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LibWeb/Fetch: Implement the "set the Sec-Fetch-Mode header" AO

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Jamie Mansfield 2024-04-29 20:55:44 +01:00 committed by Andreas Kling
parent f4af1833c1
commit 5eb46a5f01
Notes: sideshowbarker 2024-07-16 23:38:54 +09:00 
Author: https://github.com/jamierocks
Commit: https://github.com/SerenityOS/serenity/commit/5eb46a5f01
Pull-request: https://github.com/SerenityOS/serenity/pull/24164
Reviewed-by: https://github.com/kennethmyhra ✅
2 changed files with 21 additions and 0 deletions
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20
Userland/Libraries/LibWeb/Fetch/Fetching/Fetching.cpp
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@ -2019,4 +2019,24 @@ void set_sec_fetch_dest_header(Infrastructure::Request& request)
request.header_list()->append(move(header));
}
// https://w3c.github.io/webappsec-fetch-metadata/#abstract-opdef-set-dest
void set_sec_fetch_mode_header(Infrastructure::Request& request)
{
// 1. Assert: r’s url is a potentially trustworthy URL.
VERIFY(SecureContexts::is_url_potentially_trustworthy(request.url()) == SecureContexts::Trustworthiness::PotentiallyTrustworthy);
// 2. Let header be a Structured Header whose value is a token.
// FIXME: This is handled below, as Serenity doesn't have APIs for RFC 8941.
// 3. Set header’s value to r’s mode.
auto header_value = MUST(ByteBuffer::copy(Infrastructure::request_mode_to_string(request.mode()).bytes()));
// 4. Set a structured field value `Sec-Fetch-Mode`/header in r’s header list.
auto header = Infrastructure::Header {
.name = MUST(ByteBuffer::copy("Sec-Fetch-Mode"sv.bytes())),
.value = move(header_value),
};
request.header_list()->append(move(header));
}
}

1
Userland/Libraries/LibWeb/Fetch/Fetching/Fetching.h
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@ -40,4 +40,5 @@ WebIDL::ExceptionOr<JS::NonnullGCPtr<PendingResponse>> http_network_or_cache_fet
WebIDL::ExceptionOr<JS::NonnullGCPtr<PendingResponse>> nonstandard_resource_loader_file_or_http_network_fetch(JS::Realm&, Infrastructure::FetchParams const&, IncludeCredentials include_credentials = IncludeCredentials::No, IsNewConnectionFetch is_new_connection_fetch = IsNewConnectionFetch::No);
WebIDL::ExceptionOr<JS::NonnullGCPtr<PendingResponse>> cors_preflight_fetch(JS::Realm&, Infrastructure::Request&);
void set_sec_fetch_dest_header(Infrastructure::Request&);
void set_sec_fetch_mode_header(Infrastructure::Request&);
}