Options2: Pull the trigger.

chrome/browser/ui/webui/options2/password_manager_handler.cc

+// Copyright (c) 2011 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+#include "chrome/browser/ui/webui/options2/password_manager_handler.h"
+
+#include "base/bind.h"
+#include "base/string_number_conversions.h"
+#include "base/utf_string_conversions.h"
+#include "base/values.h"
+#include "chrome/browser/google/google_util.h"
+#include "chrome/browser/prefs/pref_service.h"
+#include "chrome/browser/profiles/profile.h"
+#include "chrome/common/chrome_notification_types.h"
+#include "chrome/common/pref_names.h"
+#include "chrome/common/url_constants.h"
+#include "content/public/browser/notification_details.h"
+#include "content/public/browser/notification_source.h"
+#include "grit/chromium_strings.h"
+#include "grit/generated_resources.h"
+#include "net/base/net_util.h"
+#include "ui/base/l10n/l10n_util.h"
+#include "webkit/glue/password_form.h"
+
+PasswordManagerHandler::PasswordManagerHandler()
+    : ALLOW_THIS_IN_INITIALIZER_LIST(populater_(this)),
+      ALLOW_THIS_IN_INITIALIZER_LIST(exception_populater_(this)) {
+}
+
+PasswordManagerHandler::~PasswordManagerHandler() {
+  PasswordStore* store = GetPasswordStore();
+  if (store)
+    store->RemoveObserver(this);
+}
+
+void PasswordManagerHandler::GetLocalizedValues(
+    DictionaryValue* localized_strings) {
+  DCHECK(localized_strings);
+
+  static const OptionsStringResource resources[] = {
+    { "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 },
+    { "passwordsSiteColumn",
+      IDS_PASSWORDS_PAGE_VIEW_SITE_COLUMN },
+    { "passwordsUsernameColumn",
+      IDS_PASSWORDS_PAGE_VIEW_USERNAME_COLUMN },
+    { "passwordsRemoveButton",
+      IDS_PASSWORDS_PAGE_VIEW_REMOVE_BUTTON },
+    { "passwordsNoPasswordsDescription",
+     IDS_PASSWORDS_PAGE_VIEW_NO_PASSWORDS_DESCRIPTION },
+    { "passwordsNoExceptionsDescription",
+     IDS_PASSWORDS_PAGE_VIEW_NO_EXCEPTIONS_DESCRIPTION },
+    { "passwordsRemoveAllButton",
+      IDS_PASSWORDS_PAGE_VIEW_REMOVE_ALL_BUTTON },
+    { "passwordsRemoveAllTitle",
+      IDS_PASSWORDS_PAGE_VIEW_CAPTION_DELETE_ALL_PASSWORDS },
+    { "passwordsRemoveAllWarning",
+      IDS_PASSWORDS_PAGE_VIEW_TEXT_DELETE_ALL_PASSWORDS },
+  };
+
+  RegisterStrings(localized_strings, resources, arraysize(resources));
+  RegisterTitle(localized_strings, "passwordsPage",
+                IDS_PASSWORDS_EXCEPTIONS_WINDOW_TITLE);
+
+  localized_strings->SetString("passwordManagerLearnMoreURL",
+      google_util::AppendGoogleLocaleParam(
+          GURL(chrome::kPasswordManagerLearnMoreURL)).spec());
+}
+
+void PasswordManagerHandler::Initialize() {
+  // Due to the way that handlers are (re)initialized under certain types of
+  // navigation, we may already be initialized. (See bugs 88986 and 86448.)
+  // If this is the case, return immediately. This is a hack.
+  // TODO(mdm): remove this hack once it is no longer necessary.
+  if (!show_passwords_.GetPrefName().empty())
+    return;
+
+  show_passwords_.Init(prefs::kPasswordManagerAllowShowPasswords,
+                       Profile::FromWebUI(web_ui_)->GetPrefs(), this);
+  // We should not cache web_ui_->GetProfile(). See crosbug.com/6304.
+  PasswordStore* store = GetPasswordStore();
+  if (store)
+    store->AddObserver(this);
+}
+
+void PasswordManagerHandler::RegisterMessages() {
+  DCHECK(web_ui_);
+
+  web_ui_->RegisterMessageCallback("updatePasswordLists",
+      base::Bind(&PasswordManagerHandler::UpdatePasswordLists,
+                 base::Unretained(this)));
+  web_ui_->RegisterMessageCallback("removeSavedPassword",
+      base::Bind(&PasswordManagerHandler::RemoveSavedPassword,
+                 base::Unretained(this)));
+  web_ui_->RegisterMessageCallback("removePasswordException",
+      base::Bind(&PasswordManagerHandler::RemovePasswordException,
+                 base::Unretained(this)));
+  web_ui_->RegisterMessageCallback("removeAllSavedPasswords",
+      base::Bind(&PasswordManagerHandler::RemoveAllSavedPasswords,
+                 base::Unretained(this)));
+  web_ui_->RegisterMessageCallback("removeAllPasswordExceptions",
+      base::Bind(&PasswordManagerHandler::RemoveAllPasswordExceptions,
+                 base::Unretained(this)));
+}
+
+void PasswordManagerHandler::OnLoginsChanged() {
+  UpdatePasswordLists(NULL);
+}
+
+PasswordStore* PasswordManagerHandler::GetPasswordStore() {
+  return Profile::FromWebUI(web_ui_)->
+      GetPasswordStore(Profile::EXPLICIT_ACCESS);
+}
+
+void PasswordManagerHandler::Observe(
+    int type,
+    const content::NotificationSource& source,
+    const content::NotificationDetails& details) {
+  if (type == chrome::NOTIFICATION_PREF_CHANGED) {
+    std::string* pref_name = content::Details<std::string>(details).ptr();
+    if (*pref_name == prefs::kPasswordManagerAllowShowPasswords) {
+      UpdatePasswordLists(NULL);
+    }
+  }
+
+  OptionsPage2UIHandler::Observe(type, source, details);
+}
+
+void PasswordManagerHandler::UpdatePasswordLists(const ListValue* args) {
+  // Reset the current lists.
+  password_list_.reset();
+  password_exception_list_.reset();
+
+  languages_ = Profile::FromWebUI(web_ui_)->GetPrefs()->
+      GetString(prefs::kAcceptLanguages);
+  populater_.Populate();
+  exception_populater_.Populate();
+}
+
+void PasswordManagerHandler::RemoveSavedPassword(const ListValue* args) {
+  PasswordStore* store = GetPasswordStore();
+  if (!store)
+    return;
+  std::string string_value = UTF16ToUTF8(ExtractStringValue(args));
+  int index;
+  if (base::StringToInt(string_value, &index) && index >= 0 &&
+      static_cast<size_t>(index) < password_list_.size())
+    store->RemoveLogin(*password_list_[index]);
+}
+
+void PasswordManagerHandler::RemovePasswordException(
+    const ListValue* args) {
+  PasswordStore* store = GetPasswordStore();
+  if (!store)
+    return;
+  std::string string_value = UTF16ToUTF8(ExtractStringValue(args));
+  int index;
+  if (base::StringToInt(string_value, &index) && index >= 0 &&
+      static_cast<size_t>(index) < password_exception_list_.size())
+    store->RemoveLogin(*password_exception_list_[index]);
+}
+
+void PasswordManagerHandler::RemoveAllSavedPasswords(
+    const ListValue* args) {
+  // TODO(jhawkins): This will cause a list refresh for every password in the
+  // list. Add PasswordStore::RemoveAllLogins().
+  PasswordStore* store = GetPasswordStore();
+  if (!store)
+    return;
+  for (size_t i = 0; i < password_list_.size(); ++i)
+    store->RemoveLogin(*password_list_[i]);
+}
+
+void PasswordManagerHandler::RemoveAllPasswordExceptions(
+    const ListValue* args) {
+  PasswordStore* store = GetPasswordStore();
+  if (!store)
+    return;
+  for (size_t i = 0; i < password_exception_list_.size(); ++i)
+    store->RemoveLogin(*password_exception_list_[i]);
+}
+
+void PasswordManagerHandler::SetPasswordList() {
+  // Due to the way that handlers are (re)initialized under certain types of
+  // navigation, we may not be initialized yet. (See bugs 88986 and 86448.)
+  // If this is the case, initialize on demand. This is a hack.
+  // TODO(mdm): remove this hack once it is no longer necessary.
+  if (show_passwords_.GetPrefName().empty())
+    Initialize();
+
+  ListValue entries;
+  bool show_passwords = *show_passwords_;
+  string16 empty;
+  for (size_t i = 0; i < password_list_.size(); ++i) {
+    ListValue* entry = new ListValue();
+    entry->Append(new StringValue(net::FormatUrl(password_list_[i]->origin,
+                                                 languages_)));
+    entry->Append(new StringValue(password_list_[i]->username_value));
+    entry->Append(new StringValue(
+        show_passwords ? password_list_[i]->password_value : empty));
+    entries.Append(entry);
+  }
+
+  web_ui_->CallJavascriptFunction("PasswordManager.setSavedPasswordsList",
+                                  entries);
+}
+
+void PasswordManagerHandler::SetPasswordExceptionList() {
+  ListValue entries;
+  for (size_t i = 0; i < password_exception_list_.size(); ++i) {
+    entries.Append(new StringValue(
+        net::FormatUrl(password_exception_list_[i]->origin, languages_)));
+  }
+
+  web_ui_->CallJavascriptFunction("PasswordManager.setPasswordExceptionsList",
+                                  entries);
+}
+
+PasswordManagerHandler::ListPopulater::ListPopulater(
+    PasswordManagerHandler* page)
+    : page_(page),
+      pending_login_query_(0) {
+}
+
+PasswordManagerHandler::ListPopulater::~ListPopulater() {
+}
+
+PasswordManagerHandler::PasswordListPopulater::PasswordListPopulater(
+    PasswordManagerHandler* page) : ListPopulater(page) {
+}
+
+void PasswordManagerHandler::PasswordListPopulater::Populate() {
+  PasswordStore* store = page_->GetPasswordStore();
+  if (store != NULL) {
+    if (pending_login_query_)
+      store->CancelRequest(pending_login_query_);
+
+    pending_login_query_ = store->GetAutofillableLogins(this);
+  } else {
+    LOG(ERROR) << "No password store! Cannot display passwords.";
+  }
+}
+
+void PasswordManagerHandler::PasswordListPopulater::
+    OnPasswordStoreRequestDone(
+        CancelableRequestProvider::Handle handle,
+        const std::vector<webkit_glue::PasswordForm*>& result) {
+  DCHECK_EQ(pending_login_query_, handle);
+  pending_login_query_ = 0;
+  page_->password_list_.reset();
+  page_->password_list_.insert(page_->password_list_.end(),
+                               result.begin(), result.end());
+  page_->SetPasswordList();
+}
+
+PasswordManagerHandler::PasswordExceptionListPopulater::
+    PasswordExceptionListPopulater(PasswordManagerHandler* page)
+        : ListPopulater(page) {
+}
+
+void PasswordManagerHandler::PasswordExceptionListPopulater::Populate() {
+  PasswordStore* store = page_->GetPasswordStore();
+  if (store != NULL) {
+    if (pending_login_query_)
+      store->CancelRequest(pending_login_query_);
+
+    pending_login_query_ = store->GetBlacklistLogins(this);
+  } else {
+    LOG(ERROR) << "No password store! Cannot display exceptions.";
+  }
+}
+
+void PasswordManagerHandler::PasswordExceptionListPopulater::
+    OnPasswordStoreRequestDone(
+        CancelableRequestProvider::Handle handle,
+        const std::vector<webkit_glue::PasswordForm*>& result) {
+  DCHECK_EQ(pending_login_query_, handle);
+  pending_login_query_ = 0;
+  page_->password_exception_list_.reset();
+  page_->password_exception_list_.insert(page_->password_exception_list_.end(),
+                                         result.begin(), result.end());
+  page_->SetPasswordExceptionList();
+}