discourse/app/services/anonymous_shadow_creator.rb

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# frozen_string_literal: true
class AnonymousShadowCreator
attr_reader :user
def self.get_master(user)
new(user).get_master
end
def self.get(user)
new(user).get
end
def initialize(user)
@user = user
end
def get_master
return unless user
return unless SiteSetting.allow_anonymous_posting
user.master_user
end
def get
return unless user
return unless SiteSetting.allow_anonymous_posting
return if user.trust_level < SiteSetting.anonymous_posting_min_trust_level
return if SiteSetting.must_approve_users? && !user.approved?
shadow = user.shadow_user
if shadow && (shadow.post_count + shadow.topic_count) > 0 && shadow.last_posted_at &&
shadow.last_posted_at < SiteSetting.anonymous_account_duration_minutes.minutes.ago
shadow = nil
end
shadow || create_shadow!
end
private
def create_shadow!
username = resolve_username
User.transaction do
shadow =
User.create!(
password: SecureRandom.hex,
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email: "#{SecureRandom.hex}@anon.#{Discourse.current_hostname}",
skip_email_validation: true,
name: username, # prevents error when names are required
username: username,
active: true,
trust_level: 1,
manual_locked_trust_level: 1,
approved: true,
approved_at: 1.day.ago,
created_at: 1.day.ago, # bypass new user restrictions
)
shadow.user_option.update_columns(
email_messages_level: UserOption.email_level_types[:never],
email_digests: false,
)
shadow.email_tokens.update_all(confirmed: true)
shadow.activate
AnonymousUser.where(master_user_id: user.id, active: true).update_all(active: false)
AnonymousUser.create!(user_id: shadow.id, master_user_id: user.id, active: true)
shadow.reload
user.reload
shadow
end
end
def resolve_username
username = I18n.t("anonymous").downcase
username = "anonymous" unless UserNameSuggester.sanitize_username(username).present?
UserNameSuggester.suggest(username)
end
end