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cef/libcef/browser/prefs/browser_prefs.cc
Marshall Greenblatt ba0e1b5719 Add NetworkService support for CefURLRequest (see issue #2622). 
Requests created using CefURLRequest::Create are not associated with a
browser/frame. When originating from the render process these requests cannot be
intercepted and consequently only http(s) and blob requests are supported. To
work around this limitation a new CefFrame::CreateURLRequest method has been
added that allows the request to be associated with that browser/frame for
interception purposes.

This change also fixes an issue with the NetworkService implementation where
redirected requests could result in two parallel requests being sent to the
target server.

To test: URLRequestTest.* tests pass with NetworkService enabled.
2019-05-17 21:42:25 +03:00

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// Copyright (c) 2013 The Chromium Embedded Framework 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 "libcef/browser/prefs/browser_prefs.h"
#include "libcef/browser/browser_context.h"
#include "libcef/browser/media_capture_devices_dispatcher.h"
#include "libcef/browser/net/url_request_context_getter.h"
#include "libcef/browser/prefs/pref_store.h"
#include "libcef/browser/prefs/renderer_prefs.h"
#include "libcef/common/cef_switches.h"
#include "base/command_line.h"
#include "base/files/file_path.h"
#include "base/strings/string_number_conversions.h"
#include "base/task/post_task.h"
#include "base/values.h"
#include "chrome/browser/accessibility/accessibility_ui.h"
#include "chrome/browser/net/prediction_options.h"
#include "chrome/browser/net/profile_network_context_service.h"
#include "chrome/browser/net/system_network_context_manager.h"
#include "chrome/browser/plugins/plugin_info_host_impl.h"
#include "chrome/browser/prefs/chrome_command_line_pref_store.h"
#include "chrome/browser/renderer_host/pepper/device_id_fetcher.h"
#include "chrome/browser/ssl/ssl_config_service_manager.h"
#include "chrome/browser/supervised_user/supervised_user_pref_store.h"
#include "chrome/browser/supervised_user/supervised_user_settings_service.h"
#include "chrome/browser/supervised_user/supervised_user_settings_service_factory.h"
#include "chrome/browser/themes/theme_service.h"
#include "chrome/common/chrome_switches.h"
#include "chrome/common/pref_names.h"
#include "chrome/grit/locale_settings.h"
#include "components/certificate_transparency/pref_names.h"
#include "components/content_settings/core/browser/cookie_settings.h"
#include "components/content_settings/core/browser/host_content_settings_map.h"
#include "components/google/core/browser/google_url_tracker.h"
#include "components/keyed_service/content/browser_context_dependency_manager.h"
#include "components/language/core/browser/language_prefs.h"
#include "components/language/core/browser/pref_names.h"
#include "components/pref_registry/pref_registry_syncable.h"
#include "components/prefs/json_pref_store.h"
#include "components/prefs/pref_filter.h"
#include "components/prefs/pref_registry_simple.h"
#include "components/prefs/pref_service.h"
#include "components/proxy_config/pref_proxy_config_tracker_impl.h"
#include "components/proxy_config/proxy_config_dictionary.h"
#include "components/spellcheck/browser/pref_names.h"
#include "components/sync_preferences/pref_service_syncable.h"
#include "components/sync_preferences/pref_service_syncable_factory.h"
#include "components/update_client/update_client.h"
#include "content/public/browser/browser_thread.h"
#include "extensions/browser/extension_prefs.h"
#include "extensions/buildflags/buildflags.h"
#include "ui/base/l10n/l10n_util.h"
#if defined(OS_MACOSX)
#include "components/os_crypt/os_crypt.h"
#endif
namespace browser_prefs {
namespace {
std::string GetAcceptLanguageList(Profile* profile) {
const CefRequestContextSettings& context_settings =
static_cast<CefBrowserContext*>(profile)->GetSettings();
if (context_settings.accept_language_list.length > 0) {
return CefString(&context_settings.accept_language_list);
}
return std::string();
}
} // namespace
const char kUserPrefsFileName[] = "UserPrefs.json";
std::unique_ptr<PrefService> CreatePrefService(Profile* profile,
const base::FilePath& cache_path,
bool persist_user_preferences) {
const base::CommandLine* command_line =
base::CommandLine::ForCurrentProcess();
// Use of PrefServiceSyncable is required by Chrome code such as
// HostContentSettingsMapFactory that calls PrefServiceSyncableFromProfile.
sync_preferences::PrefServiceSyncableFactory factory;
// Used to store command-line preferences, most of which will be evaluated in
// the CommandLinePrefStore constructor. Preferences set in this manner cannot
// be overridden by the user.
scoped_refptr<ChromeCommandLinePrefStore> command_line_pref_store(
new ChromeCommandLinePrefStore(command_line));
renderer_prefs::SetCommandLinePrefDefaults(command_line_pref_store.get());
factory.set_command_line_prefs(command_line_pref_store);
// True if preferences will be stored on disk.
const bool store_on_disk = !cache_path.empty() && persist_user_preferences;
scoped_refptr<base::SequencedTaskRunner> sequenced_task_runner;
if (store_on_disk) {
// Get sequenced task runner for making sure that file operations are
// executed in expected order (what was previously assured by the FILE
// thread).
sequenced_task_runner = base::CreateSequencedTaskRunnerWithTraits(
{base::MayBlock(), base::TaskShutdownBehavior::BLOCK_SHUTDOWN});
}
// Used to store user preferences.
scoped_refptr<PersistentPrefStore> user_pref_store;
if (store_on_disk) {
const base::FilePath& pref_path =
cache_path.AppendASCII(browser_prefs::kUserPrefsFileName);
scoped_refptr<JsonPrefStore> json_pref_store = new JsonPrefStore(
pref_path, std::unique_ptr<PrefFilter>(), sequenced_task_runner);
factory.set_user_prefs(json_pref_store.get());
} else {
scoped_refptr<CefPrefStore> cef_pref_store = new CefPrefStore();
cef_pref_store->SetInitializationCompleted();
factory.set_user_prefs(cef_pref_store.get());
}
#if BUILDFLAG(ENABLE_SUPERVISED_USERS)
if (profile) {
// Used to store supervised user preferences.
SupervisedUserSettingsService* supervised_user_settings =
SupervisedUserSettingsServiceFactory::GetForProfile(profile);
if (store_on_disk) {
supervised_user_settings->Init(cache_path, sequenced_task_runner.get(),
true);
} else {
scoped_refptr<CefPrefStore> cef_pref_store = new CefPrefStore();
cef_pref_store->SetInitializationCompleted();
supervised_user_settings->Init(cef_pref_store);
}
scoped_refptr<PrefStore> supervised_user_prefs =
base::MakeRefCounted<SupervisedUserPrefStore>(supervised_user_settings);
DCHECK(supervised_user_prefs->IsInitializationComplete());
factory.set_supervised_user_prefs(supervised_user_prefs);
}
#endif // BUILDFLAG(ENABLE_SUPERVISED_USERS)
// Registry that will be populated with all known preferences. Preferences
// are registered with default values that may be changed via a *PrefStore.
scoped_refptr<user_prefs::PrefRegistrySyncable> registry(
new user_prefs::PrefRegistrySyncable());
// Some preferences are specific to CEF and others are defined in Chromium.
// The preferred approach for registering preferences defined in Chromium is
// as follows:
//
// 1. If a non-static RegisterProfilePrefs() method exists in a *Factory
// class then add a *Factory::GetInstance() call in
// EnsureBrowserContextKeyedServiceFactoriesBuilt().
// 2. If a static RegisterPrefs() method exists then call that method in the
// "Default preferences" section below.
// 3. If the default values are not appropriate but the set of registered
// preferences is otherwise fine then change the defaults by calling
// SetDefaultPrefValue after calling the existing registration method.
// 4. If the original registration method contains many unused preferences or
// otherwise inappropiate logic (e.g. calls to objects that CEF doesn't
// use) then register the preferences directly instead of calling the
// existing registration method.
// Default preferences.
CefMediaCaptureDevicesDispatcher::RegisterPrefs(registry.get());
certificate_transparency::prefs::RegisterPrefs(registry.get());
PluginInfoHostImpl::RegisterUserPrefs(registry.get());
PrefProxyConfigTrackerImpl::RegisterPrefs(registry.get());
SSLConfigServiceManager::RegisterPrefs(registry.get());
update_client::RegisterPrefs(registry.get());
if (!command_line->HasSwitch(switches::kEnableNetworkService)) {
CefURLRequestContextGetter::RegisterPrefs(registry.get());
} else if (!profile) {
SystemNetworkContextManager::RegisterPrefs(registry.get());
#if defined(OS_MACOSX)
OSCrypt::RegisterLocalPrefs(registry.get());
#endif
}
// Browser UI preferences.
// Based on chrome/browser/ui/browser_ui_prefs.cc RegisterBrowserPrefs.
registry->RegisterBooleanPref(prefs::kAllowFileSelectionDialogs, true);
if (command_line->HasSwitch(switches::kEnablePreferenceTesting)) {
// Preferences used with unit tests.
registry->RegisterBooleanPref("test.bool", true);
registry->RegisterIntegerPref("test.int", 2);
registry->RegisterDoublePref("test.double", 5.0);
registry->RegisterStringPref("test.string", "default");
registry->RegisterListPref("test.list");
registry->RegisterDictionaryPref("test.dict");
}
if (profile) {
// Call RegisterProfilePrefs() for all services listed by
// EnsureBrowserContextKeyedServiceFactoriesBuilt().
BrowserContextDependencyManager::GetInstance()
->RegisterProfilePrefsForServices(registry.get());
// Default profile preferences.
AccessibilityUIMessageHandler::RegisterProfilePrefs(registry.get());
chrome_browser_net::RegisterPredictionOptionsProfilePrefs(registry.get());
DeviceIDFetcher::RegisterProfilePrefs(registry.get());
extensions::ExtensionPrefs::RegisterProfilePrefs(registry.get());
GoogleURLTracker::RegisterProfilePrefs(registry.get());
HostContentSettingsMap::RegisterProfilePrefs(registry.get());
language::LanguagePrefs::RegisterProfilePrefs(registry.get());
ProfileNetworkContextService::RegisterProfilePrefs(registry.get());
renderer_prefs::RegisterProfilePrefs(registry.get());
// Print preferences.
// Based on ProfileImpl::RegisterProfilePrefs.
registry->RegisterBooleanPref(prefs::kPrintingEnabled, true);
// Cache preferences.
// Based on ProfileImpl::RegisterProfilePrefs.
registry->RegisterFilePathPref(prefs::kDiskCacheDir, cache_path);
registry->RegisterIntegerPref(prefs::kDiskCacheSize, 0);
registry->RegisterIntegerPref(prefs::kMediaCacheSize, 0);
// Spell checking preferences.
// Modify defaults from SpellcheckServiceFactory::RegisterProfilePrefs.
std::string spellcheck_lang =
command_line->GetSwitchValueASCII(switches::kOverrideSpellCheckLang);
if (!spellcheck_lang.empty()) {
registry->SetDefaultPrefValue(spellcheck::prefs::kSpellCheckDictionary,
base::Value(spellcheck_lang));
}
const bool enable_spelling_service_ =
command_line->HasSwitch(switches::kEnableSpellingService);
registry->SetDefaultPrefValue(
spellcheck::prefs::kSpellCheckUseSpellingService,
base::Value(enable_spelling_service_));
registry->SetDefaultPrefValue(spellcheck::prefs::kSpellCheckEnable,
base::Value(!enable_spelling_service_));
// Pepper flash preferences.
// Modify defaults from DeviceIDFetcher::RegisterProfilePrefs.
registry->SetDefaultPrefValue(prefs::kEnableDRM, base::Value(false));
// DevTools preferences.
// Based on DevToolsWindow::RegisterProfilePrefs.
registry->RegisterDictionaryPref(prefs::kDevToolsPreferences);
registry->RegisterDictionaryPref(prefs::kDevToolsEditedFiles);
// Language preferences. Used by ProfileNetworkContextService and
// InterceptedRequestHandlerWrapper.
const std::string& accept_language_list = GetAcceptLanguageList(profile);
if (!accept_language_list.empty()) {
registry->SetDefaultPrefValue(language::prefs::kAcceptLanguages,
base::Value(accept_language_list));
}
}
// Build the PrefService that manages the PrefRegistry and PrefStores.
return factory.CreateSyncable(registry.get());
}
} // namespace browser_prefs
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