A private API for the cryptotoken component extension.

chrome/browser/extensions/api/cryptotoken_private/cryptotoken_private_api.cc

+// Copyright 2014 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/extensions/api/cryptotoken_private/cryptotoken_private_api.h"
+
+#include "base/strings/string_number_conversions.h"
+#include "base/strings/utf_string_conversions.h"
+#include "chrome/browser/extensions/api/tabs/tabs_constants.h"
+#include "chrome/browser/extensions/extension_tab_util.h"
+#include "chrome/browser/infobars/infobar_service.h"
+#include "chrome/browser/profiles/profile.h"
+#include "chrome/grit/generated_resources.h"
+#include "components/infobars/core/confirm_infobar_delegate.h"
+#include "components/infobars/core/infobar.h"
+#include "extensions/common/error_utils.h"
+#include "grit/theme_resources.h"
+#include "net/base/registry_controlled_domains/registry_controlled_domain.h"
+#include "ui/base/l10n/l10n_util.h"
+
+namespace extensions {
+namespace api {
+
+namespace {
+
+class CryptotokenPermissionInfoBarDelegate : public ConfirmInfoBarDelegate {
+ public:
+  typedef base::Callback<void(cryptotoken_private::PermissionResult)>
+      InfoBarCallback;
+
+  static void Create(InfoBarService* infobar_service,
+                     const base::string16& message,
+                     const InfoBarCallback& callback) {
+    infobar_service->AddInfoBar(ConfirmInfoBarDelegate::CreateInfoBar(
+        scoped_ptr<ConfirmInfoBarDelegate>(
+            new CryptotokenPermissionInfoBarDelegate(message, callback))));
+  }
+
+ private:
+  CryptotokenPermissionInfoBarDelegate(const base::string16& message,
+                                       const InfoBarCallback& callback)
+      : message_(message), callback_(callback), answered_(false) {}
+
+  ~CryptotokenPermissionInfoBarDelegate() override {
+    if (!answered_)
+      callback_.Run(cryptotoken_private::PERMISSION_RESULT_DISMISSED);
+  }
+
+  // ConfirmInfoBarDelegate:
+  base::string16 GetMessageText() const override { return message_; }
+  base::string16 GetButtonLabel(InfoBarButton button) const override {
+    return l10n_util::GetStringUTF16((button == BUTTON_OK)
+                                         ? IDS_CRYPTOTOKEN_ALLOW_BUTTON
+                                         : IDS_CRYPTOTOKEN_DENY_BUTTON);
+  }
+
+  bool Accept() override {
+    answered_ = true;
+    callback_.Run(cryptotoken_private::PERMISSION_RESULT_ALLOWED);
+    return true;
+  }
+  bool Cancel() override {
+    answered_ = true;
+    callback_.Run(cryptotoken_private::PERMISSION_RESULT_DENIED);
+    return true;
+  }
+
+  // InfoBarDelegate:
+  Type GetInfoBarType() const override { return PAGE_ACTION_TYPE; }
+  int GetIconID() const override { return IDR_INFOBAR_CRYPTOTOKEN; }
+
+  base::string16 message_;
+  InfoBarCallback callback_;
+  bool answered_;
+};
+
+}  // namespace
+
+CryptotokenPrivateRequestPermissionFunction::
+    CryptotokenPrivateRequestPermissionFunction()
+    : chrome_details_(this) {
+}
+
+ExtensionFunction::ResponseAction
+CryptotokenPrivateRequestPermissionFunction::Run() {
+  scoped_ptr<cryptotoken_private::RequestPermission::Params> params =
+      cryptotoken_private::RequestPermission::Params::Create(*args_);
+  EXTENSION_FUNCTION_VALIDATE(params);
+
+  content::WebContents* web_contents = NULL;
+  if (!extensions::ExtensionTabUtil::GetTabById(
+          params->tab_id, chrome_details_.GetProfile(), true, NULL, NULL,
+          &web_contents, NULL)) {
+    return RespondNow(Error(extensions::ErrorUtils::FormatErrorMessage(
+        extensions::tabs_constants::kTabNotFoundError,
+        base::IntToString(params->tab_id))));
+  }
+  DCHECK(web_contents);
+
+  // Fetch the eTLD+1, for display purposes only
+  const GURL origin_url(params->security_origin);
+  if (!origin_url.is_valid()) {
+    return RespondNow(Error(extensions::ErrorUtils::FormatErrorMessage(
+        "Security origin * is not a valid URL", params->security_origin)));
+  }
+  const std::string etldp1 =
+      net::registry_controlled_domains::GetDomainAndRegistry(
+          origin_url,
+          net::registry_controlled_domains::INCLUDE_PRIVATE_REGISTRIES);
+  if (etldp1.empty()) {
+    return RespondNow(Error(extensions::ErrorUtils::FormatErrorMessage(
+        "Could not find an eTLD for origin *", params->security_origin)));
+  }
+
+  CryptotokenPermissionInfoBarDelegate::Create(
+      InfoBarService::FromWebContents(web_contents),
+      l10n_util::GetStringFUTF16(IDS_CRYPTOTOKEN_INFOBAR_QUESTION,
+                                 base::UTF8ToUTF16(etldp1)),
+      base::Bind(
+          &CryptotokenPrivateRequestPermissionFunction::OnInfobarResponse,
+          this));
+
+  return RespondLater();
+}
+
+void CryptotokenPrivateRequestPermissionFunction::OnInfobarResponse(
+    cryptotoken_private::PermissionResult result) {
+  Respond(ArgumentList(
+      cryptotoken_private::RequestPermission::Results::Create(result)));
+}
+
+}  // namespace api
+}  // namespace extensions