414bb 100644
--- a/server/lib/activitypub/cache-file.ts
+++ b/server/lib/activitypub/cache-file.ts
@@ -1,11 +1,28 @@
-import { CacheFileObject } from '../../../shared/index'
+import { ActivityPlaylistUrlObject, ActivityVideoUrlObject, CacheFileObject } from '../../../shared/index'
 import { VideoModel } from '../../models/video/video'
 import { VideoRedundancyModel } from '../../models/redundancy/video-redundancy'
 import { Transaction } from 'sequelize'
+import { VideoStreamingPlaylistType } from '../../../shared/models/videos/video-streaming-playlist.type'
 
 function cacheFileActivityObjectToDBAttributes (cacheFileObject: CacheFileObject, video: VideoModel, byActor: { id?: number }) {
-  const url = cacheFileObject.url
 
+  if (cacheFileObject.url.mediaType === 'application/x-mpegURL') {
+    const url = cacheFileObject.url
+
+    const playlist = video.VideoStreamingPlaylists.find(t => t.type === VideoStreamingPlaylistType.HLS)
+    if (!playlist) throw new Error('Cannot find HLS playlist of video ' + video.url)
+
+    return {
+      expiresOn: new Date(cacheFileObject.expires),
+      url: cacheFileObject.id,
+      fileUrl: url.href,
+      strategy: null,
+      videoStreamingPlaylistId: playlist.id,
+      actorId: byActor.id
+    }
+  }
+
+  const url = cacheFileObject.url
   const videoFile = video.VideoFiles.find(f => {
     return f.resolution === url.height && f.fps === url.fps
   })
@@ -15,7 +32,7 @@ function cacheFileActivityObjectToDBAttributes (cacheFileObject: CacheFileObject
   return {
     expiresOn: new Date(cacheFileObject.expires),
     url: cacheFileObject.id,
-    fileUrl: cacheFileObject.url.href,
+    fileUrl: url.href,
     strategy: null,
     videoFileId: videoFile.id,
     actorId: byActor.id
diff --git a/server/lib/activitypub/process/process-accept.ts b/server/lib/activitypub/process/process-accept.ts
index 605705ad3..ebb275e34 100644
--- a/server/lib/activitypub/process/process-accept.ts
+++ b/server/lib/activitypub/process/process-accept.ts
@@ -2,7 +2,6 @@ import { ActivityAccept } from '../../../../shared/models/activitypub'
 import { ActorModel } from '../../../models/activitypub/actor'
 import { ActorFollowModel } from '../../../models/activitypub/actor-follow'
 import { addFetchOutboxJob } from '../actor'
-import { Notifier } from '../../notifier'
 
 async function processAcceptActivity (activity: ActivityAccept, targetActor: ActorModel, inboxActor?: ActorModel) {
   if (inboxActor === undefined) throw new Error('Need to accept on explicit inbox.')
diff --git a/server/lib/activitypub/process/process-create.ts b/server/lib/activitypub/process/process-create.ts
index 2e04ee843..5f4d793a5 100644
--- a/server/lib/activitypub/process/process-create.ts
+++ b/server/lib/activitypub/process/process-create.ts
@@ -1,36 +1,44 @@
-import { ActivityCreate, CacheFileObject, VideoAbuseState, VideoTorrentObject } from '../../../../shared'
-import { DislikeObject, VideoAbuseObject, ViewObject } from '../../../../shared/models/activitypub/objects'
+import { ActivityCreate, CacheFileObject, VideoTorrentObject } from '../../../../shared'
 import { VideoCommentObject } from '../../../../shared/models/activitypub/objects/video-comment-object'
 import { retryTransactionWrapper } from '../../../helpers/database-utils'
 import { logger } from '../../../helpers/logger'
 import { sequelizeTypescript } from '../../../initializers'
-import { AccountVideoRateModel } from '../../../models/account/account-video-rate'
 import { ActorModel } from '../../../models/activitypub/actor'
-import { VideoAbuseModel } from '../../../models/video/video-abuse'
 import { addVideoComment, resolveThread } from '../video-comments'
 import { getOrCreateVideoAndAccountAndChannel } from '../videos'
 import { forwardVideoRelatedActivity } from '../send/utils'
-import { Redis } from '../../redis'
 import { createOrUpdateCacheFile } from '../cache-file'
-import { getVideoDislikeActivityPubUrl } from '../url'
 import { Notifier } from '../../notifier'
+import { processViewActivity } from './process-view'
+import { processDislikeActivity } from './process-dislike'
+import { processFlagActivity } from './process-flag'
 
 async function processCreateActivity (activity: ActivityCreate, byActor: ActorModel) {
   const activityObject = activity.object
   const activityType = activityObject.type
 
   if (activityType === 'View') {
-    return processCreateView(byActor, activity)
-  } else if (activityType === 'Dislike') {
-    return retryTransactionWrapper(processCreateDislike, byActor, activity)
-  } else if (activityType === 'Video') {
+    return processViewActivity(activity, byActor)
+  }
+
+  if (activityType === 'Dislike') {
+    return retryTransactionWrapper(processDislikeActivity, activity, byActor)
+  }
+
+  if (activityType === 'Flag') {
+    return retryTransactionWrapper(processFlagActivity, activity, byActor)
+  }
+
+  if (activityType === 'Video') {
     return processCreateVideo(activity)
-  } else if (activityType === 'Flag') {
-    return retryTransactionWrapper(processCreateVideoAbuse, byActor, activityObject as VideoAbuseObject)
-  } else if (activityType === 'Note') {
-    return retryTransactionWrapper(processCreateVideoComment, byActor, activity)
-  } else if (activityType === 'CacheFile') {
-    return retryTransactionWrapper(processCacheFile, byActor, activity)
+  }
+
+  if (activityType === 'Note') {
+    return retryTransactionWrapper(processCreateVideoComment, activity, byActor)
+  }
+
+  if (activityType === 'CacheFile') {
+    return retryTransactionWrapper(processCacheFile, activity, byActor)
   }
 
   logger.warn('Unknown activity object type %s when creating activity.', activityType, { activity: activity.id })
@@ -55,56 +63,7 @@ async function processCreateVideo (activity: ActivityCreate) {
   return video
 }
 
-async function processCreateDislike (byActor: ActorModel, activity: ActivityCreate) {
-  const dislike = activity.object as DislikeObject
-  const byAccount = byActor.Account
-
-  if (!byAccount) throw new Error('Cannot create dislike with the non account actor ' + byActor.url)
-
-  const { video } = await getOrCreateVideoAndAccountAndChannel({ videoObject: dislike.object })
-
-  return sequelizeTypescript.transaction(async t => {
-    const rate = {
-      type: 'dislike' as 'dislike',
-      videoId: video.id,
-      accountId: byAccount.id
-    }
-
-    const [ , created ] = await AccountVideoRateModel.findOrCreate({
-      where: rate,
-      defaults: Object.assign({}, rate, { url: getVideoDislikeActivityPubUrl(byActor, video) }),
-      transaction: t
-    })
-    if (created === true) await video.increment('dislikes', { transaction: t })
-
-    if (video.isOwned() && created === true) {
-      // Don't resend the activity to the sender
-      const exceptions = [ byActor ]
-
-      await forwardVideoRelatedActivity(activity, t, exceptions, video)
-    }
-  })
-}
-
-async function processCreateView (byActor: ActorModel, activity: ActivityCreate) {
-  const view = activity.object as ViewObject
-
-  const options = {
-    videoObject: view.object,
-    fetchType: 'only-video' as 'only-video'
-  }
-  const { video } = await getOrCreateVideoAndAccountAndChannel(options)
-
-  await Redis.Instance.addVideoView(video.id)
-
-  if (video.isOwned()) {
-    // Don't resend the activity to the sender
-    const exceptions = [ byActor ]
-    await forwardVideoRelatedActivity(activity, undefined, exceptions, video)
-  }
-}
-
-async function processCacheFile (byActor: ActorModel, activity: ActivityCreate) {
+async function processCacheFile (activity: ActivityCreate, byActor: ActorModel) {
   const cacheFile = activity.object as CacheFileObject
 
   const { video } = await getOrCreateVideoAndAccountAndChannel({ videoObject: cacheFile.object })
@@ -120,32 +79,7 @@ async function processCacheFile (byActor: ActorModel, activity: ActivityCreate)
   }
 }
 
-async function processCreateVideoAbuse (byActor: ActorModel, videoAbuseToCreateData: VideoAbuseObject) {
-  logger.debug('Reporting remote abuse for video %s.', videoAbuseToCreateData.object)
-
-  const account = byActor.Account
-  if (!account) throw new Error('Cannot create dislike with the non account actor ' + byActor.url)
-
-  const { video } = await getOrCreateVideoAndAccountAndChannel({ videoObject: videoAbuseToCreateData.object })
-
-  return sequelizeTypescript.transaction(async t => {
-    const videoAbuseData = {
-      reporterAccountId: account.id,
-      reason: videoAbuseToCreateData.content,
-      videoId: video.id,
-      state: VideoAbuseState.PENDING
-    }
-
-    const videoAbuseInstance = await VideoAbuseModel.create(videoAbuseData, { transaction: t })
-    videoAbuseInstance.Video = video
-
-    Notifier.Instance.notifyOnNewVideoAbuse(videoAbuseInstance)
-
-    logger.info('Remote abuse for video uuid %s created', videoAbuseToCreateData.object)
-  })
-}
-
-async function processCreateVideoComment (byActor: ActorModel, activity: ActivityCreate) {
+async function processCreateVideoComment (activity: ActivityCreate, byActor: ActorModel) {
   const commentObject = activity.object as VideoCommentObject
   const byAccount = byActor.Account
 
diff --git a/server/lib/activitypub/process/process-dislike.ts b/server/lib/activitypub/process/process-dislike.ts
new file mode 100644
index 000000000..bfd69e07a
--- /dev/null
+++ b/server/lib/activitypub/process/process-dislike.ts
@@ -0,0 +1,52 @@
+import { ActivityCreate, ActivityDislike } from '../../../../shared'
+import { DislikeObject } from '../../../../shared/models/activitypub/objects'
+import { retryTransactionWrapper } from '../../../helpers/database-utils'
+import { sequelizeTypescript } from '../../../initializers'
+import { AccountVideoRateModel } from '../../../models/account/account-video-rate'
+import { ActorModel } from '../../../models/activitypub/actor'
+import { getOrCreateVideoAndAccountAndChannel } from '../videos'
+import { forwardVideoRelatedActivity } from '../send/utils'
+import { getVideoDislikeActivityPubUrl } from '../url'
+
+async function processDislikeActivity (activity: ActivityCreate | ActivityDislike, byActor: ActorModel) {
+  return retryTransactionWrapper(processDislike, activity, byActor)
+}
+
+// ---------------------------------------------------------------------------
+
+export {
+  processDislikeActivity
+}
+
+// ---------------------------------------------------------------------------
+
+async function processDislike (activity: ActivityCreate | ActivityDislike, byActor: ActorModel) {
+  const dislikeObject = activity.type === 'Dislike' ? activity.object : (activity.object as DislikeObject).object
+  const byAccount = byActor.Account
+
+  if (!byAccount) throw new Error('Cannot create dislike with the non account actor ' + byActor.url)
+
+  const { video } = await getOrCreateVideoAndAccountAndChannel({ videoObject: dislikeObject })
+
+  return sequelizeTypescript.transaction(async t => {
+    const rate = {
+      type: 'dislike' as 'dislike',
+      videoId: video.id,
+      accountId: byAccount.id
+    }
+
+    const [ , created ] = await AccountVideoRateModel.findOrCreate({
+      where: rate,
+      defaults: Object.assign({}, rate, { url: getVideoDislikeActivityPubUrl(byActor, video) }),
+      transaction: t
+    })
+    if (created === true) await video.increment('dislikes', { transaction: t })
+
+    if (video.isOwned() && created === true) {
+      // Don't resend the activity to the sender
+      const exceptions = [ byActor ]
+
+      await forwardVideoRelatedActivity(activity, t, exceptions, video)
+    }
+  })
+}
diff --git a/server/lib/activitypub/process/process-flag.ts b/server/lib/activitypub/process/process-flag.ts
new file mode 100644
index 000000000..79ce6fb41
--- /dev/null
+++ b/server/lib/activitypub/process/process-flag.ts
@@ -0,0 +1,49 @@
+import { ActivityCreate, ActivityFlag, VideoAbuseState } from '../../../../shared'
+import { VideoAbuseObject } from '../../../../shared/models/activitypub/objects'
+import { retryTransactionWrapper } from '../../../helpers/database-utils'
+import { logger } from '../../../helpers/logger'
+import { sequelizeTypescript } from '../../../initializers'
+import { ActorModel } from '../../../models/activitypub/actor'
+import { VideoAbuseModel } from '../../../models/video/video-abuse'
+import { getOrCreateVideoAndAccountAndChannel } from '../videos'
+import { Notifier } from '../../notifier'
+import { getAPId } from '../../../helpers/activitypub'
+
+async function processFlagActivity (activity: ActivityCreate | ActivityFlag, byActor: ActorModel) {
+  return retryTransactionWrapper(processCreateVideoAbuse, activity, byActor)
+}
+
+// ---------------------------------------------------------------------------
+
+export {
+  processFlagActivity
+}
+
+// ---------------------------------------------------------------------------
+
+async function processCreateVideoAbuse (activity: ActivityCreate | ActivityFlag, byActor: ActorModel) {
+  const flag = activity.type === 'Flag' ? activity : (activity.object as VideoAbuseObject)
+
+  logger.debug('Reporting remote abuse for video %s.', getAPId(flag.object))
+
+  const account = byActor.Account
+  if (!account) throw new Error('Cannot create dislike with the non account actor ' + byActor.url)
+
+  const { video } = await getOrCreateVideoAndAccountAndChannel({ videoObject: flag.object })
+
+  return sequelizeTypescript.transaction(async t => {
+    const videoAbuseData = {
+      reporterAccountId: account.id,
+      reason: flag.content,
+      videoId: video.id,
+      state: VideoAbuseState.PENDING
+    }
+
+    const videoAbuseInstance = await VideoAbuseModel.create(videoAbuseData, { transaction: t })
+    videoAbuseInstance.Video = video
+
+    Notifier.Instance.notifyOnNewVideoAbuse(videoAbuseInstance)
+
+    logger.info('Remote abuse for video uuid %s created', flag.object)
+  })
+}
diff --git a/server/lib/activitypub/process/process-follow.ts b/server/lib/activitypub/process/process-follow.ts
index a67892440..0cd537187 100644
--- a/server/lib/activitypub/process/process-follow.ts
+++ b/server/lib/activitypub/process/process-follow.ts
@@ -6,9 +6,10 @@ import { ActorModel } from '../../../models/activitypub/actor'
 import { ActorFollowModel } from '../../../models/activitypub/actor-follow'
 import { sendAccept } from '../send'
 import { Notifier } from '../../notifier'
+import { getAPId } from '../../../helpers/activitypub'
 
 async function processFollowActivity (activity: ActivityFollow, byActor: ActorModel) {
-  const activityObject = activity.object
+  const activityObject = getAPId(activity.object)
 
   return retryTransactionWrapper(processFollow, byActor, activityObject)
 }
diff --git a/server/lib/activitypub/process/process-like.ts b/server/lib/activitypub/process/process-like.ts
index e8e97eece..2a04167d7 100644
--- a/server/lib/activitypub/process/process-like.ts
+++ b/server/lib/activitypub/process/process-like.ts
@@ -6,6 +6,7 @@ import { ActorModel } from '../../../models/activitypub/actor'
 import { forwardVideoRelatedActivity } from '../send/utils'
 import { getOrCreateVideoAndAccountAndChannel } from '../videos'
 import { getVideoLikeActivityPubUrl } from '../url'
+import { getAPId } from '../../../helpers/activitypub'
 
 async function processLikeActivity (activity: ActivityLike, byActor: ActorModel) {
   return retryTransactionWrapper(processLikeVideo, byActor, activity)
@@ -20,7 +21,7 @@ export {
 // ---------------------------------------------------------------------------
 
 async function processLikeVideo (byActor: ActorModel, activity: ActivityLike) {
-  const videoUrl = activity.object
+  const videoUrl = getAPId(activity.object)
 
   const byAccount = byActor.Account
   if (!byAccount) throw new Error('Cannot create like with the non account actor ' + byActor.url)
diff --git a/server/lib/activitypub/process/process-undo.ts b/server/lib/activitypub/process/process-undo.ts
index 438a013b6..ed0177a67 100644
--- a/server/lib/activitypub/process/process-undo.ts
+++ b/server/lib/activitypub/process/process-undo.ts
@@ -26,6 +26,10 @@ async function processUndoActivity (activity: ActivityUndo, byActor: ActorModel)
     }
   }
 
+  if (activityToUndo.type === 'Dislike') {
+    return retryTransactionWrapper(processUndoDislike, byActor, activity)
+  }
+
   if (activityToUndo.type === 'Follow') {
     return retryTransactionWrapper(processUndoFollow, byActor, activityToUndo)
   }
@@ -72,7 +76,9 @@ async function processUndoLike (byActor: ActorModel, activity: ActivityUndo) {
 }
 
 async function processUndoDislike (byActor: ActorModel, activity: ActivityUndo) {
-  const dislike = activity.object.object as DislikeObject
+  const dislike = activity.object.type === 'Dislike'
+    ? activity.object
+    : activity.object.object as DislikeObject
 
   const { video } = await getOrCreateVideoAndAccountAndChannel({ videoObject: dislike.object })
 
diff --git a/server/lib/activitypub/process/process-view.ts b/server/lib/activitypub/process/process-view.ts
new file mode 100644
index 000000000..8f66d3630
--- /dev/null
+++ b/server/lib/activitypub/process/process-view.ts
@@ -0,0 +1,35 @@
+import { ActorModel } from '../../../models/activitypub/actor'
+import { getOrCreateVideoAndAccountAndChannel } from '../videos'
+import { forwardVideoRelatedActivity } from '../send/utils'
+import { Redis } from '../../redis'
+import { ActivityCreate, ActivityView, ViewObject } from '../../../../shared/models/activitypub'
+
+async function processViewActivity (activity: ActivityView | ActivityCreate, byActor: ActorModel) {
+  return processCreateView(activity, byActor)
+}
+
+// ---------------------------------------------------------------------------
+
+export {
+  processViewActivity
+}
+
+// ---------------------------------------------------------------------------
+
+async function processCreateView (activity: ActivityView | ActivityCreate, byActor: ActorModel) {
+  const videoObject = activity.type === 'View' ? activity.object : (activity.object as ViewObject).object
+
+  const options = {
+    videoObject: videoObject,
+    fetchType: 'only-video' as 'only-video'
+  }
+  const { video } = await getOrCreateVideoAndAccountAndChannel(options)
+
+  await Redis.Instance.addVideoView(video.id)
+
+  if (video.isOwned()) {
+    // Don't resend the activity to the sender
+    const exceptions = [ byActor ]
+    await forwardVideoRelatedActivity(activity, undefined, exceptions, video)
+  }
+}
diff --git a/server/lib/activitypub/process/process.ts b/server/lib/activitypub/process/process.ts
index bcc5cac7a..9dd241402 100644
--- a/server/lib/activitypub/process/process.ts
+++ b/server/lib/activitypub/process/process.ts
@@ -1,5 +1,5 @@
 import { Activity, ActivityType } from '../../../../shared/models/activitypub'
-import { checkUrlsSameHost, getAPUrl } from '../../../helpers/activitypub'
+import { checkUrlsSameHost, getAPId } from '../../../helpers/activitypub'
 import { logger } from '../../../helpers/logger'
 import { ActorModel } from '../../../models/activitypub/actor'
 import { processAcceptActivity } from './process-accept'
@@ -12,6 +12,9 @@ import { processRejectActivity } from './process-reject'
 import { processUndoActivity } from './process-undo'
 import { processUpdateActivity } from './process-update'
 import { getOrCreateActorAndServerAndModel } from '../actor'
+import { processDislikeActivity } from './process-dislike'
+import { processFlagActivity } from './process-flag'
+import { processViewActivity } from './process-view'
 
 const processActivity: { [ P in ActivityType ]: (activity: Activity, byActor: ActorModel, inboxActor?: ActorModel) => Promise<any> } = {
   Create: processCreateActivity,
@@ -22,7 +25,10 @@ const processActivity: { [ P in ActivityType ]: (activity: Activity, byActor: Ac
   Reject: processRejectActivity,
   Announce: processAnnounceActivity,
   Undo: processUndoActivity,
-  Like: processLikeActivity
+  Like: processLikeActivity,
+  Dislike: processDislikeActivity,
+  Flag: processFlagActivity,
+  View: processViewActivity
 }
 
 async function processActivities (
@@ -35,12 +41,12 @@ async function processActivities (
   const actorsCache: { [ url: string ]: ActorModel } = {}
 
   for (const activity of activities) {
-    if (!options.signatureActor && [ 'Create', 'Announce', 'Like' ].indexOf(activity.type) === -1) {
+    if (!options.signatureActor && [ 'Create', 'Announce', 'Like' ].includes(activity.type) === false) {
       logger.error('Cannot process activity %s (type: %s) without the actor signature.', activity.id, activity.type)
       continue
     }
 
-    const actorUrl = getAPUrl(activity.actor)
+    const actorUrl = getAPId(activity.actor)
 
     // When we fetch remote data, we don't have signature
     if (options.signatureActor && actorUrl !== options.signatureActor.url) {
diff --git a/server/lib/activitypub/send/send-create.ts b/server/lib/activitypub/send/send-create.ts
index e3fca0a17..ef20e404c 100644
--- a/server/lib/activitypub/send/send-create.ts
+++ b/server/lib/activitypub/send/send-create.ts
@@ -3,9 +3,7 @@ import { ActivityAudience, ActivityCreate } from '../../../../shared/models/acti
 import { VideoPrivacy } from '../../../../shared/models/videos'
 import { ActorModel } from '../../../models/activitypub/actor'
 import { VideoModel } from '../../../models/video/video'
-import { VideoAbuseModel } from '../../../models/video/video-abuse'
 import { VideoCommentModel } from '../../../models/video/video-comment'
-import { getVideoAbuseActivityPubUrl, getVideoDislikeActivityPubUrl, getVideoViewActivityPubUrl } from '../url'
 import { broadcastToActors, broadcastToFollowers, sendVideoRelatedActivity, unicastTo } from './utils'
 import { audiencify, getActorsInvolvedInVideo, getAudience, getAudienceFromFollowersOf, getVideoCommentAudience } from '../audience'
 import { logger } from '../../../helpers/logger'
@@ -25,31 +23,14 @@ async function sendCreateVideo (video: VideoModel, t: Transaction) {
   return broadcastToFollowers(createActivity, byActor, [ byActor ], t)
 }
 
-async function sendVideoAbuse (byActor: ActorModel, videoAbuse: VideoAbuseModel, video: VideoModel) {
-  if (!video.VideoChannel.Account.Actor.serverId) return // Local
-
-  const url = getVideoAbuseActivityPubUrl(videoAbuse)
-
-  logger.info('Creating job to send video abuse %s.', url)
-
-  // Custom audience, we only send the abuse to the origin instance
-  const audience = { to: [ video.VideoChannel.Account.Actor.url ], cc: [] }
-  const createActivity = buildCreateActivity(url, byActor, videoAbuse.toActivityPubObject(), audience)
-
-  return unicastTo(createActivity, byActor, video.VideoChannel.Account.Actor.sharedInboxUrl)
-}
-
-async function sendCreateCacheFile (byActor: ActorModel, fileRedundancy: VideoRedundancyModel) {
+async function sendCreateCacheFile (byActor: ActorModel, video: VideoModel, fileRedundancy: VideoRedundancyModel) {
   logger.info('Creating job to send file cache of %s.', fileRedundancy.url)
 
-  const video = await VideoModel.loadAndPopulateAccountAndServerAndTags(fileRedundancy.VideoFile.Video.id)
-  const redundancyObject = fileRedundancy.toActivityPubObject()
-
   return sendVideoRelatedCreateActivity({
     byActor,
     video,
     url: fileRedundancy.url,
-    object: redundancyObject
+    object: fileRedundancy.toActivityPubObject()
   })
 }
 
@@ -91,37 +72,6 @@ async function sendCreateVideoComment (comment: VideoCommentModel, t: Transactio
   return unicastTo(createActivity, byActor, comment.Video.VideoChannel.Account.Actor.sharedInboxUrl)
 }
 
-async function sendCreateView (byActor: ActorModel, video: VideoModel, t: Transaction) {
-  logger.info('Creating job to send view of %s.', video.url)
-
-  const url = getVideoViewActivityPubUrl(byActor, video)
-  const viewActivity = buildViewActivity(url, byActor, video)
-
-  return sendVideoRelatedCreateActivity({
-    // Use the server actor to send the view
-    byActor,
-    video,
-    url,
-    object: viewActivity,
-    transaction: t
-  })
-}
-
-async function sendCreateDislike (byActor: ActorModel, video: VideoModel, t: Transaction) {
-  logger.info('Creating job to dislike %s.', video.url)
-
-  const url = getVideoDislikeActivityPubUrl(byActor, video)
-  const dislikeActivity = buildDislikeActivity(url, byActor, video)
-
-  return sendVideoRelatedCreateActivity({
-    byActor,
-    video,
-    url,
-    object: dislikeActivity,
-    transaction: t
-  })
-}
-
 function buildCreateActivity (url: string, byActor: ActorModel, object: any, audience?: ActivityAudience): ActivityCreate {
   if (!audience) audience = getAudience(byActor)
 
@@ -136,33 +86,11 @@ function buildCreateActivity (url: string, byActor: ActorModel, object: any, aud
   )
 }
 
-function buildDislikeActivity (url: string, byActor: ActorModel, video: VideoModel) {
-  return {
-    id: url,
-    type: 'Dislike',
-    actor: byActor.url,
-    object: video.url
-  }
-}
-
-function buildViewActivity (url: string, byActor: ActorModel, video: VideoModel) {
-  return {
-    id: url,
-    type: 'View',
-    actor: byActor.url,
-    object: video.url
-  }
-}
-
 // ---------------------------------------------------------------------------
 
 export {
   sendCreateVideo,
-  sendVideoAbuse,
   buildCreateActivity,
-  sendCreateView,
-  sendCreateDislike,
-  buildDislikeActivity,
   sendCreateVideoComment,
   sendCreateCacheFile
 }
diff --git a/server/lib/activitypub/send/send-dislike.ts b/server/lib/activitypub/send/send-dislike.ts
new file mode 100644
index 000000000..a88436f2c
--- /dev/null
+++ b/server/lib/activitypub/send/send-dislike.ts
@@ -0,0 +1,41 @@
+import { Transaction } from 'sequelize'
+import { ActorModel } from '../../../models/activitypub/actor'
+import { VideoModel } from '../../../models/video/video'
+import { getVideoDislikeActivityPubUrl } from '../url'
+import { logger } from '../../../helpers/logger'
+import { ActivityAudience, ActivityDislike } from '../../../../shared/models/activitypub'
+import { sendVideoRelatedActivity } from './utils'
+import { audiencify, getAudience } from '../audience'
+
+async function sendDislike (byActor: ActorModel, video: VideoModel, t: Transaction) {
+  logger.info('Creating job to dislike %s.', video.url)
+
+  const activityBuilder = (audience: ActivityAudience) => {
+    const url = getVideoDislikeActivityPubUrl(byActor, video)
+
+    return buildDislikeActivity(url, byActor, video, audience)
+  }
+
+  return sendVideoRelatedActivity(activityBuilder, { byActor, video, transaction: t })
+}
+
+function buildDislikeActivity (url: string, byActor: ActorModel, video: VideoModel, audience?: ActivityAudience): ActivityDislike {
+  if (!audience) audience = getAudience(byActor)
+
+  return audiencify(
+    {
+      id: url,
+      type: 'Dislike' as 'Dislike',
+      actor: byActor.url,
+      object: video.url
+    },
+    audience
+  )
+}
+
+// ---------------------------------------------------------------------------
+
+export {
+  sendDislike,
+  buildDislikeActivity
+}
diff --git a/server/lib/activitypub/send/send-flag.ts b/server/lib/activitypub/send/send-flag.ts
new file mode 100644
index 000000000..96a7311b9
--- /dev/null
+++ b/server/lib/activitypub/send/send-flag.ts
@@ -0,0 +1,39 @@
+import { ActorModel } from '../../../models/activitypub/actor'
+import { VideoModel } from '../../../models/video/video'
+import { VideoAbuseModel } from '../../../models/video/video-abuse'
+import { getVideoAbuseActivityPubUrl } from '../url'
+import { unicastTo } from './utils'
+import { logger } from '../../../helpers/logger'
+import { ActivityAudience, ActivityFlag } from '../../../../shared/models/activitypub'
+import { audiencify, getAudience } from '../audience'
+
+async function sendVideoAbuse (byActor: ActorModel, videoAbuse: VideoAbuseModel, video: VideoModel) {
+  if (!video.VideoChannel.Account.Actor.serverId) return // Local user
+
+  const url = getVideoAbuseActivityPubUrl(videoAbuse)
+
+  logger.info('Creating job to send video abuse %s.', url)
+
+  // Custom audience, we only send the abuse to the origin instance
+  const audience = { to: [ video.VideoChannel.Account.Actor.url ], cc: [] }
+  const flagActivity = buildFlagActivity(url, byActor, videoAbuse, audience)
+
+  return unicastTo(flagActivity, byActor, video.VideoChannel.Account.Actor.sharedInboxUrl)
+}
+
+function buildFlagActivity (url: string, byActor: ActorModel, videoAbuse: VideoAbuseModel, audience: ActivityAudience): ActivityFlag {
+  if (!audience) audience = getAudience(byActor)
+
+  const activity = Object.assign(
+    { id: url, actor: byActor.url },
+    videoAbuse.toActivityPubObject()
+  )
+
+  return audiencify(activity, audience)
+}
+
+// ---------------------------------------------------------------------------
+
+export {
+  sendVideoAbuse
+}
diff --git a/server/lib/activitypub/send/send-undo.ts b/server/lib/activitypub/send/send-undo.ts
index bf1b6e117..ecbf605d6 100644
--- a/server/lib/activitypub/send/send-undo.ts
+++ b/server/lib/activitypub/send/send-undo.ts
@@ -2,7 +2,7 @@ import { Transaction } from 'sequelize'
 import {
   ActivityAnnounce,
   ActivityAudience,
-  ActivityCreate,
+  ActivityCreate, ActivityDislike,
   ActivityFollow,
   ActivityLike,
   ActivityUndo
@@ -13,13 +13,14 @@ import { VideoModel } from '../../../models/video/video'
 import { getActorFollowActivityPubUrl, getUndoActivityPubUrl, getVideoDislikeActivityPubUrl, getVideoLikeActivityPubUrl } from '../url'
 import { broadcastToFollowers, sendVideoRelatedActivity, unicastTo } from './utils'
 import { audiencify, getAudience } from '../audience'
-import { buildCreateActivity, buildDislikeActivity } from './send-create'
+import { buildCreateActivity } from './send-create'
 import { buildFollowActivity } from './send-follow'
 import { buildLikeActivity } from './send-like'
 import { VideoShareModel } from '../../../models/video/video-share'
 import { buildAnnounceWithVideoAudience } from './send-announce'
 import { logger } from '../../../helpers/logger'
 import { VideoRedundancyModel } from '../../../models/redundancy/video-redundancy'
+import { buildDislikeActivity } from './send-dislike'
 
 async function sendUndoFollow (actorFollow: ActorFollowModel, t: Transaction) {
   const me = actorFollow.ActorFollower
@@ -65,15 +66,15 @@ async function sendUndoDislike (byActor: ActorModel, video: VideoModel, t: Trans
 
   const dislikeUrl = getVideoDislikeActivityPubUrl(byActor, video)
   const dislikeActivity = buildDislikeActivity(dislikeUrl, byActor, video)
-  const createDislikeActivity = buildCreateActivity(dislikeUrl, byActor, dislikeActivity)
 
-  return sendUndoVideoRelatedActivity({ byActor, video, url: dislikeUrl, activity: createDislikeActivity, transaction: t })
+  return sendUndoVideoRelatedActivity({ byActor, video, url: dislikeUrl, activity: dislikeActivity, transaction: t })
 }
 
 async function sendUndoCacheFile (byActor: ActorModel, redundancyModel: VideoRedundancyModel, t: Transaction) {
   logger.info('Creating job to undo cache file %s.', redundancyModel.url)
 
-  const video = await VideoModel.loadAndPopulateAccountAndServerAndTags(redundancyModel.VideoFile.Video.id)
+  const videoId = redundancyModel.getVideo().id
+  const video = await VideoModel.loadAndPopulateAccountAndServerAndTags(videoId)
   const createActivity = buildCreateActivity(redundancyModel.url, byActor, redundancyModel.toActivityPubObject())
 
   return sendUndoVideoRelatedActivity({ byActor, video, url: redundancyModel.url, activity: createActivity, transaction: t })
@@ -94,7 +95,7 @@ export {
 function undoActivityData (
   url: string,
   byActor: ActorModel,
-  object: ActivityFollow | ActivityLike | ActivityCreate | ActivityAnnounce,
+  object: ActivityFollow | ActivityLike | ActivityDislike | ActivityCreate | ActivityAnnounce,
   audience?: ActivityAudience
 ): ActivityUndo {
   if (!audience) audience = getAudience(byActor)
@@ -114,7 +115,7 @@ async function sendUndoVideoRelatedActivity (options: {
   byActor: ActorModel,
   video: VideoModel,
   url: string,
-  activity: ActivityFollow | ActivityLike | ActivityCreate | ActivityAnnounce,
+  activity: ActivityFollow | ActivityLike | ActivityDislike | ActivityCreate | ActivityAnnounce,
   transaction: Transaction
 }) {
   const activityBuilder = (audience: ActivityAudience) => {
diff --git a/server/lib/activitypub/send/send-update.ts b/server/lib/activitypub/send/send-update.ts
index a68f03edf..839f66470 100644
--- a/server/lib/activitypub/send/send-update.ts
+++ b/server/lib/activitypub/send/send-update.ts
@@ -61,7 +61,7 @@ async function sendUpdateActor (accountOrChannel: AccountModel | VideoChannelMod
 async function sendUpdateCacheFile (byActor: ActorModel, redundancyModel: VideoRedundancyModel) {
   logger.info('Creating job to update cache file %s.', redundancyModel.url)
 
-  const video = await VideoModel.loadAndPopulateAccountAndServerAndTags(redundancyModel.VideoFile.Video.id)
+  const video = await VideoModel.loadAndPopulateAccountAndServerAndTags(redundancyModel.getVideo().id)
 
   const activityBuilder = (audience: ActivityAudience) => {
     const redundancyObject = redundancyModel.toActivityPubObject()
diff --git a/server/lib/activitypub/send/send-view.ts b/server/lib/activitypub/send/send-view.ts
new file mode 100644
index 000000000..8ad126be0
--- /dev/null
+++ b/server/lib/activitypub/send/send-view.ts
@@ -0,0 +1,40 @@
+import { Transaction } from 'sequelize'
+import { ActivityAudience, ActivityView } from '../../../../shared/models/activitypub'
+import { ActorModel } from '../../../models/activitypub/actor'
+import { VideoModel } from '../../../models/video/video'
+import { getVideoLikeActivityPubUrl } from '../url'
+import { sendVideoRelatedActivity } from './utils'
+import { audiencify, getAudience } from '../audience'
+import { logger } from '../../../helpers/logger'
+
+async function sendView (byActor: ActorModel, video: VideoModel, t: Transaction) {
+  logger.info('Creating job to send view of %s.', video.url)
+
+  const activityBuilder = (audience: ActivityAudience) => {
+    const url = getVideoLikeActivityPubUrl(byActor, video)
+
+    return buildViewActivity(url, byActor, video, audience)
+  }
+
+  return sendVideoRelatedActivity(activityBuilder, { byActor, video, transaction: t })
+}
+
+function buildViewActivity (url: string, byActor: ActorModel, video: VideoModel, audience?: ActivityAudience): ActivityView {
+  if (!audience) audience = getAudience(byActor)
+
+  return audiencify(
+    {
+      id: url,
+      type: 'View' as 'View',
+      actor: byActor.url,
+      object: video.url
+    },
+    audience
+  )
+}
+
+// ---------------------------------------------------------------------------
+
+export {
+  sendView
+}
diff --git a/server/lib/activitypub/share.ts b/server/lib/activitypub/share.ts
index 5dcba778c..1767df0ae 100644
--- a/server/lib/activitypub/share.ts
+++ b/server/lib/activitypub/share.ts
@@ -11,7 +11,7 @@ import { doRequest } from '../../helpers/requests'
 import { getOrCreateActorAndServerAndModel } from './actor'
 import { logger } from '../../helpers/logger'
 import { CRAWL_REQUEST_CONCURRENCY } from '../../initializers'
-import { checkUrlsSameHost, getAPUrl } from '../../helpers/activitypub'
+import { checkUrlsSameHost, getAPId } from '../../helpers/activitypub'
 
 async function shareVideoByServerAndChannel (video: VideoModel, t: Transaction) {
   if (video.privacy === VideoPrivacy.PRIVATE) return undefined
@@ -41,7 +41,7 @@ async function addVideoShares (shareUrls: string[], instance: VideoModel) {
       })
       if (!body || !body.actor) throw new Error('Body or body actor is invalid')
 
-      const actorUrl = getAPUrl(body.actor)
+      const actorUrl = getAPId(body.actor)
       if (checkUrlsSameHost(shareUrl, actorUrl) !== true) {
         throw new Error(`Actor url ${actorUrl} has not the same host than the share url ${shareUrl}`)
       }
@@ -78,7 +78,7 @@ async function shareByServer (video: VideoModel, t: Transaction) {
   const serverActor = await getServerActor()
 
   const serverShareUrl = getVideoAnnounceActivityPubUrl(serverActor, video)
-  return VideoShareModel.findOrCreate({
+  const [ serverShare ] = await VideoShareModel.findOrCreate({
     defaults: {
       actorId: serverActor.id,
       videoId: video.id,
@@ -88,16 +88,14 @@ async function shareByServer (video: VideoModel, t: Transaction) {
       url: serverShareUrl
     },
     transaction: t
-  }).then(([ serverShare, created ]) => {
-    if (created) return sendVideoAnnounce(serverActor, serverShare, video, t)
-
-    return undefined
   })
+
+  return sendVideoAnnounce(serverActor, serverShare, video, t)
 }
 
 async function shareByVideoChannel (video: VideoModel, t: Transaction) {
   const videoChannelShareUrl = getVideoAnnounceActivityPubUrl(video.VideoChannel.Actor, video)
-  return VideoShareModel.findOrCreate({
+  const [ videoChannelShare ] = await VideoShareModel.findOrCreate({
     defaults: {
       actorId: video.VideoChannel.actorId,
       videoId: video.id,
@@ -107,11 +105,9 @@ async function shareByVideoChannel (video: VideoModel, t: Transaction) {
       url: videoChannelShareUrl
     },
     transaction: t
-  }).then(([ videoChannelShare, created ]) => {
-    if (created) return sendVideoAnnounce(video.VideoChannel.Actor, videoChannelShare, video, t)
-
-    return undefined
   })
+
+  return sendVideoAnnounce(video.VideoChannel.Actor, videoChannelShare, video, t)
 }
 
 async function undoShareByVideoChannel (video: VideoModel, oldVideoChannel: VideoChannelModel, t: Transaction) {
diff --git a/server/lib/activitypub/url.ts b/server/lib/activitypub/url.ts
index 38f15448c..4229fe094 100644
--- a/server/lib/activitypub/url.ts
+++ b/server/lib/activitypub/url.ts
@@ -5,6 +5,8 @@ import { VideoModel } from '../../models/video/video'
 import { VideoAbuseModel } from '../../models/video/video-abuse'
 import { VideoCommentModel } from '../../models/video/video-comment'
 import { VideoFileModel } from '../../models/video/video-file'
+import { VideoStreamingPlaylist } from '../../../shared/models/videos/video-streaming-playlist.model'
+import { VideoStreamingPlaylistModel } from '../../models/video/video-streaming-playlist'
 
 function getVideoActivityPubUrl (video: VideoModel) {
   return CONFIG.WEBSERVER.URL + '/videos/watch/' + video.uuid
@@ -16,6 +18,10 @@ function getVideoCacheFileActivityPubUrl (videoFile: VideoFileModel) {
   return `${CONFIG.WEBSERVER.URL}/redundancy/videos/${videoFile.Video.uuid}/${videoFile.resolution}${suffixFPS}`
 }
 
+function getVideoCacheStreamingPlaylistActivityPubUrl (video: VideoModel, playlist: VideoStreamingPlaylistModel) {
+  return `${CONFIG.WEBSERVER.URL}/redundancy/video-playlists/${playlist.getStringType()}/${video.uuid}`
+}
+
 function getVideoCommentActivityPubUrl (video: VideoModel, videoComment: VideoCommentModel) {
   return CONFIG.WEBSERVER.URL + '/videos/watch/' + video.uuid + '/comments/' + videoComment.id
 }
@@ -92,6 +98,7 @@ function getUndoActivityPubUrl (originalUrl: string) {
 
 export {
   getVideoActivityPubUrl,
+  getVideoCacheStreamingPlaylistActivityPubUrl,
   getVideoChannelActivityPubUrl,
   getAccountActivityPubUrl,
   getVideoAbuseActivityPubUrl,
diff --git a/server/lib/activitypub/video-rates.ts b/server/lib/activitypub/video-rates.ts
index 2cce67f0c..7aac79118 100644
--- a/server/lib/activitypub/video-rates.ts
+++ b/server/lib/activitypub/video-rates.ts
@@ -1,7 +1,7 @@
 import { Transaction } from 'sequelize'
 import { AccountModel } from '../../models/account/account'
 import { VideoModel } from '../../models/video/video'
-import { sendCreateDislike, sendLike, sendUndoDislike, sendUndoLike } from './send'
+import { sendLike, sendUndoDislike, sendUndoLike } from './send'
 import { VideoRateType } from '../../../shared/models/videos'
 import * as Bluebird from 'bluebird'
 import { getOrCreateActorAndServerAndModel } from './actor'
@@ -9,9 +9,10 @@ import { AccountVideoRateModel } from '../../models/account/account-video-rate'
 import { logger } from '../../helpers/logger'
 import { CRAWL_REQUEST_CONCURRENCY } from '../../initializers'
 import { doRequest } from '../../helpers/requests'
-import { checkUrlsSameHost, getAPUrl } from '../../helpers/activitypub'
+import { checkUrlsSameHost, getAPId } from '../../helpers/activitypub'
 import { ActorModel } from '../../models/activitypub/actor'
 import { getVideoDislikeActivityPubUrl, getVideoLikeActivityPubUrl } from './url'
+import { sendDislike } from './send/send-dislike'
 
 async function createRates (ratesUrl: string[], video: VideoModel, rate: VideoRateType) {
   let rateCounts = 0
@@ -26,7 +27,7 @@ async function createRates (ratesUrl: string[], video: VideoModel, rate: VideoRa
       })
       if (!body || !body.actor) throw new Error('Body or body actor is invalid')
 
-      const actorUrl = getAPUrl(body.actor)
+      const actorUrl = getAPId(body.actor)
       if (checkUrlsSameHost(actorUrl, rateUrl) !== true) {
         throw new Error(`Rate url ${rateUrl} has not the same host than actor url ${actorUrl}`)
       }
@@ -82,7 +83,7 @@ async function sendVideoRateChange (account: AccountModel,
   // Like
   if (likes > 0) await sendLike(actor, video, t)
   // Dislike
-  if (dislikes > 0) await sendCreateDislike(actor, video, t)
+  if (dislikes > 0) await sendDislike(actor, video, t)
 }
 
 function getRateUrl (rateType: VideoRateType, actor: ActorModel, video: VideoModel) {
diff --git a/server/lib/activitypub/videos.ts b/server/lib/activitypub/videos.ts
index 893768769..710929aac 100644
--- a/server/lib/activitypub/videos.ts
+++ b/server/lib/activitypub/videos.ts
@@ -2,7 +2,14 @@ import * as Bluebird from 'bluebird'
 import * as sequelize from 'sequelize'
 import * as magnetUtil from 'magnet-uri'
 import * as request from 'request'
-import { ActivityIconObject, ActivityUrlObject, ActivityVideoUrlObject, VideoState } from '../../../shared/index'
+import {
+  ActivityIconObject,
+  ActivityPlaylistSegmentHashesObject,
+  ActivityPlaylistUrlObject,
+  ActivityUrlObject,
+  ActivityVideoUrlObject,
+  VideoState
+} from '../../../shared/index'
 import { VideoTorrentObject } from '../../../shared/models/activitypub/objects'
 import { VideoPrivacy } from '../../../shared/models/videos'
 import { sanitizeAndCheckVideoTorrentObject } from '../../helpers/custom-validators/activitypub/videos'
@@ -28,8 +35,11 @@ import { createRates } from './video-rates'
 import { addVideoShares, shareVideoByServerAndChannel } from './share'
 import { AccountModel } from '../../models/account/account'
 import { fetchVideoByUrl, VideoFetchByUrlType } from '../../helpers/video'
-import { checkUrlsSameHost, getAPUrl } from '../../helpers/activitypub'
+import { checkUrlsSameHost, getAPId } from '../../helpers/activitypub'
 import { Notifier } from '../notifier'
+import { VideoStreamingPlaylistModel } from '../../models/video/video-streaming-playlist'
+import { VideoStreamingPlaylistType } from '../../../shared/models/videos/video-streaming-playlist.type'
+import { FilteredModelAttributes } from 'sequelize-typescript/lib/models/Model'
 
 async function federateVideoIfNeeded (video: VideoModel, isNewVideo: boolean, transaction?: sequelize.Transaction) {
   // If the video is not private and published, we federate it
@@ -155,7 +165,7 @@ async function syncVideoExternalAttributes (video: VideoModel, fetchedVideo: Vid
 }
 
 async function getOrCreateVideoAndAccountAndChannel (options: {
-  videoObject: VideoTorrentObject | string,
+  videoObject: { id: string } | string,
   syncParam?: SyncParam,
   fetchType?: VideoFetchByUrlType,
   allowRefresh?: boolean // true by default
@@ -166,7 +176,7 @@ async function getOrCreateVideoAndAccountAndChannel (options: {
   const allowRefresh = options.allowRefresh !== false
 
   // Get video url
-  const videoUrl = getAPUrl(options.videoObject)
+  const videoUrl = getAPId(options.videoObject)
 
   let videoFromDatabase = await fetchVideoByUrl(videoUrl, fetchType)
   if (videoFromDatabase) {
@@ -179,7 +189,7 @@ async function getOrCreateVideoAndAccountAndChannel (options: {
       }
 
       if (syncParam.refreshVideo === true) videoFromDatabase = await refreshVideoIfNeeded(refreshOptions)
-      else await JobQueue.Instance.createJob({ type: 'activitypub-refresher', payload: { type: 'video', videoUrl: videoFromDatabase.url } })
+      else await JobQueue.Instance.createJob({ type: 'activitypub-refresher', payload: { type: 'video', url: videoFromDatabase.url } })
     }
 
     return { video: videoFromDatabase, created: false }
@@ -233,6 +243,7 @@ async function updateVideoFromAP (options: {
       options.video.set('support', videoData.support)
       options.video.set('nsfw', videoData.nsfw)
       options.video.set('commentsEnabled', videoData.commentsEnabled)
+      options.video.set('downloadEnabled', videoData.downloadEnabled)
       options.video.set('waitTranscoding', videoData.waitTranscoding)
       options.video.set('state', videoData.state)
       options.video.set('duration', videoData.duration)
@@ -264,6 +275,25 @@ async function updateVideoFromAP (options: {
       }
 
       {
+        const streamingPlaylistAttributes = streamingPlaylistActivityUrlToDBAttributes(options.video, options.videoObject)
+        const newStreamingPlaylists = streamingPlaylistAttributes.map(a => new VideoStreamingPlaylistModel(a))
+
+        // Remove video files that do not exist anymore
+        const destroyTasks = options.video.VideoStreamingPlaylists
+                                    .filter(f => !newStreamingPlaylists.find(newPlaylist => newPlaylist.hasSameUniqueKeysThan(f)))
+                                    .map(f => f.destroy(sequelizeOptions))
+        await Promise.all(destroyTasks)
+
+        // Update or add other one
+        const upsertTasks = streamingPlaylistAttributes.map(a => {
+          return VideoStreamingPlaylistModel.upsert<VideoStreamingPlaylistModel>(a, { returning: true, transaction: t })
+                               .then(([ streamingPlaylist ]) => streamingPlaylist)
+        })
+
+        options.video.VideoStreamingPlaylists = await Promise.all(upsertTasks)
+      }
+
+      {
         // Update Tags
         const tags = options.videoObject.tag.map(tag => tag.name)
         const tagInstances = await TagModel.findOrCreateTags(tags, t)
@@ -367,13 +397,25 @@ export {
 
 // ---------------------------------------------------------------------------
 
-function isActivityVideoUrlObject (url: ActivityUrlObject): url is ActivityVideoUrlObject {
+function isAPVideoUrlObject (url: ActivityUrlObject): url is ActivityVideoUrlObject {
   const mimeTypes = Object.keys(MIMETYPES.VIDEO.MIMETYPE_EXT)
 
   const urlMediaType = url.mediaType || url.mimeType
   return mimeTypes.indexOf(urlMediaType) !== -1 && urlMediaType.startsWith('video/')
 }
 
+function isAPStreamingPlaylistUrlObject (url: ActivityUrlObject): url is ActivityPlaylistUrlObject {
+  const urlMediaType = url.mediaType || url.mimeType
+
+  return urlMediaType === 'application/x-mpegURL'
+}
+
+function isAPPlaylistSegmentHashesUrlObject (tag: any): tag is ActivityPlaylistSegmentHashesObject {
+  const urlMediaType = tag.mediaType || tag.mimeType
+
+  return tag.name === 'sha256' && tag.type === 'Link' && urlMediaType === 'application/json'
+}
+
 async function createVideo (videoObject: VideoTorrentObject, channelActor: ActorModel, waitThumbnail = false) {
   logger.debug('Adding remote video %s.', videoObject.id)
 
@@ -394,8 +436,14 @@ async function createVideo (videoObject: VideoTorrentObject, channelActor: Actor
     const videoFilePromises = videoFileAttributes.map(f => VideoFileModel.create(f, { transaction: t }))
     await Promise.all(videoFilePromises)
 
+    const videoStreamingPlaylists = streamingPlaylistActivityUrlToDBAttributes(videoCreated, videoObject)
+    const playlistPromises = videoStreamingPlaylists.map(p => VideoStreamingPlaylistModel.create(p, { transaction: t }))
+    await Promise.all(playlistPromises)
+
     // Process tags
-    const tags = videoObject.tag.map(t => t.name)
+    const tags = videoObject.tag
+                            .filter(t => t.type === 'Hashtag')
+                            .map(t => t.name)
     const tagInstances = await TagModel.findOrCreateTags(tags, t)
     await videoCreated.$set('Tags', tagInstances, sequelizeOptions)
 
@@ -456,6 +504,7 @@ async function videoActivityObjectToDBAttributes (
     support,
     nsfw: videoObject.sensitive,
     commentsEnabled: videoObject.commentsEnabled,
+    downloadEnabled: videoObject.downloadEnabled,
     waitTranscoding: videoObject.waitTranscoding,
     state: videoObject.state,
     channelId: videoChannel.id,
@@ -473,13 +522,13 @@ async function videoActivityObjectToDBAttributes (
 }
 
 function videoFileActivityUrlToDBAttributes (video: VideoModel, videoObject: VideoTorrentObject) {
-  const fileUrls = videoObject.url.filter(u => isActivityVideoUrlObject(u)) as ActivityVideoUrlObject[]
+  const fileUrls = videoObject.url.filter(u => isAPVideoUrlObject(u)) as ActivityVideoUrlObject[]
 
   if (fileUrls.length === 0) {
     throw new Error('Cannot find video files for ' + video.url)
   }
 
-  const attributes: VideoFileModel[] = []
+  const attributes: FilteredModelAttributes<VideoFileModel>[] = []
   for (const fileUrl of fileUrls) {
     // Fetch associated magnet uri
     const magnet = videoObject.url.find(u => {
@@ -502,7 +551,45 @@ function videoFileActivityUrlToDBAttributes (video: VideoModel, videoObject: Vid
       size: fileUrl.size,
       videoId: video.id,
       fps: fileUrl.fps || -1
-    } as VideoFileModel
+    }
+
+    attributes.push(attribute)
+  }
+
+  return attributes
+}
+
+function streamingPlaylistActivityUrlToDBAttributes (video: VideoModel, videoObject: VideoTorrentObject) {
+  const playlistUrls = videoObject.url.filter(u => isAPStreamingPlaylistUrlObject(u)) as ActivityPlaylistUrlObject[]
+  if (playlistUrls.length === 0) return []
+
+  const attributes: FilteredModelAttributes<VideoStreamingPlaylistModel>[] = []
+  for (const playlistUrlObject of playlistUrls) {
+    const p2pMediaLoaderInfohashes = playlistUrlObject.tag
+                                                      .filter(t => t.type === 'Infohash')
+                                                      .map(t => t.name)
+    if (p2pMediaLoaderInfohashes.length === 0) {
+      logger.warn('No infohashes found in AP playlist object.', { playlistUrl: playlistUrlObject })
+      continue
+    }
+
+    const segmentsSha256UrlObject = playlistUrlObject.tag
+                                                     .find(t => {
+                                                       return isAPPlaylistSegmentHashesUrlObject(t)
+                                                     }) as ActivityPlaylistSegmentHashesObject
+    if (!segmentsSha256UrlObject) {
+      logger.warn('No segment sha256 URL found in AP playlist object.', { playlistUrl: playlistUrlObject })
+      continue
+    }
+
+    const attribute = {
+      type: VideoStreamingPlaylistType.HLS,
+      playlistUrl: playlistUrlObject.href,
+      segmentsSha256Url: segmentsSha256UrlObject.href,
+      p2pMediaLoaderInfohashes,
+      videoId: video.id
+    }
+
     attributes.push(attribute)
   }