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LibURL: Correct logic for domains not matched by PSL in public_suffix
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Browse source 
For the AO defined in the URL specification, in the case the
domain does not match against the PSL, we should be returning
the TLD. This fixes a crash for a bunch of WPT tests using the
Document.domain setter when the test is being served by WPT
locally.

We should be doing similar logic in registrable_domain, but that
unfortunately runs into some other issues, so just leave a FIXME
for now.
This commit is contained in:
Shannon Booth 2025-06-28 22:19:33 +12:00 • committed by Tim Ledbetter
commit b49b1b35e4
Notes: github-actions[bot] 2025-06-29 11:49:06 +00:00
2 changed files with 60 additions and 7 deletions
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48
Tests/LibURL/TestURL.cpp
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@ -641,3 +641,51 @@ TEST_CASE(get_registrable_domain)
EXPECT_EQ(*domain, "ladybird.github.io"sv);
}
}
TEST_CASE(public_suffix)
{
{
auto domain = URL::Parser::parse_host("com"sv);
EXPECT_EQ(domain->public_suffix(), "com"sv);
}
{
auto domain = URL::Parser::parse_host("example.com"sv);
EXPECT_EQ(domain->public_suffix(), "com"sv);
}
{
auto domain = URL::Parser::parse_host("www.example.com"sv);
EXPECT_EQ(domain->public_suffix(), "com"sv);
}
{
auto domain = URL::Parser::parse_host("EXAMPLE.COM"sv);
EXPECT_EQ(domain->public_suffix(), "com"sv);
}
{
auto domain = URL::Parser::parse_host("www.example.com."sv);
EXPECT_EQ(domain->public_suffix(), "com."sv);
}
{
auto domain = URL::Parser::parse_host("github.io"sv);
EXPECT_EQ(domain->public_suffix(), "github.io"sv);
}
{
auto domain = URL::Parser::parse_host("whatwg.github.io"sv);
EXPECT_EQ(domain->public_suffix(), "github.io"sv);
}
{
auto domain = URL::Parser::parse_host("إختبار"sv);
EXPECT_EQ(domain->public_suffix(), "xn--kgbechtv"sv);
}
{
auto domain = URL::Parser::parse_host("example.إختبار"sv);
EXPECT_EQ(domain->public_suffix(), "xn--kgbechtv"sv);
}
{
auto domain = URL::Parser::parse_host("sub.example.إختبار"sv);
EXPECT_EQ(domain->public_suffix(), "xn--kgbechtv"sv);
}
{
auto domain = URL::Parser::parse_host("[2001:0db8:85a3:0000:0000:8a2e:0370:7334]"sv);
EXPECT_EQ(domain->public_suffix(), OptionalNone {});
}
}