discourse/spec/components/oneboxer_spec.rb

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# frozen_string_literal: true
require 'rails_helper'
describe Oneboxer do
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: "")
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expect(Oneboxer.preview("http://boom.com")).to eq("")
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
context "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, "tiny"))
short_url = "#{Discourse.base_uri}/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, "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.sub("{size}", "40"))
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
end
context ".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
end
it "does not crawl blocklisted URLs" do
SiteSetting.blocked_onebox_domains = "git.*.com|bitbucket.com"
url = 'https://github.com/discourse/discourse/commit/21b562852885f883be43032e03c709241e8e6d4f'
stub_request(:head, 'https://discourse.org/').to_return(status: 302, body: "", headers: { location: url })
expect(Oneboxer.external_onebox(url)[:onebox]).to be_empty
expect(Oneboxer.external_onebox('https://discourse.org/')[:onebox]).to be_empty
end
it "does not consider ignore_redirects domains as blocklisted" do
url = 'https://store.steampowered.com/app/271590/Grand_Theft_Auto_V/'
stub_request(:head, url).to_return(status: 200, body: "", headers: {})
stub_request(:get, url).to_return(status: 200, body: "", headers: {})
expect(Oneboxer.external_onebox(url)[:onebox]).to be_present
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) do
<<~HTML
<html>
<head>
<meta property="og:title" content="Onebox1">
<meta property="og:description" content="this is bodycontent">
</head>
<body>
<p>body</p>
</body>
<html>
HTML
end
before do
stub_request(:any, "https://www.youtube.com/watch?v=dQw4w9WgXcQ").to_return(status: 200, body: html)
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
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
end