Refactor monkey-patching of Goldfinger (#12561)

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Eugen Rochko 2020-05-10 11:41:43 +02:00 committed by GitHub
parent 4a2ea2e51b
commit 4b766f9846
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6 changed files with 40 additions and 20 deletions

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@ -0,0 +1,19 @@
# frozen_string_literal: true
module WebfingerHelper
def webfinger!(uri)
hidden_service_uri = /\.(onion|i2p)(:\d+)?$/.match(uri)
raise Mastodon::HostValidationError, 'Instance does not support hidden service connections' if !Rails.configuration.x.access_to_hidden_service && hidden_service_uri
opts = {
ssl: !hidden_service_uri,
headers: {
'User-Agent': Mastodon::Version.user_agent,
},
}
Goldfinger::Client.new(uri, opts.merge(Rails.configuration.x.http_client_proxy)).finger
end
end

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@ -3,6 +3,7 @@
class RemoteFollow
include ActiveModel::Validations
include RoutingHelper
include WebfingerHelper
attr_accessor :acct, :addressable_template
@ -71,7 +72,7 @@ class RemoteFollow
end
def acct_resource
@acct_resource ||= Goldfinger.finger("acct:#{acct}")
@acct_resource ||= webfinger!("acct:#{acct}")
rescue Goldfinger::Error, HTTP::ConnectionError
nil
end

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@ -3,6 +3,7 @@
class ActivityPub::FetchRemoteAccountService < BaseService
include JsonLdHelper
include DomainControlHelper
include WebfingerHelper
SUPPORTED_TYPES = %w(Application Group Organization Person Service).freeze
@ -35,12 +36,12 @@ class ActivityPub::FetchRemoteAccountService < BaseService
private
def verified_webfinger?
webfinger = Goldfinger.finger("acct:#{@username}@#{@domain}")
webfinger = webfinger!("acct:#{@username}@#{@domain}")
confirmed_username, confirmed_domain = split_acct(webfinger.subject)
return webfinger.link('self')&.href == @uri if @username.casecmp(confirmed_username).zero? && @domain.casecmp(confirmed_domain).zero?
webfinger = Goldfinger.finger("acct:#{confirmed_username}@#{confirmed_domain}")
webfinger = webfinger!("acct:#{confirmed_username}@#{confirmed_domain}")
@username, @domain = split_acct(webfinger.subject)
self_reference = webfinger.link('self')

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@ -3,6 +3,7 @@
class ResolveAccountService < BaseService
include JsonLdHelper
include DomainControlHelper
include WebfingerHelper
class WebfingerRedirectError < StandardError; end
@ -76,7 +77,7 @@ class ResolveAccountService < BaseService
end
def process_webfinger!(uri, redirected = false)
@webfinger = Goldfinger.finger("acct:#{uri}")
@webfinger = webfinger!("acct:#{uri}")
confirmed_username, confirmed_domain = @webfinger.subject.gsub(/\Aacct:/, '').split('@')
if confirmed_username.casecmp(@username).zero? && confirmed_domain.casecmp(@domain).zero?

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@ -1,24 +1,22 @@
Rails.application.configure do
config.x.http_client_proxy = {}
if ENV['http_proxy'].present?
proxy = URI.parse(ENV['http_proxy'])
raise "Unsupported proxy type: #{proxy.scheme}" unless %w(http https).include? proxy.scheme
raise "No proxy host" unless proxy.host
host = proxy.host
host = host[1...-1] if host[0] == '[' # for IPv6 address
config.x.http_client_proxy[:proxy] = { proxy_address: host, proxy_port: proxy.port, proxy_username: proxy.user, proxy_password: proxy.password }.compact
config.x.http_client_proxy[:proxy] = {
proxy_address: host,
proxy_port: proxy.port,
proxy_username: proxy.user,
proxy_password: proxy.password,
}.compact
end
config.x.access_to_hidden_service = ENV['ALLOW_ACCESS_TO_HIDDEN_SERVICE'] == 'true'
end
module Goldfinger
def self.finger(uri, opts = {})
to_hidden = /\.(onion|i2p)(:\d+)?$/.match(uri)
raise Mastodon::HostValidationError, 'Instance does not support hidden service connections' if !Rails.configuration.x.access_to_hidden_service && to_hidden
opts = { ssl: !to_hidden, headers: {} }.merge(Rails.configuration.x.http_client_proxy).merge(opts)
opts[:headers]['User-Agent'] ||= Mastodon::Version.user_agent
Goldfinger::Client.new(uri, opts).finger
end
end

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@ -35,7 +35,7 @@ describe RemoteFollowController do
context 'when webfinger values are wrong' do
it 'renders new when redirect url is nil' do
resource_with_nil_link = double(link: nil)
allow(Goldfinger).to receive(:finger).with('acct:user@example.com').and_return(resource_with_nil_link)
allow_any_instance_of(WebfingerHelper).to receive(:webfinger!).with('acct:user@example.com').and_return(resource_with_nil_link)
post :create, params: { account_username: @account.to_param, remote_follow: { acct: 'user@example.com' } }
expect(response).to render_template(:new)
@ -45,7 +45,7 @@ describe RemoteFollowController do
it 'renders new when template is nil' do
link_with_nil_template = double(template: nil)
resource_with_link = double(link: link_with_nil_template)
allow(Goldfinger).to receive(:finger).with('acct:user@example.com').and_return(resource_with_link)
allow_any_instance_of(WebfingerHelper).to receive(:webfinger!).with('acct:user@example.com').and_return(resource_with_link)
post :create, params: { account_username: @account.to_param, remote_follow: { acct: 'user@example.com' } }
expect(response).to render_template(:new)
@ -57,7 +57,7 @@ describe RemoteFollowController do
before do
link_with_template = double(template: 'http://example.com/follow_me?acct={uri}')
resource_with_link = double(link: link_with_template)
allow(Goldfinger).to receive(:finger).with('acct:user@example.com').and_return(resource_with_link)
allow_any_instance_of(WebfingerHelper).to receive(:webfinger!).with('acct:user@example.com').and_return(resource_with_link)
post :create, params: { account_username: @account.to_param, remote_follow: { acct: 'user@example.com' } }
end
@ -79,7 +79,7 @@ describe RemoteFollowController do
end
it 'renders new with error when goldfinger fails' do
allow(Goldfinger).to receive(:finger).with('acct:user@example.com').and_raise(Goldfinger::Error)
allow_any_instance_of(WebfingerHelper).to receive(:webfinger!).with('acct:user@example.com').and_raise(Goldfinger::Error)
post :create, params: { account_username: @account.to_param, remote_follow: { acct: 'user@example.com' } }
expect(response).to render_template(:new)
@ -87,7 +87,7 @@ describe RemoteFollowController do
end
it 'renders new when occur HTTP::ConnectionError' do
allow(Goldfinger).to receive(:finger).with('acct:user@unknown').and_raise(HTTP::ConnectionError)
allow_any_instance_of(WebfingerHelper).to receive(:webfinger!).with('acct:user@unknown').and_raise(HTTP::ConnectionError)
post :create, params: { account_username: @account.to_param, remote_follow: { acct: 'user@unknown' } }
expect(response).to render_template(:new)