mastodon/app/workers/import/relationship_worker.rb
ThibG f1f96ebf02
Fix being able to import more than allowed number of follows (#15384)
* Fix being able to import more than allowed number of follows

Without this commit, if someone tries importing a second list of accounts to
follow before the first one has been processed, this will queue imports for
the two whole lists, even if they exceed the account's allowed number of
outgoing follows.

This commit changes it so the individual queued imports aren't exempt from
the follow limit check (they remain exempt from the rate-limiting check
though).

* Catch validation errors to not re-queue failed follows

Co-authored-by: Claire <claire.github-309c@sitedethib.com>
2020-12-26 23:52:46 +01:00

55 lines
1.8 KiB
Ruby

# frozen_string_literal: true
class Import::RelationshipWorker
include Sidekiq::Worker
sidekiq_options queue: 'pull', retry: 8, dead: false
def perform(account_id, target_account_uri, relationship, options = {})
from_account = Account.find(account_id)
target_domain = domain(target_account_uri)
target_account = stoplight_wrap_request(target_domain) { ResolveAccountService.new.call(target_account_uri, { check_delivery_availability: true }) }
options.symbolize_keys!
return if target_account.nil?
case relationship
when 'follow'
begin
FollowService.new.call(from_account, target_account, options)
rescue ActiveRecord::RecordInvalid
raise if FollowLimitValidator.limit_for_account(from_account) < from_account.following_count
end
when 'unfollow'
UnfollowService.new.call(from_account, target_account)
when 'block'
BlockService.new.call(from_account, target_account)
when 'unblock'
UnblockService.new.call(from_account, target_account)
when 'mute'
MuteService.new.call(from_account, target_account, options)
when 'unmute'
UnmuteService.new.call(from_account, target_account)
end
rescue ActiveRecord::RecordNotFound
true
end
def domain(uri)
domain = uri.is_a?(Account) ? uri.domain : uri.split('@')[1]
TagManager.instance.local_domain?(domain) ? nil : TagManager.instance.normalize_domain(domain)
end
def stoplight_wrap_request(domain, &block)
if domain.present?
Stoplight("source:#{domain}", &block)
.with_fallback { nil }
.with_threshold(1)
.with_cool_off_time(5.minutes.seconds)
.with_error_handler { |error, handle| error.is_a?(HTTP::Error) || error.is_a?(OpenSSL::SSL::SSLError) ? handle.call(error) : raise(error) }
.run
else
block.call
end
end
end