Commit 5faa98f4 authored by James Edwards-Jones's avatar James Edwards-Jones

Session stored globally per request

- This can be accessed with Session.current and is restored after.
- Data can be stored under a key with NamespacedSessionStore
parent 0f863c68
......@@ -27,6 +27,7 @@ class ApplicationController < ActionController::Base
before_action :check_impersonation_availability
around_action :set_locale
around_action :set_session_storage
after_action :set_page_title_header, if: :json_request?
after_action :limit_unauthenticated_session_times
......@@ -434,6 +435,10 @@ class ApplicationController < ActionController::Base
Gitlab::I18n.with_user_locale(current_user, &block)
end
def set_session_storage(&block)
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'] = URI.escape(page_title('GitLab'))
......
# frozen_string_literal: true
module Gitlab
class NamespacedSessionStore
delegate :[], :[]=, to: :store
def initialize(key)
@key = key
end
def initiated?
!Session.current.nil?
end
def store
return unless Session.current
Session.current[@key] ||= {}
Session.current[@key]
end
end
end
# frozen_string_literal: true
module Gitlab
class Session
STORE_KEY = :session_storage
class << self
def with_session(session)
old = self.current
self.current = session
yield
ensure
self.current = old
end
def current
Thread.current[STORE_KEY]
end
protected
def current=(value)
Thread.current[STORE_KEY] = value
end
end
end
end
# frozen_string_literal: true
require 'spec_helper'
describe Gitlab::NamespacedSessionStore do
let(:key) { :some_key }
subject { described_class.new(key) }
it 'stores data under the specified key' do
Gitlab::Session.with_session({}) do
subject[:new_data] = 123
expect(Thread.current[:session_storage][key]).to eq(new_data: 123)
end
end
it 'retrieves data from the given key' do
Thread.current[:session_storage] = { key => { existing_data: 123 } }
expect(subject[:existing_data]).to eq 123
end
end
# frozen_string_literal: true
require 'spec_helper'
describe Gitlab::Session do
it 'uses the current thread as a data store' do
Thread.current[:session_storage] = { a: :b }
expect(described_class.current).to eq(a: :b)
ensure
Thread.current[:session_storage] = nil
end
describe '#with_session' do
it 'sets session hash' do
described_class.with_session(one: 1) do
expect(described_class.current).to eq(one: 1)
end
end
it 'restores current store after' do
described_class.with_session(two: 2) { }
expect(described_class.current).to eq nil
end
end
end
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