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LibWeb: Add statusText validation for Response constructor

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Implemented validation to ensure `statusText` matches the
`reason-phrase` token production.

This change fixes a WPT subtest which I have imported.
This commit is contained in:
Feng Yu
2024-12-10 10:53:02 -08:00
committed by Andrew Kaster
parent 93a1c45eb2
commit 9c243caac4
4 changed files with 73 additions and 1 deletions
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16
Libraries/LibWeb/Fetch/Response.cpp
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@@ -84,6 +84,18 @@ GC::Ref<Response> Response::create(JS::Realm& realm, GC::Ref<Infrastructure::Res
return response_object;
}
// https://httpwg.org/specs/rfc9112.html#status.line
static bool is_valid_status_text(StringView status_text)
{
// A status text is a valid status text if it matches the reason-phrase token production.
// reason-phrase = 1*( HTAB / SP / VCHAR / obs-text )
// VCHAR = %x21-7E
// obs-text = %x80-FF
return all_of(status_text, [](auto c) {
return c == '\t' || c == ' ' || (c >= 0x21 && c <= 0x7E) || (c >= 0x80 && c <= 0xFF);
});
}
// https://fetch.spec.whatwg.org/#initialize-a-response
WebIDL::ExceptionOr<void> Response::initialize_response(ResponseInit const& init, Optional<Infrastructure::BodyWithType> const& body)
{
@@ -91,7 +103,9 @@ WebIDL::ExceptionOr<void> Response::initialize_response(ResponseInit const& init
if (init.status < 200 || init.status > 599)
return WebIDL::SimpleException { WebIDL::SimpleExceptionType::RangeError, "Status must be in range 200-599"sv };
// FIXME: 2. If init["statusText"] does not match the reason-phrase token production, then throw a TypeError.
// 2. If init["statusText"] does not match the reason-phrase token production, then throw a TypeError.
if (!is_valid_status_text(init.status_text))
return WebIDL::SimpleException { WebIDL::SimpleExceptionType::TypeError, "Invalid statusText: does not match the reason-phrase token production"sv };
// 3. Set response’s response’s status to init["status"].
m_response->set_status(init.status);