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authorEugen Rochko <eugen@zeonfederated.com>2017-08-20 16:53:47 +0200
committerGitHub <noreply@github.com>2017-08-20 16:53:47 +0200
commitfe5b66aa0870212e27a6632fb9c83a2d16bd99ab (patch)
tree4a5b53f21f2c29462d5c58afa2f2a03b30f702c4 /app
parent93d4192a67fde9aaf0c4e420cb5ecb5fe921e97c (diff)
Handle duplicate ActivityPub activities (#4639)
* Handle duplicate ActivityPub activities

Only perform side-effects when record processed for the first time

* Fast-forward repeat follow requests
Diffstat (limited to 'app')
-rw-r--r--app/lib/activitypub/activity/announce.rb4
-rw-r--r--app/lib/activitypub/activity/block.rb2
-rw-r--r--app/lib/activitypub/activity/follow.rb8
-rw-r--r--app/lib/activitypub/activity/like.rb4
-rw-r--r--app/services/authorize_follow_service.rb11
5 files changed, 22 insertions, 7 deletions
diff --git a/app/lib/activitypub/activity/announce.rb b/app/lib/activitypub/activity/announce.rb
index 09fec28a0..c4da405c7 100644
--- a/app/lib/activitypub/activity/announce.rb
+++ b/app/lib/activitypub/activity/announce.rb
@@ -7,6 +7,10 @@ class ActivityPub::Activity::Announce < ActivityPub::Activity
 
     return if original_status.nil? || delete_arrived_first?(@json['id'])
 
+    status = Status.find_by(account: @account, reblog: original_status)
+
+    return status unless status.nil?
+
     status = Status.create!(account: @account, reblog: original_status, uri: @json['id'])
     distribute(status)
     status
diff --git a/app/lib/activitypub/activity/block.rb b/app/lib/activitypub/activity/block.rb
index e6b6c837b..f630d5db2 100644
--- a/app/lib/activitypub/activity/block.rb
+++ b/app/lib/activitypub/activity/block.rb
@@ -4,7 +4,7 @@ class ActivityPub::Activity::Block < ActivityPub::Activity
   def perform
     target_account = account_from_uri(object_uri)
 
-    return if target_account.nil? || !target_account.local? || delete_arrived_first?(@json['id'])
+    return if target_account.nil? || !target_account.local? || delete_arrived_first?(@json['id']) || @account.blocking?(target_account)
 
     UnfollowService.new.call(target_account, @account) if target_account.following?(@account)
     @account.block!(target_account)
diff --git a/app/lib/activitypub/activity/follow.rb b/app/lib/activitypub/activity/follow.rb
index 3fb698d1d..8adbbb9c3 100644
--- a/app/lib/activitypub/activity/follow.rb
+++ b/app/lib/activitypub/activity/follow.rb
@@ -4,7 +4,13 @@ class ActivityPub::Activity::Follow < ActivityPub::Activity
   def perform
     target_account = account_from_uri(object_uri)
 
-    return if target_account.nil? || !target_account.local? || delete_arrived_first?(@json['id'])
+    return if target_account.nil? || !target_account.local? || delete_arrived_first?(@json['id']) || @account.requested?(target_account)
+
+    # Fast-forward repeat follow requests
+    if @account.following?(target_account)
+      AuthorizeFollowService.new.call(@account, target_account, skip_follow_request: true)
+      return
+    end
 
     follow_request = FollowRequest.create!(account: @account, target_account: target_account)
 
diff --git a/app/lib/activitypub/activity/like.rb b/app/lib/activitypub/activity/like.rb
index c24527597..674d5fe47 100644
--- a/app/lib/activitypub/activity/like.rb
+++ b/app/lib/activitypub/activity/like.rb
@@ -4,9 +4,9 @@ class ActivityPub::Activity::Like < ActivityPub::Activity
   def perform
     original_status = status_from_uri(object_uri)
 
-    return if original_status.nil? || !original_status.account.local? || delete_arrived_first?(@json['id'])
+    return if original_status.nil? || !original_status.account.local? || delete_arrived_first?(@json['id']) || @account.favourited?(original_status)
 
-    favourite = original_status.favourites.where(account: @account).first_or_create!(account: @account)
+    favourite = original_status.favourites.create!(account: @account)
     NotifyService.new.call(original_status.account, favourite)
   end
 end
diff --git a/app/services/authorize_follow_service.rb b/app/services/authorize_follow_service.rb
index db35b6030..6f036dc5a 100644
--- a/app/services/authorize_follow_service.rb
+++ b/app/services/authorize_follow_service.rb
@@ -1,9 +1,14 @@
 # frozen_string_literal: true
 
 class AuthorizeFollowService < BaseService
-  def call(source_account, target_account)
-    follow_request = FollowRequest.find_by!(account: source_account, target_account: target_account)
-    follow_request.authorize!
+  def call(source_account, target_account, options = {})
+    if options[:skip_follow_request]
+      follow_request = FollowRequest.new(account: source_account, target_account: target_account)
+    else
+      follow_request = FollowRequest.find_by!(account: source_account, target_account: target_account)
+      follow_request.authorize!
+    end
+
     create_notification(follow_request) unless source_account.local?
     follow_request
   end