123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119 |
- // Copyright 2021 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 "components/policy/test_support/client_storage.h"
- #include "base/check.h"
- #include "base/containers/contains.h"
- #include "crypto/sha2.h"
- namespace policy {
- ClientStorage::ClientInfo::ClientInfo() = default;
- ClientStorage::ClientInfo::ClientInfo(
- const ClientStorage::ClientInfo& client_info) = default;
- ClientStorage::ClientInfo& ClientStorage::ClientInfo::operator=(
- const ClientStorage::ClientInfo& client_info) = default;
- ClientStorage::ClientInfo::ClientInfo(ClientStorage::ClientInfo&& client_info) =
- default;
- ClientStorage::ClientInfo& ClientStorage::ClientInfo::operator=(
- ClientStorage::ClientInfo&& client_info) = default;
- ClientStorage::ClientInfo::~ClientInfo() = default;
- ClientStorage::ClientStorage() = default;
- ClientStorage::ClientStorage(ClientStorage&& client_storage) = default;
- ClientStorage& ClientStorage::operator=(ClientStorage&& client_storage) =
- default;
- ClientStorage::~ClientStorage() = default;
- void ClientStorage::RegisterClient(const ClientInfo& client_info) {
- CHECK(!client_info.device_id.empty());
- clients_[client_info.device_id] = client_info;
- registered_tokens_[client_info.device_token] = client_info.device_id;
- }
- bool ClientStorage::HasClient(const std::string& device_id) const {
- return clients_.find(device_id) != clients_.end();
- }
- const ClientStorage::ClientInfo& ClientStorage::GetClient(
- const std::string& device_id) const {
- const ClientInfo* const client_info = GetClientOrNull(device_id);
- CHECK(client_info);
- return *client_info;
- }
- const ClientStorage::ClientInfo* ClientStorage::GetClientOrNull(
- const std::string& device_id) const {
- auto it = clients_.find(device_id);
- return it == clients_.end() ? nullptr : &it->second;
- }
- const ClientStorage::ClientInfo* ClientStorage::LookupByStateKey(
- const std::string& state_key) const {
- for (auto const& [device_id, client_info] : clients_) {
- if (base::Contains(client_info.state_keys, state_key))
- return &client_info;
- }
- return nullptr;
- }
- bool ClientStorage::DeleteClient(const std::string& device_token) {
- auto it = registered_tokens_.find(device_token);
- if (it == registered_tokens_.end())
- return false;
- const std::string& device_id = it->second;
- DCHECK(!device_id.empty());
- auto it_clients = clients_.find(device_id);
- DCHECK(it_clients != clients_.end());
- clients_.erase(it_clients, clients_.end());
- registered_tokens_.erase(it, registered_tokens_.end());
- return true;
- }
- size_t ClientStorage::GetNumberOfRegisteredClients() const {
- return clients_.size();
- }
- std::vector<std::string> ClientStorage::GetMatchingStateKeyHashes(
- uint64_t modulus,
- uint64_t remainder) const {
- std::vector<std::string> hashes;
- for (const auto& [device_id, client_info] : clients_) {
- for (const std::string& key : client_info.state_keys) {
- std::string hash = crypto::SHA256HashString(key);
- uint64_t hash_remainder = 0;
- // Simulate long division in base 256, which allows us to interpret
- // individual chars in our hash as digits. We only care about the
- // remainder and hence do not compute the quotient in each iteration. This
- // assumes big-endian byte order.
- for (uint64_t digit : hash)
- hash_remainder = (hash_remainder * 256 + digit) % modulus;
- if (hash_remainder == remainder)
- hashes.push_back(hash);
- }
- }
- return hashes;
- }
- std::vector<ClientStorage::ClientInfo> ClientStorage::GetAllClients() {
- std::vector<ClientStorage::ClientInfo> result;
- for (const auto& [device_id, client_info] : clients_) {
- result.push_back(client_info);
- }
- return result;
- }
- } // namespace policy
|