Remove activitypub helper

[github/Chocobozzz/PeerTube.git] / server / lib / activitypub / process / process-follow.ts

diff --git a/server/lib/activitypub/process/process-follow.ts b/server/lib/activitypub/process/process-follow.ts
index 41b38828c5bebcc83d8beefec52af141cdb482c6..93df7e191e2a7f6b3c2061a4290c98e86b998905 100644 (file)
--- a/server/lib/activitypub/process/process-follow.ts
+++ b/server/lib/activitypub/process/process-follow.ts
@@ -1,16 +1,25 @@
-import { ActivityFollow } from '../../../../shared/models/activitypub/activity'
-import { retryTransactionWrapper } from '../../../helpers'
-import { database as db } from '../../../initializers'
-import { AccountInstance } from '../../../models/account/account-interface'
+import { getServerActor } from '@server/models/application/application'
+import { ActivityFollow } from '../../../../shared/models/activitypub'
+import { retryTransactionWrapper } from '../../../helpers/database-utils'
 import { logger } from '../../../helpers/logger'
-import { sendAccept } from '../send/send-accept'
-import { getOrCreateAccount } from '../account'
+import { CONFIG } from '../../../initializers/config'
+import { sequelizeTypescript } from '../../../initializers/database'
+import { getAPId } from '../../../lib/activitypub/activity'
+import { ActorModel } from '../../../models/actor/actor'
+import { ActorFollowModel } from '../../../models/actor/actor-follow'
+import { APProcessorOptions } from '../../../types/activitypub-processor.model'
+import { MActorFollowActors, MActorSignature } from '../../../types/models'
+import { Notifier } from '../../notifier'
+import { autoFollowBackIfNeeded } from '../follow'
+import { sendAccept, sendReject } from '../send'
 
-async function processFollowActivity (activity: ActivityFollow) {
-  const activityObject = activity.object
-  const account = await getOrCreateAccount(activity.actor)
+async function processFollowActivity (options: APProcessorOptions<ActivityFollow>) {
+  const { activity, byActor } = options
 
-  return processFollow(account, activityObject)
+  const activityId = activity.id
+  const objectId = getAPId(activity.object)
+
+  return retryTransactionWrapper(processFollow, byActor, activityId, objectId)
 }
 
 // ---------------------------------------------------------------------------
@@ -21,40 +30,74 @@ export {
 
 // ---------------------------------------------------------------------------
 
-function processFollow (account: AccountInstance, targetAccountURL: string) {
-  const options = {
-    arguments: [ account, targetAccountURL ],
-    errorMessage: 'Cannot follow with many retries.'
-  }
+async function processFollow (byActor: MActorSignature, activityId: string, targetActorURL: string) {
+  const { actorFollow, created, isFollowingInstance, targetActor } = await sequelizeTypescript.transaction(async t => {
+    const targetActor = await ActorModel.loadByUrlAndPopulateAccountAndChannel(targetActorURL, t)
 
-  return retryTransactionWrapper(follow, options)
-}
+    if (!targetActor) throw new Error('Unknown actor')
+    if (targetActor.isOwned() === false) throw new Error('This is not a local actor.')
+
+    const serverActor = await getServerActor()
+    const isFollowingInstance = targetActor.id === serverActor.id
+
+    if (isFollowingInstance && CONFIG.FOLLOWERS.INSTANCE.ENABLED === false) {
+      logger.info('Rejecting %s because instance followers are disabled.', targetActor.url)
 
-async function follow (account: AccountInstance, targetAccountURL: string) {
-  await db.sequelize.transaction(async t => {
-    const targetAccount = await db.Account.loadByUrl(targetAccountURL, t)
-
-    if (!targetAccount) throw new Error('Unknown account')
-    if (targetAccount.isOwned() === false) throw new Error('This is not a local account.')
-
-    const [ accountFollow ] = await db.AccountFollow.findOrCreate({
-      where: {
-        accountId: account.id,
-        targetAccountId: targetAccount.id
-      },
-      defaults: {
-        accountId: account.id,
-        targetAccountId: targetAccount.id,
-        state: 'accepted'
-      },
+      sendReject(activityId, byActor, targetActor)
+
+      return { actorFollow: undefined as MActorFollowActors }
+    }
+
+    const [ actorFollow, created ] = await ActorFollowModel.findOrCreateCustom({
+      byActor,
+      targetActor,
+      activityId,
+      state: CONFIG.FOLLOWERS.INSTANCE.MANUAL_APPROVAL
+        ? 'pending'
+        : 'accepted',
       transaction: t
     })
-    accountFollow.AccountFollower = account
-    accountFollow.AccountFollowing = targetAccount
 
-    // Target sends to account he accepted the follow request
-    return sendAccept(accountFollow, t)
+    // Set the follow as accepted if the remote actor follows a channel or account
+    // Or if the instance automatically accepts followers
+    if (actorFollow.state !== 'accepted' && (isFollowingInstance === false || CONFIG.FOLLOWERS.INSTANCE.MANUAL_APPROVAL === false)) {
+      actorFollow.state = 'accepted'
+
+      await actorFollow.save({ transaction: t })
+    }
+
+    // Before PeerTube V3 we did not save the follow ID. Try to fix these old follows
+    if (!actorFollow.url) {
+      actorFollow.url = activityId
+      await actorFollow.save({ transaction: t })
+    }
+
+    actorFollow.ActorFollower = byActor
+    actorFollow.ActorFollowing = targetActor
+
+    // Target sends to actor he accepted the follow request
+    if (actorFollow.state === 'accepted') {
+      sendAccept(actorFollow)
+
+      await autoFollowBackIfNeeded(actorFollow, t)
+    }
+
+    return { actorFollow, created, isFollowingInstance, targetActor }
   })
 
-  logger.info('Account uuid %s is followed by account %s.', account.url, targetAccountURL)
+  // Rejected
+  if (!actorFollow) return
+
+  if (created) {
+    const follower = await ActorModel.loadFull(byActor.id)
+    const actorFollowFull = Object.assign(actorFollow, { ActorFollowing: targetActor, ActorFollower: follower })
+
+    if (isFollowingInstance) {
+      Notifier.Instance.notifyOfNewInstanceFollow(actorFollowFull)
+    } else {
+      Notifier.Instance.notifyOfNewUserFollow(actorFollowFull)
+    }
+  }
+
+  logger.info('Actor %s is followed by actor %s.', targetActorURL, byActor.url)
 }