Files
danbooru/app/logical/user_deletion.rb
evazion b2cf765d6d users: refactor login and authentication logic.
* Make authentication methods into User instance methods instead of
  class methods.
* Fix API key authentication to use a secure string comparison. Fixes a
  hypothetical (unlikely to be exploitable) timing attack.
* Move login logic from SessionCreator to SessionLoader.
2020-03-25 18:48:43 -05:00

74 lines
1.5 KiB
Ruby

class UserDeletion
class ValidationError < StandardError; end
attr_reader :user, :password
def initialize(user, password)
@user = user
@password = password
end
def delete!
validate
clear_user_settings
remove_favorites
clear_saved_searches
rename
reset_password
create_mod_action
end
private
def create_mod_action
ModAction.log("user ##{user.id} deleted", :user_delete)
end
def clear_saved_searches
SavedSearch.where(user_id: user.id).destroy_all
end
def clear_user_settings
user.email_address = nil
user.last_logged_in_at = nil
user.last_forum_read_at = nil
user.favorite_tags = ''
user.blacklisted_tags = ''
user.hide_deleted_posts = false
user.show_deleted_children = false
user.time_zone = "Eastern Time (US & Canada)"
user.save!
end
def reset_password
user.update!(password: SecureRandom.hex(16))
end
def remove_favorites
DeleteFavoritesJob.perform_later(user)
end
def rename
name = "user_#{user.id}"
n = 0
name += "~" while User.where(:name => name).exists? && (n < 10)
if n == 10
raise ValidationError.new("New name could not be found")
end
user.name = name
user.save!
end
def validate
if !user.authenticate_password(password)
raise ValidationError.new("Password is incorrect")
end
if user.level >= User::Levels::ADMIN
raise ValidationError.new("Admins cannot delete their account")
end
end
end