Enable import/export of passwords into/from Password Manager

chrome/browser/ui/webui/options/password_manager_handler.cc

Index: chrome/browser/ui/webui/options/password_manager_handler.cc
diff --git a/chrome/browser/ui/webui/options/password_manager_handler.cc b/chrome/browser/ui/webui/options/password_manager_handler.cc
index 2b10eb8ec8d69bb7dd8c9f2719c909f1d20e517e..2e5421c5f5ec98cb2a1117420c967c1d571f2a64 100644
--- a/chrome/browser/ui/webui/options/password_manager_handler.cc
+++ b/chrome/browser/ui/webui/options/password_manager_handler.cc
@@ -6,25 +6,31 @@
 
 #include "base/bind.h"
 #include "base/command_line.h"
+#include "base/files/file_path.h"
+#include "base/metrics/histogram.h"
 #include "base/prefs/pref_service.h"
 #include "base/strings/string_number_conversions.h"
 #include "base/strings/string_split.h"
 #include "base/strings/utf_string_conversions.h"
 #include "base/values.h"
 #include "chrome/browser/chrome_notification_types.h"
+#include "chrome/browser/password_manager/sync_metrics.h"
 #include "chrome/browser/profiles/profile.h"
 #include "chrome/browser/sync/profile_sync_service.h"
 #include "chrome/browser/sync/profile_sync_service_factory.h"
 #if defined(OS_WIN) && defined(USE_ASH)
 #include "chrome/browser/ui/ash/ash_util.h"
 #endif
+#include "chrome/browser/ui/chrome_select_file_policy.h"
 #include "chrome/common/pref_names.h"
 #include "chrome/common/url_constants.h"
 #include "chrome/grit/generated_resources.h"
 #include "components/autofill/core/common/password_form.h"
 #include "components/password_manager/core/browser/affiliation_utils.h"
+#include "components/password_manager/core/browser/export/password_exporter.h"
 #include "components/password_manager/core/browser/password_bubble_experiment.h"
 #include "components/password_manager/core/common/experiments.h"
+#include "content/public/browser/browser_thread.h"
 #include "content/public/browser/notification_details.h"
 #include "content/public/browser/notification_source.h"
 #include "content/public/browser/user_metrics.h"
@@ -36,8 +42,25 @@
 
 namespace options {
 
-PasswordManagerHandler::PasswordManagerHandler()
-    : password_manager_presenter_(this) {}
+namespace {
+
+// Enumeration of different callers of SelectFile. Starting count at 1 so
+// accidental call of SelectFile with params=NULL will error out.
+enum {
+  IMPORT_FILE_SELECTED = 1,
+  EXPORT_FILE_SELECTED,
+};
+
+}  // namespace
+
+PasswordManagerHandler::PasswordManagerHandler() {
+  password_manager_presenter_.reset(new PasswordManagerPresenter(this));
+}
+
+PasswordManagerHandler::PasswordManagerHandler(
+    PasswordManagerPresenter* presenter) {
+  password_manager_presenter_.reset(presenter);
+}
 
 PasswordManagerHandler::~PasswordManagerHandler() {}
 
@@ -56,24 +79,23 @@ void PasswordManagerHandler::GetLocalizedValues(
   DCHECK(localized_strings);
 
   static const OptionsStringResource resources[] = {
-    { "autoSigninTitle",
-      IDS_PASSWORDS_AUTO_SIGNIN_TITLE },
-    { "autoSigninDescription",
-      IDS_PASSWORDS_AUTO_SIGNIN_DESCRIPTION },
-    { "savedPasswordsTitle",
-      IDS_PASSWORDS_SHOW_PASSWORDS_TAB_TITLE },
-    { "passwordExceptionsTitle",
-      IDS_PASSWORDS_EXCEPTIONS_TAB_TITLE },
-    { "passwordSearchPlaceholder",
-      IDS_PASSWORDS_PAGE_SEARCH_PASSWORDS },
-    { "passwordShowButton",
-      IDS_PASSWORDS_PAGE_VIEW_SHOW_BUTTON },
-    { "passwordHideButton",
-      IDS_PASSWORDS_PAGE_VIEW_HIDE_BUTTON },
-    { "passwordsNoPasswordsDescription",
-      IDS_PASSWORDS_PAGE_VIEW_NO_PASSWORDS_DESCRIPTION },
-    { "passwordsNoExceptionsDescription",
-      IDS_PASSWORDS_PAGE_VIEW_NO_EXCEPTIONS_DESCRIPTION },
+      {"autoSigninTitle", IDS_PASSWORDS_AUTO_SIGNIN_TITLE},
+      {"autoSigninDescription", IDS_PASSWORDS_AUTO_SIGNIN_DESCRIPTION},
+      {"savedPasswordsTitle", IDS_PASSWORDS_SHOW_PASSWORDS_TAB_TITLE},
+      {"passwordExceptionsTitle", IDS_PASSWORDS_EXCEPTIONS_TAB_TITLE},
+      {"passwordSearchPlaceholder", IDS_PASSWORDS_PAGE_SEARCH_PASSWORDS},
+      {"passwordShowButton", IDS_PASSWORDS_PAGE_VIEW_SHOW_BUTTON},
+      {"passwordHideButton", IDS_PASSWORDS_PAGE_VIEW_HIDE_BUTTON},
+      {"passwordsNoPasswordsDescription",
+       IDS_PASSWORDS_PAGE_VIEW_NO_PASSWORDS_DESCRIPTION},
+      {"passwordsNoExceptionsDescription",
+       IDS_PASSWORDS_PAGE_VIEW_NO_EXCEPTIONS_DESCRIPTION},
+      {"passwordManagerImportPasswordButtonText",
+       IDS_PASSWORD_MANAGER_IMPORT_BUTTON},
+      {"passwordManagerExportPasswordButtonText",
+       IDS_PASSWORD_MANAGER_EXPORT_BUTTON},
+      {"importPasswordCompletedMessage",
+       IDS_PASSWORD_MANAGER_IMPORT_COMPLETED_MESSAGE},
   };
 
   RegisterStrings(localized_strings, resources, arraysize(resources));
@@ -141,10 +163,18 @@ void PasswordManagerHandler::RegisterMessages() {
       "requestShowPassword",
       base::Bind(&PasswordManagerHandler::HandleRequestShowPassword,
                  base::Unretained(this)));
+  web_ui()->RegisterMessageCallback(
+      "importPassword",
+      base::Bind(&PasswordManagerHandler::HandlePasswordImport,
+                 base::Unretained(this)));
+  web_ui()->RegisterMessageCallback(
+      "exportPassword",
+      base::Bind(&PasswordManagerHandler::HandlePasswordExport,
+                 base::Unretained(this)));
 }
 
 void PasswordManagerHandler::InitializeHandler() {
-  password_manager_presenter_.Initialize();
+  password_manager_presenter_->Initialize();
 }
 
 void PasswordManagerHandler::InitializePage() {
@@ -152,6 +182,9 @@ void PasswordManagerHandler::InitializePage() {
       password_manager::ManageAccountLinkExperimentEnabled());
   web_ui()->CallJavascriptFunction(
       "PasswordManager.setManageAccountLinkVisibility", visible);
+  if (password_manager::ImportExportExperimentEnabled()) {
+    web_ui()->CallJavascriptFunction("PasswordManager.showImportExportButton");
+  }
 }
 
 void PasswordManagerHandler::HandleRemoveSavedPassword(
@@ -159,7 +192,8 @@ void PasswordManagerHandler::HandleRemoveSavedPassword(
   std::string string_value = base::UTF16ToUTF8(ExtractStringValue(args));
   int index;
   if (base::StringToInt(string_value, &index) && index >= 0) {
-    password_manager_presenter_.RemoveSavedPassword(static_cast<size_t>(index));
+    password_manager_presenter_->RemoveSavedPassword(
+        static_cast<size_t>(index));
   }
 }
 
@@ -168,7 +202,7 @@ void PasswordManagerHandler::HandleRemovePasswordException(
   std::string string_value = base::UTF16ToUTF8(ExtractStringValue(args));
   int index;
   if (base::StringToInt(string_value, &index) && index >= 0) {
-    password_manager_presenter_.RemovePasswordException(
+    password_manager_presenter_->RemovePasswordException(
         static_cast<size_t>(index));
   }
 }
@@ -179,7 +213,7 @@ void PasswordManagerHandler::HandleRequestShowPassword(
   if (!ExtractIntegerValue(args, &index))
     NOTREACHED();
 
-  password_manager_presenter_.RequestShowPassword(static_cast<size_t>(index));
+  password_manager_presenter_->RequestShowPassword(static_cast<size_t>(index));
 }
 
 void PasswordManagerHandler::ShowPassword(
@@ -196,7 +230,7 @@ void PasswordManagerHandler::ShowPassword(
 
 void PasswordManagerHandler::HandleUpdatePasswordLists(
     const base::ListValue* args) {
-  password_manager_presenter_.UpdatePasswordLists();
+  password_manager_presenter_->UpdatePasswordLists();
 }
 
 void PasswordManagerHandler::SetPasswordList(
@@ -242,4 +276,111 @@ void PasswordManagerHandler::SetPasswordExceptionList(
                                    entries);
 }
 
+void PasswordManagerHandler::FileSelected(const base::FilePath& path,
+                                          int index,
+                                          void* params) {
+  switch (reinterpret_cast<intptr_t>(params)) {
+    case IMPORT_FILE_SELECTED:
+      ImportPasswordFileSelected(path);
+      break;
+    case EXPORT_FILE_SELECTED:
+      ExportPasswordFileSelected(path);
+      break;
+    default:
+      NOTREACHED();
+  }
+}
+
+void PasswordManagerHandler::HandlePasswordImport(const base::ListValue* args) {
+#if !defined(OS_ANDROID)  // This is never called on Android.
+  ui::SelectFileDialog::FileTypeInfo file_type_info;
+  file_type_info.extensions =
+      password_manager::PasswordImporter::GetSupportedFileExtensions();
+  DCHECK(!file_type_info.extensions.empty() &&
+         !file_type_info.extensions[0].empty());
+  file_type_info.include_all_files = true;
+  selected_file_dialog_ = ui::SelectFileDialog::Create(
+      this, new ChromeSelectFilePolicy(web_ui()->GetWebContents()));
+  selected_file_dialog_->SelectFile(
+      ui::SelectFileDialog::SELECT_OPEN_FILE,
+      l10n_util::GetStringUTF16(IDS_PASSWORD_MANAGER_IMPORT_DIALOG_TITLE),
+      base::FilePath(), &file_type_info, 1, file_type_info.extensions[0][0],
+      web_ui()->GetWebContents()->GetTopLevelNativeWindow(),
+      reinterpret_cast<void*>(IMPORT_FILE_SELECTED));
+#endif
+}
+
+void PasswordManagerHandler::ImportPasswordFileSelected(
+    const base::FilePath& path) {
+  password_manager::PasswordImporter::Import(
+      path, content::BrowserThread::GetMessageLoopProxyForThread(
+                content::BrowserThread::FILE).get(),
+      base::Bind(&PasswordManagerHandler::ImportPasswordFileRead,
+                 base::Unretained(this)));
+}
+
+void PasswordManagerHandler::ImportPasswordFileRead(
+    password_manager::PasswordImporter::Result result,
+    const std::vector<autofill::PasswordForm>& forms) {
+  UMA_HISTOGRAM_ENUMERATION("PasswordManager.ImportPasswordFromCSVResult",
+                            result,
+                            password_manager::PasswordImporter::SEMANTIC_ERROR);
+  if (result != password_manager::PasswordImporter::SUCCESS) {
+    return;
+  }
+
+  UMA_HISTOGRAM_COUNTS("PasswordManager.ImportedPasswordsPerUserInCSV",
+                       forms.size());
+
+  if (password_manager_presenter_->AddPasswordsToStore(forms)) {
+    // Display Feedback UI
+    base::FundamentalValue visible(true);
+    web_ui()->CallJavascriptFunction(
+        "PasswordManager.setImportCompleteUIVisibility", visible);
+  } else {
+    UMA_HISTOGRAM_COUNTS("PasswordManager.FailToStorePasswordImportedFromCSV",
+                         1);
+  }
+}
+
+void PasswordManagerHandler::HandlePasswordExport(const base::ListValue* args) {
+#if !defined(OS_ANDROID)  // This is never called on Android.
+  if (password_manager_presenter_->RequestToExportPassword()) {
+    ui::SelectFileDialog::FileTypeInfo file_type_info;
+    file_type_info.extensions =
+        password_manager::PasswordExporter::GetSupportedFileExtensions();
+    DCHECK(!file_type_info.extensions.empty() &&
+           !file_type_info.extensions[0].empty());
+    file_type_info.include_all_files = true;
+    selected_file_dialog_ = ui::SelectFileDialog::Create(
+        this, new ChromeSelectFilePolicy(web_ui()->GetWebContents()));
+    selected_file_dialog_->SelectFile(
+        ui::SelectFileDialog::SELECT_SAVEAS_FILE,
+        l10n_util::GetStringUTF16(IDS_PASSWORD_MANAGER_EXPORT_DIALOG_TITLE),
+        base::FilePath(), &file_type_info, 1, file_type_info.extensions[0][0],
+        GetNativeWindow(), reinterpret_cast<void*>(EXPORT_FILE_SELECTED));
+  }
+#endif
+}
+
+void PasswordManagerHandler::ExportPasswordFileSelected(
+    const base::FilePath& path) {
+  ScopedVector<autofill::PasswordForm> password_list =
+      password_manager_presenter_->GetAllPasswords().Pass();
+  UMA_HISTOGRAM_COUNTS("PasswordManager.ExportedPasswordsPerUserInCSV",
+                       password_list.size());
+  password_manager::PasswordExporter::Export(
+      path, password_list.Pass(),
+      content::BrowserThread::GetMessageLoopProxyForThread(
+          content::BrowserThread::FILE).get(),
+      base::Bind(&PasswordManagerHandler::ExportPasswordFileWritten,
+                 base::Unretained(this)));
+}
+
+void PasswordManagerHandler::ExportPasswordFileWritten() {
+  // We do not plan to give any UI feedback for export
+  // at this moment as it will almost always succeed. If the plan changes, this
+  // is the place to put the feedback logic.
+}
+
 }  // namespace options