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Code

Decodes URL containing IDN (#2436)

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This commit is contained in:
Yamagishi Kazutoshi 2017-04-25 22:03:51 +09:00 committed by Eugen Rochko
parent 164bad171f
commit 3ea5b948a4
2 changed files with 19 additions and 12 deletions
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10
app/lib/formatter.rb
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@ -61,20 +61,15 @@ class Formatter
result = ''
last_index = entities.reduce(0) do |index, entity|
normalized_url = Addressable::URI.parse(entity[:url]).normalize
indices = entity[:indices]
result += encode(chars[index...indices.first].join)
result += Twitter::Autolink.send(:link_to_text, entity, link_html(entity[:url]), entity[:url], html_attrs)
result += Twitter::Autolink.send(:link_to_text, entity, link_html(entity[:url]), normalized_url, html_attrs)
indices.last
end
result += encode(chars[last_index..-1].join)
end
def link_urls(html)
Twitter::Autolink.auto_link_urls(html, url_target: '_blank',
link_attribute_block: lambda { |_, a| a[:rel] << ' noopener' },
link_text_block: lambda { |_, text| link_html(text) })
end
def link_mentions(html, mentions)
html.gsub(Account::MENTION_RE) do |match|
acct = Account::MENTION_RE.match(match)[1]
@ -102,6 +97,7 @@ class Formatter
end
def link_html(url)
url = Addressable::URI.parse(url).display_uri.to_s
prefix = url.match(/\Ahttps?:\/\/(www\.)?/).to_s
text = url[prefix.length, 30]
suffix = url[prefix.length + 30..-1]

21
spec/lib/formatter_spec.rb
View File

@ -18,7 +18,7 @@ RSpec.describe Formatter do
end
it 'contains a link' do
expect(subject).to match('<a href="http://google.com" rel="nofollow noopener" target="_blank"><span class="invisible">http://</span><span class="">google.com</span><span class="invisible"></span></a>')
expect(subject).to match('<a href="http://google.com/" rel="nofollow noopener" target="_blank"><span class="invisible">http://</span><span class="">google.com/</span><span class="invisible"></span></a>')
end
context 'matches a stand-alone medium URL' do
@ -31,7 +31,18 @@ RSpec.describe Formatter do
context 'matches a stand-alone google URL' do
let(:local_text) { 'http://google.com' }
it 'has valid url' do
expect(subject).to include('href="http://google.com"')
expect(subject).to include('href="http://google.com/"')
end
end
context 'matches a stand-alone IDN URL' do
let(:local_text) { 'https://nic.みんな/' }
it 'has valid url' do
expect(subject).to include('href="https://nic.xn--q9jyb4c/"')
end
it 'has display url' do
expect(subject).to include('<span class="">nic.みんな/</span>')
end
end
@ -51,21 +62,21 @@ RSpec.describe Formatter do
context 'matches a URL without exclamation point' do
let(:local_text) { 'http://www.google.com!' }
it 'has valid url' do
expect(subject).to include('href="http://www.google.com"')
expect(subject).to include('href="http://www.google.com/"')
end
end
context 'matches a URL without single quote' do
let(:local_text) { "http://www.google.com'" }
it 'has valid url' do
expect(subject).to include('href="http://www.google.com"')
expect(subject).to include('href="http://www.google.com/"')
end
end
context 'matches a URL without angle brackets' do
let(:local_text) { 'http://www.google.com>' }
it 'has valid url' do
expect(subject).to include('href="http://www.google.com"')
expect(subject).to include('href="http://www.google.com/"')
end
end