mirror/YuruToot
1
0
Fork 0
mirror of https://github.com/funamitech/mastodon synced 2024-12-03 01:09:08 +09:00
Code

Fetch boosted statuses on behalf of a follower (fixes #7426) (#7459)

Browse Source 
When an ActivityPub Announce is processed and the boosted toot is not known,
fetch it on behalf of one of the booster's followers. This is to allow
fetching self-boosts of previously-unknown private toots.

If fetching on behalf of a user fails, try fetching it anonymously: the
selected follower of a boosting user may be banned by the boosted toot's
author.
This commit is contained in:
ThibG 2018-05-12 16:48:32 +02:00 committed by Eugen Rochko
parent f9afd06221
commit 7467361d70
3 changed files with 13 additions and 8 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

15
app/helpers/jsonld_helper.rb
View File

@ -52,18 +52,22 @@ module JsonLdHelper
graph.dump(:normalize) graph.dump(:normalize)
end end
def fetch_resource(uri, id) def fetch_resource(uri, id, on_behalf_of = nil)
unless id unless id
json = fetch_resource_without_id_validation(uri) json = fetch_resource_without_id_validation(uri, on_behalf_of)
return unless json return unless json
uri = json['id'] uri = json['id']
end end
json = fetch_resource_without_id_validation(uri) json = fetch_resource_without_id_validation(uri, on_behalf_of)
json.present? && json['id'] == uri ? json : nil json.present? && json['id'] == uri ? json : nil
end end
def fetch_resource_without_id_validation(uri) def fetch_resource_without_id_validation(uri, on_behalf_of = nil)
build_request(uri, on_behalf_of).perform do |response|
return body_to_json(response.body_with_limit) if response.code == 200
end
# If request failed, retry without doing it on behalf of a user
build_request(uri).perform do |response| build_request(uri).perform do |response|
response.code == 200 ? body_to_json(response.body_with_limit) : nil response.code == 200 ? body_to_json(response.body_with_limit) : nil
end end
@ -85,8 +89,9 @@ module JsonLdHelper
private private
def build_request(uri) def build_request(uri, on_behalf_of = nil)
request = Request.new(:get, uri) request = Request.new(:get, uri)
request.on_behalf_of(on_behalf_of) if on_behalf_of
request.add_headers('Accept' => 'application/activity+json, application/ld+json') request.add_headers('Accept' => 'application/activity+json, application/ld+json')
request request
end end

2
app/lib/activitypub/activity/announce.rb
View File

@ -30,7 +30,7 @@ class ActivityPub::Activity::Announce < ActivityPub::Activity
if object_uri.start_with?('http') if object_uri.start_with?('http')
return if ActivityPub::TagManager.instance.local_uri?(object_uri) return if ActivityPub::TagManager.instance.local_uri?(object_uri)
ActivityPub::FetchRemoteStatusService.new.call(object_uri, id: true) ActivityPub::FetchRemoteStatusService.new.call(object_uri, id: true, on_behalf_of: @account.followers.local.first)
elsif @object['url'].present? elsif @object['url'].present?
::FetchRemoteStatusService.new.call(@object['url']) ::FetchRemoteStatusService.new.call(@object['url'])
end end

4
app/services/activitypub/fetch_remote_status_service.rb
View File

@ -4,9 +4,9 @@ class ActivityPub::FetchRemoteStatusService < BaseService
include JsonLdHelper include JsonLdHelper
# Should be called when uri has already been checked for locality # Should be called when uri has already been checked for locality
def call(uri, id: true, prefetched_body: nil) def call(uri, id: true, prefetched_body: nil, on_behalf_of: nil)
@json = if prefetched_body.nil? @json = if prefetched_body.nil?
fetch_resource(uri, id) fetch_resource(uri, id, on_behalf_of)
else else
body_to_json(prefetched_body) body_to_json(prefetched_body)
end end