595 lines
19 KiB
Ruby
595 lines
19 KiB
Ruby
# frozen_string_literal: true
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# == Schema Information
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#
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# Table name: accounts
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#
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# id :bigint(8) not null, primary key
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# username :string default(""), not null
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# domain :string
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# private_key :text
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# public_key :text default(""), not null
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# created_at :datetime not null
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# updated_at :datetime not null
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# note :text default(""), not null
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# display_name :string default(""), not null
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# uri :string default(""), not null
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# url :string
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# avatar_file_name :string
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# avatar_content_type :string
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# avatar_file_size :integer
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# avatar_updated_at :datetime
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# header_file_name :string
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# header_content_type :string
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# header_file_size :integer
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# header_updated_at :datetime
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# avatar_remote_url :string
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# locked :boolean default(FALSE), not null
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# header_remote_url :string default(""), not null
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# last_webfingered_at :datetime
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# inbox_url :string default(""), not null
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# outbox_url :string default(""), not null
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# shared_inbox_url :string default(""), not null
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# followers_url :string default(""), not null
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# protocol :integer default("ostatus"), not null
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# memorial :boolean default(FALSE), not null
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# moved_to_account_id :bigint(8)
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# featured_collection_url :string
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# fields :jsonb
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# actor_type :string
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# discoverable :boolean
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# also_known_as :string is an Array
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# silenced_at :datetime
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# suspended_at :datetime
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# hide_collections :boolean
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# avatar_storage_schema_version :integer
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# header_storage_schema_version :integer
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# devices_url :string
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# suspension_origin :integer
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# sensitized_at :datetime
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# trendable :boolean
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# reviewed_at :datetime
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# requested_review_at :datetime
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#
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class Account < ApplicationRecord
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self.ignored_columns = %w(
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subscription_expires_at
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secret
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remote_url
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salmon_url
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hub_url
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trust_level
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)
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USERNAME_RE = /[a-z0-9_]+([a-z0-9_\.-]+[a-z0-9_]+)?/i
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MENTION_RE = /(?<=^|[^\/[:word:]])@((#{USERNAME_RE})(?:@[[:word:]\.\-]+[[:word:]]+)?)/i
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URL_PREFIX_RE = /\Ahttp(s?):\/\/[^\/]+/
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USERNAME_ONLY_RE = /\A#{USERNAME_RE}\z/i
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include Attachmentable
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include AccountAssociations
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include AccountAvatar
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include AccountFinderConcern
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include AccountHeader
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include AccountInteractions
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include Paginable
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include AccountCounters
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include DomainNormalizable
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include DomainMaterializable
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include AccountMerging
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MAX_DISPLAY_NAME_LENGTH = (ENV['MAX_DISPLAY_NAME_CHARS'] || 30).to_i
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MAX_NOTE_LENGTH = (ENV['MAX_BIO_CHARS'] || 500).to_i
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DEFAULT_FIELDS_SIZE = (ENV['MAX_PROFILE_FIELDS'] || 4).to_i
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enum protocol: { ostatus: 0, activitypub: 1 }
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enum suspension_origin: { local: 0, remote: 1 }, _prefix: true
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validates :username, presence: true
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validates_with UniqueUsernameValidator, if: -> { will_save_change_to_username? }
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# Remote user validations, also applies to internal actors
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validates :username, format: { with: USERNAME_ONLY_RE }, if: -> { (!local? || actor_type == 'Application') && will_save_change_to_username? }
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# Local user validations
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validates :username, format: { with: /\A[a-z0-9_]+\z/i }, length: { maximum: 30 }, if: -> { local? && will_save_change_to_username? && actor_type != 'Application' }
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validates_with UnreservedUsernameValidator, if: -> { local? && will_save_change_to_username? && actor_type != 'Application' }
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validates :display_name, length: { maximum: MAX_DISPLAY_NAME_LENGTH }, if: -> { local? && will_save_change_to_display_name? }
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validates :note, note_length: { maximum: MAX_NOTE_LENGTH }, if: -> { local? && will_save_change_to_note? }
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validates :fields, length: { maximum: DEFAULT_FIELDS_SIZE }, if: -> { local? && will_save_change_to_fields? }
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scope :remote, -> { where.not(domain: nil) }
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scope :local, -> { where(domain: nil) }
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scope :partitioned, -> { order(Arel.sql('row_number() over (partition by domain)')) }
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scope :silenced, -> { where.not(silenced_at: nil) }
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scope :suspended, -> { where.not(suspended_at: nil) }
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scope :sensitized, -> { where.not(sensitized_at: nil) }
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scope :without_suspended, -> { where(suspended_at: nil) }
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scope :without_silenced, -> { where(silenced_at: nil) }
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scope :without_instance_actor, -> { where.not(id: -99) }
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scope :recent, -> { reorder(id: :desc) }
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scope :bots, -> { where(actor_type: %w(Application Service)) }
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scope :groups, -> { where(actor_type: 'Group') }
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scope :alphabetic, -> { order(domain: :asc, username: :asc) }
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scope :matches_username, ->(value) { where('lower((username)::text) LIKE lower(?)', "#{value}%") }
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scope :matches_display_name, ->(value) { where(arel_table[:display_name].matches("#{value}%")) }
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scope :matches_domain, ->(value) { where(arel_table[:domain].matches("%#{value}%")) }
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scope :without_unapproved, -> { left_outer_joins(:user).remote.or(left_outer_joins(:user).merge(User.approved.confirmed)) }
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scope :searchable, -> { without_unapproved.without_suspended.where(moved_to_account_id: nil) }
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scope :discoverable, -> { searchable.without_silenced.where(discoverable: true).left_outer_joins(:account_stat) }
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scope :followable_by, ->(account) { joins(arel_table.join(Follow.arel_table, Arel::Nodes::OuterJoin).on(arel_table[:id].eq(Follow.arel_table[:target_account_id]).and(Follow.arel_table[:account_id].eq(account.id))).join_sources).where(Follow.arel_table[:id].eq(nil)).joins(arel_table.join(FollowRequest.arel_table, Arel::Nodes::OuterJoin).on(arel_table[:id].eq(FollowRequest.arel_table[:target_account_id]).and(FollowRequest.arel_table[:account_id].eq(account.id))).join_sources).where(FollowRequest.arel_table[:id].eq(nil)) }
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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, accounts.id desc')) }
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scope :by_recent_sign_in, -> { order(Arel.sql('(case when users.current_sign_in_at is null then 1 else 0 end) asc, users.current_sign_in_at desc, accounts.id desc')) }
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scope :popular, -> { order('account_stats.followers_count desc') }
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scope :by_domain_and_subdomains, ->(domain) { where(domain: domain).or(where(arel_table[:domain].matches("%.#{domain}"))) }
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scope :not_excluded_by_account, ->(account) { where.not(id: account.excluded_from_timeline_account_ids) }
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scope :not_domain_blocked_by_account, ->(account) { where(arel_table[:domain].eq(nil).or(arel_table[:domain].not_in(account.excluded_from_timeline_domains))) }
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delegate :email,
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:unconfirmed_email,
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:current_sign_in_at,
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:created_at,
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:sign_up_ip,
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:confirmed?,
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:approved?,
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:pending?,
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:disabled?,
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:unconfirmed?,
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:unconfirmed_or_pending?,
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:role,
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:locale,
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:shows_application?,
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:prefers_noindex?,
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to: :user,
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prefix: true,
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allow_nil: true
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delegate :chosen_languages, to: :user, prefix: false, allow_nil: true
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update_index('accounts', :self)
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def local?
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domain.nil?
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end
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def moved?
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moved_to_account_id.present?
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end
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def bot?
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%w(Application Service).include? actor_type
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end
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def instance_actor?
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id == -99
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end
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alias bot bot?
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def bot=(val)
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self.actor_type = ActiveModel::Type::Boolean.new.cast(val) ? 'Service' : 'Person'
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end
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def group?
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actor_type == 'Group'
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end
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alias group group?
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def acct
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local? ? username : "#{username}@#{domain}"
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end
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def pretty_acct
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local? ? username : "#{username}@#{Addressable::IDNA.to_unicode(domain)}"
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end
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def local_username_and_domain
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"#{username}@#{Rails.configuration.x.local_domain}"
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end
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def local_followers_count
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Follow.where(target_account_id: id).count
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end
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def to_webfinger_s
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"acct:#{local_username_and_domain}"
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end
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def possibly_stale?
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last_webfingered_at.nil? || last_webfingered_at <= 1.day.ago
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end
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def refresh!
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ResolveAccountService.new.call(acct) unless local?
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end
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def silenced?
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silenced_at.present?
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end
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def silence!(date = Time.now.utc)
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update!(silenced_at: date)
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end
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def unsilence!
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update!(silenced_at: nil)
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end
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def suspended?
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suspended_at.present? && !instance_actor?
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end
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def suspended_permanently?
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suspended? && deletion_request.nil?
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end
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def suspended_temporarily?
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suspended? && deletion_request.present?
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end
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def suspend!(date: Time.now.utc, origin: :local, block_email: true)
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transaction do
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create_deletion_request!
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update!(suspended_at: date, suspension_origin: origin)
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create_canonical_email_block! if block_email
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end
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end
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def unsuspend!
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transaction do
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deletion_request&.destroy!
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update!(suspended_at: nil, suspension_origin: nil)
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destroy_canonical_email_block!
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end
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end
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def sensitized?
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sensitized_at.present?
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end
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def sensitize!(date = Time.now.utc)
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update!(sensitized_at: date)
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end
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def unsensitize!
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update!(sensitized_at: nil)
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end
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def memorialize!
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update!(memorial: true)
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end
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def sign?
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true
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end
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def previous_strikes_count
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strikes.where(overruled_at: nil).count
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end
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def keypair
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@keypair ||= OpenSSL::PKey::RSA.new(private_key || public_key)
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end
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def tags_as_strings=(tag_names)
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hashtags_map = Tag.find_or_create_by_names(tag_names).index_by(&:name)
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# Remove hashtags that are to be deleted
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tags.each do |tag|
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if hashtags_map.key?(tag.name)
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hashtags_map.delete(tag.name)
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else
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tags.delete(tag)
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end
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end
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# Add hashtags that were so far missing
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hashtags_map.each_value do |tag|
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tags << tag
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end
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end
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def also_known_as
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self[:also_known_as] || []
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end
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def fields
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(self[:fields] || []).map do |f|
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Account::Field.new(self, f)
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rescue
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nil
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end.compact
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end
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def fields_attributes=(attributes)
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fields = []
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old_fields = self[:fields] || []
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old_fields = [] if old_fields.is_a?(Hash)
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if attributes.is_a?(Hash)
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attributes.each_value do |attr|
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next if attr[:name].blank?
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previous = old_fields.find { |item| item['value'] == attr[:value] }
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attr[:verified_at] = previous['verified_at'] if previous && previous['verified_at'].present?
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fields << attr
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end
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end
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self[:fields] = fields
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end
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def build_fields
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return if fields.size >= DEFAULT_FIELDS_SIZE
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tmp = self[:fields] || []
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tmp = [] if tmp.is_a?(Hash)
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(DEFAULT_FIELDS_SIZE - tmp.size).times do
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tmp << { name: '', value: '' }
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end
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self.fields = tmp
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end
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def save_with_optional_media!
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save!
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rescue ActiveRecord::RecordInvalid => e
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errors = e.record.errors.errors
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errors.each do |err|
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if err.attribute == :avatar
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self.avatar = nil
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elsif err.attribute == :header
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self.header = nil
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end
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end
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save!
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end
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def hides_followers?
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hide_collections?
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end
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def hides_following?
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hide_collections?
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end
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def object_type
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:person
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end
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def to_param
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username
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end
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def to_log_human_identifier
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acct
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end
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def excluded_from_timeline_account_ids
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Rails.cache.fetch("exclude_account_ids_for:#{id}") { block_relationships.pluck(:target_account_id) + blocked_by_relationships.pluck(:account_id) + mute_relationships.pluck(:target_account_id) }
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end
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def excluded_from_timeline_domains
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Rails.cache.fetch("exclude_domains_for:#{id}") { domain_blocks.pluck(:domain) }
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end
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def preferred_inbox_url
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shared_inbox_url.presence || inbox_url
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end
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def synchronization_uri_prefix
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return 'local' if local?
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@synchronization_uri_prefix ||= "#{uri[URL_PREFIX_RE]}/"
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end
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def requires_review?
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reviewed_at.nil?
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end
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def reviewed?
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reviewed_at.present?
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end
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def requested_review?
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requested_review_at.present?
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end
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def requires_review_notification?
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requires_review? && !requested_review?
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end
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class << self
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DISALLOWED_TSQUERY_CHARACTERS = /['?\\:‘’]/.freeze
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TEXTSEARCH = "(setweight(to_tsvector('simple', accounts.display_name), 'A') || setweight(to_tsvector('simple', accounts.username), 'B') || setweight(to_tsvector('simple', coalesce(accounts.domain, '')), 'C'))"
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REPUTATION_SCORE_FUNCTION = '(greatest(0, coalesce(s.followers_count, 0)) / (greatest(0, coalesce(s.following_count, 0)) + 1.0))'
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FOLLOWERS_SCORE_FUNCTION = 'log(greatest(0, coalesce(s.followers_count, 0)) + 2)'
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TIME_DISTANCE_FUNCTION = '(case when s.last_status_at is null then 0 else exp(-1.0 * ((greatest(0, abs(extract(DAY FROM age(s.last_status_at))) - 30.0)^2) / (2.0 * ((-1.0 * 30^2) / (2.0 * ln(0.3)))))) end)'
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BOOST = "((#{REPUTATION_SCORE_FUNCTION} + #{FOLLOWERS_SCORE_FUNCTION} + #{TIME_DISTANCE_FUNCTION}) / 3.0)"
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def readonly_attributes
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super - %w(statuses_count following_count followers_count)
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end
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def inboxes
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urls = reorder(nil).where(protocol: :activitypub).group(:preferred_inbox_url).pluck(Arel.sql("coalesce(nullif(accounts.shared_inbox_url, ''), accounts.inbox_url) AS preferred_inbox_url"))
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DeliveryFailureTracker.without_unavailable(urls)
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end
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def search_for(terms, limit: 10, offset: 0)
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tsquery = generate_query_for_search(terms)
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sql = <<-SQL.squish
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SELECT
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accounts.*,
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#{BOOST} * ts_rank_cd(#{TEXTSEARCH}, to_tsquery('simple', :tsquery), 32) AS rank
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FROM accounts
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LEFT JOIN users ON accounts.id = users.account_id
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LEFT JOIN account_stats AS s ON accounts.id = s.account_id
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WHERE to_tsquery('simple', :tsquery) @@ #{TEXTSEARCH}
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AND accounts.suspended_at IS NULL
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AND accounts.moved_to_account_id IS NULL
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AND (accounts.domain IS NOT NULL OR (users.approved = TRUE AND users.confirmed_at IS NOT NULL))
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ORDER BY rank DESC
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LIMIT :limit OFFSET :offset
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SQL
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records = find_by_sql([sql, limit: limit, offset: offset, tsquery: tsquery])
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ActiveRecord::Associations::Preloader.new.preload(records, :account_stat)
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records
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end
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def advanced_search_for(terms, account, limit: 10, following: false, offset: 0)
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tsquery = generate_query_for_search(terms)
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sql = advanced_search_for_sql_template(following)
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records = find_by_sql([sql, id: account.id, limit: limit, offset: offset, tsquery: tsquery])
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ActiveRecord::Associations::Preloader.new.preload(records, :account_stat)
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records
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end
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def from_text(text)
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return [] if text.blank?
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text.scan(MENTION_RE).map { |match| match.first.split('@', 2) }.uniq.filter_map do |(username, domain)|
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domain = if TagManager.instance.local_domain?(domain)
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nil
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else
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TagManager.instance.normalize_domain(domain)
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end
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EntityCache.instance.mention(username, domain)
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end
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end
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private
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def generate_query_for_search(unsanitized_terms)
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terms = unsanitized_terms.gsub(DISALLOWED_TSQUERY_CHARACTERS, ' ')
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# The final ":*" is for prefix search.
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# The trailing space does not seem to fit any purpose, but `to_tsquery`
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# behaves differently with and without a leading space if the terms start
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# with `./`, `../`, or `.. `. I don't understand why, so, in doubt, keep
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# the same query.
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"' #{terms} ':*"
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end
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def advanced_search_for_sql_template(following)
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if following
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<<-SQL.squish
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WITH first_degree AS (
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SELECT target_account_id
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FROM follows
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WHERE account_id = :id
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UNION ALL
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SELECT :id
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)
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SELECT
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accounts.*,
|
||
(count(f.id) + 1) * #{BOOST} * ts_rank_cd(#{TEXTSEARCH}, to_tsquery('simple', :tsquery), 32) AS rank
|
||
FROM accounts
|
||
LEFT OUTER JOIN follows AS f ON (accounts.id = f.account_id AND f.target_account_id = :id)
|
||
LEFT JOIN account_stats AS s ON accounts.id = s.account_id
|
||
WHERE accounts.id IN (SELECT * FROM first_degree)
|
||
AND to_tsquery('simple', :tsquery) @@ #{TEXTSEARCH}
|
||
AND accounts.suspended_at IS NULL
|
||
AND accounts.moved_to_account_id IS NULL
|
||
GROUP BY accounts.id, s.id
|
||
ORDER BY rank DESC
|
||
LIMIT :limit OFFSET :offset
|
||
SQL
|
||
else
|
||
<<-SQL.squish
|
||
SELECT
|
||
accounts.*,
|
||
#{BOOST} * ts_rank_cd(#{TEXTSEARCH}, to_tsquery('simple', :tsquery), 32) AS rank,
|
||
count(f.id) AS followed
|
||
FROM accounts
|
||
LEFT OUTER JOIN follows AS f ON (accounts.id = f.account_id AND f.target_account_id = :id) OR (accounts.id = f.target_account_id AND f.account_id = :id)
|
||
LEFT JOIN users ON accounts.id = users.account_id
|
||
LEFT JOIN account_stats AS s ON accounts.id = s.account_id
|
||
WHERE to_tsquery('simple', :tsquery) @@ #{TEXTSEARCH}
|
||
AND accounts.suspended_at IS NULL
|
||
AND accounts.moved_to_account_id IS NULL
|
||
AND (accounts.domain IS NOT NULL OR (users.approved = TRUE AND users.confirmed_at IS NOT NULL))
|
||
GROUP BY accounts.id, s.id
|
||
ORDER BY followed DESC, rank DESC
|
||
LIMIT :limit OFFSET :offset
|
||
SQL
|
||
end
|
||
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
|
||
|
||
def ensure_keys!
|
||
return unless local? && private_key.blank? && public_key.blank?
|
||
|
||
generate_keys
|
||
save!
|
||
end
|
||
|
||
private
|
||
|
||
def prepare_contents
|
||
display_name&.strip!
|
||
note&.strip!
|
||
end
|
||
|
||
def prepare_username
|
||
username&.squish!
|
||
end
|
||
|
||
def generate_keys
|
||
return unless local? && private_key.blank? && public_key.blank?
|
||
|
||
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(&:name), fields.map(&:value)].join(' ')
|
||
end
|
||
|
||
def clean_feed_manager
|
||
FeedManager.instance.clean_feeds!(:home, [id])
|
||
end
|
||
|
||
def create_canonical_email_block!
|
||
return unless local? && user_email.present?
|
||
|
||
begin
|
||
CanonicalEmailBlock.create(reference_account: self, email: user_email)
|
||
rescue ActiveRecord::RecordNotUnique
|
||
# A canonical e-mail block may already exist for the same e-mail
|
||
end
|
||
end
|
||
|
||
def destroy_canonical_email_block!
|
||
return unless local?
|
||
|
||
CanonicalEmailBlock.where(reference_account: self).delete_all
|
||
end
|
||
end
|