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# frozen_string_literal: true
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require 'rails_helper'
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describe Sanitize::Config do
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shared_examples 'common HTML sanitization' do
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it 'keeps h1' do
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expect(Sanitize.fragment('<h1>Foo</h1>', subject)).to eq '<h1>Foo</h1>'
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end
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it 'keeps ul' do
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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>'
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end
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it 'keeps start and reversed attributes of ol' do
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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>'
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end
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it 'removes a without href' do
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expect(Sanitize.fragment('<a>Test</a>', subject)).to eq 'Test'
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end
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it 'removes a without href and only keeps text content' do
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expect(Sanitize.fragment('<a><span class="invisible">foo&</span><span>Test</span></a>', subject)).to eq 'foo&Test'
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end
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it 'removes a with unsupported scheme in href' do
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expect(Sanitize.fragment('<a href="foo://bar">Test</a>', subject)).to eq 'Test'
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end
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it 'does not re-interpret HTML when removing unsupported links' do
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expect(Sanitize.fragment('<a href="foo://bar">Test<a href="https://example.com">test</a></a>', subject)).to eq 'Test<a href="https://example.com">test</a>'
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end
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it 'keeps a with href' do
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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>'
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end
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it 'keeps a with translate="no"' do
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expect(Sanitize.fragment('<a href="http://example.com" translate="no">Test</a>', subject)).to eq '<a href="http://example.com" translate="no" rel="nofollow noopener noreferrer" target="_blank">Test</a>'
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end
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it 'removes "translate" attribute with invalid value' do
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expect(Sanitize.fragment('<a href="http://example.com" translate="foo">Test</a>', subject)).to eq '<a href="http://example.com" rel="nofollow noopener noreferrer" target="_blank">Test</a>'
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end
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it 'removes a with unparsable href' do
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expect(Sanitize.fragment('<a href=" https://google.fr">Test</a>', subject)).to eq 'Test'
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end
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it 'keeps a with supported scheme and no host' do
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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>'
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end
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it 'keeps title in abbr' do
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expect(Sanitize.fragment('<abbr title="HyperText Markup Language">HTML</abbr>', subject)).to eq '<abbr title="HyperText Markup Language">HTML</abbr>'
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end
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end
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describe '::MASTODON_OUTGOING' do
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subject { Sanitize::Config::MASTODON_OUTGOING }
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around do |example|
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original_web_domain = Rails.configuration.x.web_domain
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example.run
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Rails.configuration.x.web_domain = original_web_domain
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end
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it_behaves_like 'common HTML sanitization'
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it 'keeps a with href and rel tag, not adding to rel or target if url is local' do
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Rails.configuration.x.web_domain = 'domain.test'
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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">Test</a>'
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end
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end
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end
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