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-rw-r--r--app/services/activitypub/fetch_remote_status_service.rb13
-rw-r--r--app/services/activitypub/fetch_replies_service.rb4
-rw-r--r--app/services/fetch_remote_status_service.rb4
-rw-r--r--app/services/resolve_url_service.rb2
4 files changed, 16 insertions, 7 deletions
diff --git a/app/services/activitypub/fetch_remote_status_service.rb b/app/services/activitypub/fetch_remote_status_service.rb
index 21b9242f8..936737bf6 100644
--- a/app/services/activitypub/fetch_remote_status_service.rb
+++ b/app/services/activitypub/fetch_remote_status_service.rb
@@ -2,10 +2,13 @@
 
 class ActivityPub::FetchRemoteStatusService < BaseService
   include JsonLdHelper
+  include Redisable
+
+  DISCOVERIES_PER_REQUEST = 1000
 
   # Should be called when uri has already been checked for locality
   def call(uri, id: true, prefetched_body: nil, on_behalf_of: nil, expected_actor_uri: nil, request_id: nil)
-    @request_id = request_id
+    @request_id = request_id || "#{Time.now.utc.to_i}-status-#{uri}"
     @json = begin
       if prefetched_body.nil?
         fetch_resource(uri, id, on_behalf_of)
@@ -42,7 +45,13 @@ class ActivityPub::FetchRemoteStatusService < BaseService
     # activity as an update rather than create
     activity_json['type'] = 'Update' if equals_or_includes_any?(activity_json['type'], %w(Create)) && Status.where(uri: object_uri, account_id: actor.id).exists?
 
-    ActivityPub::Activity.factory(activity_json, actor, request_id: request_id).perform
+    with_redis do |redis|
+      discoveries = redis.incr("status_discovery_per_request:#{@request_id}")
+      redis.expire("status_discovery_per_request:#{@request_id}", 5.minutes.seconds)
+      return nil if discoveries > DISCOVERIES_PER_REQUEST
+    end
+
+    ActivityPub::Activity.factory(activity_json, actor, request_id: @request_id).perform
   end
 
   private
diff --git a/app/services/activitypub/fetch_replies_service.rb b/app/services/activitypub/fetch_replies_service.rb
index 8cb309e52..18a27e851 100644
--- a/app/services/activitypub/fetch_replies_service.rb
+++ b/app/services/activitypub/fetch_replies_service.rb
@@ -3,14 +3,14 @@
 class ActivityPub::FetchRepliesService < BaseService
   include JsonLdHelper
 
-  def call(parent_status, collection_or_uri, allow_synchronous_requests = true)
+  def call(parent_status, collection_or_uri, allow_synchronous_requests: true, request_id: nil)
     @account = parent_status.account
     @allow_synchronous_requests = allow_synchronous_requests
 
     @items = collection_items(collection_or_uri)
     return if @items.nil?
 
-    FetchReplyWorker.push_bulk(filtered_replies)
+    FetchReplyWorker.push_bulk(filtered_replies) { |reply_uri| [reply_uri, { 'request_id' => request_id}] }
 
     @items
   end
diff --git a/app/services/fetch_remote_status_service.rb b/app/services/fetch_remote_status_service.rb
index eafde4d4a..08c2d24ba 100644
--- a/app/services/fetch_remote_status_service.rb
+++ b/app/services/fetch_remote_status_service.rb
@@ -1,7 +1,7 @@
 # frozen_string_literal: true
 
 class FetchRemoteStatusService < BaseService
-  def call(url, prefetched_body = nil)
+  def call(url, prefetched_body: nil, request_id: nil)
     if prefetched_body.nil?
       resource_url, resource_options = FetchResourceService.new.call(url)
     else
@@ -9,6 +9,6 @@ class FetchRemoteStatusService < BaseService
       resource_options = { prefetched_body: prefetched_body }
     end
 
-    ActivityPub::FetchRemoteStatusService.new.call(resource_url, **resource_options) unless resource_url.nil?
+    ActivityPub::FetchRemoteStatusService.new.call(resource_url, **resource_options.merge(request_id: request_id)) unless resource_url.nil?
   end
 end
diff --git a/app/services/resolve_url_service.rb b/app/services/resolve_url_service.rb
index 52f35daf3..d8e795f3b 100644
--- a/app/services/resolve_url_service.rb
+++ b/app/services/resolve_url_service.rb
@@ -25,7 +25,7 @@ class ResolveURLService < BaseService
     if equals_or_includes_any?(type, ActivityPub::FetchRemoteActorService::SUPPORTED_TYPES)
       ActivityPub::FetchRemoteActorService.new.call(resource_url, prefetched_body: body)
     elsif equals_or_includes_any?(type, ActivityPub::Activity::Create::SUPPORTED_TYPES + ActivityPub::Activity::Create::CONVERTED_TYPES)
-      status = FetchRemoteStatusService.new.call(resource_url, body)
+      status = FetchRemoteStatusService.new.call(resource_url, prefetched_body: body)
       authorize_with @on_behalf_of, status, :show? unless status.nil?
       status
     end