Add dapp detection

app/brave_generated_resources.grd

@@ -163,6 +163,9 @@
       <message name="IDS_WIDEVINE_PERMISSION_REQUEST_TEXT_FRAGMENT" desc="Text fragment for Widevine permission request. 'Widevine' is the name of a plugin and should not be translated.">
           Install and run Widevine
       </message>
+      <message name="IDS_WALLET_PERMISSION_REQUEST_TEXT_FRAGMENT" desc="Text fragment for wallet installation permission request.">
+          Install Crypto Wallets
+      </message>
       <if expr="is_linux">
         <message name="IDS_WIDEVINE_PERMISSION_REQUEST_TEXT_FRAGMENT_INSTALL" desc="Text fragment for Widevine permission request. 'Widevine' is the name of a plugin and should not be translated.">
           Install Widevine

browser/BUILD.gn

@@ -1,6 +1,7 @@
 import("//brave/build/config.gni")
 import("//brave/browser/tor/buildflags/buildflags.gni")
 import("//brave/components/brave_ads/browser/buildflags/buildflags.gni")
+import("//brave/components/brave_wallet/browser/buildflags/buildflags.gni")
 import("//brave/components/brave_webtorrent/browser/buildflags/buildflags.gni")
 import("//build/buildflag_header.gni")
 import("//build/config/features.gni")
@@ -154,6 +155,15 @@ source_set("browser_process") {
     ]
   }
 
+  if (brave_wallet_enabled) {
+    sources += [
+      "brave_wallet/brave_wallet_utils.cc",
+      "brave_wallet/brave_wallet_utils.h",
+      "brave_wallet/wallet_installation_permission_request.cc",
+      "brave_wallet/wallet_installation_permission_request.h",
+    ]
+  }
+
   if (enable_tor) {
     deps += [
       "//brave/components/services/tor/public/cpp:manifest",

browser/brave_wallet/brave_wallet_utils.cc

@@ -0,0 +1,31 @@
+/* Copyright (c) 2019 The Brave Authors. All rights reserved.
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this file,
+ * You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+#include "brave/browser/brave_wallet/brave_wallet_utils.h"
+
+#include "base/callback.h"
+#include "brave/browser/brave_wallet/wallet_installation_permission_request.h"
+#include "brave/common/pref_names.h"
+#include "chrome/browser/permissions/permission_request_manager.h"
+#include "chrome/browser/profiles/profile.h"
+#include "components/prefs/pref_service.h"
+
+namespace {
+base::Closure g_quit_closure_for_test;
+}  // namespace
+
+void RequestWalletInstallationPermission(content::WebContents* web_contents) {
+  DCHECK(web_contents);
+
+  if (g_quit_closure_for_test)
+    g_quit_closure_for_test.Run();
+
+  PermissionRequestManager::FromWebContents(web_contents)->AddRequest(
+      new WalletInstallationPermissionRequest(web_contents));
+}
+
+void SetQuitClosureForDappDetectionTest(const base::Closure& quit_closure) {
+  g_quit_closure_for_test = quit_closure;
+}

browser/brave_wallet/brave_wallet_utils.h

@@ -0,0 +1,20 @@
+/* Copyright (c) 2019 The Brave Authors. All rights reserved.
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this file,
+ * You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+#ifndef BRAVE_BROWSER_BRAVE_WALLET_BRAVE_WALLET_UTILS_H_
+#define BRAVE_BROWSER_BRAVE_WALLET_BRAVE_WALLET_UTILS_H_
+
+#include "base/callback_forward.h"
+
+namespace content {
+class BrowserContext;
+class WebContents;
+}  // content
+
+void RequestWalletInstallationPermission(content::WebContents* web_contents);
+
+void SetQuitClosureForDappDetectionTest(const base::Closure& quit_closure);
+
+#endif  // BRAVE_BROWSER_BRAVE_WALLET_BRAVE_WALLET_UTILS_H_

browser/brave_wallet/wallet_installation_permission_request.cc

@@ -0,0 +1,59 @@
+/* Copyright (c) 2019 The Brave Authors. All rights reserved.
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this file,
+ * You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+#include "brave/browser/brave_wallet/wallet_installation_permission_request.h"
+
+#include "brave/browser/ui/brave_pages.h"
+#include "brave/grit/brave_generated_resources.h"
+#include "chrome/app/vector_icons/vector_icons.h"
+#include "chrome/browser/ui/browser_finder.h"
+#include "content/public/browser/web_contents.h"
+#include "ui/base/l10n/l10n_util.h"
+#include "url/gurl.h"
+
+WalletInstallationPermissionRequest::WalletInstallationPermissionRequest(
+    content::WebContents* web_contents)
+    : web_contents_(web_contents) {
+}
+
+WalletInstallationPermissionRequest::~WalletInstallationPermissionRequest() {
+}
+
+PermissionRequest::IconId
+WalletInstallationPermissionRequest::GetIconId() const {
+  return kExtensionIcon;
+}
+
+base::string16
+WalletInstallationPermissionRequest::GetMessageTextFragment() const {
+  return l10n_util::GetStringUTF16(
+      IDS_WALLET_PERMISSION_REQUEST_TEXT_FRAGMENT);
+}
+
+GURL WalletInstallationPermissionRequest::GetOrigin() const {
+  return web_contents_->GetVisibleURL();
+}
+
+void WalletInstallationPermissionRequest::PermissionGranted() {
+  Browser* browser = chrome::FindBrowserWithWebContents(web_contents_);
+  brave::ShowBraveWallet(browser);
+}
+
+void WalletInstallationPermissionRequest::PermissionDenied() {
+  // Do nothing.
+}
+
+void WalletInstallationPermissionRequest::Cancelled() {
+  // Do nothing.
+}
+
+void WalletInstallationPermissionRequest::RequestFinished() {
+  delete this;
+}
+
+PermissionRequestType
+WalletInstallationPermissionRequest::GetPermissionRequestType() const {
+  return PermissionRequestType::PERMISSION_WALLET;
+}

browser/brave_wallet/wallet_installation_permission_request.h

@@ -0,0 +1,41 @@
+/* Copyright (c) 2019 The Brave Authors. All rights reserved.
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this file,
+ * You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+#ifndef BRAVE_BROWSER_BRAVE_WALLET_WALLET_INSTALLATION_PERMISSION_REQUEST_H_
+#define BRAVE_BROWSER_BRAVE_WALLET_WALLET_INSTALLATION_PERMISSION_REQUEST_H_
+
+#include "chrome/browser/permissions/permission_request.h"
+
+namespace content {
+class WebContents;
+}
+
+class GURL;
+
+class WalletInstallationPermissionRequest : public PermissionRequest {
+ public:
+  explicit WalletInstallationPermissionRequest(
+      content::WebContents* web_contents);
+  ~WalletInstallationPermissionRequest() override;
+
+ private:
+  // PermissionRequest overrides:
+  PermissionRequest::IconId GetIconId() const override;
+  base::string16 GetMessageTextFragment() const override;
+  GURL GetOrigin() const override;
+  void PermissionGranted() override;
+  void PermissionDenied() override;
+  void Cancelled() override;
+  void RequestFinished() override;
+  PermissionRequestType GetPermissionRequestType() const override;
+
+  // It's safe to use this raw |web_contents_| because this request is deleted
+  // by PermissionManager that is tied with this |web_contents_|.
+  content::WebContents* web_contents_;
+
+  DISALLOW_COPY_AND_ASSIGN(WalletInstallationPermissionRequest);
+};
+
+#endif  // BRAVE_BROWSER_BRAVE_WALLET_WALLET_INSTALLATION_PERMISSION_REQUEST_H_

browser/extensions/BUILD.gn

@@ -43,6 +43,8 @@ source_set("extensions") {
 
   if (brave_wallet_enabled) {
     sources += [
+      "api/brave_wallet_api.cc",
+      "api/brave_wallet_api.h",
       "brave_wallet_navigation_throttle.cc",
       "brave_wallet_navigation_throttle.h",
     ]

browser/extensions/api/brave_shields_api.h

@@ -1,4 +1,5 @@
-/* This Source Code Form is subject to the terms of the Mozilla Public
+/* Copyright (c) 2019 The Brave Authors. All rights reserved.
+ * This Source Code Form is subject to the terms of the Mozilla Public
  * License, v. 2.0. If a copy of the MPL was not distributed with this file,
  * You can obtain one at http://mozilla.org/MPL/2.0/. */
 

browser/extensions/api/brave_shields_api_browsertest.cc

@@ -1,4 +1,5 @@
-/* This Source Code Form is subject to the terms of the Mozilla Public
+/* Copyright (c) 2019 The Brave Authors. All rights reserved.
+ * This Source Code Form is subject to the terms of the Mozilla Public
  * License, v. 2.0. If a copy of the MPL was not distributed with this file,
  * You can obtain one at http://mozilla.org/MPL/2.0/. */
 
@@ -35,74 +36,74 @@ using extension_function_test_utils::RunFunctionAndReturnError;
 using extension_function_test_utils::RunFunctionAndReturnSingleResult;
 
 class BraveShieldsAPIBrowserTest : public InProcessBrowserTest {
-  public:
-    void SetUpOnMainThread() override {
-      InProcessBrowserTest::SetUpOnMainThread();
-      host_resolver()->AddRule("*", "127.0.0.1");
-      content::SetupCrossSiteRedirector(embedded_test_server());
-
-      brave::RegisterPathProvider();
-      base::FilePath test_data_dir;
-      base::PathService::Get(brave::DIR_TEST_DATA, &test_data_dir);
-      embedded_test_server()->ServeFilesFromDirectory(test_data_dir);
-
-      ASSERT_TRUE(embedded_test_server()->Start());
-      extension_ = extensions::ExtensionBuilder("Test").Build();
-      content_settings_ =
-          HostContentSettingsMapFactory::GetForProfile(browser()->profile());
-    }
-
-    content::WebContents* active_contents() {
-      return browser()->tab_strip_model()->GetActiveWebContents();
-    }
-
-    scoped_refptr<const extensions::Extension> extension() {
-      return extension_;
-    }
-
-    HostContentSettingsMap* content_settings() const {
-      return content_settings_;
-    }
-
-    void BlockScripts() {
-      content_settings_->SetContentSettingCustomScope(
-          ContentSettingsPattern::Wildcard(), ContentSettingsPattern::Wildcard(),
-          CONTENT_SETTINGS_TYPE_JAVASCRIPT, "", CONTENT_SETTING_BLOCK);
-    }
-
-    bool NavigateToURLUntilLoadStop(
-        const std::string& origin, const std::string& path) {
-      ui_test_utils::NavigateToURL(
-          browser(),
-          embedded_test_server()->GetURL(origin, path));
-
-      return WaitForLoadStop(active_contents());
-    }
-
-    void AllowScriptOriginOnce(const std::string& origin) {
-      // run extension function to temporarily allow origin
-      scoped_refptr<BraveShieldsAllowScriptsOnceFunction> function(
-          new BraveShieldsAllowScriptsOnceFunction());
-      function->set_extension(extension().get());
-      function->set_has_callback(true);
-
-      const GURL url(embedded_test_server()->GetURL(origin, "/simple.js"));
-      const std::string allow_origin = url.GetOrigin().spec();
-      int tabId = extensions::ExtensionTabUtil::GetTabId(active_contents());
-
-      RunFunctionAndReturnSingleResult(
-          function.get(),
-          "[[\"" + allow_origin + "\"], " + std::to_string(tabId) + "]",
-          browser());
-
-      // reload page with a.com temporarily allowed
-      active_contents()->GetController().Reload(content::ReloadType::NORMAL,
-          true);
-    }
-
-  private:
-    HostContentSettingsMap* content_settings_;
-    scoped_refptr<const extensions::Extension> extension_;
+ public:
+  void SetUpOnMainThread() override {
+    InProcessBrowserTest::SetUpOnMainThread();
+    host_resolver()->AddRule("*", "127.0.0.1");
+    content::SetupCrossSiteRedirector(embedded_test_server());
+
+    brave::RegisterPathProvider();
+    base::FilePath test_data_dir;
+    base::PathService::Get(brave::DIR_TEST_DATA, &test_data_dir);
+    embedded_test_server()->ServeFilesFromDirectory(test_data_dir);
+
+    ASSERT_TRUE(embedded_test_server()->Start());
+    extension_ = extensions::ExtensionBuilder("Test").Build();
+    content_settings_ =
+        HostContentSettingsMapFactory::GetForProfile(browser()->profile());
+  }
+
+  content::WebContents* active_contents() {
+    return browser()->tab_strip_model()->GetActiveWebContents();
+  }
+
+  scoped_refptr<const extensions::Extension> extension() {
+    return extension_;
+  }
+
+  HostContentSettingsMap* content_settings() const {
+    return content_settings_;
+  }
+
+  void BlockScripts() {
+    content_settings_->SetContentSettingCustomScope(
+        ContentSettingsPattern::Wildcard(), ContentSettingsPattern::Wildcard(),
+        CONTENT_SETTINGS_TYPE_JAVASCRIPT, "", CONTENT_SETTING_BLOCK);
+  }
+
+  bool NavigateToURLUntilLoadStop(
+      const std::string& origin, const std::string& path) {
+    ui_test_utils::NavigateToURL(
+        browser(),
+        embedded_test_server()->GetURL(origin, path));
+
+    return WaitForLoadStop(active_contents());
+  }
+
+  void AllowScriptOriginOnce(const std::string& origin) {
+    // run extension function to temporarily allow origin
+    scoped_refptr<BraveShieldsAllowScriptsOnceFunction> function(
+        new BraveShieldsAllowScriptsOnceFunction());
+    function->set_extension(extension().get());
+    function->set_has_callback(true);
+
+    const GURL url(embedded_test_server()->GetURL(origin, "/simple.js"));
+    const std::string allow_origin = url.GetOrigin().spec();
+    int tabId = extensions::ExtensionTabUtil::GetTabId(active_contents());
+
+    RunFunctionAndReturnSingleResult(
+        function.get(),
+        "[[\"" + allow_origin + "\"], " + std::to_string(tabId) + "]",
+        browser());
+
+    // reload page with a.com temporarily allowed
+    active_contents()->GetController().Reload(content::ReloadType::NORMAL,
+        true);
+  }
+
+ private:
+  HostContentSettingsMap* content_settings_;
+  scoped_refptr<const extensions::Extension> extension_;
 };
 
 IN_PROC_BROWSER_TEST_F(BraveShieldsAPIBrowserTest, AllowScriptsOnce) {
@@ -129,7 +130,8 @@ IN_PROC_BROWSER_TEST_F(BraveShieldsAPIBrowserTest, AllowScriptsOnce) {
   // same doc navigation
   ui_test_utils::NavigateToURL(
       browser(),
-      embedded_test_server()->GetURL("a.com", "/load_js_from_origins.html#foo"));
+      embedded_test_server()->GetURL("a.com",
+                                     "/load_js_from_origins.html#foo"));
   EXPECT_TRUE(WaitForLoadStop(active_contents()));
   EXPECT_EQ(active_contents()->GetAllFrames().size(), 2u) <<
     "Scripts from a.com should be temporarily allowed for same doc navigation.";