ladybird/Libraries/LibURL/Origin.h

106 lines
3.2 KiB
C++

/*
* Copyright (c) 2020, Andreas Kling <andreas@ladybird.org>
* Copyright (c) 2022, Linus Groh <linusg@serenityos.org>
*
* SPDX-License-Identifier: BSD-2-Clause
*/
#pragma once
#include <AK/ByteString.h>
#include <LibURL/Host.h>
namespace URL {
class Origin {
public:
Origin() = default;
Origin(Optional<ByteString> const& scheme, Host const& host, Optional<u16> port)
: m_scheme(scheme)
, m_host(host)
, m_port(port)
{
}
// https://html.spec.whatwg.org/multipage/origin.html#concept-origin-opaque
bool is_opaque() const { return !m_scheme.has_value() && m_host.has<Empty>() && !m_port.has_value(); }
StringView scheme() const
{
return m_scheme.map([](auto& str) { return str.view(); }).value_or(StringView {});
}
Host const& host() const { return m_host; }
Optional<u16> port() const { return m_port; }
// https://html.spec.whatwg.org/multipage/origin.html#same-origin
bool is_same_origin(Origin const& other) const
{
// 1. If A and B are the same opaque origin, then return true.
if (is_opaque() && other.is_opaque())
return true;
// 2. If A and B are both tuple origins and their schemes, hosts, and port are identical, then return true.
// 3. Return false.
return scheme() == other.scheme()
&& host() == other.host()
&& port() == other.port();
}
// https://html.spec.whatwg.org/multipage/origin.html#same-origin-domain
bool is_same_origin_domain(Origin const& other) const
{
// 1. If A and B are the same opaque origin, then return true.
if (is_opaque() && other.is_opaque())
return true;
// 2. If A and B are both tuple origins, run these substeps:
if (!is_opaque() && !other.is_opaque()) {
// 1. If A and B's schemes are identical, and their domains are identical and non-null, then return true.
// FIXME: Check domains once supported.
if (scheme() == other.scheme())
return true;
// 2. Otherwise, if A and B are same origin and their domains are identical and null, then return true.
// FIXME: Check domains once supported.
if (is_same_origin(other))
return true;
}
// 3. Return false.
return false;
}
// https://html.spec.whatwg.org/multipage/origin.html#ascii-serialisation-of-an-origin
ByteString serialize() const;
// https://html.spec.whatwg.org/multipage/origin.html#concept-origin-effective-domain
Optional<Host> effective_domain() const
{
// 1. If origin is an opaque origin, then return null.
if (is_opaque())
return {};
// FIXME: 2. If origin's domain is non-null, then return origin's domain.
// 3. Return origin's host.
return m_host;
}
bool operator==(Origin const& other) const { return is_same_origin(other); }
private:
Optional<ByteString> m_scheme;
Host m_host;
Optional<u16> m_port;
};
}
namespace AK {
template<>
struct Traits<URL::Origin> : public DefaultTraits<URL::Origin> {
static unsigned hash(URL::Origin const& origin);
};
} // namespace AK