From 88d64fcb553fa2c95b0153649d5fcc1db99d75f8 Mon Sep 17 00:00:00 2001 From: Sam Atkins Date: Wed, 29 Mar 2023 12:46:50 +0100 Subject: [PATCH] LibWeb: Add HTMLAnchorElement.referrerPolicy property --- Userland/Libraries/LibWeb/CMakeLists.txt | 1 + .../Libraries/LibWeb/HTML/AttributeNames.h | 1 + .../LibWeb/HTML/HTMLAnchorElement.cpp | 19 +++++++ .../Libraries/LibWeb/HTML/HTMLAnchorElement.h | 3 + .../LibWeb/HTML/HTMLAnchorElement.idl | 2 + .../LibWeb/ReferrerPolicy/ReferrerPolicy.cpp | 55 +++++++++++++++++++ .../LibWeb/ReferrerPolicy/ReferrerPolicy.h | 6 ++ 7 files changed, 87 insertions(+) create mode 100644 Userland/Libraries/LibWeb/ReferrerPolicy/ReferrerPolicy.cpp diff --git a/Userland/Libraries/LibWeb/CMakeLists.txt b/Userland/Libraries/LibWeb/CMakeLists.txt index b6d195196b..761469ac09 100644 --- a/Userland/Libraries/LibWeb/CMakeLists.txt +++ b/Userland/Libraries/LibWeb/CMakeLists.txt @@ -450,6 +450,7 @@ set(SOURCES Platform/Timer.cpp Platform/TimerSerenity.cpp ReferrerPolicy/AbstractOperations.cpp + ReferrerPolicy/ReferrerPolicy.cpp RequestIdleCallback/IdleDeadline.cpp ResizeObserver/ResizeObserver.cpp SecureContexts/AbstractOperations.cpp diff --git a/Userland/Libraries/LibWeb/HTML/AttributeNames.h b/Userland/Libraries/LibWeb/HTML/AttributeNames.h index e1bbf094f1..9d602b6c0e 100644 --- a/Userland/Libraries/LibWeb/HTML/AttributeNames.h +++ b/Userland/Libraries/LibWeb/HTML/AttributeNames.h @@ -195,6 +195,7 @@ namespace AttributeNames { __ENUMERATE_HTML_ATTRIBUTE(poster) \ __ENUMERATE_HTML_ATTRIBUTE(preload) \ __ENUMERATE_HTML_ATTRIBUTE(readonly) \ + __ENUMERATE_HTML_ATTRIBUTE(referrerpolicy) \ __ENUMERATE_HTML_ATTRIBUTE(rel) \ __ENUMERATE_HTML_ATTRIBUTE(required) \ __ENUMERATE_HTML_ATTRIBUTE(rev) \ diff --git a/Userland/Libraries/LibWeb/HTML/HTMLAnchorElement.cpp b/Userland/Libraries/LibWeb/HTML/HTMLAnchorElement.cpp index adc04c6cc2..ae97373209 100644 --- a/Userland/Libraries/LibWeb/HTML/HTMLAnchorElement.cpp +++ b/Userland/Libraries/LibWeb/HTML/HTMLAnchorElement.cpp @@ -7,6 +7,7 @@ #include #include #include +#include namespace Web::HTML { @@ -114,4 +115,22 @@ void HTMLAnchorElement::set_text(DeprecatedString const& text) string_replace_all(text); } +// https://html.spec.whatwg.org/multipage/text-level-semantics.html#dom-a-referrerpolicy +DeprecatedString HTMLAnchorElement::referrer_policy() const +{ + // The IDL attribute referrerPolicy must reflect the referrerpolicy content attribute, limited to only known values. + auto policy_string = attribute(HTML::AttributeNames::referrerpolicy); + auto maybe_policy = ReferrerPolicy::from_string(policy_string); + if (maybe_policy.has_value()) + return ReferrerPolicy::to_string(maybe_policy.value()); + return ""; +} + +// https://html.spec.whatwg.org/multipage/text-level-semantics.html#dom-a-referrerpolicy +WebIDL::ExceptionOr HTMLAnchorElement::set_referrer_policy(DeprecatedString const& referrer_policy) +{ + // The IDL attribute referrerPolicy must reflect the referrerpolicy content attribute, limited to only known values. + return set_attribute(HTML::AttributeNames::referrerpolicy, referrer_policy); +} + } diff --git a/Userland/Libraries/LibWeb/HTML/HTMLAnchorElement.h b/Userland/Libraries/LibWeb/HTML/HTMLAnchorElement.h index 103ef7d284..e33e3d46bd 100644 --- a/Userland/Libraries/LibWeb/HTML/HTMLAnchorElement.h +++ b/Userland/Libraries/LibWeb/HTML/HTMLAnchorElement.h @@ -26,6 +26,9 @@ public: DeprecatedString text() const; void set_text(DeprecatedString const&); + DeprecatedString referrer_policy() const; + WebIDL::ExceptionOr set_referrer_policy(DeprecatedString const&); + // ^EventTarget // https://html.spec.whatwg.org/multipage/interaction.html#the-tabindex-attribute:the-a-element virtual bool is_focusable() const override { return has_attribute(HTML::AttributeNames::href); } diff --git a/Userland/Libraries/LibWeb/HTML/HTMLAnchorElement.idl b/Userland/Libraries/LibWeb/HTML/HTMLAnchorElement.idl index 49598f3aeb..f9f269173b 100644 --- a/Userland/Libraries/LibWeb/HTML/HTMLAnchorElement.idl +++ b/Userland/Libraries/LibWeb/HTML/HTMLAnchorElement.idl @@ -17,6 +17,8 @@ interface HTMLAnchorElement : HTMLElement { [CEReactions] attribute DOMString text; + [CEReactions] attribute DOMString referrerPolicy; + // Obsolete [CEReactions, Reflect] attribute DOMString coords; [CEReactions, Reflect] attribute DOMString charset; diff --git a/Userland/Libraries/LibWeb/ReferrerPolicy/ReferrerPolicy.cpp b/Userland/Libraries/LibWeb/ReferrerPolicy/ReferrerPolicy.cpp new file mode 100644 index 0000000000..51309409c5 --- /dev/null +++ b/Userland/Libraries/LibWeb/ReferrerPolicy/ReferrerPolicy.cpp @@ -0,0 +1,55 @@ +/* + * Copyright (c) 2023, Sam Atkins + * + * SPDX-License-Identifier: BSD-2-Clause + */ + +#include + +namespace Web::ReferrerPolicy { + +StringView to_string(ReferrerPolicy referrer_policy) +{ + switch (referrer_policy) { + case ReferrerPolicy::NoReferrer: + return "no-referrer"sv; + case ReferrerPolicy::NoReferrerWhenDowngrade: + return "no-referrer-when-downgrade"sv; + case ReferrerPolicy::SameOrigin: + return "same-origin"sv; + case ReferrerPolicy::Origin: + return "origin"sv; + case ReferrerPolicy::StrictOrigin: + return "strict-origin"sv; + case ReferrerPolicy::OriginWhenCrossOrigin: + return "origin-when-cross-origin"sv; + case ReferrerPolicy::StrictOriginWhenCrossOrigin: + return "strict-origin-when-cross-origin"sv; + case ReferrerPolicy::UnsafeURL: + return "unsafe-url"sv; + } + VERIFY_NOT_REACHED(); +} + +Optional from_string(StringView string) +{ + if (string.equals_ignoring_ascii_case("no-referrer"sv)) + return ReferrerPolicy::NoReferrer; + if (string.equals_ignoring_ascii_case("no-referrer-when-downgrade"sv)) + return ReferrerPolicy::NoReferrerWhenDowngrade; + if (string.equals_ignoring_ascii_case("same-origin"sv)) + return ReferrerPolicy::SameOrigin; + if (string.equals_ignoring_ascii_case("origin"sv)) + return ReferrerPolicy::Origin; + if (string.equals_ignoring_ascii_case("strict-origin"sv)) + return ReferrerPolicy::StrictOrigin; + if (string.equals_ignoring_ascii_case("origin-when-cross-origin"sv)) + return ReferrerPolicy::OriginWhenCrossOrigin; + if (string.equals_ignoring_ascii_case("strict-origin-when-cross-origin"sv)) + return ReferrerPolicy::StrictOriginWhenCrossOrigin; + if (string.equals_ignoring_ascii_case("unsafe-url"sv)) + return ReferrerPolicy::UnsafeURL; + return {}; +} + +} diff --git a/Userland/Libraries/LibWeb/ReferrerPolicy/ReferrerPolicy.h b/Userland/Libraries/LibWeb/ReferrerPolicy/ReferrerPolicy.h index dc440e33d2..6679272e3d 100644 --- a/Userland/Libraries/LibWeb/ReferrerPolicy/ReferrerPolicy.h +++ b/Userland/Libraries/LibWeb/ReferrerPolicy/ReferrerPolicy.h @@ -6,6 +6,9 @@ #pragma once +#include +#include + namespace Web::ReferrerPolicy { // https://w3c.github.io/webappsec-referrer-policy/#enumdef-referrerpolicy @@ -24,4 +27,7 @@ enum class ReferrerPolicy { // The default referrer policy is "strict-origin-when-cross-origin". constexpr auto DEFAULT_REFERRER_POLICY = ReferrerPolicy::StrictOriginWhenCrossOrigin; +StringView to_string(ReferrerPolicy); +Optional from_string(StringView); + }