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50 lines
1.7 KiB
Ruby
50 lines
1.7 KiB
Ruby
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# frozen_string_literal: true
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RSpec.describe "escaping of noscript content" do
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def noscript_content
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# Browsers do not parse the contents of noscript tags - they just look for the next string matching `</noscript>`
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# Can't use nokogiri because it parses documents with the 'scripting flag' disabled, and therefore parses html inside noscript tags
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noscript_content = response.body.scan(%r{<noscript.*?>(.*?)</noscript>}m).join("\n")
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end
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it "does not affect normal content" do
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post = Fabricate(:post, raw: 'This is a post with an image <img alt="<Look at this!>">')
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get post.url
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expect(noscript_content).to include('<img alt="<Look at this!>">')
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end
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it "escapes noscript in attribute" do
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post =
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Fabricate(
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:post,
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raw: 'This is a post with an image <img alt="</noscript>"> containing a noscript end tag',
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)
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get post.url
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expect(noscript_content).to include('<img alt="</noscript>">')
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end
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it "escapes noscript with trailing whitespace" do
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post =
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Fabricate(
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:post,
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raw: 'This is a post with an image <img alt="</noscript >"> containing a noscript end tag',
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)
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get post.url
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expect(noscript_content).to include('<img alt="</noscript >">')
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end
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it "escapes noscript with leading whitespace" do
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# The spec doesn't accept closing tags with leading whitespace. Browsers follow that, but some other parsers are more relaxed so we escape anyway
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post =
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Fabricate(
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:post,
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raw: 'This is a post with an image <img alt="</ noscript>"> containing a noscript end tag',
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)
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get post.url
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expect(noscript_content).to include('<img alt="</ noscript>">')
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end
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end
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