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Diffstat (limited to 'spec/lib/gitlab/markdown/sanitization_filter_spec.rb')
| -rw-r--r-- | spec/lib/gitlab/markdown/sanitization_filter_spec.rb | 199 |
1 files changed, 0 insertions, 199 deletions
diff --git a/spec/lib/gitlab/markdown/sanitization_filter_spec.rb b/spec/lib/gitlab/markdown/sanitization_filter_spec.rb deleted file mode 100644 index b089729172d..00000000000 --- a/spec/lib/gitlab/markdown/sanitization_filter_spec.rb +++ /dev/null @@ -1,199 +0,0 @@ -require 'spec_helper' - -module Gitlab::Markdown - describe SanitizationFilter do - include FilterSpecHelper - - describe 'default whitelist' do - it 'sanitizes tags that are not whitelisted' do - act = %q{<textarea>no inputs</textarea> and <blink>no blinks</blink>} - exp = 'no inputs and no blinks' - expect(filter(act).to_html).to eq exp - end - - it 'sanitizes tag attributes' do - act = %q{<a href="http://example.com/bar.html" onclick="bar">Text</a>} - exp = %q{<a href="http://example.com/bar.html">Text</a>} - expect(filter(act).to_html).to eq exp - end - - it 'sanitizes javascript in attributes' do - act = %q(<a href="javascript:alert('foo')">Text</a>) - exp = '<a>Text</a>' - expect(filter(act).to_html).to eq exp - end - - it 'allows whitelisted HTML tags from the user' do - exp = act = "<dl>\n<dt>Term</dt>\n<dd>Definition</dd>\n</dl>" - expect(filter(act).to_html).to eq exp - end - - it 'sanitizes `class` attribute on any element' do - act = %q{<strong class="foo">Strong</strong>} - expect(filter(act).to_html).to eq %q{<strong>Strong</strong>} - end - - it 'sanitizes `id` attribute on any element' do - act = %q{<em id="foo">Emphasis</em>} - expect(filter(act).to_html).to eq %q{<em>Emphasis</em>} - end - end - - describe 'custom whitelist' do - it 'customizes the whitelist only once' do - instance = described_class.new('Foo') - 3.times { instance.whitelist } - - expect(instance.whitelist[:transformers].size).to eq 5 - end - - it 'allows syntax highlighting' do - exp = act = %q{<pre class="code highlight white c"><code><span class="k">def</span></code></pre>} - expect(filter(act).to_html).to eq exp - end - - it 'sanitizes `class` attribute from non-highlight spans' do - act = %q{<span class="k">def</span>} - expect(filter(act).to_html).to eq %q{<span>def</span>} - end - - it 'allows `style` attribute on table elements' do - html = <<-HTML.strip_heredoc - <table> - <tr><th style="text-align: center">Head</th></tr> - <tr><td style="text-align: right">Body</th></tr> - </table> - HTML - - doc = filter(html) - - expect(doc.at_css('th')['style']).to eq 'text-align: center' - expect(doc.at_css('td')['style']).to eq 'text-align: right' - end - - it 'allows `span` elements' do - exp = act = %q{<span>Hello</span>} - expect(filter(act).to_html).to eq exp - end - - it 'removes `rel` attribute from `a` elements' do - act = %q{<a href="#" rel="nofollow">Link</a>} - exp = %q{<a href="#">Link</a>} - - expect(filter(act).to_html).to eq exp - end - - # Adapted from the Sanitize test suite: http://git.io/vczrM - protocols = { - 'protocol-based JS injection: simple, no spaces' => { - input: '<a href="javascript:alert(\'XSS\');">foo</a>', - output: '<a>foo</a>' - }, - - 'protocol-based JS injection: simple, spaces before' => { - input: '<a href="javascript :alert(\'XSS\');">foo</a>', - output: '<a>foo</a>' - }, - - 'protocol-based JS injection: simple, spaces after' => { - input: '<a href="javascript: alert(\'XSS\');">foo</a>', - output: '<a>foo</a>' - }, - - 'protocol-based JS injection: simple, spaces before and after' => { - input: '<a href="javascript : alert(\'XSS\');">foo</a>', - output: '<a>foo</a>' - }, - - 'protocol-based JS injection: preceding colon' => { - input: '<a href=":javascript:alert(\'XSS\');">foo</a>', - output: '<a>foo</a>' - }, - - 'protocol-based JS injection: UTF-8 encoding' => { - input: '<a href="javascript:">foo</a>', - output: '<a>foo</a>' - }, - - 'protocol-based JS injection: long UTF-8 encoding' => { - input: '<a href="javascript:">foo</a>', - output: '<a>foo</a>' - }, - - 'protocol-based JS injection: long UTF-8 encoding without semicolons' => { - input: '<a href=javascript:alert('XSS')>foo</a>', - output: '<a>foo</a>' - }, - - 'protocol-based JS injection: hex encoding' => { - input: '<a href="javascript:">foo</a>', - output: '<a>foo</a>' - }, - - 'protocol-based JS injection: long hex encoding' => { - input: '<a href="javascript:">foo</a>', - output: '<a>foo</a>' - }, - - 'protocol-based JS injection: hex encoding without semicolons' => { - input: '<a href=javascript:alert('XSS')>foo</a>', - output: '<a>foo</a>' - }, - - 'protocol-based JS injection: null char' => { - input: "<a href=java\0script:alert(\"XSS\")>foo</a>", - output: '<a href="java"></a>' - }, - - 'protocol-based JS injection: spaces and entities' => { - input: '<a href="  javascript:alert(\'XSS\');">foo</a>', - output: '<a href="">foo</a>' - }, - } - - protocols.each do |name, data| - it "handles #{name}" do - doc = filter(data[:input]) - - expect(doc.to_html).to eq data[:output] - end - end - - it 'allows non-standard anchor schemes' do - exp = %q{<a href="irc://irc.freenode.net/git">IRC</a>} - act = filter(exp) - - expect(act.to_html).to eq exp - end - - it 'allows relative links' do - exp = %q{<a href="foo/bar.md">foo/bar.md</a>} - act = filter(exp) - - expect(act.to_html).to eq exp - end - end - - context 'when inline_sanitization is true' do - it 'uses a stricter whitelist' do - doc = filter('<h1>Description</h1>', inline_sanitization: true) - expect(doc.to_html.strip).to eq 'Description' - end - - %w(pre code img ol ul li).each do |elem| - it "removes '#{elem}' elements" do - act = "<#{elem}>Description</#{elem}>" - expect(filter(act, inline_sanitization: true).to_html.strip). - to eq 'Description' - end - end - - %w(b i strong em a ins del sup sub p).each do |elem| - it "still allows '#{elem}' elements" do - exp = act = "<#{elem}>Description</#{elem}>" - expect(filter(act, inline_sanitization: true).to_html).to eq exp - end - end - end - end -end |