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LibWeb: Implement formData() method steps for x-www-form-urlencoded

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The Response interface of the Fetch API can now parse form urlencoded
bodies when Content-Type is set to 'application/x-www-form-urlencoded'.
This commit is contained in:
Kenneth Myhra 2024-07-22 13:49:07 +02:00 • committed by Andreas Kling
commit b8fa572c67
Notes: github-actions[bot] 2024-07-23 07:03:35 +00:00
5 changed files with 46 additions and 6 deletions
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15
Userland/Libraries/LibWeb/Fetch/Body.cpp
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@ -15,6 +15,7 @@
#include <LibWeb/Bindings/ExceptionOrUtils.h>
#include <LibWeb/Bindings/HostDefined.h>
#include <LibWeb/Bindings/MainThreadVM.h>
#include <LibWeb/DOMURL/URLSearchParams.h>
#include <LibWeb/Fetch/Body.h>
#include <LibWeb/Fetch/Infrastructure/HTTP/Bodies.h>
#include <LibWeb/FileAPI/Blob.h>
@ -23,6 +24,7 @@
#include <LibWeb/MimeSniff/MimeType.h>
#include <LibWeb/Streams/ReadableStream.h>
#include <LibWeb/WebIDL/Promise.h>
#include <LibWeb/XHR/FormData.h>
namespace Web::Fetch {
@ -143,10 +145,15 @@ WebIDL::ExceptionOr<JS::Value> package_data(JS::Realm& realm, ByteBuffer bytes,
}
// Otherwise, if mimeType’s essence is "application/x-www-form-urlencoded", then:
else if (mime_type.has_value() && mime_type->essence() == "application/x-www-form-urlencoded"sv) {
// FIXME: 1. Let entries be the result of parsing bytes.
// FIXME: 2. If entries is failure, then throw a TypeError.
// FIXME: 3. Return a new FormData object whose entry list is entries.
return JS::js_null();
// 1. Let entries be the result of parsing bytes.
auto entries = DOMURL::url_decode(StringView { bytes });
// 2. If entries is failure, then throw a TypeError.
if (entries.is_error())
return WebIDL::SimpleException { WebIDL::SimpleExceptionType::TypeError, entries.error().string_literal() };
// 3. Return a new FormData object whose entry list is entries.
return TRY(XHR::FormData::create(realm, entries.release_value()));
}
// Otherwise, throw a TypeError.
else {