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LibWeb/MimeSniff: Implement Resource

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See https://mimesniff.spec.whatwg.org/#resource
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Kemal Zebari 2023-10-05 21:24:13 -07:00 • committed by Andrew Kaster
parent a2a61d6941
commit 04e19df06a
5 changed files with 264 additions and 0 deletions
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58
Userland/Libraries/LibWeb/MimeSniff/Resource.h Normal file
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/*
* Copyright (c) 2023, Kemal Zebari <kemalzebra@gmail.com>.
*
* SPDX-License-Identifier: BSD-2-Clause
*/
#pragma once
#include <LibWeb/MimeSniff/MimeType.h>
namespace Web::MimeSniff {
struct SniffingConfiguration {
StringView scheme { ""sv };
Optional<MimeType> supplied_type = {};
bool no_sniff { false };
};
// https://mimesniff.spec.whatwg.org/#resource
class Resource {
public:
static ErrorOr<Resource> create(ReadonlyBytes data, SniffingConfiguration configuration = {});
static ErrorOr<MimeType> sniff(ReadonlyBytes data, SniffingConfiguration configuration = {});
~Resource();
MimeType const& computed_mime_type() const { return m_computed_mime_type; }
ReadonlyBytes resource_header() const { return m_resource_header; }
private:
Resource(ReadonlyBytes data, bool no_sniff, MimeType&& default_computed_mime_type);
void read_the_resource_header(ReadonlyBytes data);
ErrorOr<void> supplied_mime_type_detection_algorithm(StringView scheme, Optional<MimeType> supplied_type);
ErrorOr<void> mime_type_sniffing_algorithm();
// https://mimesniff.spec.whatwg.org/#supplied-mime-type
// A supplied MIME type, the MIME type determined by the supplied MIME type detection algorithm.
Optional<MimeType> m_supplied_mime_type;
// https://mimesniff.spec.whatwg.org/#check-for-apache-bug-flag
// A check-for-apache-bug flag, which defaults to unset.
bool m_check_for_apache_bug_flag { false };
// https://mimesniff.spec.whatwg.org/#no-sniff-flag
// A no-sniff flag, which defaults to set if the user agent does not wish to perform sniffing on the resource and unset otherwise.
bool m_no_sniff { false };
// https://mimesniff.spec.whatwg.org/#computed-mime-type
// A computed MIME type, the MIME type determined by the MIME type sniffing algorithm.
MimeType m_computed_mime_type;
// https://mimesniff.spec.whatwg.org/#resource-header
// A resource header is the byte sequence at the beginning of a resource, as determined by reading the resource header.
ByteBuffer m_resource_header;
};
}