chrome/browser/extensions/external_install_error.cc

   1 // Copyright 2014 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/extensions/external_install_error.h"
   6
   7 #include "base/bind.h"
   8 #include "base/strings/utf_string_conversions.h"
   9 #include "chrome/app/chrome_command_ids.h"
  10 #include "chrome/browser/extensions/extension_install_prompt_show_params.h"
  11 #include "chrome/browser/extensions/extension_service.h"
  12 #include "chrome/browser/extensions/external_install_manager.h"
  13 #include "chrome/browser/extensions/webstore_data_fetcher.h"
  14 #include "chrome/browser/profiles/profile.h"
  15 #include "chrome/browser/ui/browser.h"
  16 #include "chrome/browser/ui/browser_finder.h"
  17 #include "chrome/browser/ui/global_error/global_error.h"
  18 #include "chrome/browser/ui/global_error/global_error_service.h"
  19 #include "chrome/browser/ui/global_error/global_error_service_factory.h"
  20 #include "chrome/browser/ui/tabs/tab_strip_model.h"
  21 #include "chrome/grit/generated_resources.h"
  22 #include "extensions/browser/extension_registry.h"
  23 #include "extensions/browser/extension_system.h"
  24 #include "extensions/browser/uninstall_reason.h"
  25 #include "extensions/common/constants.h"
  26 #include "extensions/common/extension.h"
  27 #include "ui/base/l10n/l10n_util.h"
  28 #include "ui/gfx/image/image.h"
  29 #include "ui/gfx/image/image_skia_operations.h"
  30
  31 namespace extensions {
  32
  33 namespace {
  34
  35 // Return the menu label for a global error.
  36 base::string16 GetMenuItemLabel(const Extension* extension) {
  37   if (!extension)
  38     return base::string16();
  39
  40   int id = -1;
  41   if (extension->is_app())
  42     id = IDS_EXTENSION_EXTERNAL_INSTALL_ALERT_APP;
  43   else if (extension->is_theme())
  44     id = IDS_EXTENSION_EXTERNAL_INSTALL_ALERT_THEME;
  45   else
  46     id = IDS_EXTENSION_EXTERNAL_INSTALL_ALERT_EXTENSION;
  47
  48   return l10n_util::GetStringFUTF16(id, base::UTF8ToUTF16(extension->name()));
  49 }
  50
  51 // A global error that spawns a dialog when the menu item is clicked.
  52 class ExternalInstallMenuAlert : public GlobalError {
  53  public:
  54   explicit ExternalInstallMenuAlert(ExternalInstallError* error);
  55   ~ExternalInstallMenuAlert() override;
  56
  57  private:
  58   // GlobalError implementation.
  59   Severity GetSeverity() override;
  60   bool HasMenuItem() override;
  61   int MenuItemCommandID() override;
  62   base::string16 MenuItemLabel() override;
  63   void ExecuteMenuItem(Browser* browser) override;
  64   bool HasBubbleView() override;
  65   bool HasShownBubbleView() override;
  66   void ShowBubbleView(Browser* browser) override;
  67   GlobalErrorBubbleViewBase* GetBubbleView() override;
  68
  69   // The owning ExternalInstallError.
  70   ExternalInstallError* error_;
  71
  72   DISALLOW_COPY_AND_ASSIGN(ExternalInstallMenuAlert);
  73 };
  74
  75 // A global error that spawns a bubble when the menu item is clicked.
  76 class ExternalInstallBubbleAlert : public GlobalErrorWithStandardBubble {
  77  public:
  78   explicit ExternalInstallBubbleAlert(ExternalInstallError* error,
  79                                       ExtensionInstallPrompt::Prompt* prompt);
  80   ~ExternalInstallBubbleAlert() override;
  81
  82  private:
  83   // GlobalError implementation.
  84   Severity GetSeverity() override;
  85   bool HasMenuItem() override;
  86   int MenuItemCommandID() override;
  87   base::string16 MenuItemLabel() override;
  88   void ExecuteMenuItem(Browser* browser) override;
  89
  90   // GlobalErrorWithStandardBubble implementation.
  91   gfx::Image GetBubbleViewIcon() override;
  92   base::string16 GetBubbleViewTitle() override;
  93   std::vector<base::string16> GetBubbleViewMessages() override;
  94   base::string16 GetBubbleViewAcceptButtonLabel() override;
  95   base::string16 GetBubbleViewCancelButtonLabel() override;
  96   void OnBubbleViewDidClose(Browser* browser) override;
  97   void BubbleViewAcceptButtonPressed(Browser* browser) override;
  98   void BubbleViewCancelButtonPressed(Browser* browser) override;
  99
 100   // The owning ExternalInstallError.
 101   ExternalInstallError* error_;
 102
 103   // The Prompt with all information, which we then use to populate the bubble.
 104   ExtensionInstallPrompt::Prompt* prompt_;
 105
 106   DISALLOW_COPY_AND_ASSIGN(ExternalInstallBubbleAlert);
 107 };
 108
 109 ////////////////////////////////////////////////////////////////////////////////
 110 // ExternalInstallMenuAlert
 111
 112 ExternalInstallMenuAlert::ExternalInstallMenuAlert(ExternalInstallError* error)
 113     : error_(error) {
 114 }
 115
 116 ExternalInstallMenuAlert::~ExternalInstallMenuAlert() {
 117 }
 118
 119 GlobalError::Severity ExternalInstallMenuAlert::GetSeverity() {
 120   return SEVERITY_LOW;
 121 }
 122
 123 bool ExternalInstallMenuAlert::HasMenuItem() {
 124   return true;
 125 }
 126
 127 int ExternalInstallMenuAlert::MenuItemCommandID() {
 128   return IDC_EXTERNAL_EXTENSION_ALERT;
 129 }
 130
 131 base::string16 ExternalInstallMenuAlert::MenuItemLabel() {
 132   return GetMenuItemLabel(error_->GetExtension());
 133 }
 134
 135 void ExternalInstallMenuAlert::ExecuteMenuItem(Browser* browser) {
 136   error_->ShowDialog(browser);
 137 }
 138
 139 bool ExternalInstallMenuAlert::HasBubbleView() {
 140   return false;
 141 }
 142
 143 bool ExternalInstallMenuAlert::HasShownBubbleView() {
 144   NOTREACHED();
 145   return true;
 146 }
 147
 148 void ExternalInstallMenuAlert::ShowBubbleView(Browser* browser) {
 149   NOTREACHED();
 150 }
 151
 152 GlobalErrorBubbleViewBase* ExternalInstallMenuAlert::GetBubbleView() {
 153   return NULL;
 154 }
 155
 156 ////////////////////////////////////////////////////////////////////////////////
 157 // ExternalInstallBubbleAlert
 158
 159 ExternalInstallBubbleAlert::ExternalInstallBubbleAlert(
 160     ExternalInstallError* error,
 161     ExtensionInstallPrompt::Prompt* prompt)
 162     : error_(error), prompt_(prompt) {
 163   DCHECK(error_);
 164   DCHECK(prompt_);
 165 }
 166
 167 ExternalInstallBubbleAlert::~ExternalInstallBubbleAlert() {
 168 }
 169
 170 GlobalError::Severity ExternalInstallBubbleAlert::GetSeverity() {
 171   return SEVERITY_LOW;
 172 }
 173
 174 bool ExternalInstallBubbleAlert::HasMenuItem() {
 175   return true;
 176 }
 177
 178 int ExternalInstallBubbleAlert::MenuItemCommandID() {
 179   return IDC_EXTERNAL_EXTENSION_ALERT;
 180 }
 181
 182 base::string16 ExternalInstallBubbleAlert::MenuItemLabel() {
 183   return GetMenuItemLabel(error_->GetExtension());
 184 }
 185
 186 void ExternalInstallBubbleAlert::ExecuteMenuItem(Browser* browser) {
 187   ShowBubbleView(browser);
 188 }
 189
 190 gfx::Image ExternalInstallBubbleAlert::GetBubbleViewIcon() {
 191   if (prompt_->icon().IsEmpty())
 192     return GlobalErrorWithStandardBubble::GetBubbleViewIcon();
 193   // Scale icon to a reasonable size.
 194   return gfx::Image(gfx::ImageSkiaOperations::CreateResizedImage(
 195       *prompt_->icon().ToImageSkia(),
 196       skia::ImageOperations::RESIZE_BEST,
 197       gfx::Size(extension_misc::EXTENSION_ICON_SMALL,
 198                 extension_misc::EXTENSION_ICON_SMALL)));
 199 }
 200
 201 base::string16 ExternalInstallBubbleAlert::GetBubbleViewTitle() {
 202   return l10n_util::GetStringFUTF16(
 203       IDS_EXTENSION_EXTERNAL_INSTALL_ALERT_BUBBLE_TITLE,
 204       base::UTF8ToUTF16(prompt_->extension()->name()));
 205 }
 206
 207 std::vector<base::string16>
 208 ExternalInstallBubbleAlert::GetBubbleViewMessages() {
 209   ExtensionInstallPrompt::PermissionsType regular_permissions =
 210       ExtensionInstallPrompt::PermissionsType::REGULAR_PERMISSIONS;
 211   ExtensionInstallPrompt::PermissionsType withheld_permissions =
 212       ExtensionInstallPrompt::PermissionsType::WITHHELD_PERMISSIONS;
 213
 214   std::vector<base::string16> messages;
 215   int heading_id =
 216       IDS_EXTENSION_EXTERNAL_INSTALL_ALERT_BUBBLE_HEADING_EXTENSION;
 217   if (prompt_->extension()->is_app())
 218     heading_id = IDS_EXTENSION_EXTERNAL_INSTALL_ALERT_BUBBLE_HEADING_APP;
 219   else if (prompt_->extension()->is_theme())
 220     heading_id = IDS_EXTENSION_EXTERNAL_INSTALL_ALERT_BUBBLE_HEADING_THEME;
 221   messages.push_back(l10n_util::GetStringUTF16(heading_id));
 222
 223   if (prompt_->GetPermissionCount(regular_permissions)) {
 224     messages.push_back(prompt_->GetPermissionsHeading(regular_permissions));
 225     for (size_t i = 0; i < prompt_->GetPermissionCount(regular_permissions);
 226          ++i) {
 227       messages.push_back(l10n_util::GetStringFUTF16(
 228           IDS_EXTENSION_PERMISSION_LINE,
 229           prompt_->GetPermission(i, regular_permissions)));
 230     }
 231   }
 232   if (prompt_->GetPermissionCount(withheld_permissions)) {
 233     messages.push_back(prompt_->GetPermissionsHeading(withheld_permissions));
 234     for (size_t i = 0; i < prompt_->GetPermissionCount(withheld_permissions);
 235          ++i) {
 236       messages.push_back(l10n_util::GetStringFUTF16(
 237           IDS_EXTENSION_PERMISSION_LINE,
 238           prompt_->GetPermission(i, withheld_permissions)));
 239     }
 240   }
 241   // TODO(yoz): OAuth issue advice?
 242   return messages;
 243 }
 244
 245 base::string16 ExternalInstallBubbleAlert::GetBubbleViewAcceptButtonLabel() {
 246   return prompt_->GetAcceptButtonLabel();
 247 }
 248
 249 base::string16 ExternalInstallBubbleAlert::GetBubbleViewCancelButtonLabel() {
 250   return prompt_->GetAbortButtonLabel();
 251 }
 252
 253 void ExternalInstallBubbleAlert::OnBubbleViewDidClose(Browser* browser) {
 254 }
 255
 256 void ExternalInstallBubbleAlert::BubbleViewAcceptButtonPressed(
 257     Browser* browser) {
 258   error_->InstallUIProceed();
 259 }
 260
 261 void ExternalInstallBubbleAlert::BubbleViewCancelButtonPressed(
 262     Browser* browser) {
 263   error_->InstallUIAbort(true);
 264 }
 265
 266 }  // namespace
 267
 268 ////////////////////////////////////////////////////////////////////////////////
 269 // ExternalInstallError
 270
 271 ExternalInstallError::ExternalInstallError(
 272     content::BrowserContext* browser_context,
 273     const std::string& extension_id,
 274     AlertType alert_type,
 275     ExternalInstallManager* manager)
 276     : browser_context_(browser_context),
 277       extension_id_(extension_id),
 278       alert_type_(alert_type),
 279       manager_(manager),
 280       error_service_(GlobalErrorServiceFactory::GetForProfile(
 281           Profile::FromBrowserContext(browser_context_))),
 282       weak_factory_(this) {
 283   prompt_ = new ExtensionInstallPrompt::Prompt(
 284       ExtensionInstallPrompt::EXTERNAL_INSTALL_PROMPT);
 285
 286   webstore_data_fetcher_.reset(new WebstoreDataFetcher(
 287       this, browser_context_->GetRequestContext(), GURL(), extension_id_));
 288   webstore_data_fetcher_->Start();
 289 }
 290
 291 ExternalInstallError::~ExternalInstallError() {
 292   if (global_error_.get())
 293     error_service_->RemoveGlobalError(global_error_.get());
 294 }
 295
 296 void ExternalInstallError::InstallUIProceed() {
 297   const Extension* extension = GetExtension();
 298   if (extension) {
 299     ExtensionSystem::Get(browser_context_)
 300         ->extension_service()
 301         ->GrantPermissionsAndEnableExtension(extension);
 302     // Since the manager listens for the extension to be loaded, this will
 303     // remove the error...
 304   } else {
 305     // ... Otherwise we have to do it explicitly.
 306     manager_->RemoveExternalInstallError();
 307   }
 308 }
 309
 310 void ExternalInstallError::InstallUIAbort(bool user_initiated) {
 311   if (user_initiated && GetExtension()) {
 312     ExtensionSystem::Get(browser_context_)
 313         ->extension_service()
 314         ->UninstallExtension(extension_id_,
 315                              extensions::UNINSTALL_REASON_INSTALL_CANCELED,
 316                              base::Bind(&base::DoNothing),
 317                              NULL);  // Ignore error.
 318     // Since the manager listens for the extension to be removed, this will
 319     // remove the error...
 320   } else {
 321     // ... Otherwise we have to do it explicitly.
 322     manager_->RemoveExternalInstallError();
 323   }
 324 }
 325
 326 void ExternalInstallError::ShowDialog(Browser* browser) {
 327   DCHECK(install_ui_.get());
 328   DCHECK(prompt_.get());
 329   DCHECK(browser);
 330   content::WebContents* web_contents = NULL;
 331   web_contents = browser->tab_strip_model()->GetActiveWebContents();
 332   install_ui_show_params_.reset(
 333       new ExtensionInstallPromptShowParams(web_contents));
 334   ExtensionInstallPrompt::GetDefaultShowDialogCallback().Run(
 335       install_ui_show_params_.get(), this, prompt_);
 336 }
 337
 338 const Extension* ExternalInstallError::GetExtension() const {
 339   return ExtensionRegistry::Get(browser_context_)
 340       ->GetExtensionById(extension_id_, ExtensionRegistry::EVERYTHING);
 341 }
 342
 343 void ExternalInstallError::OnWebstoreRequestFailure() {
 344   OnFetchComplete();
 345 }
 346
 347 void ExternalInstallError::OnWebstoreResponseParseSuccess(
 348     scoped_ptr<base::DictionaryValue> webstore_data) {
 349   std::string localized_user_count;
 350   double average_rating = 0;
 351   int rating_count = 0;
 352   if (!webstore_data->GetString(kUsersKey, &localized_user_count) ||
 353       !webstore_data->GetDouble(kAverageRatingKey, &average_rating) ||
 354       !webstore_data->GetInteger(kRatingCountKey, &rating_count)) {
 355     // If we don't get a valid webstore response, short circuit, and continue
 356     // to show a prompt without webstore data.
 357     OnFetchComplete();
 358     return;
 359   }
 360
 361   bool show_user_count = true;
 362   webstore_data->GetBoolean(kShowUserCountKey, &show_user_count);
 363
 364   prompt_->SetWebstoreData(
 365       localized_user_count, show_user_count, average_rating, rating_count);
 366   OnFetchComplete();
 367 }
 368
 369 void ExternalInstallError::OnWebstoreResponseParseFailure(
 370     const std::string& error) {
 371   OnFetchComplete();
 372 }
 373
 374 void ExternalInstallError::OnFetchComplete() {
 375   // Create a new ExtensionInstallPrompt. We pass in NULL for the UI
 376   // components because we display at a later point, and don't want
 377   // to pass ones which may be invalidated.
 378   install_ui_.reset(
 379       new ExtensionInstallPrompt(Profile::FromBrowserContext(browser_context_),
 380                                  NULL));  // NULL native window.
 381
 382   install_ui_->ConfirmExternalInstall(
 383       this,
 384       GetExtension(),
 385       base::Bind(&ExternalInstallError::OnDialogReady,
 386                  weak_factory_.GetWeakPtr()),
 387       prompt_);
 388 }
 389
 390 void ExternalInstallError::OnDialogReady(
 391     ExtensionInstallPromptShowParams* show_params,
 392     ExtensionInstallPrompt::Delegate* prompt_delegate,
 393     scoped_refptr<ExtensionInstallPrompt::Prompt> prompt) {
 394   DCHECK_EQ(this, prompt_delegate);
 395   prompt_ = prompt;
 396
 397   if (alert_type_ == BUBBLE_ALERT) {
 398     global_error_.reset(new ExternalInstallBubbleAlert(this, prompt_.get()));
 399     error_service_->AddGlobalError(global_error_.get());
 400
 401     Browser* browser =
 402         chrome::FindTabbedBrowser(Profile::FromBrowserContext(browser_context_),
 403                                   true,
 404                                   chrome::GetActiveDesktop());
 405     if (browser)
 406       global_error_->ShowBubbleView(browser);
 407   } else {
 408     DCHECK(alert_type_ == MENU_ALERT);
 409     global_error_.reset(new ExternalInstallMenuAlert(this));
 410     error_service_->AddGlobalError(global_error_.get());
 411   }
 412 }
 413
 414 }  // namespace extensions