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From 5c7bfb5c05202b4db971dd672d88a42298a0d84e Mon Sep 17 00:00:00 2001
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From: Evan Phoenix <evan@phx.io>
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Date: Mon, 18 May 2015 13:42:34 -0700
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Subject: [PATCH] Fix API endpoint domain clamping
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---
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lib/rubygems/remote_fetcher.rb | 2 +-
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test/rubygems/test_gem_remote_fetcher.rb | 30 ++++++++++++++++++++++++++++++
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2 files changed, 31 insertions(+), 1 deletion(-)
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diff --git a/lib/rubygems/remote_fetcher.rb b/lib/rubygems/remote_fetcher.rb
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index ec78e5f..3f107a3 100644
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--- a/lib/rubygems/remote_fetcher.rb
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+++ b/lib/rubygems/remote_fetcher.rb
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@@ -96,7 +96,7 @@ def api_endpoint(uri)
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else
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target = res.target.to_s.strip
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- if /#{host}\z/ =~ target
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+ if /\.#{Regexp.quote(host)}\z/ =~ target
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return URI.parse "#{uri.scheme}://#{target}#{uri.path}"
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end
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diff --git a/test/rubygems/test_gem_remote_fetcher.rb b/test/rubygems/test_gem_remote_fetcher.rb
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index a590dca..6b29e18 100644
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--- a/test/rubygems/test_gem_remote_fetcher.rb
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+++ b/test/rubygems/test_gem_remote_fetcher.rb
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@@ -196,6 +196,36 @@ def test_api_endpoint_ignores_trans_domain_values
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dns.verify
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end
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+ def test_api_endpoint_ignores_trans_domain_values_that_starts_with_original
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+ uri = URI.parse "http://example.com/foo"
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+ target = MiniTest::Mock.new
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+ target.expect :target, "example.combadguy.com"
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+
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+ dns = MiniTest::Mock.new
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+ dns.expect :getresource, target, [String, Object]
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+
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+ fetch = Gem::RemoteFetcher.new nil, dns
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+ assert_equal URI.parse("http://example.com/foo"), fetch.api_endpoint(uri)
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+
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+ target.verify
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+ dns.verify
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+ end
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+
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+ def test_api_endpoint_ignores_trans_domain_values_that_end_with_original
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+ uri = URI.parse "http://example.com/foo"
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+ target = MiniTest::Mock.new
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+ target.expect :target, "badexample.com"
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+
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+ dns = MiniTest::Mock.new
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+ dns.expect :getresource, target, [String, Object]
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+
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+ fetch = Gem::RemoteFetcher.new nil, dns
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+ assert_equal URI.parse("http://example.com/foo"), fetch.api_endpoint(uri)
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+
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+ target.verify
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+ dns.verify
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+ end
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+
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def test_cache_update_path
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uri = URI 'http://example/file'
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path = File.join @tempdir, 'file'
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