Remove HEAD request from fetching link previews (#12028)
It is not really necessary and we need to reduce requests
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2 changed files with 3 additions and 16 deletions
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@ -39,12 +39,6 @@ class FetchLinkCardService < BaseService
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def process_url
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@card ||= PreviewCard.new(url: @url)
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failed = Request.new(:head, @url).perform do |res|
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res.code != 405 && res.code != 501 && (res.code != 200 || res.mime_type != 'text/html')
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end
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return if failed
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Request.new(:get, @url).perform do |res|
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if res.code == 200 && res.mime_type == 'text/html'
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@html = res.body_with_limit
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@ -4,20 +4,13 @@ RSpec.describe FetchLinkCardService, type: :service do
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subject { FetchLinkCardService.new }
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before do
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stub_request(:head, 'http://example.xn--fiqs8s/').to_return(status: 200, headers: { 'Content-Type' => 'text/html' })
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stub_request(:get, 'http://example.xn--fiqs8s/').to_return(request_fixture('idn.txt'))
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stub_request(:head, 'http://example.com/sjis').to_return(status: 200, headers: { 'Content-Type' => 'text/html' })
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stub_request(:get, 'http://example.com/sjis').to_return(request_fixture('sjis.txt'))
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stub_request(:head, 'http://example.com/sjis_with_wrong_charset').to_return(status: 200, headers: { 'Content-Type' => 'text/html' })
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stub_request(:get, 'http://example.com/sjis_with_wrong_charset').to_return(request_fixture('sjis_with_wrong_charset.txt'))
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stub_request(:head, 'http://example.com/koi8-r').to_return(status: 200, headers: { 'Content-Type' => 'text/html' })
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stub_request(:get, 'http://example.com/koi8-r').to_return(request_fixture('koi8-r.txt'))
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stub_request(:head, 'http://example.com/日本語').to_return(status: 200, headers: { 'Content-Type' => 'text/html' })
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stub_request(:get, 'http://example.com/日本語').to_return(request_fixture('sjis.txt'))
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stub_request(:head, 'https://github.com/qbi/WannaCry').to_return(status: 404)
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stub_request(:head, 'http://example.com/test-').to_return(status: 200, headers: { 'Content-Type' => 'text/html' })
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stub_request(:get, 'https://github.com/qbi/WannaCry').to_return(status: 404)
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stub_request(:get, 'http://example.com/test-').to_return(request_fixture('idn.txt'))
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stub_request(:head, 'http://example.com/windows-1251').to_return(status: 200, headers: { 'Content-Type' => 'text/html' })
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stub_request(:get, 'http://example.com/windows-1251').to_return(request_fixture('windows-1251.txt'))
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subject.call(status)
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@ -90,11 +83,11 @@ RSpec.describe FetchLinkCardService, type: :service do
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let(:status) { Fabricate(:status, account: Fabricate(:account, domain: 'example.com'), text: 'Habt ihr ein paar gute Links zu #<span class="tag"><a href="https://quitter.se/tag/wannacry" target="_blank" rel="tag noopener" title="https://quitter.se/tag/wannacry">Wannacry</a></span> herumfliegen? Ich will mal unter <br> <a href="https://github.com/qbi/WannaCry" target="_blank" rel="noopener" title="https://github.com/qbi/WannaCry">https://github.com/qbi/WannaCry</a> was sammeln. !<a href="http://sn.jonkman.ca/group/416/id" target="_blank" rel="noopener" title="http://sn.jonkman.ca/group/416/id">security</a> ') }
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it 'parses out URLs' do
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expect(a_request(:head, 'https://github.com/qbi/WannaCry')).to have_been_made.at_least_once
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expect(a_request(:get, 'https://github.com/qbi/WannaCry')).to have_been_made.at_least_once
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end
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it 'ignores URLs to hashtags' do
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expect(a_request(:head, 'https://quitter.se/tag/wannacry')).to_not have_been_made
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expect(a_request(:get, 'https://quitter.se/tag/wannacry')).to_not have_been_made
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end
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end
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end
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