218 lines
8.0 KiB
Ruby
218 lines
8.0 KiB
Ruby
# frozen_string_literal: true
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require 'rails_helper'
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require 'email'
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describe Email::Styles do
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def basic_fragment(html)
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styler = Email::Styles.new(html)
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styler.format_basic
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Nokogiri::HTML.fragment(styler.to_html)
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end
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def html_fragment(html)
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styler = Email::Styles.new(html)
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styler.format_basic
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styler.format_html
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Nokogiri::HTML.fragment(styler.to_html)
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end
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context "basic formatter" do
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it "works with an empty string" do
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style = Email::Styles.new("")
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style.format_basic
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expect(style.to_html).to be_blank
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end
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it "adds a max-width to large images" do
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frag = basic_fragment("<img height='auto' width='auto' src='gigantic.jpg'>")
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expect(frag.at("img")["style"]).to match("max-width")
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end
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it "adds a width and height to emojis" do
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frag = basic_fragment("<img src='/images/emoji/fish.png' class='emoji'>")
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expect(frag.at("img")["width"]).to eq("20")
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expect(frag.at("img")["height"]).to eq("20")
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end
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it "adds a width and height to custom emojis" do
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frag = basic_fragment("<img src='/uploads/default/_emoji/fish.png' class='emoji emoji-custom'>")
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expect(frag.at("img")["width"]).to eq("20")
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expect(frag.at("img")["height"]).to eq("20")
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end
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it "converts relative paths to absolute paths" do
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frag = basic_fragment("<img src='/some-image.png'>")
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expect(frag.at("img")["src"]).to eq("#{Discourse.base_url}/some-image.png")
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end
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it "strips classes and ids" do
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frag = basic_fragment("<div class='foo' id='bar'><div class='foo' id='bar'></div></div>")
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expect(frag.to_html).to eq("<div><div></div></div>")
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end
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end
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context "html template formatter" do
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it "works with an empty string" do
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style = Email::Styles.new("")
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style.format_html
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expect(style.to_html).to be_blank
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end
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it "attaches a style to h3 tags" do
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frag = html_fragment("<h3>hello</h3>")
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expect(frag.at('h3')['style']).to be_present
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end
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it "attaches a style to hr tags" do
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frag = html_fragment("hello<hr>")
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expect(frag.at('hr')['style']).to be_present
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end
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it "attaches a style to a tags" do
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frag = html_fragment("<a href>wat</a>")
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expect(frag.at('a')['style']).to be_present
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end
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it "attaches a style to a tags" do
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frag = html_fragment("<a href>wat</a>")
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expect(frag.at('a')['style']).to be_present
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end
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it "attaches a style to ul and li tags" do
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frag = html_fragment("<ul><li>hello</li></ul>")
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expect(frag.at('ul')['style']).to be_present
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expect(frag.at('li')['style']).to be_present
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end
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it "converts iframes to links" do
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iframe_url = "http://www.youtube.com/embed/7twifrxOTQY?feature=oembed&wmode=opaque"
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frag = html_fragment("<iframe src=\"#{iframe_url}\"></iframe>")
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expect(frag.at('iframe')).to be_blank
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expect(frag.at('a')).to be_present
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expect(frag.at('a')['href']).to eq(iframe_url)
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end
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it "won't allow non URLs in iframe src, strips them with no link" do
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iframe_url = "alert('xss hole')"
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frag = html_fragment("<iframe src=\"#{iframe_url}\"></iframe>")
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expect(frag.at('iframe')).to be_blank
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expect(frag.at('a')).to be_blank
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end
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it "won't allow empty iframe src, strips them with no link" do
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frag = html_fragment("<iframe src=''></iframe>")
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expect(frag.at('iframe')).to be_blank
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expect(frag.at('a')).to be_blank
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end
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it "prefers data-original-href attribute to get iframe link" do
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original_url = "https://vimeo.com/329875646/85f1546a42"
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iframe_url = "https://player.vimeo.com/video/329875646"
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frag = html_fragment("<iframe src=\"#{iframe_url}\" data-original-href=\"#{original_url}\"></iframe>")
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expect(frag.at('iframe')).to be_blank
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expect(frag.at('a')).to be_present
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expect(frag.at('a')['href']).to eq(original_url)
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end
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end
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context "rewriting protocol relative URLs to the forum" do
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it "doesn't rewrite a url to another site" do
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frag = html_fragment('<a href="//youtube.com/discourse">hello</a>')
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expect(frag.at('a')['href']).to eq("//youtube.com/discourse")
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end
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context "without https" do
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before do
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SiteSetting.force_https = false
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end
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it "rewrites the href to have http" do
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frag = html_fragment('<a href="//test.localhost/discourse">hello</a>')
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expect(frag.at('a')['href']).to eq("http://test.localhost/discourse")
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end
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it "rewrites the href for attachment files to have http" do
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frag = html_fragment('<a class="attachment" href="//try-discourse.global.ssl.fastly.net/uploads/default/368/40b610b0aa90cfcf.txt">attachment_file.txt</a>')
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expect(frag.at('a')['href']).to eq("http://try-discourse.global.ssl.fastly.net/uploads/default/368/40b610b0aa90cfcf.txt")
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end
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it "rewrites the src to have http" do
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frag = html_fragment('<img src="//test.localhost/blah.jpg">')
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expect(frag.at('img')['src']).to eq("http://test.localhost/blah.jpg")
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end
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end
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context "with https" do
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before do
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SiteSetting.force_https = true
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end
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it "rewrites the forum URL to have https" do
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frag = html_fragment('<a href="//test.localhost/discourse">hello</a>')
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expect(frag.at('a')['href']).to eq("https://test.localhost/discourse")
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end
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it "rewrites the href for attachment files to have https" do
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frag = html_fragment('<a class="attachment" href="//try-discourse.global.ssl.fastly.net/uploads/default/368/40b610b0aa90cfcf.txt">attachment_file.txt</a>')
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expect(frag.at('a')['href']).to eq("https://try-discourse.global.ssl.fastly.net/uploads/default/368/40b610b0aa90cfcf.txt")
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end
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it "rewrites the src to have https" do
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frag = html_fragment('<img src="//test.localhost/blah.jpg">')
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expect(frag.at('img')['src']).to eq("https://test.localhost/blah.jpg")
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end
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end
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end
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context "strip_avatars_and_emojis" do
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it "works for lonesome emoji with no title" do
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emoji = "<img src='/images/emoji/emoji_one/crying_cat_face.png'>"
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style = Email::Styles.new(emoji)
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style.strip_avatars_and_emojis
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expect(style.to_html).to match_html(emoji)
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end
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it "works for lonesome emoji with title" do
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emoji = "<img title='cry_cry' src='/images/emoji/emoji_one/crying_cat_face.png'>"
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style = Email::Styles.new(emoji)
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style.strip_avatars_and_emojis
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expect(style.to_html).to match_html("cry_cry")
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end
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it "works if img tag has no attrs" do
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cooked = "Create a method for click on image and use ng-click in <img> in your slide box...it is simple"
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style = Email::Styles.new(cooked)
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style.strip_avatars_and_emojis
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expect(style.to_html).to eq(cooked)
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end
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end
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context "onebox_styles" do
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it "renders quote as <blockquote>" do
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fragment = html_fragment('<aside class="quote"> <div class="title"> <div class="quote-controls"> <i class="fa fa-chevron-down" title="expand/collapse"></i><a href="/t/xyz/123" title="go to the quoted post" class="back"></a> </div> <img alt="" width="20" height="20" src="https://cdn-enterprise.discourse.org/boingboing/user_avatar/bbs.boingboing.net/techapj/40/54379_1.png" class="avatar">techAPJ: </div> <blockquote> <p>lorem ipsum</p> </blockquote> </aside>')
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expect(fragment.to_s.squish).to match(/^<blockquote.+<\/blockquote>$/)
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end
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end
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context "replace_relative_urls" do
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it "replaces secure media within a link with a placeholder" do
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frag = html_fragment("<a href=\"#{Discourse.base_url}\/secure-media-uploads/original/1X/testimage.png\"><img src=\"/secure-media-uploads/original/1X/testimage.png\"></a>")
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expect(frag.at('p.secure-media-notice')).to be_present
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expect(frag.at('img')).not_to be_present
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expect(frag.at('a')).not_to be_present
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end
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it "replaces secure images with a placeholder" do
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frag = html_fragment("<img src=\"/secure-media-uploads/original/1X/testimage.png\">")
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expect(frag.at('p.secure-media-notice')).to be_present
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expect(frag.at('img')).not_to be_present
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end
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end
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end
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