debian-mirror-gitlab/app/controllers/application_controller.rb
2021-01-29 00:20:46 +05:30

576 lines
16 KiB
Ruby

# frozen_string_literal: true
require 'gon'
require 'fogbugz'
class ApplicationController < ActionController::Base
include Gitlab::GonHelper
include Gitlab::NoCacheHeaders
include GitlabRoutingHelper
include PageLayoutHelper
include SafeParamsHelper
include WorkhorseHelper
include EnforcesTwoFactorAuthentication
include WithPerformanceBar
include Gitlab::SearchContext::ControllerConcern
include SessionlessAuthentication
include SessionsHelper
include ConfirmEmailWarning
include Gitlab::Tracking::ControllerConcern
include Gitlab::Experimentation::ControllerConcern
include InitializesCurrentUserMode
include Impersonation
include Gitlab::Logging::CloudflareHelper
include Gitlab::Utils::StrongMemoize
include ::Gitlab::WithFeatureCategory
before_action :authenticate_user!, except: [:route_not_found]
before_action :enforce_terms!, if: :should_enforce_terms?
before_action :validate_user_service_ticket!
before_action :check_password_expiration, if: :html_request?
before_action :ldap_security_check
around_action :sentry_context
before_action :default_headers
before_action :default_cache_headers
before_action :add_gon_variables, if: :html_request?
before_action :configure_permitted_parameters, if: :devise_controller?
before_action :require_email, unless: :devise_controller?
before_action :active_user_check, unless: :devise_controller?
before_action :set_usage_stats_consent_flag
before_action :check_impersonation_availability
before_action :required_signup_info
# Make sure the `auth_user` is memoized so it can be logged, we do this after
# all other before filters that could have set the user.
before_action :auth_user
prepend_around_action :set_current_context
around_action :sessionless_bypass_admin_mode!, if: :sessionless_user?
around_action :set_locale
around_action :set_session_storage
around_action :set_current_admin
after_action :set_page_title_header, if: :json_request?
after_action :limit_session_time, if: -> { !current_user }
protect_from_forgery with: :exception, prepend: true
helper_method :can?
helper_method :import_sources_enabled?, :github_import_enabled?,
:gitea_import_enabled?, :github_import_configured?,
:gitlab_import_enabled?, :gitlab_import_configured?,
:bitbucket_import_enabled?, :bitbucket_import_configured?,
:bitbucket_server_import_enabled?,
:google_code_import_enabled?, :fogbugz_import_enabled?,
:git_import_enabled?, :gitlab_project_import_enabled?,
:manifest_import_enabled?, :phabricator_import_enabled?
# Adds `no-store` to the DEFAULT_CACHE_CONTROL, to prevent security
# concerns due to caching private data.
DEFAULT_GITLAB_CACHE_CONTROL = "#{ActionDispatch::Http::Cache::Response::DEFAULT_CACHE_CONTROL}, no-store"
rescue_from Encoding::CompatibilityError do |exception|
log_exception(exception)
render "errors/encoding", layout: "errors", status: :internal_server_error
end
rescue_from ActiveRecord::RecordNotFound do |exception|
log_exception(exception)
render_404
end
rescue_from(ActionController::UnknownFormat) do
render_404
end
rescue_from Gitlab::Access::AccessDeniedError do |exception|
render_403
end
rescue_from Gitlab::Auth::IpBlacklisted do
Gitlab::AuthLogger.error(
message: 'Rack_Attack',
env: :blocklist,
remote_ip: request.ip,
request_method: request.request_method,
path: request.fullpath
)
head :forbidden
end
rescue_from Gitlab::Auth::TooManyIps do |e|
head :forbidden, retry_after: Gitlab::Auth::UniqueIpsLimiter.config.unique_ips_limit_time_window
end
rescue_from GRPC::Unavailable, Gitlab::Git::CommandError do |exception|
log_exception(exception)
headers['Retry-After'] = exception.retry_after if exception.respond_to?(:retry_after)
render_503
end
def redirect_back_or_default(default: root_path, options: {})
redirect_back(fallback_location: default, **options)
end
def not_found
render_404
end
def route_not_found
if current_user || browser.bot.search_engine?
not_found
else
store_location_for(:user, request.fullpath) unless request.xhr?
redirect_to new_user_session_path, alert: I18n.t('devise.failure.unauthenticated')
end
end
def render(*args)
super.tap do
# Set a header for custom error pages to prevent them from being intercepted by gitlab-workhorse
if (400..599).cover?(response.status) && workhorse_excluded_content_types.include?(response.media_type)
response.headers['X-GitLab-Custom-Error'] = '1'
end
end
end
protected
def workhorse_excluded_content_types
@workhorse_excluded_content_types ||= %w(text/html application/json)
end
def append_info_to_payload(payload)
super
payload[:ua] = request.env["HTTP_USER_AGENT"]
payload[:remote_ip] = request.remote_ip
payload[Labkit::Correlation::CorrelationId::LOG_KEY] = Labkit::Correlation::CorrelationId.current_id
payload[:metadata] = @current_context
logged_user = auth_user
if logged_user.present?
payload[:user_id] = logged_user.try(:id)
payload[:username] = logged_user.try(:username)
end
payload[:queue_duration_s] = request.env[::Gitlab::Middleware::RailsQueueDuration::GITLAB_RAILS_QUEUE_DURATION_KEY]
store_cloudflare_headers!(payload, request)
end
##
# Controllers such as GitHttpController may use alternative methods
# (e.g. tokens) to authenticate the user, whereas Devise sets current_user.
#
def auth_user
strong_memoize(:auth_user) do
if user_signed_in?
current_user
else
try(:authenticated_user)
end
end
end
def log_exception(exception)
Gitlab::ErrorTracking.track_exception(exception)
backtrace_cleaner = request.env["action_dispatch.backtrace_cleaner"]
application_trace = ActionDispatch::ExceptionWrapper.new(backtrace_cleaner, exception).application_trace
application_trace.map! { |t| " #{t}\n" }
logger.error "\n#{exception.class.name} (#{exception.message}):\n#{application_trace.join}"
end
def after_sign_in_path_for(resource)
stored_location_for(:redirect) || stored_location_for(resource) || root_path
end
def after_sign_out_path_for(resource)
Gitlab::CurrentSettings.after_sign_out_path.presence || new_user_session_path
end
def can?(object, action, subject = :global)
Ability.allowed?(object, action, subject)
end
def access_denied!(message = nil, status = nil)
# If we display a custom access denied message to the user, we don't want to
# hide existence of the resource, rather tell them they cannot access it using
# the provided message
status ||= message.present? ? :forbidden : :not_found
template =
if status == :not_found
"errors/not_found"
else
"errors/access_denied"
end
respond_to do |format|
format.any { head status }
format.html do
render template,
layout: "errors",
status: status,
locals: { message: message }
end
end
end
def git_not_found!
render "errors/git_not_found.html", layout: "errors", status: :not_found
end
def render_403
respond_to do |format|
format.any { head :forbidden }
format.html { render "errors/access_denied", layout: "errors", status: :forbidden }
end
end
def render_404
respond_to do |format|
format.html { render "errors/not_found", layout: "errors", status: :not_found }
# Prevent the Rails CSRF protector from thinking a missing .js file is a JavaScript file
format.js { render json: '', status: :not_found, content_type: 'application/json' }
format.any { head :not_found }
end
end
def respond_422
head :unprocessable_entity
end
def render_503
respond_to do |format|
format.html do
render(
file: Rails.root.join("public", "503"),
layout: false,
status: :service_unavailable
)
end
format.any { head :service_unavailable }
end
end
def no_cache_headers
DEFAULT_GITLAB_NO_CACHE_HEADERS.each do |k, v|
headers[k] = v
end
end
def stream_headers
headers['Content-Length'] = nil
headers['X-Accel-Buffering'] = 'no' # Disable buffering on Nginx
headers['Last-Modified'] = '0' # Prevent buffering via Rack::ETag middleware
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'
headers[Gitlab::Metrics::RequestsRackMiddleware::FEATURE_CATEGORY_HEADER] = feature_category
end
def default_cache_headers
if current_user
headers['Cache-Control'] = default_cache_control
headers['Pragma'] = 'no-cache' # HTTP 1.0 compatibility
end
end
def default_cache_control
if request.xhr?
ActionDispatch::Http::Cache::Response::DEFAULT_CACHE_CONTROL
else
DEFAULT_GITLAB_CACHE_CONTROL
end
end
def validate_user_service_ticket!
return unless signed_in? && session[:service_tickets]
valid = session[:service_tickets].all? do |provider, ticket|
Gitlab::Auth::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
return if session[:impersonator_id] || !current_user&.allow_password_authentication?
if current_user&.password_expired?
redirect_to new_profile_password_path
end
end
def active_user_check
return unless current_user && current_user.deactivated?
sign_out current_user
flash[:alert] = _("Your account has been deactivated by your administrator. Please log back in to reactivate your account.")
redirect_to new_user_session_path
end
def ldap_security_check
if current_user && current_user.requires_ldap_check?
return unless current_user.try_obtain_ldap_lease
unless Gitlab::Auth::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
# JSON for infinite scroll via Pager object
def pager_json(partial, count, locals = {})
html = render_to_string(
partial,
locals: locals,
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? && session[:impersonator_id].nil?
redirect_to profile_path, notice: _('Please complete your profile with email address')
end
end
def enforce_terms!
return unless current_user
return if current_user.terms_accepted?
message = _("Please accept the Terms of Service before continuing.")
if sessionless_user?
access_denied!(message)
else
# Redirect to the destination if the request is a get.
# Redirect to the source if it was a post, so the user can re-submit after
# accepting the terms.
redirect_path = if request.get?
request.fullpath
else
URI(request.referer).path if request.referer
end
flash[:notice] = message
redirect_to terms_path(redirect: redirect_path), status: :found
end
end
def import_sources_enabled?
!Gitlab::CurrentSettings.import_sources.empty?
end
def bitbucket_server_import_enabled?
Gitlab::CurrentSettings.import_sources.include?('bitbucket_server')
end
def github_import_enabled?
Gitlab::CurrentSettings.import_sources.include?('github')
end
def gitea_import_enabled?
Gitlab::CurrentSettings.import_sources.include?('gitea')
end
def github_import_configured?
Gitlab::Auth::OAuth::Provider.enabled?(:github)
end
def gitlab_import_enabled?
request.host != 'gitlab.com' && Gitlab::CurrentSettings.import_sources.include?('gitlab')
end
def gitlab_import_configured?
Gitlab::Auth::OAuth::Provider.enabled?(:gitlab)
end
def bitbucket_import_enabled?
Gitlab::CurrentSettings.import_sources.include?('bitbucket')
end
def bitbucket_import_configured?
Gitlab::Auth::OAuth::Provider.enabled?(:bitbucket)
end
def google_code_import_enabled?
Gitlab::CurrentSettings.import_sources.include?('google_code')
end
def fogbugz_import_enabled?
Gitlab::CurrentSettings.import_sources.include?('fogbugz')
end
def git_import_enabled?
Gitlab::CurrentSettings.import_sources.include?('git')
end
def gitlab_project_import_enabled?
Gitlab::CurrentSettings.import_sources.include?('gitlab_project')
end
def manifest_import_enabled?
Gitlab::CurrentSettings.import_sources.include?('manifest')
end
def phabricator_import_enabled?
Gitlab::PhabricatorImport.available?
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
def set_current_context(&block)
Gitlab::ApplicationContext.with_context(
# Avoid loading the auth_user again after the request. Otherwise calling
# `auth_user` again would also trigger the Warden callbacks again
user: -> { auth_user if strong_memoized?(:auth_user) },
project: -> { @project if @project&.persisted? },
namespace: -> { @group if @group&.persisted? },
caller_id: caller_id,
feature_category: feature_category) do
yield
ensure
@current_context = Labkit::Context.current.to_h
end
end
def set_locale(&block)
Gitlab::I18n.with_user_locale(current_user, &block)
end
def set_session_storage(&block)
return yield if sessionless_user?
Gitlab::Session.with_session(session, &block)
end
def set_page_title_header
# Per https://tools.ietf.org/html/rfc5987, headers need to be ISO-8859-1, not UTF-8
response.headers['Page-Title'] = Addressable::URI.encode_component(page_title('GitLab'))
end
def set_current_admin(&block)
return yield unless Feature.enabled?(:user_mode_in_session)
return yield unless current_user
Gitlab::Auth::CurrentUserMode.with_current_admin(current_user, &block)
end
def html_request?
request.format.html?
end
def json_request?
request.format.json?
end
def should_enforce_terms?
return false unless Gitlab::CurrentSettings.current_application_settings.enforce_terms
html_request? && !devise_controller?
end
def public_visibility_restricted?
Gitlab::VisibilityLevel.public_visibility_restricted?
end
def set_usage_stats_consent_flag
return unless current_user
return if sessionless_user?
return if session.has_key?(:ask_for_usage_stats_consent)
session[:ask_for_usage_stats_consent] = current_user.requires_usage_stats_consent?
if session[:ask_for_usage_stats_consent]
disable_usage_stats
end
end
def disable_usage_stats
application_setting_params = {
usage_ping_enabled: false,
version_check_enabled: false,
skip_usage_stats_user: true
}
settings = Gitlab::CurrentSettings.current_application_settings
ApplicationSettings::UpdateService
.new(settings, current_user, application_setting_params)
.execute
end
def sentry_context(&block)
Gitlab::ErrorTracking.with_context(current_user, &block)
end
def allow_gitaly_ref_name_caching
::Gitlab::GitalyClient.allow_ref_name_caching do
yield
end
end
def caller_id
"#{self.class.name}##{action_name}"
end
def feature_category
self.class.feature_category_for_action(action_name).to_s
end
def required_signup_info
return unless current_user
return unless current_user.role_required?
store_location_for :user, request.fullpath
redirect_to users_sign_up_welcome_path
end
end
ApplicationController.prepend_if_ee('EE::ApplicationController')