chrome/browser/chromeos/mobile_config.cc

   1 // Copyright (c) 2012 The Chromium 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 "chrome/browser/chromeos/mobile_config.h"
   6
   7 #include <algorithm>
   8
   9 #include "base/bind.h"
  10 #include "base/files/file_path.h"
  11 #include "base/files/file_util.h"
  12 #include "base/json/json_reader.h"
  13 #include "base/logging.h"
  14 #include "base/stl_util.h"
  15 #include "base/values.h"
  16 #include "chrome/browser/browser_process.h"
  17 #include "chrome/browser/chromeos/login/startup_utils.h"
  18 #include "content/public/browser/browser_thread.h"
  19
  20 using content::BrowserThread;
  21
  22 namespace {
  23
  24 // Config attributes names.
  25 const char kAcceptedConfigVersion[] = "1.0";
  26 const char kDefaultAttr[] = "default";
  27
  28 // Carrier config attributes.
  29 const char kCarriersAttr[] = "carriers";
  30 const char kCarrierIdsAttr[] = "ids";
  31 const char kCarrierIdAttr[] = "id";
  32 const char kTopUpURLAttr[] = "top_up_url";
  33 const char kShowPortalButtonAttr[] = "show_portal_button";
  34 const char kDealsAttr[] = "deals";
  35
  36 // Carrier deal attributes.
  37 const char kDealIdAttr[] = "deal_id";
  38 const char kDealLocalesAttr[] = "locales";
  39
  40 const char kInfoURLAttr[] = "info_url";
  41 const char kNotificationCountAttr[] = "notification_count";
  42 const char kDealExpireDateAttr[] = "expire_date";
  43 const char kLocalizedContentAttr[] = "localized_content";
  44
  45 // Initial locale carrier config attributes.
  46 const char kInitialLocalesAttr[] = "initial_locales";
  47 const char kSetupURLAttr[] = "setup_url";
  48
  49 // Local config properties.
  50 const char kExcludeDealsAttr[] = "exclude_deals";
  51
  52 // Location of the global carrier config.
  53 const char kGlobalCarrierConfigPath[] =
  54     "/usr/share/chromeos-assets/mobile/carrier_config.json";
  55
  56 // Location of the local carrier config.
  57 const char kLocalCarrierConfigPath[] =
  58     "/opt/oem/etc/carrier_config.json";
  59
  60 }  // anonymous namespace
  61
  62 namespace chromeos {
  63
  64 // MobileConfig::CarrierDeal implementation. -----------------------------------
  65
  66 MobileConfig::CarrierDeal::CarrierDeal(const base::DictionaryValue* deal_dict)
  67     : notification_count_(0),
  68       localized_strings_(NULL) {
  69   deal_dict->GetString(kDealIdAttr, &deal_id_);
  70
  71   // Extract list of deal locales.
  72   const base::ListValue* locale_list = NULL;
  73   if (deal_dict->GetList(kDealLocalesAttr, &locale_list)) {
  74     for (size_t i = 0; i < locale_list->GetSize(); ++i) {
  75       std::string locale;
  76       if (locale_list->GetString(i, &locale))
  77         locales_.push_back(locale);
  78     }
  79   }
  80
  81   deal_dict->GetString(kInfoURLAttr, &info_url_);
  82   deal_dict->GetInteger(kNotificationCountAttr, &notification_count_);
  83   std::string date_string;
  84   if (deal_dict->GetString(kDealExpireDateAttr, &date_string)) {
  85     if (!base::Time::FromString(date_string.c_str(), &expire_date_))
  86       LOG(ERROR) << "Error parsing deal_expire_date: " << date_string;
  87   }
  88   deal_dict->GetDictionary(kLocalizedContentAttr, &localized_strings_);
  89 }
  90
  91 MobileConfig::CarrierDeal::~CarrierDeal() {
  92 }
  93
  94 std::string MobileConfig::CarrierDeal::GetLocalizedString(
  95     const std::string& locale, const std::string& id) const {
  96   std::string result;
  97   if (localized_strings_) {
  98     const base::DictionaryValue* locale_dict = NULL;
  99     if (localized_strings_->GetDictionary(locale, &locale_dict) &&
 100         locale_dict->GetString(id, &result)) {
 101       return result;
 102     } else if (localized_strings_->GetDictionary(kDefaultAttr, &locale_dict) &&
 103                locale_dict->GetString(id, &result)) {
 104       return result;
 105     }
 106   }
 107   return result;
 108 }
 109
 110 // MobileConfig::Carrier implementation. ---------------------------------------
 111
 112 MobileConfig::Carrier::Carrier(const base::DictionaryValue* carrier_dict,
 113                                const std::string& initial_locale)
 114     : show_portal_button_(false) {
 115   InitFromDictionary(carrier_dict, initial_locale);
 116 }
 117
 118 MobileConfig::Carrier::~Carrier() {
 119   RemoveDeals();
 120 }
 121
 122 const MobileConfig::CarrierDeal* MobileConfig::Carrier::GetDefaultDeal() const {
 123   // TODO(nkostylev): Use carrier "default_deal_id" attribute.
 124   CarrierDeals::const_iterator iter = deals_.begin();
 125   if (iter != deals_.end())
 126     return GetDeal((*iter).first);
 127   else
 128     return NULL;
 129 }
 130
 131 const MobileConfig::CarrierDeal* MobileConfig::Carrier::GetDeal(
 132     const std::string& deal_id) const {
 133   CarrierDeals::const_iterator iter = deals_.find(deal_id);
 134   if (iter != deals_.end()) {
 135     CarrierDeal* deal = iter->second;
 136     // Make sure that deal is still active,
 137     // i.e. if deal expire date is defined, check it.
 138     if (!deal->expire_date().is_null() &&
 139         deal->expire_date() <= base::Time::Now()) {
 140       return NULL;
 141     }
 142     return deal;
 143   } else {
 144     return NULL;
 145   }
 146 }
 147
 148 void MobileConfig::Carrier::InitFromDictionary(
 149     const base::DictionaryValue* carrier_dict,
 150     const std::string& initial_locale) {
 151   carrier_dict->GetString(kTopUpURLAttr, &top_up_url_);
 152   carrier_dict->GetBoolean(kShowPortalButtonAttr, &show_portal_button_);
 153
 154   bool exclude_deals = false;
 155   if (carrier_dict->GetBoolean(kExcludeDealsAttr, &exclude_deals) &&
 156       exclude_deals) {
 157     RemoveDeals();
 158   }
 159
 160   // Extract list of external IDs for this carrier.
 161   const base::ListValue* id_list = NULL;
 162   if (carrier_dict->GetList(kCarrierIdsAttr, &id_list)) {
 163     for (size_t i = 0; i < id_list->GetSize(); ++i) {
 164       const base::DictionaryValue* id_dict = NULL;
 165       std::string external_id;
 166       if (id_list->GetDictionary(i, &id_dict) &&
 167           id_dict->GetString(kCarrierIdAttr, &external_id)) {
 168         external_ids_.push_back(external_id);
 169       }
 170     }
 171   }
 172
 173   // Extract list of deals for this carrier.
 174   const base::ListValue* deals_list = NULL;
 175   if (carrier_dict->GetList(kDealsAttr, &deals_list)) {
 176     for (size_t i = 0; i < deals_list->GetSize(); ++i) {
 177       const base::DictionaryValue* deal_dict = NULL;
 178       if (deals_list->GetDictionary(i, &deal_dict)) {
 179         scoped_ptr<CarrierDeal> deal(new CarrierDeal(deal_dict));
 180         // Filter out deals by initial_locale right away.
 181         std::vector<std::string>::const_iterator iter =
 182             std::find(deal->locales().begin(),
 183                       deal->locales().end(),
 184                       initial_locale);
 185         if (iter != deal->locales().end()) {
 186           const std::string& deal_id = deal->deal_id();
 187           deals_[deal_id] = deal.release();
 188         }
 189       }
 190     }
 191   }
 192 }
 193
 194 void MobileConfig::Carrier::RemoveDeals() {
 195   STLDeleteValues(&deals_);
 196 }
 197
 198 // MobileConfig::LocaleConfig implementation. ----------------------------------
 199
 200 MobileConfig::LocaleConfig::LocaleConfig(base::DictionaryValue* locale_dict) {
 201   InitFromDictionary(locale_dict);
 202 }
 203
 204 MobileConfig::LocaleConfig::~LocaleConfig() {
 205 }
 206
 207 void MobileConfig::LocaleConfig::InitFromDictionary(
 208     base::DictionaryValue* locale_dict) {
 209   locale_dict->GetString(kSetupURLAttr, &setup_url_);
 210 }
 211
 212 // MobileConfig implementation, public -----------------------------------------
 213
 214 // static
 215 MobileConfig* MobileConfig::GetInstance() {
 216   return Singleton<MobileConfig,
 217       DefaultSingletonTraits<MobileConfig> >::get();
 218 }
 219
 220 const MobileConfig::Carrier* MobileConfig::GetCarrier(
 221     const std::string& carrier_id) const {
 222   CarrierIdMap::const_iterator id_iter = carrier_id_map_.find(carrier_id);
 223   std::string internal_id;
 224   if (id_iter != carrier_id_map_.end())
 225     internal_id = id_iter->second;
 226   else
 227     return NULL;
 228   Carriers::const_iterator iter = carriers_.find(internal_id);
 229   if (iter != carriers_.end())
 230     return iter->second;
 231   else
 232     return NULL;
 233 }
 234
 235 const MobileConfig::LocaleConfig* MobileConfig::GetLocaleConfig() const {
 236   return locale_config_.get();
 237 }
 238
 239 // MobileConfig implementation, protected --------------------------------------
 240
 241 bool MobileConfig::LoadManifestFromString(const std::string& manifest) {
 242   if (!CustomizationDocument::LoadManifestFromString(manifest))
 243     return false;
 244
 245   // Local config specific attribute.
 246   bool exclude_deals = false;
 247   if (root_.get() &&
 248       root_->GetBoolean(kExcludeDealsAttr, &exclude_deals) &&
 249       exclude_deals) {
 250     for (Carriers::iterator iter = carriers_.begin();
 251          iter != carriers_.end(); ++iter) {
 252       iter->second->RemoveDeals();
 253     }
 254   }
 255
 256   // Other parts are optional and are the same among global/local config.
 257   base::DictionaryValue* carriers = NULL;
 258   if (root_.get() && root_->GetDictionary(kCarriersAttr, &carriers)) {
 259     for (base::DictionaryValue::Iterator iter(*carriers); !iter.IsAtEnd();
 260          iter.Advance()) {
 261       const base::DictionaryValue* carrier_dict = NULL;
 262       if (iter.value().GetAsDictionary(&carrier_dict)) {
 263         const std::string& internal_id = iter.key();
 264         Carriers::iterator inner_iter = carriers_.find(internal_id);
 265         if (inner_iter != carriers_.end()) {
 266           // Carrier already defined i.e. loading from the local config.
 267           // New ID mappings in local config is not supported.
 268           inner_iter->second->InitFromDictionary(carrier_dict, initial_locale_);
 269         } else {
 270           Carrier* carrier = new Carrier(carrier_dict, initial_locale_);
 271           if (!carrier->external_ids().empty()) {
 272             // Map all external IDs to a single internal one.
 273             for (std::vector<std::string>::const_iterator
 274                  i = carrier->external_ids().begin();
 275                  i != carrier->external_ids().end(); ++i) {
 276               carrier_id_map_[*i] = internal_id;
 277             }
 278           } else {
 279             // Trivial case - using same ID for external/internal one.
 280             carrier_id_map_[internal_id] = internal_id;
 281           }
 282           carriers_[internal_id] = carrier;
 283         }
 284       }
 285     }
 286   }
 287
 288   base::DictionaryValue* initial_locales = NULL;
 289   if (root_.get() && root_->GetDictionary(kInitialLocalesAttr,
 290                                           &initial_locales)) {
 291     base::DictionaryValue* locale_config_dict = NULL;
 292     // Search for a config based on current initial locale.
 293     if (initial_locales->GetDictionary(initial_locale_,
 294                                        &locale_config_dict)) {
 295       locale_config_.reset(new LocaleConfig(locale_config_dict));
 296     }
 297   }
 298
 299   return true;
 300 }
 301
 302 // MobileConfig implementation, private ----------------------------------------
 303
 304 MobileConfig::MobileConfig()
 305     : CustomizationDocument(kAcceptedConfigVersion),
 306       initial_locale_(StartupUtils::GetInitialLocale()) {
 307   LoadConfig();
 308 }
 309
 310 MobileConfig::MobileConfig(const std::string& config,
 311                            const std::string& initial_locale)
 312     : CustomizationDocument(kAcceptedConfigVersion),
 313       initial_locale_(initial_locale) {
 314   LoadManifestFromString(config);
 315 }
 316
 317 MobileConfig::~MobileConfig() {
 318   STLDeleteValues(&carriers_);
 319 }
 320
 321 void MobileConfig::LoadConfig() {
 322   BrowserThread::PostTask(BrowserThread::FILE, FROM_HERE,
 323       base::Bind(&MobileConfig::ReadConfigInBackground,
 324                  base::Unretained(this),  // this class is a singleton.
 325                  base::FilePath(kGlobalCarrierConfigPath),
 326                  base::FilePath(kLocalCarrierConfigPath)));
 327 }
 328
 329 void MobileConfig::ProcessConfig(const std::string& global_config,
 330                                  const std::string& local_config) {
 331   // Global config is mandatory, local config is optional.
 332   bool global_initialized = false;
 333   bool local_initialized = true;
 334   scoped_ptr<base::DictionaryValue> global_config_root;
 335
 336   if (!global_config.empty()) {
 337     global_initialized = LoadManifestFromString(global_config);
 338     // Backup global config root as it might be
 339     // owerwritten while loading local config.
 340     global_config_root.reset(root_.release());
 341   }
 342   if (!local_config.empty())
 343     local_initialized = LoadManifestFromString(local_config);
 344
 345   // Treat any parser errors as fatal.
 346   if (!global_initialized || !local_initialized) {
 347     root_.reset(NULL);
 348     local_config_root_.reset(NULL);
 349   } else {
 350     local_config_root_.reset(root_.release());
 351     root_.reset(global_config_root.release());
 352   }
 353 }
 354
 355 void MobileConfig::ReadConfigInBackground(
 356     const base::FilePath& global_config_file,
 357     const base::FilePath& local_config_file) {
 358   DCHECK_CURRENTLY_ON(BrowserThread::FILE);
 359   std::string global_config;
 360   std::string local_config;
 361   if (!base::ReadFileToString(global_config_file, &global_config)) {
 362     VLOG(1) << "Failed to load global mobile config from: "
 363             << global_config_file.value();
 364   }
 365   if (!base::ReadFileToString(local_config_file, &local_config)) {
 366     VLOG(1) << "Failed to load local mobile config from: "
 367             << local_config_file.value();
 368   }
 369   BrowserThread::PostTask(BrowserThread::UI, FROM_HERE,
 370                           base::Bind(&MobileConfig::ProcessConfig,
 371                                      base::Unretained(this),  // singleton.
 372                                      global_config,
 373                                      local_config));
 374 }
 375
 376 }  // namespace chromeos