discourse/spec/lib/oneboxer_spec.rb

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# frozen_string_literal: true
RSpec.describe Oneboxer do
def response(file)
file = File.join("spec", "fixtures", "onebox", "#{file}.response")
File.exist?(file) ? File.read(file) : ""
end
it "returns blank string for an invalid onebox" do
stub_request(:head, "http://boom.com")
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stub_request(:get, "http://boom.com").to_return(body: "")
expect(Oneboxer.preview("http://boom.com", invalidate_oneboxes: true)).to include(
"Sorry, we were unable to generate a preview for this web page",
)
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expect(Oneboxer.onebox("http://boom.com")).to eq("")
end
describe "#invalidate" do
let(:url) { "http://test.com" }
it "clears the cached preview for the onebox URL and the failed URL cache" do
Discourse.cache.write(Oneboxer.onebox_cache_key(url), "test")
Discourse.cache.write(Oneboxer.onebox_failed_cache_key(url), true)
Oneboxer.invalidate(url)
expect(Discourse.cache.read(Oneboxer.onebox_cache_key(url))).to eq(nil)
expect(Discourse.cache.read(Oneboxer.onebox_failed_cache_key(url))).to eq(nil)
end
end
describe "local oneboxes" do
def link(url)
url = "#{Discourse.base_url}#{url}"
%{<a href="#{url}">#{url}</a>}
end
def preview(url, user = nil, category = nil, topic = nil)
Oneboxer.preview(
"#{Discourse.base_url}#{url}",
user_id: user&.id,
category_id: category&.id,
topic_id: topic&.id,
).to_s
end
it "links to a topic/post" do
staff = Fabricate(:user)
Group[:staff].add(staff)
secured_category = Fabricate(:category)
secured_category.permissions = { staff: :full }
secured_category.save!
replier = Fabricate(:user)
public_post = Fabricate(:post, raw: "This post has an emoji :+1:")
public_topic = public_post.topic
public_reply = Fabricate(:post, topic: public_topic, post_number: 2, user: replier)
public_hidden = Fabricate(:post, topic: public_topic, post_number: 3, hidden: true)
public_moderator_action =
Fabricate(
:post,
topic: public_topic,
post_number: 4,
user: staff,
post_type: Post.types[:moderator_action],
)
user = public_post.user
public_category = public_topic.category
secured_topic = Fabricate(:topic, user: staff, category: secured_category)
secured_post = Fabricate(:post, user: staff, topic: secured_topic)
secured_reply = Fabricate(:post, user: staff, topic: secured_topic, post_number: 2)
expect(preview(public_topic.relative_url, user, public_category)).to include(
public_topic.title,
)
onebox = preview(public_post.url, user, public_category)
expect(onebox).to include(public_topic.title)
expect(onebox).to include("/images/emoji/")
onebox = preview(public_reply.url, user, public_category)
expect(onebox).to include(public_reply.excerpt)
expect(onebox).to include(%{data-post="2"})
expect(onebox).to include(PrettyText.avatar_img(replier.avatar_template_url, "tiny"))
short_url = "#{Discourse.base_path}/t/#{public_topic.id}"
expect(preview(short_url, user, public_category)).to include(public_topic.title)
onebox = preview(public_moderator_action.url, user, public_category)
expect(onebox).to include(public_moderator_action.excerpt)
expect(onebox).to include(%{data-post="4"})
expect(onebox).to include(PrettyText.avatar_img(staff.avatar_template_url, "tiny"))
onebox = preview(public_reply.url, user, public_category, public_topic)
expect(onebox).not_to include(public_topic.title)
expect(onebox).to include(replier.avatar_template_url.sub("{size}", "48"))
expect(preview(public_hidden.url, user, public_category)).to match_html(
link(public_hidden.url),
)
expect(preview(secured_topic.relative_url, user, public_category)).to match_html(
link(secured_topic.relative_url),
)
expect(preview(secured_post.url, user, public_category)).to match_html(link(secured_post.url))
expect(preview(secured_reply.url, user, public_category)).to match_html(
link(secured_reply.url),
)
expect(preview(public_topic.relative_url, user, secured_category)).to match_html(
link(public_topic.relative_url),
)
expect(preview(public_reply.url, user, secured_category)).to match_html(
link(public_reply.url),
)
expect(preview(secured_post.url, user, secured_category)).to match_html(
link(secured_post.url),
)
expect(preview(secured_reply.url, user, secured_category)).to match_html(
link(secured_reply.url),
)
expect(preview(public_topic.relative_url, staff, secured_category)).to include(
public_topic.title,
)
expect(preview(public_post.url, staff, secured_category)).to include(public_topic.title)
expect(preview(public_reply.url, staff, secured_category)).to include(public_reply.excerpt)
expect(preview(public_hidden.url, staff, secured_category)).to match_html(
link(public_hidden.url),
)
expect(preview(secured_topic.relative_url, staff, secured_category)).to include(
secured_topic.title,
)
expect(preview(secured_post.url, staff, secured_category)).to include(secured_topic.title)
expect(preview(secured_reply.url, staff, secured_category)).to include(secured_reply.excerpt)
expect(preview(secured_reply.url, staff, secured_category, secured_topic)).not_to include(
secured_topic.title,
)
end
it "links to an user profile" do
user = Fabricate(:user)
expect(preview("/u/does-not-exist")).to match_html(link("/u/does-not-exist"))
expect(preview("/u/#{user.username}")).to include(user.name)
end
it "should respect enable_names site setting" do
user = Fabricate(:user)
SiteSetting.enable_names = true
expect(preview("/u/#{user.username}")).to include(user.name)
SiteSetting.enable_names = false
expect(preview("/u/#{user.username}")).not_to include(user.name)
end
it "links to an upload" do
path = "/uploads/default/original/3X/e/8/e8fcfa624e4fb6623eea57f54941a58ba797f14d"
expect(preview("#{path}.pdf")).to match_html(link("#{path}.pdf"))
expect(preview("#{path}.MP3")).to include("<audio ")
expect(preview("#{path}.mov")).to include("<video ")
end
it "strips HTML from user profile location" do
user = Fabricate(:user)
profile = user.reload.user_profile
expect(preview("/u/#{user.username}")).not_to include("<span class=\"location\">")
profile.update!(location: "<img src=x onerror=alert(document.domain)>")
expect(preview("/u/#{user.username}")).to include("<span class=\"location\">")
expect(preview("/u/#{user.username}")).not_to include("<img src=x")
profile.update!(location: "Thunderland")
expect(preview("/u/#{user.username}")).to include("Thunderland")
end
it "includes hashtag HTML" do
SiteSetting.enable_experimental_hashtag_autocomplete = true
category = Fabricate(:category, slug: "random")
tag = Fabricate(:tag, name: "bug")
public_post = Fabricate(:post, raw: "This post has some hashtags, #random and #bug")
preview =
Nokogiri::HTML5
.fragment(preview(public_post.url).chomp)
.css("blockquote")
.inner_html
.chomp
.strip
expect(preview).to include("This post has some hashtags")
expect(preview).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(preview).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
end
end
describe ".onebox_raw" do
it "should escape the onebox URL before processing" do
post = Fabricate(:post, raw: Discourse.base_url + "/new?'class=black")
cpp = CookedPostProcessor.new(post, invalidate_oneboxes: true)
cpp.post_process_oneboxes
expect(cpp.html).to eq(
"<p><a href=\"#{Discourse.base_url}/new?%27class=black\">http://test.localhost/new?%27class=black</a></p>",
)
end
it "escapes URLs of local audio uploads" do
result =
described_class.onebox_raw(
"#{Discourse.base_url}/uploads/default/original/1X/a1c31803be81b85ecafc4f77b1008eee9b3b82f4.wav#'<>",
)
expect(result[:onebox]).to eq(<<~HTML)
<audio controls>
<source src='http://test.localhost/uploads/default/original/1X/a1c31803be81b85ecafc4f77b1008eee9b3b82f4.wav#&apos;%3C%3E'>
<a href='http://test.localhost/uploads/default/original/1X/a1c31803be81b85ecafc4f77b1008eee9b3b82f4.wav#&apos;%3C%3E'>
http://test.localhost/uploads/default/original/1X/a1c31803be81b85ecafc4f77b1008eee9b3b82f4.wav#&apos;%3C%3E
</a>
</audio>
HTML
expect(result[:preview]).to eq(<<~HTML)
<audio controls>
<source src='http://test.localhost/uploads/default/original/1X/a1c31803be81b85ecafc4f77b1008eee9b3b82f4.wav#&apos;%3C%3E'>
<a href='http://test.localhost/uploads/default/original/1X/a1c31803be81b85ecafc4f77b1008eee9b3b82f4.wav#&apos;%3C%3E'>
http://test.localhost/uploads/default/original/1X/a1c31803be81b85ecafc4f77b1008eee9b3b82f4.wav#&apos;%3C%3E
</a>
</audio>
HTML
end
it "escapes URLs of local video uploads" do
result =
described_class.onebox_raw(
"#{Discourse.base_url}/uploads/default/original/1X/a1c31803be81b85ecafc4f77b1008eee9b3b82f4.mp4#'<>",
)
expect(result[:onebox]).to eq(<<~HTML)
<div class="onebox video-onebox">
<video width="100%" height="100%" controls="">
<source src='http://test.localhost/uploads/default/original/1X/a1c31803be81b85ecafc4f77b1008eee9b3b82f4.mp4#&apos;%3C%3E'>
<a href='http://test.localhost/uploads/default/original/1X/a1c31803be81b85ecafc4f77b1008eee9b3b82f4.mp4#&apos;%3C%3E'>
http://test.localhost/uploads/default/original/1X/a1c31803be81b85ecafc4f77b1008eee9b3b82f4.mp4#&apos;%3C%3E
</a>
</video>
</div>
HTML
expect(result[:preview]).to eq(<<~HTML)
<div class="onebox video-onebox">
<video width="100%" height="100%" controls="">
<source src='http://test.localhost/uploads/default/original/1X/a1c31803be81b85ecafc4f77b1008eee9b3b82f4.mp4#&apos;%3C%3E'>
<a href='http://test.localhost/uploads/default/original/1X/a1c31803be81b85ecafc4f77b1008eee9b3b82f4.mp4#&apos;%3C%3E'>
http://test.localhost/uploads/default/original/1X/a1c31803be81b85ecafc4f77b1008eee9b3b82f4.mp4#&apos;%3C%3E
</a>
</video>
</div>
HTML
end
it "escapes URLs of generic local links" do
result = described_class.onebox_raw("#{Discourse.base_url}/g/somegroup#'onerror='")
expect(result[:onebox]).to eq(
"<a href='http://test.localhost/g/somegroup#&apos;onerror=&apos;'>http://test.localhost/g/somegroup#&apos;onerror=&apos;</a>",
)
expect(result[:preview]).to eq(
"<a href='http://test.localhost/g/somegroup#&apos;onerror=&apos;'>http://test.localhost/g/somegroup#&apos;onerror=&apos;</a>",
)
end
end
describe ".external_onebox" do
html = <<~HTML
<html>
<head>
<meta property="og:title" content="Cats">
<meta property="og:description" content="Meow">
</head>
<body>
<p>body</p>
</body>
<html>
HTML
context "with blacklisted domains" do
it "does not return a onebox if redirect uri final destination is in blacklist" do
SiteSetting.blocked_onebox_domains = "kitten.com"
stub_request(:get, "http://cat.com/meow").to_return(
status: 301,
body: "",
headers: {
"location" => "https://kitten.com",
},
)
stub_request(:head, "http://cat.com/meow").to_return(
status: 301,
body: "",
headers: {
"location" => "https://kitten.com",
},
)
stub_request(:get, "https://kitten.com").to_return(status: 200, body: html, headers: {})
stub_request(:head, "https://kitten.com").to_return(status: 200, body: "", headers: {})
result = Oneboxer.external_onebox("http://cat.com/meow")
expect(result[:onebox]).to be_empty
expect(result[:preview]).to be_empty
result = Oneboxer.external_onebox("http://kitten.com")
expect(result[:onebox]).to be_empty
expect(result[:preview]).to be_empty
end
it "does not return onebox if anything in the redirect chain is blocked" do
SiteSetting.blocked_onebox_domains = "middle.com"
stub_request(:get, "https://cat.com/start").to_return(
status: 301,
body: "a",
headers: {
"location" => "https://middle.com/midway",
},
)
stub_request(:head, "https://cat.com/start").to_return(
status: 301,
body: "a",
headers: {
"location" => "https://middle.com/midway",
},
)
stub_request(:head, "https://middle.com/midway").to_return(
status: 301,
body: "b",
headers: {
"location" => "https://cat.com/end",
},
)
stub_request(:get, "https://cat.com/end").to_return(status: 200, body: html)
stub_request(:head, "https://cat.com/end").to_return(status: 200, body: "", headers: {})
result = Oneboxer.external_onebox("https://cat.com/start")
expect(result[:onebox]).to be_empty
expect(result[:preview]).to be_empty
end
it "does not return onebox if the Discourse-No-Onebox header == 1" do
stub_request(:get, "https://website.com/discourse-no-onebox").to_return(
status: 200,
body: "abc",
headers: {
"Discourse-No-Onebox" => "1",
},
)
stub_request(:head, "https://website.com/discourse-no-onebox").to_return(
status: 200,
body: "",
headers: {
"Discourse-No-Onebox" => "1",
},
)
result = Oneboxer.external_onebox("https://website.com/discourse-no-onebox")
expect(result[:onebox]).to be_empty
expect(result[:preview]).to be_empty
end
it "does not return onebox if the Discourse-No-Onebox header == 1 anywhere in the redirect chain" do
stub_request(:get, "https://website.com/redirect-no-onebox").to_return(
status: 301,
body: "",
headers: {
"Discourse-No-Onebox" => "1",
"location" => "https://willneverreach.com",
},
)
stub_request(:head, "https://website.com/redirect-no-onebox").to_return(
status: 301,
body: "",
headers: {
"Discourse-No-Onebox" => "1",
"location" => "https://willneverreach.com",
},
)
result = Oneboxer.external_onebox("https://website.com/redirect-no-onebox")
expect(result[:onebox]).to be_empty
expect(result[:preview]).to be_empty
stub_request(:get, "https://website.com/redirect").to_return(
status: 301,
body: "",
headers: {
"location" => "https://website.com/redirect/dont-onebox",
},
)
stub_request(:head, "https://website.com/redirect").to_return(
status: 301,
body: "",
headers: {
"location" => "https://website.com/redirect/dont-onebox",
},
)
stub_request(:get, "https://website.com/redirect/dont-onebox").to_return(
status: 301,
body: "",
headers: {
"Discourse-No-Onebox" => "1",
"location" => "https://wontreachme.com",
},
)
stub_request(:head, "https://website.com/redirect/dont-onebox").to_return(
status: 301,
body: "",
headers: {
"Discourse-No-Onebox" => "1",
"location" => "https://wontreachme.com",
},
)
result = Oneboxer.external_onebox("https://website.com/redirect")
expect(result[:onebox]).to be_empty
expect(result[:preview]).to be_empty
end
end
context "when block_onebox_on_redirect setting is enabled" do
before do
Discourse.cache.clear
SiteSetting.block_onebox_on_redirect = true
end
after do
FinalDestination.clear_https_cache!("redirects2.com")
FinalDestination.clear_https_cache!("redirects3.com")
FinalDestination.clear_https_cache!("redirects4.com")
end
it "doesn't return onebox if the URL redirects" do
stub_request(:head, "https://redirects2.com/full-onebox").to_return(
status: 301,
body: "",
headers: {
"location" => "https://redirects2.com/real-full-onebox",
},
)
stub_request(:get, "https://redirects2.com/full-onebox").to_return(
status: 301,
body: "",
headers: {
"location" => "https://redirects2.com/real-full-onebox",
},
)
result = Oneboxer.external_onebox("https://redirects2.com/full-onebox")
expect(result[:onebox]).to be_blank
end
it "allows an initial http -> https redirect if the redirect URL is identical to the original" do
stub_request(:get, "http://redirects3.com/full-onebox").to_return(
status: 301,
body: "",
headers: {
"location" => "https://redirects3.com/full-onebox",
},
)
stub_request(:head, "http://redirects3.com/full-onebox").to_return(
status: 301,
body: "",
headers: {
"location" => "https://redirects3.com/full-onebox",
},
)
stub_request(:get, "https://redirects3.com/full-onebox").to_return(status: 200, body: html)
stub_request(:head, "https://redirects3.com/full-onebox").to_return(status: 200, body: "")
result = Oneboxer.external_onebox("http://redirects3.com/full-onebox")
onebox = result[:onebox]
expect(onebox).to include("https://redirects3.com/full-onebox")
expect(onebox).to include("Cats")
expect(onebox).to include("Meow")
end
it "doesn't allow an initial http -> https redirect if the redirect URL is different to the original" do
stub_request(:get, "http://redirects4.com/full-onebox").to_return(
status: 301,
body: "",
headers: {
"location" => "https://redirects4.com/full-onebox/2",
},
)
stub_request(:head, "http://redirects4.com/full-onebox").to_return(
status: 301,
body: "",
headers: {
"location" => "https://redirects4.com/full-onebox/2",
},
)
stub_request(:get, "https://redirects4.com/full-onebox").to_return(
status: 301,
body: "",
headers: {
"location" => "https://redirects4.com/full-onebox/2",
},
)
stub_request(:head, "https://redirects4.com/full-onebox").to_return(
status: 301,
body: "",
headers: {
"location" => "https://redirects4.com/full-onebox/2",
},
)
result = Oneboxer.external_onebox("http://redirects4.com/full-onebox")
expect(result[:onebox]).to be_blank
end
end
it "censors external oneboxes" do
Fabricate(:watched_word, action: WatchedWord.actions[:censor], word: "bad word")
url = "https://example.com/"
stub_request(:any, url).to_return(status: 200, body: <<~HTML, headers: {})
<html>
<head>
<meta property="og:title" content="title with bad word">
<meta property="og:description" content="description with bad word">
</head>
<body>
<p>content with bad word</p>
</body>
<html>
HTML
onebox = Oneboxer.external_onebox(url)
expect(onebox[:onebox]).to include("title with")
expect(onebox[:onebox]).not_to include("bad word")
expect(onebox[:preview]).to include("title with")
expect(onebox[:preview]).not_to include("bad word")
end
it "returns onebox" do
SiteSetting.blocked_onebox_domains = "not.me"
stub_request(:get, "https://its.me").to_return(status: 200, body: html)
stub_request(:head, "https://its.me").to_return(status: 200, body: "", headers: {})
expect(Oneboxer.external_onebox("https://its.me")[:onebox]).to be_present
end
end
it "uses the Onebox custom user agent on specified hosts" do
SiteSetting.force_custom_user_agent_hosts = "http://codepen.io|https://video.discourse.org/"
url = "https://video.discourse.org/presentation.mp4"
stub_request(:head, url).to_return(status: 403, body: "", headers: {})
stub_request(:get, url).to_return(status: 403, body: "", headers: {})
stub_request(:head, url).with(headers: { "User-Agent" => Onebox.options.user_agent }).to_return(
status: 200,
body: "",
headers: {
},
)
stub_request(:get, url).with(headers: { "User-Agent" => Onebox.options.user_agent }).to_return(
status: 200,
body: "",
headers: {
},
)
expect(Oneboxer.preview(url, invalidate_oneboxes: true)).to be_present
end
context "with youtube stub" do
let(:html) { <<~HTML }
<html>
<head>
<meta property="og:title" content="Onebox1 - ceci n'est pas un titre">
<meta property="og:description" content="this is bodycontent">
<meta property="og:image" content="https://i.ytimg.com/vi/dQw4w9WgXcQ/maxresdefault.jpg">
</head>
<body>
<p>body</p>
</body>
<html>
HTML
before do
stub_request(:any, "https://www.youtube.com/watch?v=dQw4w9WgXcQ").to_return(
status: 200,
body: html,
)
stub_request(:any, "https://www.youtube.com/embed/dQw4w9WgXcQ").to_return(
status: 403,
body: nil,
)
end
it "allows restricting engines based on the allowed_onebox_iframes setting" do
output =
Oneboxer.onebox("https://www.youtube.com/watch?v=dQw4w9WgXcQ", invalidate_oneboxes: true)
expect(output).to include("<iframe") # Regular youtube onebox
# Disable all onebox iframes:
SiteSetting.allowed_onebox_iframes = ""
output =
Oneboxer.onebox("https://www.youtube.com/watch?v=dQw4w9WgXcQ", invalidate_oneboxes: true)
expect(output).not_to include("<iframe") # Generic onebox
expect(output).to include("allowlistedgeneric")
# Just enable youtube:
SiteSetting.allowed_onebox_iframes = "https://www.youtube.com"
output =
Oneboxer.onebox("https://www.youtube.com/watch?v=dQw4w9WgXcQ", invalidate_oneboxes: true)
expect(output).to include("<iframe") # Regular youtube onebox
end
it "appropriately escapes youtube titles" do
preview =
Oneboxer.preview("https://www.youtube.com/watch?v=dQw4w9WgXcQ", invalidate_oneboxes: true)
expect(preview).to include("ceci n'est pas un titre")
end
end
it "allows iframes from generic sites via the allowed_iframes setting" do
allowlisted_body =
'<html><head><link rel="alternate" type="application/json+oembed" href="https://allowlist.ed/iframes.json" />'
blocklisted_body =
'<html><head><link rel="alternate" type="application/json+oembed" href="https://blocklist.ed/iframes.json" />'
allowlisted_oembed = {
type: "rich",
height: "100",
html: "<iframe src='https://ifram.es/foo/bar'></iframe>",
}
blocklisted_oembed = {
type: "rich",
height: "100",
html: "<iframe src='https://malicious/discourse.org/'></iframe>",
}
stub_request(:any, "https://blocklist.ed/iframes").to_return(
status: 200,
body: blocklisted_body,
)
stub_request(:any, "https://blocklist.ed/iframes.json").to_return(
status: 200,
body: blocklisted_oembed.to_json,
)
stub_request(:any, "https://allowlist.ed/iframes").to_return(
status: 200,
body: allowlisted_body,
)
stub_request(:any, "https://allowlist.ed/iframes.json").to_return(
status: 200,
body: allowlisted_oembed.to_json,
)
SiteSetting.allowed_iframes = "discourse.org|https://ifram.es"
expect(Oneboxer.onebox("https://blocklist.ed/iframes", invalidate_oneboxes: true)).to be_empty
expect(Oneboxer.onebox("https://allowlist.ed/iframes", invalidate_oneboxes: true)).to match(
"iframe src",
)
end
describe "missing attributes" do
before { stub_request(:head, url) }
let(:url) { "https://example.com/fake-url/" }
it "handles a missing description" do
stub_request(:get, url).to_return(body: response("missing_description"))
expect(Oneboxer.preview(url, invalidate_oneboxes: true)).to include(
"could not be found: description",
)
end
it "handles a missing description and image" do
stub_request(:get, url).to_return(body: response("missing_description_and_image"))
expect(Oneboxer.preview(url, invalidate_oneboxes: true)).to include(
"could not be found: description, image",
)
end
it "handles a missing image" do
# Note: If the only error is a missing image, we shouldn't return an error
stub_request(:get, url).to_return(body: response("missing_image"))
expect(Oneboxer.preview(url, invalidate_oneboxes: true)).not_to include("could not be found")
end
it "video with missing description returns a placeholder" do
stub_request(:get, url).to_return(body: response("video_missing_description"))
expect(Oneboxer.preview(url, invalidate_oneboxes: true)).to include(
"onebox-placeholder-container",
)
end
end
describe "instagram" do
it "providing a token should attempt to use new endpoint" do
url = "https://www.instagram.com/p/CHLkBERAiLa"
access_token = "abc123"
SiteSetting.facebook_app_access_token = access_token
stub_request(:head, url)
stub_request(
:get,
"https://graph.facebook.com/v9.0/instagram_oembed?url=#{url}&access_token=#{access_token}",
).to_return(body: response("instagram_new"))
expect(Oneboxer.preview(url, invalidate_oneboxes: true)).to include("placeholder-icon image")
end
it "unconfigured token should attempt to use old endpoint" do
url = "https://www.instagram.com/p/CHLkBERAiLa"
stub_request(:head, url)
stub_request(:get, "https://api.instagram.com/oembed/?url=#{url}").to_return(
body: response("instagram_old"),
)
expect(Oneboxer.preview(url, invalidate_oneboxes: true)).to include("placeholder-icon image")
end
it "renders result using an iframe" do
url = "https://www.instagram.com/p/CHLkBERAiLa"
stub_request(:head, url)
stub_request(:get, "https://api.instagram.com/oembed/?url=#{url}").to_return(
body: response("instagram_old"),
)
expect(Oneboxer.onebox(url, invalidate_oneboxes: true)).to include("iframe")
end
end
describe "Twitter" do
let(:url) { "https://twitter.com/discourse/status/1428031057186627589" }
before do
SiteSetting.twitter_consumer_key = "twitter_consumer_key"
SiteSetting.twitter_consumer_secret = "twitter_consumer_secret"
end
it "works with rate limit" do
stub_request(:head, "https://twitter.com/discourse/status/1428031057186627589").to_return(
status: 200,
body: "",
headers: {
},
)
stub_request(
:get,
"https://api.twitter.com/2/tweets/1428031057186627589?tweet.fields=id,author_id,text,created_at,entities,referenced_tweets,public_metrics&user.fields=id,name,username,profile_image_url&media.fields=type,height,width,variants,preview_image_url,url&expansions=attachments.media_keys,referenced_tweets.id.author_id",
).to_return(status: 429, body: "{}", headers: {})
stub_request(:post, "https://api.twitter.com/oauth2/token").to_return(
status: 200,
body: "{\"access_token\":\"token\"}",
headers: {
},
)
expect(Oneboxer.preview(url, invalidate_oneboxes: true)).to eq("")
expect(Oneboxer.onebox(url, invalidate_oneboxes: true)).to eq("")
end
end
describe "#apply" do
it "generates valid HTML" do
raw = "Before Onebox\nhttps://example.com\nAfter Onebox"
cooked = Oneboxer.apply(PrettyText.cook(raw)) { "<div>onebox</div>" }
doc = Nokogiri::HTML5.fragment(cooked.to_html)
expect(doc.to_html).to match_html <<~HTML
<p>Before Onebox</p>
<div>onebox</div>
<p>After Onebox</p>
HTML
raw = "Before Onebox\nhttps://example.com\nhttps://example.com\nAfter Onebox"
cooked = Oneboxer.apply(PrettyText.cook(raw)) { "<div>onebox</div>" }
doc = Nokogiri::HTML5.fragment(cooked.to_html)
expect(doc.to_html).to match_html <<~HTML
<p>Before Onebox</p>
<div>onebox</div>
<div>onebox</div>
<p>After Onebox</p>
HTML
end
it "does keeps SVGs valid" do
raw = "Onebox\n\nhttps://example.com"
cooked = PrettyText.cook(raw)
cooked =
Oneboxer.apply(Loofah.html5_fragment(cooked)) { "<div><svg><path></path></svg></div>" }
doc = Nokogiri::HTML5.fragment(cooked.to_html)
expect(doc.to_html).to match_html <<~HTML
<p>Onebox</p>
<div><svg><path></path></svg></div>
HTML
end
end
describe "#force_get_hosts" do
before do
SiteSetting.cache_onebox_response_body_domains = "example.net|example.com|example.org"
end
it "includes Amazon sites" do
expect(Oneboxer.force_get_hosts).to include("https://www.amazon.ca")
end
it "includes cache_onebox_response_body_domains" do
expect(Oneboxer.force_get_hosts).to include("https://www.example.com")
end
end
describe "strategies" do
it "has a 'default' strategy" do
expect(Oneboxer.strategies.keys.first).to eq(:default)
end
it "has a strategy with overrides" do
strategy = Oneboxer.strategies.keys[1]
expect(Oneboxer.strategies[strategy].keys).not_to eq([])
end
context "when using a non-default strategy" do
let(:hostname) { "my.interesting.site" }
let(:url) { "https://#{hostname}/cool/content" }
let(:html) { <<~HTML }
<html>
<head>
<meta property="og:title" content="Page Title">
<meta property="og:description" content="Here is some cool content">
</head>
<body>
<p>body</p>
</body>
<html>
HTML
before do
stub_request(:head, url).to_return(status: 509)
stub_request(:get, url).to_return(status: 200, body: html)
end
after { Oneboxer.clear_preferred_strategy!(hostname) }
it "uses multiple strategies" do
default_ordered = Oneboxer.strategies.keys
custom_ordered = Oneboxer.ordered_strategies(hostname)
expect(custom_ordered).to eq(default_ordered)
expect(Oneboxer.preferred_strategy(hostname)).to eq(nil)
expect(Oneboxer.preview(url, invalidate_oneboxes: true)).to include(
"Here is some cool content",
)
custom_ordered = Oneboxer.ordered_strategies(hostname)
expect(custom_ordered.count).to eq(default_ordered.count)
expect(custom_ordered).not_to eq(default_ordered)
expect(Oneboxer.preferred_strategy(hostname)).not_to eq(:default)
end
end
end
describe "cache_onebox_response_body" do
let(:html) { <<~HTML }
<html>
<body>
<p>cache me if you can</p>
</body>
<html>
HTML
let(:url) { "https://www.example.com/my/great/content" }
let(:url2) { "https://www.example2.com/my/great/content" }
before do
stub_request(:any, url).to_return(status: 200, body: html)
stub_request(:any, url2).to_return(status: 200, body: html)
SiteSetting.cache_onebox_response_body = true
SiteSetting.cache_onebox_response_body_domains = "example.net|example.com|example.org"
end
it "caches when domain matches" do
preview = Oneboxer.preview(url, invalidate_oneboxes: true)
expect(Oneboxer.cached_response_body_exists?(url)).to eq(true)
expect(Oneboxer.fetch_cached_response_body(url)).to eq(html)
end
it "ignores cache when domain not present" do
preview = Oneboxer.preview(url2, invalidate_oneboxes: true)
expect(Oneboxer.cached_response_body_exists?(url2)).to eq(false)
end
end
describe "register_local_handler" do
it "calls registered local handler" do
Oneboxer.register_local_handler("wizard") { |url, route| "Custom Onebox for Wizard" }
url = "#{Discourse.base_url}/wizard"
expect(Oneboxer.preview(url)).to eq("Custom Onebox for Wizard")
end
end
end