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# frozen_string_literal: true
require 'spec_helper'
RSpec.describe Banzai::ReferenceRedactor, feature_category: :team_planning do
let(:user) { create(:user) }
let(:project) { build(:project) }
let(:redactor) { described_class.new(Banzai::RenderContext.new(project, user)) }
describe '#redact' do
context 'when reference not visible to user' do
before do
expect(redactor).to receive(:nodes_visible_to_user).and_return([])
end
it 'redacts an array of documents' do
doc1 = Nokogiri::HTML
.fragment('<a class="gfm" href="https://www.gitlab.com" data-reference-type="issue">foo</a>')
doc2 = Nokogiri::HTML
.fragment('<a class="gfm" href="https://www.gitlab.com" data-reference-type="issue">bar</a>')
redacted_data = redactor.redact([doc1, doc2])
expect(redacted_data.map { |data| data[:document] }).to eq([doc1, doc2])
expect(redacted_data.map { |data| data[:visible_reference_count] }).to eq([0, 0])
expect(doc1.to_html).to eq('foo')
expect(doc2.to_html).to eq('bar')
end
it 'replaces redacted reference with inner HTML' do
doc = Nokogiri::HTML.fragment("<a class='gfm' href='https://www.gitlab.com' data-reference-type='issue'>foo</a>")
redactor.redact([doc])
expect(doc.to_html).to eq('foo')
end
context 'when data-original attribute provided' do
let(:original_content) { '<script>alert(1);</script>' }
it 'replaces redacted reference with original content' do
doc = Nokogiri::HTML.fragment("<a class='gfm' href='https://www.gitlab.com' data-reference-type='issue' data-original='#{original_content}'>bar</a>")
redactor.redact([doc])
expect(doc.to_html).to eq(original_content)
end
it 'does not replace redacted reference with original content if href is given' do
html = "<a href='https://www.gitlab.com' data-link-reference='true' class='gfm' data-reference-type='issue' data-reference-type='issue' data-original='Marge'>Marge</a>"
doc = Nokogiri::HTML.fragment(html)
redactor.redact([doc])
expect(doc.to_html).to eq('<a href="https://www.gitlab.com">Marge</a>')
end
it 'uses the original content as the link content if given' do
html = "<a href='https://www.gitlab.com' data-link-reference='true' class='gfm' data-reference-type='issue' data-reference-type='issue' data-original='Homer'>Marge</a>"
doc = Nokogiri::HTML.fragment(html)
redactor.redact([doc])
expect(doc.to_html).to eq('<a href="https://www.gitlab.com">Homer</a>')
end
end
end
context 'when project is in pending delete' do
let!(:issue) { create(:issue, project: project) }
let(:redactor) { described_class.new(Banzai::RenderContext.new(project, user)) }
before do
project.update!(pending_delete: true)
end
it 'redacts an issue attached' do
doc = Nokogiri::HTML.fragment("<a class='gfm' href='https://www.gitlab.com' data-reference-type='issue' data-issue='#{issue.id}'>foo</a>")
redactor.redact([doc])
expect(doc.to_html).to eq('foo')
end
it 'redacts an external issue' do
doc = Nokogiri::HTML.fragment("<a class='gfm' href='https://www.gitlab.com' data-reference-type='issue' data-external-issue='#{issue.id}' data-project='#{project.id}'>foo</a>")
redactor.redact([doc])
expect(doc.to_html).to eq('foo')
end
end
context 'when reference visible to user' do
it 'does not redact an array of documents' do
doc1_html = '<a class="gfm" data-reference-type="issue">foo</a>'
doc1 = Nokogiri::HTML.fragment(doc1_html)
doc2_html = '<a class="gfm" data-reference-type="issue">bar</a>'
doc2 = Nokogiri::HTML.fragment(doc2_html)
nodes = redactor.document_nodes([doc1, doc2]).map { |x| x[:nodes] }
expect(redactor).to receive(:nodes_visible_to_user).and_return(nodes.flatten)
redacted_data = redactor.redact([doc1, doc2])
expect(redacted_data.map { |data| data[:document] }).to eq([doc1, doc2])
expect(redacted_data.map { |data| data[:visible_reference_count] }).to eq([1, 1])
expect(doc1.to_html).to eq(doc1_html)
expect(doc2.to_html).to eq(doc2_html)
end
end
end
context 'when the user cannot read cross project' do
let(:project) { create(:project) }
let(:other_project) { create(:project, :public) }
def create_link(issuable)
type = issuable.class.name.underscore.downcase
ActionController::Base.helpers.link_to(
issuable.to_reference,
'',
class: 'gfm has-tooltip',
title: issuable.title,
data: {
reference_type: type,
"#{type}": issuable.id
}
)
end
before do
project.add_developer(user)
allow(Ability).to receive(:allowed?).and_call_original
allow(Ability).to receive(:allowed?).with(user, :read_cross_project, :global) { false }
allow(Ability).to receive(:allowed?).with(user, :read_cross_project) { false }
end
it 'skips links to issues within the same project' do
issue = create(:issue, project: project)
link = create_link(issue)
doc = Nokogiri::HTML.fragment(link)
redactor.redact([doc])
result = doc.css('a').last
expect(result['class']).to include('has-tooltip')
expect(result['title']).to eq(issue.title)
end
it 'removes info from a cross project reference' do
issue = create(:issue, project: other_project)
link = create_link(issue)
doc = Nokogiri::HTML.fragment(link)
redactor.redact([doc])
result = doc.css('a').last
expect(result['class']).not_to include('has-tooltip')
expect(result['title']).to be_empty
end
end
describe '#redact_nodes' do
it 'redacts an Array of nodes' do
doc = Nokogiri::HTML.fragment('<a href="foo">foo</a>')
node = doc.children[0]
expect(redactor).to receive(:nodes_visible_to_user)
.with([node])
.and_return(Set.new)
redactor.redact_document_nodes([{ document: doc, nodes: [node] }])
expect(doc.to_html).to eq('foo')
end
end
describe '#nodes_visible_to_user' do
it 'returns a Set containing the visible nodes' do
doc = Nokogiri::HTML.fragment('<a data-reference-type="issue"></a>')
node = doc.children[0]
expect_next_instance_of(Banzai::ReferenceParser::IssueParser) do |instance|
expect(instance).to receive(:nodes_visible_to_user)
.with(user, [node])
.and_return([node])
end
expect(redactor.nodes_visible_to_user([node])).to eq(Set.new([node]))
end
it 'handles invalid references gracefully' do
doc = Nokogiri::HTML.fragment('<a data-reference-type="some_invalid_type"></a>')
node = doc.children[0]
expect(redactor.nodes_visible_to_user([node])).to be_empty
end
end
end
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