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mastodon/app/models/account.rb
Eugen Rochko e117964325
Change icons of features on admin dashboard to remove bias (#10366) 
Red crosses implied that it was bad/unexpected that certain features
were not enabled. In reality, they are options, so showing a green
or grey power-off icon is more appropriate.

Add status of timeline preview as well

Fix sample accounts changing too frequently due to wrong query

Sample accounts are intended to be sorted by popularity
2019-03-26 01:24:19 +01:00

524 lines
16 KiB
Ruby
Raw Blame History

# frozen_string_literal: true
# == Schema Information
#
# Table name: accounts
#
# id :bigint(8) not null, primary key
# username :string default(""), not null
# domain :string
# secret :string default(""), not null
# private_key :text
# public_key :text default(""), not null
# remote_url :string default(""), not null
# salmon_url :string default(""), not null
# hub_url :string default(""), not null
# created_at :datetime not null
# updated_at :datetime not null
# note :text default(""), not null
# display_name :string default(""), not null
# uri :string default(""), not null
# url :string
# avatar_file_name :string
# avatar_content_type :string
# avatar_file_size :integer
# avatar_updated_at :datetime
# header_file_name :string
# header_content_type :string
# header_file_size :integer
# header_updated_at :datetime
# avatar_remote_url :string
# subscription_expires_at :datetime
# silenced :boolean default(FALSE), not null
# suspended :boolean default(FALSE), not null
# locked :boolean default(FALSE), not null
# header_remote_url :string default(""), not null
# last_webfingered_at :datetime
# inbox_url :string default(""), not null
# outbox_url :string default(""), not null
# shared_inbox_url :string default(""), not null
# followers_url :string default(""), not null
# protocol :integer default("ostatus"), not null
# memorial :boolean default(FALSE), not null
# moved_to_account_id :bigint(8)
# featured_collection_url :string
# fields :jsonb
# actor_type :string
# discoverable :boolean
# also_known_as :string is an Array
#
class Account < ApplicationRecord
USERNAME_RE = /[a-z0-9_]+([a-z0-9_\.-]+[a-z0-9_]+)?/i
MENTION_RE = /(?<=^|[^\/[:word:]])@((#{USERNAME_RE})(?:@[a-z0-9\.\-]+[a-z0-9]+)?)/i
MIN_FOLLOWERS_DISCOVERY = 10
include AccountAssociations
include AccountAvatar
include AccountFinderConcern
include AccountHeader
include AccountInteractions
include Attachmentable
include Paginable
include AccountCounters
include DomainNormalizable
enum protocol: [:ostatus, :activitypub]
validates :username, presence: true
# Remote user validations
validates :username, uniqueness: { scope: :domain, case_sensitive: true }, if: -> { !local? && will_save_change_to_username? }
validates :username, format: { with: /\A#{USERNAME_RE}\z/i }, if: -> { !local? && will_save_change_to_username? }
# Local user validations
validates :username, format: { with: /\A[a-z0-9_]+\z/i }, length: { maximum: 30 }, if: -> { local? && will_save_change_to_username? }
validates_with UniqueUsernameValidator, if: -> { local? && will_save_change_to_username? }
validates_with UnreservedUsernameValidator, if: -> { local? && will_save_change_to_username? }
validates :display_name, length: { maximum: 30 }, if: -> { local? && will_save_change_to_display_name? }
validates :note, note_length: { maximum: 160 }, if: -> { local? && will_save_change_to_note? }
validates :fields, length: { maximum: 4 }, if: -> { local? && will_save_change_to_fields? }
scope :remote, -> { where.not(domain: nil) }
scope :local, -> { where(domain: nil) }
scope :expiring, ->(time) { remote.where.not(subscription_expires_at: nil).where('subscription_expires_at < ?', time) }
scope :partitioned, -> { order(Arel.sql('row_number() over (partition by domain)')) }
scope :silenced, -> { where(silenced: true) }
scope :suspended, -> { where(suspended: true) }
scope :without_suspended, -> { where(suspended: false) }
scope :without_silenced, -> { where(silenced: false) }
scope :recent, -> { reorder(id: :desc) }
scope :bots, -> { where(actor_type: %w(Application Service)) }
scope :alphabetic, -> { order(domain: :asc, username: :asc) }
scope :by_domain_accounts, -> { group(:domain).select(:domain, 'COUNT(*) AS accounts_count').order('accounts_count desc') }
scope :matches_username, ->(value) { where(arel_table[:username].matches("#{value}%")) }
scope :matches_display_name, ->(value) { where(arel_table[:display_name].matches("#{value}%")) }
scope :matches_domain, ->(value) { where(arel_table[:domain].matches("%#{value}%")) }
scope :searchable, -> { without_suspended.where(moved_to_account_id: nil) }
scope :discoverable, -> { searchable.without_silenced.where(discoverable: true).joins(:account_stat).where(AccountStat.arel_table[:followers_count].gteq(MIN_FOLLOWERS_DISCOVERY)) }
scope :tagged_with, ->(tag) { joins(:accounts_tags).where(accounts_tags: { tag_id: tag }) }
scope :by_recent_status, -> { order(Arel.sql('(case when account_stats.last_status_at is null then 1 else 0 end) asc, account_stats.last_status_at desc')) }
scope :popular, -> { order('account_stats.followers_count desc') }
delegate :email,
:unconfirmed_email,
:current_sign_in_ip,
:current_sign_in_at,
:confirmed?,
:approved?,
:pending?,
:admin?,
:moderator?,
:staff?,
:locale,
:hides_network?,
:shows_application?,
to: :user,
prefix: true,
allow_nil: true
delegate :chosen_languages, to: :user, prefix: false, allow_nil: true
def local?
domain.nil?
end
def moved?
moved_to_account_id.present?
end
def bot?
%w(Application Service).include? actor_type
end
alias bot bot?
def bot=(val)
self.actor_type = ActiveModel::Type::Boolean.new.cast(val) ? 'Service' : 'Person'
end
def acct
local? ? username : "#{username}@#{domain}"
end
def local_username_and_domain
"#{username}@#{Rails.configuration.x.local_domain}"
end
def local_followers_count
Follow.where(target_account_id: id).count
end
def to_webfinger_s
"acct:#{local_username_and_domain}"
end
def subscribed?
subscription_expires_at.present?
end
def possibly_stale?
last_webfingered_at.nil? || last_webfingered_at <= 1.day.ago
end
def refresh!
return if local?
ResolveAccountService.new.call(acct)
end
def silence!
update!(silenced: true)
end
def unsilence!
update!(silenced: false)
end
def suspend!
transaction do
user&.disable! if local?
update!(suspended: true)
end
end
def unsuspend!
transaction do
user&.enable! if local?
update!(suspended: false)
end
end
def memorialize!
transaction do
user&.disable! if local?
update!(memorial: true)
end
end
def keypair
@keypair ||= OpenSSL::PKey::RSA.new(private_key || public_key)
end
def tags_as_strings=(tag_names)
tag_names.map! { |name| name.mb_chars.downcase.to_s }
tag_names.uniq!
# Existing hashtags
hashtags_map = Tag.where(name: tag_names).each_with_object({}) { |tag, h| h[tag.name] = tag }
# Initialize not yet existing hashtags
tag_names.each do |name|
next if hashtags_map.key?(name)
hashtags_map[name] = Tag.new(name: name)
end
# Remove hashtags that are to be deleted
tags.each do |tag|
if hashtags_map.key?(tag.name)
hashtags_map.delete(tag.name)
else
transaction do
tags.delete(tag)
tag.decrement_count!(:accounts_count)
end
end
end
# Add hashtags that were so far missing
hashtags_map.each_value do |tag|
transaction do
tags << tag
tag.increment_count!(:accounts_count)
end
end
end
def also_known_as
self[:also_known_as] || []
end
def fields
(self[:fields] || []).map { |f| Field.new(self, f) }
end
def fields_attributes=(attributes)
fields = []
old_fields = self[:fields] || []
old_fields = [] if old_fields.is_a?(Hash)
if attributes.is_a?(Hash)
attributes.each_value do |attr|
next if attr[:name].blank?
previous = old_fields.find { |item| item['value'] == attr[:value] }
if previous && previous['verified_at'].present?
attr[:verified_at] = previous['verified_at']
end
fields << attr
end
end
self[:fields] = fields
end
DEFAULT_FIELDS_SIZE = 4
def build_fields
return if fields.size >= DEFAULT_FIELDS_SIZE
tmp = self[:fields] || []
tmp = [] if tmp.is_a?(Hash)
(DEFAULT_FIELDS_SIZE - tmp.size).times do
tmp << { name: '', value: '' }
end
self.fields = tmp
end
def magic_key
modulus, exponent = [keypair.public_key.n, keypair.public_key.e].map do |component|
result = []
until component.zero?
result << [component % 256].pack('C')
component >>= 8
end
result.reverse.join
end
(['RSA'] + [modulus, exponent].map { |n| Base64.urlsafe_encode64(n) }).join('.')
end
def subscription(webhook_url)
@subscription ||= OStatus2::Subscription.new(remote_url, secret: secret, webhook: webhook_url, hub: hub_url)
end
def save_with_optional_media!
save!
rescue ActiveRecord::RecordInvalid
self.avatar = nil
self.header = nil
self[:avatar_remote_url] = ''
self[:header_remote_url] = ''
save!
end
def object_type
:person
end
def to_param
username
end
def excluded_from_timeline_account_ids
Rails.cache.fetch("exclude_account_ids_for:#{id}") { blocking.pluck(:target_account_id) + blocked_by.pluck(:account_id) + muting.pluck(:target_account_id) }
end
def excluded_from_timeline_domains
Rails.cache.fetch("exclude_domains_for:#{id}") { domain_blocks.pluck(:domain) }
end
def preferred_inbox_url
shared_inbox_url.presence || inbox_url
end
class Field < ActiveModelSerializers::Model
attributes :name, :value, :verified_at, :account, :errors
def initialize(account, attributes)
@account = account
@attributes = attributes
@name = attributes['name'].strip[0, string_limit]
@value = attributes['value'].strip[0, string_limit]
@verified_at = attributes['verified_at']&.to_datetime
@errors = {}
end
def verified?
verified_at.present?
end
def value_for_verification
@value_for_verification ||= begin
if account.local?
value
else
ActionController::Base.helpers.strip_tags(value)
end
end
end
def verifiable?
value_for_verification.present? && value_for_verification.start_with?('http://', 'https://')
end
def mark_verified!
@verified_at = Time.now.utc
@attributes['verified_at'] = @verified_at
end
def to_h
{ name: @name, value: @value, verified_at: @verified_at }
end
private
def string_limit
if account.local?
255
else
2047
end
end
end
class << self
def readonly_attributes
super - %w(statuses_count following_count followers_count)
end
def domains
reorder(nil).pluck(Arel.sql('distinct accounts.domain'))
end
def inboxes
urls = reorder(nil).where(protocol: :activitypub).pluck(Arel.sql("distinct coalesce(nullif(accounts.shared_inbox_url, ''), accounts.inbox_url)"))
DeliveryFailureTracker.filter(urls)
end
def search_for(terms, limit = 10, offset = 0)
textsearch, query = generate_query_for_search(terms)
sql = <<-SQL.squish
SELECT
accounts.*,
ts_rank_cd(#{textsearch}, #{query}, 32) AS rank
FROM accounts
WHERE #{query} @@ #{textsearch}
AND accounts.suspended = false
AND accounts.moved_to_account_id IS NULL
ORDER BY rank DESC
LIMIT ? OFFSET ?
SQL
records = find_by_sql([sql, limit, offset])
ActiveRecord::Associations::Preloader.new.preload(records, :account_stat)
records
end
def advanced_search_for(terms, account, limit = 10, following = false, offset = 0)
textsearch, query = generate_query_for_search(terms)
if following
sql = <<-SQL.squish
WITH first_degree AS (
SELECT target_account_id
FROM follows
WHERE account_id = ?
)
SELECT
accounts.*,
(count(f.id) + 1) * ts_rank_cd(#{textsearch}, #{query}, 32) AS rank
FROM accounts
LEFT OUTER JOIN follows AS f ON (accounts.id = f.account_id AND f.target_account_id = ?) OR (accounts.id = f.target_account_id AND f.account_id = ?)
WHERE accounts.id IN (SELECT * FROM first_degree)
AND #{query} @@ #{textsearch}
AND accounts.suspended = false
AND accounts.moved_to_account_id IS NULL
GROUP BY accounts.id
ORDER BY rank DESC
LIMIT ? OFFSET ?
SQL
records = find_by_sql([sql, account.id, account.id, account.id, limit, offset])
else
sql = <<-SQL.squish
SELECT
accounts.*,
(count(f.id) + 1) * ts_rank_cd(#{textsearch}, #{query}, 32) AS rank
FROM accounts
LEFT OUTER JOIN follows AS f ON (accounts.id = f.account_id AND f.target_account_id = ?) OR (accounts.id = f.target_account_id AND f.account_id = ?)
WHERE #{query} @@ #{textsearch}
AND accounts.suspended = false
AND accounts.moved_to_account_id IS NULL
GROUP BY accounts.id
ORDER BY rank DESC
LIMIT ? OFFSET ?
SQL
records = find_by_sql([sql, account.id, account.id, limit, offset])
end
ActiveRecord::Associations::Preloader.new.preload(records, :account_stat)
records
end
private
def generate_query_for_search(terms)
terms = Arel.sql(connection.quote(terms.gsub(/['?\\:]/, ' ')))
textsearch = "(setweight(to_tsvector('simple', accounts.display_name), 'A') || setweight(to_tsvector('simple', accounts.username), 'B') || setweight(to_tsvector('simple', coalesce(accounts.domain, '')), 'C'))"
query = "to_tsquery('simple', ''' ' || #{terms} || ' ''' || ':*')"
[textsearch, query]
end
end
def emojis
@emojis ||= CustomEmoji.from_text(emojifiable_text, domain)
end
before_create :generate_keys
before_validation :prepare_contents, if: :local?
before_validation :prepare_username, on: :create
before_destroy :clean_feed_manager
private
def prepare_contents
display_name&.strip!
note&.strip!
end
def prepare_username
username&.squish!
end
def generate_keys
return unless local? && !Rails.env.test?
keypair = OpenSSL::PKey::RSA.new(2048)
self.private_key = keypair.to_pem
self.public_key = keypair.public_key.to_pem
end
def normalize_domain
return if local?
super
end
def emojifiable_text
[note, display_name, fields.map(&:value)].join(' ')
end
def clean_feed_manager
reblog_key = FeedManager.instance.key(:home, id, 'reblogs')
reblogged_id_set = Redis.current.zrange(reblog_key, 0, -1)
Redis.current.pipelined do
Redis.current.del(FeedManager.instance.key(:home, id))
Redis.current.del(reblog_key)
reblogged_id_set.each do |reblogged_id|
reblog_set_key = FeedManager.instance.key(:home, id, "reblogs:#{reblogged_id}")
Redis.current.del(reblog_set_key)
end
end
end
end
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