forked from fedi/mastodon
Fix link verification for remote accounts (#8868)
This commit is contained in:
Eugen Rochko
GitHub
parent
49b182cd51
commit
7fe137d2f7
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@ -312,8 +312,8 @@ class Account < ApplicationRecord
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def initialize(account, attributes)
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@account = account
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@attributes = attributes
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@name = attributes['name'].strip[0, 255]
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@value = attributes['value'].strip[0, 255]
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@name = attributes['name'].strip[0, string_limit]
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@value = attributes['value'].strip[0, string_limit]
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@verified_at = attributes['verified_at']&.to_datetime
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@errors = {}
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end
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@ -322,8 +322,18 @@ class Account < ApplicationRecord
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verified_at.present?
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end
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def value_for_verification
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@value_for_verification ||= begin
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if account.local?
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value
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else
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ActionController::Base.helpers.strip_tags(value)
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end
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end
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end
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def verifiable?
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value.present? && value.start_with?('http://', 'https://')
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value_for_verification.present? && value_for_verification.start_with?('http://', 'https://')
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end
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def mark_verified!
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@ -334,6 +344,16 @@ class Account < ApplicationRecord
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def to_h
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{ name: @name, value: @value, verified_at: @verified_at }
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end
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private
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def string_limit
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if account.local?
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255
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else
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2047
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end
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end
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end
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class << self
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@ -11,11 +11,7 @@ class REST::AccountSerializer < ActiveModel::Serializer
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has_many :emojis, serializer: REST::CustomEmojiSerializer
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class FieldSerializer < ActiveModel::Serializer
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attributes :name, :value
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attribute :verified_at, if: :verifiable?
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delegate :verifiable?, to: :object
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attributes :name, :value, :verified_at
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def value
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Formatter.instance.format_field(object.account, object.value)
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@ -3,7 +3,7 @@
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class VerifyLinkService < BaseService
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def call(field)
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@link_back = ActivityPub::TagManager.instance.url_for(field.account)
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@url = field.value
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@url = field.value_for_verification
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perform_request!
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@ -3,80 +3,107 @@ require 'rails_helper'
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RSpec.describe VerifyLinkService, type: :service do
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subject { described_class.new }
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let(:account) { Fabricate(:account, username: 'alice') }
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let(:field) { Account::Field.new(account, 'name' => 'Website', 'value' => 'http://example.com') }
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context 'given a local account' do
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let(:account) { Fabricate(:account, username: 'alice') }
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let(:field) { Account::Field.new(account, 'name' => 'Website', 'value' => 'http://example.com') }
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before do
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stub_request(:head, 'https://redirect.me/abc').to_return(status: 301, headers: { 'Location' => ActivityPub::TagManager.instance.url_for(account) })
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stub_request(:get, 'http://example.com').to_return(status: 200, body: html)
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subject.call(field)
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end
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context 'when a link contains an <a> back' do
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let(:html) do
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<<-HTML
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<!doctype html>
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<body>
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<a href="#{ActivityPub::TagManager.instance.url_for(account)}" rel="me">Follow me on Mastodon</a>
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</body>
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HTML
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before do
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stub_request(:head, 'https://redirect.me/abc').to_return(status: 301, headers: { 'Location' => ActivityPub::TagManager.instance.url_for(account) })
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stub_request(:get, 'http://example.com').to_return(status: 200, body: html)
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subject.call(field)
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end
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it 'marks the field as verified' do
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expect(field.verified?).to be true
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context 'when a link contains an <a> back' do
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let(:html) do
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<<-HTML
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<!doctype html>
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<body>
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<a href="#{ActivityPub::TagManager.instance.url_for(account)}" rel="me">Follow me on Mastodon</a>
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</body>
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HTML
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end
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it 'marks the field as verified' do
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expect(field.verified?).to be true
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end
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end
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context 'when a link contains an <a rel="noopener"> back' do
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let(:html) do
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<<-HTML
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<!doctype html>
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<body>
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<a href="#{ActivityPub::TagManager.instance.url_for(account)}" rel="noopener me" target="_blank">Follow me on Mastodon</a>
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</body>
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HTML
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end
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it 'marks the field as verified' do
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expect(field.verified?).to be true
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end
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end
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context 'when a link contains a <link> back' do
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let(:html) do
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<<-HTML
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<!doctype html>
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<head>
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<link type="text/html" href="#{ActivityPub::TagManager.instance.url_for(account)}" rel="me" />
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</head>
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HTML
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end
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it 'marks the field as verified' do
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expect(field.verified?).to be true
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end
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end
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context 'when a link goes through a redirect back' do
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let(:html) do
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<<-HTML
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<!doctype html>
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<head>
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<link type="text/html" href="https://redirect.me/abc" rel="me" />
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</head>
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HTML
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end
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it 'marks the field as verified' do
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expect(field.verified?).to be true
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end
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end
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context 'when a link does not contain a link back' do
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let(:html) { '' }
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it 'marks the field as verified' do
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expect(field.verified?).to be false
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end
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end
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end
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context 'when a link contains an <a rel="noopener"> back' do
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let(:html) do
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<<-HTML
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<!doctype html>
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<body>
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<a href="#{ActivityPub::TagManager.instance.url_for(account)}" rel="noopener me" target="_blank">Follow me on Mastodon</a>
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</body>
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HTML
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context 'given a remote account' do
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let(:account) { Fabricate(:account, username: 'alice', domain: 'example.com', url: 'https://profile.example.com/alice') }
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let(:field) { Account::Field.new(account, 'name' => 'Website', 'value' => '<a href="http://example.com" rel="me"><span class="invisible">http://</span><span class="">example.com</span><span class="invisible"></span></a>') }
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before do
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stub_request(:get, 'http://example.com').to_return(status: 200, body: html)
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subject.call(field)
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end
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it 'marks the field as verified' do
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expect(field.verified?).to be true
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end
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end
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context 'when a link contains an <a> back' do
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let(:html) do
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<<-HTML
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<!doctype html>
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<body>
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<a href="https://profile.example.com/alice" rel="me">Follow me on Mastodon</a>
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</body>
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HTML
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end
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context 'when a link contains a <link> back' do
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let(:html) do
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<<-HTML
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<!doctype html>
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<head>
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<link type="text/html" href="#{ActivityPub::TagManager.instance.url_for(account)}" rel="me" />
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</head>
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HTML
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end
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it 'marks the field as verified' do
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expect(field.verified?).to be true
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end
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end
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context 'when a link goes through a redirect back' do
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let(:html) do
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<<-HTML
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<!doctype html>
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<head>
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<link type="text/html" href="https://redirect.me/abc" rel="me" />
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</head>
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HTML
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end
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it 'marks the field as verified' do
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expect(field.verified?).to be true
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end
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end
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context 'when a link does not contain a link back' do
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let(:html) { '' }
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it 'marks the field as verified' do
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expect(field.verified?).to be false
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it 'marks the field as verified' do
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expect(field.verified?).to be true
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end
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end
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end
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end
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