mirror of
https://github.com/klzgrad/naiveproxy.git
synced 2024-11-28 00:06:09 +03:00
98 lines
2.8 KiB
C++
98 lines
2.8 KiB
C++
// Copyright (c) 2012 The Chromium Authors. All rights reserved.
|
|
// Use of this source code is governed by a BSD-style license that can be
|
|
// found in the LICENSE file.
|
|
|
|
#include "base/value_conversions.h"
|
|
|
|
#include <stdint.h>
|
|
|
|
#include <algorithm>
|
|
#include <string>
|
|
#include <vector>
|
|
|
|
#include "base/files/file_path.h"
|
|
#include "base/memory/ptr_util.h"
|
|
#include "base/strings/string_number_conversions.h"
|
|
#include "base/time/time.h"
|
|
#include "base/unguessable_token.h"
|
|
#include "base/values.h"
|
|
|
|
namespace base {
|
|
namespace {
|
|
// Helper for serialize/deserialize UnguessableToken.
|
|
union UnguessableTokenRepresentation {
|
|
struct Field {
|
|
uint64_t high;
|
|
uint64_t low;
|
|
} field;
|
|
|
|
uint8_t buffer[sizeof(Field)];
|
|
};
|
|
} // namespace
|
|
|
|
// |Value| internally stores strings in UTF-8, so we have to convert from the
|
|
// system native code to UTF-8 and back.
|
|
Value CreateFilePathValue(const FilePath& in_value) {
|
|
return Value(in_value.AsUTF8Unsafe());
|
|
}
|
|
|
|
bool GetValueAsFilePath(const Value& value, FilePath* file_path) {
|
|
std::string str;
|
|
if (!value.GetAsString(&str))
|
|
return false;
|
|
if (file_path)
|
|
*file_path = FilePath::FromUTF8Unsafe(str);
|
|
return true;
|
|
}
|
|
|
|
// |Value| does not support 64-bit integers, and doubles do not have enough
|
|
// precision, so we store the 64-bit time value as a string instead.
|
|
Value CreateTimeDeltaValue(const TimeDelta& time) {
|
|
std::string string_value = base::Int64ToString(time.ToInternalValue());
|
|
return Value(string_value);
|
|
}
|
|
|
|
bool GetValueAsTimeDelta(const Value& value, TimeDelta* time) {
|
|
std::string str;
|
|
int64_t int_value;
|
|
if (!value.GetAsString(&str) || !base::StringToInt64(str, &int_value))
|
|
return false;
|
|
if (time)
|
|
*time = TimeDelta::FromInternalValue(int_value);
|
|
return true;
|
|
}
|
|
|
|
Value CreateUnguessableTokenValue(const UnguessableToken& token) {
|
|
UnguessableTokenRepresentation representation;
|
|
representation.field.high = token.GetHighForSerialization();
|
|
representation.field.low = token.GetLowForSerialization();
|
|
|
|
return Value(HexEncode(representation.buffer, sizeof(representation.buffer)));
|
|
}
|
|
|
|
bool GetValueAsUnguessableToken(const Value& value, UnguessableToken* token) {
|
|
if (!value.is_string()) {
|
|
return false;
|
|
}
|
|
|
|
// TODO(dcheng|yucliu): Make a function that accepts non vector variant and
|
|
// reads a fixed number of bytes.
|
|
std::vector<uint8_t> high_low_bytes;
|
|
if (!HexStringToBytes(value.GetString(), &high_low_bytes)) {
|
|
return false;
|
|
}
|
|
|
|
UnguessableTokenRepresentation representation;
|
|
if (high_low_bytes.size() != sizeof(representation.buffer)) {
|
|
return false;
|
|
}
|
|
|
|
std::copy(high_low_bytes.begin(), high_low_bytes.end(),
|
|
std::begin(representation.buffer));
|
|
*token = UnguessableToken::Deserialize(representation.field.high,
|
|
representation.field.low);
|
|
return true;
|
|
}
|
|
|
|
} // namespace base
|