require 'gon' require 'fogbugz' class ApplicationController < ActionController::Base include Gitlab::CurrentSettings include Gitlab::GonHelper include GitlabRoutingHelper include PageLayoutHelper include SentryHelper include WorkhorseHelper before_action :authenticate_user_from_private_token! before_action :authenticate_user! before_action :validate_user_service_ticket! before_action :reject_blocked! before_action :check_password_expiration before_action :check_2fa_requirement before_action :ldap_security_check before_action :sentry_context before_action :default_headers before_action :add_gon_variables before_action :configure_permitted_parameters, if: :devise_controller? before_action :require_email, unless: :devise_controller? protect_from_forgery with: :exception helper_method :can?, :current_application_settings helper_method :import_sources_enabled?, :github_import_enabled?, :github_import_configured?, :gitlab_import_enabled?, :gitlab_import_configured?, :bitbucket_import_enabled?, :bitbucket_import_configured?, :google_code_import_enabled?, :fogbugz_import_enabled?, :git_import_enabled?, :gitlab_project_import_enabled? rescue_from Encoding::CompatibilityError do |exception| log_exception(exception) render "errors/encoding", layout: "errors", status: 500 end rescue_from ActiveRecord::RecordNotFound do |exception| log_exception(exception) render_404 end rescue_from Gitlab::Access::AccessDeniedError do |exception| render_403 end def redirect_back_or_default(default: root_path, options: {}) redirect_to request.referer.present? ? :back : default, options end protected # This filter handles both private tokens and personal access tokens def authenticate_user_from_private_token! token_string = params[:private_token].presence || request.headers['PRIVATE-TOKEN'].presence user = User.find_by_authentication_token(token_string) || User.find_by_personal_access_token(token_string) if user # Notice we are passing store false, so the user is not # actually stored in the session and a token is needed # for every request. If you want the token to work as a # sign in token, you can simply remove store: false. sign_in user, store: false end end def authenticate_user!(*args) if redirect_to_home_page_url? redirect_to current_application_settings.home_page_url and return end super(*args) end def log_exception(exception) application_trace = ActionDispatch::ExceptionWrapper.new(env, exception).application_trace application_trace.map!{ |t| " #{t}\n" } logger.error "\n#{exception.class.name} (#{exception.message}):\n#{application_trace.join}" end def reject_blocked! if current_user && current_user.blocked? sign_out current_user flash[:alert] = "Your account is blocked. Retry when an admin has unblocked it." redirect_to new_user_session_path end end def after_sign_in_path_for(resource) if resource.is_a?(User) && resource.respond_to?(:blocked?) && resource.blocked? sign_out resource flash[:alert] = "Your account is blocked. Retry when an admin has unblocked it." new_user_session_path else stored_location_for(:redirect) || stored_location_for(resource) || root_path end end def after_sign_out_path_for(resource) current_application_settings.after_sign_out_path.presence || new_user_session_path end def can?(object, action, subject) Ability.allowed?(object, action, subject) end def access_denied! render "errors/access_denied", layout: "errors", status: 404 end def git_not_found! render "errors/git_not_found.html", layout: "errors", status: 404 end def render_403 head :forbidden end def render_404 render file: Rails.root.join("public", "404"), layout: false, status: "404" end def no_cache_headers response.headers["Cache-Control"] = "no-cache, no-store, max-age=0, must-revalidate" response.headers["Pragma"] = "no-cache" response.headers["Expires"] = "Fri, 01 Jan 1990 00:00:00 GMT" end def default_headers headers['X-Frame-Options'] = 'DENY' headers['X-XSS-Protection'] = '1; mode=block' headers['X-UA-Compatible'] = 'IE=edge' headers['X-Content-Type-Options'] = 'nosniff' # Enabling HSTS for non-standard ports would send clients to the wrong port if Gitlab.config.gitlab.https and Gitlab.config.gitlab.port == 443 headers['Strict-Transport-Security'] = 'max-age=31536000' end end def validate_user_service_ticket! return unless signed_in? && session[:service_tickets] valid = session[:service_tickets].all? do |provider, ticket| Gitlab::OAuth::Session.valid?(provider, ticket) end unless valid session[:service_tickets] = nil sign_out current_user redirect_to new_user_session_path end end def check_password_expiration if current_user && current_user.password_expires_at && current_user.password_expires_at < Time.now && !current_user.ldap_user? redirect_to new_profile_password_path and return end end def check_2fa_requirement if two_factor_authentication_required? && current_user && !current_user.two_factor_enabled? && !skip_two_factor? redirect_to profile_two_factor_auth_path end end def ldap_security_check if current_user && current_user.requires_ldap_check? return unless current_user.try_obtain_ldap_lease unless Gitlab::LDAP::Access.allowed?(current_user) sign_out current_user flash[:alert] = "Access denied for your LDAP account." redirect_to new_user_session_path end end end def event_filter filters = cookies['event_filter'].split(',') if cookies['event_filter'].present? @event_filter ||= EventFilter.new(filters) end def gitlab_ldap_access(&block) Gitlab::LDAP::Access.open { |access| block.call(access) } end # JSON for infinite scroll via Pager object def pager_json(partial, count) html = render_to_string( partial, layout: false, formats: [:html] ) render json: { html: html, count: count } end def view_to_html_string(partial, locals = {}) render_to_string( partial, locals: locals, layout: false, formats: [:html] ) end def configure_permitted_parameters devise_parameter_sanitizer.permit(:sign_in, keys: [:username, :email, :password, :login, :remember_me, :otp_attempt]) end def hexdigest(string) Digest::SHA1.hexdigest string end def require_email if current_user && current_user.temp_oauth_email? redirect_to profile_path, notice: 'Please complete your profile with email address' and return end end def import_sources_enabled? !current_application_settings.import_sources.empty? end def github_import_enabled? current_application_settings.import_sources.include?('github') end def github_import_configured? Gitlab::OAuth::Provider.enabled?(:github) end def gitlab_import_enabled? request.host != 'gitlab.com' && current_application_settings.import_sources.include?('gitlab') end def gitlab_import_configured? Gitlab::OAuth::Provider.enabled?(:gitlab) end def bitbucket_import_enabled? current_application_settings.import_sources.include?('bitbucket') end def bitbucket_import_configured? Gitlab::OAuth::Provider.enabled?(:bitbucket) && Gitlab::BitbucketImport.public_key.present? end def google_code_import_enabled? current_application_settings.import_sources.include?('google_code') end def fogbugz_import_enabled? current_application_settings.import_sources.include?('fogbugz') end def git_import_enabled? current_application_settings.import_sources.include?('git') end def gitlab_project_import_enabled? current_application_settings.import_sources.include?('gitlab_project') end def two_factor_authentication_required? current_application_settings.require_two_factor_authentication end def two_factor_grace_period current_application_settings.two_factor_grace_period end def two_factor_grace_period_expired? date = current_user.otp_grace_period_started_at date && (date + two_factor_grace_period.hours) < Time.current end def skip_two_factor? session[:skip_tfa] && session[:skip_tfa] > Time.current end def redirect_to_home_page_url? # If user is not signed-in and tries to access root_path - redirect him to landing page # Don't redirect to the default URL to prevent endless redirections return false unless current_application_settings.home_page_url.present? home_page_url = current_application_settings.home_page_url.chomp('/') root_urls = [Gitlab.config.gitlab['url'].chomp('/'), root_url.chomp('/')] return false if root_urls.include?(home_page_url) current_user.nil? && root_path == request.path end # U2F (universal 2nd factor) devices need a unique identifier for the application # to perform authentication. # https://developers.yubico.com/U2F/App_ID.html def u2f_app_id request.base_url end end