89 lines
3.5 KiB
Ruby
89 lines
3.5 KiB
Ruby
# frozen_string_literal: true
|
|
|
|
class FollowService < BaseService
|
|
include StreamEntryRenderer
|
|
|
|
# Follow a remote user, notify remote user about the follow
|
|
# @param [Account] source_account From which to follow
|
|
# @param [String, Account] uri User URI to follow in the form of username@domain (or account record)
|
|
# @param [true, false, nil] reblogs Whether or not to show reblogs, defaults to true
|
|
def call(source_account, uri, reblogs: nil)
|
|
reblogs = true if reblogs.nil?
|
|
target_account = uri.is_a?(Account) ? uri : ResolveRemoteAccountService.new.call(uri)
|
|
|
|
raise ActiveRecord::RecordNotFound if target_account.nil? || target_account.id == source_account.id || target_account.suspended?
|
|
raise Mastodon::NotPermittedError if target_account.blocking?(source_account) || source_account.blocking?(target_account)
|
|
|
|
if source_account.following?(target_account)
|
|
# We're already following this account, but we'll call follow! again to
|
|
# make sure the reblogs status is set correctly.
|
|
source_account.follow!(target_account, reblogs: reblogs)
|
|
return
|
|
elsif source_account.requested?(target_account)
|
|
# This isn't managed by a method in AccountInteractions, so we modify it
|
|
# ourselves if necessary.
|
|
req = source_account.follow_requests.find_by(target_account: target_account)
|
|
req.update!(show_reblogs: reblogs)
|
|
return
|
|
end
|
|
|
|
if target_account.locked? || target_account.activitypub?
|
|
request_follow(source_account, target_account, reblogs: reblogs)
|
|
else
|
|
direct_follow(source_account, target_account, reblogs: reblogs)
|
|
end
|
|
end
|
|
|
|
private
|
|
|
|
def request_follow(source_account, target_account, reblogs: true)
|
|
follow_request = FollowRequest.create!(account: source_account, target_account: target_account, show_reblogs: reblogs)
|
|
|
|
if target_account.local?
|
|
NotifyService.new.call(target_account, follow_request)
|
|
elsif target_account.ostatus?
|
|
NotificationWorker.perform_async(build_follow_request_xml(follow_request), source_account.id, target_account.id)
|
|
AfterRemoteFollowRequestWorker.perform_async(follow_request.id)
|
|
elsif target_account.activitypub?
|
|
ActivityPub::DeliveryWorker.perform_async(build_json(follow_request), source_account.id, target_account.inbox_url)
|
|
end
|
|
|
|
follow_request
|
|
end
|
|
|
|
def direct_follow(source_account, target_account, reblogs: true)
|
|
follow = source_account.follow!(target_account, reblogs: reblogs)
|
|
|
|
if target_account.local?
|
|
NotifyService.new.call(target_account, follow)
|
|
else
|
|
Pubsubhubbub::SubscribeWorker.perform_async(target_account.id) unless target_account.subscribed?
|
|
NotificationWorker.perform_async(build_follow_xml(follow), source_account.id, target_account.id)
|
|
AfterRemoteFollowWorker.perform_async(follow.id)
|
|
end
|
|
|
|
MergeWorker.perform_async(target_account.id, source_account.id)
|
|
|
|
follow
|
|
end
|
|
|
|
def redis
|
|
Redis.current
|
|
end
|
|
|
|
def build_follow_request_xml(follow_request)
|
|
OStatus::AtomSerializer.render(OStatus::AtomSerializer.new.follow_request_salmon(follow_request))
|
|
end
|
|
|
|
def build_follow_xml(follow)
|
|
OStatus::AtomSerializer.render(OStatus::AtomSerializer.new.follow_salmon(follow))
|
|
end
|
|
|
|
def build_json(follow_request)
|
|
Oj.dump(ActivityPub::LinkedDataSignature.new(ActiveModelSerializers::SerializableResource.new(
|
|
follow_request,
|
|
serializer: ActivityPub::FollowSerializer,
|
|
adapter: ActivityPub::Adapter
|
|
).as_json).sign!(follow_request.account))
|
|
end
|
|
end
|