mastodon/spec/lib/sanitize_config_spec.rb
Claire 178e151019 Merge commit '55e7c08a83547424024bac311d5459cb82cf6dae' into glitch-soc/merge-upstream
Conflicts:
- `app/models/user_settings.rb`:
  Upstream added a constraint on a setting textually close
  to glitch-soc-only settings.
  Applied upstream's change.
- `lib/sanitize_ext/sanitize_config.rb`:
  Upstream added support for the `translate` attribute on a few elements,
  where glitch-soc had a different set of allowed elements and attributes.
  Extended glitch-soc's allowed attributes with `translate` as upstream did.
- `spec/validators/status_length_validator_spec.rb`:
  Upstream refactored to use RSpec's `instance_double` instead of `double`,
  but glitch-soc had changes to tests due to configurable max toot chars.
  Applied upstream's changes while keeping tests against configurable max
  toot chars.
2023-06-25 14:27:38 +02:00

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# frozen_string_literal: true
require 'rails_helper'
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&amp;</span><span>Test</span></a>', subject)).to eq 'foo&amp;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 'does not re-interpret HTML when removing unsupported links' do
expect(Sanitize.fragment('<a href="foo://bar">Test&lt;a href="https://example.com"&gt;test&lt;/a&gt;</a>', subject)).to eq 'Test&lt;a href="https://example.com"&gt;test&lt;/a&gt;'
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 'keeps a with translate="no"' do
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>'
end
it 'removes "translate" attribute with invalid value' do
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>'
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
it 'keeps title in abbr' do
expect(Sanitize.fragment('<abbr title="HyperText Markup Language">HTML</abbr>', subject)).to eq '<abbr title="HyperText Markup Language">HTML</abbr>'
end
end
describe '::MASTODON_OUTGOING' do
subject { Sanitize::Config::MASTODON_OUTGOING }
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 or target 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">Test</a>'
end
end
end