Separate PuSH subscriptions from following, add mastodon:push:refresh task,

respect hub.lease_seconds (fix #46)
This commit is contained in:
Eugen Rochko 2016-09-20 00:39:03 +02:00
parent 1245ee42fb
commit 059ebbf48d
10 changed files with 77 additions and 43 deletions

View file

@ -4,6 +4,7 @@ class Api::SubscriptionsController < ApiController
def show
if @account.subscription(api_subscription_url(@account.id)).valid?(params['hub.topic'], params['hub.verify_token'])
@account.update(subscription_expires_at: Time.now + (params['hub.lease_seconds'].to_i).seconds)
render plain: HTMLEntities.new.encode(params['hub.challenge']), status: 200
else
head 404

View file

@ -38,6 +38,12 @@ class Account < ApplicationRecord
has_many :media_attachments, dependent: :destroy
scope :remote, -> { where.not(domain: nil) }
scope :local, -> { where(domain: nil) }
scope :without_followers, -> { where('(select count(f.id) from follows as f where f.target_account_id = accounts.id) = 0') }
scope :with_followers, -> { where('(select count(f.id) from follows as f where f.target_account_id = accounts.id) > 0') }
scope :expiring, -> (time) { where(subscription_expires_at: nil).or(where('subscription_expires_at < ?', time)).remote.with_followers }
def follow!(other_account)
self.active_relationships.where(target_account: other_account).first_or_create!(target_account: other_account)
end

View file

@ -3,22 +3,18 @@ class FollowRemoteAccountService < BaseService
# When creating, look up the user's webfinger and fetch all
# important information from their feed
# @param [String] uri User URI in the form of username@domain
# @param [Boolean] subscribe Whether to initiate a PubSubHubbub subscription
# @return [Account]
def call(uri, subscribe = true)
def call(uri)
username, domain = uri.split('@')
return Account.find_local(username) if domain == Rails.configuration.x.local_domain || domain.nil?
account = Account.find_remote(username, domain)
if account.nil?
return account unless account.nil?
Rails.logger.debug "Creating new remote account for #{uri}"
account = Account.new(username: username, domain: domain)
elsif account.subscribed?
Rails.logger.debug "Already subscribed to remote account #{uri}"
return account
end
data = Goldfinger.finger("acct:#{uri}")
@ -45,16 +41,6 @@ class FollowRemoteAccountService < BaseService
get_profile(feed, account)
account.save!
if subscribe
account.secret = SecureRandom.hex
account.verify_token = SecureRandom.hex
subscription = account.subscription(api_subscription_url(account.id))
subscription.subscribe
account.save!
end
return account
end
@ -90,8 +76,3 @@ class FollowRemoteAccountService < BaseService
end
end
class NoAuthorFeedError < StandardError
end
class NoHubError < StandardError
end

View file

@ -12,6 +12,7 @@ class FollowService < BaseService
if target_account.local?
NotificationMailer.follow(target_account, source_account).deliver_later
else
subscribe_service.(target_account)
NotificationWorker.perform_async(follow.stream_entry.id, target_account.id)
end
@ -40,4 +41,8 @@ class FollowService < BaseService
def follow_remote_account_service
@follow_remote_account_service ||= FollowRemoteAccountService.new
end
def subscribe_service
@subscribe_service ||= SubscribeService.new
end
end

View file

@ -106,7 +106,7 @@ class ProcessFeedService < BaseService
end
def delete_post!(status)
RemoveStatusService.new.(status)
remove_status_service.(status)
end
def find_original_status(_xml, id)
@ -126,7 +126,7 @@ class ProcessFeedService < BaseService
account = Account.find_by(username: username, domain: domain)
if account.nil?
account = follow_remote_account_service.("#{username}@#{domain}", false)
account = follow_remote_account_service.("#{username}@#{domain}")
end
status = Status.new(account: account, uri: target_id(xml), text: target_content(xml), url: target_url(xml), created_at: published(xml), updated_at: updated(xml))
@ -196,4 +196,8 @@ class ProcessFeedService < BaseService
def update_remote_profile_service
@update_remote_profile_service ||= UpdateRemoteProfileService.new
end
def remove_status_service
@remove_status_service ||= RemoveStatusService.new
end
end

View file

@ -14,7 +14,7 @@ class ProcessInteractionService < BaseService
account = Account.find_by(username: username, domain: domain)
if account.nil?
account = follow_remote_account_service.("#{username}@#{domain}", false)
account = follow_remote_account_service.("#{username}@#{domain}")
end
if salmon.verify(envelope, account.keypair)
@ -71,7 +71,7 @@ class ProcessInteractionService < BaseService
return if status.nil?
if account.id == status.account_id
RemoveStatusService.new.(status)
remove_status_service.(status)
end
end
@ -108,4 +108,8 @@ class ProcessInteractionService < BaseService
def update_remote_profile_service
@update_remote_profile_service ||= UpdateRemoteProfileService.new
end
def remove_status_service
@remove_status_service ||= RemoveStatusService.new
end
end

View file

@ -0,0 +1,20 @@
class SubscribeService < BaseService
def call(account)
account.secret = SecureRandom.hex
account.verify_token = SecureRandom.hex
subscription = account.subscription(api_subscription_url(account.id))
response = subscription.subscribe
unless response.successful?
account.secret = ''
account.verify_token = ''
Rails.logger.debug "PuSH subscription request for #{account.acct} failed: #{response.message}"
end
account.save!
rescue HTTP::Error, OpenSSL::SSL::SSLError
Rails.logger.debug "PuSH subscription request for #{account.acct} could not be made due to HTTP or SSL error"
end
end

View file

@ -0,0 +1,5 @@
class AddSubscriptionExpiresAtToAccounts < ActiveRecord::Migration[5.0]
def change
add_column :accounts, :subscription_expires_at, :datetime, null: true, default: nil
end
end

View file

@ -10,7 +10,7 @@
#
# It's strongly recommended that you check this file into your version control system.
ActiveRecord::Schema.define(version: 20160905150353) do
ActiveRecord::Schema.define(version: 20160919221059) do
# These are extensions that must be enabled in order to support this database
enable_extension "plpgsql"
@ -40,6 +40,7 @@ ActiveRecord::Schema.define(version: 20160905150353) do
t.integer "header_file_size"
t.datetime "header_updated_at"
t.string "avatar_remote_url"
t.datetime "subscription_expires_at"
t.index ["username", "domain"], name: "index_accounts_on_username_and_domain", unique: true, using: :btree
end

View file

@ -11,9 +11,16 @@ namespace :mastodon do
namespace :push do
desc 'Unsubscribes from PuSH updates of feeds nobody follows locally'
task clear: :environment do
Account.where('(select count(f.id) from follows as f where f.target_account_id = accounts.id) = 0').where.not(domain: nil).find_each do |a|
Account.remote.without_followers.find_each do |a|
a.subscription('').unsubscribe
a.update!(verify_token: '', secret: '')
a.update!(verify_token: '', secret: '', subscription_expires_at: nil)
end
end
desc 'Re-subscribes to soon expiring PuSH subscriptions'
task refresh: :environment do
Account.expiring(1.day.from_now).find_each do |a|
SubscribeService.new.(a)
end
end
end