Files
danbooru/app/logical/user_deletion.rb
evazion 6f61abc6a7 users: don't log mod action for user deletions.
Don't log a mod action when a user deletes their own account. This isn't a moderator action, so it
doesn't belong here. Account deletions are still logged on the /user_events page (visible to mods only).

A mod action is still logged when the Owner-level user deletes someone else's account.
2022-11-10 14:30:23 -06:00

121 lines
3.3 KiB
Ruby

# frozen_string_literal: true
# Delete a user's account. Deleting an account really just deactivates the
# account, it doesn't fully delete the user from the database. It wipes their
# username, password, account settings, favorites, and saved searches, and logs
# the deletion.
class UserDeletion
include ActiveModel::Validations
attr_reader :user, :deleter, :password, :request
validate :validate_deletion
# Initialize a user deletion.
#
# @param user [User] the user to delete
# @param deleter [User] the user performing the deletion
# @param password [String] the user's password (for confirmation)
# @param request the HTTP request (for logging the deletion in the user event log)
def initialize(user:, deleter: user, password: nil, request: nil)
@user = user
@deleter = deleter
@password = password
@request = request
end
# Delete the account, if the deletion is allowed.
#
# @return [Boolean] True if the deletion was successful, false otherwise.
def delete!
return false if invalid?
user.with_lock do
rename
reset_password
async_delete_user
ModAction.log("deleted user ##{user.id}", :user_delete, subject: user, user: deleter) if user != deleter
UserEvent.create_from_request!(user, :user_deletion, request) if request.present?
SessionLoader.new(request).logout(user) if user == deleter
end
true
end
# Calls `delete_user`.
def async_delete_user
DeleteUserJob.perform_later(user)
end
def delete_user
delete_user_data
delete_user_settings
end
def delete_user_data
user.api_keys.destroy_all
user.forum_topic_visits.destroy_all
user.saved_searches.destroy_all
user.favorite_groups.is_private.destroy_all
user.post_votes.active.negative.find_each do |vote|
vote.soft_delete!(updater: user)
end
if user.enable_private_favorites
user.favorites.destroy_all
user.post_votes.active.positive.find_each do |vote|
vote.soft_delete!(updater: user)
end
end
end
def delete_user_settings
user.email_address = nil
user.last_logged_in_at = nil
user.last_forum_read_at = nil
User::USER_PREFERENCE_BOOLEAN_ATTRIBUTES.each do |attribute|
user.send("#{attribute}=", false)
end
%w[time_zone comment_threshold default_image_size favorite_tags blacklisted_tags custom_style per_page theme].each do |attribute|
user[attribute] = User.column_defaults[attribute]
end
user.save!
end
def reset_password
user.update!(is_deleted: true, password: SecureRandom.hex(16))
end
def rename
UserNameChangeRequest.create!(user: user, desired_name: "user_#{user.id}", original_name: user.name, is_deletion: true)
end
def validate_deletion
if user == deleter
if !user.authenticate_password(password)
errors.add(:base, "Password is incorrect")
end
if user.is_admin?
errors.add(:base, "Admins cannot delete their account")
end
if user.is_banned?
errors.add(:base, "You cannot delete your account if you are banned")
end
else
if !deleter.is_owner?
errors.add(:base, "You cannot delete an account belonging to another user")
end
if user.is_gold?
errors.add(:base, "You cannot delete a privileged account")
end
end
end
end