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# frozen_string_literal: true
# == Schema Information
#
# Table name: accounts
#
# id :integer 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
# statuses_count :integer default(0), not null
# followers_count :integer default(0), not null
# following_count :integer default(0), not null
# last_webfingered_at :datetime
#
class Account < ApplicationRecord
include Targetable
MENTION_RE = /(?:^|[^\/\w])@([a-z0-9_]+(?:@[a-z0-9\.\-]+[a-z0-9]+)?)/i
IMAGE_MIME_TYPES = ['image/jpeg', 'image/png', 'image/gif'].freeze
# Local users
has_one :user, inverse_of: :account
validates :username, presence: true, format: { with: /\A[a-z0-9_]+\z/i }, uniqueness: { scope: :domain, case_sensitive: false }, length: { maximum: 30 }, if: 'local?'
validates :username, presence: true, uniqueness: { scope: :domain, case_sensitive: true }, unless: 'local?'
# Avatar upload
has_attached_file :avatar, styles: ->(f) { avatar_styles(f) }, convert_options: { all: '-quality 80 -strip' }
validates_attachment_content_type :avatar, content_type: IMAGE_MIME_TYPES
validates_attachment_size :avatar, less_than: 2.megabytes
# Header upload
has_attached_file :header, styles: ->(f) { header_styles(f) }, convert_options: { all: '-quality 80 -strip' }
validates_attachment_content_type :header, content_type: IMAGE_MIME_TYPES
validates_attachment_size :header, less_than: 2.megabytes
include Attachmentable
# Local user profile validations
validates :display_name, length: { maximum: 30 }, if: 'local?'
validates :note, length: { maximum: 160 }, if: 'local?'
# Timelines
has_many :stream_entries, inverse_of: :account, dependent: :destroy
has_many :statuses, inverse_of: :account, dependent: :destroy
has_many :favourites, inverse_of: :account, dependent: :destroy
has_many :mentions, inverse_of: :account, dependent: :destroy
has_many :notifications, inverse_of: :account, dependent: :destroy
# Follow relations
has_many :follow_requests, dependent: :destroy
has_many :active_relationships, class_name: 'Follow', foreign_key: 'account_id', dependent: :destroy
has_many :passive_relationships, class_name: 'Follow', foreign_key: 'target_account_id', dependent: :destroy
has_many :following, -> { order('follows.id desc') }, through: :active_relationships, source: :target_account
has_many :followers, -> { order('follows.id desc') }, through: :passive_relationships, source: :account
# Block relationships
has_many :block_relationships, class_name: 'Block', foreign_key: 'account_id', dependent: :destroy
has_many :blocking, -> { order('blocks.id desc') }, through: :block_relationships, source: :target_account
has_many :blocked_by_relationships, class_name: 'Block', foreign_key: :target_account_id, dependent: :destroy
has_many :blocked_by, -> { order('blocks.id desc') }, through: :blocked_by_relationships, source: :account
# Mute relationships
has_many :mute_relationships, class_name: 'Mute', foreign_key: 'account_id', dependent: :destroy
has_many :muting, -> { order('mutes.id desc') }, through: :mute_relationships, source: :target_account
# Media
has_many :media_attachments, dependent: :destroy
# PuSH subscriptions
has_many :subscriptions, dependent: :destroy
# Report relationships
has_many :reports
has_many :targeted_reports, class_name: 'Report', foreign_key: :target_account_id
scope :remote, -> { where.not(domain: nil) }
scope :local, -> { where(domain: nil) }
scope :without_followers, -> { where(followers_count: 0) }
scope :with_followers, -> { where('followers_count > 0') }
scope :expiring, ->(time) { where(subscription_expires_at: nil).or(where('subscription_expires_at < ?', time)).remote.with_followers }
scope :partitioned, -> { order('row_number() over (partition by domain)') }
scope :silenced, -> { where(silenced: true) }
scope :suspended, -> { where(suspended: true) }
scope :recent, -> { reorder(id: :desc) }
scope :alphabetic, -> { order(domain: :asc, username: :asc) }
scope :by_domain_accounts, -> { group(:domain).select(:domain, 'COUNT(*) AS accounts_count').order('accounts_count desc') }
delegate :email,
:current_sign_in_ip,
:current_sign_in_at,
:confirmed?,
to: :user,
prefix: true,
allow_nil: true
delegate :allowed_languages, to: :user, prefix: false, allow_nil: true
def follow!(other_account)
active_relationships.where(target_account: other_account).first_or_create!(target_account: other_account)
end
def block!(other_account)
block_relationships.where(target_account: other_account).first_or_create!(target_account: other_account)
end
def mute!(other_account)
mute_relationships.where(target_account: other_account).first_or_create!(target_account: other_account)
end
def unfollow!(other_account)
follow = active_relationships.find_by(target_account: other_account)
follow&.destroy
end
def unblock!(other_account)
block = block_relationships.find_by(target_account: other_account)
block&.destroy
end
def unmute!(other_account)
mute = mute_relationships.find_by(target_account: other_account)
mute&.destroy
end
def following?(other_account)
following.include?(other_account)
end
def blocking?(other_account)
blocking.include?(other_account)
end
def muting?(other_account)
muting.include?(other_account)
end
def requested?(other_account)
follow_requests.where(target_account: other_account).exists?
end
def local?
domain.nil?
end
def acct
local? ? username : "#{username}@#{domain}"
end
def local_username_and_domain
"#{username}@#{Rails.configuration.x.local_domain}"
end
def to_webfinger_s
"acct:#{local_username_and_domain}"
end
def subscribed?
subscription_expires_at.present?
end
def followers_domains
followers.reorder(nil).pluck('distinct accounts.domain')
end
def favourited?(status)
status.proper.favourites.where(account: self).count.positive?
end
def reblogged?(status)
status.proper.reblogs.where(account: self).count.positive?
end
def keypair
private_key.nil? ? OpenSSL::PKey::RSA.new(public_key) : OpenSSL::PKey::RSA.new(private_key)
end
def subscription(webhook_url)
OStatus2::Subscription.new(remote_url, secret: secret, lease_seconds: 86_400 * 30, webhook: webhook_url, hub: hub_url)
end
def save_with_optional_avatar!
save!
rescue ActiveRecord::RecordInvalid
self.avatar = nil
self.header = nil
self[:avatar_remote_url] = ''
self[:header_remote_url] = ''
save!
end
def avatar_original_url
avatar.url(:original)
end
def avatar_static_url
avatar_content_type == 'image/gif' ? avatar.url(:static) : avatar_original_url
end
def header_original_url
header.url(:original)
end
def header_static_url
header_content_type == 'image/gif' ? header.url(:static) : header_original_url
end
def avatar_remote_url=(url)
parsed_url = Addressable::URI.parse(url).normalize
return if !%w(http https).include?(parsed_url.scheme) || parsed_url.host.empty? || self[:avatar_remote_url] == url
self.avatar = URI.parse(parsed_url.to_s)
self[:avatar_remote_url] = url
rescue OpenURI::HTTPError => e
Rails.logger.debug "Error fetching remote avatar: #{e}"
end
def header_remote_url=(url)
parsed_url = Addressable::URI.parse(url).normalize
return if !%w(http https).include?(parsed_url.scheme) || parsed_url.host.empty? || self[:header_remote_url] == url
self.header = URI.parse(parsed_url.to_s)
self[:header_remote_url] = url
rescue OpenURI::HTTPError => e
Rails.logger.debug "Error fetching remote header: #{e}"
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
class << self
def find_local!(username)
find_remote!(username, nil)
end
def find_remote!(username, domain)
return if username.blank?
where('lower(accounts.username) = ?', username.downcase).where(domain.nil? ? { domain: nil } : 'lower(accounts.domain) = ?', domain&.downcase).take!
end
def find_local(username)
find_local!(username)
rescue ActiveRecord::RecordNotFound
nil
end
def find_remote(username, domain)
find_remote!(username, domain)
rescue ActiveRecord::RecordNotFound
nil
end
def triadic_closures(account, limit = 5)
sql = <<-SQL.squish
WITH first_degree AS (
SELECT target_account_id
FROM follows
WHERE account_id = :account_id
)
SELECT accounts.*
FROM follows
INNER JOIN accounts ON follows.target_account_id = accounts.id
WHERE account_id IN (SELECT * FROM first_degree) AND target_account_id NOT IN (SELECT * FROM first_degree) AND target_account_id <> :account_id
GROUP BY target_account_id, accounts.id
ORDER BY count(account_id) DESC
LIMIT :limit
SQL
find_by_sql(
[sql, { account_id: account.id, limit: limit }]
)
end
def search_for(terms, limit = 10)
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 + ' || \' \'\'\' || \':*\')'
sql = <<-SQL.squish
SELECT
accounts.*,
ts_rank_cd(#{textsearch}, #{query}, 32) AS rank
FROM accounts
WHERE #{query} @@ #{textsearch}
ORDER BY rank DESC
LIMIT ?
SQL
Account.find_by_sql([sql, limit])
end
def advanced_search_for(terms, account, limit = 10)
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 + ' || \' \'\'\' || \':*\')'
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}
GROUP BY accounts.id
ORDER BY rank DESC
LIMIT ?
SQL
Account.find_by_sql([sql, account.id, account.id, limit])
end
def following_map(target_account_ids, account_id)
follow_mapping(Follow.where(target_account_id: target_account_ids, account_id: account_id), :target_account_id)
end
def followed_by_map(target_account_ids, account_id)
follow_mapping(Follow.where(account_id: target_account_ids, target_account_id: account_id), :account_id)
end
def blocking_map(target_account_ids, account_id)
follow_mapping(Block.where(target_account_id: target_account_ids, account_id: account_id), :target_account_id)
end
def muting_map(target_account_ids, account_id)
follow_mapping(Mute.where(target_account_id: target_account_ids, account_id: account_id), :target_account_id)
end
def requested_map(target_account_ids, account_id)
follow_mapping(FollowRequest.where(target_account_id: target_account_ids, account_id: account_id), :target_account_id)
end
private
def follow_mapping(query, field)
query.pluck(field).each_with_object({}) { |id, mapping| mapping[id] = true }
end
def avatar_styles(file)
styles = { original: '120x120#' }
styles[:static] = { format: 'png' } if file.content_type == 'image/gif'
styles
end
def header_styles(file)
styles = { original: '700x335#' }
styles[:static] = { format: 'png' } if file.content_type == 'image/gif'
styles
end
end
before_create :generate_keys
before_validation :normalize_domain
private
def generate_keys
return unless local?
keypair = OpenSSL::PKey::RSA.new(Rails.env.test? ? 1024 : 2048)
self.private_key = keypair.to_pem
self.public_key = keypair.public_key.to_pem
end
def normalize_domain
return if local?
self.domain = TagManager.instance.normalize_domain(domain)
end
end