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/*
* Copyright (C) 2006 Alexey Proskuryakov <ap@webkit.org>
* Copyright (C) 2010 Patrick Gansterer <paroga@paroga.com>
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY APPLE COMPUTER, INC. ``AS IS'' AND ANY
* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE COMPUTER, INC. OR
* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
* OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#ifndef THIRD_PARTY_BLINK_RENDERER_PLATFORM_WTF_TEXT_BASE64_H_
#define THIRD_PARTY_BLINK_RENDERER_PLATFORM_WTF_TEXT_BASE64_H_
#include "third_party/blink/renderer/platform/wtf/text/string_view.h"
#include "third_party/blink/renderer/platform/wtf/text/wtf_string.h"
#include "third_party/blink/renderer/platform/wtf/vector.h"
#include "third_party/blink/renderer/platform/wtf/wtf_export.h"
namespace WTF {
// Compliant with https://infra.spec.whatwg.org/#forgiving-base64-encode.
WTF_EXPORT void Base64Encode(base::span<const uint8_t>, Vector<char>&);
[[nodiscard]] WTF_EXPORT String Base64Encode(base::span<const uint8_t>);
enum class Base64DecodePolicy {
// Compliant with https://infra.spec.whatwg.org/#forgiving-base64-decode.
kForgiving,
// Same behavior as kForgiving except:
// - Step 1 (removing HTML whitespace) is omitted.
// - Step 2.1 is modified to remove all padding chars from the input instead
// of a maximum of 2 chars.
kNoPaddingValidation,
};
WTF_EXPORT bool Base64Decode(
const StringView&,
Vector<uint8_t>&,
Base64DecodePolicy policy = Base64DecodePolicy::kNoPaddingValidation);
WTF_EXPORT bool Base64UnpaddedURLDecode(const String& in, Vector<uint8_t>&);
// Given an encoding in either base64 or base64url, returns a normalized
// encoding in plain base64.
WTF_EXPORT String NormalizeToBase64(const String&);
WTF_EXPORT String Base64URLEncode(base::span<const uint8_t>);
} // namespace WTF
using WTF::Base64Decode;
using WTF::Base64DecodePolicy;
using WTF::Base64Encode;
#endif // THIRD_PARTY_BLINK_RENDERER_PLATFORM_WTF_TEXT_BASE64_H_
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