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discourse/spec/lib/pretty_text_spec.rb
Natalie Tay 188cb58daa
SECURITY: Fixes for main (#28137) 
* SECURITY: Update default allowed iframes list

Change the default iframe url list to all include 3 slashes.

* SECURITY: limit group tag's name length

Limit the size of a group tag's name to 100 characters.

Internal ref - t/130059

* SECURITY: Improve sanitization of SVGs in Onebox

---------

Co-authored-by: Blake Erickson <o.blakeerickson@gmail.com>
Co-authored-by: Régis Hanol <regis@hanol.fr>
Co-authored-by: David Taylor <david@taylorhq.com>
2024-07-30 14:19:01 +08:00

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# frozen_string_literal: true
require "pretty_text"
RSpec.describe PrettyText do
fab!(:user)
fab!(:post)
before { SiteSetting.enable_markdown_typographer = false }
def n(html)
html.strip
end
def cook(*args)
PrettyText.cook(*args)
end
let(:wrapped_image) do
"<div class=\"lightbox-wrapper\"><a href=\"//localhost:3000/uploads/default/4399/33691397e78b4d75.png\" class=\"lightbox\" title=\"Screen Shot 2014-04-14 at 9.47.10 PM.png\"><img src=\"//localhost:3000/uploads/default/_optimized/bd9/b20/bbbcd6a0c0_655x500.png\" width=\"655\" height=\"500\"><div class=\"meta\">\n<span class=\"filename\">Screen Shot 2014-04-14 at 9.47.10 PM.png</span><span class=\"informations\">966x737 1.47 MB</span><span class=\"expand\"></span>\n</div></a></div>"
end
describe "Quoting" do
context "with avatar" do
let(:default_avatar) do
"//test.localhost/uploads/default/avatars/42d/57c/46ce7ee487/{size}.png"
end
before { User.stubs(:default_template).returns(default_avatar) }
it "correctly extracts usernames from the new quote format" do
topic = Fabricate(:topic, title: "this is a test topic :slight_smile:")
expected = <<~HTML
<aside class="quote no-group" data-username="codinghorror" data-post="2" data-topic="#{topic.id}">
<div class="title">
<div class="quote-controls"></div>
<a href="http://test.localhost/t/this-is-a-test-topic/#{topic.id}/2">This is a test topic <img width="20" height="20" src="/images/emoji/twitter/slight_smile.png?v=#{Emoji::EMOJI_VERSION}" title="slight_smile" loading="lazy" alt="slight_smile" class="emoji"></a></div>
<blockquote>
<p>ddd</p>
</blockquote>
</aside>
HTML
expect(
cook(
"[quote=\"Jeff, post:2, topic:#{topic.id}, username:codinghorror\"]\nddd\n[/quote]",
topic_id: 1,
),
).to eq(n(expected))
end
it "do off topic quoting with emoji unescape" do
topic = Fabricate(:topic, title: "this is a test topic :slight_smile:")
expected = <<~HTML
<aside class="quote no-group" data-username="EvilTrout" data-post="2" data-topic="#{topic.id}">
<div class="title">
<div class="quote-controls"></div>
<a href="http://test.localhost/t/this-is-a-test-topic/#{topic.id}/2">This is a test topic <img width="20" height="20" src="/images/emoji/twitter/slight_smile.png?v=#{Emoji::EMOJI_VERSION}" title="slight_smile" loading="lazy" alt="slight_smile" class="emoji"></a></div>
<blockquote>
<p>ddd</p>
</blockquote>
</aside>
HTML
expect(
cook("[quote=\"EvilTrout, post:2, topic:#{topic.id}\"]\nddd\n[/quote]", topic_id: 1),
).to eq(n(expected))
end
context "with emojis" do
let(:md) { <<~MD }
> This is a quote with a regular emoji :upside_down_face:
> This is a quote with an emoji shortcut :)
> This is a quote with a Unicode emoji 😎
MD
it "does not unescape emojis when emojis are disabled" do
SiteSetting.enable_emoji = false
html = <<~HTML
<blockquote>
<p>This is a quote with a regular emoji :upside_down_face:</p>
</blockquote>
<blockquote>
<p>This is a quote with an emoji shortcut :)</p>
</blockquote>
<blockquote>
<p>This is a quote with a Unicode emoji 😎</p>
</blockquote>
HTML
expect(cook(md)).to eq(html.strip)
end
it "does not convert emoji shortcuts when emoji shortcuts are disabled" do
SiteSetting.enable_emoji_shortcuts = false
html = <<~HTML
<blockquote>
<p>This is a quote with a regular emoji <img src="/images/emoji/twitter/upside_down_face.png?v=#{Emoji::EMOJI_VERSION}" title=":upside_down_face:" class="emoji" alt=":upside_down_face:" loading="lazy" width="20" height="20"></p>
</blockquote>
<blockquote>
<p>This is a quote with an emoji shortcut :)</p>
</blockquote>
<blockquote>
<p>This is a quote with a Unicode emoji <img src="/images/emoji/twitter/sunglasses.png?v=#{Emoji::EMOJI_VERSION}" title=":sunglasses:" class="emoji" alt=":sunglasses:" loading="lazy" width="20" height="20"></p>
</blockquote>
HTML
expect(cook(md)).to eq(html.strip)
end
it "unescapes all emojis" do
html = <<~HTML
<blockquote>
<p>This is a quote with a regular emoji <img src="/images/emoji/twitter/upside_down_face.png?v=#{Emoji::EMOJI_VERSION}" title=":upside_down_face:" class="emoji" alt=":upside_down_face:" loading="lazy" width="20" height="20"></p>
</blockquote>
<blockquote>
<p>This is a quote with an emoji shortcut <img src="/images/emoji/twitter/slight_smile.png?v=#{Emoji::EMOJI_VERSION}" title=":slight_smile:" class="emoji" alt=":slight_smile:" loading="lazy" width="20" height="20"></p>
</blockquote>
<blockquote>
<p>This is a quote with a Unicode emoji <img src="/images/emoji/twitter/sunglasses.png?v=#{Emoji::EMOJI_VERSION}" title=":sunglasses:" class="emoji" alt=":sunglasses:" loading="lazy" width="20" height="20"></p>
</blockquote>
HTML
expect(cook(md)).to eq(html.strip)
end
it "adds an only-emoji class when a line has only one emoji" do
md = <<~MD
☹️
foo 😀
foo 😀 bar
:smile_cat:
:smile_cat: :smile_cat:
:smile_cat: :smile_cat: :smile_cat: :smile_cat:
baz? :smile_cat:
😀
😉 foo
😉 😉
😉 😉
😉 😉 😉
😉😉😉
😉 😉 😉
😉d😉 😉
😉 😉 😉d
😉😉😉😉
MD
html = <<~HTML
<p><img src="/images/emoji/twitter/frowning.png?v=#{Emoji::EMOJI_VERSION}" title=":frowning:" class="emoji only-emoji" alt=":frowning:" loading="lazy" width="20" height="20"><br>
foo <img src="/images/emoji/twitter/grinning.png?v=#{Emoji::EMOJI_VERSION}" title=":grinning:" class="emoji" alt=":grinning:" loading="lazy" width="20" height="20"><br>
foo <img src="/images/emoji/twitter/grinning.png?v=#{Emoji::EMOJI_VERSION}" title=":grinning:" class="emoji" alt=":grinning:" loading="lazy" width="20" height="20"> bar<br>
<img src="/images/emoji/twitter/smile_cat.png?v=#{Emoji::EMOJI_VERSION}" title=":smile_cat:" class="emoji only-emoji" alt=":smile_cat:" loading="lazy" width="20" height="20"><br>
<img src="/images/emoji/twitter/smile_cat.png?v=#{Emoji::EMOJI_VERSION}" title=":smile_cat:" class="emoji only-emoji" alt=":smile_cat:" loading="lazy" width="20" height="20"> <img src="/images/emoji/twitter/smile_cat.png?v=#{Emoji::EMOJI_VERSION}" title=":smile_cat:" class="emoji only-emoji" alt=":smile_cat:" loading="lazy" width="20" height="20"><br>
<img src="/images/emoji/twitter/smile_cat.png?v=#{Emoji::EMOJI_VERSION}" title=":smile_cat:" class="emoji" alt=":smile_cat:" loading="lazy" width="20" height="20"> <img src="/images/emoji/twitter/smile_cat.png?v=#{Emoji::EMOJI_VERSION}" title=":smile_cat:" class="emoji" alt=":smile_cat:" loading="lazy" width="20" height="20"> <img src="/images/emoji/twitter/smile_cat.png?v=#{Emoji::EMOJI_VERSION}" title=":smile_cat:" class="emoji" alt=":smile_cat:" loading="lazy" width="20" height="20"> <img src="/images/emoji/twitter/smile_cat.png?v=#{Emoji::EMOJI_VERSION}" title=":smile_cat:" class="emoji" alt=":smile_cat:" loading="lazy" width="20" height="20"><br>
baz? <img src="/images/emoji/twitter/smile_cat.png?v=#{Emoji::EMOJI_VERSION}" title=":smile_cat:" class="emoji" alt=":smile_cat:" loading="lazy" width="20" height="20"><br>
<img src="/images/emoji/twitter/grinning.png?v=#{Emoji::EMOJI_VERSION}" title=":grinning:" class="emoji only-emoji" alt=":grinning:" loading="lazy" width="20" height="20"><br>
<img src="/images/emoji/twitter/wink.png?v=#{Emoji::EMOJI_VERSION}" title=":wink:" class="emoji" alt=":wink:" loading="lazy" width="20" height="20"> foo<br>
<img src="/images/emoji/twitter/wink.png?v=#{Emoji::EMOJI_VERSION}" title=":wink:" class="emoji only-emoji" alt=":wink:" loading="lazy" width="20" height="20"> <img src="/images/emoji/twitter/wink.png?v=#{Emoji::EMOJI_VERSION}" title=":wink:" class="emoji only-emoji" alt=":wink:" loading="lazy" width="20" height="20"><br>
<img src="/images/emoji/twitter/wink.png?v=#{Emoji::EMOJI_VERSION}" title=":wink:" class="emoji only-emoji" alt=":wink:" loading="lazy" width="20" height="20"> <img src="/images/emoji/twitter/wink.png?v=#{Emoji::EMOJI_VERSION}" title=":wink:" class="emoji only-emoji" alt=":wink:" loading="lazy" width="20" height="20"><br>
<img src="/images/emoji/twitter/wink.png?v=#{Emoji::EMOJI_VERSION}" title=":wink:" class="emoji only-emoji" alt=":wink:" loading="lazy" width="20" height="20"> <img src="/images/emoji/twitter/wink.png?v=#{Emoji::EMOJI_VERSION}" title=":wink:" class="emoji only-emoji" alt=":wink:" loading="lazy" width="20" height="20"> <img src="/images/emoji/twitter/wink.png?v=#{Emoji::EMOJI_VERSION}" title=":wink:" class="emoji only-emoji" alt=":wink:" loading="lazy" width="20" height="20"><br>
<img src="/images/emoji/twitter/wink.png?v=#{Emoji::EMOJI_VERSION}" title=":wink:" class="emoji only-emoji" alt=":wink:" loading="lazy" width="20" height="20"><img src="/images/emoji/twitter/wink.png?v=#{Emoji::EMOJI_VERSION}" title=":wink:" class="emoji only-emoji" alt=":wink:" loading="lazy" width="20" height="20"><img src="/images/emoji/twitter/wink.png?v=#{Emoji::EMOJI_VERSION}" title=":wink:" class="emoji only-emoji" alt=":wink:" loading="lazy" width="20" height="20"><br>
<img src="/images/emoji/twitter/wink.png?v=#{Emoji::EMOJI_VERSION}" title=":wink:" class="emoji only-emoji" alt=":wink:" loading="lazy" width="20" height="20"> <img src="/images/emoji/twitter/wink.png?v=#{Emoji::EMOJI_VERSION}" title=":wink:" class="emoji only-emoji" alt=":wink:" loading="lazy" width="20" height="20"> <img src="/images/emoji/twitter/wink.png?v=#{Emoji::EMOJI_VERSION}" title=":wink:" class="emoji only-emoji" alt=":wink:" loading="lazy" width="20" height="20"><br>
<img src="/images/emoji/twitter/wink.png?v=#{Emoji::EMOJI_VERSION}" title=":wink:" class="emoji" alt=":wink:" loading="lazy" width="20" height="20">d​:wink: <img src="/images/emoji/twitter/wink.png?v=#{Emoji::EMOJI_VERSION}" title=":wink:" class="emoji" alt=":wink:" loading="lazy" width="20" height="20"><br>
<img src="/images/emoji/twitter/wink.png?v=#{Emoji::EMOJI_VERSION}" title=":wink:" class="emoji" alt=":wink:" loading="lazy" width="20" height="20"> <img src="/images/emoji/twitter/wink.png?v=#{Emoji::EMOJI_VERSION}" title=":wink:" class="emoji" alt=":wink:" loading="lazy" width="20" height="20"> <img src="/images/emoji/twitter/wink.png?v=#{Emoji::EMOJI_VERSION}" title=":wink:" class="emoji" alt=":wink:" loading="lazy" width="20" height="20">d<br>
<img src="/images/emoji/twitter/wink.png?v=#{Emoji::EMOJI_VERSION}" title=":wink:" class="emoji" alt=":wink:" loading="lazy" width="20" height="20"><img src="/images/emoji/twitter/wink.png?v=#{Emoji::EMOJI_VERSION}" title=":wink:" class="emoji" alt=":wink:" loading="lazy" width="20" height="20"><img src="/images/emoji/twitter/wink.png?v=#{Emoji::EMOJI_VERSION}" title=":wink:" class="emoji" alt=":wink:" loading="lazy" width="20" height="20"><img src="/images/emoji/twitter/wink.png?v=#{Emoji::EMOJI_VERSION}" title=":wink:" class="emoji" alt=":wink:" loading="lazy" width="20" height="20"></p>
HTML
expect(cook(md)).to eq(html.strip)
end
it "does use emoji CDN when enabled" do
SiteSetting.external_emoji_url = "https://emoji.cdn.com"
html = <<~HTML
<blockquote>
<p>This is a quote with a regular emoji <img src="https://emoji.cdn.com/twitter/upside_down_face.png?v=#{Emoji::EMOJI_VERSION}" title=":upside_down_face:" class="emoji" alt=":upside_down_face:" loading="lazy" width="20" height="20"></p>
</blockquote>
<blockquote>
<p>This is a quote with an emoji shortcut <img src="https://emoji.cdn.com/twitter/slight_smile.png?v=#{Emoji::EMOJI_VERSION}" title=":slight_smile:" class="emoji" alt=":slight_smile:" loading="lazy" width="20" height="20"></p>
</blockquote>
<blockquote>
<p>This is a quote with a Unicode emoji <img src="https://emoji.cdn.com/twitter/sunglasses.png?v=#{Emoji::EMOJI_VERSION}" title=":sunglasses:" class="emoji" alt=":sunglasses:" loading="lazy" width="20" height="20"></p>
</blockquote>
HTML
expect(cook(md)).to eq(html.strip)
end
it "does use emoji CDN when others CDNs are also enabled" do
set_cdn_url("https://cdn.com")
setup_s3
SiteSetting.s3_cdn_url = "https://s3.cdn.com"
SiteSetting.external_emoji_url = "https://emoji.cdn.com"
html = <<~HTML
<blockquote>
<p>This is a quote with a regular emoji <img src="https://emoji.cdn.com/twitter/upside_down_face.png?v=#{Emoji::EMOJI_VERSION}" title=":upside_down_face:" class="emoji" alt=":upside_down_face:" loading="lazy" width="20" height="20"></p>
</blockquote>
<blockquote>
<p>This is a quote with an emoji shortcut <img src="https://emoji.cdn.com/twitter/slight_smile.png?v=#{Emoji::EMOJI_VERSION}" title=":slight_smile:" class="emoji" alt=":slight_smile:" loading="lazy" width="20" height="20"></p>
</blockquote>
<blockquote>
<p>This is a quote with a Unicode emoji <img src="https://emoji.cdn.com/twitter/sunglasses.png?v=#{Emoji::EMOJI_VERSION}" title=":sunglasses:" class="emoji" alt=":sunglasses:" loading="lazy" width="20" height="20"></p>
</blockquote>
HTML
expect(cook(md)).to eq(html.strip)
end
end
it "do off topic quoting of posts from secure categories" do
category = Fabricate(:category, read_restricted: true)
topic = Fabricate(:topic, title: "this is topic with secret category", category: category)
expected = <<~HTML
<aside class="quote no-group" data-username="maja" data-post="3" data-topic="#{topic.id}">
<div class="title">
<div class="quote-controls"></div>
<a href="/t/#{topic.id}/3">#{I18n.t("on_another_topic")}</a></div>
<blockquote>
<p>I have nothing to say.</p>
</blockquote>
</aside>
HTML
expect(
cook(
"[quote=\"maja, post:3, topic:#{topic.id}\"]\nI have nothing to say.\n[/quote]",
topic_id: 1,
),
).to eq(n(expected))
end
it "do off topic quoting with the force_quote_link opt and no topic_id opt provided" do
topic = Fabricate(:topic, title: "This is an off-topic topic")
expected = <<~HTML
<aside class="quote no-group" data-username="maja" data-post="3" data-topic="#{topic.id}">
<div class="title">
<div class="quote-controls"></div>
<a href="http://test.localhost/t/this-is-an-off-topic-topic/#{topic.id}/3">#{topic.title}</a></div>
<blockquote>
<p>I have nothing to say.</p>
</blockquote>
</aside>
HTML
cooked =
cook(
"[quote=\"maja, post:3, topic:#{topic.id}\"]\nI have nothing to say.\n[/quote]",
force_quote_link: true,
)
expect(cooked).to eq(n(expected))
end
it "indifferent about missing quotations" do
md = <<~MD
[quote=#{user.username}, post:123, topic:456, full:true]
ddd
[/quote]
MD
html = <<~HTML
<aside class="quote no-group" data-username="#{user.username}" data-post="123" data-topic="456" data-full="true">
<div class="title">
<div class="quote-controls"></div>
<img loading="lazy" alt="" width="24" height="24" src="//test.localhost/uploads/default/avatars/42d/57c/46ce7ee487/48.png" class="avatar"> #{user.username}:</div>
<blockquote>
<p>ddd</p>
</blockquote>
</aside>
HTML
expect(PrettyText.cook(md)).to eq(html.strip)
end
it "indifferent about curlies and no curlies" do
md = <<~MD
[quote=“#{user.username}, post:123, topic:456, full:true”]
ddd
[/quote]
MD
html = <<~HTML
<aside class="quote no-group" data-username="#{user.username}" data-post="123" data-topic="456" data-full="true">
<div class="title">
<div class="quote-controls"></div>
<img loading="lazy" alt="" width="24" height="24" src="//test.localhost/uploads/default/avatars/42d/57c/46ce7ee487/48.png" class="avatar"> #{user.username}:</div>
<blockquote>
<p>ddd</p>
</blockquote>
</aside>
HTML
expect(PrettyText.cook(md)).to eq(html.strip)
end
it "trims spaces on quote params" do
md = <<~MD
[quote="#{user.username}, post:555, topic: 666"]
ddd
[/quote]
MD
html = <<~HTML
<aside class="quote no-group" data-username="#{user.username}" data-post="555" data-topic="666">
<div class="title">
<div class="quote-controls"></div>
<img loading="lazy" alt="" width="24" height="24" src="//test.localhost/uploads/default/avatars/42d/57c/46ce7ee487/48.png" class="avatar"> #{user.username}:</div>
<blockquote>
<p>ddd</p>
</blockquote>
</aside>
HTML
expect(PrettyText.cook(md)).to eq(html.strip)
end
end
context "with primary user group" do
let(:default_avatar) do
"//test.localhost/uploads/default/avatars/42d/57c/46ce7ee487/{size}.png"
end
fab!(:group)
fab!(:user) { Fabricate(:user, primary_group: group) }
before { User.stubs(:default_template).returns(default_avatar) }
it "adds primary group class to referenced users quote" do
topic = Fabricate(:topic, title: "this is a test topic")
expected = <<~HTML
<aside class="quote group-#{group.name}" data-username="#{user.username}" data-post="2" data-topic="#{topic.id}">
<div class="title">
<div class="quote-controls"></div>
<img loading="lazy" alt="" width="24" height="24" src="//test.localhost/uploads/default/avatars/42d/57c/46ce7ee487/48.png" class="avatar"><a href="http://test.localhost/t/this-is-a-test-topic/#{topic.id}/2">This is a test topic</a></div>
<blockquote>
<p>ddd</p>
</blockquote>
</aside>
HTML
expect(
cook(
"[quote=\"#{user.username}, post:2, topic:#{topic.id}\"]\nddd\n[/quote]",
topic_id: 1,
),
).to eq(n(expected))
end
end
it "can handle inline block bbcode" do
cooked = PrettyText.cook("[quote]te **s** t[/quote]")
html = <<~HTML
<aside class="quote no-group">
<blockquote>
<p>te <strong>s</strong> t</p>
</blockquote>
</aside>
HTML
expect(cooked).to eq(html.strip)
end
it "handles bbcode edge cases" do
expect(PrettyText.cook "[constructor]\ntest").to eq("<p>[constructor]<br>\ntest</p>")
end
it "can handle quote edge cases" do
expect(PrettyText.cook("[quote]abc\ntest\n[/quote]")).not_to include("aside")
expect(PrettyText.cook("[quote] \ntest\n[/quote] ")).to include("aside")
expect(PrettyText.cook("a\n[quote]\ntest\n[/quote]\n\n\na")).to include("aside")
expect(PrettyText.cook("- a\n[quote]\ntest\n[/quote]\n\n\na")).to include("aside")
expect(PrettyText.cook("[quote]\ntest")).not_to include("aside")
expect(PrettyText.cook("[quote]\ntest\n[/quote]z")).not_to include("aside")
nested = <<~MD
[quote]
a
[quote]
b
[/quote]
c
[/quote]
MD
cooked = PrettyText.cook(nested)
expect(cooked.scan("aside").length).to eq(4)
expect(cooked.scan("quote]").length).to eq(0)
end
context "with letter avatar" do
context "with subfolder" do
it "should have correct avatar url" do
set_subfolder "/forum"
md = <<~MD
[quote="#{user.username}, post:123, topic:456, full:true"]
ddd
[/quote]
MD
expect(PrettyText.cook(md)).to include("/forum/letter_avatar_proxy")
end
end
end
end
describe "Mentions" do
it "can handle mentions after abbr" do
expect(PrettyText.cook("test <abbr>test</abbr>\n\n@bob")).to eq(
"<p>test <abbr>test</abbr></p>\n<p><span class=\"mention\">@bob</span></p>",
)
end
it "should handle 3 mentions in a row" do
expect(
PrettyText.cook("@hello @hello @hello"),
).to match_html "<p><span class=\"mention\">@hello</span> <span class=\"mention\">@hello</span> <span class=\"mention\">@hello</span></p>"
end
it "can handle mention edge cases" do
expect(PrettyText.cook("hi\n@s")).to eq("<p>hi<br>\n<span class=\"mention\">@s</span></p>")
expect(PrettyText.cook("hi\n@ss")).to eq("<p>hi<br>\n<span class=\"mention\">@ss</span></p>")
expect(PrettyText.cook("hi\n@s.")).to eq("<p>hi<br>\n<span class=\"mention\">@s</span>.</p>")
expect(PrettyText.cook("hi\n@s.s")).to eq(
"<p>hi<br>\n<span class=\"mention\">@s.s</span></p>",
)
expect(PrettyText.cook("hi\n@.s.s")).to eq("<p>hi<br>\n@.s.s</p>")
end
it "handles user and group mentions correctly" do
%w[User user2].each { |username| Fabricate(:user, username: username) }
Fabricate(:group, name: "Group", mentionable_level: Group::ALIAS_LEVELS[:everyone])
Fabricate(
:group,
name: "Group2",
mentionable_level: Group::ALIAS_LEVELS[:members_mods_and_admins],
)
[
[
"hi @uSer! @user2 hi",
'<p>hi <a class="mention" href="/u/user">@uSer</a>! <a class="mention" href="/u/user2">@user2</a> hi</p>',
],
[
"hi\n@user. @GROUP @somemention @group2",
%Q|<p>hi<br>\n<a class="mention" href="/u/user">@user</a>. <a class="mention-group notify" href="/groups/group">@GROUP</a> <span class="mention">@somemention</span> <a class="mention-group" href="/groups/group2">@group2</a></p>|,
],
].each { |input, expected| expect(PrettyText.cook(input)).to eq(expected) }
end
context "with subfolder" do
it "handles user and group mentions correctly" do
set_subfolder "/forum"
Fabricate(:user, username: "user1")
Fabricate(:group, name: "groupA", mentionable_level: Group::ALIAS_LEVELS[:everyone])
input = "hi there @user1 and @groupA"
expected =
'<p>hi there <a class="mention" href="/forum/u/user1">@user1</a> and <a class="mention-group notify" href="/forum/groups/groupa">@groupA</a></p>'
expect(PrettyText.cook(input)).to eq(expected)
end
end
it "does not assign the notify class to a group that can't be mentioned" do
group =
Fabricate(
:group,
visibility_level: Group.visibility_levels[:members],
mentionable_level: Group::ALIAS_LEVELS[:nobody],
)
expect(PrettyText.cook("test @#{group.name} test")).to eq(
%Q|<p>test <a class="mention-group" href="/groups/#{group.name}">@#{group.name}</a> test</p>|,
)
end
it "assigns the notify class if the user can mention" do
group =
Fabricate(
:group,
visibility_level: Group.visibility_levels[:members],
mentionable_level: Group::ALIAS_LEVELS[:members_mods_and_admins],
)
expect(PrettyText.cook("test @#{group.name} test", user_id: Fabricate(:admin).id)).to eq(
%Q|<p>test <a class="mention-group notify" href="/groups/#{group.name}">@#{group.name}</a> test</p>|,
)
end
it "does not mention staged users" do
user = Fabricate(:user, staged: true)
expect(PrettyText.cook("something @#{user.username} something")).to eq(
%Q|<p>something <span class="mention">@#{user.username}</span> something</p>|,
)
end
context "when mentions are disabled" do
before { SiteSetting.enable_mentions = false }
it "should not convert mentions to links" do
expect(PrettyText.cook("hi @user")).to eq("<p>hi @user</p>")
end
end
it "can handle mentions inside a hyperlink" do
expect(PrettyText.cook("<a> @inner</a> ")).to match_html "<p><a> @inner</a></p>"
end
it "can handle mentions inside a hyperlink" do
expect(
PrettyText.cook("[link @inner](http://site.com)"),
).to match_html '<p><a href="http://site.com" rel="noopener nofollow ugc">link @inner</a></p>'
end
it "can handle a list of mentions" do
expect(PrettyText.cook("@a,@b")).to match_html(
'<p><span class="mention">@a</span>,<span class="mention">@b</span></p>',
)
end
it "should handle group mentions with a hyphen and without" do
expect(
PrettyText.cook("@hello @hello-hello"),
).to match_html "<p><span class=\"mention\">@hello</span> <span class=\"mention\">@hello-hello</span></p>"
end
it "should allow for @mentions to have punctuation" do
expect(PrettyText.cook("hello @bob's @bob,@bob; @bob\"")).to match_html(
"<p>hello <span class=\"mention\">@bob</span>'s <span class=\"mention\">@bob</span>,<span class=\"mention\">@bob</span>; <span class=\"mention\">@bob</span>\"</p>",
)
end
it "should not treat a medium link as a mention" do
expect(PrettyText.cook(". http://test/@sam")).not_to include("mention")
end
context "with Unicode usernames disabled" do
before { SiteSetting.unicode_usernames = false }
it "does not detect mention" do
expect(PrettyText.cook("Hello @狮子")).to_not include("mention")
end
end
context "with Unicode usernames enabled" do
before { SiteSetting.unicode_usernames = true }
it "does detect mention" do
expect(
PrettyText.cook("Hello @狮子"),
).to match_html '<p>Hello <span class="mention">@狮子</span></p>'
end
end
context "with pretty_text_extract_mentions modifier" do
it "allows changing the mentions extracted" do
cooked_html = <<~HTML
<p>
<a class="mention" href="/u/test">@test</a>,
<a class="mention-group" href="/g/test-group">@test-group</a>,
<a class="custom-mention" href="/custom-mention">@test-custom</a>,
<a class="mention" href="/u/test1">test1</a>,
this is a test
</p>
HTML
extracted_mentions = PrettyText.extract_mentions(Nokogiri::HTML5.fragment(cooked_html))
expect(extracted_mentions).to contain_exactly("test", "test-group")
Plugin::Instance
.new
.register_modifier(:pretty_text_extract_mentions) do |mentions, cooked_text|
custom_mentions =
cooked_text
.css(".custom-mention")
.map do |e|
if (name = e.inner_text)
name = name[1..-1]
name = User.normalize_username(name)
name
end
end
mentions + custom_mentions
end
extracted_mentions = PrettyText.extract_mentions(Nokogiri::HTML5.fragment(cooked_html))
expect(extracted_mentions).to include("test", "test-group", "test-custom")
ensure
DiscoursePluginRegistry.clear_modifiers!
end
end
end
describe "code fences" do
it "indents code correctly" do
code = <<~MD
X
```
#
x
```
MD
cooked = PrettyText.cook(code)
html = <<~HTML
<p>X</p>
<pre><code class="lang-auto"> #
x
</code></pre>
HTML
expect(cooked).to eq(html.strip)
end
it "doesn't replace emoji in code blocks with our emoji sets if emoji is enabled" do
expect(PrettyText.cook("```\n💣`\n```\n")).not_to match(/\:bomb\:/)
end
it "can include code class correctly" do
SiteSetting.highlighted_languages += "|c++|structured-text|p21"
# keep in mind spaces should be trimmed per spec
expect(PrettyText.cook("``` ruby the mooby\n`````")).to eq(
'<pre data-code-wrap="ruby"><code class="lang-ruby"></code></pre>',
)
expect(PrettyText.cook("```cpp\ncpp\n```")).to match_html(
"<pre data-code-wrap=\"cpp\"><code class='lang-cpp'>cpp\n</code></pre>",
)
expect(PrettyText.cook("```\ncpp\n```")).to match_html(
"<pre><code class='lang-auto'>cpp\n</code></pre>",
)
expect(PrettyText.cook("```text\ncpp\n```")).to match_html(
"<pre><code class='lang-plaintext'>cpp\n</code></pre>",
)
expect(PrettyText.cook("```custom\ncustom content\n```")).to match_html(
"<pre data-code-wrap='custom'><code class='lang-custom'>custom content\n</code></pre>",
)
expect(PrettyText.cook("```custom foo=bar\ncustom content\n```")).to match_html(
"<pre data-code-foo='bar' data-code-wrap='custom'><code class='lang-custom'>custom content</code></pre>",
)
expect(PrettyText.cook("```INVALID a=1, foo=bar , baz=2\n```")).to match_html(
"<pre data-code-a='1' data-code-foo='bar' data-code-baz='2' data-code-wrap='INVALID'><code class='lang-INVALID'>\n</code></pre>",
)
expect(PrettyText.cook("```text\n```")).to match_html(
"<pre><code class='lang-plaintext'>\n</code></pre>",
)
expect(PrettyText.cook("```auto\n```")).to match_html(
"<pre><code class='lang-auto'>\n</code></pre>",
)
expect(PrettyText.cook("```ruby startline=3 $%@#\n```")).to match_html(
"<pre data-code-startline='3' data-code-wrap='ruby'><code class='lang-ruby'>\n</code></pre>",
)
expect(PrettyText.cook("```mermaid a_-你=17\n```")).to match_html(
"<pre data-code-a_-='17' data-code-wrap='mermaid'><code class='lang-mermaid'>\n</code></pre>",
)
expect(
PrettyText.cook("```mermaid foo=<script>alert(document.cookie)</script>\n```"),
).to match_html(
"<pre data-code-foo='&lt;script&gt;alert(document.cookie)&lt;/script&gt;' data-code-wrap='mermaid'><code class='lang-mermaid'>\n</code></pre>",
)
# Check unicode bidi characters are stripped:
expect(PrettyText.cook("```mermaid foo=\u202E begin admin o\u001C\n```")).to match_html(
"<pre data-code-wrap='mermaid'><code class='lang-mermaid'>\n</code></pre>",
)
expect(PrettyText.cook("```c++\nc++\n```")).to match_html(
"<pre data-code-wrap='c++'><code class='lang-c++'>c++\n</code></pre>",
)
expect(PrettyText.cook("```structured-text\nstructured-text\n```")).to match_html(
"<pre data-code-wrap='structured-text'><code class='lang-structured-text'>structured-text\n</code></pre>",
)
expect(PrettyText.cook("```p21\np21\n```")).to match_html(
"<pre data-code-wrap='p21'><code class='lang-p21'>p21\n</code></pre>",
)
expect(
PrettyText.cook("<pre data-code='3' data-code-foo='1' data-malicous-code='2'></pre>"),
).to match_html("<pre data-code-foo='1'></pre>")
end
it "indents code correctly" do
code = "X\n```\n\n #\n x\n```"
cooked = PrettyText.cook(code)
expect(cooked).to match_html(
"<p>X</p>\n<pre><code class=\"lang-auto\">\n #\n x\n</code></pre>",
)
end
it "does censor code fences" do
begin
%w[apple banana].each do |w|
Fabricate(:watched_word, word: w, action: WatchedWord.actions[:censor])
end
expect(PrettyText.cook("# banana")).not_to include("banana")
ensure
Discourse.redis.flushdb
end
end
it "strips out unicode bidirectional (bidi) override characters and replaces with a highlighted span" do
code = <<~MD
X
```auto
var isAdmin = false;
/*‮ begin admin only */⁦ if (isAdmin) ⁩ ⁦ {
console.log("You are an admin.");
/* end admins only ‮*/⁦ }
```
MD
cooked = PrettyText.cook(code)
hidden_bidi_title = I18n.t("post.hidden_bidi_character")
html = <<~HTML
<p>X</p>
<pre><code class="lang-auto">var isAdmin = false;
/*<span class="bidi-warning" title="#{hidden_bidi_title}">&lt;U+202E&gt;</span> begin admin only */<span class="bidi-warning" title="#{hidden_bidi_title}">&lt;U+2066&gt;</span> if (isAdmin) <span class="bidi-warning" title="#{hidden_bidi_title}">&lt;U+2069&gt;</span> <span class="bidi-warning" title="#{hidden_bidi_title}">&lt;U+2066&gt;</span> {
console.log("You are an admin.");
/* end admins only <span class="bidi-warning" title="#{hidden_bidi_title}">&lt;U+202E&gt;</span>*/<span class="bidi-warning" title="#{hidden_bidi_title}">&lt;U+2066&gt;</span> }
</code></pre>
HTML
expect(cooked).to eq(html.strip)
end
it "fuzzes all possible dangerous unicode bidirectional (bidi) override characters, making sure they are replaced" do
bad_bidi = [
"\u202A",
"\u202B",
"\u202C",
"\u202D",
"\u202E",
"\u2066",
"\u2067",
"\u2068",
"\u2069",
]
bad_bidi.each do |bidi|
code = <<~MD
```
#{bidi}
```
MD
cooked = PrettyText.cook(code)
formatted_bidi = format("&lt;U+%04X&gt;", bidi.ord)
html = <<~HTML
<pre><code class="lang-auto"><span class="bidi-warning" title="#{I18n.t("post.hidden_bidi_character")}">#{formatted_bidi}</span>
</code></pre>
HTML
expect(cooked).to eq(html.strip)
end
end
it "fuzzes all possible dangerous unicode bidirectional (bidi) override characters in solo code and pre nodes, making sure they are replaced" do
bad_bidi = [
"\u202A",
"\u202B",
"\u202C",
"\u202D",
"\u202E",
"\u2066",
"\u2067",
"\u2068",
"\u2069",
]
bad_bidi.each do |bidi|
code = <<~MD
<code>#{bidi}</code>
MD
cooked = PrettyText.cook(code)
formatted_bidi = format("&lt;U+%04X&gt;", bidi.ord)
html = <<~HTML
<p><code><span class="bidi-warning" title="#{I18n.t("post.hidden_bidi_character")}">#{formatted_bidi}</span></code></p>
HTML
expect(cooked).to eq(html.strip)
end
bad_bidi.each do |bidi|
code = <<~MD
<pre>#{bidi}</pre>
MD
cooked = PrettyText.cook(code)
formatted_bidi = format("&lt;U+%04X&gt;", bidi.ord)
html = <<~HTML
<pre><span class="bidi-warning" title="#{I18n.t("post.hidden_bidi_character")}">#{formatted_bidi}</span></pre>
HTML
expect(cooked).to eq(html.strip)
end
end
end
describe "rel attributes" do
before do
SiteSetting.add_rel_nofollow_to_user_content = true
SiteSetting.exclude_rel_nofollow_domains = "foo.com|bar.com"
end
it "should inject nofollow in all user provided links" do
expect(PrettyText.cook('<a href="http://cnn.com">cnn</a>')).to match(/noopener nofollow ugc/)
end
it "should not inject nofollow in all local links" do
expect(
PrettyText.cook("<a href='#{Discourse.base_url}/test.html'>cnn</a>") !~ /nofollow ugc/,
).to eq(true)
end
it "should not inject nofollow in all subdomain links" do
expect(
PrettyText.cook(
"<a href='#{Discourse.base_url.sub("http://", "http://bla.")}/test.html'>cnn</a>",
) !~ /nofollow ugc/,
).to eq(true)
end
it "should inject nofollow in all non subdomain links" do
expect(
PrettyText.cook(
"<a href='#{Discourse.base_url.sub("http://", "http://bla")}/test.html'>cnn</a>",
),
).to match(/nofollow ugc/)
end
it "should not inject nofollow for foo.com" do
expect(PrettyText.cook("<a href='http://foo.com/test.html'>cnn</a>") !~ /nofollow ugc/).to eq(
true,
)
end
it "should inject nofollow for afoo.com" do
expect(PrettyText.cook("<a href='http://afoo.com/test.html'>cnn</a>")).to match(
/nofollow ugc/,
)
end
it "should not inject nofollow for bar.foo.com" do
expect(
PrettyText.cook("<a href='http://bar.foo.com/test.html'>cnn</a>") !~ /nofollow ugc/,
).to eq(true)
end
it "should not inject nofollow if omit_nofollow option is given" do
expect(
PrettyText.cook('<a href="http://cnn.com">cnn</a>', omit_nofollow: true) !~ /nofollow ugc/,
).to eq(true)
end
it "adds the noopener attribute even if omit_nofollow option is given" do
raw_html = '<a href="https://www.mysite.com/" target="_blank">Check out my site!</a>'
expect(PrettyText.cook(raw_html, omit_nofollow: true)).to match(/noopener/)
end
it "adds the noopener attribute even if omit_nofollow option is given" do
raw_html = '<a href="https://www.mysite.com/" target="_blank">Check out my site!</a>'
expect(PrettyText.cook(raw_html, omit_nofollow: false)).to match(/noopener nofollow ugc/)
end
end
describe "Excerpt" do
it "sanitizes attempts to inject invalid attributes" do
spinner = "<a href=\"http://thedailywtf.com/\" data-bbcode=\"' class='fa fa-spin\">WTF</a>"
expect(PrettyText.excerpt(spinner, 20)).to match_html spinner
spinner =
%q{<a href="http://thedailywtf.com/" title="' class=&quot;fa fa-spin&quot;&gt;&lt;img src='http://thedailywtf.com/Resources/Images/Primary/logo.gif"></a>}
expect(PrettyText.excerpt(spinner, 20)).to match_html spinner
end
context "with images" do
it "should dump images" do
expect(PrettyText.excerpt("<img src='http://cnn.com/a.gif'>", 100)).to eq("[image]")
end
context "with alt tags" do
it "should keep alt tags" do
expect(
PrettyText.excerpt(
"<img src='http://cnn.com/a.gif' alt='car' title='my big car'>",
100,
),
).to eq("[car]")
end
describe "when alt tag is empty" do
it "should not keep alt tags" do
expect(PrettyText.excerpt("<img src='http://cnn.com/a.gif' alt>", 100)).to eq(
"[#{I18n.t("excerpt_image")}]",
)
end
end
end
context "with title tags" do
it "should keep title tags" do
expect(PrettyText.excerpt("<img src='http://cnn.com/a.gif' title='car'>", 100)).to eq(
"[car]",
)
end
describe "when title tag is empty" do
it "should not keep title tags" do
expect(PrettyText.excerpt("<img src='http://cnn.com/a.gif' title>", 100)).to eq(
"[#{I18n.t("excerpt_image")}]",
)
end
end
end
it "should convert images to markdown if the option is set" do
expect(
PrettyText.excerpt(
"<img src='http://cnn.com/a.gif' title='car'>",
100,
markdown_images: true,
),
).to eq("![car](http://cnn.com/a.gif)")
end
it "should keep details if too long" do
expect(
PrettyText.excerpt("<details><summary>expand</summary><p>hello</p></details>", 6),
).to match_html "<details class='disabled'><summary>expand</summary></details>"
end
it "doesn't disable details if short enough" do
expect(
PrettyText.excerpt("<details><summary>expand</summary><p>hello</p></details>", 60),
).to match_html "<details><summary>expand</summary>hello</details>"
end
it "should remove meta information" do
expect(
PrettyText.excerpt(wrapped_image, 100),
).to match_html "<a href='//localhost:3000/uploads/default/4399/33691397e78b4d75.png' class='lightbox' title='Screen Shot 2014-04-14 at 9.47.10 PM.png'>[image]</a>"
end
it "should strip images when option is set" do
expect(
PrettyText.excerpt("<img src='http://cnn.com/a.gif'>", 100, strip_images: true),
).to be_blank
expect(
PrettyText.excerpt(
"<img src='http://cnn.com/a.gif'> Hello world!",
100,
strip_images: true,
),
).to eq("Hello world!")
end
it "should strip images, but keep emojis when option is set" do
emoji_image =
"<img src='/images/emoji/twitter/heart.png?v=#{Emoji::EMOJI_VERSION}' title=':heart:' class='emoji' alt=':heart:' loading='lazy' width='20' height='20'>"
html = "<img src='http://cnn.com/a.gif'> Hello world #{emoji_image}"
expect(PrettyText.excerpt(html, 100, strip_images: true)).to eq("Hello world :heart:")
expect(
PrettyText.excerpt(html, 100, strip_images: true, keep_emoji_images: true),
).to match_html("Hello world #{emoji_image}")
end
end
context "with emojis" do
it "should remove broken emoji" do
html = <<~HTML
<img src=\"//localhost:3000/images/emoji/twitter/bike.png?v=#{Emoji::EMOJI_VERSION}\" title=\":bike:\" class=\"emoji\" alt=\":bike:\" loading=\"lazy\" width=\"20\" height=\"20\"> <img src=\"//localhost:3000/images/emoji/twitter/cat.png?v=#{Emoji::EMOJI_VERSION}\" title=\":cat:\" class=\"emoji\" alt=\":cat:\" loading=\"lazy\" width=\"20\" height=\"20\"> <img src=\"//localhost:3000/images/emoji/twitter/discourse.png?v=#{Emoji::EMOJI_VERSION}\" title=\":discourse:\" class=\"emoji\" alt=\":discourse:\" loading=\"lazy\" width=\"20\" height=\"20\">
HTML
expect(PrettyText.excerpt(html, 7)).to eq(":bike: &hellip;")
expect(PrettyText.excerpt(html, 8)).to eq(":bike: &hellip;")
expect(PrettyText.excerpt(html, 9)).to eq(":bike: &hellip;")
expect(PrettyText.excerpt(html, 10)).to eq(":bike: &hellip;")
expect(PrettyText.excerpt(html, 11)).to eq(":bike: &hellip;")
expect(PrettyText.excerpt(html, 12)).to eq(":bike: :cat: &hellip;")
expect(PrettyText.excerpt(html, 13)).to eq(":bike: :cat: &hellip;")
expect(PrettyText.excerpt(html, 14)).to eq(":bike: :cat: &hellip;")
end
end
it "should have an option to strip links" do
expect(PrettyText.excerpt("<a href='http://cnn.com'>cnn</a>", 100, strip_links: true)).to eq(
"cnn",
)
end
it "should preserve links" do
expect(
PrettyText.excerpt("<a href='http://cnn.com'>cnn</a>", 100),
).to match_html "<a href='http://cnn.com'>cnn</a>"
end
it "should deal with special keys properly" do
expect(PrettyText.excerpt("<pre><b></pre>", 100)).to eq("")
end
it "should truncate stuff properly" do
expect(PrettyText.excerpt("hello world", 5)).to eq("hello&hellip;")
expect(PrettyText.excerpt("<p>hello</p><p>world</p>", 6)).to eq("hello w&hellip;")
end
it "should insert a space between to Ps" do
expect(PrettyText.excerpt("<p>a</p><p>b</p>", 5)).to eq("a b")
end
it "should strip quotes" do
expect(PrettyText.excerpt("<aside class='quote'><p>a</p><p>b</p></aside>boom", 5)).to eq(
"boom",
)
end
it "should not count the surrounds of a link" do
expect(
PrettyText.excerpt("<a href='http://cnn.com'>cnn</a>", 3),
).to match_html "<a href='http://cnn.com'>cnn</a>"
end
it "uses an ellipsis instead of html entities if provided with the option" do
expect(
PrettyText.excerpt("<a href='http://cnn.com'>cnn</a>", 2, text_entities: true),
).to match_html "<a href='http://cnn.com'>cn...</a>"
end
it "should truncate links" do
expect(
PrettyText.excerpt("<a href='http://cnn.com'>cnn</a>", 2),
).to match_html "<a href='http://cnn.com'>cn&hellip;</a>"
end
it "doesn't extract empty quotes as links" do
expect(
PrettyText.extract_links("<aside class='quote'>not a linked quote</aside>\n").to_a,
).to be_empty
end
it "doesn't extract links from elided parts" do
expect(
PrettyText.extract_links(
"<details class='elided'><a href='http://cnn.com'>cnn</a></details>\n",
).to_a,
).to be_empty
end
def extract_urls(text)
PrettyText.extract_links(text).map(&:url).to_a
end
it "should be able to extract links" do
expect(extract_urls("<a href='http://cnn.com'>http://bla.com</a>")).to eq(["http://cnn.com"])
end
it "should extract links to topics" do
expect(extract_urls("<aside class=\"quote\" data-topic=\"321\">aside</aside>")).to eq(
["/t/321"],
)
end
it "does not extract links from hotlinked images" do
html = <<~HTML
<p>
<a href="https://example.com">example</a>
</p>
<p>
<a href="https://images.pexels.com/photos/1525041/pexels-photo-1525041.jpeg?auto=compress&amp;cs=tinysrgb&amp;w=1260&amp;h=750&amp;dpr=2" target="_blank" rel="noopener" class="onebox">
<img src="https://images.pexels.com/photos/1525041/pexels-photo-1525041.jpeg?auto=compress&amp;cs=tinysrgb&amp;w=1260&amp;h=750&amp;dpr=2" width="690" height="459">
</a>
</p>
<p>
<div class="lightbox-wrapper">
<a class="lightbox" href="//localhost:3000/uploads/default/original/1X/fb7ecffe57b3bc54321635c4f810c5a9396c802c.png" data-download-href="//localhost:3000/uploads/default/fb7ecffe57b3bc54321635c4f810c5a9396c802c" title="image">
<img src="//localhost:3000/uploads/default/optimized/1X/fb7ecffe57b3bc54321635c4f810c5a9396c802c_2_545x500.png" alt="image" data-base62-sha1="zSPxs3tDdPBuq4dK3uJ1K3Sv8kI" width="545" height="500" data-dominant-color="F9F9F9" />
<div class="meta">
<svg class="fa d-icon d-icon-far-image svg-icon" aria-hidden="true"><use href="#far-image"></use></svg>
<span class="filename">image</span>
<span class="informations">808×740 24.8 KB</span>
<svg class="fa d-icon d-icon-discourse-expand svg-icon" aria-hidden="true"><use href="#discourse-expand"></use></svg>
</div>
</a>
</div>
</p>
HTML
expect(extract_urls(html)).to eq(["https://example.com"])
end
context "when lazy-videos" do
it "should extract youtube url" do
expect(
extract_urls(
"<div class=\"lazy-video-container\" data-video-id=\"yXEuEUQIP3Q\" data-video-title=\"Mister Rogers defending PBS to the US Senate\" data-provider-name=\"youtube\"></div>",
),
).to eq(["https://www.youtube.com/watch?v=yXEuEUQIP3Q"])
end
it "should extract vimeo url" do
expect(
extract_urls(
"<div class=\"lazy-video-container\" data-video-id=\"786646692\" data-video-title=\"Dear Rich\" data-provider-name=\"vimeo\"></div>",
),
).to eq(["https://vimeo.com/786646692"])
end
it "should extract tiktok url" do
expect(
extract_urls(
"<div class=\"lazy-video-container\" data-video-id=\"6718335390845095173\" data-video-title=\"Scramble up ur name &amp;amp; I’ll try to guess it😍❤️ #foryoupage #petsoftiktok...\" data-provider-name=\"tiktok\"></div>",
),
).to eq(["https://m.tiktok.com/v/6718335390845095173"])
end
end
it "should extract links to posts" do
expect(
extract_urls("<aside class=\"quote\" data-topic=\"1234\" data-post=\"4567\">aside</aside>"),
).to eq(["/t/1234/4567"])
end
it "should not extract links to anchors" do
expect(extract_urls("<a href='#tos'>TOS</a>")).to eq([])
end
it "should not extract links inside quotes" do
links =
PrettyText.extract_links(
"
<a href='http://body_only.com'>http://useless1.com</a>
<aside class=\"quote\" data-topic=\"1234\">
<a href='http://body_and_quote.com'>http://useless3.com</a>
<a href='http://quote_only.com'>http://useless4.com</a>
</aside>
<a href='http://body_and_quote.com'>http://useless2.com</a>
",
)
expect(links.map { |l| [l.url, l.is_quote] }.sort).to eq(
[
["http://body_only.com", false],
["http://body_and_quote.com", false],
["/t/1234", true],
].sort,
)
end
it "should not extract links inside oneboxes" do
onebox = <<~HTML
<aside class="onebox twitterstatus" data-onebox-src="https://twitter.com/EDBPostgres/status/1402528437441634306">
<header class="source">
<a href="https://twitter.com/EDBPostgres/status/1402528437441634306" target="_blank" rel="noopener">twitter.com</a>
<a href="https://twitter.com/EDBPostgres/status/1402528437441634306" target="_blank" rel="noopener">twitter.com</a>
</header>
<article class="onebox-body">
<div class="tweet">Example URL: <a target="_blank" href="https://example.com" rel="noopener">example.com</a></div>
</article>
</aside>
HTML
expect(PrettyText.extract_links(onebox).map(&:url)).to contain_exactly(
"https://twitter.com/EDBPostgres/status/1402528437441634306",
)
end
it "should not preserve tags in code blocks" do
expect(
PrettyText.excerpt(
"<pre><code class='handlebars'>&lt;h3&gt;Hours&lt;/h3&gt;</code></pre>",
100,
),
).to eq("&lt;h3&gt;Hours&lt;/h3&gt;")
end
it "should handle nil" do
expect(PrettyText.excerpt(nil, 100)).to eq("")
end
it "handles custom bbcode excerpt" do
raw = <<~MD
[excerpt]
hello [site](https://site.com)
[/excerpt]
more stuff
MD
post = Fabricate(:post, raw: raw)
expect(post.excerpt).to eq(
"hello <a href=\"https://site.com\" rel=\"noopener nofollow ugc\">site</a>",
)
end
it "handles div excerpt at the beginning of a post" do
expect(PrettyText.excerpt("<div class='excerpt'>hi</div> test", 100)).to eq("hi")
end
it "handles span excerpt at the beginning of a post" do
expect(PrettyText.excerpt("<span class='excerpt'>hi</span> test", 100)).to eq("hi")
end
it "ignores max excerpt length if a div excerpt is specified" do
two_hundred = "123456789 " * 20 + "."
text = two_hundred + "<div class='excerpt'>#{two_hundred}</div>" + two_hundred
expect(PrettyText.excerpt(text, 100)).to eq(two_hundred)
end
it "ignores max excerpt length if a span excerpt is specified" do
two_hundred = "123456789 " * 20 + "."
text = two_hundred + "<span class='excerpt'>#{two_hundred}</span>" + two_hundred
expect(PrettyText.excerpt(text, 100)).to eq(two_hundred)
end
it "unescapes html entities when we want text entities" do
expect(PrettyText.excerpt("&#39;", 500, text_entities: true)).to eq("'")
end
it "should have an option to preserve emoji images" do
emoji_image =
"<img src='/images/emoji/twitter/heart.png?v=#{Emoji::EMOJI_VERSION}' title=':heart:' class='emoji' alt=':heart:' loading='lazy' width='20' height='20'>"
expect(PrettyText.excerpt(emoji_image, 100, keep_emoji_images: true)).to match_html(
emoji_image,
)
end
it "should have an option to remap emoji to code points" do
emoji_image =
"I <img src='/images/emoji/twitter/heart.png?v=#{Emoji::EMOJI_VERSION}' title=':heart:' class='emoji' alt=':heart:' loading='lazy' width='20' height='20'> you <img src='/images/emoji/twitter/heart.png?v=#{Emoji::EMOJI_VERSION}' title=':unknown:' class='emoji' alt=':unknown:' loading='lazy' width='20' height='20'> "
expect(PrettyText.excerpt(emoji_image, 100, remap_emoji: true)).to match_html(
"I ❤ you :unknown:",
)
end
it "should have an option to preserve emoji codes" do
emoji_code =
"<img src='/images/emoji/twitter/heart.png?v=#{Emoji::EMOJI_VERSION}' title=':heart:' class='emoji' alt=':heart:' loading='lazy' width='20' height='20'>"
expect(PrettyText.excerpt(emoji_code, 100)).to eq(":heart:")
end
context "with option to preserve onebox source" do
it "should return the right excerpt" do
onebox =
"<aside class=\"onebox allowlistedgeneric\">\n <header class=\"source\">\n <a href=\"https://meta.discourse.org/t/infrequent-translation-updates-in-stable-branch/31213/9\">meta.discourse.org</a>\n </header>\n <article class=\"onebox-body\">\n <img src=\"https://cdn-enterprise.discourse.org/meta/user_avatar/meta.discourse.org/gerhard/200/70381_1.png\" width=\"\" height=\"\" class=\"thumbnail\">\n\n<h3><a href=\"https://meta.discourse.org/t/infrequent-translation-updates-in-stable-branch/31213/9\">Infrequent translation updates in stable branch</a></h3>\n\n<p>Well, there's an Italian translation for \"New Topic\" in beta, it's been there since November 2014 and it works here on meta. Do you have any plugins installed? Try disabling them. I'm quite confident that it's either a plugin or a site...</p>\n\n </article>\n <div class=\"onebox-metadata\">\n \n \n </div>\n <div style=\"clear: both\"></div>\n</aside>\n\n\n"
expected =
"<a href=\"https://meta.discourse.org/t/infrequent-translation-updates-in-stable-branch/31213/9\">meta.discourse.org</a>"
expect(PrettyText.excerpt(onebox, 100, keep_onebox_source: true)).to eq(expected)
expect(
PrettyText.excerpt("#{onebox}\n \n \n \n\n\n #{onebox}", 100, keep_onebox_source: true),
).to eq("#{expected}\n\n#{expected}")
end
it "should continue to strip quotes" do
expect(
PrettyText.excerpt(
"<aside class='quote'><p>a</p><p>b</p></aside>boom",
100,
keep_onebox_source: true,
),
).to eq("boom")
end
end
it "should strip audio/video" do
html = <<~HTML
<audio controls>
<source src="https://awebsite.com/audio.mp3"><a href="https://awebsite.com/audio.mp3">https://awebsite.com/audio.mp3</a></source>
</audio>
<p>Listen to this!</p>
HTML
expect(PrettyText.excerpt(html, 100)).to eq("Listen to this!")
html = <<~HTML
<div class="onebox video-onebox">
<video controlslist="nodownload" width="100%" height="100%" controls="">
<source src="http://videosource.com/running.mp4">
<a href="http://videosource.com/running.mp4">http://videosource.com/running.mp4</a>
</video>
</div>
<p>Watch this, but do not include the video in the excerpt.</p>
HTML
ellipsis = "&hellip;"
excerpt_size = 40
excerpt = PrettyText.excerpt(html, excerpt_size)
expect(excerpt.size).to eq(excerpt_size + ellipsis.size)
expect(excerpt).to eq("Watch this, but do not include the video#{ellipsis}")
end
end
describe "strip links" do
it "returns blank for blank input" do
expect(PrettyText.strip_links("")).to be_blank
end
it "does nothing to a string without links" do
expect(PrettyText.strip_links("I'm the <b>batman</b>")).to eq("I'm the <b>batman</b>")
end
it "strips links but leaves the text content" do
expect(
PrettyText.strip_links(
"I'm the linked <a href='http://en.wikipedia.org/wiki/Batman'>batman</a>",
),
).to eq("I'm the linked batman")
end
it "escapes the text content" do
expect(
PrettyText.strip_links(
"I'm the linked <a href='http://en.wikipedia.org/wiki/Batman'>&lt;batman&gt;</a>",
),
).to eq("I'm the linked &lt;batman&gt;")
end
end
describe "strip_image_wrapping" do
def strip_image_wrapping(html)
doc = Nokogiri::HTML5.fragment(html)
described_class.strip_image_wrapping(doc)
doc.to_html
end
it "doesn't change HTML when there's no wrapped image" do
html = "<img src=\"wat.png\">"
expect(strip_image_wrapping(html)).to eq(html)
end
it "strips the metadata" do
expect(
strip_image_wrapping(wrapped_image),
).to match_html "<div class=\"lightbox-wrapper\"><a href=\"//localhost:3000/uploads/default/4399/33691397e78b4d75.png\" class=\"lightbox\" title=\"Screen Shot 2014-04-14 at 9.47.10 PM.png\"><img src=\"//localhost:3000/uploads/default/_optimized/bd9/b20/bbbcd6a0c0_655x500.png\" width=\"655\" height=\"500\"></a></div>"
end
end
describe "format_for_email" do
context "when (sub)domain" do
before { Discourse.stubs(:base_path).returns("") }
it "does not crash" do
html = <<~HTML
<a href="mailto:michael.brown@discourse.org?subject=Your%20post%20at%20http://try.discourse.org/t/discussion-happens-so-much/127/1000?u=supermathie">test</a>
HTML
expect(described_class.format_for_email(html, post)).to eq <<~HTML
<a href="mailto:michael.brown@discourse.org?subject=Your%20post%20at%20http://try.discourse.org/t/discussion-happens-so-much/127/1000?u=supermathie">test</a>
HTML
end
it "adds base url to relative links" do
html = <<~HTML
<p><a class="mention" href="/u/wiseguy">@wiseguy</a>, <a class="mention" href="/u/trollol">@trollol</a> what do you guys think?</p>
HTML
expect(described_class.format_for_email(html, post)).to eq <<~HTML
<p><a class="mention" href="#{Discourse.base_url}/u/wiseguy">@wiseguy</a>, <a class="mention" href="#{Discourse.base_url}/u/trollol">@trollol</a> what do you guys think?</p>
HTML
end
it "doesn't change external absolute links" do
html = <<~HTML
<p>Check out <a href="http://mywebsite.com/users/boss">this guy</a>.</p>
HTML
expect(described_class.format_for_email(html, post)).to eq(html)
end
it "doesn't change internal absolute links" do
html = <<~HTML
<p>Check out <a href="#{Discourse.base_url}/users/boss">this guy</a>.</p>
HTML
expect(described_class.format_for_email(html, post)).to eq(html)
end
it "can tolerate invalid URLs" do
html = <<~HTML
<p>Check out <a href="not a real url">this guy</a>.</p>
HTML
expect(described_class.format_for_email(html, post)).to eq(html)
end
it "doesn't change mailto" do
html = <<~HTML
<p>Contact me at <a href="mailto:username@me.com">this address</a>.</p>
HTML
expect(described_class.format_for_email(html, post)).to eq(html)
end
it "prefers data-original-href attribute to get Vimeo iframe link and escapes it" do
html = <<~HTML
<p>Check out this video – <iframe src='https://player.vimeo.com/video/329875646' data-original-href='https://vimeo.com/329875646/> <script>alert(1)</script>'></iframe>.</p>
HTML
expect(described_class.format_for_email(html, post)).to match(
Regexp.escape("https://vimeo.com/329875646/%3E%20%3Cscript%3Ealert(1)%3C/script%3E"),
)
end
it "creates a valid URL when data-original-href is missing from Vimeo link" do
html = <<~HTML
<iframe src="https://player.vimeo.com/video/508864124?h=fcbbcc92fa" width="640" height="360" frameborder="0" allow="autoplay; fullscreen; picture-in-picture" allowfullscreen></iframe>
HTML
expect(described_class.format_for_email(html, post)).to match(
"https://vimeo.com/508864124/fcbbcc92fa",
)
end
describe "#convert_vimeo_iframes" do
it "converts <iframe> to <a>" do
html = <<~HTML
<p>This is a Vimeo link:</p>
<iframe width="640" height="360" src="https://player.vimeo.com/video/1" data-original-href="https://vimeo.com/1" frameborder="0" allowfullscreen="" seamless="seamless" sandbox="allow-same-origin allow-scripts allow-forms allow-popups allow-popups-to-escape-sandbox allow-presentation"></iframe>
HTML
md = described_class.format_for_email(html, post)
expect(md).not_to include("<iframe")
expect(md).to match_html(<<~HTML)
<p>This is a Vimeo link:</p>
<p><a href="https://vimeo.com/1">https://vimeo.com/1</a></p>
HTML
end
end
describe "#strip_secure_uploads" do
before do
setup_s3
SiteSetting.s3_cdn_url = "https://s3.cdn.com"
SiteSetting.secure_uploads = true
SiteSetting.login_required = true
end
it "replaces secure video content" do
html = <<~HTML
<video width="100%" height="100%" controls="">
<source src="#{Discourse.base_url}/secure-uploads/original/1X/some-video.mp4">
<a href="#{Discourse.base_url}/secure-uploads/original/1X/some-video.mp4">Video label</a>
</source>
</video>
HTML
md = described_class.format_for_email(html, post)
expect(md).not_to include("<video")
expect(md.to_s).to match(I18n.t("emails.secure_uploads_placeholder"))
expect(md.to_s).not_to match(SiteSetting.Upload.s3_cdn_url)
end
it "replaces secure audio content" do
html = <<~HTML
<audio controls>
<source src="#{Discourse.base_url}/secure-uploads/original/1X/some-audio.mp3">
<a href="#{Discourse.base_url}/secure-uploads/original/1X/some-audio.mp3">Audio label</a>
</source>
</audio>
HTML
md = described_class.format_for_email(html, post)
expect(md).not_to include("<audio")
expect(md.to_s).to match(I18n.t("emails.secure_uploads_placeholder"))
expect(md.to_s).not_to match(SiteSetting.Upload.s3_cdn_url)
end
it "replaces secure uploads within a link with a placeholder, keeping the url in an attribute" do
url = "#{Discourse.base_url}\/secure-uploads/original/1X/testimage.png"
html = <<~HTML
<a href="#{url}"><img src="/secure-uploads/original/1X/testimage.png"></a>
HTML
md = described_class.format_for_email(html, post)
expect(md).not_to include("<img")
expect(md).to include("Redacted")
expect(md).to include("data-stripped-secure-upload=\"#{url}\"")
end
it "does not create nested redactions from double processing because of the view media link" do
url = "#{Discourse.base_url}\/secure-uploads/original/1X/testimage.png"
html = <<~HTML
<a href="#{url}"><img src="/secure-uploads/original/1X/testimage.png"></a>
HTML
md = described_class.format_for_email(html, post)
expect(md.scan(/stripped-secure-view-upload/).length).to eq(1)
expect(md.scan(/Redacted/).length).to eq(1)
end
it "replaces secure images with a placeholder, keeping the url in an attribute" do
url = "/secure-uploads/original/1X/testimage.png"
html = <<~HTML
<img src="#{url}" width="20" height="20">
HTML
md = described_class.format_for_email(html, post)
expect(md).not_to include("<img")
expect(md).to include("Redacted")
expect(md).to include("data-stripped-secure-upload=\"#{url}\"")
expect(md).to include("data-width=\"20\"")
expect(md).to include("data-height=\"20\"")
end
end
end
context "when subfolder" do
before { Discourse.stubs(:base_path).returns("/forum") }
it "adds base url to relative links" do
html = <<~HTML
<p><a class="mention" href="/forum/u/wiseguy">@wiseguy</a>, <a class="mention" href="/forum/u/trollol">@trollol</a> what do you guys think?</p>
HTML
expect(described_class.format_for_email(html, post)).to eq <<~HTML
<p><a class="mention" href="#{Discourse.base_url}/u/wiseguy">@wiseguy</a>, <a class="mention" href="#{Discourse.base_url}/u/trollol">@trollol</a> what do you guys think?</p>
HTML
end
it "doesn't change external absolute links" do
html = <<~HTML
<p>Check out <a href="https://mywebsite.com/users/boss">this guy</a>.</p>
HTML
expect(described_class.format_for_email(html, post)).to eq(html)
end
it "doesn't change internal absolute links" do
html = <<~HTML
<p>Check out <a href="#{Discourse.base_url}/users/boss">this guy</a>.</p>
HTML
expect(described_class.format_for_email(html, post)).to eq(html)
end
end
end
it "Is smart about linebreaks and IMG tags" do
raw = <<~MD
a <img>
<img>
<img>
<img>
<img>
a
<img>
- li
<img>
```
test
```
```
test
```
MD
html = <<~HTML
<p>a <img><br>
<img></p>
<p><img><br>
<img></p>
<p><img></p>
<p>a</p>
<p><img></p>
<ul>
<li>li</li>
</ul>
<p><img></p>
<pre><code class="lang-auto">test
</code></pre>
<pre><code class="lang-auto">test
</code></pre>
HTML
expect(PrettyText.cook(raw)).to eq(html.strip)
end
describe "emoji" do
it "replaces unicode emoji with our emoji sets if emoji is enabled" do
expect(PrettyText.cook("💣")).to match(/\:bomb\:/)
end
it "does not replace left right arrow" do
expect(PrettyText.cook("&harr;")).to eq("<p>↔</p>")
end
it "doesn't replace emoji in inline code blocks with our emoji sets if emoji is enabled" do
expect(PrettyText.cook("`💣`")).not_to match(/\:bomb\:/)
end
it "replaces some glyphs that are not in the emoji range" do
expect(PrettyText.cook("☹")).to match(/\:frowning\:/)
expect(PrettyText.cook("☺")).to match(/\:smiling_face\:/)
expect(PrettyText.cook("☻")).to match(/\:slight_smile\:/)
expect(PrettyText.cook("♡")).to match(/\:heart\:/)
expect(PrettyText.cook("❤")).to match(/\:heart\:/)
expect(PrettyText.cook("❤️")).to match(/\:heart\:/) # in emoji range but ensure it works along others
end
it "replaces digits" do
expect(PrettyText.cook("🔢")).to match(/\:1234\:/)
expect(PrettyText.cook("1️⃣")).to match(/\:one\:/)
expect(PrettyText.cook("#️⃣")).to match(/\:hash\:/)
expect(PrettyText.cook("*️⃣")).to match(/\:asterisk\:/)
end
it "doesn't replace unicode emoji if emoji is disabled" do
SiteSetting.enable_emoji = false
expect(PrettyText.cook("💣")).not_to match(/\:bomb\:/)
end
it "doesn't replace emoji if emoji is disabled" do
SiteSetting.enable_emoji = false
expect(PrettyText.cook(":bomb:")).to eq("<p>:bomb:</p>")
end
it "doesn't replace shortcuts if disabled" do
SiteSetting.enable_emoji_shortcuts = false
expect(PrettyText.cook(":)")).to eq("<p>:)</p>")
end
it "does replace shortcuts if enabled" do
expect(PrettyText.cook(":)")).to match("smile")
end
it "replaces skin toned emoji" do
expect(PrettyText.cook("hello 👱🏿‍♀️")).to eq(
"<p>hello <img src=\"/images/emoji/twitter/blonde_woman/6.png?v=#{Emoji::EMOJI_VERSION}\" title=\":blonde_woman:t6:\" class=\"emoji\" alt=\":blonde_woman:t6:\" loading=\"lazy\" width=\"20\" height=\"20\"></p>",
)
expect(PrettyText.cook("hello 👩‍🎤")).to eq(
"<p>hello <img src=\"/images/emoji/twitter/woman_singer.png?v=#{Emoji::EMOJI_VERSION}\" title=\":woman_singer:\" class=\"emoji\" alt=\":woman_singer:\" loading=\"lazy\" width=\"20\" height=\"20\"></p>",
)
expect(PrettyText.cook("hello 👩🏾‍🎓")).to eq(
"<p>hello <img src=\"/images/emoji/twitter/woman_student/5.png?v=#{Emoji::EMOJI_VERSION}\" title=\":woman_student:t5:\" class=\"emoji\" alt=\":woman_student:t5:\" loading=\"lazy\" width=\"20\" height=\"20\"></p>",
)
expect(PrettyText.cook("hello 🤷‍♀️")).to eq(
"<p>hello <img src=\"/images/emoji/twitter/woman_shrugging.png?v=#{Emoji::EMOJI_VERSION}\" title=\":woman_shrugging:\" class=\"emoji\" alt=\":woman_shrugging:\" loading=\"lazy\" width=\"20\" height=\"20\"></p>",
)
end
it "correctly strips VARIATION SELECTOR-16 character (ufe0f) from some emojis" do
expect(PrettyText.cook("❤️💣")).to match(/<img src[^>]+bomb[^>]+>/)
end
it "replaces Emoji from Unicode 14.0" do
expect(PrettyText.cook("🫣")).to match(/\:face_with_peeking_eye\:/)
end
context "with subfolder" do
it "prepends the subfolder path to the emoji url" do
set_subfolder "/forum"
expected = "src=\"/forum/images/emoji/twitter/grinning.png?v=#{Emoji::EMOJI_VERSION}\""
expect(PrettyText.cook("😀")).to include(expected)
expect(PrettyText.cook(":grinning:")).to include(expected)
end
it "prepends the subfolder path even if it is part of the emoji url" do
set_subfolder "/info"
expected =
"src=\"/info/images/emoji/twitter/information_source.png?v=#{Emoji::EMOJI_VERSION}\""
expect(PrettyText.cook("ℹ️")).to include(expected)
expect(PrettyText.cook(":information_source:")).to include(expected)
end
end
end
describe "custom emoji" do
it "replaces the custom emoji" do
CustomEmoji.create!(name: "trout", upload: Fabricate(:upload))
Emoji.clear_cache
expect(PrettyText.cook("hello :trout:")).to match(/<img src[^>]+trout[^>]+>/)
end
end
describe "custom emoji translation" do
before do
PrettyText.reset_translations
SiteSetting.enable_emoji = true
SiteSetting.enable_emoji_shortcuts = true
plugin = Plugin::Instance.new
plugin.translate_emoji "0:)", "otter"
end
after do
Plugin::CustomEmoji.clear_cache
PrettyText.reset_translations
end
it "sets the custom translation" do
expect(PrettyText.cook("hello 0:)")).to match(/otter/)
end
end
it "replaces skin toned emoji" do
expect(PrettyText.cook("hello 👱🏿‍♀️")).to eq(
"<p>hello <img src=\"/images/emoji/twitter/blonde_woman/6.png?v=#{Emoji::EMOJI_VERSION}\" title=\":blonde_woman:t6:\" class=\"emoji\" alt=\":blonde_woman:t6:\" loading=\"lazy\" width=\"20\" height=\"20\"></p>",
)
expect(PrettyText.cook("hello 👩‍🎤")).to eq(
"<p>hello <img src=\"/images/emoji/twitter/woman_singer.png?v=#{Emoji::EMOJI_VERSION}\" title=\":woman_singer:\" class=\"emoji\" alt=\":woman_singer:\" loading=\"lazy\" width=\"20\" height=\"20\"></p>",
)
expect(PrettyText.cook("hello 👩🏾‍🎓")).to eq(
"<p>hello <img src=\"/images/emoji/twitter/woman_student/5.png?v=#{Emoji::EMOJI_VERSION}\" title=\":woman_student:t5:\" class=\"emoji\" alt=\":woman_student:t5:\" loading=\"lazy\" width=\"20\" height=\"20\"></p>",
)
expect(PrettyText.cook("hello 🤷‍♀️")).to eq(
"<p>hello <img src=\"/images/emoji/twitter/woman_shrugging.png?v=#{Emoji::EMOJI_VERSION}\" title=\":woman_shrugging:\" class=\"emoji\" alt=\":woman_shrugging:\" loading=\"lazy\" width=\"20\" height=\"20\"></p>",
)
end
it "should not treat a non emoji as an emoji" do
expect(PrettyText.cook(":email,class_name:")).not_to include("emoji")
end
it "supports href schemes" do
SiteSetting.allowed_href_schemes = "macappstore|steam"
cooked = cook("[Steam URL Scheme](steam://store/452530)")
expected =
'<p><a href="steam://store/452530" rel="noopener nofollow ugc">Steam URL Scheme</a></p>'
expect(cooked).to eq(n expected)
end
it "supports forbidden schemes" do
SiteSetting.allowed_href_schemes = "macappstore|itunes"
cooked = cook("[Steam URL Scheme](steam://store/452530)")
expected = "<p><a>Steam URL Scheme</a></p>"
expect(cooked).to eq(n expected)
end
it "applies scheme restrictions to img[src] attributes" do
SiteSetting.allowed_href_schemes = "steam"
cooked =
cook "![Steam URL Image](steam://store/452530) ![Other scheme image](itunes://store/452530)"
expected =
'<p><img src="steam://store/452530" alt="Steam URL Image"> <img src="" alt="Other scheme image"></p>'
expect(cooked).to eq(n expected)
end
it "applies scheme restrictions to track[src] and source[src]" do
SiteSetting.allowed_href_schemes = "steam"
cooked = cook <<~MD
<video>
<source src="steam://store/452530"><source src="itunes://store/452530"><track src="steam://store/452530"><track src="itunes://store/452530">
</video>
MD
expect(cooked).to include <<~HTML
<source src="steam://store/452530"><source src=""><track src="steam://store/452530"><track src="">
HTML
end
it "applies scheme restrictions to source[srcset]" do
SiteSetting.allowed_href_schemes = "steam"
cooked = cook <<~MD
<video>
<source srcset="steam://store/452530 1x,itunes://store/123 2x"><source srcset="steam://store/452530"><source srcset="itunes://store/452530">
</video>
MD
expect(cooked).to include <<~HTML
<source srcset="steam://store/452530 1x,"><source srcset="steam://store/452530"><source srcset="">
HTML
end
it "allows only tel URL scheme to start with a plus character" do
SiteSetting.allowed_href_schemes = "tel|steam"
cooked = cook("[Tel URL Scheme](tel://+452530579785)")
expected = '<p><a href="tel://+452530579785" rel="noopener nofollow ugc">Tel URL Scheme</a></p>'
expect(cooked).to eq(n expected)
cooked2 = cook("[Steam URL Scheme](steam://+store/452530)")
expected2 = "<p><a>Steam URL Scheme</a></p>"
expect(cooked2).to eq(n expected2)
end
it "produces hashtag links" do
user = Fabricate(:user)
category = Fabricate(:category, name: "testing", slug: "testing")
category2 = Fabricate(:category, name: "known", slug: "known")
group = Fabricate(:group)
private_category = Fabricate(:private_category, name: "secret", group: group, slug: "secret")
tag = Fabricate(:tag, name: "known")
Fabricate(:topic, tags: [tag])
cooked = PrettyText.cook(" #unknown::tag #known #known::tag #testing #secret", user_id: user.id)
expect(cooked).to have_tag("span", text: "#unknown::tag", with: { class: "hashtag-raw" })
expect(cooked).to have_tag(
"a",
with: {
class: "hashtag-cooked",
href: category2.url,
"data-type": "category",
"data-slug": category2.slug,
"data-id": category2.id,
},
) do
with_tag("span", with: { class: "hashtag-icon-placeholder" })
end
expect(cooked).to have_tag(
"a",
with: {
class: "hashtag-cooked",
href: category.url,
"data-type": "category",
"data-slug": category.slug,
"data-id": category.id,
},
) do
with_tag("span", with: { class: "hashtag-icon-placeholder" })
end
expect(cooked).to have_tag(
"a",
with: {
class: "hashtag-cooked",
href: tag.url,
"data-type": "tag",
"data-slug": tag.name,
"data-id": tag.id,
},
) do
with_tag("span", with: { class: "hashtag-icon-placeholder" })
end
expect(cooked).to have_tag("span", text: "#secret", with: { class: "hashtag-raw" })
# If the user hash access to the private category it should be cooked with the details + icon
group.add(user)
cooked = PrettyText.cook(" #unknown::tag #known #known::tag #testing #secret", user_id: user.id)
expect(cooked).to have_tag(
"a",
with: {
class: "hashtag-cooked",
href: private_category.url,
"data-type": "category",
"data-slug": private_category.slug,
"data-id": private_category.id,
},
) do
with_tag("span", with: { class: "hashtag-icon-placeholder" })
end
cooked = PrettyText.cook("[`a` #known::tag here](http://example.com)", user_id: user.id)
html = <<~HTML
<p><a href="http://example.com" rel="noopener nofollow ugc"><code>a</code> #known::tag here</a></p>
HTML
expect(cooked).to eq(html.strip)
cooked =
PrettyText.cook("<a href='http://example.com'>`a` #known::tag here</a>", user_id: user.id)
expect(cooked).to eq(html.strip)
cooked = PrettyText.cook("<A href='/a'>test</A> #known::tag", user_id: user.id)
expect(cooked).to have_tag(
"a",
with: {
class: "hashtag-cooked",
href: tag.url,
"data-type": "tag",
"data-slug": tag.name,
"data-id": tag.id,
},
) do
with_tag("span", with: { class: "hashtag-icon-placeholder" })
end
# ensure it does not fight with the autolinker
expect(PrettyText.cook(" http://somewhere.com/#known")).not_to include("hashtag")
expect(PrettyText.cook(" http://somewhere.com/?#known")).not_to include("hashtag")
expect(PrettyText.cook(" http://somewhere.com/?abc#known")).not_to include("hashtag")
end
it "can handle mixed lists" do
# known bug in old md engine
cooked = PrettyText.cook("* a\n\n1. b")
expect(cooked).to match_html("<ul>\n<li>a</li>\n</ul>\n<ol>\n<li>b</li>\n</ol>")
end
it "can handle traditional vs non traditional newlines" do
SiteSetting.traditional_markdown_linebreaks = true
expect(PrettyText.cook("1\n2")).to match_html "<p>1 2</p>"
SiteSetting.traditional_markdown_linebreaks = false
expect(PrettyText.cook("1\n2")).to match_html "<p>1<br>\n2</p>"
end
it "can handle emoji by name" do
expected = <<HTML
<p><img src="/images/emoji/twitter/smile.png?v=#{Emoji::EMOJI_VERSION}\" title=":smile:" class="emoji only-emoji" alt=":smile:" loading="lazy" width="20" height="20"><img src="/images/emoji/twitter/sunny.png?v=#{Emoji::EMOJI_VERSION}" title=":sunny:" class="emoji only-emoji" alt=":sunny:" loading="lazy" width="20" height="20"></p>
HTML
expect(PrettyText.cook(":smile::sunny:")).to eq(expected.strip)
end
it "handles emoji boundaries correctly" do
cooked = PrettyText.cook("a,:man:t2:,b")
expected =
"<p>a,<img src=\"/images/emoji/twitter/man/2.png?v=#{Emoji::EMOJI_VERSION}\" title=\":man:t2:\" class=\"emoji\" alt=\":man:t2:\" loading=\"lazy\" width=\"20\" height=\"20\">,b</p>"
expect(cooked).to match(expected.strip)
end
it "can handle emoji by translation" do
expected =
"<p><img src=\"/images/emoji/twitter/wink.png?v=#{Emoji::EMOJI_VERSION}\" title=\":wink:\" class=\"emoji only-emoji\" alt=\":wink:\" loading=\"lazy\" width=\"20\" height=\"20\"></p>"
expect(PrettyText.cook(";)")).to eq(expected)
end
it "can handle multiple emojis by translation" do
cooked = PrettyText.cook(":) ;) :)")
expect(cooked.split("img").length - 1).to eq(3)
end
it "handles emoji boundaries correctly" do
expect(PrettyText.cook(",:)")).to include("emoji")
expect(PrettyText.cook(":-)\n")).to include("emoji")
expect(PrettyText.cook("a :)")).to include("emoji")
expect(PrettyText.cook(":),")).not_to include("emoji")
expect(PrettyText.cook("abcde ^:;-P")).to include("emoji")
end
describe "censoring" do
after { Discourse.redis.flushdb }
def expect_cooked_match(raw, expected_cooked)
expect(PrettyText.cook(raw)).to eq(expected_cooked)
end
context "with basic words" do
fab!(:watched_words) do
%w[shucks whiz whizzer a**le badword* shuck$ café $uper].each do |word|
Fabricate(:watched_word, action: WatchedWord.actions[:censor], word: word)
end
end
it "works correctly" do
expect_cooked_match("aw shucks, golly gee whiz.", "<p>aw ■■■■■■, golly gee ■■■■.</p>")
end
it "doesn't censor words unless they have boundaries." do
expect_cooked_match(
"you are a whizzard! I love cheesewhiz. Whiz.",
"<p>you are a whizzard! I love cheesewhiz. ■■■■.</p>",
)
end
it "censors words even if previous partial matches exist." do
expect_cooked_match(
"you are a whizzer! I love cheesewhiz. Whiz.",
"<p>you are a ■■■■■■■! I love cheesewhiz. ■■■■.</p>",
)
end
it "won't break links by censoring them." do
expect_cooked_match(
"The link still works. [whiz](http://www.whiz.com)",
'<p>The link still works. <a href="http://www.whiz.com" rel="noopener nofollow ugc">■■■■</a></p>',
)
end
it "escapes regexp characters" do
expect_cooked_match("I have a pen, I have an a**le", "<p>I have a pen, I have an ■■■■■</p>")
end
it "works for words ending in non-word characters" do
expect_cooked_match(
"Aw shuck$, I can't fix the problem with money",
"<p>Aw ■■■■■■, I can't fix the problem with money</p>",
)
end
it "works for words ending in accented characters" do
expect_cooked_match("Let's go to a café today", "<p>Let's go to a ■■■■ today</p>")
end
it "works for words starting with non-word characters" do
expect_cooked_match("Discourse is $uper amazing", "<p>Discourse is ■■■■■ amazing</p>")
end
it "handles * as wildcard" do
expect_cooked_match("No badword or apple here plz.", "<p>No ■■■■■■■ or ■■■■■ here plz.</p>")
end
end
context "with watched words as regular expressions" do
before { SiteSetting.watched_words_regular_expressions = true }
it "supports words as regular expressions" do
%w[xyz* plee+ase].each do |word|
Fabricate(:watched_word, action: WatchedWord.actions[:censor], word: word)
end
expect_cooked_match(
"Pleased to meet you, but pleeeease call me later, xyz123",
"<p>Pleased to meet you, but ■■■■■■■■■ call me later, ■■■123</p>",
)
end
it "supports custom boundaries" do
Fabricate(:watched_word, action: WatchedWord.actions[:censor], word: "\\btown\\b")
expect_cooked_match(
"Meet downtown in your town at the townhouse on Main St.",
"<p>Meet downtown in your ■■■■ at the townhouse on Main St.</p>",
)
end
end
end
describe "watched words - replace & link" do
after { Discourse.redis.flushdb }
# Makes sure that mini_racer/libv8-node env doesn't regress
it "finishes in a timely matter" do
sql = 1500.times.map { |i| <<~SQL }.join
INSERT INTO watched_words
(created_at, updated_at, word, action, replacement)
VALUES
(
:now,
:now,
'word_#{i}',
:action,
'replacement_#{i}'
);
SQL
DB.exec(sql, now: Time.current, action: WatchedWord.actions[:replace])
Fabricate(
:watched_word,
action: WatchedWord.actions[:replace],
word: "nope",
replacement: "yep",
)
# Due to a bug in node 18.16 and lower this takes about 11s.
# On node 18.19 and newer it takes about 250ms
expect do
Timeout.timeout(3) do
expect(PrettyText.cook("abc nope def")).to match_html("<p>abc yep def</p>")
end
end.not_to raise_error
end
it "replaces words with other words" do
Fabricate(
:watched_word,
action: WatchedWord.actions[:replace],
word: "dolor sit*",
replacement: "something else",
)
expect(PrettyText.cook("Lorem ipsum dolor sit amet")).to match_html(<<~HTML)
<p>Lorem ipsum something else amet</p>
HTML
expect(PrettyText.cook("Lorem ipsum dolor sits amet")).to match_html(<<~HTML)
<p>Lorem ipsum something else amet</p>
HTML
expect(PrettyText.cook("Lorem ipsum dolor sittt amet")).to match_html(<<~HTML)
<p>Lorem ipsum something else amet</p>
HTML
expect(PrettyText.cook("Lorem ipsum xdolor sit amet")).to match_html(<<~HTML)
<p>Lorem ipsum xdolor sit amet</p>
HTML
end
it "replaces words with wildcards" do
Fabricate(
:watched_word,
action: WatchedWord.actions[:replace],
word: "*dolor*",
replacement: "something else",
)
expect(PrettyText.cook("Lorem ipsum xdolorx sit amet")).to match_html(<<~HTML)
<p>Lorem ipsum something else sit amet</p>
HTML
end
it "replaces words with links" do
Fabricate(
:watched_word,
action: WatchedWord.actions[:link],
word: "meta",
replacement: "https://meta.discourse.org",
)
expect(PrettyText.cook("Meta is a Discourse forum")).to match_html(<<~HTML)
<p>
<a href=\"https://meta.discourse.org\" rel=\"noopener nofollow ugc\">Meta</a>
is a Discourse forum
</p>
HTML
end
it "works with regex" do
Fabricate(
:watched_word,
action: WatchedWord.actions[:replace],
word: "f.o",
replacement: "test",
)
expect(PrettyText.cook("foo")).to match_html("<p>foo</p>")
expect(PrettyText.cook("f.o")).to match_html("<p>test</p>")
SiteSetting.watched_words_regular_expressions = true
expect(PrettyText.cook("foo")).to match_html("<p>test</p>")
expect(PrettyText.cook("f.o")).to match_html("<p>test</p>")
end
it "does not replace hashtags and mentions" do
Fabricate(:user, username: "test")
category = Fabricate(:category, slug: "test", name: "test")
Fabricate(
:watched_word,
action: WatchedWord.actions[:replace],
word: "test",
replacement: "discourse",
)
cooked = PrettyText.cook("@test #test test")
expect(cooked).to have_tag("a", text: "@test", with: { class: "mention", href: "/u/test" })
expect(cooked).to have_tag(
"a",
text: "test",
with: {
class: "hashtag-cooked",
href: "/c/test/#{category.id}",
"data-type": "category",
"data-slug": category.slug,
"data-id": category.id,
},
) do
with_tag("span", with: { class: "hashtag-icon-placeholder" })
end
expect(cooked).to include("discourse")
end
it "does not replace hashtags and mentions when watched words are regular expressions" do
SiteSetting.watched_words_regular_expressions = true
Fabricate(:user, username: "test")
category = Fabricate(:category, slug: "test", name: "test")
Fabricate(
:watched_word,
action: WatchedWord.actions[:replace],
word: "es",
replacement: "discourse",
)
cooked = PrettyText.cook("@test #test test")
expect(cooked).to have_tag("a", text: "@test", with: { class: "mention", href: "/u/test" })
expect(cooked).to have_tag(
"a",
text: "test",
with: {
class: "hashtag-cooked",
href: "/c/test/#{category.id}",
"data-type": "category",
"data-slug": category.slug,
"data-id": category.id,
},
) do
with_tag("span", with: { class: "hashtag-icon-placeholder" })
end
expect(cooked).to include("tdiscourset")
end
it "supports overlapping words" do
Fabricate(
:watched_word,
action: WatchedWord.actions[:link],
word: "meta",
replacement: "https://meta.discourse.org",
)
Fabricate(:watched_word, action: WatchedWord.actions[:replace], word: "iz", replacement: "is")
Fabricate(
:watched_word,
action: WatchedWord.actions[:link],
word: "discourse",
replacement: "https://discourse.org",
)
expect(PrettyText.cook("Meta iz a Discourse forum")).to match_html(<<~HTML)
<p>
<a href="https://meta.discourse.org" rel="noopener nofollow ugc">Meta</a>
is a
<a href="https://discourse.org" rel="noopener nofollow ugc">Discourse</a>
forum
</p>
HTML
end
end
it "supports typographer" do
SiteSetting.enable_markdown_typographer = true
expect(PrettyText.cook("->")).to eq("<p> → </p>")
SiteSetting.enable_markdown_typographer = false
expect(PrettyText.cook("->")).to eq("<p>-&gt;</p>")
end
it "uses quotation marks from site settings" do
SiteSetting.enable_markdown_typographer = true
expect(PrettyText.cook(%q|"Do you know," he said, "what 'Discourse' is?"|)).to eq(
"<p>“Do you know,” he said, “what ‘Discourse’ is?”</p>",
)
SiteSetting.markdown_typographer_quotation_marks = "„|“|‚|‘"
expect(PrettyText.cook(%q|"Weißt du", sagte er, "was 'Discourse' ist?"|)).to eq(
"<p>„Weißt du“, sagte er, „was ‚Discourse‘ ist?“</p>",
)
end
it "handles onebox correctly" do
expect(PrettyText.cook("http://a.com\nhttp://b.com").split("onebox").length).to eq(3)
expect(PrettyText.cook("http://a.com\n\nhttp://b.com").split("onebox").length).to eq(3)
expect(PrettyText.cook("a\nhttp://a.com")).to include("onebox")
expect(PrettyText.cook("> http://a.com")).not_to include("onebox")
expect(PrettyText.cook("a\nhttp://a.com a")).not_to include("onebox")
expect(PrettyText.cook("a\nhttp://a.com\na")).to include("onebox")
expect(PrettyText.cook("http://a.com")).to include("onebox")
expect(PrettyText.cook("http://a.com ")).to include("onebox")
expect(PrettyText.cook("http://a.com a")).not_to include("onebox")
expect(PrettyText.cook("- http://a.com")).not_to include("onebox")
expect(PrettyText.cook("<http://a.com>")).not_to include("onebox")
expect(PrettyText.cook(" http://a.com")).not_to include("onebox")
expect(PrettyText.cook("a\n http://a.com")).not_to include("onebox")
expect(PrettyText.cook("sam@sam.com")).not_to include("onebox")
expect(PrettyText.cook("<img src='a'>\nhttp://a.com")).to include("onebox")
end
it "can handle bbcode" do
expect(PrettyText.cook("a[b]b[/b]c")).to eq('<p>a<span class="bbcode-b">b</span>c</p>')
expect(PrettyText.cook("a[i]b[/i]c")).to eq('<p>a<span class="bbcode-i">b</span>c</p>')
end
it "supports empty inline BBCode" do
expect(PrettyText.cook("a[b][/b]c")).to eq('<p>a<span class="bbcode-b"></span>c</p>')
end
it "can handle bbcode after a newline" do
# this is not 100% ideal cause we get an extra p here, but this is pretty rare
expect(PrettyText.cook("a\n[code]code[/code]")).to eq(
"<p>a</p>\n<pre><code class=\"lang-auto\">code</code></pre>",
)
# this is fine
expect(PrettyText.cook("a\na[code]code[/code]")).to eq("<p>a<br>\na<code>code</code></p>")
end
it "can onebox local topics" do
op = post
reply = Fabricate(:post, topic_id: op.topic_id)
url = Discourse.base_url + reply.url
quote = create_post(topic_id: op.topic.id, raw: "This is a sample reply with a quote\n\n#{url}")
quote.reload
expect(quote.cooked).not_to include("[quote")
end
it "supports tables" do
markdown = <<~MD
| Tables | Are | Cool |
| ------------- |:-------------:| -----:|
| col 3 is | right-aligned | $1600 |
MD
expected = <<~HTML
<div class="md-table">
<table>
<thead>
<tr>
<th>Tables</th>
<th style="text-align:center">Are</th>
<th style="text-align:right">Cool</th>
</tr>
</thead>
<tbody>
<tr>
<td>col 3 is</td>
<td style="text-align:center">right-aligned</td>
<td style="text-align:right">$1600</td>
</tr>
</tbody>
</table>
</div>
HTML
expect(PrettyText.cook(markdown)).to eq(expected.strip)
end
it "supports img bbcode" do
cooked = PrettyText.cook "[img]http://www.image/test.png[/img]"
html = "<p><img src=\"http://www.image/test.png\" alt=\"\" role=\"presentation\"></p>"
expect(cooked).to eq(html)
end
it "supports img bbcode entities in attributes" do
actual = PrettyText.cook "[img]http://aaa.com/?a=1&b=<script>alert(1);</script>[/img]"
expected =
'<p><img src="http://aaa.com/?a=1&b=&lt;script&gt;alert(1);&lt;/script&gt;" alt="" role="presentation"></p>'
expect(expected).to be_same_dom(actual)
end
it "supports email bbcode" do
cooked = PrettyText.cook "[email]sam@sam.com[/email]"
html = '<p><a href="mailto:sam@sam.com" data-bbcode="true">sam@sam.com</a></p>'
expect(cooked).to eq(html)
end
it "supports url bbcode" do
cooked = PrettyText.cook "[url]http://sam.com[/url]"
html =
'<p><a href="http://sam.com" data-bbcode="true" rel="noopener nofollow ugc">http://sam.com</a></p>'
expect(cooked).to eq(html)
end
it "supports nesting tags in url" do
cooked = PrettyText.cook("[url=http://sam.com][b]I am sam[/b][/url]")
html =
'<p><a href="http://sam.com" data-bbcode="true" rel="noopener nofollow ugc"><span class="bbcode-b">I am sam</span></a></p>'
expect(cooked).to eq(html)
end
it "supports query params in bbcode url" do
cooked =
PrettyText.cook(
"[url=https://www.amazon.com/Camcorder-Hausbell-302S-Control-Infrared/dp/B01KLOA1PI/?tag=discourse]BBcode link[/url]",
)
html =
'<p><a href="https://www.amazon.com/Camcorder-Hausbell-302S-Control-Infrared/dp/B01KLOA1PI/?tag=discourse" data-bbcode="true" rel="noopener nofollow ugc">BBcode link</a></p>'
expect(cooked).to eq(html)
end
it "supports inline code bbcode" do
cooked = PrettyText.cook "Testing [code]codified **stuff** and `more` stuff[/code]"
html = "<p>Testing <code>codified **stuff** and `more` stuff</code></p>"
expect(cooked).to eq(html)
end
it "supports block code bbcode" do
cooked = PrettyText.cook "[code]\ncodified\n\n\n **stuff** and `more` stuff\n[/code]"
html = "<pre><code class=\"lang-auto\">codified\n\n\n **stuff** and `more` stuff</code></pre>"
expect(cooked).to eq(html)
end
it "support special handling for space in urls" do
cooked = PrettyText.cook "http://testing.com?a%20b"
html =
'<p><a href="http://testing.com?a%20b" class="onebox" target="_blank" rel="noopener nofollow ugc">http://testing.com?a%20b</a></p>'
expect(cooked).to eq(html)
end
it "supports onebox for decoded urls" do
cooked = PrettyText.cook "http://testing.com?a%50b"
html =
'<p><a href="http://testing.com?a%50b" class="onebox" target="_blank" rel="noopener nofollow ugc">http://testing.com?aPb</a></p>'
expect(cooked).to eq(html)
end
it "should sanitize the html" do
expect(PrettyText.cook("<test>alert(42)</test>")).to eq "<p>alert(42)</p>"
end
it "should not onebox magically linked urls" do
expect(PrettyText.cook("[url]site.com[/url]")).not_to include("onebox")
end
it "should sanitize the html" do
expect(PrettyText.cook("<p class='hi'>hi</p>")).to eq "<p>hi</p>"
end
it "should strip SCRIPT" do
expect(PrettyText.cook("<script>alert(42)</script>")).to eq ""
expect(PrettyText.cook("<div><script>alert(42)</script></div>")).to eq "<div></div>"
end
it "strips script regardless of sanitize" do
expect(
PrettyText.cook("<div><script>alert(42)</script></div>", sanitize: false),
).to eq "<div></div>"
end
it "should allow sanitize bypass" do
expect(
PrettyText.cook("<test>alert(42)</test>", sanitize: false),
).to eq "<p><test>alert(42)</test></p>"
end
# custom rule used to specify image dimensions via alt tags
describe "image dimensions" do
it "allows title plus dimensions" do
cooked = PrettyText.cook <<~MD
![title with | title|220x100](http://png.com/my.png)
![](http://png.com/my.png)
![|220x100](http://png.com/my.png)
![stuff](http://png.com/my.png)
![|220x100,50%](http://png.com/my.png "some title")
MD
html = <<~HTML
<p><img src="http://png.com/my.png" alt="title with | title" width="220" height="100"><br>
<img src="http://png.com/my.png" alt="" role="presentation"><br>
<img src="http://png.com/my.png" alt="" width="220" height="100" role="presentation"><br>
<img src="http://png.com/my.png" alt="stuff"><br>
<img src="http://png.com/my.png" alt="" title="some title" width="110" height="50" role="presentation"></p>
HTML
expect(cooked).to eq(html.strip)
end
it "ignores whitespace and allows scaling by percent, width, height" do
cooked = PrettyText.cook <<~MD
![|220x100, 50%](http://png.com/my.png)
![|220x100 , 50%](http://png.com/my.png)
![|220x100 ,50%](http://png.com/my.png)
![|220x100,150x](http://png.com/my.png)
![|220x100, x50](http://png.com/my.png)
MD
html = <<~HTML
<p><img src="http://png.com/my.png" alt="" width="110" height="50" role="presentation"><br>
<img src="http://png.com/my.png" alt="" width="110" height="50" role="presentation"><br>
<img src="http://png.com/my.png" alt="" width="110" height="50" role="presentation"><br>
<img src="http://png.com/my.png" alt="" width="150" height="68" role="presentation"><br>
<img src="http://png.com/my.png" alt="" width="110" height="50" role="presentation"></p>
HTML
expect(cooked).to eq(html.strip)
end
end
describe "upload decoding" do
it "can decode upload:// for default setup" do
set_cdn_url("https://cdn.com")
upload = Fabricate(:upload)
raw = <<~RAW
![upload](#{upload.short_url})
![upload](#{upload.short_url} "some title to test")
- ![upload](#{upload.short_url})
- test
- ![upload](#{upload.short_url})
![upload](#{upload.short_url.gsub(".png", "")})
Inline img <img src="#{upload.short_url}">
<div>
Block img <img src="#{upload.short_url}">
</div>
[some attachment](#{upload.short_url})
[some attachment|attachment](#{upload.short_url})
[some attachment|random](#{upload.short_url})
RAW
cdn_url = Discourse.store.cdn_url(upload.url)
cooked = <<~HTML
<p><img src="#{cdn_url}" alt="upload" data-base62-sha1="#{upload.base62_sha1}"></p>
<p><img src="#{cdn_url}" alt="upload" title="some title to test" data-base62-sha1="#{upload.base62_sha1}"></p>
<ul>
<li>
<p><img src="#{cdn_url}" alt="upload" data-base62-sha1="#{upload.base62_sha1}"></p>
</li>
<li>
<p>test</p>
<ul>
<li><img src="#{cdn_url}" alt="upload" data-base62-sha1="#{upload.base62_sha1}"></li>
</ul>
</li>
</ul>
<p><img src="#{cdn_url}" alt="upload" data-base62-sha1="#{upload.base62_sha1}"></p>
<p>Inline img <img src="#{cdn_url}" data-base62-sha1="#{upload.base62_sha1}"></p>
<div>
Block img <img src="#{cdn_url}" data-base62-sha1="#{upload.base62_sha1}">
</div>
<p><a href="#{upload.short_path}">some attachment</a></p>
<p><a class="attachment" href="#{upload.short_path}">some attachment</a></p>
<p><a href="#{upload.short_path}">some attachment|random</a></p>
HTML
expect(PrettyText.cook(raw)).to eq(cooked.strip)
end
it "can place a blank image if we can not find the upload" do
raw = <<~MD
![upload](upload://abcABC.png)
[some attachment|attachment](upload://abcdefg.png)
MD
cooked = <<~HTML
<p><img src="/images/transparent.png" alt="upload" data-orig-src="upload://abcABC.png"></p>
<p><a class="attachment" href="/404" data-orig-href="upload://abcdefg.png">some attachment</a></p>
HTML
expect(PrettyText.cook(raw)).to eq(cooked.strip)
end
end
it "can properly allowlist iframes" do
SiteSetting.allowed_iframes = "https://bob.com/a|http://silly.com/?EMBED="
raw = <<~HTML
<iframe src='https://www.google.com/maps/Embed?testing'></iframe>
<iframe src='https://bob.com/a?testing'></iframe>
<iframe src='HTTP://SILLY.COM/?EMBED=111'></iframe>
HTML
# we require explicit HTTPS here
html = <<~HTML
<iframe src="https://bob.com/a?testing"></iframe>
<iframe src="HTTP://SILLY.COM/?EMBED=111"></iframe>
HTML
cooked = PrettyText.cook(raw).strip
expect(cooked).to eq(html.strip)
end
it "can skip relative paths in allowlist iframes" do
SiteSetting.allowed_iframes = "https://bob.com/abc/def"
raw = <<~HTML
<iframe src='https://bob.com/abc/def'></iframe>
<iframe src='https://bob.com/abc/def/../ghi'></iframe>
<iframe src='https://bob.com/abc/def/ghi/../../jkl'></iframe>
HTML
html = <<~HTML
<iframe src="https://bob.com/abc/def"></iframe>
HTML
expect(PrettyText.cook(raw).strip).to eq(html.strip)
end
it "You can disable linkify" do
md = "www.cnn.com test.it http://test.com https://test.ab https://a"
cooked = PrettyText.cook(md)
html = <<~HTML
<p><a href="http://www.cnn.com" rel="noopener nofollow ugc">www.cnn.com</a> test.it <a href="http://test.com" rel="noopener nofollow ugc">http://test.com</a> <a href="https://test.ab" rel="noopener nofollow ugc">https://test.ab</a> <a href="https://a" rel="noopener nofollow ugc">https://a</a></p>
HTML
expect(cooked).to eq(html.strip)
# notice how cnn.com is no longer linked but it is
SiteSetting.markdown_linkify_tlds = "not_com|it"
cooked = PrettyText.cook(md)
html = <<~HTML
<p>www.cnn.com <a href="http://test.it" rel="noopener nofollow ugc">test.it</a> <a href="http://test.com" rel="noopener nofollow ugc">http://test.com</a> <a href="https://test.ab" rel="noopener nofollow ugc">https://test.ab</a> <a href="https://a" rel="noopener nofollow ugc">https://a</a></p>
HTML
expect(cooked).to eq(html.strip)
# no tlds anymore
SiteSetting.markdown_linkify_tlds = ""
cooked = PrettyText.cook(md)
html = <<~HTML
<p>www.cnn.com test.it <a href="http://test.com" rel="noopener nofollow ugc">http://test.com</a> <a href="https://test.ab" rel="noopener nofollow ugc">https://test.ab</a> <a href="https://a" rel="noopener nofollow ugc">https://a</a></p>
HTML
expect(cooked).to eq(html.strip)
# lastly ... what about no linkify
SiteSetting.enable_markdown_linkify = false
cooked = PrettyText.cook(md)
html = <<~HTML
<p>www.cnn.com test.it http://test.com https://test.ab https://a</p>
HTML
end
it "has a proper data whitelist on div" do
cooked = PrettyText.cook("<div data-theme-a='a'>test</div>")
expect(cooked).to include("data-theme-a")
end
it "allowlists lang attribute" do
cooked =
PrettyText.cook(
"<p lang='fr'>tester</p><div lang='fr'>tester</div><span lang='fr'>tester</span>",
)
expect(cooked).to eq(
"<p lang=\"fr\">tester</p><div lang=\"fr\">tester</div><span lang=\"fr\">tester</span>",
)
end
it "allowlists ruby tags" do
# read all about ruby chars at: https://en.wikipedia.org/wiki/Ruby_character
# basically it is super hard to remember every single rare letter when there are
# so many, so ruby tags provide a hint.
#
html = (<<~MD).strip
<ruby lang="je">
<rb lang="je">X</rb>
漢 <rp>(</rp><rt lang="je"> ㄏㄢˋ </rt><rp>)</rp>
</ruby>
MD
cooked = PrettyText.cook html
expect(cooked).to eq(html)
end
describe "d-wrap" do
it "wraps the [wrap] tag inline" do
cooked = PrettyText.cook("[wrap=toc]taco[/wrap]")
html = <<~HTML
<div class="d-wrap" data-wrap="toc">
<p>taco</p>
</div>
HTML
expect(cooked).to eq(html.strip)
cooked = PrettyText.cook("Hello [wrap=toc id=1]taco[/wrap] world")
html = <<~HTML
<p>Hello <span class="d-wrap" data-id="1" data-wrap="toc">taco</span> world</p>
HTML
expect(cooked).to eq(html.strip)
end
it "wraps the [wrap] tag in block" do
# can interfere with parsing
SiteSetting.enable_markdown_typographer = true
md = <<~MD
[wrap=toc id=“a” aa='b"' bb="f'"]
taco1
[/wrap]
MD
cooked = PrettyText.cook(md)
html = <<~HTML
<div class="d-wrap" data-aa="b&amp;quot;" data-bb="f'" data-id="a" data-wrap="toc">
<p>taco1</p>
</div>
HTML
expect(cooked).to eq(html.strip)
end
it "wraps the [wrap] tag without content" do
md = <<~MD
[wrap=toc]
[/wrap]
MD
cooked = PrettyText.cook(md)
html = <<~HTML
<div class="d-wrap" data-wrap="toc"></div>
HTML
expect(cooked).to eq(html.strip)
end
it "adds attributes as data-attributes" do
cooked = PrettyText.cook("[wrap=toc name=\"single quote's\" id='1\"2']taco[/wrap]")
html = <<~HTML
<div class="d-wrap" data-id="1&amp;quot;2" data-name="single quote's" data-wrap="toc">
<p>taco</p>
</div>
HTML
expect(cooked).to eq(html.strip)
end
it "prevents xss" do
cooked = PrettyText.cook('[wrap=toc foo="<script>console.log(1)</script>"]taco[/wrap]')
html = <<~HTML
<div class="d-wrap" data-foo="&amp;lt;script&amp;gt;console.log(1)&amp;lt;/script&amp;gt;" data-wrap="toc">
<p>taco</p>
</div>
HTML
expect(cooked).to eq(html.strip)
end
it "allows a limited set of attributes chars" do
cooked = PrettyText.cook('[wrap=toc fo@"èk-"!io=bar]taco[/wrap]')
html = <<~HTML
<p>[wrap=toc fo@"èk-"!io=bar]taco[/wrap]</p>
HTML
expect(cooked).to eq(html.strip)
end
end
it "adds anchor links to headings" do
cooked = PrettyText.cook("# Hello world")
html = <<~HTML
<h1>
<a name="hello-world-1" class="anchor" href="#hello-world-1"></a>
Hello world
</h1>
HTML
expect(cooked).to match_html(html)
end
describe "customizing markdown-it rules" do
it "customizes the markdown-it rules correctly" do
cooked = PrettyText.cook("This is some text **bold**", markdown_it_rules: [])
expect(cooked).to eq("<p>This is some text **bold**</p>")
cooked = PrettyText.cook("This is some text **bold**", markdown_it_rules: ["emphasis"])
expect(cooked).to eq("<p>This is some text <strong>bold</strong></p>")
end
end
describe "enabling/disabling features" do
it "allows features to be overridden" do
cooked = PrettyText.cook(":grin: @mention", features_override: [])
expect(cooked).to eq("<p>:grin: @mention</p>")
cooked = PrettyText.cook(":grin: @mention", features_override: ["emoji"])
expect(cooked).to eq(
"<p><img src=\"/images/emoji/twitter/grin.png?v=#{Emoji::EMOJI_VERSION}\" title=\":grin:\" class=\"emoji\" alt=\":grin:\" loading=\"lazy\" width=\"20\" height=\"20\"> @mention</p>",
)
cooked = PrettyText.cook(":grin: @mention", features_override: %w[mentions text-post-process])
expect(cooked).to eq("<p>:grin: <span class=\"mention\">@mention</span></p>")
end
end
it "does not amend HTML when scrubbing" do
md = <<~MD
<s>\n\nhello\n\n</s>
MD
html = <<~HTML
<s>\n<p>hello</p>\n</s>
HTML
cooked = PrettyText.cook(md)
expect(cooked.strip).to eq(html.strip)
end
it "handles deprecations correctly" do
Rails
.logger
.expects(:warn)
.once
.with("[PrettyText] Deprecation notice: Some deprecation message")
PrettyText.v8.eval <<~JS
require("discourse-common/lib/deprecated").default("Some deprecation message");
JS
end
end
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