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901054fd75
We already cache failed onebox URL requests client-side, we now want to cache this on the server-side for extra protection. failed onebox previews will be cached for 1 hour, and any more requests for that URL will fail with a 404 status. Forcing a rebake via the Rebake HTML action will delete the failed URL cache (like how the oneboxer preview cache is deleted).
204 lines
6.0 KiB
Ruby
204 lines
6.0 KiB
Ruby
# frozen_string_literal: true
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require 'rails_helper'
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describe OneboxController do
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before do
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Discourse.cache.delete(Oneboxer.onebox_failed_cache_key(url))
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end
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let(:url) { "http://google.com" }
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it "requires the user to be logged in" do
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get "/onebox.json", params: { url: url }
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expect(response.status).to eq(403)
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end
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describe "logged in" do
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let(:user) { Fabricate(:user) }
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let(:html) do
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html = <<~HTML
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<html>
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<head>
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<meta property="og:title" content="Onebox1">
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<meta property="og:description" content="this is bodycontent">
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</head>
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<body>
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<p>body</p>
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</body>
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<html>
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HTML
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html
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end
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let(:html2) do
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html = <<~HTML
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<html>
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<head>
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<meta property="og:title" content="Onebox2">
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<meta property="og:description" content="this is bodycontent">
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</head>
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<body>
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<p>body</p>
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</body>
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<html>
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HTML
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html
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end
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def bypass_limiting
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Oneboxer.onebox_previewed!(user.id)
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end
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before do
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sign_in(user)
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end
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it 'invalidates the cache if refresh is passed' do
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stub_request(:head, url)
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stub_request(:get, url).to_return(status: 200, body: html).then.to_raise
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bypass_limiting
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Discourse.cache.delete("onebox__#{url}")
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get "/onebox.json", params: { url: url }
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expect(response.status).to eq(200)
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expect(response.body).to include("Onebox1")
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bypass_limiting
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stub_request(:get, url).to_return(status: 200, body: html2).then.to_raise
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get "/onebox.json", params: { url: url, refresh: 'true' }
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expect(response.status).to eq(200)
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expect(response.body).to include("Onebox2")
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end
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describe "cached onebox" do
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it "returns the cached onebox response in the body" do
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url = "http://noodle.com/"
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stub_request(:head, url)
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stub_request(:get, url).to_return(body: html).then.to_raise
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get "/onebox.json", params: { url: url, refresh: "true" }
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expect(response.status).to eq(200)
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expect(response.body).to include('Onebox1')
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expect(response.body).to include('bodycontent')
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get "/onebox.json", params: { url: url }
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expect(response.status).to eq(200)
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expect(response.body).to include('Onebox1')
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expect(response.body).to include('bodycontent')
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end
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end
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describe "only 1 outgoing preview per user" do
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it "returns 429" do
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Oneboxer.preview_onebox!(user.id)
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stub_request(:head, url)
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stub_request(:get, url).to_return(body: html).then.to_raise
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get "/onebox.json", params: { url: url, refresh: "true" }
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expect(response.status).to eq(429)
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end
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end
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describe "found onebox" do
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it 'returns the onebox response in the body' do
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stub_request(:head, url)
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stub_request(:get, url).to_return(body: html).then.to_raise
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get "/onebox.json", params: { url: url, refresh: "true" }
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expect(response.status).to eq(200)
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expect(response.body).to include("Onebox1")
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end
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end
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describe "missing onebox" do
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def stub_request_to_onebox_url(response_body)
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stub_request(:head, url)
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stub_request(:get, url).to_return(body: response_body).then.to_raise
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end
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it "returns 404 if the onebox is nil" do
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stub_request_to_onebox_url(nil)
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get "/onebox.json", params: { url: url, refresh: "true" }
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expect(response.response_code).to eq(404)
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end
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it "returns 404 if the onebox is an empty string" do
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stub_request_to_onebox_url(" \t ")
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get "/onebox.json", params: { url: url, refresh: "true" }
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expect(response.response_code).to eq(404)
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end
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it "cases missing onebox URLs so we do not attempt to preview again" do
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stub_request_to_onebox_url(nil)
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get "/onebox.json", params: { url: url, refresh: "true" }
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expect(response.response_code).to eq(404)
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Oneboxer.expects(:preview_onebox!).never
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get "/onebox.json", params: { url: url, refresh: "true" }
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expect(response.response_code).to eq(404)
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expect(
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Discourse.cache.read(Oneboxer.onebox_failed_cache_key(url))
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).not_to eq(nil)
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end
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end
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describe "local onebox" do
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it 'does not cache local oneboxes' do
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post = create_post
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url = Discourse.base_url + post.url
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get "/onebox.json", params: { url: url, category_id: post.topic.category_id }
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expect(response.body).to include('blockquote')
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post.trash!
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get "/onebox.json", params: { url: url, category_id: post.topic.category_id }
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expect(response.body).not_to include('blockquote')
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end
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end
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it 'does not onebox when you have no permission on category' do
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post = create_post
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url = Discourse.base_url + post.url
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get "/onebox.json", params: { url: url, category_id: post.topic.category_id }
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expect(response.body).to include('blockquote')
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post.topic.category.set_permissions(staff: :full)
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post.topic.category.save
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get "/onebox.json", params: { url: url, category_id: post.topic.category_id }
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expect(response.body).not_to include('blockquote')
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end
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it 'does not allow onebox of PMs' do
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post = create_post(archetype: 'private_message', target_usernames: [user.username])
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url = Discourse.base_url + post.url
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get "/onebox.json", params: { url: url }
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expect(response.body).not_to include('blockquote')
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end
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it 'does not allow whisper onebox' do
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post = create_post
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whisper = create_post(topic_id: post.topic_id, post_type: Post.types[:whisper])
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url = Discourse.base_url + whisper.url
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get "/onebox.json", params: { url: url }
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expect(response.body).not_to include('blockquote')
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end
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it 'allows onebox to public topics/posts in PM' do
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post = create_post
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url = Discourse.base_url + post.url
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get "/onebox.json", params: { url: url }
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expect(response.body).to include('blockquote')
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end
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end
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end
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