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Enable to recognize most kinds of characters as URL paths (#4941)
This commit is contained in:
ふぁぼ原
Eugen Rochko
parent
b39d512ade
commit
3816943e6b
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@ -131,7 +131,7 @@ class Formatter
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end
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def link_html(url)
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url = Addressable::URI.parse(url).display_uri.to_s
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url = Addressable::URI.parse(url).to_s
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prefix = url.match(/\Ahttps?:\/\/(www\.)?/).to_s
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text = url[prefix.length, 30]
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suffix = url[prefix.length + 30..-1]
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@ -1,9 +1,15 @@
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# frozen_string_literal: true
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class FetchLinkCardService < BaseService
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include ActionView::Helpers::TagHelper
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URL_PATTERN = %r{https?://\S+}
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URL_PATTERN = %r{
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( # $1 URL
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(https?:\/\/)? # $2 Protocol (optional)
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(#{Twitter::Regex[:valid_domain]}) # $3 Domain(s)
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(?::(#{Twitter::Regex[:valid_port_number]}))? # $4 Port number (optional)
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(/#{Twitter::Regex[:valid_url_path]}*)? # $5 URL Path and anchor
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(\?#{Twitter::Regex[:valid_url_query_chars]}*#{Twitter::Regex[:valid_url_query_ending_chars]})? # $6 Query String
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)
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}iox
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def call(status)
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@status = status
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@ -42,7 +48,7 @@ class FetchLinkCardService < BaseService
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def parse_urls
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if @status.local?
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urls = @status.text.match(URL_PATTERN).to_a.map { |uri| Addressable::URI.parse(uri).normalize }
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urls = @status.text.scan(URL_PATTERN).map { |array| Addressable::URI.parse(array[0]).normalize }
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else
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html = Nokogiri::HTML(@status.text)
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links = html.css('a')
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42
config/initializers/twitter_regex.rb
Normal file
42
config/initializers/twitter_regex.rb
Normal file
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@ -0,0 +1,42 @@
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module Twitter
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class Regex
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REGEXEN[:valid_general_url_path_chars] = /[^\p{White_Space}\(\)\?]/iou
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REGEXEN[:valid_url_path_ending_chars] = /[^\p{White_Space}\(\)\?!\*';:=\,\.\$%\[\]\p{Pd}_~&\|@]|(?:#{REGEXEN[:valid_url_balanced_parens]})/iou
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REGEXEN[:valid_url_balanced_parens] = /
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\(
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(?:
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#{REGEXEN[:valid_general_url_path_chars]}+
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# allow one nested level of balanced parentheses
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(?:
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#{REGEXEN[:valid_general_url_path_chars]}*
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\(
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#{REGEXEN[:valid_general_url_path_chars]}+
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\)
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#{REGEXEN[:valid_general_url_path_chars]}*
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)
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)
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\)
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/iox
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REGEXEN[:valid_url_path] = /(?:
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(?:
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#{REGEXEN[:valid_general_url_path_chars]}*
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(?:#{REGEXEN[:valid_url_balanced_parens]} #{REGEXEN[:valid_general_url_path_chars]}*)*
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#{REGEXEN[:valid_url_path_ending_chars]}
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)|(?:#{REGEXEN[:valid_general_url_path_chars]}+\/)
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)/iox
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REGEXEN[:valid_url] = %r{
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( # $1 total match
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(#{REGEXEN[:valid_url_preceding_chars]}) # $2 Preceeding chracter
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( # $3 URL
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(https?:\/\/)? # $4 Protocol (optional)
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(#{REGEXEN[:valid_domain]}) # $5 Domain(s)
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(?::(#{REGEXEN[:valid_port_number]}))? # $6 Port number (optional)
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(/#{REGEXEN[:valid_url_path]}*)? # $7 URL Path and anchor
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(\?#{REGEXEN[:valid_url_query_chars]}*#{REGEXEN[:valid_url_query_ending_chars]})? # $8 Query String
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)
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)
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}iox
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end
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end
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@ -89,6 +89,38 @@ RSpec.describe Formatter do
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end
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end
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context 'matches a URL with Japanese path string' do
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let(:text) { 'https://ja.wikipedia.org/wiki/日本' }
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it 'has valid URL' do
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is_expected.to include 'href="https://ja.wikipedia.org/wiki/%E6%97%A5%E6%9C%AC"'
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end
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end
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context 'matches a URL with Korean path string' do
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let(:text) { 'https://ko.wikipedia.org/wiki/대한민국' }
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it 'has valid URL' do
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is_expected.to include 'href="https://ko.wikipedia.org/wiki/%EB%8C%80%ED%95%9C%EB%AF%BC%EA%B5%AD"'
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end
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end
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context 'matches a URL with Simplified Chinese path string' do
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let(:text) { 'https://baike.baidu.com/item/中华人民共和国' }
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it 'has valid URL' do
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is_expected.to include 'href="https://baike.baidu.com/item/%E4%B8%AD%E5%8D%8E%E4%BA%BA%E6%B0%91%E5%85%B1%E5%92%8C%E5%9B%BD"'
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end
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end
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context 'matches a URL with Traditional Chinese path string' do
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let(:text) { 'https://zh.wikipedia.org/wiki/臺灣' }
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it 'has valid URL' do
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is_expected.to include 'href="https://zh.wikipedia.org/wiki/%E8%87%BA%E7%81%A3"'
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end
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end
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context 'contains HTML (script tag)' do
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let(:text) { '<script>alert("Hello")</script>' }
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@ -12,6 +12,8 @@ RSpec.describe FetchLinkCardService do
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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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subject.call(status)
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@ -52,6 +54,15 @@ RSpec.describe FetchLinkCardService do
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expect(status.preview_cards.first.title).to eq("Московя начинаетъ только въ XVI ст. привлекать внимане иностранцевъ.")
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end
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end
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context do
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let(:status) { Fabricate(:status, text: 'テストhttp://example.com/日本語') }
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it 'works with Japanese path string' do
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expect(a_request(:get, 'http://example.com/日本語')).to have_been_made.at_least_once
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expect(status.preview_cards.first.title).to eq("SJISのページ")
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end
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end
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end
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context 'in a remote status' do
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