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/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* vim: set ts=8 sts=2 et sw=2 tw=80: */
/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
#ifndef mozilla_Base64_h__
#define mozilla_Base64_h__
#include "nsString.h"
class nsIInputStream;
namespace mozilla {
[[nodiscard]] nsresult Base64EncodeInputStream(nsIInputStream* aInputStream,
nsACString& aDest,
uint32_t aCount,
uint32_t aOffset = 0);
[[nodiscard]] nsresult Base64EncodeInputStream(nsIInputStream* aInputStream,
nsAString& aDest,
uint32_t aCount,
uint32_t aOffset = 0);
// Encode 8-bit data of a given length and append the Base64 encoded data to
// aBase64.
[[nodiscard]] nsresult Base64EncodeAppend(const char* aBinary,
uint32_t aBinaryLen,
nsAString& aBase64);
[[nodiscard]] nsresult Base64EncodeAppend(const char* aBinary,
uint32_t aBinaryLen,
nsACString& aBase64);
[[nodiscard]] nsresult Base64EncodeAppend(const nsACString& aBinary,
nsACString& aBase64);
[[nodiscard]] nsresult Base64EncodeAppend(const nsACString& aBinary,
nsAString& aBase64);
[[nodiscard]] nsresult Base64Encode(const char* aBinary, uint32_t aBinaryLen,
char** aBase64);
[[nodiscard]] nsresult Base64Encode(const char* aBinary, uint32_t aBinaryLen,
nsACString& aBase64);
[[nodiscard]] nsresult Base64Encode(const char* aBinary, uint32_t aBinaryLen,
nsAString& aBase64);
[[nodiscard]] nsresult Base64Encode(const nsACString& aBinary,
nsACString& aBase64);
[[nodiscard]] nsresult Base64Encode(const nsACString& aBinary,
nsAString& aBase64);
// The high bits of any characters in aBinary are dropped.
[[nodiscard]] nsresult Base64Encode(const nsAString& aBinary,
nsAString& aBase64);
[[nodiscard]] nsresult Base64Decode(const char* aBase64, uint32_t aBase64Len,
char** aBinary, uint32_t* aBinaryLen);
[[nodiscard]] nsresult Base64Decode(const nsACString& aBase64,
nsACString& aBinary);
// The high bits of any characters in aBase64 are dropped.
[[nodiscard]] nsresult Base64Decode(const nsAString& aBase64,
nsAString& aBinary);
enum class Base64URLEncodePaddingPolicy {
Include,
Omit,
};
/**
* Converts |aBinary| to an unpadded, Base64 URL-encoded string per RFC 4648.
* Aims to encode the data in constant time. The caller retains ownership
* of |aBinary|.
*/
[[nodiscard]] nsresult Base64URLEncode(
uint32_t aBinaryLen, const uint8_t* aBinary,
Base64URLEncodePaddingPolicy aPaddingPolicy, nsACString& aBase64);
enum class Base64URLDecodePaddingPolicy {
Require,
Ignore,
Reject,
};
/**
* Decodes a Base64 URL-encoded |aBase64| into |aBinary|.
*/
[[nodiscard]] nsresult Base64URLDecode(
const nsACString& aBase64, Base64URLDecodePaddingPolicy aPaddingPolicy,
FallibleTArray<uint8_t>& aBinary);
} // namespace mozilla
#endif
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