mirrors/ladybird
0
0
Fork 0
mirror of https://github.com/LadybirdBrowser/ladybird.git synced 2025-05-02 01:08:48 +00:00
Code Issues Projects Releases Packages Wiki Activity Actions 9

LibWeb: Implement <meta http-equiv="Refresh">

Browse source 
Required by Atlassian to continue to their authorization process.
Also used by the SerenityOS FAQ redirect on the website, the Bootstrap
documentation for going to older versions from the dropdown and
likely several other sites.
This commit is contained in:
Luke Wilde 2023-07-28 02:20:57 +01:00 • committed by Andreas Kling
parent 0e8a0a8191
commit 34c702e6e8
Notes: sideshowbarker 2024-07-16 20:31:50 +09:00
4 changed files with 242 additions and 0 deletions
Download patch file Download diff file Expand all files Collapse all files

48
Userland/Libraries/LibWeb/HTML/HTMLMetaElement.cpp
View file

@ -1,10 +1,12 @@
/*
* Copyright (c) 2020, the SerenityOS developers.
* Copyright (c) 2023, Luke Wilde <lukew@serenityos.org>
*
* SPDX-License-Identifier: BSD-2-Clause
*/
#include <LibWeb/Bindings/Intrinsics.h>
#include <LibWeb/DOM/Document.h>
#include <LibWeb/HTML/HTMLMetaElement.h>
namespace Web::HTML {
@ -24,4 +26,50 @@ JS::ThrowCompletionOr<void> HTMLMetaElement::initialize(JS::Realm& realm)
return {};
}
Optional<HTMLMetaElement::HttpEquivAttributeState> HTMLMetaElement::http_equiv_state() const
{
auto value = attribute(HTML::AttributeNames::http_equiv);
#define __ENUMERATE_HTML_META_HTTP_EQUIV_ATTRIBUTE(keyword, state) \
if (value.equals_ignoring_ascii_case(#keyword##sv)) \
return HTMLMetaElement::HttpEquivAttributeState::state;
ENUMERATE_HTML_META_HTTP_EQUIV_ATTRIBUTES
#undef __ENUMERATE_HTML_META_HTTP_EQUIV_ATTRIBUTE
return OptionalNone {};
}
void HTMLMetaElement::inserted()
{
Base::inserted();
// https://html.spec.whatwg.org/multipage/semantics.html#pragma-directives
// When a meta element is inserted into the document, if its http-equiv attribute is present and represents one of
// the above states, then the user agent must run the algorithm appropriate for that state, as described in the
// following list:
auto http_equiv = http_equiv_state();
if (http_equiv.has_value()) {
switch (http_equiv.value()) {
case HttpEquivAttributeState::Refresh: {
// https://html.spec.whatwg.org/multipage/semantics.html#attr-meta-http-equiv-refresh
// 1. If the meta element has no content attribute, or if that attribute's value is the empty string, then return.
// 2. Let input be the value of the element's content attribute.
if (!has_attribute(AttributeNames::content))
break;
auto input = attribute(AttributeNames::content);
if (input.is_empty())
break;
// 3. Run the shared declarative refresh steps with the meta element's node document, input, and the meta element.
document().shared_declarative_refresh_steps(input, this);
break;
}
default:
dbgln("FIXME: Implement '{}' http-equiv state", attribute(AttributeNames::http_equiv));
break;
}
}
}
}