mirror of https://github.com/tootsuite/mastodon
119 lines
4.0 KiB
Ruby
119 lines
4.0 KiB
Ruby
# frozen_string_literal: true
|
|
|
|
require 'rails_helper'
|
|
|
|
RSpec.describe EmailMxValidator do
|
|
describe '#validate' do
|
|
let(:user) { instance_double(User, email: 'foo@example.com', sign_up_ip: '1.2.3.4', errors: instance_double(ActiveModel::Errors, add: nil)) }
|
|
let(:resolv_dns_double) { instance_double(Resolv::DNS) }
|
|
|
|
context 'with an e-mail domain that is explicitly allowed' do
|
|
around do |block|
|
|
tmp = Rails.configuration.x.email_domains_allowlist
|
|
Rails.configuration.x.email_domains_allowlist = 'example.com'
|
|
block.call
|
|
Rails.configuration.x.email_domains_allowlist = tmp
|
|
end
|
|
|
|
it 'does not add errors if there are no DNS records' do
|
|
configure_resolver('example.com')
|
|
|
|
subject.validate(user)
|
|
expect(user.errors).to_not have_received(:add)
|
|
end
|
|
end
|
|
|
|
it 'adds no error if there are DNS records for the e-mail domain' do
|
|
configure_resolver('example.com', a: resolv_double_a('192.0.2.42'))
|
|
|
|
subject.validate(user)
|
|
expect(user.errors).to_not have_received(:add)
|
|
end
|
|
|
|
it 'adds an error if the TagManager fails to normalize domain' do
|
|
double = instance_double(TagManager)
|
|
allow(TagManager).to receive(:instance).and_return(double)
|
|
allow(double).to receive(:normalize_domain).with('example.com').and_raise(Addressable::URI::InvalidURIError)
|
|
|
|
user = instance_double(User, email: 'foo@example.com', errors: instance_double(ActiveModel::Errors, add: nil))
|
|
subject.validate(user)
|
|
expect(user.errors).to have_received(:add)
|
|
end
|
|
|
|
it 'adds an error if the domain email portion is blank' do
|
|
user = instance_double(User, email: 'foo@', errors: instance_double(ActiveModel::Errors, add: nil))
|
|
subject.validate(user)
|
|
expect(user.errors).to have_received(:add)
|
|
end
|
|
|
|
it 'adds an error if the email domain name contains empty labels' do
|
|
configure_resolver('example..com', a: resolv_double_a('192.0.2.42'))
|
|
|
|
user = instance_double(User, email: 'foo@example..com', sign_up_ip: '1.2.3.4', errors: instance_double(ActiveModel::Errors, add: nil))
|
|
subject.validate(user)
|
|
expect(user.errors).to have_received(:add)
|
|
end
|
|
|
|
it 'adds an error if there are no DNS records for the e-mail domain' do
|
|
configure_resolver('example.com')
|
|
|
|
subject.validate(user)
|
|
expect(user.errors).to have_received(:add)
|
|
end
|
|
|
|
it 'adds an error if a MX record does not lead to an IP' do
|
|
configure_resolver('example.com', mx: resolv_double_mx('mail.example.com'))
|
|
configure_resolver('mail.example.com')
|
|
|
|
subject.validate(user)
|
|
expect(user.errors).to have_received(:add)
|
|
end
|
|
|
|
it 'adds an error if the MX record has an email domain block' do
|
|
EmailDomainBlock.create!(domain: 'mail.example.com')
|
|
|
|
configure_resolver(
|
|
'example.com',
|
|
mx: resolv_double_mx('mail.example.com')
|
|
)
|
|
configure_resolver(
|
|
'mail.example.com',
|
|
a: instance_double(Resolv::DNS::Resource::IN::A, address: '2.3.4.5'),
|
|
aaaa: instance_double(Resolv::DNS::Resource::IN::AAAA, address: 'fd00::2')
|
|
)
|
|
|
|
subject.validate(user)
|
|
expect(user.errors).to have_received(:add)
|
|
end
|
|
end
|
|
|
|
def configure_resolver(domain, options = {})
|
|
allow(resolv_dns_double)
|
|
.to receive(:getresources)
|
|
.with(domain, Resolv::DNS::Resource::IN::MX)
|
|
.and_return(Array(options[:mx]))
|
|
allow(resolv_dns_double)
|
|
.to receive(:getresources)
|
|
.with(domain, Resolv::DNS::Resource::IN::A)
|
|
.and_return(Array(options[:a]))
|
|
allow(resolv_dns_double)
|
|
.to receive(:getresources)
|
|
.with(domain, Resolv::DNS::Resource::IN::AAAA)
|
|
.and_return(Array(options[:aaaa]))
|
|
allow(resolv_dns_double)
|
|
.to receive(:timeouts=)
|
|
.and_return(nil)
|
|
allow(Resolv::DNS)
|
|
.to receive(:open)
|
|
.and_yield(resolv_dns_double)
|
|
end
|
|
|
|
def resolv_double_mx(domain)
|
|
instance_double(Resolv::DNS::Resource::MX, exchange: domain)
|
|
end
|
|
|
|
def resolv_double_a(domain)
|
|
Resolv::DNS::Resource::IN::A.new(domain)
|
|
end
|
|
end
|