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LibWeb: Extract some CORS and MIME Fetch helpers to their own files

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An upcoming commit will migrate the contents of Headers.h/cpp to LibHTTP
for use outside of LibWeb. These CORS and MIME helpers depend on other
LibWeb facilities, however, so they cannot be moved.
This commit is contained in:
Timothy Flynn 2025-11-26 13:32:39 -05:00 • committed by Jelle Raaijmakers
parent 0fd80a8f99
commit 3dce6766a3
Notes: github-actions[bot] 2025-11-27 13:58:58 +00:00
30 changed files with 382 additions and 299 deletions
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3
Libraries/LibWeb/WebAssembly/WebAssembly.cpp
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@ -23,6 +23,7 @@
#include <LibWeb/Bindings/Intrinsics.h>
#include <LibWeb/Bindings/ResponsePrototype.h>
#include <LibWeb/ContentSecurityPolicy/BlockingAlgorithms.h>
#include <LibWeb/Fetch/Infrastructure/HTTP/MIME.h>
#include <LibWeb/Fetch/Response.h>
#include <LibWeb/HTML/Scripting/TemporaryExecutionContext.h>
#include <LibWeb/Platform/EventLoopPlugin.h>
@ -891,7 +892,7 @@ GC::Ref<WebIDL::Promise> compile_potential_webassembly_response(JS::VM& vm, GC::
// 5. If mimeType is not a byte-case-insensitive match for `application/wasm`, reject returnValue with a TypeError and abort these substeps.
// Note: extra parameters are not allowed, including the empty `application/wasm;`.
// FIXME: Validate these extra constraints that are not checked by extract_mime_type()
if (auto mime = response->header_list()->extract_mime_type(); !mime.has_value() || mime.value().essence() != "application/wasm"sv) {
if (auto mime = Fetch::Infrastructure::extract_mime_type(response->header_list()); !mime.has_value() || mime.value().essence() != "application/wasm"sv) {
WebIDL::reject_promise(realm, return_value, vm.throw_completion<JS::TypeError>("Response does not match the application/wasm MIME type"sv).value());
return JS::js_undefined();
}