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47 lines
1.1 KiB
C++
47 lines
1.1 KiB
C++
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// Copyright 2018 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/token.h"
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#include <inttypes.h>
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#include "base/pickle.h"
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#include "base/rand_util.h"
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#include "base/strings/stringprintf.h"
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namespace base {
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// static
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Token Token::CreateRandom() {
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Token token;
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// Use base::RandBytes instead of crypto::RandBytes, because crypto calls the
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// base version directly, and to prevent the dependency from base/ to crypto/.
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base::RandBytes(&token, sizeof(token));
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return token;
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}
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std::string Token::ToString() const {
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return base::StringPrintf("%016" PRIX64 "%016" PRIX64, high_, low_);
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}
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void WriteTokenToPickle(Pickle* pickle, const Token& token) {
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pickle->WriteUInt64(token.high());
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pickle->WriteUInt64(token.low());
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}
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Optional<Token> ReadTokenFromPickle(PickleIterator* pickle_iterator) {
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uint64_t high;
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if (!pickle_iterator->ReadUInt64(&high))
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return nullopt;
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uint64_t low;
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if (!pickle_iterator->ReadUInt64(&low))
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return nullopt;
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return Token(high, low);
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}
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} // namespace base
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