Vitaly Buka | 1175a9b | 2015-08-15 10:42:17 -0700 | [diff] [blame] | 1 | // Copyright 2015 The Chromium OS Authors. All rights reserved. |
| 2 | // Use of this source code is governed by a BSD-style license that can be |
| 3 | // found in the LICENSE file. |
| 4 | |
| 5 | #include "buffet/buffet_config.h" |
| 6 | |
Vitaly Buka | becd461 | 2015-08-16 23:31:55 -0700 | [diff] [blame] | 7 | #include <map> |
Vitaly Buka | 1175a9b | 2015-08-15 10:42:17 -0700 | [diff] [blame] | 8 | #include <set> |
| 9 | |
| 10 | #include <base/files/file_util.h> |
| 11 | #include <base/files/important_file_writer.h> |
| 12 | #include <base/logging.h> |
| 13 | #include <base/strings/string_number_conversions.h> |
Vitaly Buka | becd461 | 2015-08-16 23:31:55 -0700 | [diff] [blame] | 14 | #include <chromeos/errors/error.h> |
| 15 | #include <chromeos/errors/error_codes.h> |
Vitaly Buka | 1175a9b | 2015-08-15 10:42:17 -0700 | [diff] [blame] | 16 | #include <chromeos/strings/string_utils.h> |
| 17 | #include <weave/enum_to_string.h> |
| 18 | |
| 19 | namespace buffet { |
| 20 | |
Alex Vakulenko | df38164 | 2015-10-08 07:34:23 -0700 | [diff] [blame^] | 21 | namespace { |
| 22 | |
| 23 | const char kErrorDomain[] = "buffet"; |
| 24 | const char kFileReadError[] = "file_read_error"; |
| 25 | |
| 26 | class DefaultFileIO : public BuffetConfig::FileIO { |
| 27 | public: |
| 28 | bool ReadFile(const base::FilePath& path, std::string* content) override { |
| 29 | return base::ReadFileToString(path, content); |
| 30 | } |
| 31 | bool WriteFile(const base::FilePath& path, |
| 32 | const std::string& content) override { |
| 33 | return base::ImportantFileWriter::WriteFileAtomically(path, content); |
| 34 | } |
| 35 | }; |
| 36 | |
| 37 | } // namespace |
| 38 | |
Vitaly Buka | 1175a9b | 2015-08-15 10:42:17 -0700 | [diff] [blame] | 39 | namespace config_keys { |
| 40 | |
| 41 | const char kClientId[] = "client_id"; |
| 42 | const char kClientSecret[] = "client_secret"; |
| 43 | const char kApiKey[] = "api_key"; |
| 44 | const char kOAuthURL[] = "oauth_url"; |
| 45 | const char kServiceURL[] = "service_url"; |
| 46 | const char kName[] = "name"; |
| 47 | const char kDescription[] = "description"; |
| 48 | const char kLocation[] = "location"; |
| 49 | const char kLocalAnonymousAccessRole[] = "local_anonymous_access_role"; |
| 50 | const char kLocalDiscoveryEnabled[] = "local_discovery_enabled"; |
| 51 | const char kLocalPairingEnabled[] = "local_pairing_enabled"; |
| 52 | const char kOemName[] = "oem_name"; |
| 53 | const char kModelName[] = "model_name"; |
| 54 | const char kModelId[] = "model_id"; |
Vitaly Buka | 1175a9b | 2015-08-15 10:42:17 -0700 | [diff] [blame] | 55 | const char kWifiAutoSetupEnabled[] = "wifi_auto_setup_enabled"; |
Vitaly Buka | 1175a9b | 2015-08-15 10:42:17 -0700 | [diff] [blame] | 56 | const char kEmbeddedCode[] = "embedded_code"; |
| 57 | const char kPairingModes[] = "pairing_modes"; |
| 58 | |
| 59 | } // namespace config_keys |
| 60 | |
Alex Vakulenko | df38164 | 2015-10-08 07:34:23 -0700 | [diff] [blame^] | 61 | BuffetConfig::BuffetConfig(const Options& options) |
| 62 | : options_(options), |
| 63 | default_encryptor_(Encryptor::CreateDefaultEncryptor()), |
| 64 | encryptor_(default_encryptor_.get()), |
| 65 | default_file_io_(new DefaultFileIO), |
| 66 | file_io_(default_file_io_.get()) {} |
Vitaly Buka | 1175a9b | 2015-08-15 10:42:17 -0700 | [diff] [blame] | 67 | |
| 68 | bool BuffetConfig::LoadDefaults(weave::Settings* settings) { |
Alex Vakulenko | 2915a7b | 2015-10-07 17:04:00 -0700 | [diff] [blame] | 69 | // Keep this hardcoded default for sometime. This previously was set by |
| 70 | // libweave. It should be set by overlay's buffet.conf. |
Alex Vakulenko | 0022b75 | 2015-10-02 11:09:59 -0700 | [diff] [blame] | 71 | settings->client_id = "58855907228.apps.googleusercontent.com"; |
| 72 | settings->client_secret = "eHSAREAHrIqPsHBxCE9zPPBi"; |
| 73 | settings->api_key = "AIzaSyDSq46gG-AxUnC3zoqD9COIPrjolFsMfMA"; |
| 74 | settings->name = "Developer device"; |
| 75 | settings->oem_name = "Chromium"; |
| 76 | settings->model_name = "Brillo"; |
| 77 | settings->model_id = "AAAAA"; |
| 78 | |
| 79 | if (!base::PathExists(options_.defaults)) |
Vitaly Buka | 1175a9b | 2015-08-15 10:42:17 -0700 | [diff] [blame] | 80 | return true; // Nothing to load. |
| 81 | |
| 82 | chromeos::KeyValueStore store; |
Alex Vakulenko | 0022b75 | 2015-10-02 11:09:59 -0700 | [diff] [blame] | 83 | if (!store.Load(options_.defaults)) |
Vitaly Buka | 1175a9b | 2015-08-15 10:42:17 -0700 | [diff] [blame] | 84 | return false; |
Alex Vakulenko | 0022b75 | 2015-10-02 11:09:59 -0700 | [diff] [blame] | 85 | bool result = LoadDefaults(store, settings); |
| 86 | settings->disable_security = options_.disable_security; |
| 87 | settings->test_privet_ssid = options_.test_privet_ssid; |
Vitaly Buka | becd461 | 2015-08-16 23:31:55 -0700 | [diff] [blame] | 88 | |
Alex Vakulenko | 2915a7b | 2015-10-07 17:04:00 -0700 | [diff] [blame] | 89 | if (!options_.client_id.empty()) |
| 90 | settings->client_id = options_.client_id; |
| 91 | if (!options_.client_secret.empty()) |
| 92 | settings->client_secret = options_.client_secret; |
| 93 | if (!options_.api_key.empty()) |
| 94 | settings->api_key = options_.api_key; |
| 95 | if (!options_.oauth_url.empty()) |
| 96 | settings->oauth_url = options_.oauth_url; |
| 97 | if (!options_.service_url.empty()) |
| 98 | settings->service_url = options_.service_url; |
Vitaly Buka | becd461 | 2015-08-16 23:31:55 -0700 | [diff] [blame] | 99 | |
Vitaly Buka | becd461 | 2015-08-16 23:31:55 -0700 | [diff] [blame] | 100 | return result; |
| 101 | } |
| 102 | |
Vitaly Buka | 1175a9b | 2015-08-15 10:42:17 -0700 | [diff] [blame] | 103 | bool BuffetConfig::LoadDefaults(const chromeos::KeyValueStore& store, |
| 104 | weave::Settings* settings) { |
| 105 | store.GetString(config_keys::kClientId, &settings->client_id); |
| 106 | store.GetString(config_keys::kClientSecret, &settings->client_secret); |
| 107 | store.GetString(config_keys::kApiKey, &settings->api_key); |
| 108 | store.GetString(config_keys::kOAuthURL, &settings->oauth_url); |
| 109 | store.GetString(config_keys::kServiceURL, &settings->service_url); |
| 110 | store.GetString(config_keys::kOemName, &settings->oem_name); |
| 111 | store.GetString(config_keys::kModelName, &settings->model_name); |
| 112 | store.GetString(config_keys::kModelId, &settings->model_id); |
Vitaly Buka | 7b9ebee | 2015-08-16 01:55:41 -0700 | [diff] [blame] | 113 | |
| 114 | base::FilePath lsb_release_path("/etc/lsb-release"); |
| 115 | chromeos::KeyValueStore lsb_release_store; |
| 116 | if (lsb_release_store.Load(lsb_release_path) && |
| 117 | lsb_release_store.GetString("CHROMEOS_RELEASE_VERSION", |
| 118 | &settings->firmware_version)) { |
| 119 | } else { |
| 120 | LOG(ERROR) << "Failed to get CHROMEOS_RELEASE_VERSION from " |
| 121 | << lsb_release_path.value(); |
| 122 | } |
| 123 | |
Vitaly Buka | 1175a9b | 2015-08-15 10:42:17 -0700 | [diff] [blame] | 124 | store.GetBoolean(config_keys::kWifiAutoSetupEnabled, |
| 125 | &settings->wifi_auto_setup_enabled); |
Vitaly Buka | 1175a9b | 2015-08-15 10:42:17 -0700 | [diff] [blame] | 126 | store.GetString(config_keys::kEmbeddedCode, &settings->embedded_code); |
| 127 | |
| 128 | std::string modes_str; |
| 129 | if (store.GetString(config_keys::kPairingModes, &modes_str)) { |
| 130 | std::set<weave::PairingType> pairing_modes; |
| 131 | for (const std::string& mode : |
| 132 | chromeos::string_utils::Split(modes_str, ",", true, true)) { |
| 133 | weave::PairingType pairing_mode; |
| 134 | if (!StringToEnum(mode, &pairing_mode)) |
| 135 | return false; |
| 136 | pairing_modes.insert(pairing_mode); |
| 137 | } |
| 138 | settings->pairing_modes = std::move(pairing_modes); |
| 139 | } |
| 140 | |
| 141 | store.GetString(config_keys::kName, &settings->name); |
| 142 | store.GetString(config_keys::kDescription, &settings->description); |
| 143 | store.GetString(config_keys::kLocation, &settings->location); |
Alex Vakulenko | 0022b75 | 2015-10-02 11:09:59 -0700 | [diff] [blame] | 144 | |
| 145 | std::string role_str; |
| 146 | if (store.GetString(config_keys::kLocalAnonymousAccessRole, &role_str)) { |
| 147 | if (!StringToEnum(role_str, &settings->local_anonymous_access_role)) |
| 148 | return false; |
| 149 | } |
Vitaly Buka | 1175a9b | 2015-08-15 10:42:17 -0700 | [diff] [blame] | 150 | store.GetBoolean(config_keys::kLocalDiscoveryEnabled, |
| 151 | &settings->local_discovery_enabled); |
| 152 | store.GetBoolean(config_keys::kLocalPairingEnabled, |
| 153 | &settings->local_pairing_enabled); |
| 154 | return true; |
| 155 | } |
| 156 | |
| 157 | std::string BuffetConfig::LoadSettings() { |
Alex Vakulenko | df38164 | 2015-10-08 07:34:23 -0700 | [diff] [blame^] | 158 | std::string settings_blob; |
| 159 | if (!file_io_->ReadFile(options_.settings, &settings_blob)) { |
| 160 | LOG(WARNING) << "Failed to read settings, proceeding with empty settings."; |
| 161 | return std::string(); |
| 162 | } |
Vitaly Buka | 1175a9b | 2015-08-15 10:42:17 -0700 | [diff] [blame] | 163 | std::string json_string; |
Alex Vakulenko | df38164 | 2015-10-08 07:34:23 -0700 | [diff] [blame^] | 164 | if (!encryptor_->DecryptWithAuthentication(settings_blob, &json_string)) { |
| 165 | LOG(WARNING) |
| 166 | << "Failed to decrypt settings, proceeding with empty settings."; |
| 167 | SaveSettings(std::string()); |
| 168 | return std::string(); |
| 169 | } |
Vitaly Buka | 1175a9b | 2015-08-15 10:42:17 -0700 | [diff] [blame] | 170 | return json_string; |
| 171 | } |
| 172 | |
| 173 | void BuffetConfig::SaveSettings(const std::string& settings) { |
Alex Vakulenko | df38164 | 2015-10-08 07:34:23 -0700 | [diff] [blame^] | 174 | std::string encrypted_settings; |
| 175 | if (!encryptor_->EncryptWithAuthentication(settings, &encrypted_settings)) { |
| 176 | LOG(ERROR) << "Failed to encrypt settings, writing empty settings."; |
| 177 | encrypted_settings.clear(); |
| 178 | } |
| 179 | if (!file_io_->WriteFile(options_.settings, encrypted_settings)) { |
| 180 | LOG(ERROR) << "Failed to write settings."; |
| 181 | } |
| 182 | } |
| 183 | |
| 184 | bool BuffetConfig::LoadFile(const base::FilePath& file_path, |
| 185 | std::string* data, |
| 186 | chromeos::ErrorPtr* error) { |
| 187 | if (!file_io_->ReadFile(file_path, data)) { |
| 188 | chromeos::errors::system::AddSystemError(error, FROM_HERE, errno); |
| 189 | chromeos::Error::AddToPrintf(error, FROM_HERE, kErrorDomain, kFileReadError, |
| 190 | "Failed to read file '%s'", |
| 191 | file_path.value().c_str()); |
| 192 | return false; |
| 193 | } |
| 194 | return true; |
Vitaly Buka | 1175a9b | 2015-08-15 10:42:17 -0700 | [diff] [blame] | 195 | } |
| 196 | |
| 197 | } // namespace buffet |