src/chrome/browser/profile_resetter/automatic_profile_resetter_delegate.cc

   1 // Copyright 2013 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/profile_resetter/automatic_profile_resetter_delegate.h"
   6
   7 #include <string>
   8
   9 #include "base/bind.h"
  10 #include "base/bind_helpers.h"
  11 #include "base/callback.h"
  12 #include "base/logging.h"
  13 #include "base/md5.h"
  14 #include "base/memory/scoped_vector.h"
  15 #include "base/strings/string_number_conversions.h"
  16 #include "base/strings/string_util.h"
  17 #include "base/values.h"
  18 #include "chrome/app/chrome_command_ids.h"
  19 #include "chrome/browser/chrome_notification_types.h"
  20 #include "chrome/browser/google/google_util.h"
  21 #include "chrome/browser/profile_resetter/brandcode_config_fetcher.h"
  22 #include "chrome/browser/profile_resetter/profile_reset_global_error.h"
  23 #include "chrome/browser/profile_resetter/profile_resetter.h"
  24 #include "chrome/browser/profile_resetter/resettable_settings_snapshot.h"
  25 #include "chrome/browser/profiles/profile.h"
  26 #include "chrome/browser/search_engines/template_url_prepopulate_data.h"
  27 #include "chrome/browser/search_engines/template_url_service.h"
  28 #include "chrome/browser/search_engines/template_url_service_factory.h"
  29 #include "chrome/browser/ui/browser.h"
  30 #include "chrome/browser/ui/browser_finder.h"
  31 #include "chrome/browser/ui/global_error/global_error_service.h"
  32 #include "chrome/browser/ui/global_error/global_error_service_factory.h"
  33 #include "content/public/browser/browser_thread.h"
  34 #include "content/public/browser/notification_service.h"
  35
  36 #if defined(OS_WIN)
  37 #include "chrome/browser/enumerate_modules_model_win.h"
  38 #endif
  39
  40 namespace {
  41
  42 scoped_ptr<base::DictionaryValue> BuildSubTreeFromTemplateURL(
  43     const TemplateURL* template_url) {
  44   // If this value contains a placeholder in the pre-populated data, it will
  45   // have been replaced as it was loaded into a TemplateURL.
  46   // BuildSubTreeFromTemplateURL works with TemplateURL (not TemplateURLData)
  47   // in order to maintain this behaviour.
  48   // TODO(engedy): Confirm the expected behaviour and convert to use
  49   // TemplateURLData if possible."
  50   scoped_ptr<base::DictionaryValue> tree(new base::DictionaryValue);
  51   tree->SetString("name", template_url->short_name());
  52   tree->SetString("short_name", template_url->short_name());
  53   tree->SetString("keyword", template_url->keyword());
  54   tree->SetString("search_url", template_url->url());
  55   tree->SetString("url", template_url->url());
  56   tree->SetString("suggestions_url", template_url->suggestions_url());
  57   tree->SetString("instant_url", template_url->instant_url());
  58   tree->SetString("image_url", template_url->image_url());
  59   tree->SetString("new_tab_url", template_url->new_tab_url());
  60   tree->SetString("search_url_post_params",
  61                   template_url->search_url_post_params());
  62   tree->SetString("suggestions_url_post_params",
  63                   template_url->suggestions_url_post_params());
  64   tree->SetString("instant_url_post_params",
  65                   template_url->instant_url_post_params());
  66   tree->SetString("image_url_post_params",
  67                   template_url->image_url_post_params());
  68   base::ListValue* alternate_urls = new base::ListValue;
  69   alternate_urls->AppendStrings(template_url->alternate_urls());
  70   tree->Set("alternate_urls", alternate_urls);
  71   tree->SetString("favicon_url", template_url->favicon_url().spec());
  72   tree->SetString("originating_url", template_url->originating_url().spec());
  73   tree->SetBoolean("safe_for_autoreplace",
  74                    template_url->safe_for_autoreplace());
  75   base::ListValue* input_encodings = new base::ListValue;
  76   input_encodings->AppendStrings(template_url->input_encodings());
  77   tree->Set("input_encodings", input_encodings);
  78   tree->SetString("id", base::Int64ToString(template_url->id()));
  79   tree->SetString("date_created",
  80                   base::Int64ToString(
  81                       template_url->date_created().ToInternalValue()));
  82   tree->SetString("last_modified",
  83                   base::Int64ToString(
  84                       template_url->last_modified().ToInternalValue()));
  85   tree->SetBoolean("created_by_policy", template_url->created_by_policy());
  86   tree->SetInteger("usage_count", template_url->usage_count());
  87   tree->SetInteger("prepopulate_id", template_url->prepopulate_id());
  88   tree->SetString("search_terms_replacement_key",
  89                   template_url->search_terms_replacement_key());
  90   return tree.Pass();
  91 }
  92
  93 #if defined(OS_WIN)
  94 void ExtractLoadedModuleNameDigests(
  95     const base::ListValue& module_list,
  96     base::ListValue* module_name_digests) {
  97   DCHECK(module_name_digests);
  98
  99   // EnumerateModulesModel produces a list of dictionaries.
 100   // Each dictionary corresponds to a module and exposes a number of properties.
 101   // We care only about 'type' and 'name'.
 102   for (size_t i = 0; i < module_list.GetSize(); ++i) {
 103     const base::DictionaryValue* module_dictionary = NULL;
 104     if (!module_list.GetDictionary(i, &module_dictionary))
 105       continue;
 106     ModuleEnumerator::ModuleType module_type =
 107         ModuleEnumerator::LOADED_MODULE;
 108     if (!module_dictionary->GetInteger(
 109             "type", reinterpret_cast<int*>(&module_type)) ||
 110         module_type != ModuleEnumerator::LOADED_MODULE) {
 111       continue;
 112     }
 113     std::string module_name;
 114     if (!module_dictionary->GetString("name", &module_name))
 115       continue;
 116     StringToLowerASCII(&module_name);
 117     module_name_digests->AppendString(base::MD5String(module_name));
 118   }
 119 }
 120 #endif
 121
 122 }  // namespace
 123
 124
 125 // AutomaticProfileResetterDelegateImpl --------------------------------------
 126
 127 AutomaticProfileResetterDelegateImpl::AutomaticProfileResetterDelegateImpl(
 128     Profile* profile,
 129     ProfileResetter::ResettableFlags resettable_aspects)
 130     : profile_(profile),
 131       global_error_service_(GlobalErrorServiceFactory::GetForProfile(profile_)),
 132       template_url_service_(TemplateURLServiceFactory::GetForProfile(profile_)),
 133       resettable_aspects_(resettable_aspects) {
 134   DCHECK(profile_);
 135   if (template_url_service_) {
 136     template_url_service_->AddObserver(this);
 137     // Needed so that |template_url_service_ready_event_| will be signaled even
 138     // when TemplateURLService had been already initialized before this point.
 139     OnTemplateURLServiceChanged();
 140   }
 141
 142 #if defined(OS_WIN)
 143   module_list_.reset(EnumerateModulesModel::GetInstance()->GetModuleList());
 144 #endif
 145   if (module_list_) {
 146     // Having a non-empty module list proves that enumeration had been already
 147     // performed before this point.
 148     modules_have_been_enumerated_event_.Signal();
 149   }
 150   registrar_.Add(this,
 151                  chrome::NOTIFICATION_MODULE_LIST_ENUMERATED,
 152                  content::NotificationService::AllSources());
 153 }
 154
 155 AutomaticProfileResetterDelegateImpl::~AutomaticProfileResetterDelegateImpl() {
 156   if (template_url_service_)
 157     template_url_service_->RemoveObserver(this);
 158 }
 159
 160 void AutomaticProfileResetterDelegateImpl::EnumerateLoadedModulesIfNeeded() {
 161   if (!modules_have_been_enumerated_event_.is_signaled()) {
 162 #if defined(OS_WIN)
 163     EnumerateModulesModel::GetInstance()->ScanNow();
 164 #else
 165     modules_have_been_enumerated_event_.Signal();
 166 #endif
 167   }
 168 }
 169
 170 void AutomaticProfileResetterDelegateImpl::
 171     RequestCallbackWhenLoadedModulesAreEnumerated(
 172     const base::Closure& ready_callback) const {
 173   DCHECK(!ready_callback.is_null());
 174   modules_have_been_enumerated_event_.Post(FROM_HERE, ready_callback);
 175 }
 176
 177 void AutomaticProfileResetterDelegateImpl::LoadTemplateURLServiceIfNeeded() {
 178   DCHECK(template_url_service_);
 179   template_url_service_->Load();  // Safe to call even if it has loaded already.
 180 }
 181
 182 void AutomaticProfileResetterDelegateImpl::
 183     RequestCallbackWhenTemplateURLServiceIsLoaded(
 184     const base::Closure& ready_callback) const {
 185   DCHECK(!ready_callback.is_null());
 186   template_url_service_ready_event_.Post(FROM_HERE, ready_callback);
 187 }
 188
 189 void AutomaticProfileResetterDelegateImpl::
 190     FetchBrandcodedDefaultSettingsIfNeeded() {
 191   if (brandcoded_config_fetcher_ ||
 192       brandcoded_defaults_fetched_event_.is_signaled())
 193     return;
 194
 195   std::string brandcode;
 196   google_util::GetBrand(&brandcode);
 197   if (brandcode.empty()) {
 198     brandcoded_defaults_.reset(new BrandcodedDefaultSettings);
 199     brandcoded_defaults_fetched_event_.Signal();
 200   } else {
 201     brandcoded_config_fetcher_.reset(new BrandcodeConfigFetcher(
 202         base::Bind(
 203             &AutomaticProfileResetterDelegateImpl::OnBrandcodedDefaultsFetched,
 204             base::Unretained(this)),
 205         GURL("https://tools.google.com/service/update2"),
 206         brandcode));
 207   }
 208 }
 209
 210 void AutomaticProfileResetterDelegateImpl::
 211     RequestCallbackWhenBrandcodedDefaultsAreFetched(
 212     const base::Closure& ready_callback) const {
 213   DCHECK(!ready_callback.is_null());
 214   brandcoded_defaults_fetched_event_.Post(FROM_HERE, ready_callback);
 215 }
 216
 217 scoped_ptr<base::ListValue> AutomaticProfileResetterDelegateImpl::
 218     GetLoadedModuleNameDigests() const {
 219   DCHECK(modules_have_been_enumerated_event_.is_signaled());
 220   scoped_ptr<base::ListValue> result(new base::ListValue);
 221 #if defined(OS_WIN)
 222   if (module_list_)
 223     ExtractLoadedModuleNameDigests(*module_list_, result.get());
 224 #endif
 225   return result.Pass();
 226 }
 227
 228 scoped_ptr<base::DictionaryValue> AutomaticProfileResetterDelegateImpl::
 229     GetDefaultSearchProviderDetails() const {
 230   DCHECK(template_url_service_);
 231   DCHECK(template_url_service_->loaded());
 232
 233   const TemplateURL* default_search_provider =
 234       template_url_service_->GetDefaultSearchProvider();
 235
 236   // Having a NULL default search provider is due to either:
 237   //  1.) default search providers being disabled by policy,
 238   //  2.) directly tampering with the Preferences and/or the SQLite DBs.
 239   // In this state, Omnibox non-keyword search functionality is disabled.
 240   return default_search_provider ?
 241       BuildSubTreeFromTemplateURL(default_search_provider) :
 242       scoped_ptr<base::DictionaryValue>(new base::DictionaryValue);
 243 }
 244
 245 bool AutomaticProfileResetterDelegateImpl::
 246     IsDefaultSearchProviderManaged() const {
 247   DCHECK(template_url_service_);
 248   DCHECK(template_url_service_->loaded());
 249   return template_url_service_->is_default_search_managed();
 250 }
 251
 252 scoped_ptr<base::ListValue> AutomaticProfileResetterDelegateImpl::
 253     GetPrepopulatedSearchProvidersDetails() const {
 254   size_t default_search_index = 0;
 255   ScopedVector<TemplateURLData> engines(
 256       TemplateURLPrepopulateData::GetPrepopulatedEngines(
 257           profile_->GetPrefs(), &default_search_index));
 258   scoped_ptr<base::ListValue> engines_details_list(new base::ListValue);
 259   for (ScopedVector<TemplateURLData>::const_iterator it = engines.begin();
 260        it != engines.end(); ++it) {
 261     TemplateURL template_url(profile_, **it);
 262     engines_details_list->Append(
 263         BuildSubTreeFromTemplateURL(&template_url).release());
 264   }
 265   return engines_details_list.Pass();
 266 }
 267
 268 bool AutomaticProfileResetterDelegateImpl::TriggerPrompt() {
 269   DCHECK(global_error_service_);
 270
 271   if (!ProfileResetGlobalError::IsSupportedOnPlatform())
 272     return false;
 273
 274   ProfileResetGlobalError* global_error = new ProfileResetGlobalError(profile_);
 275   global_error_service_->AddGlobalError(global_error);
 276
 277   // Do not try to show bubble if another GlobalError is already showing one.
 278   const GlobalErrorService::GlobalErrorList& global_errors(
 279       global_error_service_->errors());
 280   GlobalErrorService::GlobalErrorList::const_iterator it;
 281   for (it = global_errors.begin(); it != global_errors.end(); ++it) {
 282     if ((*it)->GetBubbleView())
 283       break;
 284   }
 285   if (it == global_errors.end()) {
 286     Browser* browser = chrome::FindTabbedBrowser(
 287         profile_,
 288         false /*match_original_profiles*/,
 289         chrome::GetActiveDesktop());
 290     if (browser)
 291       global_error->ShowBubbleView(browser);
 292   }
 293   return true;
 294 }
 295
 296 void AutomaticProfileResetterDelegateImpl::TriggerProfileSettingsReset(
 297     bool send_feedback,
 298     const base::Closure& completion) {
 299   DCHECK(!profile_resetter_);
 300   DCHECK(!completion.is_null());
 301
 302   profile_resetter_.reset(new ProfileResetter(profile_));
 303   FetchBrandcodedDefaultSettingsIfNeeded();
 304   RequestCallbackWhenBrandcodedDefaultsAreFetched(base::Bind(
 305       &AutomaticProfileResetterDelegateImpl::RunProfileSettingsReset,
 306       AsWeakPtr(),
 307       send_feedback,
 308       completion));
 309 }
 310
 311 void AutomaticProfileResetterDelegateImpl::OnTemplateURLServiceChanged() {
 312   DCHECK(content::BrowserThread::CurrentlyOn(content::BrowserThread::UI));
 313   DCHECK(template_url_service_);
 314   if (template_url_service_->loaded() &&
 315       !template_url_service_ready_event_.is_signaled())
 316     template_url_service_ready_event_.Signal();
 317 }
 318
 319 void AutomaticProfileResetterDelegateImpl::DismissPrompt() {
 320   DCHECK(global_error_service_);
 321   GlobalError* global_error =
 322       global_error_service_->GetGlobalErrorByMenuItemCommandID(
 323           IDC_SHOW_SETTINGS_RESET_BUBBLE);
 324   if (global_error) {
 325     // This will also close/destroy the Bubble UI if it is currently shown.
 326     global_error_service_->RemoveGlobalError(global_error);
 327     delete global_error;
 328   }
 329 }
 330
 331 void AutomaticProfileResetterDelegateImpl::Observe(
 332     int type,
 333     const content::NotificationSource& source,
 334     const content::NotificationDetails& details) {
 335   DCHECK(content::BrowserThread::CurrentlyOn(content::BrowserThread::UI));
 336   if (type == chrome::NOTIFICATION_MODULE_LIST_ENUMERATED &&
 337       !modules_have_been_enumerated_event_.is_signaled()) {
 338 #if defined(OS_WIN)
 339     module_list_.reset(EnumerateModulesModel::GetInstance()->GetModuleList());
 340 #endif
 341     modules_have_been_enumerated_event_.Signal();
 342   }
 343 }
 344
 345 void AutomaticProfileResetterDelegateImpl::SendFeedback(
 346     const std::string& report) const {
 347   SendSettingsFeedback(report, profile_, PROFILE_RESET_PROMPT);
 348 }
 349
 350 void AutomaticProfileResetterDelegateImpl::RunProfileSettingsReset(
 351     bool send_feedback,
 352     const base::Closure& completion) {
 353   DCHECK(brandcoded_defaults_);
 354   scoped_ptr<ResettableSettingsSnapshot> old_settings_snapshot;
 355   if (send_feedback) {
 356     old_settings_snapshot.reset(new ResettableSettingsSnapshot(profile_));
 357     old_settings_snapshot->RequestShortcuts(base::Closure());
 358   }
 359   profile_resetter_->Reset(
 360       resettable_aspects_,
 361       brandcoded_defaults_.Pass(),
 362       base::Bind(&AutomaticProfileResetterDelegateImpl::
 363                      OnProfileSettingsResetCompleted,
 364                  AsWeakPtr(),
 365                  completion,
 366                  base::Passed(&old_settings_snapshot)));
 367 }
 368
 369 void AutomaticProfileResetterDelegateImpl::
 370     OnBrandcodedDefaultsFetched() {
 371   DCHECK(content::BrowserThread::CurrentlyOn(content::BrowserThread::UI));
 372   DCHECK(brandcoded_config_fetcher_);
 373   DCHECK(!brandcoded_config_fetcher_->IsActive());
 374   brandcoded_defaults_ = brandcoded_config_fetcher_->GetSettings();
 375   if (!brandcoded_defaults_)
 376     brandcoded_defaults_.reset(new BrandcodedDefaultSettings);
 377   brandcoded_defaults_fetched_event_.Signal();
 378 }
 379
 380 void AutomaticProfileResetterDelegateImpl::OnProfileSettingsResetCompleted(
 381     const base::Closure& user_callback,
 382     scoped_ptr<ResettableSettingsSnapshot> old_settings_snapshot) {
 383   DCHECK(content::BrowserThread::CurrentlyOn(content::BrowserThread::UI));
 384   if (old_settings_snapshot) {
 385     ResettableSettingsSnapshot new_settings_snapshot(profile_);
 386     int difference =
 387         old_settings_snapshot->FindDifferentFields(new_settings_snapshot);
 388     if (difference) {
 389       old_settings_snapshot->Subtract(new_settings_snapshot);
 390       std::string report =
 391           SerializeSettingsReport(*old_settings_snapshot, difference);
 392       SendFeedback(report);
 393     }
 394   }
 395   content::BrowserThread::PostTask(
 396       content::BrowserThread::UI, FROM_HERE, user_callback);
 397 }