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LibWeb: Compute mimetype when loading a document

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computed type != supplied type
This commit is contained in:
Gingeh
2024-11-07 16:00:40 +11:00
committed by Andreas Kling
parent 7a104fef66
commit 47992f7b39
1 changed files with 10 additions and 4 deletions
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14
Userland/Libraries/LibWeb/DOM/DocumentLoading.cpp
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@@ -18,6 +18,7 @@
#include <LibWeb/HTML/Parser/HTMLEncodingDetection.h> #include <LibWeb/HTML/Parser/HTMLEncodingDetection.h>
#include <LibWeb/HTML/Parser/HTMLParser.h> #include <LibWeb/HTML/Parser/HTMLParser.h>
#include <LibWeb/Loader/GeneratedPagesLoader.h> #include <LibWeb/Loader/GeneratedPagesLoader.h>
#include <LibWeb/MimeSniff/Resource.h>
#include <LibWeb/Namespace.h> #include <LibWeb/Namespace.h>
#include <LibWeb/Platform/EventLoopPlugin.h> #include <LibWeb/Platform/EventLoopPlugin.h>
#include <LibWeb/XML/XMLDocumentBuilder.h> #include <LibWeb/XML/XMLDocumentBuilder.h>
@@ -398,10 +399,15 @@ JS::GCPtr<DOM::Document> load_document(HTML::NavigationParams const& navigation_
// and origin initiatorOrigin, perform the following steps. They return a Document or null. // and origin initiatorOrigin, perform the following steps. They return a Document or null.
// 1. Let type be the computed type of navigationParams's response. // 1. Let type be the computed type of navigationParams's response.
auto extracted_mime_type = navigation_params.response->header_list()->extract_mime_type(); auto supplied_type = navigation_params.response->header_list()->extract_mime_type();
if (!extracted_mime_type.has_value()) auto type = MimeSniff::Resource::sniff(
return nullptr; navigation_params.response->body()->source().visit(
auto type = extracted_mime_type.release_value(); [](Empty) { return ReadonlyBytes {}; },
[](ByteBuffer const& buffer) { return ReadonlyBytes { buffer }; },
[](JS::Handle<FileAPI::Blob> const& blob) { return blob->raw_bytes(); }),
MimeSniff::SniffingConfiguration {
.sniffing_context = MimeSniff::SniffingContext::Browsing,
.supplied_type = move(supplied_type) });
VERIFY(navigation_params.response->body()); VERIFY(navigation_params.response->body());