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mastodon/app/lib/activitypub/activity/undo.rb
Eugen Rochko dd7ef0dc41 Add ActivityPub inbox (#4216)
* Add ActivityPub inbox

* Handle ActivityPub deletes

* Handle ActivityPub creates

* Handle ActivityPub announces

* Stubs for handling all activities that need to be handled

* Add ActivityPub actor resolving

* Handle conversation URI passing in ActivityPub

* Handle content language in ActivityPub

* Send accept header when fetching actor, handle JSON parse errors

* Test for ActivityPub::FetchRemoteAccountService

* Handle public key and icon/image when embedded/as array/as resolvable URI

* Implement ActivityPub::FetchRemoteStatusService

* Add stubs for more interactions

* Undo activities implemented

* Handle out of order activities

* Hook up ActivityPub to ResolveRemoteAccountService, handle
Update Account activities

* Add fragment IDs to all transient activity serializers

* Add tests and fixes

* Add stubs for missing tests

* Add more tests

* Add more tests
2017-08-08 21:52:15 +02:00

70 lines
1.4 KiB
Ruby

# frozen_string_literal: true
class ActivityPub::Activity::Undo < ActivityPub::Activity
def perform
case @object['type']
when 'Announce'
undo_announce
when 'Follow'
undo_follow
when 'Like'
undo_like
when 'Block'
undo_block
end
end
private
def undo_announce
status = Status.find_by(uri: object_uri, account: @account)
if status.nil?
delete_later!(object_uri)
else
RemoveStatusService.new.call(status)
end
end
def undo_follow
target_account = account_from_uri(target_uri)
return if target_account.nil? || !target_account.local?
if @account.following?(target_account)
@account.unfollow!(target_account)
else
delete_later!(object_uri)
end
end
def undo_like
status = status_from_uri(target_uri)
return if status.nil? || !status.account.local?
if @account.favourited?(status)
favourite = status.favourites.where(account: @account).first
favourite&.destroy
else
delete_later!(object_uri)
end
end
def undo_block
target_account = account_from_uri(target_uri)
return if target_account.nil? || !target_account.local?
if @account.blocking?(target_account)
UnblockService.new.call(@account, target_account)
else
delete_later!(object_uri)
end
end
def target_uri
@target_uri ||= @object['object'].is_a?(String) ? @object['object'] : @object['object']['id']
end
end