tootlab-mastodon/spec/services/fetch_link_card_service_spec.rb

# frozen_string_literal: true

require 'rails_helper'

RSpec.describe FetchLinkCardService do
  subject { described_class.new }

  let(:html) { '<!doctype html><title>Hello world</title>' }
  let(:oembed_cache) { nil }

  before do
    stub_request(:get, 'http://example.com/html').to_return(headers: { 'Content-Type' => 'text/html' }, body: html)
    stub_request(:get, 'http://example.com/not-found').to_return(status: 404, headers: { 'Content-Type' => 'text/html' }, body: html)
    stub_request(:get, 'http://example.com/text').to_return(status: 404, headers: { 'Content-Type' => 'text/plain' }, body: 'Hello')
    stub_request(:get, 'http://example.com/redirect').to_return(status: 302, headers: { 'Location' => 'http://example.com/html' })
    stub_request(:get, 'http://example.com/redirect-to-404').to_return(status: 302, headers: { 'Location' => 'http://example.com/not-found' })
    stub_request(:get, 'http://example.com/oembed?url=http://example.com/html').to_return(headers: { 'Content-Type' => 'application/json' }, body: '{ "version": "1.0", "type": "link", "title": "oEmbed title" }')
    stub_request(:get, 'http://example.com/oembed?format=json&url=http://example.com/html').to_return(headers: { 'Content-Type' => 'application/json' }, body: '{ "version": "1.0", "type": "link", "title": "oEmbed title" }')

    stub_request(:get, 'http://example.xn--fiqs8s')
    stub_request(:get, 'http://example.com/日本語')
    stub_request(:get, 'http://example.com/test?data=file.gpx%5E1')
    stub_request(:get, 'http://example.com/test-')

    stub_request(:get, 'http://example.com/sjis').to_return(request_fixture('sjis.txt'))
    stub_request(:get, 'http://example.com/sjis_with_wrong_charset').to_return(request_fixture('sjis_with_wrong_charset.txt'))
    stub_request(:get, 'http://example.com/koi8-r').to_return(request_fixture('koi8-r.txt'))
    stub_request(:get, 'http://example.com/windows-1251').to_return(request_fixture('windows-1251.txt'))

    Rails.cache.write('oembed_endpoint:example.com', oembed_cache) if oembed_cache

    subject.call(status)
  end

  context 'with a local status' do
    context 'with URL of a regular HTML page' do
      let(:status) { Fabricate(:status, text: 'http://example.com/html') }

      it 'creates preview card' do
        expect(status.preview_card).to_not be_nil
        expect(status.preview_card.url).to eq 'http://example.com/html'
        expect(status.preview_card.title).to eq 'Hello world'
      end
    end

    context 'with URL of a page with no title' do
      let(:status) { Fabricate(:status, text: 'http://example.com/html') }
      let(:html) { '<!doctype html><title></title>' }

      it 'does not create a preview card' do
        expect(status.preview_card).to be_nil
      end
    end

    context 'with a URL of a plain-text page' do
      let(:status) { Fabricate(:status, text: 'http://example.com/text') }

      it 'does not create a preview card' do
        expect(status.preview_card).to be_nil
      end
    end

    context 'with multiple URLs' do
      let(:status) { Fabricate(:status, text: 'ftp://example.com http://example.com/html http://example.com/text') }

      it 'fetches the first valid URL' do
        expect(a_request(:get, 'http://example.com/html')).to have_been_made
      end

      it 'does not fetch the second valid URL' do
        expect(a_request(:get, 'http://example.com/text/')).to_not have_been_made
      end
    end

    context 'with a redirect URL' do
      let(:status) { Fabricate(:status, text: 'http://example.com/redirect') }

      it 'follows redirect' do
        expect(a_request(:get, 'http://example.com/redirect')).to have_been_made.once
        expect(a_request(:get, 'http://example.com/html')).to have_been_made.once
      end

      it 'creates preview card' do
        expect(status.preview_card).to_not be_nil
        expect(status.preview_card.url).to eq 'http://example.com/html'
        expect(status.preview_card.title).to eq 'Hello world'
      end
    end

    context 'with a broken redirect URL' do
      let(:status) { Fabricate(:status, text: 'http://example.com/redirect-to-404') }

      it 'follows redirect' do
        expect(a_request(:get, 'http://example.com/redirect-to-404')).to have_been_made.once
        expect(a_request(:get, 'http://example.com/not-found')).to have_been_made.once
      end

      it 'does not create a preview card' do
        expect(status.preview_card).to be_nil
      end
    end

    context 'with a 404 URL' do
      let(:status) { Fabricate(:status, text: 'http://example.com/not-found') }

      it 'does not create a preview card' do
        expect(status.preview_card).to be_nil
      end
    end

    context 'with an IDN URL' do
      let(:status) { Fabricate(:status, text: 'Check out http://example.中国') }

      it 'fetches the URL' do
        expect(a_request(:get, 'http://example.xn--fiqs8s/')).to have_been_made.once
      end
    end

    context 'with a URL of a page in Shift JIS encoding' do
      let(:status) { Fabricate(:status, text: 'Check out http://example.com/sjis') }

      it 'decodes the HTML' do
        expect(status.preview_card.title).to eq('SJISのページ')
      end
    end

    context 'with a URL of a page in Shift JIS encoding labeled as UTF-8' do
      let(:status) { Fabricate(:status, text: 'Check out http://example.com/sjis_with_wrong_charset') }

      it 'decodes the HTML despite the wrong charset header' do
        expect(status.preview_card.title).to eq('SJISのページ')
      end
    end

    context 'with a URL of a page in KOI8-R encoding' do
      let(:status) { Fabricate(:status, text: 'Check out http://example.com/koi8-r') }

      it 'decodes the HTML' do
        expect(status.preview_card.title).to eq('Московя начинаетъ только въ XVI ст. привлекать внимане иностранцевъ.')
      end
    end

    context 'with a URL of a page in Windows-1251 encoding' do
      let(:status) { Fabricate(:status, text: 'Check out http://example.com/windows-1251') }

      it 'decodes the HTML' do
        expect(status.preview_card.title).to eq('сэмпл текст')
      end
    end

    context 'with a Japanese path URL' do
      let(:status) { Fabricate(:status, text: 'テストhttp://example.com/日本語') }

      it 'fetches the URL' do
        expect(a_request(:get, 'http://example.com/日本語')).to have_been_made.once
      end
    end

    context 'with a hyphen-suffixed URL' do
      let(:status) { Fabricate(:status, text: 'test http://example.com/test-') }

      it 'fetches the URL' do
        expect(a_request(:get, 'http://example.com/test-')).to have_been_made.once
      end
    end

    context 'with a caret-suffixed URL' do
      let(:status) { Fabricate(:status, text: 'test http://example.com/test?data=file.gpx^1') }

      it 'fetches the URL' do
        expect(a_request(:get, 'http://example.com/test?data=file.gpx%5E1')).to have_been_made.once
      end

      it 'does not strip the caret before fetching' do
        expect(a_request(:get, 'http://example.com/test?data=file.gpx')).to_not have_been_made
      end
    end

    context 'with a non-isolated URL' do
      let(:status) { Fabricate(:status, text: 'testhttp://example.com/sjis') }

      it 'does not fetch URLs not isolated from their surroundings' do
        expect(a_request(:get, 'http://example.com/sjis')).to_not have_been_made
      end
    end

    context 'with a URL of a page with oEmbed support' do
      let(:html) { '<!doctype html><title>Hello world</title><link rel="alternate" type="application/json+oembed" href="http://example.com/oembed?url=http://example.com/html">' }
      let(:status) { Fabricate(:status, text: 'http://example.com/html') }

      it 'fetches the oEmbed URL' do
        expect(a_request(:get, 'http://example.com/oembed?url=http://example.com/html')).to have_been_made.once
      end

      it 'creates preview card' do
        expect(status.preview_card).to_not be_nil
        expect(status.preview_card.url).to eq 'http://example.com/html'
        expect(status.preview_card.title).to eq 'oEmbed title'
      end

      context 'when oEmbed endpoint cache populated' do
        let(:oembed_cache) { { endpoint: 'http://example.com/oembed?format=json&url={url}', format: :json } }

        it 'uses the cached oEmbed response' do
          expect(a_request(:get, 'http://example.com/oembed?url=http://example.com/html')).to_not have_been_made
          expect(a_request(:get, 'http://example.com/oembed?format=json&url=http://example.com/html')).to have_been_made
        end

        it 'creates preview card' do
          expect(status.preview_card).to_not be_nil
          expect(status.preview_card.url).to eq 'http://example.com/html'
          expect(status.preview_card.title).to eq 'oEmbed title'
        end
      end

      # If the original HTML URL for whatever reason (e.g. DOS protection) redirects to
      # an error page, we can still use the cached oEmbed but should not use the
      # redirect URL on the card.
      context 'when oEmbed endpoint cache populated but page returns 404' do
        let(:status) { Fabricate(:status, text: 'http://example.com/redirect-to-404') }
        let(:oembed_cache) { { endpoint: 'http://example.com/oembed?url=http://example.com/html', format: :json } }

        it 'uses the cached oEmbed response' do
          expect(a_request(:get, 'http://example.com/oembed?url=http://example.com/html')).to have_been_made
        end

        it 'creates preview card' do
          expect(status.preview_card).to_not be_nil
          expect(status.preview_card.title).to eq 'oEmbed title'
        end

        it 'uses the original URL' do
          expect(status.preview_card&.url).to eq 'http://example.com/redirect-to-404'
        end
      end
    end
  end

  context 'with a remote status' do
    let(:status) do
      Fabricate(:status, account: Fabricate(:account, domain: 'example.com'), text: <<-TEXT)
      Habt ihr ein paar gute Links zu <a>foo</a>
      #<span class="tag"><a href="https://quitter.se/tag/wannacry" target="_blank" rel="tag noopener noreferrer" title="https://quitter.se/tag/wannacry">Wannacry</a></span> herumfliegen?
      Ich will mal unter <br> <a href="http://example.com/not-found" target="_blank" rel="noopener noreferrer" title="http://example.com/not-found">http://example.com/not-found</a> was sammeln. !
      <a href="http://sn.jonkman.ca/group/416/id" target="_blank" rel="noopener noreferrer" title="http://sn.jonkman.ca/group/416/id">security</a>&nbsp;
      TEXT
    end

    it 'parses out URLs' do
      expect(a_request(:get, 'http://example.com/not-found')).to have_been_made.once
    end

    it 'ignores URLs to hashtags' do
      expect(a_request(:get, 'https://quitter.se/tag/wannacry')).to_not have_been_made
    end
  end
end
Enable Style/FrozenStringLiteralComment for specs (#23790) 2023-02-21 19:55:31 -05:00			`# frozen_string_literal: true`

Punycode URI normalization (#2370) * Fix #2119 - Whenever about to send a HTTP request, normalize the URI * Add test for IDN request in FetchLinkCardService * Perform IDN normalization on domains before they are stored in the DB 2017-04-24 20:47:31 -04:00			`require 'rails_helper'`

Remove unneeded `type: :service` from spec/services files (#29304) 2024-03-13 04:39:26 -04:00			`RSpec.describe FetchLinkCardService do`
Add support for structured data and more OpenGraph tags to link cards (#16938) Save preview cards under their canonical URL Increase max redirects to follow from 2 to 3 2021-11-05 18:23:05 -04:00			`subject { described_class.new }`
Fix #2572 - Resolve preview cards for remote statuses as well as local ones (#3088) 2017-05-16 18:41:15 -04:00
Use original URL in preview if it redirects to 4xx page (#26200) 2023-07-28 17:02:08 -04:00			`let(:html) { '<!doctype html><title>Hello world</title>' }`
			`let(:oembed_cache) { nil }`

Punycode URI normalization (#2370) * Fix #2119 - Whenever about to send a HTTP request, normalize the URI * Add test for IDN request in FetchLinkCardService * Perform IDN normalization on domains before they are stored in the DB 2017-04-24 20:47:31 -04:00			`before do`
Use original URL in preview if it redirects to 4xx page (#26200) 2023-07-28 17:02:08 -04:00			`stub_request(:get, 'http://example.com/html').to_return(headers: { 'Content-Type' => 'text/html' }, body: html)`
			`stub_request(:get, 'http://example.com/not-found').to_return(status: 404, headers: { 'Content-Type' => 'text/html' }, body: html)`
			`stub_request(:get, 'http://example.com/text').to_return(status: 404, headers: { 'Content-Type' => 'text/plain' }, body: 'Hello')`
			`stub_request(:get, 'http://example.com/redirect').to_return(status: 302, headers: { 'Location' => 'http://example.com/html' })`
			`stub_request(:get, 'http://example.com/redirect-to-404').to_return(status: 302, headers: { 'Location' => 'http://example.com/not-found' })`
			`stub_request(:get, 'http://example.com/oembed?url=http://example.com/html').to_return(headers: { 'Content-Type' => 'application/json' }, body: '{ "version": "1.0", "type": "link", "title": "oEmbed title" }')`
			`stub_request(:get, 'http://example.com/oembed?format=json&url=http://example.com/html').to_return(headers: { 'Content-Type' => 'application/json' }, body: '{ "version": "1.0", "type": "link", "title": "oEmbed title" }')`

			`stub_request(:get, 'http://example.xn--fiqs8s')`
			`stub_request(:get, 'http://example.com/日本語')`
			`stub_request(:get, 'http://example.com/test?data=file.gpx%5E1')`
			`stub_request(:get, 'http://example.com/test-')`

Fix Nokogiri::HTML at FetchLinkCardService (#4072) 2017-07-05 08:54:21 -04:00			`stub_request(:get, 'http://example.com/sjis').to_return(request_fixture('sjis.txt'))`
Use charlock_holmes instead of nkf at FetchLinkCardService (#4080) * Specs for language detection * Use CharlockHolmes instead of NKF * Correct mistakes * Correct style * Set hint_enc instead of falling back and strip_tags * Improve specs * Add dependencies 2017-07-08 16:44:31 -04:00			`stub_request(:get, 'http://example.com/sjis_with_wrong_charset').to_return(request_fixture('sjis_with_wrong_charset.txt'))`
			`stub_request(:get, 'http://example.com/koi8-r').to_return(request_fixture('koi8-r.txt'))`
Ignore low-confidence CharlockHolmes guesses when parsing link cards (#9510) * Add failing test for windows-1251 link cards * Ignore low-confidence CharlockHolmes guesses Fixes #9466 * Fix no method error when charlock holmes cannot detect charset 2018-12-17 13:19:45 -05:00			`stub_request(:get, 'http://example.com/windows-1251').to_return(request_fixture('windows-1251.txt'))`
Fix #2572 - Resolve preview cards for remote statuses as well as local ones (#3088) 2017-05-16 18:41:15 -04:00
Use original URL in preview if it redirects to 4xx page (#26200) 2023-07-28 17:02:08 -04:00			`Rails.cache.write('oembed_endpoint:example.com', oembed_cache) if oembed_cache`

Fix #2572 - Resolve preview cards for remote statuses as well as local ones (#3088) 2017-05-16 18:41:15 -04:00			`subject.call(status)`
			`end`

Fix RSpec/ContextWording cop (#24739) 2023-05-03 23:49:08 -04:00			`context 'with a local status' do`
Use original URL in preview if it redirects to 4xx page (#26200) 2023-07-28 17:02:08 -04:00			`context 'with URL of a regular HTML page' do`
			`let(:status) { Fabricate(:status, text: 'http://example.com/html') }`

			`it 'creates preview card' do`
			`expect(status.preview_card).to_not be_nil`
			`expect(status.preview_card.url).to eq 'http://example.com/html'`
			`expect(status.preview_card.title).to eq 'Hello world'`
			`end`
			`end`

			`context 'with URL of a page with no title' do`
			`let(:status) { Fabricate(:status, text: 'http://example.com/html') }`
			`let(:html) { '<!doctype html><title></title>' }`

			`it 'does not create a preview card' do`
			`expect(status.preview_card).to be_nil`
			`end`
			`end`

			`context 'with a URL of a plain-text page' do`
			`let(:status) { Fabricate(:status, text: 'http://example.com/text') }`

			`it 'does not create a preview card' do`
			`expect(status.preview_card).to be_nil`
			`end`
			`end`

			`context 'with multiple URLs' do`
			`let(:status) { Fabricate(:status, text: 'ftp://example.com http://example.com/html http://example.com/text') }`

			`it 'fetches the first valid URL' do`
			`expect(a_request(:get, 'http://example.com/html')).to have_been_made`
			`end`

			`it 'does not fetch the second valid URL' do`
			`expect(a_request(:get, 'http://example.com/text/')).to_not have_been_made`
			`end`
			`end`

			`context 'with a redirect URL' do`
			`let(:status) { Fabricate(:status, text: 'http://example.com/redirect') }`

			`it 'follows redirect' do`
			`expect(a_request(:get, 'http://example.com/redirect')).to have_been_made.once`
			`expect(a_request(:get, 'http://example.com/html')).to have_been_made.once`
			`end`

			`it 'creates preview card' do`
			`expect(status.preview_card).to_not be_nil`
			`expect(status.preview_card.url).to eq 'http://example.com/html'`
			`expect(status.preview_card.title).to eq 'Hello world'`
			`end`
			`end`

			`context 'with a broken redirect URL' do`
			`let(:status) { Fabricate(:status, text: 'http://example.com/redirect-to-404') }`

			`it 'follows redirect' do`
			`expect(a_request(:get, 'http://example.com/redirect-to-404')).to have_been_made.once`
			`expect(a_request(:get, 'http://example.com/not-found')).to have_been_made.once`
			`end`

			`it 'does not create a preview card' do`
			`expect(status.preview_card).to be_nil`
			`end`
			`end`

			`context 'with a 404 URL' do`
			`let(:status) { Fabricate(:status, text: 'http://example.com/not-found') }`

			`it 'does not create a preview card' do`
			`expect(status.preview_card).to be_nil`
			`end`
			`end`

			`context 'with an IDN URL' do`
Fix #2572 - Resolve preview cards for remote statuses as well as local ones (#3088) 2017-05-16 18:41:15 -04:00			`let(:status) { Fabricate(:status, text: 'Check out http://example.中国') }`

Use original URL in preview if it redirects to 4xx page (#26200) 2023-07-28 17:02:08 -04:00			`it 'fetches the URL' do`
			`expect(a_request(:get, 'http://example.xn--fiqs8s/')).to have_been_made.once`
Fix #2572 - Resolve preview cards for remote statuses as well as local ones (#3088) 2017-05-16 18:41:15 -04:00			`end`
			`end`
Fix Nokogiri::HTML at FetchLinkCardService (#4072) 2017-07-05 08:54:21 -04:00
Use original URL in preview if it redirects to 4xx page (#26200) 2023-07-28 17:02:08 -04:00			`context 'with a URL of a page in Shift JIS encoding' do`
Fix Nokogiri::HTML at FetchLinkCardService (#4072) 2017-07-05 08:54:21 -04:00			`let(:status) { Fabricate(:status, text: 'Check out http://example.com/sjis') }`

Use original URL in preview if it redirects to 4xx page (#26200) 2023-07-28 17:02:08 -04:00			`it 'decodes the HTML' do`
Change link previews to keep original URL from the status (#27312) 2023-11-13 04:58:28 -05:00			`expect(status.preview_card.title).to eq('SJISのページ')`
Use charlock_holmes instead of nkf at FetchLinkCardService (#4080) * Specs for language detection * Use CharlockHolmes instead of NKF * Correct mistakes * Correct style * Set hint_enc instead of falling back and strip_tags * Improve specs * Add dependencies 2017-07-08 16:44:31 -04:00			`end`
			`end`

Use original URL in preview if it redirects to 4xx page (#26200) 2023-07-28 17:02:08 -04:00			`context 'with a URL of a page in Shift JIS encoding labeled as UTF-8' do`
Use charlock_holmes instead of nkf at FetchLinkCardService (#4080) * Specs for language detection * Use CharlockHolmes instead of NKF * Correct mistakes * Correct style * Set hint_enc instead of falling back and strip_tags * Improve specs * Add dependencies 2017-07-08 16:44:31 -04:00			`let(:status) { Fabricate(:status, text: 'Check out http://example.com/sjis_with_wrong_charset') }`

Use original URL in preview if it redirects to 4xx page (#26200) 2023-07-28 17:02:08 -04:00			`it 'decodes the HTML despite the wrong charset header' do`
Change link previews to keep original URL from the status (#27312) 2023-11-13 04:58:28 -05:00			`expect(status.preview_card.title).to eq('SJISのページ')`
Use charlock_holmes instead of nkf at FetchLinkCardService (#4080) * Specs for language detection * Use CharlockHolmes instead of NKF * Correct mistakes * Correct style * Set hint_enc instead of falling back and strip_tags * Improve specs * Add dependencies 2017-07-08 16:44:31 -04:00			`end`
			`end`

Use original URL in preview if it redirects to 4xx page (#26200) 2023-07-28 17:02:08 -04:00			`context 'with a URL of a page in KOI8-R encoding' do`
Use charlock_holmes instead of nkf at FetchLinkCardService (#4080) * Specs for language detection * Use CharlockHolmes instead of NKF * Correct mistakes * Correct style * Set hint_enc instead of falling back and strip_tags * Improve specs * Add dependencies 2017-07-08 16:44:31 -04:00			`let(:status) { Fabricate(:status, text: 'Check out http://example.com/koi8-r') }`

Use original URL in preview if it redirects to 4xx page (#26200) 2023-07-28 17:02:08 -04:00			`it 'decodes the HTML' do`
Change link previews to keep original URL from the status (#27312) 2023-11-13 04:58:28 -05:00			`expect(status.preview_card.title).to eq('Московя начинаетъ только въ XVI ст. привлекать внимане иностранцевъ.')`
Fix Nokogiri::HTML at FetchLinkCardService (#4072) 2017-07-05 08:54:21 -04:00			`end`
			`end`
Enable to recognize most kinds of characters as URL paths (#4941) 2017-09-14 12:03:20 -04:00
Use original URL in preview if it redirects to 4xx page (#26200) 2023-07-28 17:02:08 -04:00			`context 'with a URL of a page in Windows-1251 encoding' do`
Ignore low-confidence CharlockHolmes guesses when parsing link cards (#9510) * Add failing test for windows-1251 link cards * Ignore low-confidence CharlockHolmes guesses Fixes #9466 * Fix no method error when charlock holmes cannot detect charset 2018-12-17 13:19:45 -05:00			`let(:status) { Fabricate(:status, text: 'Check out http://example.com/windows-1251') }`

Use original URL in preview if it redirects to 4xx page (#26200) 2023-07-28 17:02:08 -04:00			`it 'decodes the HTML' do`
Change link previews to keep original URL from the status (#27312) 2023-11-13 04:58:28 -05:00			`expect(status.preview_card.title).to eq('сэмпл текст')`
Ignore low-confidence CharlockHolmes guesses when parsing link cards (#9510) * Add failing test for windows-1251 link cards * Ignore low-confidence CharlockHolmes guesses Fixes #9466 * Fix no method error when charlock holmes cannot detect charset 2018-12-17 13:19:45 -05:00			`end`
			`end`

Use original URL in preview if it redirects to 4xx page (#26200) 2023-07-28 17:02:08 -04:00			`context 'with a Japanese path URL' do`
Enable to recognize most kinds of characters as URL paths (#4941) 2017-09-14 12:03:20 -04:00			`let(:status) { Fabricate(:status, text: 'テストhttp://example.com/日本語') }`

Use original URL in preview if it redirects to 4xx page (#26200) 2023-07-28 17:02:08 -04:00			`it 'fetches the URL' do`
			`expect(a_request(:get, 'http://example.com/日本語')).to have_been_made.once`
Enable to recognize most kinds of characters as URL paths (#4941) 2017-09-14 12:03:20 -04:00			`end`
			`end`
Fix URLs incorrectly having trailing hyphen removed (#6465) In cases where a URL has a trailing hyphen the FetchLinkCardService incorrectly removes the hyphen when it is parsed The hyphen is not a reserved character in the URI spec https://tools.ietf.org/html/rfc3986#section-2.2 2018-02-11 17:49:18 -05:00
Use original URL in preview if it redirects to 4xx page (#26200) 2023-07-28 17:02:08 -04:00			`context 'with a hyphen-suffixed URL' do`
Fix URLs incorrectly having trailing hyphen removed (#6465) In cases where a URL has a trailing hyphen the FetchLinkCardService incorrectly removes the hyphen when it is parsed The hyphen is not a reserved character in the URI spec https://tools.ietf.org/html/rfc3986#section-2.2 2018-02-11 17:49:18 -05:00			`let(:status) { Fabricate(:status, text: 'test http://example.com/test-') }`

Use original URL in preview if it redirects to 4xx page (#26200) 2023-07-28 17:02:08 -04:00			`it 'fetches the URL' do`
			`expect(a_request(:get, 'http://example.com/test-')).to have_been_made.once`
Fix URLs incorrectly having trailing hyphen removed (#6465) In cases where a URL has a trailing hyphen the FetchLinkCardService incorrectly removes the hyphen when it is parsed The hyphen is not a reserved character in the URI spec https://tools.ietf.org/html/rfc3986#section-2.2 2018-02-11 17:49:18 -05:00			`end`
			`end`
Fix URL scanning in note length validator and preview card fetching (#15827) * Add tests * Fix URL scanning in note length validator and preview card fetching 2021-03-03 18:12:26 -05:00
Use original URL in preview if it redirects to 4xx page (#26200) 2023-07-28 17:02:08 -04:00			`context 'with a caret-suffixed URL' do`
			`let(:status) { Fabricate(:status, text: 'test http://example.com/test?data=file.gpx^1') }`

			`it 'fetches the URL' do`
			`expect(a_request(:get, 'http://example.com/test?data=file.gpx%5E1')).to have_been_made.once`
			`end`

			`it 'does not strip the caret before fetching' do`
			`expect(a_request(:get, 'http://example.com/test?data=file.gpx')).to_not have_been_made`
			`end`
			`end`

			`context 'with a non-isolated URL' do`
Fix URL scanning in note length validator and preview card fetching (#15827) * Add tests * Fix URL scanning in note length validator and preview card fetching 2021-03-03 18:12:26 -05:00			`let(:status) { Fabricate(:status, text: 'testhttp://example.com/sjis') }`

Use original URL in preview if it redirects to 4xx page (#26200) 2023-07-28 17:02:08 -04:00			`it 'does not fetch URLs not isolated from their surroundings' do`
Fix URL scanning in note length validator and preview card fetching (#15827) * Add tests * Fix URL scanning in note length validator and preview card fetching 2021-03-03 18:12:26 -05:00			`expect(a_request(:get, 'http://example.com/sjis')).to_not have_been_made`
			`end`
			`end`
Allow carets in URL search params (#25216) 2023-06-01 06:14:49 -04:00
Use original URL in preview if it redirects to 4xx page (#26200) 2023-07-28 17:02:08 -04:00			`context 'with a URL of a page with oEmbed support' do`
			`let(:html) { '<!doctype html><title>Hello world</title><link rel="alternate" type="application/json+oembed" href="http://example.com/oembed?url=http://example.com/html">' }`
			`let(:status) { Fabricate(:status, text: 'http://example.com/html') }`
Allow carets in URL search params (#25216) 2023-06-01 06:14:49 -04:00
Use original URL in preview if it redirects to 4xx page (#26200) 2023-07-28 17:02:08 -04:00			`it 'fetches the oEmbed URL' do`
			`expect(a_request(:get, 'http://example.com/oembed?url=http://example.com/html')).to have_been_made.once`
			`end`

			`it 'creates preview card' do`
			`expect(status.preview_card).to_not be_nil`
			`expect(status.preview_card.url).to eq 'http://example.com/html'`
			`expect(status.preview_card.title).to eq 'oEmbed title'`
			`end`

			`context 'when oEmbed endpoint cache populated' do`
			`let(:oembed_cache) { { endpoint: 'http://example.com/oembed?format=json&url={url}', format: :json } }`

			`it 'uses the cached oEmbed response' do`
			`expect(a_request(:get, 'http://example.com/oembed?url=http://example.com/html')).to_not have_been_made`
			`expect(a_request(:get, 'http://example.com/oembed?format=json&url=http://example.com/html')).to have_been_made`
			`end`

			`it 'creates preview card' do`
			`expect(status.preview_card).to_not be_nil`
			`expect(status.preview_card.url).to eq 'http://example.com/html'`
			`expect(status.preview_card.title).to eq 'oEmbed title'`
			`end`
			`end`

			`# If the original HTML URL for whatever reason (e.g. DOS protection) redirects to`
			`# an error page, we can still use the cached oEmbed but should not use the`
			`# redirect URL on the card.`
			`context 'when oEmbed endpoint cache populated but page returns 404' do`
			`let(:status) { Fabricate(:status, text: 'http://example.com/redirect-to-404') }`
			`let(:oembed_cache) { { endpoint: 'http://example.com/oembed?url=http://example.com/html', format: :json } }`

			`it 'uses the cached oEmbed response' do`
			`expect(a_request(:get, 'http://example.com/oembed?url=http://example.com/html')).to have_been_made`
			`end`

			`it 'creates preview card' do`
			`expect(status.preview_card).to_not be_nil`
			`expect(status.preview_card.title).to eq 'oEmbed title'`
			`end`

			`it 'uses the original URL' do`
			`expect(status.preview_card&.url).to eq 'http://example.com/redirect-to-404'`
			`end`
Allow carets in URL search params (#25216) 2023-06-01 06:14:49 -04:00			`end`
			`end`
Punycode URI normalization (#2370) * Fix #2119 - Whenever about to send a HTTP request, normalize the URI * Add test for IDN request in FetchLinkCardService * Perform IDN normalization on domains before they are stored in the DB 2017-04-24 20:47:31 -04:00			`end`

Fix RSpec/ContextWording cop (#24739) 2023-05-03 23:49:08 -04:00			`context 'with a remote status' do`
Reformat large text arg in `FetchLinkCardService` spec (#26183) 2023-07-26 03:44:51 -04:00			`let(:status) do`
			`Fabricate(:status, account: Fabricate(:account, domain: 'example.com'), text: <<-TEXT)`
			`Habt ihr ein paar gute Links zu <a>foo</a>`
			`#<span class="tag"><a href="https://quitter.se/tag/wannacry" target="_blank" rel="tag noopener noreferrer" title="https://quitter.se/tag/wannacry">Wannacry</a></span> herumfliegen?`
Use original URL in preview if it redirects to 4xx page (#26200) 2023-07-28 17:02:08 -04:00			`Ich will mal unter <br> <a href="http://example.com/not-found" target="_blank" rel="noopener noreferrer" title="http://example.com/not-found">http://example.com/not-found</a> was sammeln. !`
Reformat large text arg in `FetchLinkCardService` spec (#26183) 2023-07-26 03:44:51 -04:00			`<a href="http://sn.jonkman.ca/group/416/id" target="_blank" rel="noopener noreferrer" title="http://sn.jonkman.ca/group/416/id">security</a> `
			`TEXT`
			`end`
Fix #2572 - Resolve preview cards for remote statuses as well as local ones (#3088) 2017-05-16 18:41:15 -04:00
			`it 'parses out URLs' do`
Use original URL in preview if it redirects to 4xx page (#26200) 2023-07-28 17:02:08 -04:00			`expect(a_request(:get, 'http://example.com/not-found')).to have_been_made.once`
Fix #2572 - Resolve preview cards for remote statuses as well as local ones (#3088) 2017-05-16 18:41:15 -04:00			`end`
Punycode URI normalization (#2370) * Fix #2119 - Whenever about to send a HTTP request, normalize the URI * Add test for IDN request in FetchLinkCardService * Perform IDN normalization on domains before they are stored in the DB 2017-04-24 20:47:31 -04:00
Fix #2572 - Resolve preview cards for remote statuses as well as local ones (#3088) 2017-05-16 18:41:15 -04:00			`it 'ignores URLs to hashtags' do`
Remove HEAD request from fetching link previews (#12028) It is not really necessary and we need to reduce requests 2019-09-30 22:54:10 -04:00			`expect(a_request(:get, 'https://quitter.se/tag/wannacry')).to_not have_been_made`
Fix #2572 - Resolve preview cards for remote statuses as well as local ones (#3088) 2017-05-16 18:41:15 -04:00			`end`
Punycode URI normalization (#2370) * Fix #2119 - Whenever about to send a HTTP request, normalize the URI * Add test for IDN request in FetchLinkCardService * Perform IDN normalization on domains before they are stored in the DB 2017-04-24 20:47:31 -04:00			`end`
			`end`