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# frozen_string_literal: true
require 'rails_helper'
require Rails.root.join('app', 'lib', 'sanitize_config.rb')
describe Sanitize::Config do
shared_examples 'common HTML sanitization' do
it 'keeps h1' do
expect(Sanitize.fragment('<h1>Foo</h1>', subject)).to eq '<h1>Foo</h1>'
end
it 'keeps ul' do
expect(Sanitize.fragment('<p>Check out:</p><ul><li>Foo</li><li>Bar</li></ul>', subject)).to eq '<p>Check out:</p><ul><li>Foo</li><li>Bar</li></ul>'
end
it 'keeps start and reversed attributes of ol' do
expect(Sanitize.fragment('<p>Check out:</p><ol start="3" reversed=""><li>Foo</li><li>Bar</li></ol>', subject)).to eq '<p>Check out:</p><ol start="3" reversed=""><li>Foo</li><li>Bar</li></ol>'
end
it 'removes a without href' do
expect(Sanitize.fragment('<a>Test</a>', subject)).to eq 'Test'
end
it 'removes a without href and only keeps text content' do
expect(Sanitize.fragment('<a><span class="invisible">foo&</span><span>Test</span></a>', subject)).to eq 'foo&Test'
end
it 'removes a with unsupported scheme in href' do
expect(Sanitize.fragment('<a href="foo://bar">Test</a>', subject)).to eq 'Test'
end
it 'keeps a with href' do
expect(Sanitize.fragment('<a href="http://example.com">Test</a>', subject)).to eq '<a href="http://example.com" rel="nofollow noopener noreferrer" target="_blank">Test</a>'
end
it 'removes a with unparsable href' do
expect(Sanitize.fragment('<a href=" https://google.fr">Test</a>', subject)).to eq 'Test'
end
it 'keeps a with supported scheme and no host' do
expect(Sanitize.fragment('<a href="dweb:/a/foo">Test</a>', subject)).to eq '<a href="dweb:/a/foo" rel="nofollow noopener noreferrer" target="_blank">Test</a>'
end
end
describe '::MASTODON_STRICT' do
subject { Sanitize::Config::MASTODON_STRICT }
it_behaves_like 'common HTML sanitization'
it 'keeps a with href and rel tag' do
expect(Sanitize.fragment('<a href="http://example.com" rel="tag">Test</a>', subject)).to eq '<a href="http://example.com" rel="tag nofollow noopener noreferrer" target="_blank">Test</a>'
end
end
describe '::MASTODON_STRICT with outgoing toots' do
subject { Sanitize::Config::MASTODON_STRICT.merge(outgoing: true) }
around do |example|
original_web_domain = Rails.configuration.x.web_domain
example.run
Rails.configuration.x.web_domain = original_web_domain
end
it_behaves_like 'common HTML sanitization'
it 'keeps a with href and rel tag, not adding to rel if url is local' do
Rails.configuration.x.web_domain = 'domain.test'
expect(Sanitize.fragment('<a href="http://domain.test/tags/foo" rel="tag">Test</a>', subject)).to eq '<a href="http://domain.test/tags/foo" rel="tag" target="_blank">Test</a>'
end
end
end
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