Import from Chrome

common/BUILD.gn

@@ -4,15 +4,36 @@ source_set("common") {
     "brave_paths.h",
     "common_message_generator.cc",
     "common_message_generator.h",
+    "importer/chrome_importer_utils.cc",
+    "importer/chrome_importer_utils.h",
     "pref_names.cc",
     "pref_names.h",
     "resource_bundle_helper.cc",
     "resource_bundle_helper.h",
     "webui_url_constants.cc",
     "webui_url_constants.h",
   ]
+
   deps = [
     "extensions/api",
     "//brave/chromium_src:common",
   ]
+
+  if (is_mac) {
+    sources += [
+      "importer/chrome_importer_utils_mac.mm",
+    ]
+  }
+
+  if (is_linux) {
+    sources += [
+      "importer/chrome_importer_utils_linux.cc",
+    ]
+  }
+
+  if (is_win) {
+    sources += [
+      "importer/chrome_importer_utils_win.cc",
+    ]
+  }
 }

common/importer/chrome_importer_utils.cc

@@ -0,0 +1,73 @@
+/* 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/common/importer/chrome_importer_utils.h"
+
+#include <memory>
+#include <string>
+
+#include "base/files/file_util.h"
+#include "base/json/json_reader.h"
+#include "base/values.h"
+#include "chrome/common/importer/importer_data_types.h"
+
+base::ListValue* GetChromeSourceProfiles(
+  const base::FilePath& user_data_folder) {
+  base::ListValue* profiles = new base::ListValue();
+  base::FilePath local_state_path =
+    user_data_folder.Append(
+      base::FilePath::StringType(FILE_PATH_LITERAL("Local State")));
+  if (!base::PathExists(local_state_path)) {
+      base::DictionaryValue* entry = new base::DictionaryValue();
+      entry->SetString("id", "Default");
+      entry->SetString("name", "Default");
+      profiles->Append(std::unique_ptr<base::DictionaryValue>(entry));
+  } else {
+    std::string local_state_content;
+    base::ReadFileToString(local_state_path, &local_state_content);
+    std::unique_ptr<base::Value> local_state =
+      base::JSONReader::Read(local_state_content);
+    const base::DictionaryValue* local_state_dict;
+    const base::DictionaryValue* profile_dict;
+    const base::DictionaryValue* info_cache;
+    if (!local_state || !local_state->GetAsDictionary(&local_state_dict))
+      return profiles;
+
+    if (local_state_dict->GetDictionary("profile", &profile_dict)) {
+      if (profile_dict->GetDictionary("info_cache", &info_cache)) {
+        for (base::DictionaryValue::Iterator it(*info_cache);
+             !it.IsAtEnd(); it.Advance()) {
+          const base::DictionaryValue* profile;
+          if (!it.value().GetAsDictionary(&profile))
+            continue;
+          std::string name;
+          profile->GetString("name", &name);
+          base::DictionaryValue* entry = new base::DictionaryValue();
+          entry->SetString("id", it.key());
+          entry->SetString("name", name);
+          profiles->Append(std::unique_ptr<base::DictionaryValue>(entry));
+        }
+      }
+    }
+  }
+  return profiles;
+}
+
+bool ChromeImporterCanImport(const base::FilePath& profile,
+                             uint16_t* services_supported) {
+  DCHECK(services_supported);
+  *services_supported = importer::NONE;
+
+  base::FilePath bookmarks =
+    profile.Append(base::FilePath::StringType(FILE_PATH_LITERAL("Bookmarks")));
+  base::FilePath history =
+    profile.Append(base::FilePath::StringType(FILE_PATH_LITERAL("History")));
+
+  if (base::PathExists(bookmarks))
+    *services_supported |= importer::FAVORITES;
+  if (base::PathExists(history))
+    *services_supported |= importer::HISTORY;
+
+  return *services_supported != importer::NONE;
+}

common/importer/chrome_importer_utils.h

@@ -0,0 +1,30 @@
+/* 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_COMMON_IMPORTER_CHROME_IMPORTER_UTILS_H_
+#define BRAVE_COMMON_IMPORTER_CHROME_IMPORTER_UTILS_H_
+
+#include <stdint.h>
+
+#include <vector>
+
+namespace base {
+class DictionaryValue;
+class FilePath;
+class ListValue;
+}
+
+base::FilePath GetChromeUserDataFolder();
+#if !defined(OS_LINUX)
+base::FilePath GetCanaryUserDataFolder();
+#endif
+base::FilePath GetChromiumUserDataFolder();
+
+base::ListValue* GetChromeSourceProfiles(
+  const base::FilePath& user_data_folder);
+
+bool ChromeImporterCanImport(const base::FilePath& profile,
+                             uint16_t* services_supported);
+
+#endif  // BRAVE_COMMON_IMPORTER_CHROME_IMPORTER_UTILS_H_

common/importer/chrome_importer_utils_linux.cc

@@ -0,0 +1,32 @@
+/* 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/common/importer/chrome_importer_utils.h"
+
+#include "base/base_paths.h"
+#include "base/files/file_path.h"
+#include "base/files/file_util.h"
+#include "base/path_service.h"
+
+base::FilePath GetChromeUserDataFolder() {
+  base::FilePath result;
+  if (!PathService::Get(base::DIR_HOME, &result))
+    return base::FilePath();
+
+  result = result.Append(".config");
+  result = result.Append("google-chrome");
+
+  return result;
+}
+
+base::FilePath GetChromiumUserDataFolder() {
+  base::FilePath result;
+  if (!PathService::Get(base::DIR_HOME, &result))
+    return base::FilePath();
+
+  result = result.Append(".config");
+  result = result.Append("chromium");
+
+  return result;
+}

common/importer/chrome_importer_utils_mac.mm

@@ -0,0 +1,26 @@
+/* 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 <Cocoa/Cocoa.h>
+#include <sys/param.h>
+
+#include "brave/common/importer/chrome_importer_utils.h"
+
+#include "base/files/file_util.h"
+#include "base/mac/foundation_util.h"
+
+base::FilePath GetChromeUserDataFolder() {
+  base::FilePath result = base::mac::GetUserLibraryPath();
+ return result.Append("Application Support/Google/Chrome");
+}
+
+base::FilePath GetCanaryUserDataFolder() {
+  base::FilePath result = base::mac::GetUserLibraryPath();
+ return result.Append("Application Support/Google/Chrome Canary");
+}
+
+base::FilePath GetChromiumUserDataFolder() {
+  base::FilePath result = base::mac::GetUserLibraryPath();
+ return result.Append("Application Support/Chromium");
+}

common/importer/chrome_importer_utils_win.cc

@@ -0,0 +1,44 @@
+/* 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/common/importer/chrome_importer_utils.h"
+
+#include "base/files/file_util.h"
+#include "base/path_service.h"
+#include "base/strings/string16.h"
+
+base::FilePath GetChromeUserDataFolder() {
+  base::FilePath result;
+  if (!PathService::Get(base::DIR_LOCAL_APP_DATA, &result))
+    return base::FilePath();
+
+  result = result.AppendASCII("Google");
+  result = result.AppendASCII("Chrome");
+  result = result.AppendASCII("User Data");
+
+  return result;
+}
+
+base::FilePath GetCanaryUserDataFolder() {
+  base::FilePath result;
+  if (!PathService::Get(base::DIR_LOCAL_APP_DATA, &result))
+    return base::FilePath();
+
+  result = result.AppendASCII("Google");
+  result = result.AppendASCII("Chrome SxS");
+  result = result.AppendASCII("User Data");
+
+  return result;
+}
+
+base::FilePath GetChromiumUserDataFolder() {
+  base::FilePath result;
+  if (!PathService::Get(base::DIR_LOCAL_APP_DATA, &result))
+    return base::FilePath();
+
+  result = result.AppendASCII("Chromium");
+  result = result.AppendASCII("User Data");
+
+  return result;
+}

patches/chrome-browser-importer-importer_list.cc.patch

@@ -0,0 +1,111 @@
+diff --git a/chrome/browser/importer/importer_list.cc b/chrome/browser/importer/importer_list.cc
+index 3bf47fa746e2a417f89201f3e3800d8639f2e323..122e9daf552834db4d41c77a320332305320696b 100644
+--- a/chrome/browser/importer/importer_list.cc
++++ b/chrome/browser/importer/importer_list.cc
+@@ -7,9 +7,12 @@
+ #include <stdint.h>
+
+ #include "base/bind.h"
++#include "base/strings/utf_string_conversions.h"
+ #include "base/task_scheduler/post_task.h"
+ #include "base/task_scheduler/task_traits.h"
+ #include "base/threading/thread_restrictions.h"
++#include "base/values.h"
++#include "brave/common/importer/chrome_importer_utils.h"
+ #include "build/build_config.h"
+ #include "chrome/browser/shell_integration.h"
+ #include "chrome/common/importer/firefox_importer_utils.h"
+@@ -124,6 +127,61 @@ void DetectFirefoxProfiles(const std::string locale,
+   profiles->push_back(firefox);
+ }
+
++void AddChromeToProfiles(std::vector<importer::SourceProfile>* profiles,
++                         base::ListValue* chrome_profiles,
++                         base::FilePath& user_data_folder,
++                         std::string& brand) {
++  for (const auto& value : *chrome_profiles) {
++    const base::DictionaryValue* dict;
++    if (!value.GetAsDictionary(&dict))
++      continue;
++    uint16_t items = importer::NONE;
++    std::string profile;
++    std::string name;
++    dict->GetString("id", &profile);
++    dict->GetString("name", &name);
++    if (!ChromeImporterCanImport(user_data_folder.Append(
++      base::FilePath::StringType(profile.begin(), profile.end())), &items))
++      continue;
++    importer::SourceProfile chrome;
++    std::string importer_name(brand);
++    importer_name.append(name);
++    chrome.importer_name = base::UTF8ToUTF16(importer_name);
++    chrome.importer_type = importer::TYPE_CHROME;
++    chrome.services_supported = items;
++    chrome.source_path =
++      user_data_folder.Append(
++        base::FilePath::StringType(profile.begin(), profile.end()));
++    profiles->push_back(chrome);
++  }
++  delete chrome_profiles;
++}
++
++void DetectChromeProfiles(std::vector<importer::SourceProfile>* profiles) {
++  base::AssertBlockingAllowed();
++
++  base::FilePath chrome_user_data_folder = GetChromeUserDataFolder();
++  base::ListValue* chrome_profiles = GetChromeSourceProfiles(chrome_user_data_folder);
++  std::string brand_chrome("Chrome ");
++  AddChromeToProfiles(profiles, chrome_profiles, chrome_user_data_folder, brand_chrome);
++
++#if !defined(OS_LINUX)
++  base::FilePath canary_user_data_folder = GetCanaryUserDataFolder();
++  base::ListValue* canary_profiles =
++    GetChromeSourceProfiles(canary_user_data_folder);
++  std::string brandCanary("Chrome Canary ");
++  AddChromeToProfiles(profiles, canary_profiles, canary_user_data_folder,
++                      brandCanary);
++#endif
++
++  base::FilePath chromium_user_data_folder = GetChromiumUserDataFolder();
++  base::ListValue* chromium_profiles =
++    GetChromeSourceProfiles(chromium_user_data_folder);
++  std::string brandChromium("Chromium ");
++  AddChromeToProfiles(profiles, chromium_profiles, chromium_user_data_folder,
++                      brandChromium);
++}
++
+ std::vector<importer::SourceProfile> DetectSourceProfilesWorker(
+     const std::string& locale,
+     bool include_interactive_profiles) {
+@@ -137,20 +195,30 @@ std::vector<importer::SourceProfile> DetectSourceProfilesWorker(
+   if (shell_integration::IsFirefoxDefaultBrowser()) {
+     DetectFirefoxProfiles(locale, &profiles);
+     DetectBuiltinWindowsProfiles(&profiles);
++    DetectChromeProfiles(&profiles);
+   } else {
+     DetectBuiltinWindowsProfiles(&profiles);
+     DetectFirefoxProfiles(locale, &profiles);
++    DetectChromeProfiles(&profiles);
+   }
+ #elif defined(OS_MACOSX)
+   if (shell_integration::IsFirefoxDefaultBrowser()) {
+     DetectFirefoxProfiles(locale, &profiles);
+     DetectSafariProfiles(&profiles);
++    DetectChromeProfiles(&profiles);
+   } else {
+     DetectSafariProfiles(&profiles);
+     DetectFirefoxProfiles(locale, &profiles);
++    DetectChromeProfiles(&profiles);
+   }
+ #else
+-  DetectFirefoxProfiles(locale, &profiles);
++  if (shell_integration::IsFirefoxDefaultBrowser()) {
++    DetectFirefoxProfiles(locale, &profiles);
++    DetectChromeProfiles(&profiles);
++  } else {
++    DetectChromeProfiles(&profiles);
++    DetectFirefoxProfiles(locale, &profiles);
++  }
+ #endif
+   if (include_interactive_profiles) {
+     importer::SourceProfile bookmarks_profile;

patches/chrome-browser-importer-importer_uma.cc.patch

@@ -0,0 +1,14 @@
+diff --git a/chrome/browser/importer/importer_uma.cc b/chrome/browser/importer/importer_uma.cc
+index da87e84ffe7c2193ea16d24f1ee1174c51c9503f..261dd432b1759b4e62c5ee2b2b0a6e27a688700d 100644
+--- a/chrome/browser/importer/importer_uma.cc
++++ b/chrome/browser/importer/importer_uma.cc
+@@ -59,6 +59,9 @@ void LogImporterUseToMetrics(const std::string& metric_postfix,
+     case TYPE_BOOKMARKS_FILE:
+       metrics_type = IMPORTER_METRICS_BOOKMARKS_FILE;
+       break;
++    case TYPE_CHROME:
++      // TODO: Wire this up if we want to record metrics on users who import from Chrome
++      break;
+   }
+
+   // Note: This leaks memory, which is the expected behavior as the factory

patches/chrome-browser-importer-in_process_importer_bridge.cc.patch

@@ -0,0 +1,13 @@
+diff --git a/chrome/browser/importer/in_process_importer_bridge.cc b/chrome/browser/importer/in_process_importer_bridge.cc
+index f62c224196bd13af6ed1fb36dccd1eccf15ee4df..8b4a6a94538b17b1177a5f1212205ef9f9843265 100644
+--- a/chrome/browser/importer/in_process_importer_bridge.cc
++++ b/chrome/browser/importer/in_process_importer_bridge.cc
+@@ -60,6 +60,8 @@ history::VisitSource ConvertImporterVisitSourceToHistoryVisitSource(
+       return history::SOURCE_IE_IMPORTED;
+     case importer::VISIT_SOURCE_SAFARI_IMPORTED:
+       return history::SOURCE_SAFARI_IMPORTED;
++    case importer::VISIT_SOURCE_CHROME_IMPORTED:
++      return history::SOURCE_CHROME_IMPORTED;
+   }
+   NOTREACHED();
+   return history::SOURCE_SYNCED;