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57 lines
1.8 KiB
C
57 lines
1.8 KiB
C
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// Copyright 2015 The Chromium Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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#ifndef BASE_BASE64URL_H_
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#define BASE_BASE64URL_H_
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#include <string>
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#include "base/base_export.h"
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#include "base/compiler_specific.h"
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#include "base/macros.h"
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#include "base/strings/string_piece.h"
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namespace base {
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enum class Base64UrlEncodePolicy {
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// Include the trailing padding in the output, when necessary.
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INCLUDE_PADDING,
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// Remove the trailing padding from the output.
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OMIT_PADDING
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};
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// Encodes the |input| string in base64url, defined in RFC 4648:
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// https://tools.ietf.org/html/rfc4648#section-5
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//
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// The |policy| defines whether padding should be included or omitted from the
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// encoded |*output|. |input| and |*output| may reference the same storage.
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BASE_EXPORT void Base64UrlEncode(const StringPiece& input,
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Base64UrlEncodePolicy policy,
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std::string* output);
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enum class Base64UrlDecodePolicy {
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// Require inputs contain trailing padding if non-aligned.
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REQUIRE_PADDING,
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// Accept inputs regardless of whether or not they have the correct padding.
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IGNORE_PADDING,
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// Reject inputs if they contain any trailing padding.
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DISALLOW_PADDING
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};
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// Decodes the |input| string in base64url, defined in RFC 4648:
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// https://tools.ietf.org/html/rfc4648#section-5
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//
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// The |policy| defines whether padding will be required, ignored or disallowed
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// altogether. |input| and |*output| may reference the same storage.
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BASE_EXPORT bool Base64UrlDecode(const StringPiece& input,
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Base64UrlDecodePolicy policy,
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std::string* output) WARN_UNUSED_RESULT;
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} // namespace base
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#endif // BASE_BASE64URL_H_
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