Files
danbooru/app/logical/session_loader.rb

126 lines
3.6 KiB
Ruby

class SessionLoader
class AuthenticationFailure < StandardError; end
attr_reader :session, :cookies, :request, :params
def initialize(request)
@request = request
@session = request.session
@cookies = request.cookie_jar
@params = request.parameters
end
def load
CurrentUser.user = User.anonymous
CurrentUser.ip_addr = request.remote_ip
if has_api_authentication?
load_session_for_api
elsif session[:user_id]
load_session_user
elsif cookie_password_hash_valid?
load_cookie_user
end
set_statement_timeout
update_last_logged_in_at
update_last_ip_addr
set_time_zone
set_safe_mode
initialize_session_cookies
CurrentUser.user.unban! if CurrentUser.user.ban_expired?
ensure
DanbooruLogger.add_session_attributes(request, session, CurrentUser.user)
end
def has_api_authentication?
request.authorization.present? || params[:login].present? || params[:api_key].present? || params[:password_hash].present?
end
private
def set_statement_timeout
timeout = CurrentUser.user.statement_timeout
ActiveRecord::Base.connection.execute("set statement_timeout = #{timeout}")
end
def load_session_for_api
if request.authorization
authenticate_basic_auth
elsif params[:login].present? && params[:api_key].present?
authenticate_api_key(params[:login], params[:api_key])
elsif params[:login].present? && params[:password_hash].present?
authenticate_legacy_api_key(params[:login], params[:password_hash])
else
raise AuthenticationFailure
end
end
def authenticate_basic_auth
credentials = ::Base64.decode64(request.authorization.split(' ', 2).last || '')
login, api_key = credentials.split(/:/, 2)
DanbooruLogger.add_attributes("request.params", login: login)
authenticate_api_key(login, api_key)
end
def authenticate_api_key(name, api_key)
CurrentUser.user = User.authenticate_api_key(name, api_key)
if CurrentUser.user.nil?
raise AuthenticationFailure.new
end
end
def authenticate_legacy_api_key(name, password_hash)
CurrentUser.user = User.authenticate_hash(name, password_hash)
if CurrentUser.user.nil?
raise AuthenticationFailure.new
end
end
def load_session_user
user = User.find_by_id(session[:user_id])
CurrentUser.user = user if user
end
def load_cookie_user
CurrentUser.user = User.find_by_name(cookies.signed[:user_name])
session[:user_id] = CurrentUser.user.id
end
def cookie_password_hash_valid?
cookies[:password_hash] && cookies.signed[:user_name] && User.authenticate_cookie_hash(cookies.signed[:user_name], cookies[:password_hash])
end
def update_last_logged_in_at
return if CurrentUser.is_anonymous?
return if CurrentUser.last_logged_in_at && CurrentUser.last_logged_in_at > 1.week.ago
CurrentUser.user.update_attribute(:last_logged_in_at, Time.now)
end
def update_last_ip_addr
return if CurrentUser.is_anonymous?
return if CurrentUser.user.last_ip_addr == @request.remote_ip
CurrentUser.user.update_attribute(:last_ip_addr, @request.remote_ip)
end
def set_time_zone
Time.zone = CurrentUser.user.time_zone
end
def set_safe_mode
safe_mode = request.host.match?(/safebooru/i) || params[:safe_mode].to_s.truthy? || CurrentUser.user.enable_safe_mode?
CurrentUser.safe_mode = safe_mode
end
def initialize_session_cookies
session.options[:expire_after] = 20.years
session[:started_at] ||= Time.now.utc.to_s
# clear out legacy login cookies if present
cookies.delete(:user_name)
cookies.delete(:password_hash)
end
end