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[enhancement] markdown: disable Smartypants rendering #1111

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merged 3 commits into from
Nov 22, 2022
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[enhancement] markdown: disable Smartypants rendering #1111

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d22b016
[enhancement] markdown: disable SmartyPantsFractions
noerw Nov 21, 2022
963c779
some fractions are still converted to unicode
noerw Nov 21, 2022
e3c90ab
disable smartypants completely
noerw Nov 21, 2022
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4 changes: 3 additions & 1 deletion internal/text/markdown.go
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Original file line number Diff line number Diff line change
Expand Up @@ -71,7 +71,9 @@ func (f *formatter) FromMarkdown(ctx context.Context, markdownText string, menti
mentions: mentions,
tags: tags,
HTMLRenderer: *blackfriday.NewHTMLRenderer(blackfriday.HTMLRendererParameters{
Flags: blackfriday.CommonHTMLFlags,
// same as blackfriday.CommonHTMLFlags, but with Smartypants disabled
// ref: https://github.com/superseriousbusiness/gotosocial/issues/1028
Flags: blackfriday.UseXHTML,
}),
}

Expand Down
19 changes: 14 additions & 5 deletions internal/text/markdown_test.go
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Expand Up @@ -45,30 +45,32 @@ that was some JSON :)

const (
simpleMarkdown = "# Title\n\nHere's a simple text in markdown.\n\nHere's a [link](https://example.org)."
simpleMarkdownExpected = "<h1>Title</h1><p>Here’s a simple text in markdown.</p><p>Here’s a <a href=\"https://example.org\" rel=\"nofollow noreferrer noopener\" target=\"_blank\">link</a>.</p>"
simpleMarkdownExpected = "<h1>Title</h1><p>Here's a simple text in markdown.</p><p>Here's a <a href=\"https://example.org\" rel=\"nofollow noreferrer noopener\" target=\"_blank\">link</a>.</p>"
withCodeBlockExpected = "<h1>Title</h1><p>Below is some JSON.</p><pre><code class=\"language-json\">{\n &#34;key&#34;: &#34;value&#34;,\n &#34;another_key&#34;: [\n &#34;value1&#34;,\n &#34;value2&#34;\n ]\n}\n</code></pre><p>that was some JSON :)</p>"
withInlineCode = "`Nobody tells you about the <code><del>SECRET CODE</del></code>, do they?`"
withInlineCodeExpected = "<p><code>Nobody tells you about the &lt;code>&lt;del>SECRET CODE&lt;/del>&lt;/code>, do they?</code></p>"
withInlineCode2 = "`Nobody tells you about the </code><del>SECRET CODE</del><code>, do they?`"
withInlineCode2Expected = "<p><code>Nobody tells you about the &lt;/code>&lt;del>SECRET CODE&lt;/del>&lt;code>, do they?</code></p>"
withHashtag = "# Title\n\nhere's a simple status that uses hashtag #Hashtag!"
withHashtagExpected = "<h1>Title</h1><p>here’s a simple status that uses hashtag <a href=\"http://localhost:8080/tags/Hashtag\" class=\"mention hashtag\" rel=\"tag nofollow noreferrer noopener\" target=\"_blank\">#<span>Hashtag</span></a>!</p>"
withHashtagExpected = "<h1>Title</h1><p>here's a simple status that uses hashtag <a href=\"http://localhost:8080/tags/Hashtag\" class=\"mention hashtag\" rel=\"tag nofollow noreferrer noopener\" target=\"_blank\">#<span>Hashtag</span></a>!</p>"
mdWithHTML = "# Title\n\nHere's a simple text in markdown.\n\nHere's a <a href=\"https://example.org\">link</a>.\n\nHere's an image: <img src=\"https://gts.superseriousbusiness.org/assets/logo.png\" alt=\"The GoToSocial sloth logo.\" width=\"500\" height=\"600\">"
mdWithHTMLExpected = "<h1>Title</h1><p>Here’s a simple text in markdown.</p><p>Here’s a <a href=\"https://example.org\" rel=\"nofollow noreferrer noopener\" target=\"_blank\">link</a>.</p><p>Here’s an image: <img src=\"https://gts.superseriousbusiness.org/assets/logo.png\" alt=\"The GoToSocial sloth logo.\" width=\"500\" height=\"600\" crossorigin=\"anonymous\"></p>"
mdWithHTMLExpected = "<h1>Title</h1><p>Here's a simple text in markdown.</p><p>Here's a <a href=\"https://example.org\" rel=\"nofollow noreferrer noopener\" target=\"_blank\">link</a>.</p><p>Here's an image: <img src=\"https://gts.superseriousbusiness.org/assets/logo.png\" alt=\"The GoToSocial sloth logo.\" width=\"500\" height=\"600\" crossorigin=\"anonymous\"></p>"
mdWithCheekyHTML = "# Title\n\nHere's a simple text in markdown.\n\nHere's a cheeky little script: <script>alert(ahhhh)</script>"
mdWithCheekyHTMLExpected = "<h1>Title</h1><p>Here’s a simple text in markdown.</p><p>Here’s a cheeky little script:</p>"
mdWithCheekyHTMLExpected = "<h1>Title</h1><p>Here's a simple text in markdown.</p><p>Here's a cheeky little script:</p>"
mdWithHashtagInitial = "#welcome #Hashtag"
mdWithHashtagInitialExpected = "<p><a href=\"http://localhost:8080/tags/welcome\" class=\"mention hashtag\" rel=\"tag nofollow noreferrer noopener\" target=\"_blank\">#<span>welcome</span></a> <a href=\"http://localhost:8080/tags/Hashtag\" class=\"mention hashtag\" rel=\"tag nofollow noreferrer noopener\" target=\"_blank\">#<span>Hashtag</span></a></p>"
mdCodeBlockWithNewlines = "some code coming up\n\n```\n\n\n\n```\nthat was some code"
mdCodeBlockWithNewlinesExpected = "<p>some code coming up</p><pre><code>\n\n\n</code></pre><p>that was some code</p>"
mdWithFootnote = "fox mulder,fbi.[^1]\n\n[^1]: federated bureau of investigation"
mdWithFootnoteExpected = "<p>fox mulder,fbi.[^1]</p><p>[^1]: federated bureau of investigation</p>"
mdWithBlockQuote = "get ready, there's a block quote coming:\n\n>line1\n>line2\n>\n>line3\n\n"
mdWithBlockQuoteExpected = "<p>get ready, there’s a block quote coming:</p><blockquote><p>line1<br>line2</p><p>line3</p></blockquote>"
mdWithBlockQuoteExpected = "<p>get ready, there's a block quote coming:</p><blockquote><p>line1<br>line2</p><p>line3</p></blockquote>"
mdHashtagAndCodeBlock = "#Hashtag\n\n```\n#Hashtag\n```"
mdHashtagAndCodeBlockExpected = "<p><a href=\"http://localhost:8080/tags/Hashtag\" class=\"mention hashtag\" rel=\"tag nofollow noreferrer noopener\" target=\"_blank\">#<span>Hashtag</span></a></p><pre><code>#Hashtag\n</code></pre>"
mdMentionAndCodeBlock = "@the_mighty_zork\n\n```\n@the_mighty_zork\n```"
mdMentionAndCodeBlockExpected = "<p><span class=\"h-card\"><a href=\"http://localhost:8080/@the_mighty_zork\" class=\"u-url mention\" rel=\"nofollow noreferrer noopener\" target=\"_blank\">@<span>the_mighty_zork</span></a></span></p><pre><code>@the_mighty_zork\n</code></pre>"
mdWithSmartypants = "\"you have to quargle the bleepflorp\" they said with 1/2 of nominal speed and 1/3 of the usual glumping"
mdWithSmartypantsExpected = "<p>\"you have to quargle the bleepflorp\" they said with 1/2 of nominal speed and 1/3 of the usual glumping</p>"
)

type MarkdownTestSuite struct {
Expand Down Expand Up @@ -151,6 +153,13 @@ func (suite *MarkdownTestSuite) TestParseMentionWithCodeBlock() {
suite.Equal(mdMentionAndCodeBlockExpected, s)
}

func (suite *MarkdownTestSuite) TestParseSmartypants() {
s := suite.formatter.FromMarkdown(context.Background(), mdWithSmartypants, []*gtsmodel.Mention{
suite.testMentions["local_user_2_mention_zork"],
}, nil, nil)
suite.Equal(mdWithSmartypantsExpected, s)
}

func TestMarkdownTestSuite(t *testing.T) {
suite.Run(t, new(MarkdownTestSuite))
}