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Browser+LibWeb+WebContent: Allow Browser to load local files

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To achieve this goal:
 - The Browser unveils "/tmp/portal/filesystemaccess"
 - Pass the page through LoadRequest => ResourceLoader
 - ResourceLoader requests a file to the FileSystemAccessServer via IPC
 - OutOfProcessWebView handles it and sends a file descriptor back to
 the Page.
This commit is contained in:
Lucas CHOLLET 2022-02-26 17:50:31 +01:00 • committed by Linus Groh
parent 1ba9c821fb
commit 662711fa26
21 changed files with 165 additions and 14 deletions
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56
Userland/Libraries/LibWeb/Loader/ResourceLoader.cpp
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@ -213,21 +213,51 @@ void ResourceLoader::load(LoadRequest& request, Function<void(ReadonlyBytes, Has
}
if (url.protocol() == "file") {
auto file_result = Core::File::open(url.path(), Core::OpenMode::ReadOnly);
if (file_result.is_error()) {
auto& error = file_result.error();
log_failure(request, error);
if (error_callback)
error_callback(String::formatted("{}", error), error.code());
return;
}
if (request.page().has_value())
m_page = request.page().value();
auto file = file_result.release_value();
auto data = file->read_all();
log_success(request);
deferred_invoke([data = move(data), success_callback = move(success_callback)] {
VERIFY(m_page.has_value());
auto file_ref = make_ref_counted<FileRequest>(url.path());
file_ref->on_file_request_finish = [this, success_callback = move(success_callback), error_callback = move(error_callback), log_success, log_failure, request, file_ref](ErrorOr<i32> file_or_error) {
--m_pending_loads;
if (on_load_counter_change)
on_load_counter_change();
if (file_or_error.is_error()) {
log_failure(request, file_or_error.error());
if (error_callback)
error_callback(String::formatted("{}", file_or_error.error()), file_or_error.error().code());
return;
}
auto const fd = file_or_error.value();
auto maybe_file = Core::Stream::File::adopt_fd(fd, Core::Stream::OpenMode::Read);
if (maybe_file.is_error()) {
log_failure(request, maybe_file.error());
if (error_callback)
error_callback(String::formatted("{}", maybe_file.error()), maybe_file.error().code());
return;
}
auto file = maybe_file.release_value();
auto maybe_data = file->read_all();
if (maybe_data.is_error()) {
log_failure(request, maybe_data.error());
if (error_callback)
error_callback(String::formatted("{}", maybe_data.error()), maybe_data.error().code());
return;
}
auto data = maybe_data.release_value();
log_success(request);
success_callback(data, {}, {});
});
};
m_page->client().request_file(file_ref);
++m_pending_loads;
if (on_load_counter_change)
on_load_counter_change();
return;
}