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40 lines
1.1 KiB
C++
40 lines
1.1 KiB
C++
// Copyright (c) 2012 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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#include "base/base64.h"
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#include <stddef.h>
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#include "third_party/modp_b64/modp_b64.h"
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namespace base {
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void Base64Encode(const StringPiece& input, std::string* output) {
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std::string temp;
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temp.resize(modp_b64_encode_len(input.size())); // makes room for null byte
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// modp_b64_encode_len() returns at least 1, so temp[0] is safe to use.
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size_t output_size = modp_b64_encode(&(temp[0]), input.data(), input.size());
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temp.resize(output_size); // strips off null byte
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output->swap(temp);
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}
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bool Base64Decode(const StringPiece& input, std::string* output) {
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std::string temp;
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temp.resize(modp_b64_decode_len(input.size()));
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// does not null terminate result since result is binary data!
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size_t input_size = input.size();
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size_t output_size = modp_b64_decode(&(temp[0]), input.data(), input_size);
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if (output_size == MODP_B64_ERROR)
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return false;
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temp.resize(output_size);
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output->swap(temp);
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return true;
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}
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} // namespace base
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