Add a nodeinfo endpoint (#12002)

* Add nodeinfo endpoint

* dont commit stuff from my local dev

* consistant naming since we implimented 2.1 schema

* Add some additional node info stuff

* Add nodeinfo endpoint

* dont commit stuff from my local dev

* consistant naming since we implimented 2.1 schema

* expanding this to include federation info

* codeclimate feedback

* CC feedback

* using activeserializers seems like a good idea...

* get rid of draft 2.1 version

* Reimplement 2.1, also fix metaData -> metadata

* Fix metaData -> metadata here too

* Fix nodeinfo 2.1 tests

* Implement cache for monthly user aggregate

* Useless

* Remove ostatus from the list of supported protocols

* Fix nodeinfo's open_registration reading obsolete setting variable

* Only serialize domain blocks with user-facing limitations

* Do not needlessly list noop severity in nodeinfo

* Only serialize domain blocks info in nodeinfo when they are set to be displayed to everyone

* Enable caching for nodeinfo endpoints

* Fix rendering nodeinfo

* CodeClimate fixes

* Please CodeClimate

* Change InstancePresenter#active_user_count_months for clarity

* Refactor NodeInfoSerializer#metadata

* Remove nodeinfo 2.1 support as the schema doesn't exist

* Clean-up
This commit is contained in:
Eugen Rochko 2019-09-29 21:31:51 +02:00 committed by GitHub
parent 15b3eeb326
commit 5f69eb89e2
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9 changed files with 121 additions and 3 deletions

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@ -0,0 +1,19 @@
# frozen_string_literal: true
module WellKnown
class NodeInfoController < ActionController::Base
include CacheConcern
before_action { response.headers['Vary'] = 'Accept' }
def index
expires_in 3.days, public: true
render_with_cache json: {}, serializer: NodeInfo::DiscoverySerializer, adapter: NodeInfo::Adapter, expires_in: 3.days, root: 'nodeinfo'
end
def show
expires_in 30.minutes, public: true
render_with_cache json: {}, serializer: NodeInfo::Serializer, adapter: NodeInfo::Adapter, expires_in: 30.minutes, root: 'nodeinfo'
end
end
end

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@ -1,7 +1,7 @@
# frozen_string_literal: true
class ActivityTracker
EXPIRE_AFTER = 90.days.seconds
EXPIRE_AFTER = 6.months.seconds
class << self
include Redisable

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@ -0,0 +1,7 @@
# frozen_string_literal: true
class NodeInfo::Adapter < ActiveModelSerializers::Adapter::Attributes
def self.default_key_transform
:camel_lower
end
end

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@ -20,8 +20,8 @@ class InstancePresenter
Rails.cache.fetch('user_count') { User.confirmed.joins(:account).merge(Account.without_suspended).count }
end
def active_user_count
Rails.cache.fetch('active_user_count') { Redis.current.pfcount(*(0..3).map { |i| "activity:logins:#{i.weeks.ago.utc.to_date.cweek}" }) }
def active_user_count(weeks = 4)
Rails.cache.fetch('active_user_count') { Redis.current.pfcount(*(0...weeks).map { |i| "activity:logins:#{i.weeks.ago.utc.to_date.cweek}" }) }
end
def status_count

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@ -0,0 +1,11 @@
# frozen_string_literal: true
class NodeInfo::DiscoverySerializer < ActiveModel::Serializer
include RoutingHelper
attribute :links
def links
[{ rel: 'http://nodeinfo.diaspora.software/ns/schema/2.0', href: nodeinfo_schema_url }]
end
end

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@ -0,0 +1,41 @@
# frozen_string_literal: true
class NodeInfo::Serializer < ActiveModel::Serializer
include RoutingHelper
attributes :version, :software, :protocols, :usage
def version
'2.0'
end
def software
{ name: 'mastodon', version: Mastodon::Version.to_s }
end
def services
{ outbound: [], inbound: [] }
end
def protocols
%w(activitypub)
end
def usage
{
users: {
total: instance_presenter.user_count,
active_month: instance_presenter.active_user_count(4),
active_halfyear: instance_presenter.active_user_count(24),
},
local_posts: instance_presenter.status_count,
}
end
private
def instance_presenter
@instance_presenter ||= InstancePresenter.new
end
end

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@ -18,4 +18,5 @@ ActiveSupport::Inflector.inflections(:en) do |inflect|
inflect.acronym 'PubSubHubbub'
inflect.acronym 'ActivityStreams'
inflect.acronym 'JsonLd'
inflect.acronym 'NodeInfo'
end

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@ -24,10 +24,13 @@ Rails.application.routes.draw do
end
get '.well-known/host-meta', to: 'well_known/host_meta#show', as: :host_meta, defaults: { format: 'xml' }
get '.well-known/nodeinfo', to: 'well_known/nodeinfo#index', as: :nodeinfo, defaults: { format: 'json' }
get '.well-known/webfinger', to: 'well_known/webfinger#show', as: :webfinger
get '.well-known/change-password', to: redirect('/auth/edit')
get '.well-known/keybase-proof-config', to: 'well_known/keybase_proof_config#show'
get '/nodeinfo/2.0', to: 'well_known/nodeinfo#show', as: :nodeinfo_schema
get 'manifest', to: 'manifests#show', defaults: { format: 'json' }
get 'intent', to: 'intents#show'
get 'custom.css', to: 'custom_css#show', as: :custom_css

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@ -0,0 +1,36 @@
require 'rails_helper'
describe WellKnown::NodeInfoController, type: :controller do
render_views
describe 'GET #index' do
it 'returns json document pointing to node info' do
get :index
expect(response).to have_http_status(200)
expect(response.content_type).to eq 'application/json'
json = body_as_json
expect(json[:links]).to be_an Array
expect(json[:links][0][:rel]).to eq 'http://nodeinfo.diaspora.software/ns/schema/2.0'
expect(json[:links][0][:href]).to include 'nodeinfo/2.0'
end
end
describe 'GET #show' do
it 'returns json document with node info properties' do
get :show
expect(response).to have_http_status(200)
expect(response.content_type).to eq 'application/json'
json = body_as_json
expect(json[:version]).to eq '2.0'
expect(json[:usage]).to be_a Hash
expect(json[:software]).to be_a Hash
expect(json[:protocols]).to be_an Array
end
end
end