ladybird/Libraries/LibURL/Site.cpp
2024-11-30 12:07:39 +01:00

83 lines
2.5 KiB
C++

/*
* Copyright (c) 2024, Sam Atkins <sam@ladybird.org>
*
* SPDX-License-Identifier: BSD-2-Clause
*/
#include <LibURL/Site.h>
namespace URL {
// https://html.spec.whatwg.org/multipage/browsers.html#obtain-a-site
Site Site::obtain(Origin const& origin)
{
// 1. If origin is an opaque origin, then return origin.
if (origin.is_opaque())
return Site { origin };
// 2. If origin's host's registrable domain is null, then return (origin's scheme, origin's host).
auto origin_scheme = origin.scheme().value_or_lazy_evaluated([]() { return String {}; });
auto registrable_domain = origin.host().registrable_domain();
if (!registrable_domain.has_value())
return Site { SchemeAndHost { origin_scheme, origin.host() } };
// 3. Return (origin's scheme, origin's host's registrable domain).
return Site { SchemeAndHost { origin_scheme, Host { *registrable_domain } } };
}
Site::Site(Variant<Origin, SchemeAndHost> value)
: m_value(move(value))
{
}
// https://html.spec.whatwg.org/multipage/browsers.html#concept-site-same-site
bool Site::is_same_site(Site const& other) const
{
// 1. If A and B are the same opaque origin, then return true.
// NOTE: Origins in sites are always opaque.
// FIXME: Currently all opaque origins are identical, how should we distinguish them?
if (m_value.has<Origin>() && other.m_value.has<Origin>())
return true;
// 2. If A or B is an opaque origin, then return false.
if (m_value.has<Origin>() || other.m_value.has<Origin>())
return false;
// 3. If A's and B's scheme values are different, then return false.
auto& a = m_value.get<SchemeAndHost>();
auto& b = other.m_value.get<SchemeAndHost>();
if (a.scheme != b.scheme)
return false;
// 4. If A's and B's host values are not equal, then return false.
if (a.host != b.host)
return false;
// 5. Return true.
return true;
}
// https://html.spec.whatwg.org/multipage/browsers.html#serialization-of-a-site
String Site::serialize() const
{
// 1. If site is an opaque origin, then return "null".
if (m_value.has<Origin>())
return "null"_string;
// 2. Let result be site[0].
auto& [scheme, host] = m_value.get<SchemeAndHost>();
StringBuilder result;
result.append(scheme);
// 3. Append "://" to result.
result.append("://"sv);
// 4. Append site[1], serialized, to result.
result.append(host.serialize());
// 5. Return result.
return result.to_string_without_validation();
}
}