mirror of
https://github.com/discourse/discourse.git
synced 2024-11-24 12:03:35 +08:00
fff8a24f2b
`Onebox.preview` can return 0-to-n errors, where the errors are missing OpenGraph attributes (e.g. title, description, image, etc.). If any of these attributes are missing, we construct an error message and attach it to the Oneboxer preview HTML. The error message is something like: “Sorry, we were unable to generate a preview for this web page, because the following oEmbed / OpenGraph tags could not be found: description, image” However, if the only missing tag is `image` we don’t need to display the error, as we have enough other data (title, description, etc.) to construct a useful/complete Onebox.
333 lines
14 KiB
Ruby
333 lines
14 KiB
Ruby
# frozen_string_literal: true
|
|
|
|
require 'rails_helper'
|
|
|
|
describe Oneboxer do
|
|
def response(file)
|
|
file = File.join("spec", "fixtures", "onebox", "#{file}.response")
|
|
File.exists?(file) ? File.read(file) : ""
|
|
end
|
|
|
|
it "returns blank string for an invalid onebox" do
|
|
stub_request(:head, "http://boom.com")
|
|
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")
|
|
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_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, "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">
|
|
<meta property="og:image" content="https://i.ytimg.com/vi/dQw4w9WgXcQ/maxresdefault.jpg">
|
|
</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
|
|
|
|
context 'missing attributes' do
|
|
before do
|
|
stub_request(:head, url)
|
|
end
|
|
|
|
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
|
|
|
|
context 'facebook_app_access_token' 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)).not_to include('instagram-description')
|
|
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('instagram-description')
|
|
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
|
|
end
|
|
|
|
end
|