blob: ffc78361b9367d05341716e178bde448d1e0567b [file] [log] [blame]
// Copyright (c) 2012 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/chrome_content_browser_client.h"
#include <iterator>
#include <map>
#include <memory>
#include <set>
#include <utility>
#include <vector>
#include "base/base_switches.h"
#include "base/bind.h"
#include "base/command_line.h"
#include "base/i18n/base_i18n_switches.h"
#include "base/i18n/character_encoding.h"
#include "base/macros.h"
#include "base/metrics/field_trial_params.h"
#include "base/metrics/histogram_macros.h"
#include "base/no_destructor.h"
#include "base/path_service.h"
#include "base/strings/strcat.h"
#include "base/strings/string_number_conversions.h"
#include "base/strings/string_split.h"
#include "base/strings/string_util.h"
#include "base/strings/stringprintf.h"
#include "build/build_config.h"
#include "build/chromeos_buildflags.h"
#include "chrome/browser/accessibility/accessibility_labels_service.h"
#include "chrome/browser/accessibility/accessibility_labels_service_factory.h"
#include "chrome/browser/after_startup_task_utils.h"
#include "chrome/browser/bluetooth/chrome_bluetooth_delegate_impl_client.h"
#include "chrome/browser/browser_about_handler.h"
#include "chrome/browser/browser_process.h"
#include "chrome/browser/captive_portal/captive_portal_service_factory.h"
#include "chrome/browser/chrome_content_browser_client_binder_policies.h"
#include "chrome/browser/chrome_content_browser_client_parts.h"
#include "chrome/browser/content_settings/cookie_settings_factory.h"
#include "chrome/browser/content_settings/host_content_settings_map_factory.h"
#include "chrome/browser/custom_handlers/protocol_handler_registry.h"
#include "chrome/browser/custom_handlers/protocol_handler_registry_factory.h"
#include "chrome/browser/data_use_measurement/chrome_data_use_measurement.h"
#include "chrome/browser/defaults.h"
#include "chrome/browser/device_api/device_service_impl.h"
#include "chrome/browser/device_api/managed_configuration_service.h"
#include "chrome/browser/download/chrome_download_manager_delegate.h"
#include "chrome/browser/download/download_prefs.h"
#include "chrome/browser/enterprise/connectors/connectors_service.h"
#include "chrome/browser/enterprise/util/managed_browser_utils.h"
#include "chrome/browser/extensions/chrome_extension_cookies.h"
#include "chrome/browser/external_protocol/external_protocol_handler.h"
#include "chrome/browser/favicon/favicon_utils.h"
#include "chrome/browser/federated_learning/floc_eligibility_observer.h"
#include "chrome/browser/federated_learning/floc_id_provider.h"
#include "chrome/browser/federated_learning/floc_id_provider_factory.h"
#include "chrome/browser/font_access/chrome_font_access_delegate.h"
#include "chrome/browser/font_family_cache.h"
#include "chrome/browser/gpu/chrome_browser_main_extra_parts_gpu.h"
#include "chrome/browser/hid/chrome_hid_delegate.h"
#include "chrome/browser/interstitials/enterprise_util.h"
#include "chrome/browser/lifetime/browser_shutdown.h"
#include "chrome/browser/lookalikes/lookalike_url_navigation_throttle.h"
#include "chrome/browser/media/audio_service_util.h"
#include "chrome/browser/media/router/media_router_feature.h"
#include "chrome/browser/media/webrtc/audio_debug_recordings_handler.h"
#include "chrome/browser/media/webrtc/media_capture_devices_dispatcher.h"
#include "chrome/browser/media/webrtc/webrtc_logging_controller.h"
#include "chrome/browser/memory/chrome_browser_main_extra_parts_memory.h"
#include "chrome/browser/metrics/chrome_browser_main_extra_parts_metrics.h"
#include "chrome/browser/metrics/chrome_feature_list_creator.h"
#include "chrome/browser/net/chrome_network_delegate.h"
#include "chrome/browser/net/profile_network_context_service.h"
#include "chrome/browser/net/profile_network_context_service_factory.h"
#include "chrome/browser/net/system_network_context_manager.h"
#include "chrome/browser/notifications/platform_notification_service_factory.h"
#include "chrome/browser/notifications/platform_notification_service_impl.h"
#include "chrome/browser/payments/payment_request_display_manager_factory.h"
#include "chrome/browser/performance_manager/chrome_browser_main_extra_parts_performance_manager.h"
#include "chrome/browser/performance_manager/chrome_content_browser_client_performance_manager_part.h"
#include "chrome/browser/performance_monitor/chrome_browser_main_extra_parts_performance_monitor.h"
#include "chrome/browser/plugins/pdf_iframe_navigation_throttle.h"
#include "chrome/browser/plugins/plugin_utils.h"
#include "chrome/browser/policy/profile_policy_connector.h"
#include "chrome/browser/prefetch/no_state_prefetch/chrome_no_state_prefetch_contents_delegate.h"
#include "chrome/browser/prefetch/no_state_prefetch/no_state_prefetch_manager_factory.h"
#include "chrome/browser/prefetch/no_state_prefetch/no_state_prefetch_navigation_throttle.h"
#include "chrome/browser/prefetch/prefetch_proxy/chrome_speculation_host_delegate.h"
#include "chrome/browser/prefetch/prefetch_proxy/prefetch_proxy_features.h"
#include "chrome/browser/prefetch/prefetch_proxy/prefetch_proxy_service.h"
#include "chrome/browser/prefetch/prefetch_proxy/prefetch_proxy_service_factory.h"
#include "chrome/browser/prefetch/prefetch_proxy/prefetch_proxy_url_loader_interceptor.h"
#include "chrome/browser/prefetch/search_prefetch/field_trial_settings.h"
#include "chrome/browser/prefetch/search_prefetch/search_prefetch_url_loader.h"
#include "chrome/browser/prefetch/search_prefetch/search_prefetch_url_loader_interceptor.h"
#include "chrome/browser/privacy_sandbox/privacy_sandbox_settings.h"
#include "chrome/browser/privacy_sandbox/privacy_sandbox_settings_factory.h"
#include "chrome/browser/profiles/chrome_browser_main_extra_parts_profiles.h"
#include "chrome/browser/profiles/profile.h"
#include "chrome/browser/profiles/profile_io_data.h"
#include "chrome/browser/profiles/profile_manager.h"
#include "chrome/browser/profiles/renderer_updater.h"
#include "chrome/browser/profiles/renderer_updater_factory.h"
#include "chrome/browser/profiling_host/chrome_browser_main_extra_parts_profiling.h"
#include "chrome/browser/renderer_host/chrome_navigation_ui_data.h"
#include "chrome/browser/renderer_preferences_util.h"
#include "chrome/browser/resource_coordinator/background_tab_navigation_throttle.h"
#include "chrome/browser/safe_browsing/certificate_reporting_service.h"
#include "chrome/browser/safe_browsing/certificate_reporting_service_factory.h"
#include "chrome/browser/safe_browsing/cloud_content_scanning/deep_scanning_utils.h"
#include "chrome/browser/safe_browsing/delayed_warning_navigation_throttle.h"
#include "chrome/browser/safe_browsing/safe_browsing_service.h"
#include "chrome/browser/safe_browsing/url_checker_delegate_impl.h"
#include "chrome/browser/safe_browsing/url_lookup_service_factory.h"
#include "chrome/browser/search/search.h"
#include "chrome/browser/sharing/sms/sms_remote_fetcher.h"
#include "chrome/browser/signin/chrome_signin_proxying_url_loader_factory.h"
#include "chrome/browser/signin/chrome_signin_url_loader_throttle.h"
#include "chrome/browser/signin/header_modification_delegate_impl.h"
#include "chrome/browser/speech/chrome_speech_recognition_manager_delegate.h"
#include "chrome/browser/ssl/chrome_security_blocking_page_factory.h"
#include "chrome/browser/ssl/https_defaulted_callbacks.h"
#include "chrome/browser/ssl/https_only_mode_navigation_throttle.h"
#include "chrome/browser/ssl/https_only_mode_upgrade_interceptor.h"
#include "chrome/browser/ssl/ssl_client_auth_metrics.h"
#include "chrome/browser/ssl/ssl_client_certificate_selector.h"
#include "chrome/browser/ssl/typed_navigation_upgrade_throttle.h"
#include "chrome/browser/tracing/chrome_tracing_delegate.h"
#include "chrome/browser/translate/translate_service.h"
#include "chrome/browser/ui/blocked_content/blocked_window_params.h"
#include "chrome/browser/ui/blocked_content/chrome_popup_navigation_delegate.h"
#include "chrome/browser/ui/blocked_content/tab_under_navigation_throttle.h"
#include "chrome/browser/ui/browser_navigator.h"
#include "chrome/browser/ui/browser_navigator_params.h"
#include "chrome/browser/ui/chrome_select_file_policy.h"
#include "chrome/browser/ui/login/login_handler.h"
#include "chrome/browser/ui/login/login_navigation_throttle.h"
#include "chrome/browser/ui/login/login_tab_helper.h"
#include "chrome/browser/ui/passwords/well_known_change_password_navigation_throttle.h"
#include "chrome/browser/ui/prefs/pref_watcher.h"
#include "chrome/browser/ui/tab_contents/chrome_web_contents_view_delegate.h"
#include "chrome/browser/ui/webid/identity_dialog_controller.h"
#include "chrome/browser/ui/webui/chrome_web_ui_controller_factory.h"
#include "chrome/browser/ui/webui/log_web_ui_url.h"
#include "chrome/browser/usb/frame_usb_services.h"
#include "chrome/browser/vr/vr_tab_helper.h"
#include "chrome/browser/web_applications/system_web_apps/system_web_app_manager.h"
#include "chrome/browser/web_applications/web_app_provider.h"
#include "chrome/browser/web_applications/web_app_registrar.h"
#include "chrome/common/buildflags.h"
#include "chrome/common/channel_info.h"
#include "chrome/common/chrome_constants.h"
#include "chrome/common/chrome_content_client.h"
#include "chrome/common/chrome_features.h"
#include "chrome/common/chrome_paths.h"
#include "chrome/common/chrome_paths_internal.h"
#include "chrome/common/chrome_switches.h"
#include "chrome/common/env_vars.h"
#include "chrome/common/google_url_loader_throttle.h"
#include "chrome/common/logging_chrome.h"
#include "chrome/common/pref_names.h"
#include "chrome/common/profiler/thread_profiler_configuration.h"
#include "chrome/common/renderer_configuration.mojom.h"
#include "chrome/common/secure_origin_allowlist.h"
#include "chrome/common/url_constants.h"
#include "chrome/common/webui_url_constants.h"
#include "chrome/grit/generated_resources.h"
#include "chrome/installer/util/google_update_settings.h"
#include "components/autofill/core/common/autofill_switches.h"
#include "components/blocked_content/popup_blocker.h"
#include "components/captive_portal/core/buildflags.h"
#include "components/cloud_devices/common/cloud_devices_switches.h"
#include "components/content_settings/browser/page_specific_content_settings.h"
#include "components/content_settings/core/browser/cookie_settings.h"
#include "components/content_settings/core/browser/host_content_settings_map.h"
#include "components/content_settings/core/browser/private_network_settings.h"
#include "components/content_settings/core/common/content_settings.h"
#include "components/content_settings/core/common/content_settings_types.h"
#include "components/data_reduction_proxy/core/browser/data_reduction_proxy_settings.h"
#include "components/dom_distiller/core/dom_distiller_switches.h"
#include "components/dom_distiller/core/url_constants.h"
#include "components/embedder_support/content_settings_utils.h"
#include "components/embedder_support/switches.h"
#include "components/embedder_support/user_agent_utils.h"
#include "components/error_page/common/error.h"
#include "components/error_page/common/error_page_switches.h"
#include "components/error_page/common/localized_error.h"
#include "components/error_page/content/browser/net_error_auto_reloader.h"
#include "components/google/core/common/google_switches.h"
#include "components/keep_alive_registry/keep_alive_types.h"
#include "components/keep_alive_registry/scoped_keep_alive.h"
#include "components/language/core/browser/pref_names.h"
#include "components/live_caption/caption_util.h"
#include "components/media_router/browser/presentation/presentation_service_delegate_impl.h"
#include "components/media_router/browser/presentation/receiver_presentation_service_delegate_impl.h"
#include "components/metrics/client_info.h"
#include "components/metrics_services_manager/metrics_services_manager.h"
#include "components/net_log/chrome_net_log.h"
#include "components/no_state_prefetch/browser/no_state_prefetch_manager.h"
#include "components/no_state_prefetch/common/prerender_final_status.h"
#include "components/no_state_prefetch/common/prerender_url_loader_throttle.h"
#include "components/omnibox/common/omnibox_features.h"
#include "components/page_load_metrics/browser/metrics_navigation_throttle.h"
#include "components/page_load_metrics/browser/metrics_web_contents_observer.h"
#include "components/payments/content/payment_handler_navigation_throttle.h"
#include "components/payments/content/payment_request_display_manager.h"
#include "components/performance_manager/embedder/performance_manager_registry.h"
#include "components/permissions/bluetooth_delegate_impl.h"
#include "components/permissions/permission_context_base.h"
#include "components/permissions/quota_permission_context_impl.h"
#include "components/policy/content/policy_blocklist_navigation_throttle.h"
#include "components/policy/content/policy_blocklist_service.h"
#include "components/policy/core/common/policy_pref_names.h"
#include "components/pref_registry/pref_registry_syncable.h"
#include "components/prefs/pref_registry_simple.h"
#include "components/prefs/pref_service.h"
#include "components/prefs/scoped_user_pref_update.h"
#include "components/safe_browsing/buildflags.h"
#include "components/safe_browsing/content/browser/browser_url_loader_throttle.h"
#include "components/safe_browsing/content/browser/password_protection/password_protection_navigation_throttle.h"
#include "components/safe_browsing/content/browser/safe_browsing_navigation_throttle.h"
#include "components/safe_browsing/core/browser/realtime/policy_engine.h"
#include "components/safe_browsing/core/browser/realtime/url_lookup_service.h"
#include "components/safe_browsing/core/browser/url_checker_delegate.h"
#include "components/safe_browsing/core/common/features.h"
#include "components/safe_browsing/core/common/safe_browsing_prefs.h"
#include "components/security_interstitials/content/insecure_form_navigation_throttle.h"
#include "components/security_interstitials/content/origin_policy_ui.h"
#include "components/security_interstitials/content/ssl_cert_reporter.h"
#include "components/security_interstitials/content/ssl_error_handler.h"
#include "components/security_interstitials/content/ssl_error_navigation_throttle.h"
#include "components/site_isolation/pref_names.h"
#include "components/site_isolation/preloaded_isolated_origins.h"
#include "components/site_isolation/site_isolation_policy.h"
#include "components/subresource_filter/content/browser/content_subresource_filter_throttle_manager.h"
#include "components/subresource_redirect/common/subresource_redirect_features.h"
#include "components/translate/core/common/translate_switches.h"
#include "components/variations/variations_associated_data.h"
#include "components/variations/variations_switches.h"
#include "content/public/browser/browser_child_process_host.h"
#include "content/public/browser/browser_main_parts.h"
#include "content/public/browser/browser_ppapi_host.h"
#include "content/public/browser/browser_task_traits.h"
#include "content/public/browser/browser_thread.h"
#include "content/public/browser/browser_url_handler.h"
#include "content/public/browser/certificate_request_result_type.h"
#include "content/public/browser/child_process_data.h"
#include "content/public/browser/child_process_security_policy.h"
#include "content/public/browser/client_certificate_delegate.h"
#include "content/public/browser/file_url_loader.h"
#include "content/public/browser/font_access_delegate.h"
#include "content/public/browser/navigation_handle.h"
#include "content/public/browser/navigation_throttle.h"
#include "content/public/browser/overlay_window.h"
#include "content/public/browser/permission_controller.h"
#include "content/public/browser/render_frame_host.h"
#include "content/public/browser/render_process_host.h"
#include "content/public/browser/sms_fetcher.h"
#include "content/public/browser/tts_controller.h"
#include "content/public/browser/tts_platform.h"
#include "content/public/browser/url_loader_request_interceptor.h"
#include "content/public/browser/vpn_service_proxy.h"
#include "content/public/browser/web_contents.h"
#include "content/public/browser/web_contents_delegate.h"
#include "content/public/browser/web_ui_url_loader_factory.h"
#include "content/public/common/content_descriptors.h"
#include "content/public/common/content_features.h"
#include "content/public/common/content_switches.h"
#include "content/public/common/url_constants.h"
#include "content/public/common/window_container_type.mojom-shared.h"
#include "device/vr/buildflags/buildflags.h"
#include "extensions/buildflags/buildflags.h"
#include "google_apis/gaia/gaia_urls.h"
#include "google_apis/google_api_keys.h"
#include "gpu/config/gpu_switches.h"
#include "media/base/media_switches.h"
#include "media/media_buildflags.h"
#include "media/mojo/buildflags.h"
#include "mojo/public/cpp/bindings/remote.h"
#include "net/ssl/client_cert_store.h"
#include "net/ssl/ssl_cert_request_info.h"
#include "pdf/buildflags.h"
#include "ppapi/buildflags/buildflags.h"
#include "printing/buildflags/buildflags.h"
#include "sandbox/policy/switches.h"
#include "services/metrics/public/cpp/ukm_source_id.h"
#include "services/network/public/cpp/is_potentially_trustworthy.h"
#include "services/network/public/cpp/network_switches.h"
#include "services/network/public/cpp/resource_request.h"
#include "services/network/public/cpp/self_deleting_url_loader_factory.h"
#include "services/network/public/mojom/web_transport.mojom.h"
#include "third_party/blink/public/common/features.h"
#include "third_party/blink/public/common/loader/url_loader_throttle.h"
#include "third_party/blink/public/common/navigation/navigation_policy.h"
#include "third_party/blink/public/common/switches.h"
#include "third_party/blink/public/mojom/federated_learning/floc.mojom.h"
#include "third_party/blink/public/public_buildflags.h"
#include "third_party/widevine/cdm/buildflags.h"
#include "ui/base/clipboard/clipboard_format_type.h"
#include "ui/base/l10n/l10n_util.h"
#include "ui/base/page_transition_types.h"
#include "ui/base/resource/resource_bundle.h"
#include "ui/native_theme/native_theme.h"
#include "url/gurl.h"
#include "url/origin.h"
#include "url/third_party/mozilla/url_parse.h"
#include "url/url_constants.h"
#if defined(OS_WIN)
#include "base/files/file_util.h"
#include "base/strings/string_tokenizer.h"
#include "base/win/win_util.h"
#include "base/win/windows_version.h"
#include "chrome/browser/chrome_browser_main_win.h"
#include "chrome/browser/lifetime/application_lifetime.h"
#include "chrome/install_static/install_util.h"
#include "chrome/services/util_win/public/mojom/util_win.mojom.h"
#include "sandbox/win/src/sandbox_policy.h"
#elif defined(OS_MAC)
#include "chrome/browser/browser_process_platform_part_mac.h"
#include "chrome/browser/chrome_browser_main_mac.h"
#include "chrome/browser/mac/auth_session_request.h"
#include "components/soda/constants.h"
#include "sandbox/mac/seatbelt_exec.h"
#include "sandbox/policy/mac/params.h"
#include "sandbox/policy/mac/sandbox_mac.h"
#elif BUILDFLAG(IS_CHROMEOS_ASH)
#include "ash/constants/ash_pref_names.h"
#include "ash/constants/ash_switches.h"
#include "ash/public/cpp/tablet_mode.h"
#include "ash/webui/scanning/url_constants.h"
#include "base/containers/contains.h"
#include "chrome/app/chrome_crash_reporter_client.h"
#include "chrome/browser/ash/arc/fileapi/arc_content_file_system_backend_delegate.h"
#include "chrome/browser/ash/arc/fileapi/arc_documents_provider_backend_delegate.h"
#include "chrome/browser/ash/drive/fileapi/drivefs_file_system_backend_delegate.h"
#include "chrome/browser/ash/file_manager/app_id.h"
#include "chrome/browser/ash/file_system_provider/fileapi/backend_delegate.h"
#include "chrome/browser/ash/login/signin/merge_session_navigation_throttle.h"
#include "chrome/browser/ash/login/signin/merge_session_throttling_utils.h"
#include "chrome/browser/ash/login/signin_partition_manager.h"
#include "chrome/browser/ash/login/startup_utils.h"
#include "chrome/browser/ash/policy/handlers/system_features_disable_list_policy_handler.h"
#include "chrome/browser/ash/policy/networking/policy_cert_service_factory.h"
#include "chrome/browser/ash/profiles/profile_helper.h"
#include "chrome/browser/ash/smb_client/fileapi/smbfs_file_system_backend_delegate.h"
#include "chrome/browser/ash/system/input_device_settings.h"
#include "chrome/browser/chromeos/chrome_browser_main_chromeos.h"
#include "chrome/browser/chromeos/chrome_content_browser_client_chromeos_part.h"
#include "chrome/browser/chromeos/fileapi/external_file_url_loader_factory.h"
#include "chrome/browser/chromeos/fileapi/file_system_backend.h"
#include "chrome/browser/chromeos/fileapi/mtp_file_system_backend_delegate.h"
#include "chrome/browser/chromeos/net/system_proxy_manager.h"
#include "chrome/browser/speech/tts_chromeos.h"
#include "chrome/browser/ui/ash/chrome_browser_main_extra_parts_ash.h"
#include "chrome/browser/ui/browser_dialogs.h"
#include "chromeos/components/camera_app_ui/url_constants.h"
#include "components/crash/core/app/breakpad_linux.h"
#include "components/user_manager/user.h"
#include "components/user_manager/user_manager.h"
#include "services/service_manager/public/mojom/interface_provider_spec.mojom.h"
#include "storage/browser/file_system/external_mount_points.h"
#elif defined(OS_LINUX) || BUILDFLAG(IS_CHROMEOS_LACROS)
#include "chrome/browser/chrome_browser_main_linux.h"
#elif defined(OS_ANDROID)
#include "base/android/application_status_listener.h"
#include "base/feature_list.h"
#include "chrome/android/features/dev_ui/buildflags.h"
#include "chrome/android/modules/extra_icu/provider/module_provider.h"
#include "chrome/browser/android/customtabs/client_data_header_web_contents_observer.h"
#include "chrome/browser/android/devtools_manager_delegate_android.h"
#include "chrome/browser/android/ntp/new_tab_page_url_handler.h"
#include "chrome/browser/android/service_tab_launcher.h"
#include "chrome/browser/android/tab_android.h"
#include "chrome/browser/android/tab_web_contents_delegate_android.h"
#include "chrome/browser/chrome_browser_main_android.h"
#include "chrome/browser/download/android/available_offline_content_provider.h"
#include "chrome/browser/download/android/intercept_oma_download_navigation_throttle.h"
#include "chrome/browser/flags/android/chrome_feature_list.h"
#include "chrome/browser/ui/android/tab_model/tab_model_list.h"
#include "chrome/common/chrome_descriptors.h"
#include "components/cdm/browser/cdm_message_filter_android.h"
#include "components/crash/content/browser/child_exit_observer_android.h"
#include "components/crash/content/browser/crash_memory_metrics_collector_android.h"
#include "components/navigation_interception/intercept_navigation_delegate.h"
#include "components/viz/common/features.h"
#include "components/viz/common/viz_utils.h"
#include "content/public/browser/android/java_interfaces.h"
#include "services/service_manager/public/cpp/interface_provider.h"
#include "ui/base/resource/resource_bundle_android.h"
#include "ui/base/ui_base_paths.h"
#include "ui/display/display.h"
#if BUILDFLAG(DFMIFY_DEV_UI)
#include "chrome/browser/dev_ui/android/dev_ui_loader_throttle.h"
#endif // BUILDFLAG(DFMIFY_DEV_UI)
#elif defined(OS_POSIX)
#include "chrome/browser/chrome_browser_main_posix.h"
#elif defined(OS_FUCHSIA)
#include "chrome/browser/chrome_browser_main_parts_fuchsia.h"
#endif
#if !BUILDFLAG(IS_CHROMEOS_ASH)
#include "ui/accessibility/accessibility_features.h"
#endif // !BUILDFLAG(IS_CHROMEOS_ASH)
#if !defined(OS_ANDROID)
#include "chrome/browser/devtools/chrome_devtools_manager_delegate.h"
#include "chrome/browser/devtools/devtools_window.h"
#include "chrome/browser/media/unified_autoplay_config.h"
#include "chrome/browser/search/instant_service.h"
#include "chrome/browser/search/instant_service_factory.h"
#include "chrome/browser/serial/chrome_serial_delegate.h"
#include "chrome/browser/task_manager/task_manager_interface.h"
#include "chrome/browser/ui/browser.h"
#include "chrome/browser/ui/browser_dialogs.h"
#include "chrome/browser/ui/browser_finder.h"
#include "chrome/browser/ui/search/new_tab_page_navigation_throttle.h"
#include "chrome/browser/webauthn/authenticator_request_scheduler.h"
#include "chrome/browser/webauthn/chrome_authenticator_request_delegate.h"
#include "chrome/grit/chrome_unscaled_resources.h" // nogncheck crbug.com/1125897
#include "third_party/blink/public/mojom/permissions_policy/permissions_policy_feature.mojom.h"
#endif // !defined(OS_ANDROID)
// TODO(crbug.com/1052397): Revisit the macro expression once build flag switch
// of lacros-chrome is complete.
#if defined(OS_WIN) || defined(OS_MAC) || \
(defined(OS_LINUX) || BUILDFLAG(IS_CHROMEOS_LACROS))
#include "chrome/browser/browser_switcher/browser_switcher_navigation_throttle.h"
#endif
#if defined(OS_LINUX) || defined(OS_CHROMEOS)
#include "components/crash/core/app/crash_switches.h"
#include "components/crash/core/app/crashpad.h"
#endif
#if defined(OS_POSIX) && !defined(OS_MAC)
#if !defined(OS_ANDROID)
#include "base/debug/leak_annotations.h"
#include "components/crash/core/app/breakpad_linux.h"
#endif // !defined(OS_ANDROID)
#include "components/crash/content/browser/crash_handler_host_linux.h"
#endif
#if defined(OS_LINUX) || defined(OS_MAC) || defined(OS_WIN) || \
BUILDFLAG(IS_CHROMEOS_ASH)
#include "chrome/browser/enterprise/connectors/device_trust/navigation_throttle.h"
#endif // defined(OS_LINUX) || defined(OS_MAC) || defined(OS_WIN) ||
// BUILDFLAG(IS_CHROMEOS_ASH)
// TODO(crbug.com/939205): Once the upcoming App Service is available, use a
// single navigation throttle to display the intent picker on all platforms.
#if !defined(OS_ANDROID)
#if BUILDFLAG(IS_CHROMEOS_ASH)
#include "chrome/browser/ash/apps/intent_helper/common_apps_navigation_throttle.h"
#else
#include "chrome/browser/apps/intent_helper/apps_navigation_throttle.h"
#endif
#endif
#if defined(TOOLKIT_VIEWS)
#include "chrome/browser/ui/views/chrome_browser_main_extra_parts_views.h"
#endif
// TODO(crbug.com/1052397): Revisit the macro expression once build flag switch
// of lacros-chrome is complete.
#if defined(OS_LINUX) || BUILDFLAG(IS_CHROMEOS_LACROS)
#include "chrome/browser/ui/views/chrome_browser_main_extra_parts_views_linux.h"
#endif
#if defined(USE_X11) || defined(USE_OZONE)
#include "chrome/browser/chrome_browser_main_extra_parts_ozone.h"
#endif
#if BUILDFLAG(ENABLE_CAPTIVE_PORTAL_DETECTION)
#include "components/captive_portal/content/captive_portal_tab_helper.h"
#include "components/captive_portal/content/captive_portal_url_loader_throttle.h"
#endif
#if BUILDFLAG(ENABLE_NACL)
#include "components/nacl/browser/nacl_host_message_filter.h"
#include "components/nacl/browser/nacl_process_host.h"
#include "components/nacl/common/nacl_process_type.h"
#include "components/nacl/common/nacl_switches.h"
#endif
#if BUILDFLAG(ENABLE_EXTENSIONS)
#include "chrome/browser/accessibility/animation_policy_prefs.h"
#include "chrome/browser/apps/platform_apps/platform_app_navigation_redirector.h"
#include "chrome/browser/extensions/chrome_content_browser_client_extensions_part.h"
#include "chrome/browser/extensions/chrome_extension_web_contents_observer.h"
#include "chrome/browser/extensions/extension_util.h"
#include "chrome/browser/extensions/user_script_listener.h"
#include "chrome/browser/speech/extension_api/tts_engine_extension_api.h"
#include "chrome/browser/ui/web_applications/app_browser_controller.h"
#include "extensions/browser/api/web_request/web_request_api.h"
#include "extensions/browser/extension_navigation_throttle.h"
#include "extensions/browser/extension_protocols.h"
#include "extensions/browser/extension_registry.h"
#include "extensions/browser/extension_util.h"
#include "extensions/browser/guest_view/web_view/web_view_guest.h"
#include "extensions/browser/guest_view/web_view/web_view_permission_helper.h"
#include "extensions/browser/guest_view/web_view/web_view_renderer_state.h"
#include "extensions/browser/process_map.h"
#include "extensions/common/constants.h"
#include "extensions/common/extension.h"
#include "extensions/common/extension_set.h"
#include "extensions/common/manifest_handlers/background_info.h"
#include "extensions/common/permissions/permissions_data.h"
#include "extensions/common/switches.h"
#endif // BUILDFLAG(ENABLE_EXTENSIONS)
#if BUILDFLAG(ENABLE_PLUGINS)
#include "chrome/browser/plugins/chrome_content_browser_client_plugins_part.h"
#include "chrome/browser/plugins/plugin_response_interceptor_url_loader_throttle.h"
#endif
#if BUILDFLAG(ENABLE_PDF)
#include "chrome/browser/pdf/chrome_pdf_stream_delegate.h"
#include "chrome/common/pdf_util.h"
#include "components/pdf/browser/pdf_navigation_throttle.h"
#include "components/pdf/browser/pdf_url_loader_request_interceptor.h"
#include "components/pdf/common/internal_plugin_helpers.h"
#endif // BUILDFLAG(ENABLE_PDF)
#if BUILDFLAG(ENABLE_SUPERVISED_USERS)
#include "chrome/browser/supervised_user/supervised_user_google_auth_navigation_throttle.h"
#endif
#if BUILDFLAG(IS_CHROMEOS_ASH)
#include "chrome/browser/ash/app_mode/kiosk_settings_navigation_throttle.h"
#include "chrome/browser/ash/child_accounts/time_limits/web_time_limit_navigation_throttle.h"
#include "chrome/browser/speech/tts_controller_delegate_impl.h"
#endif // BUILDFLAG(IS_CHROMEOS_ASH)
#if BUILDFLAG(ENABLE_MEDIA_REMOTING)
#include "chrome/browser/media/cast_remoting_connector.h"
#endif
#if BUILDFLAG(ENABLE_SUPERVISED_USERS)
#include "chrome/browser/supervised_user/supervised_user_navigation_throttle.h"
#endif
#if BUILDFLAG(SAFE_BROWSING_AVAILABLE)
#include "chrome/browser/safe_browsing/chrome_password_protection_service.h"
#endif
#if BUILDFLAG(SAFE_BROWSING_DB_LOCAL)
#include "chrome/browser/safe_browsing/chrome_enterprise_url_lookup_service.h" // nogncheck crbug.com/1125897
#include "chrome/browser/safe_browsing/chrome_enterprise_url_lookup_service_factory.h" // nogncheck crbug.com/1125897
#endif
#if BUILDFLAG(ENABLE_OFFLINE_PAGES)
#include "chrome/browser/offline_pages/offline_page_navigation_throttle.h"
#include "chrome/browser/offline_pages/offline_page_tab_helper.h"
#include "chrome/browser/offline_pages/offline_page_url_loader_request_interceptor.h"
#endif
#if BUILDFLAG(ENABLE_WEBUI_TAB_STRIP)
#include "chrome/browser/ui/webui/tab_strip/chrome_content_browser_client_tab_strip_part.h"
#endif
#if BUILDFLAG(FULL_SAFE_BROWSING)
#include "chrome/browser/enterprise/connectors/analysis/content_analysis_delegate.h"
#endif
#if BUILDFLAG(ENABLE_VR)
#include "chrome/browser/vr/chrome_xr_integration_client.h"
#endif
#if BUILDFLAG(IS_CHROMEOS_LACROS)
#include "chrome/browser/chrome_browser_main_parts_lacros.h"
#include "chrome/browser/lacros/chrome_browser_main_extra_parts_lacros.h"
#include "chrome/browser/ui/views/chrome_browser_main_extra_parts_views_lacros.h"
#include "chromeos/lacros/lacros_service.h"
#include "ui/base/ui_base_switches.h"
#endif
#if BUILDFLAG(USE_MINIKIN_HYPHENATION) && !defined(OS_ANDROID)
#include "chrome/browser/component_updater/hyphenation_component_installer.h"
#endif
#if defined(_WINDOWS_)
// This source file doesn't need windows.h and its associated namespace
// pollution. Try to avoid windows.h in header files used by source files such
// as this one. See brucedawson@chromium.org for assistance.
#error Avoid new windows.h dependencies here. See accompanying source comment.
#endif
using base::FileDescriptor;
using blink::mojom::EffectiveConnectionType;
using blink::web_pref::WebPreferences;
using content::BrowserThread;
using content::BrowserURLHandler;
using content::ChildProcessSecurityPolicy;
using content::QuotaPermissionContext;
using content::RenderFrameHost;
using content::RenderViewHost;
using content::SiteInstance;
using content::WebContents;
using message_center::NotifierId;
#if defined(OS_POSIX)
using content::PosixFileDescriptorInfo;
#endif
#if BUILDFLAG(ENABLE_EXTENSIONS)
using extensions::APIPermission;
using extensions::ChromeContentBrowserClientExtensionsPart;
using extensions::Extension;
using extensions::Manifest;
using extensions::mojom::APIPermissionID;
#endif
#if BUILDFLAG(ENABLE_PLUGINS)
using plugins::ChromeContentBrowserClientPluginsPart;
#endif
namespace {
#if defined(OS_WIN) && !defined(COMPONENT_BUILD) && !defined(ADDRESS_SANITIZER)
// Enables pre-launch Code Integrity Guard (CIG) for Chrome renderers, when
// running on Windows 10 1511 and above. See
// https://blogs.windows.com/blog/tag/code-integrity-guard/.
const base::Feature kRendererCodeIntegrity{"RendererCodeIntegrity",
base::FEATURE_ENABLED_BY_DEFAULT};
// Enables pre-launch Code Integrity Guard (CIG) for Chrome network service
// process, when running on Windows 10 1511 and above. This has no effect if
// NetworkServiceSandbox feature is disabled. See
// https://blogs.windows.com/blog/tag/code-integrity-guard/.
const base::Feature kNetworkServiceCodeIntegrity{
"NetworkServiceCodeIntegrity", base::FEATURE_DISABLED_BY_DEFAULT};
#endif // defined(OS_WIN) && !defined(COMPONENT_BUILD) &&
// !defined(ADDRESS_SANITIZER)
bool IsSSLErrorOverrideAllowedForOrigin(const GURL& request_url,
PrefService* prefs) {
DCHECK(request_url.SchemeIsCryptographic());
if (prefs->GetBoolean(prefs::kSSLErrorOverrideAllowed))
return true;
if (!prefs->GetList(prefs::kSSLErrorOverrideAllowedForOrigins))
return false;
base::Value::ConstListView allow_list_urls =
prefs->GetList(prefs::kSSLErrorOverrideAllowedForOrigins)->GetList();
if (allow_list_urls.empty())
return false;
for (auto const& value : allow_list_urls) {
ContentSettingsPattern pattern =
ContentSettingsPattern::FromString(value.GetString());
if (pattern == ContentSettingsPattern::Wildcard() || !pattern.IsValid())
continue;
// Despite |request_url| being a GURL, the path is ignored when matching.
if (pattern.Matches(request_url))
return true;
}
return false;
}
// Wrapper for SSLErrorHandler::HandleSSLError() that supplies //chrome-level
// parameters.
void HandleSSLErrorWrapper(
content::WebContents* web_contents,
int cert_error,
const net::SSLInfo& ssl_info,
const GURL& request_url,
std::unique_ptr<SSLCertReporter> ssl_cert_reporter,
SSLErrorHandler::BlockingPageReadyCallback blocking_page_ready_callback) {
Profile* profile =
Profile::FromBrowserContext(web_contents->GetBrowserContext());
// Profile should always outlive a WebContents
DCHECK(profile);
captive_portal::CaptivePortalService* captive_portal_service = nullptr;
#if BUILDFLAG(ENABLE_CAPTIVE_PORTAL_DETECTION)
captive_portal_service = CaptivePortalServiceFactory::GetForProfile(profile);
#endif
SSLErrorHandler::HandleSSLError(
web_contents, cert_error, ssl_info, request_url,
std::move(ssl_cert_reporter), std::move(blocking_page_ready_callback),
g_browser_process->network_time_tracker(), captive_portal_service,
std::make_unique<ChromeSecurityBlockingPageFactory>(),
IsSSLErrorOverrideAllowedForOrigin(request_url, profile->GetPrefs()));
}
enum AppLoadedInTabSource {
// A platform app page tried to load one of its own URLs in a tab.
APP_LOADED_IN_TAB_SOURCE_APP = 0,
// A platform app background page tried to load one of its own URLs in a tab.
APP_LOADED_IN_TAB_SOURCE_BACKGROUND_PAGE,
// An extension or app tried to load a resource of a different platform app in
// a tab.
APP_LOADED_IN_TAB_SOURCE_OTHER_EXTENSION,
// A non-app and non-extension page tried to load a platform app in a tab.
APP_LOADED_IN_TAB_SOURCE_OTHER,
APP_LOADED_IN_TAB_SOURCE_MAX
};
// Cached version of the locale so we can return the locale on the I/O
// thread.
std::string& GetIOThreadApplicationLocale() {
static base::NoDestructor<std::string> s;
return *s;
}
// Returns a copy of the given url with its host set to given host and path set
// to given path. Other parts of the url will be the same.
GURL ReplaceURLHostAndPath(const GURL& url,
const std::string& host,
const std::string& path) {
url::Replacements<char> replacements;
replacements.SetHost(host.c_str(), url::Component(0, host.length()));
replacements.SetPath(path.c_str(), url::Component(0, path.length()));
return url.ReplaceComponents(replacements);
}
// Handles the rewriting of the new tab page URL based on group policy.
bool HandleNewTabPageLocationOverride(
GURL* url,
content::BrowserContext* browser_context) {
if (!url->SchemeIs(content::kChromeUIScheme) ||
url->host() != chrome::kChromeUINewTabHost)
return false;
Profile* profile = Profile::FromBrowserContext(browser_context);
std::string ntp_location =
profile->GetPrefs()->GetString(prefs::kNewTabPageLocationOverride);
if (ntp_location.empty())
return false;
url::Component scheme;
if (!url::ExtractScheme(ntp_location.data(),
static_cast<int>(ntp_location.length()), &scheme)) {
ntp_location = base::StrCat(
{url::kHttpsScheme, url::kStandardSchemeSeparator, ntp_location});
}
*url = GURL(ntp_location);
return true;
}
#if !defined(OS_ANDROID)
// Check if the current url is allowlisted based on a list of allowlisted urls.
bool IsURLAllowlisted(const GURL& current_url,
base::Value::ConstListView allowlisted_urls) {
// Only check on HTTP and HTTPS pages.
if (!current_url.SchemeIsHTTPOrHTTPS())
return false;
for (auto const& value : allowlisted_urls) {
ContentSettingsPattern pattern =
ContentSettingsPattern::FromString(value.GetString());
if (pattern == ContentSettingsPattern::Wildcard() || !pattern.IsValid())
continue;
if (pattern.Matches(current_url))
return true;
}
return false;
}
// Check if autoplay is allowed by policy configuration.
bool IsAutoplayAllowedByPolicy(content::WebContents* contents,
PrefService* prefs) {
DCHECK(prefs);
// Check if we have globally allowed autoplay by policy.
if (prefs->GetBoolean(prefs::kAutoplayAllowed) &&
prefs->IsManagedPreference(prefs::kAutoplayAllowed)) {
return true;
}
if (!contents)
return false;
// Check if the current URL matches a URL pattern on the allowlist.
const base::ListValue* autoplay_allowlist =
prefs->GetList(prefs::kAutoplayWhitelist);
return autoplay_allowlist &&
prefs->IsManagedPreference(prefs::kAutoplayWhitelist) &&
IsURLAllowlisted(contents->GetURL(), autoplay_allowlist->GetList());
}
#endif
blink::mojom::AutoplayPolicy GetAutoplayPolicyForWebContents(
WebContents* web_contents) {
const base::CommandLine& command_line =
*base::CommandLine::ForCurrentProcess();
std::string autoplay_policy = media::GetEffectiveAutoplayPolicy(command_line);
auto result = blink::mojom::AutoplayPolicy::kDocumentUserActivationRequired;
if (autoplay_policy == switches::autoplay::kNoUserGestureRequiredPolicy) {
result = blink::mojom::AutoplayPolicy::kNoUserGestureRequired;
} else if (autoplay_policy ==
switches::autoplay::kUserGestureRequiredPolicy) {
result = blink::mojom::AutoplayPolicy::kUserGestureRequired;
} else if (autoplay_policy ==
switches::autoplay::kDocumentUserActivationRequiredPolicy) {
result = blink::mojom::AutoplayPolicy::kDocumentUserActivationRequired;
} else {
NOTREACHED();
}
#if !defined(OS_ANDROID)
Profile* profile =
Profile::FromBrowserContext(web_contents->GetBrowserContext());
PrefService* prefs = profile->GetPrefs();
// Override autoplay policy used in internal switch in case of enabling
// features such as policy, allowlisting or disabling from settings.
if (IsAutoplayAllowedByPolicy(web_contents, prefs)) {
result = blink::mojom::AutoplayPolicy::kNoUserGestureRequired;
} else if (base::FeatureList::IsEnabled(media::kAutoplayDisableSettings) &&
result == blink::mojom::AutoplayPolicy::
kDocumentUserActivationRequired) {
result = UnifiedAutoplayConfig::ShouldBlockAutoplay(profile)
? blink::mojom::AutoplayPolicy::kDocumentUserActivationRequired
: blink::mojom::AutoplayPolicy::kNoUserGestureRequired;
} else if (web_contents->GetMainFrame()->IsFeatureEnabled(
blink::mojom::PermissionsPolicyFeature::kAutoplay) &&
IsAutoplayAllowedByPolicy(web_contents->GetOuterWebContents(),
prefs)) {
// If the domain policy allows autoplay and has delegated that to an iframe,
// allow autoplay within the iframe. Only allow a nesting of single depth.
result = blink::mojom::AutoplayPolicy::kNoUserGestureRequired;
}
#endif // !defined(OS_ANDROID)
return result;
}
#if defined(OS_ANDROID)
int GetCrashSignalFD(const base::CommandLine& command_line) {
return crashpad::CrashHandlerHost::Get()->GetDeathSignalSocket();
}
#elif defined(OS_POSIX) && !defined(OS_MAC)
breakpad::CrashHandlerHostLinux* CreateCrashHandlerHost(
const std::string& process_type) {
base::FilePath dumps_path;
base::PathService::Get(chrome::DIR_CRASH_DUMPS, &dumps_path);
{
ANNOTATE_SCOPED_MEMORY_LEAK;
bool upload = !getenv(env_vars::kHeadless);
breakpad::CrashHandlerHostLinux* crash_handler =
new breakpad::CrashHandlerHostLinux(process_type, dumps_path, upload);
crash_handler->StartUploaderThread();
return crash_handler;
}
}
int GetCrashSignalFD(const base::CommandLine& command_line) {
if (crash_reporter::IsCrashpadEnabled()) {
int fd;
pid_t pid;
return crash_reporter::GetHandlerSocket(&fd, &pid) ? fd : -1;
}
// Extensions have the same process type as renderers.
if (command_line.HasSwitch(extensions::switches::kExtensionProcess)) {
static breakpad::CrashHandlerHostLinux* crash_handler = nullptr;
if (!crash_handler)
crash_handler = CreateCrashHandlerHost("extension");
return crash_handler->GetDeathSignalSocket();
}
std::string process_type =
command_line.GetSwitchValueASCII(switches::kProcessType);
if (process_type == switches::kRendererProcess) {
static breakpad::CrashHandlerHostLinux* crash_handler = nullptr;
if (!crash_handler)
crash_handler = CreateCrashHandlerHost(process_type);
return crash_handler->GetDeathSignalSocket();
}
if (process_type == switches::kPpapiPluginProcess) {
static breakpad::CrashHandlerHostLinux* crash_handler = nullptr;
if (!crash_handler)
crash_handler = CreateCrashHandlerHost(process_type);
return crash_handler->GetDeathSignalSocket();
}
if (process_type == switches::kGpuProcess) {
static breakpad::CrashHandlerHostLinux* crash_handler = nullptr;
if (!crash_handler)
crash_handler = CreateCrashHandlerHost(process_type);
return crash_handler->GetDeathSignalSocket();
}
if (process_type == switches::kUtilityProcess) {
static breakpad::CrashHandlerHostLinux* crash_handler = nullptr;
if (!crash_handler)
crash_handler = CreateCrashHandlerHost(process_type);
return crash_handler->GetDeathSignalSocket();
}
return -1;
}
#endif // defined(OS_ANDROID)
void SetApplicationLocaleOnIOThread(const std::string& locale) {
DCHECK_CURRENTLY_ON(BrowserThread::IO);
GetIOThreadApplicationLocale() = locale;
}
// An implementation of the SSLCertReporter interface used by
// SSLErrorHandler. Uses CertificateReportingService to send reports. The
// service handles queueing and re-sending of failed reports. Each certificate
// error creates a new instance of this class.
class CertificateReportingServiceCertReporter : public SSLCertReporter {
public:
explicit CertificateReportingServiceCertReporter(
content::WebContents* web_contents)
: service_(CertificateReportingServiceFactory::GetForBrowserContext(
web_contents->GetBrowserContext())) {}
~CertificateReportingServiceCertReporter() override {}
// SSLCertReporter implementation
void ReportInvalidCertificateChain(
const std::string& serialized_report) override {
service_->Send(serialized_report);
}
private:
CertificateReportingService* service_;
DISALLOW_COPY_AND_ASSIGN(CertificateReportingServiceCertReporter);
};
#if BUILDFLAG(ENABLE_EXTENSIONS)
AppLoadedInTabSource ClassifyAppLoadedInTabSource(
const GURL& opener_url,
const extensions::Extension* target_platform_app) {
if (!opener_url.SchemeIs(extensions::kExtensionScheme)) {
// The forbidden app URL was being opened by a non-extension page (e.g.
// http).
return APP_LOADED_IN_TAB_SOURCE_OTHER;
}
if (opener_url.host_piece() != target_platform_app->id()) {
// The forbidden app URL was being opened by a different app or extension.
return APP_LOADED_IN_TAB_SOURCE_OTHER_EXTENSION;
}
// This platform app was trying to window.open() one of its own URLs.
if (opener_url ==
extensions::BackgroundInfo::GetBackgroundURL(target_platform_app)) {
// Source was the background page.
return APP_LOADED_IN_TAB_SOURCE_BACKGROUND_PAGE;
}
// Source was a different page inside the app.
return APP_LOADED_IN_TAB_SOURCE_APP;
}
// Returns true if there is is an extension matching `url` in
// `render_process_id` with `permission`.
//
// GetExtensionOrAppByURL requires a full URL in order to match with a hosted
// app, even though normal extensions just use the host.
bool URLHasExtensionPermission(extensions::ProcessMap* process_map,
extensions::ExtensionRegistry* registry,
const GURL& url,
int render_process_id,
APIPermissionID permission) {
// Includes web URLs that are part of an extension's web extent.
const Extension* extension =
registry->enabled_extensions().GetExtensionOrAppByURL(url);
return extension &&
extension->permissions_data()->HasAPIPermission(permission) &&
process_map->Contains(extension->id(), render_process_id);
}
#endif
mojo::PendingRemote<prerender::mojom::PrerenderCanceler> GetPrerenderCanceler(
base::OnceCallback<content::WebContents*()> wc_getter) {
mojo::PendingRemote<prerender::mojom::PrerenderCanceler> canceler;
prerender::ChromeNoStatePrefetchContentsDelegate::FromWebContents(
std::move(wc_getter).Run())
->AddPrerenderCancelerReceiver(canceler.InitWithNewPipeAndPassReceiver());
return canceler;
}
// Encapculates logic to determine if enterprise policies should be honored.
// This is a copy of the code in policy_loader_win.cc but it's ok to duplicate
// as a new central class to replace those checks is in the making.
bool ShouldHonorPolicies() {
#if defined(OS_WIN)
bool is_enterprise_version =
base::win::OSInfo::GetInstance()->version_type() != base::win::SUITE_HOME;
return base::win::IsEnrolledToDomain() ||
(base::win::IsDeviceRegisteredWithManagement() &&
is_enterprise_version);
#else // defined(OS_WIN)
// TODO(pastarmovj): Replace this with check for MacOS and the new management
// service once it is ready.
return true;
#endif // defined(OS_WIN)
}
void LaunchURL(const GURL& url,
content::WebContents::Getter web_contents_getter,
ui::PageTransition page_transition,
bool has_user_gesture,
const absl::optional<url::Origin>& initiating_origin) {
// If there is no longer a WebContents, the request may have raced with tab
// closing. Don't fire the external request. (It may have been a prerender.)
content::WebContents* web_contents = web_contents_getter.Run();
if (!web_contents)
return;
// Do not launch external requests attached to unswapped no-state prefetchers.
prerender::NoStatePrefetchContents* no_state_prefetch_contents =
prerender::ChromeNoStatePrefetchContentsDelegate::FromWebContents(
web_contents);
if (no_state_prefetch_contents) {
no_state_prefetch_contents->Destroy(
prerender::FINAL_STATUS_UNSUPPORTED_SCHEME);
return;
}
// Do not launch external requests for schemes that have a handler registered.
ProtocolHandlerRegistry* protocol_handler_registry =
ProtocolHandlerRegistryFactory::GetForBrowserContext(
web_contents->GetBrowserContext());
if (protocol_handler_registry &&
protocol_handler_registry->IsHandledProtocol(url.scheme()))
return;
bool is_allowlisted = false;
PolicyBlocklistService* service =
PolicyBlocklistFactory::GetForBrowserContext(
web_contents->GetBrowserContext());
if (ShouldHonorPolicies() && service) {
const policy::URLBlocklist::URLBlocklistState url_state =
service->GetURLBlocklistState(url);
is_allowlisted =
url_state == policy::URLBlocklist::URLBlocklistState::URL_IN_ALLOWLIST;
}
// If the URL is in allowlist, we launch it without asking the user and
// without any additional security checks. Since the URL is allowlisted,
// we assume it can be executed.
if (is_allowlisted) {
ExternalProtocolHandler::LaunchUrlWithoutSecurityCheck(url, web_contents);
} else {
ExternalProtocolHandler::LaunchUrl(url, std::move(web_contents_getter),
page_transition, has_user_gesture,
initiating_origin);
}
}
void MaybeAppendSecureOriginsAllowlistSwitch(base::CommandLine* cmdline) {
// |allowlist| combines pref/policy + cmdline switch in the browser process.
// For renderer and utility (e.g. NetworkService) processes the switch is the
// only available source, so below the combined (pref/policy + cmdline)
// allowlist of secure origins is injected into |cmdline| for these other
// processes.
std::vector<std::string> allowlist =
network::SecureOriginAllowlist::GetInstance().GetCurrentAllowlist();
if (!allowlist.empty()) {
cmdline->AppendSwitchASCII(
network::switches::kUnsafelyTreatInsecureOriginAsSecure,
base::JoinString(allowlist, ","));
}
}
#if defined(OS_WIN) && !defined(COMPONENT_BUILD) && !defined(ADDRESS_SANITIZER)
// Returns the full path to |module_name|. Both dev builds (where |module_name|
// is in the current executable's directory) and proper installs (where
// |module_name| is in a versioned sub-directory of the current executable's
// directory) are supported. The identified file is not guaranteed to exist.
base::FilePath GetModulePath(base::WStringPiece module_name) {
base::FilePath exe_dir;
const bool has_path = base::PathService::Get(base::DIR_EXE, &exe_dir);
DCHECK(has_path);
// Look for the module in a versioned sub-directory of the current
// executable's directory and return the path if it can be read. This is the
// expected location of modules for proper installs.
const base::FilePath module_path =
exe_dir.AppendASCII(chrome::kChromeVersion).Append(module_name);
if (base::PathExists(module_path))
return module_path;
// Otherwise, return the path to the module in the current executable's
// directory. This is the expected location of modules for dev builds.
return exe_dir.Append(module_name);
}
#endif // defined(OS_WIN) && !defined(COMPONENT_BUILD) &&
// !defined(ADDRESS_SANITIZER)
void MaybeAddThrottle(
std::unique_ptr<content::NavigationThrottle> maybe_throttle,
std::vector<std::unique_ptr<content::NavigationThrottle>>* throttles) {
if (maybe_throttle)
throttles->push_back(std::move(maybe_throttle));
}
void MaybeAddThrottles(
std::vector<std::unique_ptr<content::NavigationThrottle>> additional,
std::vector<std::unique_ptr<content::NavigationThrottle>>* combined) {
combined->insert(combined->end(), std::make_move_iterator(additional.begin()),
std::make_move_iterator(additional.end()));
}
// Returns whether |web_contents| is within a hosted app.
bool IsInHostedApp(WebContents* web_contents) {
#if BUILDFLAG(ENABLE_EXTENSIONS)
Browser* browser = chrome::FindBrowserWithWebContents(web_contents);
return web_app::AppBrowserController::IsWebApp(browser);
#else
return false;
#endif
}
bool IsErrorPageAutoReloadEnabled() {
const base::CommandLine& command_line =
*base::CommandLine::ForCurrentProcess();
if (command_line.HasSwitch(switches::kEnableAutomation))
return false;
if (command_line.HasSwitch(embedder_support::kEnableAutoReload))
return true;
if (command_line.HasSwitch(embedder_support::kDisableAutoReload))
return false;
return true;
}
bool IsTopChromeWebUIURL(const GURL& url) {
return url.SchemeIs(content::kChromeUIScheme) &&
base::EndsWith(url.host_piece(), chrome::kChromeUITopChromeDomain);
}
} // namespace
ChromeContentBrowserClient::ChromeContentBrowserClient() {
#if BUILDFLAG(ENABLE_PLUGINS)
extra_parts_.push_back(new ChromeContentBrowserClientPluginsPart);
#endif
#if BUILDFLAG(IS_CHROMEOS_ASH)
extra_parts_.push_back(new ChromeContentBrowserClientChromeOsPart);
#endif // BUILDFLAG(IS_CHROMEOS_ASH)
#if BUILDFLAG(ENABLE_WEBUI_TAB_STRIP)
extra_parts_.push_back(new ChromeContentBrowserClientTabStripPart);
#endif
#if BUILDFLAG(ENABLE_EXTENSIONS)
extra_parts_.push_back(new ChromeContentBrowserClientExtensionsPart);
#endif
extra_parts_.push_back(new ChromeContentBrowserClientPerformanceManagerPart);
}
ChromeContentBrowserClient::~ChromeContentBrowserClient() {
for (int i = static_cast<int>(extra_parts_.size()) - 1; i >= 0; --i)
delete extra_parts_[i];
extra_parts_.clear();
}
// static
void ChromeContentBrowserClient::RegisterLocalStatePrefs(
PrefRegistrySimple* registry) {
registry->RegisterFilePathPref(prefs::kDiskCacheDir, base::FilePath());
registry->RegisterIntegerPref(prefs::kDiskCacheSize, 0);
registry->RegisterStringPref(prefs::kIsolateOrigins, std::string());
registry->RegisterBooleanPref(prefs::kSitePerProcess, false);
registry->RegisterBooleanPref(prefs::kTabFreezingEnabled, true);
}
// static
void ChromeContentBrowserClient::RegisterProfilePrefs(
user_prefs::PrefRegistrySyncable* registry) {
registry->RegisterBooleanPref(prefs::kDisable3DAPIs, false);
registry->RegisterBooleanPref(prefs::kEnableHyperlinkAuditing, true);
// Register user prefs for mapping SitePerProcess and IsolateOrigins in
// user policy in addition to the same named ones in Local State (which are
// used for mapping the command-line flags).
registry->RegisterStringPref(prefs::kIsolateOrigins, std::string());
registry->RegisterBooleanPref(prefs::kSitePerProcess, false);
registry->RegisterListPref(
site_isolation::prefs::kUserTriggeredIsolatedOrigins);
registry->RegisterDictionaryPref(
site_isolation::prefs::kWebTriggeredIsolatedOrigins);
registry->RegisterDictionaryPref(
prefs::kDevToolsBackgroundServicesExpirationDict);
registry->RegisterBooleanPref(prefs::kSignedHTTPExchangeEnabled, true);
#if !defined(OS_ANDROID)
registry->RegisterBooleanPref(prefs::kAutoplayAllowed, false);
registry->RegisterListPref(prefs::kAutoplayWhitelist);
registry->RegisterIntegerPref(prefs::kFetchKeepaliveDurationOnShutdown, 0);
registry->RegisterBooleanPref(
prefs::kSharedArrayBufferUnrestrictedAccessAllowed, false);
#endif
registry->RegisterBooleanPref(
prefs::kCrossOriginWebAssemblyModuleSharingEnabled, true);
registry->RegisterBooleanPref(prefs::kDisplayCapturePermissionsPolicyEnabled,
true);
registry->RegisterBooleanPref(prefs::kSSLErrorOverrideAllowed, true);
registry->RegisterListPref(prefs::kSSLErrorOverrideAllowedForOrigins);
registry->RegisterBooleanPref(
prefs::kSuppressDifferentOriginSubframeJSDialogs, true);
#if defined(OS_ANDROID)
registry->RegisterBooleanPref(prefs::kWebXRImmersiveArEnabled, true);
#endif
}
// static
void ChromeContentBrowserClient::SetApplicationLocale(
const std::string& locale) {
// The common case is that this function is called early in Chrome startup
// before any threads are created or registered. When there are no threads,
// we can just set the string without worrying about threadsafety.
if (!BrowserThread::IsThreadInitialized(BrowserThread::IO)) {
GetIOThreadApplicationLocale() = locale;
return;
}
// Otherwise we're being called to change the locale. In this case set it on
// the IO thread.
DCHECK_CURRENTLY_ON(BrowserThread::UI);
content::GetIOThreadTaskRunner({})->PostTask(
FROM_HERE, base::BindOnce(&SetApplicationLocaleOnIOThread, locale));
}
std::unique_ptr<content::BrowserMainParts>
ChromeContentBrowserClient::CreateBrowserMainParts(
const content::MainFunctionParams& parameters) {
std::unique_ptr<ChromeBrowserMainParts> main_parts;
// Construct the Main browser parts based on the OS type.
#if defined(OS_WIN)
main_parts =
std::make_unique<ChromeBrowserMainPartsWin>(parameters, &startup_data_);
#elif defined(OS_MAC)
main_parts =
std::make_unique<ChromeBrowserMainPartsMac>(parameters, &startup_data_);
#elif BUILDFLAG(IS_CHROMEOS_ASH)
main_parts = std::make_unique<chromeos::ChromeBrowserMainPartsChromeos>(
parameters, &startup_data_);
#elif BUILDFLAG(IS_CHROMEOS_LACROS)
main_parts = std::make_unique<ChromeBrowserMainPartsLacros>(parameters,
&startup_data_);
#elif defined(OS_LINUX) || BUILDFLAG(IS_CHROMEOS_LACROS)
main_parts =
std::make_unique<ChromeBrowserMainPartsLinux>(parameters, &startup_data_);
#elif defined(OS_ANDROID)
main_parts = std::make_unique<ChromeBrowserMainPartsAndroid>(parameters,
&startup_data_);
#elif defined(OS_POSIX)
main_parts =
std::make_unique<ChromeBrowserMainPartsPosix>(parameters, &startup_data_);
#elif defined(OS_FUCHSIA)
main_parts = std::make_unique<ChromeBrowserMainPartsFuchsia>(parameters,
&startup_data_);
#else
NOTREACHED();
main_parts =
std::make_unique<ChromeBrowserMainParts>(parameters, &startup_data_);
#endif
bool add_profiles_extra_parts = true;
#if defined(OS_ANDROID)
if (startup_data_.HasBuiltProfilePrefService())
add_profiles_extra_parts = false;
#endif
if (add_profiles_extra_parts)
chrome::AddProfilesExtraParts(main_parts.get());
// Construct additional browser parts. Stages are called in the order in
// which they are added.
#if defined(TOOLKIT_VIEWS)
#if BUILDFLAG(IS_CHROMEOS_LACROS)
main_parts->AddParts(
std::make_unique<ChromeBrowserMainExtraPartsViewsLacros>());
// TODO(crbug.com/1052397): Revisit the macro expression once build flag switch
// of lacros-chrome is complete.
#elif defined(OS_LINUX) || BUILDFLAG(IS_CHROMEOS_LACROS)
main_parts->AddParts(
std::make_unique<ChromeBrowserMainExtraPartsViewsLinux>());
#else
main_parts->AddParts(std::make_unique<ChromeBrowserMainExtraPartsViews>());
#endif
#endif
#if BUILDFLAG(IS_CHROMEOS_ASH)
// TODO(jamescook): Combine with ChromeBrowserMainPartsChromeos.
main_parts->AddParts(std::make_unique<ChromeBrowserMainExtraPartsAsh>());
#endif
#if BUILDFLAG(IS_CHROMEOS_LACROS)
main_parts->AddParts(std::make_unique<ChromeBrowserMainExtraPartsLacros>());
#endif
#if defined(USE_X11) || defined(USE_OZONE)
main_parts->AddParts(std::make_unique<ChromeBrowserMainExtraPartsOzone>());
#endif
main_parts->AddParts(
std::make_unique<ChromeBrowserMainExtraPartsPerformanceMonitor>());
main_parts->AddParts(
std::make_unique<ChromeBrowserMainExtraPartsPerformanceManager>());
main_parts->AddParts(
std::make_unique<ChromeBrowserMainExtraPartsProfiling>());
main_parts->AddParts(std::make_unique<ChromeBrowserMainExtraPartsMemory>());
chrome::AddMetricsExtraParts(main_parts.get());
// Always add ChromeBrowserMainExtraPartsGpu last to make sure
// GpuDataManager initialization could pick up about:flags settings.
main_parts->AddParts(std::make_unique<ChromeBrowserMainExtraPartsGpu>());
return main_parts;
}
void ChromeContentBrowserClient::PostAfterStartupTask(
const base::Location& from_here,
const scoped_refptr<base::SequencedTaskRunner>& task_runner,
base::OnceClosure task) {
AfterStartupTaskUtils::PostTask(from_here, task_runner, std::move(task));
InitNetworkContextsParentDirectory();
DCHECK_CURRENTLY_ON(BrowserThread::UI);
safe_browsing_service_ = g_browser_process->safe_browsing_service();
}
bool ChromeContentBrowserClient::IsBrowserStartupComplete() {
return AfterStartupTaskUtils::IsBrowserStartupComplete();
}
void ChromeContentBrowserClient::SetBrowserStartupIsCompleteForTesting() {
AfterStartupTaskUtils::SetBrowserStartupIsCompleteForTesting();
}
bool ChromeContentBrowserClient::IsShuttingDown() {
return browser_shutdown::HasShutdownStarted();
}
content::StoragePartitionId
ChromeContentBrowserClient::GetStoragePartitionIdForSite(
content::BrowserContext* browser_context,
const GURL& site) {
// The partition ID for webview guest processes is the string value of its
// SiteInstance URL - "chrome-guest://app_id/persist?partition".
if (site.SchemeIs(content::kGuestScheme))
return content::StoragePartitionId(
site.spec(), GetStoragePartitionConfigForSite(browser_context, site));
#if BUILDFLAG(ENABLE_EXTENSIONS)
// The partition ID for extensions with isolated storage is treated similarly
// to the above.
else if (extensions::util::IsExtensionSiteWithIsolatedStorage(
site, browser_context))
return content::StoragePartitionId(
site.spec(), GetStoragePartitionConfigForSite(browser_context, site));
#endif
return content::StoragePartitionId(browser_context);
}
content::StoragePartitionConfig
ChromeContentBrowserClient::GetStoragePartitionConfigForSite(
content::BrowserContext* browser_context,
const GURL& site) {
// Default to the browser-wide storage partition and override based on |site|
// below.
content::StoragePartitionConfig storage_partition_config =
content::StoragePartitionConfig::CreateDefault(browser_context);
#if BUILDFLAG(ENABLE_EXTENSIONS)
if (extensions::WebViewGuest::GetGuestPartitionConfigForSite(
browser_context, site, &storage_partition_config)) {
return storage_partition_config;
}
if (site.SchemeIs(extensions::kExtensionScheme)) {
// The host in an extension site URL is the extension_id.
CHECK(site.has_host());
return extensions::util::GetStoragePartitionConfigForExtensionId(
site.host(), browser_context);
}
#endif
return storage_partition_config;
}
content::WebContentsViewDelegate*
ChromeContentBrowserClient::GetWebContentsViewDelegate(
content::WebContents* web_contents) {
if (auto* registry =
performance_manager::PerformanceManagerRegistry::GetInstance()) {
registry->MaybeCreatePageNodeForWebContents(web_contents);
}
return CreateWebContentsViewDelegate(web_contents);
}
bool ChromeContentBrowserClient::AllowGpuLaunchRetryOnIOThread() {
#if defined(OS_ANDROID)
const base::android::ApplicationState app_state =
base::android::ApplicationStatusListener::GetState();
return base::android::APPLICATION_STATE_UNKNOWN == app_state ||
base::android::APPLICATION_STATE_HAS_RUNNING_ACTIVITIES == app_state ||
base::android::APPLICATION_STATE_HAS_PAUSED_ACTIVITIES == app_state;
#else
return true;
#endif
}
void ChromeContentBrowserClient::RenderProcessWillLaunch(
content::RenderProcessHost* host) {
Profile* profile = Profile::FromBrowserContext(host->GetBrowserContext());
WebRtcLoggingController::AttachToRenderProcessHost(
host, g_browser_process->webrtc_log_uploader());
// The audio manager outlives the host, so it's safe to hand a raw pointer to
// it to the AudioDebugRecordingsHandler, which is owned by the host.
AudioDebugRecordingsHandler* audio_debug_recordings_handler =
new AudioDebugRecordingsHandler(profile);
host->SetUserData(
AudioDebugRecordingsHandler::kAudioDebugRecordingsHandlerKey,
std::make_unique<base::UserDataAdapter<AudioDebugRecordingsHandler>>(
audio_debug_recordings_handler));
#if BUILDFLAG(ENABLE_NACL)
host->AddFilter(new nacl::NaClHostMessageFilter(
host->GetID(), profile->IsOffTheRecord(), profile->GetPath()));
#endif
#if defined(OS_ANDROID)
// Data cannot be persisted if the profile is off the record.
host->AddFilter(
new cdm::CdmMessageFilterAndroid(!profile->IsOffTheRecord(), false));
// Register CrashMemoryMetricsCollector to report oom related metrics.
host->SetUserData(
CrashMemoryMetricsCollector::kCrashMemoryMetricsCollectorKey,
std::make_unique<CrashMemoryMetricsCollector>(host));
#endif
Profile* original_profile = profile->GetOriginalProfile();
RendererUpdaterFactory::GetForProfile(original_profile)
->InitializeRenderer(host);
for (size_t i = 0; i < extra_parts_.size(); ++i)
extra_parts_[i]->RenderProcessWillLaunch(host);
}
GURL ChromeContentBrowserClient::GetEffectiveURL(
content::BrowserContext* browser_context,
const GURL& url) {
Profile* profile = Profile::FromBrowserContext(browser_context);
if (!profile)
return url;
#if !defined(OS_ANDROID)
// If the input |url| should be assigned to the Instant renderer, make its
// effective URL distinct from other URLs on the search provider's domain.
// This needs to happen even if |url| corresponds to an isolated origin; see
// https://crbug.com/755595.
if (search::ShouldAssignURLToInstantRenderer(url, profile))
return search::GetEffectiveURLForInstant(url, profile);
#endif
#if BUILDFLAG(ENABLE_EXTENSIONS)
return ChromeContentBrowserClientExtensionsPart::GetEffectiveURL(profile,
url);
#else
return url;
#endif
}
bool ChromeContentBrowserClient::
ShouldCompareEffectiveURLsForSiteInstanceSelection(
content::BrowserContext* browser_context,
content::SiteInstance* candidate_site_instance,
bool is_main_frame,
const GURL& candidate_url,
const GURL& destination_url) {
DCHECK(browser_context);
DCHECK(candidate_site_instance);
#if BUILDFLAG(ENABLE_EXTENSIONS)
return ChromeContentBrowserClientExtensionsPart::
ShouldCompareEffectiveURLsForSiteInstanceSelection(
browser_context, candidate_site_instance, is_main_frame,
candidate_url, destination_url);
#else
return true;
#endif
}
bool ChromeContentBrowserClient::ShouldUseMobileFlingCurve() {
#if defined(OS_ANDROID)
return true;
#elif BUILDFLAG(IS_CHROMEOS_ASH)
return ash::TabletMode::Get() && ash::TabletMode::Get()->InTabletMode();
#else
return false;
#endif // defined(OS_ANDROID)
}
bool ChromeContentBrowserClient::ShouldUseProcessPerSite(
content::BrowserContext* browser_context,
const GURL& site_url) {
Profile* profile = Profile::FromBrowserContext(browser_context);
if (!profile)
return false;
// NTP should use process-per-site. This is a performance optimization to
// reduce process count associated with NTP tabs.
if (site_url == GURL(chrome::kChromeUINewTabURL) ||
site_url == GURL(chrome::kChromeUINewTabPageURL)) {
return true;
}
// The web footer experiment should share its renderer to not effectively
// instantiate one per window. See https://crbug.com/993502.
if (site_url == GURL(chrome::kChromeUIWebFooterExperimentURL))
return true;
#if !defined(OS_ANDROID)
if (search::ShouldUseProcessPerSiteForInstantSiteURL(site_url, profile))
return true;
#endif
#if BUILDFLAG(ENABLE_EXTENSIONS)
if (ChromeContentBrowserClientExtensionsPart::ShouldUseProcessPerSite(
profile, site_url))
return true;
#endif
// Non-extension, non-NTP URLs should generally use process-per-site-instance
// (rather than process-per-site).
return false;
}
bool ChromeContentBrowserClient::ShouldUseSpareRenderProcessHost(
content::BrowserContext* browser_context,
const GURL& site_url) {
Profile* profile = Profile::FromBrowserContext(browser_context);
if (!profile)
return false;
// Top Chrome WebUI should share a RendererProcessHost. Return false here to
// ensure the Spare Renderer is not assigned.
if (IsTopChromeWebUIURL(site_url))
return false;
#if !defined(OS_ANDROID)
// Instant renderers should not use a spare process, because they require
// passing switches::kInstantProcess to the renderer process when it
// launches. A spare process is launched earlier, before it is known which
// navigation will use it, so it lacks this flag.
if (search::ShouldAssignURLToInstantRenderer(site_url, profile))
return false;
#endif
#if BUILDFLAG(ENABLE_EXTENSIONS)
return ChromeContentBrowserClientExtensionsPart::
ShouldUseSpareRenderProcessHost(profile, site_url);
#else
return true;
#endif
}
bool ChromeContentBrowserClient::DoesSiteRequireDedicatedProcess(
content::BrowserContext* browser_context,
const GURL& effective_site_url) {
DCHECK_CURRENTLY_ON(content::BrowserThread::UI);
#if BUILDFLAG(ENABLE_EXTENSIONS)
if (ChromeContentBrowserClientExtensionsPart::DoesSiteRequireDedicatedProcess(
browser_context, effective_site_url)) {
return true;
}
#endif
return false;
}
bool ChromeContentBrowserClient::ShouldLockProcessToSite(
content::BrowserContext* browser_context,
const GURL& effective_site_url) {
#if BUILDFLAG(ENABLE_EXTENSIONS)
if (!ChromeContentBrowserClientExtensionsPart::ShouldLockProcessToSite(
browser_context, effective_site_url)) {
return false;
}
#endif
return true;
}
bool ChromeContentBrowserClient::DoesWebUISchemeRequireProcessLock(
base::StringPiece scheme) {
// Note: This method can be called from multiple threads. It is not safe to
// assume it runs only on the UI thread.
// chrome-search: documents commit only in the NTP instant process and are not
// locked to chrome-search: origin. Locking to chrome-search would kill
// processes upon legitimate requests for cookies from the search engine's
// domain.
if (scheme == chrome::kChromeSearchScheme)
return false;
// All other WebUIs must be locked to origin.
return true;
}
bool ChromeContentBrowserClient::ShouldTreatURLSchemeAsFirstPartyWhenTopLevel(
base::StringPiece scheme,
bool is_embedded_origin_secure) {
// This is needed to bypass the normal SameSite rules for any chrome:// page
// embedding a secure origin, regardless of the registrable domains of any
// intervening frames. For example, this is needed for browser UI to interact
// with SameSite cookies on accounts.google.com, which are used for logging
// into Cloud Print from chrome://print, for displaying a list of available
// accounts on the NTP (chrome://new-tab-page), etc.
if (is_embedded_origin_secure && scheme == content::kChromeUIScheme)
return true;
#if BUILDFLAG(ENABLE_EXTENSIONS)
return scheme == extensions::kExtensionScheme;
#else
return false;
#endif
}
bool ChromeContentBrowserClient::
ShouldIgnoreSameSiteCookieRestrictionsWhenTopLevel(
base::StringPiece scheme,
bool is_embedded_origin_secure) {
return is_embedded_origin_secure && scheme == content::kChromeUIScheme;
}
// TODO(crbug.com/1087559): This is based on SubframeTask::GetTitle()
// implementation. Find a general solution to avoid code duplication.
std::string ChromeContentBrowserClient::GetSiteDisplayNameForCdmProcess(
content::BrowserContext* browser_context,
const GURL& site_url) {
// By default, use the |site_url| spec as the display name.
std::string name = site_url.spec();
#if BUILDFLAG(ENABLE_EXTENSIONS)
// If |site_url| wraps a chrome extension ID, we can display the extension
// name instead, which is more human-readable.
if (site_url.SchemeIs(extensions::kExtensionScheme)) {
const extensions::Extension* extension =
extensions::ExtensionRegistry::Get(browser_context)
->enabled_extensions()
.GetExtensionOrAppByURL(site_url);
if (extension)
name = extension->name();
}
#endif // BUILDFLAG(ENABLE_EXTENSIONS)
return name;
}
void ChromeContentBrowserClient::OverrideURLLoaderFactoryParams(
content::BrowserContext* browser_context,
const url::Origin& origin,
bool is_for_isolated_world,
network::mojom::URLLoaderFactoryParams* factory_params) {
#if BUILDFLAG(ENABLE_EXTENSIONS)
ChromeContentBrowserClientExtensionsPart::OverrideURLLoaderFactoryParams(
browser_context, origin, is_for_isolated_world, factory_params);
#endif
}
// These are treated as WebUI schemes but do not get WebUI bindings. Also,
// view-source is allowed for these schemes.
void ChromeContentBrowserClient::GetAdditionalWebUISchemes(
std::vector<std::string>* additional_schemes) {
additional_schemes->emplace_back(chrome::kChromeSearchScheme);
additional_schemes->emplace_back(dom_distiller::kDomDistillerScheme);
additional_schemes->emplace_back(content::kChromeDevToolsScheme);
}
void ChromeContentBrowserClient::GetAdditionalViewSourceSchemes(
std::vector<std::string>* additional_schemes) {
GetAdditionalWebUISchemes(additional_schemes);
#if BUILDFLAG(ENABLE_EXTENSIONS)
additional_schemes->push_back(extensions::kExtensionScheme);
#endif
}
network::mojom::IPAddressSpace
ChromeContentBrowserClient::DetermineAddressSpaceFromURL(const GURL& url) {
if (url.SchemeIs(chrome::kChromeSearchScheme))
return network::mojom::IPAddressSpace::kLocal;
if (url.SchemeIs(dom_distiller::kDomDistillerScheme))
return network::mojom::IPAddressSpace::kPublic;
#if BUILDFLAG(ENABLE_EXTENSIONS)
if (url.SchemeIs(extensions::kExtensionScheme))
return network::mojom::IPAddressSpace::kLocal;
#endif
return network::mojom::IPAddressSpace::kUnknown;
}
bool ChromeContentBrowserClient::LogWebUIUrl(const GURL& web_ui_url) {
return webui::LogWebUIUrl(web_ui_url);
}
bool ChromeContentBrowserClient::IsWebUIAllowedToMakeNetworkRequests(
const url::Origin& origin) {
return ChromeWebUIControllerFactory::IsWebUIAllowedToMakeNetworkRequests(
origin);
}
bool ChromeContentBrowserClient::IsHandledURL(const GURL& url) {
return ProfileIOData::IsHandledURL(url);
}
bool ChromeContentBrowserClient::HasCustomSchemeHandler(
content::BrowserContext* browser_context,
const std::string& scheme) {
if (ProtocolHandlerRegistry* protocol_handler_registry =
ProtocolHandlerRegistryFactory::GetForBrowserContext(
browser_context)) {
return protocol_handler_registry->IsHandledProtocol(scheme);
}
return false;
}
bool ChromeContentBrowserClient::CanCommitURL(
content::RenderProcessHost* process_host,
const GURL& url) {
#if BUILDFLAG(ENABLE_EXTENSIONS)
return ChromeContentBrowserClientExtensionsPart::CanCommitURL(process_host,
url);
#else
return true;
#endif
}
void ChromeContentBrowserClient::OverrideNavigationParams(
SiteInstance* site_instance,
ui::PageTransition* transition,
bool* is_renderer_initiated,
content::Referrer* referrer,
absl::optional<url::Origin>* initiator_origin) {
DCHECK(transition);
DCHECK(is_renderer_initiated);
DCHECK(referrer);
// While using SiteInstance::GetSiteURL() is unreliable and the wrong thing to
// use for making security decisions 99.44% of the time, for detecting the NTP
// it is reliable and the correct way. See http://crbug.com/624410.
if (site_instance && search::IsNTPURL(site_instance->GetSiteURL()) &&
ui::PageTransitionCoreTypeIs(*transition, ui::PAGE_TRANSITION_LINK)) {
// Clicks on tiles of the new tab page should be treated as if a user
// clicked on a bookmark. This is consistent with native implementations
// like Android's. This also helps ensure that security features (like
// Sec-Fetch-Site and SameSite-cookies) will treat the navigation as
// browser-initiated.
*transition = ui::PAGE_TRANSITION_AUTO_BOOKMARK;
*is_renderer_initiated = false;
*referrer = content::Referrer();
*initiator_origin = absl::nullopt;
}
}
bool ChromeContentBrowserClient::ShouldStayInParentProcessForNTP(
const GURL& url,
SiteInstance* parent_site_instance) {
// While using SiteInstance::GetSiteURL() is unreliable and the wrong thing to
// use for making security decisions 99.44% of the time, for detecting the NTP
// it is reliable and the correct way. See http://crbug.com/624410.
return url.SchemeIs(chrome::kChromeSearchScheme) && parent_site_instance &&
search::IsNTPURL(parent_site_instance->GetSiteURL());
}
bool ChromeContentBrowserClient::IsSuitableHost(
content::RenderProcessHost* process_host,
const GURL& site_url) {
Profile* profile =
Profile::FromBrowserContext(process_host->GetBrowserContext());
// This may be nullptr during tests. In that case, just assume any site can
// share any host.
if (!profile)
return true;
#if !defined(OS_ANDROID)
// Instant URLs should only be in the instant process and instant process
// should only have Instant URLs.
InstantService* instant_service =
InstantServiceFactory::GetForProfile(profile);
if (instant_service) {
bool is_instant_process =
instant_service->IsInstantProcess(process_host->GetID());
bool should_be_in_instant_process =
search::ShouldAssignURLToInstantRenderer(site_url, profile);
if (is_instant_process || should_be_in_instant_process)
return is_instant_process && should_be_in_instant_process;
}
#endif
#if BUILDFLAG(ENABLE_EXTENSIONS)
return ChromeContentBrowserClientExtensionsPart::IsSuitableHost(
profile, process_host, site_url);
#else
return true;
#endif
}
bool ChromeContentBrowserClient::MayReuseHost(
content::RenderProcessHost* process_host) {
// If there is currently a no-state prefetcher in progress for the host
// provided, it may not be shared. We require prefetchers to be by themselves
// in a separate process so that we can monitor their resource usage.
prerender::NoStatePrefetchManager* no_state_prefetch_manager =
prerender::NoStatePrefetchManagerFactory::GetForBrowserContext(
process_host->GetBrowserContext());
if (no_state_prefetch_manager &&
!no_state_prefetch_manager->MayReuseProcessHost(process_host)) {
return false;
}
return true;
}
size_t ChromeContentBrowserClient::GetProcessCountToIgnoreForLimit() {
#if BUILDFLAG(ENABLE_EXTENSIONS)
return ChromeContentBrowserClientExtensionsPart::
GetProcessCountToIgnoreForLimit();
#else
return 0;
#endif
}
bool ChromeContentBrowserClient::ShouldTryToUseExistingProcessHost(
content::BrowserContext* browser_context,
const GURL& url) {
// It has to be a valid URL for us to check for an extension.
if (!url.is_valid())
return false;
// Top Chrome WebUI should try to share a RenderProcessHost with other
// existing Top Chrome WebUI.
if (IsTopChromeWebUIURL(url))
return true;
#if BUILDFLAG(ENABLE_EXTENSIONS)
Profile* profile = Profile::FromBrowserContext(browser_context);
return ChromeContentBrowserClientExtensionsPart::
ShouldTryToUseExistingProcessHost(profile, url);
#else
return false;
#endif
}
bool ChromeContentBrowserClient::ShouldSubframesTryToReuseExistingProcess(
content::RenderFrameHost* main_frame) {
#if BUILDFLAG(ENABLE_EXTENSIONS)
return ChromeContentBrowserClientExtensionsPart::
ShouldSubframesTryToReuseExistingProcess(main_frame);
#else
return true;
#endif
}
void ChromeContentBrowserClient::SiteInstanceGotProcess(
SiteInstance* site_instance) {
CHECK(site_instance->HasProcess());
Profile* profile =
Profile::FromBrowserContext(site_instance->GetBrowserContext());
if (!profile)
return;
#if !defined(OS_ANDROID)
// Remember the ID of the Instant process to signal the renderer process
// on startup in |AppendExtraCommandLineSwitches| below.
if (search::ShouldAssignURLToInstantRenderer(site_instance->GetSiteURL(),
profile)) {
InstantService* instant_service =
InstantServiceFactory::GetForProfile(profile);
if (instant_service)
instant_service->AddInstantProcess(site_instance->GetProcess()->GetID());
}
#endif
for (size_t i = 0; i < extra_parts_.size(); ++i)
extra_parts_[i]->SiteInstanceGotProcess(site_instance);
}
void ChromeContentBrowserClient::SiteInstanceDeleting(
SiteInstance* site_instance) {
if (!site_instance->HasProcess())
return;
for (size_t i = 0; i < extra_parts_.size(); ++i)
extra_parts_[i]->SiteInstanceDeleting(site_instance);
}
bool ChromeContentBrowserClient::ShouldSwapBrowsingInstancesForNavigation(
SiteInstance* site_instance,
const GURL& current_effective_url,
const GURL& destination_effective_url) {
#if BUILDFLAG(ENABLE_EXTENSIONS)
return ChromeContentBrowserClientExtensionsPart::
ShouldSwapBrowsingInstancesForNavigation(
site_instance, current_effective_url, destination_effective_url);
#else
return false;
#endif
}
bool ChromeContentBrowserClient::ShouldIsolateErrorPage(bool in_main_frame) {
// TODO(nasko): Consider supporting error page isolation in subframes if
// Site Isolation is enabled.
return in_main_frame;
}
bool ChromeContentBrowserClient::ShouldAssignSiteForURL(const GURL& url) {
return !url.SchemeIs(chrome::kChromeNativeScheme);
}
std::vector<url::Origin>
ChromeContentBrowserClient::GetOriginsRequiringDedicatedProcess() {
std::vector<url::Origin> isolated_origin_list;
// Sign-in process isolation is not needed on Android, see
// https://crbug.com/739418.
#if !defined(OS_ANDROID)
isolated_origin_list.push_back(
url::Origin::Create(GaiaUrls::GetInstance()->gaia_url()));
#endif
#if BUILDFLAG(ENABLE_EXTENSIONS)
auto origins_from_extensions = ChromeContentBrowserClientExtensionsPart::
GetOriginsRequiringDedicatedProcess();
std::move(std::begin(origins_from_extensions),
std::end(origins_from_extensions),
std::back_inserter(isolated_origin_list));
#endif
// Include additional origins preloaded with specific browser configurations,
// if any. For example, this is used on Google Chrome for Android to preload
// a list of important sites to isolate.
auto built_in_origins =
site_isolation::GetBrowserSpecificBuiltInIsolatedOrigins();
std::move(std::begin(built_in_origins), std::end(built_in_origins),
std::back_inserter(isolated_origin_list));
return isolated_origin_list;
}
bool ChromeContentBrowserClient::ShouldEnableStrictSiteIsolation() {
return base::FeatureList::IsEnabled(features::kSitePerProcess);
}
bool ChromeContentBrowserClient::ShouldDisableSiteIsolation() {
return site_isolation::SiteIsolationPolicy::
ShouldDisableSiteIsolationDueToMemoryThreshold();
}
std::vector<std::string>
ChromeContentBrowserClient::GetAdditionalSiteIsolationModes() {
std::vector<std::string> modes;
if (site_isolation::SiteIsolationPolicy::IsIsolationForPasswordSitesEnabled())
modes.push_back("Password Sites");
if (site_isolation::SiteIsolationPolicy::IsIsolationForOAuthSitesEnabled())
modes.push_back("Logged-in Sites");
return modes;
}
void ChromeContentBrowserClient::PersistIsolatedOrigin(
content::BrowserContext* context,
const url::Origin& origin,
content::ChildProcessSecurityPolicy::IsolatedOriginSource source) {
site_isolation::SiteIsolationPolicy::PersistIsolatedOrigin(context, origin,
source);
}
bool ChromeContentBrowserClient::IsFileAccessAllowed(
const base::FilePath& path,
const base::FilePath& absolute_path,
const base::FilePath& profile_path) {
return ChromeNetworkDelegate::IsAccessAllowed(path, absolute_path,
profile_path);
}
namespace {
void MaybeAppendBlinkSettingsSwitchForFieldTrial(
const base::CommandLine& browser_command_line,
base::CommandLine* command_line) {
// List of field trials that modify the blink-settings command line flag. No
// two field trials in the list should specify the same keys, otherwise one
// field trial may overwrite another. See Source/core/frame/Settings.in in
// Blink for the list of valid keys.
static const char* const kBlinkSettingsFieldTrials[] = {
// Keys: disallowFetchForDocWrittenScriptsInMainFrame
// disallowFetchForDocWrittenScriptsInMainFrameOnSlowConnections
// disallowFetchForDocWrittenScriptsInMainFrameIfEffectively2G
"DisallowFetchForDocWrittenScriptsInMainFrame",
};
std::vector<std::string> blink_settings;
for (const char* field_trial_name : kBlinkSettingsFieldTrials) {
// Each blink-settings field trial should include a forcing_flag group,
// to make sure that clients that specify the blink-settings flag on the
// command line are excluded from the experiment groups. To make
// sure we assign clients that specify this flag to the forcing_flag
// group, we must call GetVariationParams for each field trial first
// (for example, before checking HasSwitch() and returning), since
// GetVariationParams has the side-effect of assigning the client to
// a field trial group.
std::map<std::string, std::string> params;
if (variations::GetVariationParams(field_trial_name, &params)) {
for (const auto& param : params) {
blink_settings.push_back(base::StringPrintf(
"%s=%s", param.first.c_str(), param.second.c_str()));
}
}
}
if (blink_settings.empty()) {
return;
}
if (browser_command_line.HasSwitch(blink::switches::kBlinkSettings) ||
command_line->HasSwitch(blink::switches::kBlinkSettings)) {
// The field trials should be configured to force users that specify the
// blink-settings flag into a group with no params, and we return
// above if no params were specified, so it's an error if we reach
// this point.
LOG(WARNING) << "Received field trial params, "
"but blink-settings switch already specified.";
return;
}
command_line->AppendSwitchASCII(blink::switches::kBlinkSettings,
base::JoinString(blink_settings, ","));
}
} // namespace
void ChromeContentBrowserClient::AppendExtraCommandLineSwitches(
base::CommandLine* command_line,
int child_process_id) {
#if defined(OS_MAC)
std::unique_ptr<metrics::ClientInfo> client_info =
GoogleUpdateSettings::LoadMetricsClientInfo();
if (client_info) {
command_line->AppendSwitchASCII(switches::kMetricsClientID,
client_info->client_id);
}
#elif defined(OS_POSIX)
#if defined(OS_ANDROID)
bool enable_crash_reporter = true;
#else
bool enable_crash_reporter = false;
if (crash_reporter::IsCrashpadEnabled()) {
command_line->AppendSwitch(switches::kEnableCrashpad);
enable_crash_reporter = true;
int fd;
pid_t pid;
if (crash_reporter::GetHandlerSocket(&fd, &pid)) {
command_line->AppendSwitchASCII(
crash_reporter::switches::kCrashpadHandlerPid,
base::NumberToString(pid));
}
} else {
enable_crash_reporter = breakpad::IsCrashReporterEnabled();
}
#endif
if (enable_crash_reporter) {
std::string switch_value;
std::unique_ptr<metrics::ClientInfo> client_info =
GoogleUpdateSettings::LoadMetricsClientInfo();
if (client_info)
switch_value = client_info->client_id;
switch_value.push_back(',');
switch_value.append(
chrome::GetChannelName(chrome::WithExtendedStable(true)));
command_line->AppendSwitchASCII(switches::kEnableCrashReporter,
switch_value);
}
#endif
if (logging::DialogsAreSuppressed())
command_line->AppendSwitch(switches::kNoErrorDialogs);
std::string process_type =
command_line->GetSwitchValueASCII(switches::kProcessType);
const base::CommandLine& browser_command_line =
*base::CommandLine::ForCurrentProcess();
static const char* const kCommonSwitchNames[] = {
embedder_support::kUserAgent,
switches::kUserDataDir, // Make logs go to the right file.
};
command_line->CopySwitchesFrom(browser_command_line, kCommonSwitchNames,
base::size(kCommonSwitchNames));
static const char* const kDinosaurEasterEggSwitches[] = {
error_page::switches::kDisableDinosaurEasterEgg,
};
command_line->CopySwitchesFrom(browser_command_line,
kDinosaurEasterEggSwitches,
base::size(kDinosaurEasterEggSwitches));
#if BUILDFLAG(IS_CHROMEOS_ASH)
// On Chrome OS need to pass primary user homedir (in multi-profiles session).
base::FilePath homedir;
base::PathService::Get(base::DIR_HOME, &homedir);
command_line->AppendSwitchASCII(chromeos::switches::kHomedir,
homedir.value().c_str());
#endif
if (process_type == switches::kRendererProcess) {
content::RenderProcessHost* process =
content::RenderProcessHost::FromID(child_process_id);
Profile* profile =
process ? Profile::FromBrowserContext(process->GetBrowserContext())
: nullptr;
for (size_t i = 0; i < extra_parts_.size(); ++i) {
extra_parts_[i]->AppendExtraRendererCommandLineSwitches(command_line,
process, profile);
}
#if BUILDFLAG(IS_CHROMEOS_ASH)
const std::string& login_profile = browser_command_line.GetSwitchValueASCII(
chromeos::switches::kLoginProfile);
if (!login_profile.empty())
command_line->AppendSwitchASCII(chromeos::switches::kLoginProfile,
login_profile);
#endif
MaybeCopyDisableWebRtcEncryptionSwitch(command_line, browser_command_line,
chrome::GetChannel());
if (process) {
PrefService* prefs = profile->GetPrefs();
// Currently this pref is only registered if applied via a policy.
if (prefs->HasPrefPath(prefs::kDisable3DAPIs) &&
prefs->GetBoolean(prefs::kDisable3DAPIs)) {
// Turn this policy into a command line switch.
command_line->AppendSwitch(switches::kDisable3DAPIs);
}
#if BUILDFLAG(SAFE_BROWSING_AVAILABLE)
bool client_side_detection_enabled =
safe_browsing::IsSafeBrowsingEnabled(*prefs) &&
!base::CommandLine::ForCurrentProcess()->HasSwitch(
::switches::kDisableClientSidePhishingDetection);
#if BUILDFLAG(SAFE_BROWSING_DB_REMOTE)
client_side_detection_enabled &= base::FeatureList::IsEnabled(
safe_browsing::kClientSideDetectionForAndroid);
#endif // BUILDFLAG(SAFE_BROWSING_DB_REMOTE)
// Disable client-side phishing detection in the renderer if it is
// disabled in the Profile preferences, or by command line flag, or by not
// being enabled on Android.
if (!client_side_detection_enabled) {
command_line->AppendSwitch(
switches::kDisableClientSidePhishingDetection);
}
#endif // BUILDFLAG(SAFE_BROWSING_AVAILABLE)
if (prefs->GetBoolean(prefs::kPrintPreviewDisabled))
command_line->AppendSwitch(switches::kDisablePrintPreview);
#if !defined(OS_ANDROID)
InstantService* instant_service =
InstantServiceFactory::GetForProfile(profile);
if (instant_service &&
instant_service->IsInstantProcess(process->GetID())) {
command_line->AppendSwitch(switches::kInstantProcess);
}
// Enable SharedArrayBuffer on desktop if allowed by Enterprise Policy.
// TODO(crbug.com/1144104) Remove when migration to COOP+COEP is complete.
if (prefs->GetBoolean(
prefs::kSharedArrayBufferUnrestrictedAccessAllowed)) {
command_line->AppendSwitch(
switches::kSharedArrayBufferUnrestrictedAccessAllowed);
}
#endif
if (prefs->GetBoolean(
prefs::kCrossOriginWebAssemblyModuleSharingEnabled)) {
command_line->AppendSwitch(
switches::kCrossOriginWebAssemblyModuleSharingAllowed);
}
if (prefs->GetBoolean(prefs::kDisplayCapturePermissionsPolicyEnabled)) {
command_line->AppendSwitch(
switches::kDisplayCapturePermissionsPolicyAllowed);
}
if (prefs->HasPrefPath(prefs::kAllowDinosaurEasterEgg) &&
!prefs->GetBoolean(prefs::kAllowDinosaurEasterEgg)) {
command_line->AppendSwitch(
error_page::switches::kDisableDinosaurEasterEgg);
}
MaybeAppendSecureOriginsAllowlistSwitch(command_line);
if (prefs->HasPrefPath(prefs::kAllowSyncXHRInPageDismissal) &&
prefs->GetBoolean(prefs::kAllowSyncXHRInPageDismissal)) {
command_line->AppendSwitch(switches::kAllowSyncXHRInPageDismissal);
}
if (prefs->HasPrefPath(prefs::kScrollToTextFragmentEnabled) &&
!prefs->GetBoolean(prefs::kScrollToTextFragmentEnabled)) {
command_line->AppendSwitch(switches::kDisableScrollToTextFragment);
}
if (prefs->HasPrefPath(prefs::kAppCacheForceEnabled) &&
prefs->GetBoolean(prefs::kAppCacheForceEnabled)) {
command_line->AppendSwitch(switches::kAppCacheForceEnabled);
}
// The IntensiveWakeUpThrottling feature is typically managed via a
// base::Feature, but it has a managed policy override. The override is
// communicated to blink via a custom command-line flag. See
// PageSchedulerImpl for the other half of related logic.
PrefService* local_state = g_browser_process->local_state();
const PrefService::Preference* pref = local_state->FindPreference(
policy::policy_prefs::kIntensiveWakeUpThrottlingEnabled);
if (pref && pref->IsManaged()) {
command_line->AppendSwitchASCII(
blink::switches::kIntensiveWakeUpThrottlingPolicy,
pref->GetValue()->GetBool()
? blink::switches::kIntensiveWakeUpThrottlingPolicy_ForceEnable
: blink::switches::
kIntensiveWakeUpThrottlingPolicy_ForceDisable);
}
if (!local_state->GetBoolean(
policy::policy_prefs::kTargetBlankImpliesNoOpener)) {
command_line->AppendSwitch(
switches::kDisableTargetBlankImpliesNoOpener);
}
#if defined(OS_ANDROID)
// Communicating to content/ for BackForwardCache.
if (prefs->HasPrefPath(policy::policy_prefs::kBackForwardCacheEnabled) &&
!prefs->GetBoolean(policy::policy_prefs::kBackForwardCacheEnabled)) {
command_line->AppendSwitch(switches::kDisableBackForwardCache);
}
#endif // defined(OS_ANDROID)
}
MaybeAppendBlinkSettingsSwitchForFieldTrial(browser_command_line,
command_line);
#if defined(OS_ANDROID)
// If the platform is Android, force the distillability service on.
command_line->AppendSwitch(switches::kEnableDistillabilityService);
#endif
// Please keep this in alphabetical order.
static const char* const kSwitchNames[] = {
autofill::switches::kIgnoreAutocompleteOffForAutofill,
autofill::switches::kShowAutofillSignatures,
#if BUILDFLAG(IS_CHROMEOS_ASH)
switches::kShortMergeSessionTimeoutForTest, // For tests only.
#endif
#if BUILDFLAG(ENABLE_EXTENSIONS)
extensions::switches::kAllowHTTPBackgroundPage,
extensions::switches::kAllowLegacyExtensionManifests,
extensions::switches::kDisableExtensionsHttpThrottling,
extensions::switches::kEnableExperimentalExtensionApis,
extensions::switches::kExtensionsOnChromeURLs,
extensions::switches::kSetExtensionThrottleTestParams, // For tests only.
extensions::switches::kAllowlistedExtensionID,
#endif
switches::kAllowInsecureLocalhost,
switches::kAppsGalleryURL,
switches::kCloudPrintURL,
switches::kCloudPrintXmppEndpoint,
switches::kDisableJavaScriptHarmonyShipping,
variations::switches::kEnableBenchmarking,
switches::kEnableDistillabilityService,
switches::kEnableNaCl,
#if BUILDFLAG(ENABLE_NACL)
switches::kEnableNaClDebug,
switches::kEnableNaClNonSfiMode,
#endif
switches::kEnableNetBenchmarking,
#if BUILDFLAG(IS_CHROMEOS_ASH)
switches::kForceAppMode,
#endif
#if BUILDFLAG(ENABLE_NACL)
switches::kForcePNaClSubzero,
#endif
switches::kForceUIDirection,
switches::kIgnoreGooglePortNumbers,
switches::kJavaScriptHarmony,
switches::kEnableExperimentalWebAssemblyFeatures,
embedder_support::kOriginTrialDisabledFeatures,
embedder_support::kOriginTrialDisabledTokens,
embedder_support::kOriginTrialPublicKey,
switches::kReaderModeHeuristics,
translate::switches::kTranslateSecurityOrigin,
};
command_line->CopySwitchesFrom(browser_command_line, kSwitchNames,
base::size(kSwitchNames));
} else if (process_type == switches::kUtilityProcess) {
#if BUILDFLAG(ENABLE_EXTENSIONS)
static const char* const kSwitchNames[] = {
extensions::switches::kAllowHTTPBackgroundPage,
extensions::switches::kEnableExperimentalExtensionApis,
extensions::switches::kExtensionsOnChromeURLs,
extensions::switches::kAllowlistedExtensionID,
};
command_line->CopySwitchesFrom(browser_command_line, kSwitchNames,
base::size(kSwitchNames));
#endif
MaybeAppendSecureOriginsAllowlistSwitch(command_line);
} else if (process_type == switches::kZygoteProcess) {
// Load (in-process) Pepper plugins in-process in the zygote pre-sandbox.
#if BUILDFLAG(ENABLE_NACL)
static const char* const kSwitchNames[] = {
switches::kEnableNaClDebug,
switches::kEnableNaClNonSfiMode,
switches::kForcePNaClSubzero,
switches::kNaClDangerousNoSandboxNonSfi,
};
command_line->CopySwitchesFrom(browser_command_line, kSwitchNames,
base::size(kSwitchNames));
#endif
#if BUILDFLAG(IS_CHROMEOS_LACROS)
// Ensure zygote loads the resource bundle for the right locale.
static const char* const kMoreSwitchNames[] = {switches::kLang};
command_line->CopySwitchesFrom(browser_command_line, kMoreSwitchNames,
base::size(kMoreSwitchNames));
#endif
} else if (process_type == switches::kGpuProcess) {
// If --ignore-gpu-blocklist is passed in, don't send in crash reports
// because GPU is expected to be unreliable.
if (browser_command_line.HasSwitch(switches::kIgnoreGpuBlocklist) &&
!command_line->HasSwitch(switches::kDisableBreakpad))
command_line->AppendSwitch(switches::kDisableBreakpad);
}
#if BUILDFLAG(IS_CHROMEOS_ASH)
if (ChromeCrashReporterClient::ShouldPassCrashLoopBefore(process_type)) {
static const char* const kSwitchNames[] = {
crash_reporter::switches::kCrashLoopBefore,
};
command_line->CopySwitchesFrom(browser_command_line, kSwitchNames,
base::size(kSwitchNames));
}
#endif
ThreadProfilerConfiguration::Get()->AppendCommandLineSwitchForChildProcess(
command_line);
#if defined(OS_LINUX) || defined(OS_CHROMEOS)
// Processes may only query perf_event_open with the BPF sandbox disabled.
if (browser_command_line.HasSwitch(switches::kEnableThreadInstructionCount) &&
command_line->HasSwitch(sandbox::policy::switches::kNoSandbox)) {
command_line->AppendSwitch(switches::kEnableThreadInstructionCount);
}
// Opt into a hardened stack canary mitigation if it hasn't already been
// force-disabled.
if (!browser_command_line.HasSwitch(switches::kChangeStackGuardOnFork)) {
command_line->AppendSwitchASCII(switches::kChangeStackGuardOnFork,
switches::kChangeStackGuardOnForkEnabled);
}
#endif // defined(OS_LINUX) || defined(OS_CHROMEOS)
}
std::string
ChromeContentBrowserClient::GetApplicationClientGUIDForQuarantineCheck() {
return std::string(chrome::kApplicationClientIDStringForAVScanning);
}
download::QuarantineConnectionCallback
ChromeContentBrowserClient::GetQuarantineConnectionCallback() {
return base::BindRepeating(
&ChromeDownloadManagerDelegate::ConnectToQuarantineService);
}
std::string ChromeContentBrowserClient::GetApplicationLocale() {
if (BrowserThread::CurrentlyOn(BrowserThread::IO))
return GetIOThreadApplicationLocale();
return g_browser_process->GetApplicationLocale();
}
std::string ChromeContentBrowserClient::GetAcceptLangs(
content::BrowserContext* context) {
Profile* profile = Profile::FromBrowserContext(context);
return profile->GetPrefs()->GetString(language::prefs::kAcceptLanguages);
}
gfx::ImageSkia ChromeContentBrowserClient::GetDefaultFavicon() {
return favicon::GetDefaultFavicon().AsImageSkia();
}
bool ChromeContentBrowserClient::IsDataSaverEnabled(
content::BrowserContext* browser_context) {
if (!browser_context || browser_context->IsOffTheRecord())
return false;
Profile* profile = Profile::FromBrowserContext(browser_context);
return profile && data_reduction_proxy::DataReductionProxySettings::
IsDataSaverEnabledByUser(profile->IsOffTheRecord(),
profile->GetPrefs());
}
void ChromeContentBrowserClient::UpdateRendererPreferencesForWorker(
content::BrowserContext* browser_context,
blink::RendererPreferences* out_prefs) {
DCHECK(browser_context);
DCHECK(out_prefs);
renderer_preferences_util::UpdateFromSystemSettings(
out_prefs, Profile::FromBrowserContext(browser_context));
}
bool ChromeContentBrowserClient::AllowAppCache(
const GURL& manifest_url,
const GURL& site_for_cookies,
const absl::optional<url::Origin>& top_frame_origin,
content::BrowserContext* context) {
DCHECK_CURRENTLY_ON(BrowserThread::UI);
return embedder_support::AllowAppCache(
manifest_url, site_for_cookies, top_frame_origin,
CookieSettingsFactory::GetForProfile(Profile::FromBrowserContext(context))
.get());
}
content::AllowServiceWorkerResult
ChromeContentBrowserClient::AllowServiceWorker(
const GURL& scope,
const GURL& site_for_cookies,
const absl::optional<url::Origin>& top_frame_origin,
const GURL& script_url,
content::BrowserContext* context) {
DCHECK_CURRENTLY_ON(BrowserThread::UI);
GURL first_party_url = top_frame_origin ? top_frame_origin->GetURL() : GURL();
#if BUILDFLAG(ENABLE_EXTENSIONS)
// Check if this is an extension-related service worker, and, if so, if it's
// allowed (this can return false if, e.g., the extension is disabled).
// If it's not allowed, return immediately. We deliberately do *not* report
// to the PageSpecificContentSettings, since the service worker is blocked
// because of the extension, rather than because of the user's content
// settings.
if (!ChromeContentBrowserClientExtensionsPart::AllowServiceWorker(
scope, first_party_url, script_url, context)) {
return content::AllowServiceWorkerResult::No();
}
#endif
Profile* profile = Profile::FromBrowserContext(context);
return embedder_support::AllowServiceWorker(
scope, site_for_cookies, top_frame_origin,
CookieSettingsFactory::GetForProfile(profile).get(),
HostContentSettingsMapFactory::GetForProfile(profile));
}
bool ChromeContentBrowserClient::AllowSharedWorker(
const GURL& worker_url,
const GURL& site_for_cookies,
const absl::optional<url::Origin>& top_frame_origin,
const std::string& name,
const blink::StorageKey& storage_key,
content::BrowserContext* context,
int render_process_id,
int render_frame_id) {
DCHECK_CURRENTLY_ON(BrowserThread::UI);
// Check if cookies are allowed.
return embedder_support::AllowSharedWorker(
worker_url, site_for_cookies, top_frame_origin, name, storage_key,
render_process_id, render_frame_id,
CookieSettingsFactory::GetForProfile(Profile::FromBrowserContext(context))
.get());
}
bool ChromeContentBrowserClient::DoesSchemeAllowCrossOriginSharedWorker(
const std::string& scheme) {
#if BUILDFLAG(ENABLE_EXTENSIONS)
// Extensions are allowed to start cross-origin shared workers.
if (scheme == extensions::kExtensionScheme)
return true;
#endif
return false;
}
bool ChromeContentBrowserClient::AllowSignedExchange(
content::BrowserContext* browser_context) {
DCHECK_CURRENTLY_ON(BrowserThread::UI);
Profile* profile = Profile::FromBrowserContext(browser_context);
return profile->GetPrefs()->GetBoolean(prefs::kSignedHTTPExchangeEnabled);
}
void ChromeContentBrowserClient::AllowWorkerFileSystem(
const GURL& url,
content::BrowserContext* browser_context,
const std::vector<content::GlobalRenderFrameHostId>& render_frames,
base::OnceCallback<void(bool)> callback) {
// An empty list is passed for render_frames here since we manually notify
// PageSpecificContentSettings that the file system was accessed below.
bool allow = embedder_support::AllowWorkerFileSystem(
url, {},
CookieSettingsFactory::GetForProfile(
Profile::FromBrowserContext(browser_context))
.get());
#if BUILDFLAG(ENABLE_EXTENSIONS)
GuestPermissionRequestHelper(url, render_frames, std::move(callback), allow);
#else
FileSystemAccessed(url, render_frames, std::move(callback), allow);
#endif
}
#if BUILDFLAG(ENABLE_EXTENSIONS)
void ChromeContentBrowserClient::GuestPermissionRequestHelper(
const GURL& url,
const std::vector<content::GlobalRenderFrameHostId>& render_frames,
base::OnceCallback<void(bool)> callback,
bool allow) {
DCHECK_CURRENTLY_ON(BrowserThread::UI);
std::map<int, int> process_map;
std::map<int, int>::const_iterator it;
bool has_web_view_guest = false;
// Record access to file system for potential display in UI.
for (const auto& it : render_frames) {
if (process_map.find(it.child_id) != process_map.end())
continue;
process_map.insert(std::pair<int, int>(it.child_id, it.frame_routing_id));
if (extensions::WebViewRendererState::GetInstance()->IsGuest(it.child_id))
has_web_view_guest = true;
}
if (!has_web_view_guest) {
FileSystemAccessed(url, render_frames, std::move(callback), allow);
return;
}
DCHECK_EQ(1U, process_map.size());
it = process_map.begin();
extensions::WebViewPermissionHelper* web_view_permission_helper =
extensions::WebViewPermissionHelper::FromFrameID(it->first, it->second);
web_view_permission_helper->RequestFileSystemPermission(
url, allow,
base::BindOnce(&ChromeContentBrowserClient::FileSystemAccessed,
weak_factory_.GetWeakPtr(), url, render_frames,
std::move(callback)));
}
#endif
void ChromeContentBrowserClient::FileSystemAccessed(
const GURL& url,
const std::vector<content::GlobalRenderFrameHostId>& render_frames,
base::OnceCallback<void(bool)> callback,
bool allow) {
// Record access to file system for potential display in UI.
for (const auto& it : render_frames) {
content_settings::PageSpecificContentSettings::FileSystemAccessed(
it.child_id, it.frame_routing_id, url, !allow);
}
std::move(callback).Run(allow);
}
bool ChromeContentBrowserClient::AllowWorkerIndexedDB(
const GURL& url,
content::BrowserContext* browser_context,
const std::vector<content::GlobalRenderFrameHostId>& render_frames) {
return embedder_support::AllowWorkerIndexedDB(
url, render_frames,
CookieSettingsFactory::GetForProfile(
Profile::FromBrowserContext(browser_context))
.get());
}
bool ChromeContentBrowserClient::AllowWorkerCacheStorage(
const GURL& url,
content::BrowserContext* browser_context,
const std::vector<content::GlobalRenderFrameHostId>& render_frames) {
return embedder_support::AllowWorkerCacheStorage(
url, render_frames,
CookieSettingsFactory::GetForProfile(
Profile::FromBrowserContext(browser_context))
.get());
}
bool ChromeContentBrowserClient::AllowWorkerWebLocks(
const GURL& url,
content::BrowserContext* browser_context,
const std::vector<content::GlobalRenderFrameHostId>& render_frames) {
return embedder_support::AllowWorkerWebLocks(
url, CookieSettingsFactory::GetForProfile(
Profile::FromBrowserContext(browser_context))
.get());
}
ChromeContentBrowserClient::AllowWebBluetoothResult
ChromeContentBrowserClient::AllowWebBluetooth(
content::BrowserContext* browser_context,
const url::Origin& requesting_origin,
const url::Origin& embedding_origin) {
// TODO(crbug.com/598890): Don't disable if
// base::CommandLine::ForCurrentProcess()->
// HasSwitch(switches::kEnableWebBluetooth) is true.
if (variations::GetVariationParamValue(
permissions::PermissionContextBase::kPermissionsKillSwitchFieldStudy,
"Bluetooth") ==
permissions::PermissionContextBase::kPermissionsKillSwitchBlockedValue) {
// The kill switch is enabled for this permission. Block requests.
return AllowWebBluetoothResult::BLOCK_GLOBALLY_DISABLED;
}
const HostContentSettingsMap* const content_settings =
HostContentSettingsMapFactory::GetForProfile(
Profile::FromBrowserContext(browser_context));
if (content_settings->GetContentSetting(
requesting_origin.GetURL(), embedding_origin.GetURL(),
ContentSettingsType::BLUETOOTH_GUARD) == CONTENT_SETTING_BLOCK) {
return AllowWebBluetoothResult::BLOCK_POLICY;
}
return AllowWebBluetoothResult::ALLOW;
}
std::string ChromeContentBrowserClient::GetWebBluetoothBlocklist() {
return variations::GetVariationParamValue("WebBluetoothBlocklist",
"blocklist_additions");
}
bool ChromeContentBrowserClient::IsInterestGroupAPIAllowed(
content::BrowserContext* browser_context,
const url::Origin& top_frame_origin,
const GURL& api_url) {
Profile* profile = Profile::FromBrowserContext(browser_context);
PrivacySandboxSettings* privacy_sandbox_settings =
PrivacySandboxSettingsFactory::GetForProfile(profile);
return privacy_sandbox_settings &&
privacy_sandbox_settings->IsFledgeAllowed(top_frame_origin, api_url);
}
bool ChromeContentBrowserClient::IsConversionMeasurementOperationAllowed(
content::BrowserContext* browser_context,
ConversionMeasurementOperation operation,
const url::Origin* impression_origin,
const url::Origin* conversion_origin,
const url::Origin* reporting_origin) {
Profile* profile = Profile::FromBrowserContext(browser_context);
PrivacySandboxSettings* privacy_sandbox_settings =
PrivacySandboxSettingsFactory::GetForProfile(profile);
if (!privacy_sandbox_settings)
return false;
switch (operation) {
case ConversionMeasurementOperation::kImpression:
DCHECK(impression_origin);
DCHECK(reporting_origin);
return privacy_sandbox_settings->IsConversionMeasurementAllowed(
*impression_origin, *reporting_origin);
case ConversionMeasurementOperation::kConversion:
DCHECK(conversion_origin);
DCHECK(reporting_origin);
return privacy_sandbox_settings->IsConversionMeasurementAllowed(
*conversion_origin, *reporting_origin);
case ConversionMeasurementOperation::kReport:
DCHECK(impression_origin);
DCHECK(conversion_origin);
DCHECK(reporting_origin);
return privacy_sandbox_settings->ShouldSendConversionReport(
*impression_origin, *conversion_origin, *reporting_origin);
case ConversionMeasurementOperation::kAny:
return privacy_sandbox_settings->IsPrivacySandboxAllowed();
}
}
#if BUILDFLAG(IS_CHROMEOS_ASH)
void ChromeContentBrowserClient::OnTrustAnchorUsed(
content::BrowserContext* browser_context) {
user_manager::UserManager* user_manager = user_manager::UserManager::Get();
if (user_manager) {
const user_manager::User* user =
chromeos::ProfileHelper::Get()->GetUserByProfile(
Profile::FromBrowserContext(browser_context));
if (user && !user->username_hash().empty()) {
policy::PolicyCertServiceFactory::SetUsedPolicyCertificates(
user->GetAccountId().GetUserEmail());
}
}
}
#endif
scoped_refptr<network::SharedURLLoaderFactory>
ChromeContentBrowserClient::GetSystemSharedURLLoaderFactory() {
DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI) ||
!BrowserThread::IsThreadInitialized(BrowserThread::UI));
if (!SystemNetworkContextManager::GetInstance())
return nullptr;
return SystemNetworkContextManager::GetInstance()
->GetSharedURLLoaderFactory();
}
network::mojom::NetworkContext*
ChromeContentBrowserClient::GetSystemNetworkContext() {
DCHECK_CURRENTLY_ON(BrowserThread::UI);
DCHECK(g_browser_process->system_network_context_manager());
return g_browser_process->system_network_context_manager()->GetContext();
}
std::string ChromeContentBrowserClient::GetGeolocationApiKey() {
return google_apis::GetAPIKey();
}
device::GeolocationManager*
ChromeContentBrowserClient::GetGeolocationManager() {
#if defined(OS_MAC)
return g_browser_process->platform_part()->geolocation_manager();
#else
return nullptr;
#endif
}
#if defined(OS_ANDROID)
bool ChromeContentBrowserClient::ShouldUseGmsCoreGeolocationProvider() {
// Indicate that Chrome uses the GMS core location provider.
return true;
}
#endif
scoped_refptr<content::QuotaPermissionContext>
ChromeContentBrowserClient::CreateQuotaPermissionContext() {
return new permissions::QuotaPermissionContextImpl();
}
content::GeneratedCodeCacheSettings
ChromeContentBrowserClient::GetGeneratedCodeCacheSettings(
content::BrowserContext* context) {
base::FilePath cache_path;
chrome::GetUserCacheDirectory(context->GetPath(), &cache_path);
// If we pass 0 for size, disk_cache will pick a default size using the
// heuristics based on available disk size. These are implemented in
// disk_cache::PreferredCacheSize in net/disk_cache/cache_util.cc.
int64_t size_in_bytes = 0;
DCHECK(g_browser_process);
PrefService* local_state = g_browser_process->local_state();
if (local_state) {
size_in_bytes = local_state->GetInteger(prefs::kDiskCacheSize);
base::FilePath disk_cache_dir =
local_state->GetFilePath(prefs::kDiskCacheDir);
if (!disk_cache_dir.empty())
cache_path = disk_cache_dir.Append(cache_path.BaseName());
}
return content::GeneratedCodeCacheSettings(true, size_in_bytes, cache_path);
}
void ChromeContentBrowserClient::AllowCertificateError(
content::WebContents* web_contents,
int cert_error,
const net::SSLInfo& ssl_info,
const GURL& request_url,
bool is_main_frame_request,
bool strict_enforcement,
base::OnceCallback<void(content::CertificateRequestResultType)> callback) {
DCHECK(web_contents);
if (!is_main_frame_request) {
// A sub-resource has a certificate error. The user doesn't really
// have a context for making the right decision, so block the
// request hard, without an info bar to allow showing the insecure
// content.
if (!callback.is_null())
std::move(callback).Run(content::CERTIFICATE_REQUEST_RESULT_TYPE_DENY);
return;
}
// If the tab is being no-state prefetched, cancel the prefetcher and the
// request.
prerender::NoStatePrefetchContents* no_state_prefetch_contents =
prerender::ChromeNoStatePrefetchContentsDelegate::FromWebContents(
web_contents);
if (no_state_prefetch_contents) {
no_state_prefetch_contents->Destroy(prerender::FINAL_STATUS_SSL_ERROR);
if (!callback.is_null()) {
std::move(callback).Run(content::CERTIFICATE_REQUEST_RESULT_TYPE_CANCEL);
}
return;
}
std::move(callback).Run(content::CERTIFICATE_REQUEST_RESULT_TYPE_DENY);
return;
}
#if !defined(OS_ANDROID)
bool ChromeContentBrowserClient::ShouldDenyRequestOnCertificateError(
const GURL main_page_url) {
// Desktop Reader Mode pages should never load resources with certificate
// errors. Desktop Reader Mode is more strict about security than Reader Mode
// on Android: the desktop version has its own security indicator and
// is not downgraded to a WARNING, whereas Android will show "Not secure"
// in the omnibox (for low-end devices which show the omnibox on Reader Mode
// pages).
return main_page_url.SchemeIs(dom_distiller::kDomDistillerScheme);
}
#endif
namespace {
#if !defined(OS_ANDROID)
blink::mojom::PreferredColorScheme ToBlinkPreferredColorScheme(
ui::NativeTheme::PreferredColorScheme native_theme_scheme) {
switch (native_theme_scheme) {
case ui::NativeTheme::PreferredColorScheme::kDark:
return blink::mojom::PreferredColorScheme::kDark;
case ui::NativeTheme::PreferredColorScheme::kLight:
return blink::mojom::PreferredColorScheme::kLight;
}
NOTREACHED();
}
#endif // !defined(OS_ANDROID)
// Returns true if preferred color scheme is modified based on at least one of
// the following -
// |url| - Last committed url.
// |web_contents| - For Android based on IsNightModeEnabled().
// |native_theme| - For other platforms based on native theme scheme.
bool UpdatePreferredColorScheme(WebPreferences* web_prefs,
const GURL& url,
WebContents* web_contents,
const ui::NativeTheme* native_theme) {
auto old_preferred_color_scheme = web_prefs->preferred_color_scheme;
#if defined(OS_ANDROID)
auto* delegate = TabAndroid::FromWebContents(web_contents)
? static_cast<android::TabWebContentsDelegateAndroid*>(
web_contents->GetDelegate())
: nullptr;
if (delegate) {
web_prefs->preferred_color_scheme =
delegate->IsNightModeEnabled()
? blink::mojom::PreferredColorScheme::kDark
: blink::mojom::PreferredColorScheme::kLight;
}
#else
// Update based on native theme scheme.
web_prefs->preferred_color_scheme =
ToBlinkPreferredColorScheme(native_theme->GetPreferredColorScheme());
#endif // defined(OS_ANDROID)
bool force_light = false;
// Force a light preferred color scheme on certain URLs if kWebUIDarkMode is
// disabled; some of the UI is not yet correctly themed.
if (!base::FeatureList::IsEnabled(features::kWebUIDarkMode)) {
// Update based on last committed url.
force_light |= url.SchemeIs(content::kChromeUIScheme);
#if BUILDFLAG(ENABLE_EXTENSIONS)
force_light |= url.SchemeIs(extensions::kExtensionScheme) &&
url.host_piece() == extension_misc::kPdfExtensionId;
#endif
}
// Reauth WebUI doesn't support dark mode yet because it shares the dialog
// with GAIA web contents that is not correctly themed.
force_light |= url.SchemeIs(content::kChromeUIScheme) &&
url.host_piece() == chrome::kChromeUISigninReauthHost;
if (force_light) {
web_prefs->preferred_color_scheme =
blink::mojom::PreferredColorScheme::kLight;
}
return old_preferred_color_scheme != web_prefs->preferred_color_scheme;
}
} // namespace
base::OnceClosure ChromeContentBrowserClient::SelectClientCertificate(
content::WebContents* web_contents,
net::SSLCertRequestInfo* cert_request_info,
net::ClientCertIdentityList client_certs,
std::unique_ptr<content::ClientCertificateDelegate> delegate) {
prerender::NoStatePrefetchContents* no_state_prefetch_contents =
prerender::ChromeNoStatePrefetchContentsDelegate::FromWebContents(
web_contents);
if (no_state_prefetch_contents) {
no_state_prefetch_contents->Destroy(
prerender::FINAL_STATUS_SSL_CLIENT_CERTIFICATE_REQUESTED);
return base::OnceClosure();
}
GURL requesting_url("https://" + cert_request_info->host_and_port.ToString());
DCHECK(requesting_url.is_valid())
<< "Invalid URL string: https://"
<< cert_request_info->host_and_port.ToString();
bool may_show_cert_selection = true;
Profile* profile =
Profile::FromBrowserContext(web_contents->GetBrowserContext());
#if BUILDFLAG(IS_CHROMEOS_ASH)
if (chromeos::ProfileHelper::IsSigninProfile(profile)) {
// On the sign-in profile, never show certificate selection to the user. A
// client certificate is an identifier that can be stable for a long time,
// so only the administrator is allowed to decide which endpoints should see
// it.
may_show_cert_selection = false;
content::StoragePartition* storage_partition =
profile->GetStoragePartition(web_contents->GetSiteInstance());
chromeos::login::SigninPartitionManager* signin_partition_manager =
chromeos::login::SigninPartitionManager::Factory::GetForBrowserContext(
profile);
// On the sign-in profile, only allow client certs in the context of the
// sign-in frame.
if (!signin_partition_manager->IsCurrentSigninStoragePartition(
storage_partition)) {
LOG(WARNING)
<< "Client cert requested in sign-in profile in wrong context.";
// Continue without client certificate. We do this to mimic the case of no
// client certificate being present in the profile's certificate store.
delegate->ContinueWithCertificate(nullptr, nullptr);
return base::OnceClosure();
}
VLOG(1) << "Client cert requested in sign-in profile.";
}
#endif // BUILDFLAG(IS_CHROMEOS_ASH)
std::unique_ptr<net::ClientCertIdentity> auto_selected_identity =
chrome::enterprise_util::AutoSelectCertificate(profile, requesting_url,
client_certs);
if (auto_selected_identity) {
// The callback will own |auto_selected_identity| and |delegate|, keeping
// them alive until after ContinueWithCertificate is called.
scoped_refptr<net::X509Certificate> cert =
auto_selected_identity->certificate();
net::ClientCertIdentity::SelfOwningAcquirePrivateKey(
std::move(auto_selected_identity),
base::BindOnce(
&content::ClientCertificateDelegate::ContinueWithCertificate,
std::move(delegate), std::move(cert)));
LogClientAuthResult(ClientCertSelectionResult::kAutoSelect);
return base::OnceClosure();
}
if (!may_show_cert_selection) {
LOG(WARNING) << "No client cert matched by policy and user selection is "
"not allowed.";
LogClientAuthResult(ClientCertSelectionResult::kNoSelectionAllowed);
// Continue without client certificate. We do this to mimic the case of no
// client certificate being present in the profile's certificate store.
delegate->ContinueWithCertificate(nullptr, nullptr);
return base::OnceClosure();
}
return chrome::ShowSSLClientCertificateSelector(
web_contents, cert_request_info, std::move(client_certs),
std::move(delegate));
}
content::MediaObserver* ChromeContentBrowserClient::GetMediaObserver() {
return MediaCaptureDevicesDispatcher::GetInstance();
}
content::FeatureObserverClient*
ChromeContentBrowserClient::GetFeatureObserverClient() {
return ChromeBrowserMainExtraPartsPerformanceManager::GetInstance()
->GetFeatureObserverClient();
}
content::PlatformNotificationService*
ChromeContentBrowserClient::GetPlatformNotificationService(
content::BrowserContext* browser_context) {
DCHECK_CURRENTLY_ON(BrowserThread::UI);
Profile* profile = Profile::FromBrowserContext(browser_context);
return PlatformNotificationServiceFactory::GetForProfile(profile);
}
bool ChromeContentBrowserClient::CanCreateWindow(
RenderFrameHost* opener,
const GURL& opener_url,
const GURL& opener_top_level_frame_url,
const url::Origin& source_origin,
content::mojom::WindowContainerType container_type,
const GURL& target_url,
const content::Referrer& referrer,
const std::string& frame_name,
WindowOpenDisposition disposition,
const blink::mojom::WindowFeatures& features,
bool user_gesture,
bool opener_suppressed,
bool* no_javascript_access) {
DCHECK_CURRENTLY_ON(BrowserThread::UI);
DCHECK(opener);
content::WebContents* web_contents =
content::WebContents::FromRenderFrameHost(opener);
Profile* profile =
Profile::FromBrowserContext(web_contents->GetBrowserContext());
DCHECK(profile);
*no_javascript_access = false;
// If the opener is trying to create a background window but doesn't have
// the appropriate permission, fail the attempt.
if (container_type == content::mojom::WindowContainerType::BACKGROUND) {
#if BUILDFLAG(ENABLE_EXTENSIONS)
auto* process_map = extensions::ProcessMap::Get(profile);
auto* registry = extensions::ExtensionRegistry::Get(profile);
if (!URLHasExtensionPermission(process_map, registry, opener_url,
opener->GetProcess()->GetID(),
APIPermissionID::kBackground)) {
return false;
}
// Note: this use of GetExtensionOrAppByURL is safe but imperfect. It may
// return a recently installed Extension even if this CanCreateWindow call
// was made by an old copy of the page in a normal web process. That's ok,
// because the permission check above would have caused an early return
// already. We must use the full URL to find hosted apps, though, and not
// just the origin.
const Extension* extension =
registry->enabled_extensions().GetExtensionOrAppByURL(opener_url);
if (extension && !extensions::BackgroundInfo::AllowJSAccess(extension))
*no_javascript_access = true;
#endif
return true;
}
#if BUILDFLAG(ENABLE_EXTENSIONS)
if (extensions::WebViewRendererState::GetInstance()->IsGuest(
opener->GetProcess()->GetID())) {
return true;
}
if (target_url.SchemeIs(extensions::kExtensionScheme)) {
// Intentionally duplicating |registry| code from above because we want to
// reduce calls to retrieve them as this function is a SYNC IPC handler.
auto* registry = extensions::ExtensionRegistry::Get(profile);
const Extension* extension =
registry->enabled_extensions().GetExtensionOrAppByURL(target_url);
if (extension && extension->is_platform_app()) {
UMA_HISTOGRAM_ENUMERATION(
"Extensions.AppLoadedInTab",
ClassifyAppLoadedInTabSource(opener_url, extension),
APP_LOADED_IN_TAB_SOURCE_MAX);
// window.open() may not be used to load v2 apps in a regular tab.
return false;
}
}
#endif
DCHECK(!prerender::ChromeNoStatePrefetchContentsDelegate::FromWebContents(
web_contents));
BlockedWindowParams blocked_params(
target_url, source_origin, opener->GetSiteInstance(), referrer,
frame_name, disposition, features, user_gesture, opener_suppressed);
NavigateParams nav_params =
blocked_params.CreateNavigateParams(opener->GetProcess(), web_contents);
return blocked_content::MaybeBlockPopup(
web_contents, &opener_top_level_frame_url,
std::make_unique<ChromePopupNavigationDelegate>(
std::move(nav_params)),
nullptr /*=open_url_params*/, blocked_params.features(),
HostContentSettingsMapFactory::GetForProfile(profile)) != nullptr;
}
content::SpeechRecognitionManagerDelegate*
ChromeContentBrowserClient::CreateSpeechRecognitionManagerDelegate() {
return new speech::ChromeSpeechRecognitionManagerDelegate();
}
#if BUILDFLAG(IS_CHROMEOS_ASH)
content::TtsControllerDelegate*
ChromeContentBrowserClient::GetTtsControllerDelegate() {
return TtsControllerDelegateImpl::GetInstance();
}
#endif
content::TtsPlatform* ChromeContentBrowserClient::GetTtsPlatform() {
#if !defined(OS_ANDROID)
content::TtsController::GetInstance()->SetTtsEngineDelegate(
TtsExtensionEngine::GetInstance());
#endif
#if BUILDFLAG(IS_CHROMEOS_ASH)
return TtsPlatformImplChromeOs::GetInstance();
#else
return nullptr;
#endif
}
void ChromeContentBrowserClient::OverrideWebkitPrefs(
WebContents* web_contents,
WebPreferences* web_prefs) {
Profile* profile =
Profile::FromBrowserContext(web_contents->GetBrowserContext());
PrefService* prefs = profile->GetPrefs();
// Fill font preferences. These are not registered on Android
// - http://crbug.com/308033, http://crbug.com/696364.
#if !defined(OS_ANDROID)
FontFamilyCache::FillFontFamilyMap(profile,
prefs::kWebKitStandardFontFamilyMap,
&web_prefs->standard_font_family_map);
FontFamilyCache::FillFontFamilyMap(profile, prefs::kWebKitFixedFontFamilyMap,
&web_prefs->fixed_font_family_map);
FontFamilyCache::FillFontFamilyMap(profile, prefs::kWebKitSerifFontFamilyMap,
&web_prefs->serif_font_family_map);
FontFamilyCache::FillFontFamilyMap(profile,
prefs::kWebKitSansSerifFontFamilyMap,
&web_prefs->sans_serif_font_family_map);
FontFamilyCache::FillFontFamilyMap(profile,
prefs::kWebKitCursiveFontFamilyMap,
&web_prefs->cursive_font_family_map);
FontFamilyCache::FillFontFamilyMap(profile,
prefs::kWebKitFantasyFontFamilyMap,
&web_prefs->fantasy_font_family_map);
FontFamilyCache::FillFontFamilyMap(profile,
prefs::kWebKitPictographFontFamilyMap,
&web_prefs->pictograph_font_family_map);
web_prefs->default_font_size =
prefs->GetInteger(prefs::kWebKitDefaultFontSize);
web_prefs->default_fixed_font_size =
prefs->GetInteger(prefs::kWebKitDefaultFixedFontSize);
web_prefs->minimum_font_size =
prefs->GetInteger(prefs::kWebKitMinimumFontSize);
web_prefs->minimum_logical_font_size =
prefs->GetInteger(prefs::kWebKitMinimumLogicalFontSize);
#endif
web_prefs->default_encoding = prefs->GetString(prefs::kDefaultCharset);
web_prefs->dom_paste_enabled =
prefs->GetBoolean(prefs::kWebKitDomPasteEnabled);
web_prefs->javascript_can_access_clipboard =
prefs->GetBoolean(prefs::kWebKitJavascriptCanAccessClipboard);
web_prefs->tabs_to_links = prefs->GetBoolean(prefs::kWebkitTabsToLinks);
if (!prefs->GetBoolean(prefs::kWebKitJavascriptEnabled))
web_prefs->javascript_enabled = false;
if (!prefs->GetBoolean(prefs::kWebKitWebSecurityEnabled))
web_prefs->web_security_enabled = false;
if (!prefs->GetBoolean(prefs::kWebKitPluginsEnabled))
web_prefs->plugins_enabled = false;
web_prefs->loads_images_automatically =
prefs->GetBoolean(prefs::kWebKitLoadsImagesAutomatically);
if (prefs->GetBoolean(prefs::kDisable3DAPIs)) {
web_prefs->webgl1_enabled = false;
web_prefs->webgl2_enabled = false;
}
web_prefs->allow_running_insecure_content =
prefs->GetBoolean(prefs::kWebKitAllowRunningInsecureContent);
#if defined(OS_ANDROID)
web_prefs->font_scale_factor =
static_cast<float>(prefs->GetDouble(prefs::kWebKitFontScaleFactor));
web_prefs->force_enable_zoom =
prefs->GetBoolean(prefs::kWebKitForceEnableZoom);
#endif
web_prefs->force_dark_mode_enabled =
prefs->GetBoolean(prefs::kWebKitForceDarkModeEnabled);
#if BUILDFLAG(IS_CHROMEOS_ASH)
web_prefs->always_show_focus =
prefs->GetBoolean(ash::prefs::kAccessibilityFocusHighlightEnabled);
#else
if (features::IsAccessibilityFocusHighlightEnabled()) {
web_prefs->always_show_focus =
prefs->GetBoolean(prefs::kAccessibilityFocusHighlightEnabled);
}
#endif
#if defined(OS_ANDROID)
web_prefs->password_echo_enabled =
prefs->GetBoolean(prefs::kWebKitPasswordEchoEnabled);
#else
web_prefs->password_echo_enabled = browser_defaults::kPasswordEchoEnabled;
#endif
web_prefs->text_areas_are_resizable =
prefs->GetBoolean(prefs::kWebKitTextAreasAreResizable);
web_prefs->hyperlink_auditing_enabled =
prefs->GetBoolean(prefs::kEnableHyperlinkAuditing);
#if BUILDFLAG(ENABLE_EXTENSIONS)
std::string image_animation_policy =
prefs->GetString(prefs::kAnimationPolicy);
if (image_animation_policy == kAnimationPolicyOnce) {
web_prefs->animation_policy =
blink::mojom::ImageAnimationPolicy::kImageAnimationPolicyAnimateOnce;
} else if (image_animation_policy == kAnimationPolicyNone) {
web_prefs->animation_policy =
blink::mojom::ImageAnimationPolicy::kImageAnimationPolicyNoAnimation;
} else {
web_prefs->animation_policy =
blink::mojom::ImageAnimationPolicy::kImageAnimationPolicyAllowed;
}
#endif
// Make sure we will set the default_encoding with canonical encoding name.
web_prefs->default_encoding =
base::GetCanonicalEncodingNameByAliasName(web_prefs->default_encoding);
if (web_prefs->default_encoding.empty()) {
prefs->ClearPref(prefs::kDefaultCharset);
web_prefs->default_encoding = prefs->GetString(prefs::kDefaultCharset);
}
DCHECK(!web_prefs->default_encoding.empty());
if (base::CommandLine::ForCurrentProcess()->HasSwitch(
switches::kEnablePotentiallyAnnoyingSecurityFeatures)) {
web_prefs->disable_reading_from_canvas = true;
web_prefs->strict_mixed_content_checking = true;
web_prefs->strict_powerful_feature_restrictions = true;
}
web_prefs->data_saver_enabled = IsDataSaverEnabled(profile);
web_prefs->data_saver_holdback_web_api_enabled =
base::GetFieldTrialParamByFeatureAsBool(features::kDataSaverHoldback,
"holdback_web", false);
if (web_contents) {
#if defined(OS_ANDROID)
auto* delegate = TabAndroid::FromWebContents(web_contents)
? static_cast<android::TabWebContentsDelegateAndroid*>(
web_contents->GetDelegate())
: nullptr;
if (delegate) {
web_prefs->embedded_media_experience_enabled =
delegate->ShouldEnableEmbeddedMediaExperience();
web_prefs->picture_in_picture_enabled =
delegate->IsPictureInPictureEnabled();
}
#endif // defined(OS_ANDROID)
// web_app_scope value is platform specific.
#if defined(OS_ANDROID)
if (delegate)
web_prefs->web_app_scope = delegate->GetManifestScope();
#elif BUILDFLAG(ENABLE_EXTENSIONS)
{
web_prefs->web_app_scope = GURL();
// Set |web_app_scope| based on the app associated with the app window if
// any. Note that the app associated with the window never changes, even
// if the app navigates off scope. This is not a problem because we still
// want to use the scope of the app associated with the window, not the
// WebContents.
Browser* browser = chrome::FindBrowserWithWebContents(web_contents);
if (browser && browser->app_controller() &&
browser->app_controller()->HasAppId()) {
const web_app::AppId& app_id = browser->app_controller()->GetAppId();
const web_app::WebAppRegistrar& registrar =
web_app::WebAppProvider::Get(profile)->registrar();
if (registrar.IsLocallyInstalled(app_id))
web_prefs->web_app_scope = registrar.GetAppScope(app_id);
if (browser->app_controller()->is_for_system_web_app()) {
auto system_app_type = browser->app_controller()->system_app_type();
const web_app::SystemWebAppManager& system_web_app_manager =
web_app::WebAppProvider::Get(profile)->system_web_app_manager();
web_prefs->allow_scripts_to_close_windows =
system_web_app_manager.AllowScriptsToCloseWindows(
system_app_type.value());
}
}
}
#endif
web_prefs->immersive_mode_enabled = vr::VrTabHelper::IsInVr(web_contents);
}
web_prefs->lazy_load_enabled =
!web_contents || !web_contents->GetDelegate() ||
web_contents->GetDelegate()->ShouldAllowLazyLoad();
if (base::FeatureList::IsEnabled(features::kLazyFrameLoading)) {
const char* param_name =
web_prefs->data_saver_enabled
? "lazy_frame_loading_distance_thresholds_px_by_ect"
: "lazy_frame_loading_distance_thresholds_px_by_ect_with_data_"
"saver_enabled";
base::StringPairs pairs;
base::SplitStringIntoKeyValuePairs(
base::GetFieldTrialParamValueByFeature(features::kLazyFrameLoading,
param_name),
':', ',', &pairs);
for (const auto& pair : pairs) {
absl::optional<net::EffectiveConnectionType> effective_connection_type =
net::GetEffectiveConnectionTypeForName(pair.first);
int value = 0;
if (effective_connection_type && base::StringToInt(pair.second, &value)) {
web_prefs->lazy_frame_loading_distance_thresholds_px[static_cast<
EffectiveConnectionType>(effective_connection_type.value())] =
value;
}
}
}
if (base::FeatureList::IsEnabled(features::kLazyImageLoading)) {
const char* param_name =
web_prefs->data_saver_enabled
? "lazy_image_loading_distance_thresholds_px_by_ect"
: "lazy_image_loading_distance_thresholds_px_by_ect_with_data_"
"saver_enabled";
base::StringPairs pairs;
base::SplitStringIntoKeyValuePairs(
base::GetFieldTrialParamValueByFeature(features::kLazyImageLoading,
param_name),
':', ',', &pairs);
for (const auto& pair : pairs) {
absl::optional<net::EffectiveConnectionType> effective_connection_type =
net::GetEffectiveConnectionTypeForName(pair.first);
int value = 0;
if (effective_connection_type && base::StringToInt(pair.second, &value)) {
web_prefs->lazy_image_loading_distance_thresholds_px[static_cast<
EffectiveConnectionType>(effective_connection_type.value())] =
value;
}
}
pairs.clear();
base::SplitStringIntoKeyValuePairs(
base::GetFieldTrialParamValueByFeature(features::kLazyImageLoading,
"lazy_image_first_k_fully_load"),
':', ',', &pairs);
for (const auto& pair : pairs) {
absl::optional<net::EffectiveConnectionType> effective_connection_type =
net::GetEffectiveConnectionTypeForName(pair.first);
int value = 0;
if (effective_connection_type && base::StringToInt(pair.second, &value)) {
web_prefs->lazy_image_first_k_fully_load[static_cast<
EffectiveConnectionType>(effective_connection_type.value())] =
value;
}
}
}
if (base::FeatureList::IsEnabled(
features::kNetworkQualityEstimatorWebHoldback)) {
std::string effective_connection_type_param =
base::GetFieldTrialParamValueByFeature(
features::kNetworkQualityEstimatorWebHoldback,
"web_effective_connection_type_override");
absl::optional<net::EffectiveConnectionType> effective_connection_type =
net::GetEffectiveConnectionTypeForName(effective_connection_type_param);
DCHECK(effective_connection_type_param.empty() ||
effective_connection_type);
if (effective_connection_type) {
DCHECK_NE(net::EFFECTIVE_CONNECTION_TYPE_UNKNOWN,
effective_connection_type.value());
web_prefs->network_quality_estimator_web_holdback =
static_cast<EffectiveConnectionType>(
effective_connection_type.value());
}
}
web_prefs->autoplay_policy = GetAutoplayPolicyForWebContents(web_contents);
switch (GetWebTheme()->GetPreferredContrast()) {
case ui::NativeTheme::PreferredContrast::kNoPreference:
web_prefs->preferred_contrast =
blink::mojom::PreferredContrast::kNoPreference;
break;
case ui::NativeTheme::PreferredContrast::kMore:
web_prefs->preferred_contrast = blink::mojom::PreferredContrast::kMore;
break;
case ui::NativeTheme::PreferredContrast::kLess:
web_prefs->preferred_contrast = blink::mojom::PreferredContrast::kLess;
break;
}
UpdatePreferredColorScheme(
web_prefs, web_contents->GetMainFrame()->GetSiteInstance()->GetSiteURL(),
web_contents, GetWebTheme());
web_prefs->translate_service_available = TranslateService::IsAvailable(prefs);
absl::optional<ui::CaptionStyle> style =
captions::GetCaptionStyleFromUserSettings(prefs,
true /* record_metrics */);
if (style) {
web_prefs->text_track_background_color = style->background_color;
web_prefs->text_track_text_color = style->text_color;
web_prefs->text_track_text_size = style->text_size;
web_prefs->text_track_text_shadow = style->text_shadow;
web_prefs->text_track_font_family = style->font_family;
web_prefs->text_track_font_variant = style->font_variant;
web_prefs->text_track_window_color = style->window_color;
web_prefs->text_track_window_padding = style->window_padding;
web_prefs->text_track_window_radius = style->window_radius;
}
if (subresource_redirect::ShouldEnablePublicImageHintsBasedCompression() ||
subresource_redirect::ShouldEnableLoginRobotsCheckedImageCompression()) {
web_prefs->litepage_subresource_redirect_origin =
subresource_redirect::GetSubresourceRedirectOrigin();
}
#if defined(OS_ANDROID)
// If the pref is not set, the default value (true) will be used:
web_prefs->webxr_immersive_ar_allowed =
prefs->GetBoolean(prefs::kWebXRImmersiveArEnabled);
#endif
for (ChromeContentBrowserClientParts* parts : extra_parts_)
parts->OverrideWebkitPrefs(web_contents, web_prefs);
}
bool ChromeContentBrowserClient::OverrideWebPreferencesAfterNavigation(
WebContents* web_contents,
WebPreferences* prefs) {
const auto autoplay_policy = GetAutoplayPolicyForWebContents(web_contents);
const bool new_autoplay_policy_needed =
prefs->autoplay_policy != autoplay_policy;
if (new_autoplay_policy_needed)
prefs->autoplay_policy = autoplay_policy;
return new_autoplay_policy_needed ||
UpdatePreferredColorScheme(prefs, web_contents->GetLastCommittedURL(),
web_contents, GetWebTheme());
}
void ChromeContentBrowserClient::BrowserURLHandlerCreated(
BrowserURLHandler* handler) {
// The group policy NTP URL handler must be registered before the other NTP
// URL handlers below. Also register it before the "parts" handlers, so the
// NTP policy takes precedence over extensions that override the NTP.
handler->AddHandlerPair(&HandleNewTabPageLocationOverride,
BrowserURLHandler::null_handler());
for (size_t i = 0; i < extra_parts_.size(); ++i)
extra_parts_[i]->BrowserURLHandlerCreated(handler);
// Handler to rewrite chrome://about and chrome://sync URLs.
handler->AddHandlerPair(&HandleChromeAboutAndChromeSyncRewrite,
BrowserURLHandler::null_handler());
#if defined(OS_ANDROID)
// Handler to rewrite chrome://newtab on Android.
handler->AddHandlerPair(&chrome::android::HandleAndroidNativePageURL,
BrowserURLHandler::null_handler());
#else // defined(OS_ANDROID)
// Handler to rewrite chrome://newtab for InstantExtended.
handler->AddHandlerPair(&search::HandleNewTabURLRewrite,
&search::HandleNewTabURLReverseRewrite);
#endif // defined(OS_ANDROID)
// chrome: & friends.
handler->AddHandlerPair(&ChromeContentBrowserClient::HandleWebUI,
&ChromeContentBrowserClient::HandleWebUIReverse);
}
base::FilePath ChromeContentBrowserClient::GetDefaultDownloadDirectory() {
return DownloadPrefs::GetDefaultDownloadDirectory();
}
std::string ChromeContentBrowserClient::GetDefaultDownloadName() {
return l10n_util::GetStringUTF8(IDS_DEFAULT_DOWNLOAD_FILENAME);
}
base::FilePath ChromeContentBrowserClient::GetFontLookupTableCacheDir() {
base::FilePath user_data_dir;
base::PathService::Get(chrome::DIR_USER_DATA, &user_data_dir);
DCHECK(!user_data_dir.empty());
return user_data_dir.Append(FILE_PATH_LITERAL("FontLookupTableCache"));
}
base::FilePath ChromeContentBrowserClient::GetShaderDiskCacheDirectory() {
base::FilePath user_data_dir;
base::PathService::Get(chrome::DIR_USER_DATA, &user_data_dir);
DCHECK(!user_data_dir.empty());
return user_data_dir.Append(FILE_PATH_LITERAL("ShaderCache"));
}
base::FilePath ChromeContentBrowserClient::GetGrShaderDiskCacheDirectory() {
base::FilePath user_data_dir;
base::PathService::Get(chrome::DIR_USER_DATA, &user_data_dir);
DCHECK(!user_data_dir.empty());
return user_data_dir.Append(FILE_PATH_LITERAL("GrShaderCache"));
}
void ChromeContentBrowserClient::DidCreatePpapiPlugin(
content::BrowserPpapiHost* browser_host) {
#if BUILDFLAG(ENABLE_PLUGINS)
ChromeContentBrowserClientPluginsPart::DidCreatePpapiPlugin(browser_host);
#endif
}
content::BrowserPpapiHost*
ChromeContentBrowserClient::GetExternalBrowserPpapiHost(int plugin_process_id) {
#if BUILDFLAG(ENABLE_NACL)
content::BrowserChildProcessHostIterator iter(PROCESS_TYPE_NACL_LOADER);
while (!iter.Done()) {
nacl::NaClProcessHost* host =
static_cast<nacl::NaClProcessHost*>(iter.GetDelegate());
if (host->process() && host->process()->GetData().id == plugin_process_id) {
// Found the plugin.
return host->browser_ppapi_host();
}
++iter;
}
#endif
return nullptr;
}
bool ChromeContentBrowserClient::AllowPepperSocketAPI(
content::BrowserContext* browser_context,
const GURL& url,
bool private_api,
const content::SocketPermissionRequest* params) {
#if BUILDFLAG(ENABLE_PLUGINS) && BUILDFLAG(ENABLE_EXTENSIONS)
return ChromeContentBrowserClientPluginsPart::AllowPepperSocketAPI(
browser_context, url, private_api, params);
#else
return false;
#endif
}
bool ChromeContentBrowserClient::IsPepperVpnProviderAPIAllowed(
content::BrowserContext* browser_context,
const GURL& url) {
#if BUILDFLAG(ENABLE_PLUGINS) && BUILDFLAG(ENABLE_EXTENSIONS)
return ChromeContentBrowserClientPluginsPart::IsPepperVpnProviderAPIAllowed(
browser_context, url);
#else
return false;
#endif
}
std::unique_ptr<content::VpnServiceProxy>
ChromeContentBrowserClient::GetVpnServiceProxy(
content::BrowserContext* browser_context) {
#if BUILDFLAG(ENABLE_EXTENSIONS)
return ChromeContentBrowserClientExtensionsPart::GetVpnServiceProxy(
browser_context);
#else
return nullptr;
#endif
}
std::unique_ptr<ui::SelectFilePolicy>
ChromeContentBrowserClient::CreateSelectFilePolicy(WebContents* web_contents) {
return std::make_unique<ChromeSelectFilePolicy>(web_contents);
}
void ChromeContentBrowserClient::GetAdditionalAllowedSchemesForFileSystem(
std::vector<std::string>* additional_allowed_schemes) {
ContentBrowserClient::GetAdditionalAllowedSchemesForFileSystem(
additional_allowed_schemes);
additional_allowed_schemes->push_back(content::kChromeDevToolsScheme);
additional_allowed_schemes->push_back(content::kChromeUIScheme);
for (auto*& extra_part : extra_parts_) {
extra_part->GetAdditionalAllowedSchemesForFileSystem(
additional_allowed_schemes);
}
}
void ChromeContentBrowserClient::GetSchemesBypassingSecureContextCheckAllowlist(
std::set<std::string>* schemes) {
*schemes = secure_origin_allowlist::GetSchemesBypassingSecureContextCheck();
}
void ChromeContentBrowserClient::GetURLRequestAutoMountHandlers(
std::vector<storage::URLRequestAutoMountHandler>* handlers) {
for (size_t i = 0; i < extra_parts_.size(); ++i)
extra_parts_[i]->GetURLRequestAutoMountHandlers(handlers);
}
void ChromeContentBrowserClient::GetAdditionalFileSystemBackends(
content::BrowserContext* browser_context,
const base::FilePath& storage_partition_path,
std::vector<std::unique_ptr<storage::FileSystemBackend>>*
additional_backends) {
#if BUILDFLAG(IS_CHROMEOS_ASH)
storage::ExternalMountPoints* external_mount_points =
browser_context->GetMountPoints();
DCHECK(external_mount_points);
auto backend = std::make_unique<chromeos::FileSystemBackend>(
Profile::FromBrowserContext(browser_context),
std::make_unique<ash::file_system_provider::BackendDelegate>(),
std::make_unique<chromeos::MTPFileSystemBackendDelegate>(
storage_partition_path),
std::make_unique<arc::ArcContentFileSystemBackendDelegate>(),
std::make_unique<arc::ArcDocumentsProviderBackendDelegate>(),
std::make_unique<drive::DriveFsFileSystemBackendDelegate>(
Profile::FromBrowserContext(browser_context)),
std::make_unique<ash::smb_client::SmbFsFileSystemBackendDelegate>(
Profile::FromBrowserContext(browser_context)),
external_mount_points, storage::ExternalMountPoints::GetSystemInstance());
backend->AddSystemMountPoints();
DCHECK(backend->CanHandleType(storage::kFileSystemTypeExternal));
additional_backends->push_back(std::move(backend));
#endif
for (size_t i = 0; i < extra_parts_.size(); ++i) {
extra_parts_[i]->GetAdditionalFileSystemBackends(
browser_context, storage_partition_path,
GetQuarantineConnectionCallback(), additional_backends);
}
}
#if defined(OS_POSIX) && !defined(OS_MAC)
void ChromeContentBrowserClient::GetAdditionalMappedFilesForChildProcess(
const base::CommandLine& command_line,
int child_process_id,
PosixFileDescriptorInfo* mappings) {
#if defined(OS_ANDROID)
base::MemoryMappedFile::Region region;
int fd = ui::GetMainAndroidPackFd(&region);
mappings->ShareWithRegion(kAndroidUIResourcesPakDescriptor, fd, region);
// For Android: Native resources for DFMs should only be used by the browser
// process. Their file descriptors and memory mapped file regions are not
// passed to child processes.
fd = ui::GetCommonResourcesPackFd(&region);
mappings->ShareWithRegion(kAndroidChrome100PercentPakDescriptor, fd, region);
fd = ui::GetLocalePackFd(&region);
mappings->ShareWithRegion(kAndroidLocalePakDescriptor, fd, region);
// Optional secondary locale .pak file.
fd = ui::GetSecondaryLocalePackFd(&region);
if (fd != -1) {
mappings->ShareWithRegion(kAndroidSecondaryLocalePakDescriptor, fd, region);
}
base::FilePath app_data_path;
base::PathService::Get(base::DIR_ANDROID_APP_DATA, &app_data_path);
DCHECK(!app_data_path.empty());
#endif // defined(OS_ANDROID)
int crash_signal_fd = GetCrashSignalFD(command_line);
if (crash_signal_fd >= 0) {
mappings->Share(kCrashDumpSignal, crash_signal_fd);
}
}
#endif // defined(OS_POSIX) && !defined(OS_MAC)
#if defined(OS_WIN)
std::wstring ChromeContentBrowserClient::GetAppContainerSidForSandboxType(
sandbox::policy::SandboxType sandbox_type) {
// TODO(wfh): Add support for more process types here. crbug.com/499523
switch (sandbox_type) {
case sandbox::policy::SandboxType::kRenderer:
return std::wstring(install_static::GetSandboxSidPrefix()) + L"129201922";
case sandbox::policy::SandboxType::kUtility:
return std::wstring();
case sandbox::policy::SandboxType::kGpu:
return std::wstring();
case sandbox::policy::SandboxType::kPpapi:
return std::wstring(install_static::GetSandboxSidPrefix()) + L"129201925";
case sandbox::policy::SandboxType::kNoSandbox:
case sandbox::policy::SandboxType::kNoSandboxAndElevatedPrivileges:
case sandbox::policy::SandboxType::kXrCompositing:
case sandbox::policy::SandboxType::kNetwork:
case sandbox::policy::SandboxType::kCdm:
#if BUILDFLAG(ENABLE_PRINTING)
case sandbox::policy::SandboxType::kPrintBackend:
#endif
case sandbox::policy::SandboxType::kPrintCompositor:
case sandbox::policy::SandboxType::kAudio:
case sandbox::policy::SandboxType::kSpeechRecognition:
case sandbox::policy::SandboxType::kProxyResolver:
case sandbox::policy::SandboxType::kPdfConversion:
case sandbox::policy::SandboxType::kService:
case sandbox::policy::SandboxType::kVideoCapture:
case sandbox::policy::SandboxType::kIconReader:
case sandbox::policy::SandboxType::kMediaFoundationCdm:
// Should never reach here.
CHECK(0);
return std::wstring();
}
}
std::wstring
ChromeContentBrowserClient::GetLPACCapabilityNameForNetworkService() {
return std::wstring(L"lpacChromeNetworkSandbox");
}
// Note: Only use sparingly to add Chrome specific sandbox functionality here.
// Other code should reside in the content layer. Changes to this function
// should be reviewed by the security team.
bool ChromeContentBrowserClient::PreSpawnChild(
sandbox::TargetPolicy* policy,
sandbox::policy::SandboxType sandbox_type,
ChildSpawnFlags flags) {
// Does not work under component build because all the component DLLs would need
// to be manually added and maintained. Does not work under ASAN build because
// ASAN has not yet fully initialized its instrumentation by the time the CIG
// intercepts run.
#if !defined(COMPONENT_BUILD) && !defined(ADDRESS_SANITIZER)
bool enforce_code_integrity = false;
switch (sandbox_type) {
case sandbox::policy::SandboxType::kRenderer:
enforce_code_integrity =
((flags & ChildSpawnFlags::RENDERER_CODE_INTEGRITY) &&
base::FeatureList::IsEnabled(kRendererCodeIntegrity));
break;
case sandbox::policy::SandboxType::kNetwork:
enforce_code_integrity =
base::FeatureList::IsEnabled(kNetworkServiceCodeIntegrity);
break;
case sandbox::policy::SandboxType::kUtility:
case sandbox::policy::SandboxType::kGpu:
case sandbox::policy::SandboxType::kPpapi:
case sandbox::policy::SandboxType::kNoSandbox:
case sandbox::policy::SandboxType::kNoSandboxAndElevatedPrivileges:
case sandbox::policy::SandboxType::kXrCompositing:
case sandbox::policy::SandboxType::kCdm:
#if BUILDFLAG(ENABLE_PRINTING)
case sandbox::policy::SandboxType::kPrintBackend:
#endif
case sandbox::policy::SandboxType::kPrintCompositor:
case sandbox::policy::SandboxType::kAudio:
case sandbox::policy::SandboxType::kSpeechRecognition:
case sandbox::policy::SandboxType::kProxyResolver:
case sandbox::policy::SandboxType::kPdfConversion:
case sandbox::policy::SandboxType::kService:
case sandbox::policy::SandboxType::kVideoCapture:
case sandbox::policy::SandboxType::kIconReader:
case sandbox::policy::SandboxType::kMediaFoundationCdm:
break;
}
if (!enforce_code_integrity)
return true;
// Only enable signing mitigation if launching from chrome.exe.
base::FilePath exe_path;
if (!base::PathService::Get(base::FILE_EXE, &exe_path))
return true;
if (chrome::kBrowserProcessExecutableName != exe_path.BaseName().value())
return true;
sandbox::MitigationFlags mitigations = policy->GetProcessMitigations();
mitigations |= sandbox::MITIGATION_FORCE_MS_SIGNED_BINS;
sandbox::ResultCode result = policy->SetProcessMitigations(mitigations);
if (result != sandbox::SBOX_ALL_OK)
return false;
// Allow loading Chrome's DLLs.
for (const auto* dll : {chrome::kBrowserResourcesDll, chrome::kElfDll}) {
result = policy->AddRule(sandbox::TargetPolicy::SUBSYS_SIGNED_BINARY,
sandbox::TargetPolicy::SIGNED_ALLOW_LOAD,
GetModulePath(dll).value().c_str());
if (result != sandbox::SBOX_ALL_OK)
return false;
}
#endif // !defined(COMPONENT_BUILD) && !defined(ADDRESS_SANITIZER)
return true;
}
bool ChromeContentBrowserClient::IsRendererCodeIntegrityEnabled() {
PrefService* local_state = g_browser_process->local_state();
if (local_state &&
local_state->HasPrefPath(prefs::kRendererCodeIntegrityEnabled) &&
!local_state->GetBoolean(prefs::kRendererCodeIntegrityEnabled))
return false;
return true;
}
// Note: Only use sparingly to add Chrome specific sandbox functionality here.
// Other code should reside in the content layer. Changes to this function
// should be reviewed by the security team.
bool ChromeContentBrowserClient::IsUtilityCetCompatible(
const std::string& utility_sub_type) {
if (utility_sub_type == chrome::mojom::UtilWin::Name_)
return false;
return true;
}
void ChromeContentBrowserClient::SessionEnding() {
chrome::SessionEnding();
}
bool ChromeContentBrowserClient::ShouldEnableAudioProcessHighPriority() {
return IsAudioProcessHighPriorityEnabled();
}
#endif // defined(OS_WIN)
void ChromeContentBrowserClient::
RegisterMojoBinderPoliciesForSameOriginPrerendering(
content::MojoBinderPolicyMap& policy_map) {
// Changes to `policy_map` should be made in
// RegisterChromeMojoBinderPoliciesForSameOriginPrerendering() which requires
// security review.
RegisterChromeMojoBinderPoliciesForSameOriginPrerendering(policy_map);
}
void ChromeContentBrowserClient::OpenURL(
content::SiteInstance* site_instance,
const content::OpenURLParams& params,
base::OnceCallback<void(content::WebContents*)> callback) {
DCHECK_CURRENTLY_ON(BrowserThread::UI);
content::BrowserContext* browser_context = site_instance->GetBrowserContext();
#if defined(OS_ANDROID)
ServiceTabLauncher::GetInstance()->LaunchTab(browser_context, params,
std::move(callback));
#else
NavigateParams nav_params(Profile::FromBrowserContext(browser_context),
params.url, params.transition);
nav_params.FillNavigateParamsFromOpenURLParams(params);
Navigate(&nav_params);
std::move(callback).Run(nav_params.navigated_or_inserted_contents);
#endif
}
content::ControllerPresentationServiceDelegate*
ChromeContentBrowserClient::GetControllerPresentationServiceDelegate(
content::WebContents* web_contents) {
if (media_router::MediaRouterEnabled(web_contents->GetBrowserContext())) {
return media_router::PresentationServiceDelegateImpl::
GetOrCreateForWebContents(web_contents);
}
return nullptr;
}
content::ReceiverPresentationServiceDelegate*
ChromeContentBrowserClient::GetReceiverPresentationServiceDelegate(
content::WebContents* web_contents) {
if (media_router::MediaRouterEnabled(web_contents->GetBrowserContext())) {
// ReceiverPresentationServiceDelegateImpl exists only for WebContents
// created for offscreen presentations. The WebContents must belong to
// an incognito profile.
if (auto* impl = media_router::ReceiverPresentationServiceDelegateImpl::
FromWebContents(web_contents)) {
DCHECK(web_contents->GetBrowserContext()->IsOffTheRecord());
return impl;
}
}
return nullptr;
}
std::vector<std::unique_ptr<content::NavigationThrottle>>
ChromeContentBrowserClient::CreateThrottlesForNavigation(
content::NavigationHandle* handle) {
std::vector<std::unique_ptr<content::NavigationThrottle>> throttles;
// MetricsNavigationThrottle requires that it runs before NavigationThrottles
// that may delay or cancel navigations, so only NavigationThrottles that
// don't delay or cancel navigations (e.g. throttles that are only observing
// callbacks without affecting navigation behavior) should be added before
// MetricsNavigationThrottle.
if (handle->IsInMainFrame()) {
throttles.push_back(
page_load_metrics::MetricsNavigationThrottle::Create(handle));
}
#if BUILDFLAG(IS_CHROMEOS_ASH)
MaybeAddThrottle(
ash::WebTimeLimitNavigationThrottle::MaybeCreateThrottleFor(handle),
&throttles);
#endif // BUILDFLAG(IS_CHROMEOS_ASH)
#if BUILDFLAG(ENABLE_SUPERVISED_USERS)
MaybeAddThrottle(
SupervisedUserNavigationThrottle::MaybeCreateThrottleFor(handle),
&throttles);
#endif
#if defined(OS_ANDROID)
// TODO(davidben): This is insufficient to integrate with prerender properly.
// https://crbug.com/370595
prerender::NoStatePrefetchContents* no_state_prefetch_contents =
prerender::ChromeNoStatePrefetchContentsDelegate::FromWebContents(
handle->GetWebContents());
if (!no_state_prefetch_contents) {
MaybeAddThrottle(
navigation_interception::InterceptNavigationDelegate::
MaybeCreateThrottleFor(
handle, navigation_interception::SynchronyMode::kAsync),
&throttles);
}
throttles.push_back(InterceptOMADownloadNavigationThrottle::Create(handle));
#if BUILDFLAG(DFMIFY_DEV_UI)
// If the DevUI DFM is already installed, then this is a no-op, except for the
// side effect of ensuring that the DevUI DFM is loaded.
MaybeAddThrottle(dev_ui::DevUiLoaderThrottle::MaybeCreateThrottleFor(handle),
&throttles);
#endif // BUILDFLAG(DFMIFY_DEV_UI)
#elif BUILDFLAG(ENABLE_EXTENSIONS)
if (handle->IsInMainFrame()) {
// Redirect some navigations to apps that have registered matching URL
// handlers ('url_handlers' in the manifest).
MaybeAddThrottle(
PlatformAppNavigationRedirector::MaybeCreateThrottleFor(handle),
&throttles);
}
#endif
#if BUILDFLAG(IS_CHROMEOS_ASH)
// Check if we need to add merge session throttle. This throttle will postpone
// loading of main frames.
if (handle->IsInMainFrame()) {
// Add interstitial page while merge session process (cookie reconstruction
// from OAuth2 refresh token in ChromeOS login) is still in progress while
// we are attempting to load a google property.
if (ash::merge_session_throttling_utils::ShouldAttachNavigationThrottle() &&
!ash::merge_session_throttling_utils::AreAllSessionMergedAlready() &&
handle->GetURL().SchemeIsHTTPOrHTTPS()) {
throttles.push_back(ash::MergeSessionNavigationThrottle::Create(handle));
}
}
#endif
#if !defined(OS_ANDROID)
auto url_to_apps_throttle =
#if BUILDFLAG(IS_CHROMEOS_ASH)
apps::CommonAppsNavigationThrottle::MaybeCreate(handle);
#else
apps::AppsNavigationThrottle::MaybeCreate(handle);
#endif
if (url_to_apps_throttle)
throttles.push_back(std::move(url_to_apps_throttle));
#endif
#if BUILDFLAG(ENABLE_EXTENSIONS)
throttles.push_back(
std::make_unique<extensions::ExtensionNavigationThrottle>(handle));
MaybeAddThrottle(extensions::ExtensionsBrowserClient::Get()
->GetUserScriptListener()
->CreateNavigationThrottle(handle),
&throttles);
#endif
#if BUILDFLAG(ENABLE_SUPERVISED_USERS)
MaybeAddThrottle(
SupervisedUserGoogleAuthNavigationThrottle::MaybeCreate(handle),
&throttles);
#endif
if (auto* throttle_manager =
subresource_filter::ContentSubresourceFilterThrottleManager::
FromNavigationHandle(*handle)) {
throttle_manager->MaybeAppendNavigationThrottles(handle, &throttles);
}
#if !defined(OS_ANDROID)
// BackgroundTabNavigationThrottle is used by TabManager, which is only
// enabled on non-Android platforms.
MaybeAddThrottle(resource_coordinator::BackgroundTabNavigationThrottle::
MaybeCreateThrottleFor(handle),
&throttles);
#endif
#if BUILDFLAG(SAFE_BROWSING_AVAILABLE)
MaybeAddThrottle(safe_browsing::MaybeCreateNavigationThrottle(handle),
&throttles);
#endif
MaybeAddThrottle(
LookalikeUrlNavigationThrottle::MaybeCreateNavigationThrottle(handle),
&throttles);
MaybeAddThrottle(PDFIFrameNavigationThrottle::MaybeCreateThrottleFor(handle),
&throttles);
#if BUILDFLAG(ENABLE_PDF)
MaybeAddThrottle(pdf::PdfNavigationThrottle::MaybeCreateThrottleFor(
handle, std::make_unique<ChromePdfStreamDelegate>()),
&throttles);
#endif // BUILDFLAG(ENABLE_PDF)
MaybeAddThrottle(TabUnderNavigationThrottle::MaybeCreate(handle), &throttles);
MaybeAddThrottle(
WellKnownChangePasswordNavigationThrottle::MaybeCreateThrottleFor(handle),
&throttles);
policy::PolicyService* policy_service = nullptr;
Profile* profile = Profile::FromBrowserContext(
handle->GetWebContents()->GetBrowserContext());
if (profile && profile->GetProfilePolicyConnector())
policy_service = profile->GetProfilePolicyConnector()->policy_service();
throttles.push_back(std::make_unique<PolicyBlocklistNavigationThrottle>(
handle, handle->GetWebContents()->GetBrowserContext(), policy_service));
// Before setting up SSL error detection, configure SSLErrorHandler to invoke
// the relevant extension API whenever an SSL interstitial is shown.
SSLErrorHandler::SetClientCallbackOnInterstitialsShown(
base::BindRepeating(&MaybeTriggerSecurityInterstitialShownEvent));
content::WebContents* web_contents = handle->GetWebContents();
throttles.push_back(std::make_unique<SSLErrorNavigationThrottle>(
handle,
std::make_unique<CertificateReportingServiceCertReporter>(web_contents),
base::BindOnce(&HandleSSLErrorWrapper), base::BindOnce(&IsInHostedApp),
base::BindOnce(
&ShouldIgnoreInterstitialBecauseNavigationDefaultedToHttps)));
throttles.push_back(std::make_unique<LoginNavigationThrottle>(handle));
if (base::FeatureList::IsEnabled(omnibox::kDefaultTypedNavigationsToHttps)) {
MaybeAddThrottle(
TypedNavigationUpgradeThrottle::MaybeCreateThrottleFor(handle),
&throttles);
}
#if defined(OS_LINUX) || defined(OS_MAC) || defined(OS_WIN) || \
BUILDFLAG(IS_CHROMEOS_ASH)
MaybeAddThrottle(enterprise_connectors::DeviceTrustNavigationThrottle::
MaybeCreateThrottleFor(handle),
&throttles);
#endif // defined(OS_LINUX) || defined(OS_MAC) || defined(OS_WIN) ||
// BUILDFLAG(IS_CHROMEOS_ASH)
#if !defined(OS_ANDROID)
MaybeAddThrottle(DevToolsWindow::MaybeCreateNavigationThrottle(handle),
&throttles);
MaybeAddThrottle(NewTabPageNavigationThrottle::MaybeCreateThrottleFor(handle),
&throttles);
#endif
// g_browser_process->safe_browsing_service() may be null in unittests.
safe_browsing::SafeBrowsingUIManager* ui_manager =
g_browser_process->safe_browsing_service()
? g_browser_process->safe_browsing_service()->ui_manager().get()
: nullptr;
throttles.push_back(
std::make_unique<safe_browsing::SafeBrowsingNavigationThrottle>(
handle, ui_manager));
if (base::FeatureList::IsEnabled(safe_browsing::kDelayedWarnings)) {
throttles.push_back(
std::make_unique<safe_browsing::DelayedWarningNavigationThrottle>(
handle));
}
// TODO(crbug.com/1052397): Revisit the macro expression once build flag switch
// of lacros-chrome is complete.
#if defined(OS_WIN) || defined(OS_MAC) || \
(defined(OS_LINUX) || BUILDFLAG(IS_CHROMEOS_LACROS))
MaybeAddThrottle(browser_switcher::BrowserSwitcherNavigationThrottle::
MaybeCreateThrottleFor(handle),
&throttles);
#endif
#if BUILDFLAG(IS_CHROMEOS_ASH)
MaybeAddThrottle(
ash::KioskSettingsNavigationThrottle::MaybeCreateThrottleFor(handle),
&throttles);
#endif
#if defined(OS_MAC)
if (__builtin_available(macOS 10.15, *)) {
MaybeAddThrottle(MaybeCreateAuthSessionThrottleFor(handle), &throttles);
}
#endif
auto* performance_manager_registry =
performance_manager::PerformanceManagerRegistry::GetInstance();
if (performance_manager_registry) {
MaybeAddThrottles(
performance_manager_registry->CreateThrottlesForNavigation(handle),
&throttles);
}
if (profile && profile->GetPrefs()) {
MaybeAddThrottle(
security_interstitials::InsecureFormNavigationThrottle::
MaybeCreateNavigationThrottle(
handle, std::make_unique<ChromeSecurityBlockingPageFactory>(),
profile->GetPrefs()),
&throttles);
}
if (IsErrorPageAutoReloadEnabled() && handle->IsInMainFrame()) {
MaybeAddThrottle(
error_page::NetErrorAutoReloader::MaybeCreateThrottleFor(handle),
&throttles);
}
MaybeAddThrottle(
payments::PaymentHandlerNavigationThrottle::MaybeCreateThrottleFor(
handle),
&throttles);
MaybeAddThrottle(
prerender::NoStatePrefetchNavigationThrottle::MaybeCreateThrottleFor(
handle),
&throttles);
#if BUILDFLAG(ENABLE_OFFLINE_PAGES)
MaybeAddThrottle(
offline_pages::OfflinePageNavigationThrottle::MaybeCreateThrottleFor(
handle),
&throttles);
#endif
if (profile && profile->GetPrefs()) {
MaybeAddThrottle(
HttpsOnlyModeNavigationThrottle::MaybeCreateThrottleFor(
handle, std::make_unique<ChromeSecurityBlockingPageFactory>(),
profile->GetPrefs()),
&throttles);
}
return throttles;
}
std::unique_ptr<content::NavigationUIData>
ChromeContentBrowserClient::GetNavigationUIData(
content::NavigationHandle* navigation_handle) {
return std::make_unique<ChromeNavigationUIData>(navigation_handle);
}
std::unique_ptr<content::DevToolsManagerDelegate>
ChromeContentBrowserClient::CreateDevToolsManagerDelegate() {
#if defined(OS_ANDROID)
return std::make_unique<DevToolsManagerDelegateAndroid>();
#else
return std::make_unique<ChromeDevToolsManagerDelegate>();
#endif
}
void ChromeContentBrowserClient::UpdateDevToolsBackgroundServiceExpiration(
content::BrowserContext* browser_context,
int service,
base::Time expiration_time) {
Profile* profile = Profile::FromBrowserContext(browser_context);
DCHECK(profile);
auto* pref_service = profile->GetPrefs();
DCHECK(pref_service);
DictionaryPrefUpdate pref_update(
pref_service, prefs::kDevToolsBackgroundServicesExpirationDict);
base::DictionaryValue* exp_dict = pref_update.Get();
// Convert |expiration_time| to minutes since that is the most granular
// option that returns an int. base::Value does not accept int64.
int expiration_time_minutes =
expiration_time.ToDeltaSinceWindowsEpoch().InMinutes();
exp_dict->SetInteger(base::NumberToString(service), expiration_time_minutes);
}
base::flat_map<int, base::Time>
ChromeContentBrowserClient::GetDevToolsBackgroundServiceExpirations(
content::BrowserContext* browser_context) {
Profile* profile = Profile::FromBrowserContext(browser_context);
DCHECK(profile);
auto* pref_service = profile->GetPrefs();
DCHECK(pref_service);
auto* expiration_dict = pref_service->GetDictionary(
prefs::kDevToolsBackgroundServicesExpirationDict);
DCHECK(expiration_dict);
base::flat_map<int, base::Time> expiration_times;
for (auto it : expiration_dict->DictItems()) {
// key.
int service = 0;
bool did_convert = base::StringToInt(it.first, &service);
DCHECK(did_convert);
// value.
DCHECK(it.second.is_int());
base::TimeDelta delta = base::TimeDelta::FromMinutes(it.second.GetInt());
base::Time expiration_time = base::Time::FromDeltaSinceWindowsEpoch(delta);
expiration_times[service] = expiration_time;
}
return expiration_times;
}
content::TracingDelegate* ChromeContentBrowserClient::GetTracingDelegate() {
return new ChromeTracingDelegate();
}
bool ChromeContentBrowserClient::IsPluginAllowedToCallRequestOSFileHandle(
content::BrowserContext* browser_context,
const GURL& url) {
#if BUILDFLAG(ENABLE_PLUGINS) && BUILDFLAG(ENABLE_EXTENSIONS)
return ChromeContentBrowserClientPluginsPart::
IsPluginAllowedToCallRequestOSFileHandle(browser_context, url);
#else
return false;
#endif
}
bool ChromeContentBrowserClient::IsPluginAllowedToUseDevChannelAPIs(
content::BrowserContext* browser_context,
const GURL& url) {
#if BUILDFLAG(ENABLE_PLUGINS) && BUILDFLAG(ENABLE_EXTENSIONS)
return ChromeContentBrowserClientPluginsPart::
IsPluginAllowedToUseDevChannelAPIs(browser_context, url);
#else
return false;
#endif
}
void ChromeContentBrowserClient::OverridePageVisibilityState(
RenderFrameHost* render_frame_host,
content::PageVisibilityState* visibility_state) {
DCHECK_CURRENTLY_ON(BrowserThread::UI);
WebContents* web_contents =
WebContents::FromRenderFrameHost(render_frame_host);
DCHECK(web_contents);
prerender::NoStatePrefetchManager* no_state_prefetch_manager =
prerender::NoStatePrefetchManagerFactory::GetForBrowserContext(
web_contents->GetBrowserContext());
if (no_state_prefetch_manager &&
no_state_prefetch_manager->IsWebContentsPrerendering(web_contents)) {
*visibility_state = content::PageVisibilityState::kHiddenButPainting;
}
}
void ChromeContentBrowserClient::InitNetworkContextsParentDirectory() {
base::FilePath user_data_dir;
base::PathService::Get(chrome::DIR_USER_DATA, &user_data_dir);
DCHECK(!user_data_dir.empty());
network_contexts_parent_directory_.push_back(user_data_dir);
base::FilePath cache_dir;
chrome::GetUserCacheDirectory(user_data_dir, &cache_dir);
DCHECK(!cache_dir.empty());
// On some platforms, the cache is a child of the user_data_dir so only
// return the one path.
if (!user_data_dir.IsParent(cache_dir))
network_contexts_parent_directory_.push_back(cache_dir);
// If the cache location has been overridden by a switch or preference,
// include that as well.
if (auto* local_state = g_browser_process->local_state()) {
base::FilePath pref_cache_dir =
local_state->GetFilePath(prefs::kDiskCacheDir);
if (!pref_cache_dir.empty() && !user_data_dir.IsParent(cache_dir))
network_contexts_parent_directory_.push_back(pref_cache_dir);
}
}
void ChromeContentBrowserClient::MaybeCopyDisableWebRtcEncryptionSwitch(
base::CommandLine* to_command_line,
const base::CommandLine& from_command_line,
version_info::Channel channel) {
#if defined(OS_ANDROID)
const version_info::Channel kMaxDisableEncryptionChannel =
version_info::Channel::BETA;
#else
const version_info::Channel kMaxDisableEncryptionChannel =
version_info::Channel::DEV;
#endif
if (channel <= kMaxDisableEncryptionChannel) {
static const char* const kWebRtcDevSwitchNames[] = {
switches::kDisableWebRtcEncryption,
};
to_command_line->CopySwitchesFrom(from_command_line, kWebRtcDevSwitchNames,
base::size(kWebRtcDevSwitchNames));
}
}
#if BUILDFLAG(ENABLE_MEDIA_REMOTING)
void ChromeContentBrowserClient::CreateMediaRemoter(
content::RenderFrameHost* render_frame_host,
mojo::PendingRemote<media::mojom::RemotingSource> source,
mojo::PendingReceiver<media::mojom::Remoter> receiver) {
CastRemotingConnector::CreateMediaRemoter(
render_frame_host, std::move(source), std::move(receiver));
}
#endif // BUILDFLAG(ENABLE_MEDIA_REMOTING)
base::FilePath ChromeContentBrowserClient::GetLoggingFileName(
const base::CommandLine& command_line) {
return logging::GetLogFileName(command_line);
}
namespace {
// TODO(jam): move this to a separate file.
class ProtocolHandlerThrottle : public blink::URLLoaderThrottle {
public:
explicit ProtocolHandlerThrottle(
ProtocolHandlerRegistry* protocol_handler_registry)
: protocol_handler_registry_(protocol_handler_registry) {
DCHECK(protocol_handler_registry);
}
~ProtocolHandlerThrottle() override = default;
void WillStartRequest(network::ResourceRequest* request,
bool* defer) override {
// Don't translate the urn: scheme URL while loading the resource from the
// specified web bundle.
if (request->web_bundle_token_params &&
request->url.SchemeIs(url::kUrnScheme)) {
return;
}
TranslateUrl(&request->url);
}
void WillRedirectRequest(
net::RedirectInfo* redirect_info,
const network::mojom::URLResponseHead& response_head,
bool* defer,
std::vector<std::string>* to_be_removed_headers,
net::HttpRequestHeaders* modified_headers,
net::HttpRequestHeaders* modified_cors_exempt_headers) override {
TranslateUrl(&redirect_info->new_url);
}
private:
void TranslateUrl(GURL* url) {
if (!protocol_handler_registry_->IsHandledProtocol(url->scheme()))
return;
GURL translated_url = protocol_handler_registry_->Translate(*url);
if (!translated_url.is_empty())
*url = translated_url;
}
ProtocolHandlerRegistry* protocol_handler_registry_;
};
} // namespace
std::vector<std::unique_ptr<blink::URLLoaderThrottle>>
ChromeContentBrowserClient::CreateURLLoaderThrottles(
const network::ResourceRequest& request,
content::BrowserContext* browser_context,
const base::RepeatingCallback<content::WebContents*()>& wc_getter,
content::NavigationUIData* navigation_ui_data,
int frame_tree_node_id) {
DCHECK_CURRENTLY_ON(BrowserThread::UI);
std::vector<std::unique_ptr<blink::URLLoaderThrottle>> result;
DCHECK(browser_context);
Profile* profile = Profile::FromBrowserContext(browser_context);
DCHECK(profile);
ChromeNavigationUIData* chrome_navigation_ui_data =
static_cast<ChromeNavigationUIData*>(navigation_ui_data);
#if BUILDFLAG(SAFE_BROWSING_AVAILABLE)
bool matches_enterprise_allowlist = safe_browsing::IsURLAllowlistedByPolicy(
request.url, *profile->GetPrefs());
if (!matches_enterprise_allowlist) {
#if BUILDFLAG(SAFE_BROWSING_DB_LOCAL)
auto* connectors_service =
enterprise_connectors::ConnectorsServiceFactory::GetForBrowserContext(
browser_context);
bool has_valid_dm_token =
connectors_service &&
connectors_service->GetDMTokenForRealTimeUrlCheck().has_value();
bool is_enterprise_lookup_enabled =
safe_browsing::RealTimePolicyEngine::CanPerformEnterpriseFullURLLookup(
profile->GetPrefs(), has_valid_dm_token, profile->IsOffTheRecord());
#else
bool is_enterprise_lookup_enabled = false;
#endif
bool is_consumer_lookup_enabled =
safe_browsing::RealTimePolicyEngine::CanPerformFullURLLookup(
profile->GetPrefs(), profile->IsOffTheRecord(),
g_browser_process->variations_service());
// |url_lookup_service| is used when real time url check is enabled.
safe_browsing::RealTimeUrlLookupServiceBase* url_lookup_service =
GetUrlLookupService(browser_context, is_enterprise_lookup_enabled,
is_consumer_lookup_enabled);
result.push_back(safe_browsing::BrowserURLLoaderThrottle::Create(
base::BindOnce(
&ChromeContentBrowserClient::GetSafeBrowsingUrlCheckerDelegate,
base::Unretained(this),
safe_browsing::IsSafeBrowsingEnabled(*profile->GetPrefs()),
// Should check for enterprise when safe browsing is disabled.
/*should_check_on_sb_disabled=*/is_enterprise_lookup_enabled,
safe_browsing::GetURLAllowlistByPolicy(profile->GetPrefs())),
wc_getter, frame_tree_node_id,
url_lookup_service ? url_lookup_service->GetWeakPtr() : nullptr));
}
#endif
#if BUILDFLAG(ENABLE_CAPTIVE_PORTAL_DETECTION)
result.push_back(
std::make_unique<captive_portal::CaptivePortalURLLoaderThrottle>(
wc_getter.Run()));
#endif
if (chrome_navigation_ui_data &&
chrome_navigation_ui_data->is_no_state_prefetching()) {
result.push_back(std::make_unique<prerender::PrerenderURLLoaderThrottle>(
chrome_navigation_ui_data->prerender_histogram_prefix(),
GetPrerenderCanceler(wc_getter)));
}
#if defined(OS_ANDROID)
std::string client_data_header;
bool is_tab_large_enough = false;
bool is_custom_tab = false;
if (frame_tree_node_id != content::RenderFrameHost::kNoFrameTreeNodeId) {
auto* web_contents = WebContents::FromFrameTreeNodeId(frame_tree_node_id);
// Could be null if the FrameTreeNode's RenderFrameHost is shutting down.
if (web_contents) {
auto* client_data_header_observer =
customtabs::ClientDataHeaderWebContentsObserver::FromWebContents(
web_contents);
if (client_data_header_observer)
client_data_header = client_data_header_observer->header();
auto* delegate =
TabAndroid::FromWebContents(web_contents)
? static_cast<android::TabWebContentsDelegateAndroid*>(
web_contents->GetDelegate())
: nullptr;
if (delegate) {
is_tab_large_enough = delegate->IsTabLargeEnoughForDesktopSite();
is_custom_tab = delegate->IsCustomTab();
}
}
}
#endif
chrome::mojom::DynamicParams dynamic_params = {
profile->GetPrefs()->GetBoolean(prefs::kForceGoogleSafeSearch),
profile->GetPrefs()->GetInteger(prefs::kForceYouTubeRestrict),
profile->GetPrefs()->GetString(prefs::kAllowedDomainsForApps)};
result.push_back(std::make_unique<GoogleURLLoaderThrottle>(
#if defined(OS_ANDROID)
client_data_header, is_tab_large_enough,
#endif
std::move(dynamic_params)));
{
auto* factory =
ProtocolHandlerRegistryFactory::GetForBrowserContext(browser_context);
// null in unit tests.
if (factory)
result.push_back(std::make_unique<ProtocolHandlerThrottle>(factory));
}
#if BUILDFLAG(ENABLE_PLUGINS)
result.push_back(std::make_unique<PluginResponseInterceptorURLLoaderThrottle>(
request.destination, frame_tree_node_id));
#endif
#if defined(OS_ANDROID)
auto delegate = std::make_unique<signin::HeaderModificationDelegateImpl>(
profile, /*incognito_enabled=*/!is_custom_tab);
#else
auto delegate =
std::make_unique<signin::HeaderModificationDelegateImpl>(profile);
#endif
auto signin_throttle =
signin::URLLoaderThrottle::MaybeCreate(std::move(delegate), wc_getter);
if (signin_throttle)
result.push_back(std::move(signin_throttle));
return result;
}
void ChromeContentBrowserClient::RegisterNonNetworkNavigationURLLoaderFactories(
int frame_tree_node_id,
ukm::SourceIdObj ukm_source_id,
NonNetworkURLLoaderFactoryMap* factories) {
#if BUILDFLAG(ENABLE_EXTENSIONS) || BUILDFLAG(IS_CHROMEOS_ASH)
content::WebContents* web_contents =
content::WebContents::FromFrameTreeNodeId(frame_tree_node_id);
#if BUILDFLAG(ENABLE_EXTENSIONS)
factories->emplace(
extensions::kExtensionScheme,
extensions::CreateExtensionNavigationURLLoaderFactory(
web_contents->GetBrowserContext(), ukm_source_id,
!!extensions::WebViewGuest::FromWebContents(web_contents)));
#endif // BUILDFLAG(ENABLE_EXTENSIONS)
#if BUILDFLAG(IS_CHROMEOS_ASH)
Profile* profile =
Profile::FromBrowserContext(web_contents->GetBrowserContext());
factories->emplace(content::kExternalFileScheme,
chromeos::ExternalFileURLLoaderFactory::Create(
profile, content::ChildProcessHost::kInvalidUniqueID));
#endif // BUILDFLAG(IS_CHROMEOS_ASH)
#endif // BUILDFLAG(ENABLE_EXTENSIONS) || BUILDFLAG(IS_CHROMEOS_ASH)
}
void ChromeContentBrowserClient::
RegisterNonNetworkWorkerMainResourceURLLoaderFactories(
content::BrowserContext* browser_context,
NonNetworkURLLoaderFactoryMap* factories) {
DCHECK(browser_context);
DCHECK(factories);
#if BUILDFLAG(ENABLE_EXTENSIONS)
factories->emplace(
extensions::kExtensionScheme,
extensions::CreateExtensionWorkerMainResourceURLLoaderFactory(
browser_context));
#endif // BUILDFLAG(ENABLE_EXTENSIONS)
}
void ChromeContentBrowserClient::
RegisterNonNetworkServiceWorkerUpdateURLLoaderFactories(
content::BrowserContext* browser_context,
NonNetworkURLLoaderFactoryMap* factories) {
DCHECK(browser_context);
DCHECK(factories);
#if BUILDFLAG(ENABLE_EXTENSIONS)
factories->emplace(
extensions::kExtensionScheme,
extensions::CreateExtensionServiceWorkerScriptURLLoaderFactory(
browser_context));
#endif // BUILDFLAG(ENABLE_EXTENSIONS)
}
namespace {
// The SpecialAccessFileURLLoaderFactory provided to the extension background
// pages. Checks with the ChildProcessSecurityPolicy to validate the file
// access.
class SpecialAccessFileURLLoaderFactory
: public network::SelfDeletingURLLoaderFactory {
public:
// Returns mojo::PendingRemote to a newly constructed
// SpecialAccessFileURLLoaderFactory. The factory is self-owned - it will
// delete itself once there are no more receivers (including the receiver
// associated with the returned mojo::PendingRemote and the receivers bound by
// the Clone method).
static mojo::PendingRemote<network::mojom::URLLoaderFactory> Create(
int child_id) {
mojo::PendingRemote<network::mojom::URLLoaderFactory> pending_remote;
// The SpecialAccessFileURLLoaderFactory will delete itself when there are
// no more receivers - see the
// network::SelfDeletingURLLoaderFactory::OnDisconnect method.
new SpecialAccessFileURLLoaderFactory(
child_id, pending_remote.InitWithNewPipeAndPassReceiver());
return pending_remote;
}
private:
explicit SpecialAccessFileURLLoaderFactory(
int child_id,
mojo::PendingReceiver<network::mojom::URLLoaderFactory> factory_receiver)
: network::SelfDeletingURLLoaderFactory(std::move(factory_receiver)),
child_id_(child_id) {}
// network::mojom::URLLoaderFactory:
void CreateLoaderAndStart(
mojo::PendingReceiver<network::mojom::URLLoader> loader,
int32_t request_id,
uint32_t options,
const network::ResourceRequest& request,
mojo::PendingRemote<network::mojom::URLLoaderClient> client,
const net::MutableNetworkTrafficAnnotationTag& traffic_annotation)
override {
if (!content::ChildProcessSecurityPolicy::GetInstance()->CanRequestURL(
child_id_, request.url)) {
mojo::Remote<network::mojom::URLLoaderClient>(std::move(client))
->OnComplete(
network::URLLoaderCompletionStatus(net::ERR_ACCESS_DENIED));
return;
}
content::CreateFileURLLoaderBypassingSecurityChecks(
request, std::move(loader), std::move(client),
/*observer=*/nullptr,
/* allow_directory_listing */ true);
}
int child_id_;
DISALLOW_COPY_AND_ASSIGN(SpecialAccessFileURLLoaderFactory);
};
#if BUILDFLAG(IS_CHROMEOS_ASH)
bool IsSystemFeatureDisabled(policy::SystemFeature system_feature) {
PrefService* const local_state = g_browser_process->local_state();
if (!local_state) // Sometimes it's not available in tests.
return false;
const base::ListValue* disabled_system_features_pref =
local_state->GetList(policy::policy_prefs::kSystemFeaturesDisableList);
if (!disabled_system_features_pref)
return false;
const auto disabled_system_features =
disabled_system_features_pref->GetList();
return base::Contains(disabled_system_features, base::Value(system_feature));
}
bool IsSystemFeatureURLDisabled(const GURL& url) {
if (!url.SchemeIs(content::kChromeUIScheme))
return false;
// chrome://os-settings/pwa.html shouldn't be replaced to let the settings app
// installation complete successfully.
if (url.DomainIs(chrome::kChromeUIOSSettingsHost) &&
url.path() != "/pwa.html" &&
IsSystemFeatureDisabled(policy::SystemFeature::kOsSettings)) {
return true;
}
if (url.DomainIs(chrome::kChromeUISettingsHost) &&
IsSystemFeatureDisabled(policy::SystemFeature::kBrowserSettings)) {
return true;
}
if (url.DomainIs(ash::kChromeUIScanningAppHost) &&
IsSystemFeatureDisabled(policy::SystemFeature::kScanning)) {
return true;
}
if (url.DomainIs(chromeos::kChromeUICameraAppHost) &&
IsSystemFeatureDisabled(policy::SystemFeature::kCamera)) {
return true;
}
return false;
}
#endif
} // namespace
void ChromeContentBrowserClient::
RegisterNonNetworkSubresourceURLLoaderFactories(
int render_process_id,
int render_frame_id,
NonNetworkURLLoaderFactoryMap* factories) {
#if BUILDFLAG(IS_CHROMEOS_ASH) || BUILDFLAG(ENABLE_EXTENSIONS)
content::RenderFrameHost* frame_host =
RenderFrameHost::FromID(render_process_id, render_frame_id);
WebContents* web_contents = WebContents::FromRenderFrameHost(frame_host);
#endif // BUILDFLAG(IS_CHROMEOS_ASH) || BUILDFLAG(ENABLE_EXTENSIONS)
#if BUILDFLAG(IS_CHROMEOS_ASH)
if (web_contents) {
Profile* profile =
Profile::FromBrowserContext(web_contents->GetBrowserContext());
factories->emplace(content::kExternalFileScheme,
chromeos::ExternalFileURLLoaderFactory::Create(
profile, render_process_id));
}
#endif // BUILDFLAG(IS_CHROMEOS_ASH)
#if BUILDFLAG(ENABLE_EXTENSIONS)
factories->emplace(extensions::kExtensionScheme,
extensions::CreateExtensionURLLoaderFactory(
render_process_id, render_frame_id));
// This logic should match
// ChromeExtensionWebContentsObserver::RenderFrameCreated.
if (!web_contents)
return;
Profile* profile =
Profile::FromBrowserContext(web_contents->GetBrowserContext());
InstantService* instant_service =
InstantServiceFactory::GetForProfile(profile);
// The test below matches when a remote 3P NTP is loaded. The effective
// URL is chrome-search://remote-ntp. This is to allow the use of the NTP
// public api and to embed most-visited tiles
// (chrome-search://most-visited/title.html).
if (instant_service->IsInstantProcess(render_process_id)) {
factories->emplace(
chrome::kChromeSearchScheme,
content::CreateWebUIURLLoaderFactory(
frame_host, chrome::kChromeSearchScheme,
/*allowed_webui_hosts=*/base::flat_set<std::string>()));
}
extensions::ChromeExtensionWebContentsObserver* web_observer =
extensions::ChromeExtensionWebContentsObserver::FromWebContents(
web_contents);
// There is nothing to do if no ChromeExtensionWebContentsObserver is attached
// to the |web_contents|.
if (!web_observer)
return;
const Extension* extension =
web_observer->GetExtensionFromFrame(frame_host, false);
if (!extension)
return;
std::vector<std::string> allowed_webui_hosts;
// Support for chrome:// scheme if appropriate.
if ((extension->is_extension() || extension->is_platform_app()) &&
Manifest::IsComponentLocation(extension->location())) {
// Components of chrome that are implemented as extensions or platform apps
// are allowed to use chrome://resources/ and chrome://theme/ URLs.
allowed_webui_hosts.emplace_back(content::kChromeUIResourcesHost);
allowed_webui_hosts.emplace_back(chrome::kChromeUIThemeHost);
}
if (extension->is_extension() || extension->is_legacy_packaged_app() ||
(extension->is_platform_app() &&
Manifest::IsComponentLocation(extension->location()))) {
// Extensions, legacy packaged apps, and component platform apps are allowed
// to use chrome://favicon/, chrome://extension-icon/ and chrome://app-icon
// URLs. Hosted apps are not allowed because they are served via web servers
// (and are generally never given access to Chrome APIs).
allowed_webui_hosts.emplace_back(chrome::kChromeUIExtensionIconHost);
allowed_webui_hosts.emplace_back(chrome::kChromeUIFaviconHost);
allowed_webui_hosts.emplace_back(chrome::kChromeUIAppIconHost);
}
if (!allowed_webui_hosts.empty()) {
factories->emplace(content::kChromeUIScheme,
content::CreateWebUIURLLoaderFactory(
frame_host, content::kChromeUIScheme,
std::move(allowed_webui_hosts)));
}
// Extensions with the necessary permissions get access to file:// URLs that
// gets approval from ChildProcessSecurityPolicy. Keep this logic in sync with
// ExtensionWebContentsObserver::RenderFrameCreated.
Manifest::Type type = extension->GetType();
if ((type == Manifest::TYPE_EXTENSION ||
type == Manifest::TYPE_LEGACY_PACKAGED_APP) &&
extensions::util::AllowFileAccess(extension->id(),
web_contents->GetBrowserContext())) {
factories->emplace(
url::kFileScheme,
SpecialAccessFileURLLoaderFactory::Create(render_process_id));
}
#endif // BUILDFLAG(ENABLE_EXTENSIONS)
}
bool ChromeContentBrowserClient::WillCreateURLLoaderFactory(
content::BrowserContext* browser_context,
content::RenderFrameHost* frame,
int render_process_id,
URLLoaderFactoryType type,
const url::Origin& request_initiator,
absl::optional<int64_t> navigation_id,
ukm::SourceIdObj ukm_source_id,
mojo::PendingReceiver<network::mojom::URLLoaderFactory>* factory_receiver,
mojo::PendingRemote<network::mojom::TrustedURLLoaderHeaderClient>*
header_client,
bool* bypass_redirect_checks,
bool* disable_secure_dns,
network::mojom::URLLoaderFactoryOverridePtr* factory_override) {
bool use_proxy = false;
#if BUILDFLAG(ENABLE_EXTENSIONS)
auto* web_request_api =
extensions::BrowserContextKeyedAPIFactory<extensions::WebRequestAPI>::Get(
browser_context);
// NOTE: Some unit test environments do not initialize
// BrowserContextKeyedAPI factories for e.g. WebRequest.
if (web_request_api) {
bool use_proxy_for_web_request =
web_request_api->MaybeProxyURLLoaderFactory(
browser_context, frame, render_process_id, type,
std::move(navigation_id), ukm_source_id, factory_receiver,
header_client);
if (bypass_redirect_checks)
*bypass_redirect_checks = use_proxy_for_web_request;
use_proxy |= use_proxy_for_web_request;
}
#endif
use_proxy |= signin::ProxyingURLLoaderFactory::MaybeProxyRequest(
frame, type == URLLoaderFactoryType::kNavigation, request_initiator,
factory_receiver);
auto* prefetch_proxy_service = PrefetchProxyServiceFactory::GetForProfile(
Profile::FromBrowserContext(browser_context));
// |frame| is null when |type| is service worker.
if (frame && prefetch_proxy_service) {
use_proxy |= prefetch_proxy_service->MaybeProxyURLLoaderFactory(
frame, render_process_id, type, factory_receiver);
}
#if BUILDFLAG(ENABLE_CAPTIVE_PORTAL_DETECTION)
if (disable_secure_dns) {
WebContents* web_contents = WebContents::FromRenderFrameHost(frame);
*disable_secure_dns =
web_contents &&
captive_portal::CaptivePortalTabHelper::FromWebContents(web_contents) &&
captive_portal::CaptivePortalTabHelper::FromWebContents(web_contents)
->is_captive_portal_window();
}
#endif
return use_proxy;
}
std::vector<std::unique_ptr<content::URLLoaderRequestInterceptor>>
ChromeContentBrowserClient::WillCreateURLLoaderRequestInterceptors(
content::NavigationUIData* navigation_ui_data,
int frame_tree_node_id,
const scoped_refptr<network::SharedURLLoaderFactory>&
network_loader_factory) {
std::vector<std::unique_ptr<content::URLLoaderRequestInterceptor>>
interceptors;
#if BUILDFLAG(ENABLE_OFFLINE_PAGES)
interceptors.push_back(
std::make_unique<offline_pages::OfflinePageURLLoaderRequestInterceptor>(
navigation_ui_data, frame_tree_node_id));
#endif
#if BUILDFLAG(ENABLE_PDF)
{
std::unique_ptr<content::URLLoaderRequestInterceptor> pdf_interceptor =
pdf::PdfURLLoaderRequestInterceptor::MaybeCreateInterceptor(
frame_tree_node_id, std::make_unique<ChromePdfStreamDelegate>());
if (pdf_interceptor)
interceptors.push_back(std::move(pdf_interceptor));
}
#endif
if (base::FeatureList::IsEnabled(features::kIsolatePrerenders)) {
interceptors.push_back(std::make_unique<PrefetchProxyURLLoaderInterceptor>(
frame_tree_node_id));
}
if (SearchPrefetchServiceIsEnabled()) {
interceptors.push_back(std::make_unique<SearchPrefetchURLLoaderInterceptor>(
frame_tree_node_id));
}
if (base::FeatureList::IsEnabled(features::kHttpsOnlyMode)) {
interceptors.push_back(
std::make_unique<HttpsOnlyModeUpgradeInterceptor>(frame_tree_node_id));
}
return interceptors;
}
content::ContentBrowserClient::URLLoaderRequestHandler
ChromeContentBrowserClient::
CreateURLLoaderHandlerForServiceWorkerNavigationPreload(
int frame_tree_node_id,
const network::ResourceRequest& resource_request) {
content::ContentBrowserClient::URLLoaderRequestHandler callback;
// If search prefetch is disabled, nothing needs to be handled.
if (!SearchPrefetchServiceIsEnabled()) {
return callback;
}
std::unique_ptr<SearchPrefetchURLLoader> loader =
SearchPrefetchURLLoaderInterceptor::MaybeCreateLoaderForRequest(
resource_request, frame_tree_node_id);
if (!loader) {
return callback;
}
auto* raw_loader = loader.get();
// Hand ownership of the loader to the callback, when it runs, mojo will
// manage it. If the callback is deleted, the loader will be deleted.
callback = raw_loader->ServingResponseHandler(std::move(loader));
return callback;
}
bool ChromeContentBrowserClient::WillInterceptWebSocket(
content::RenderFrameHost* frame) {
#if BUILDFLAG(ENABLE_EXTENSIONS)
if (!frame) {
return false;
}
const auto* web_request_api =
extensions::BrowserContextKeyedAPIFactory<extensions::WebRequestAPI>::Get(
frame->GetProcess()->GetBrowserContext());
// NOTE: Some unit test environments do not initialize
// BrowserContextKeyedAPI factories for e.g. WebRequest.
if (!web_request_api)
return false;
return web_request_api->MayHaveProxies();
#else
return false;
#endif
}
void ChromeContentBrowserClient::CreateWebSocket(
content::RenderFrameHost* frame,
WebSocketFactory factory,
const GURL& url,
const net::SiteForCookies& site_for_cookies,
const absl::optional<std::string>& user_agent,
mojo::PendingRemote<network::mojom::WebSocketHandshakeClient>
handshake_client) {
#if BUILDFLAG(ENABLE_EXTENSIONS)
if (!frame) {
return;
}
auto* web_request_api =
extensions::BrowserContextKeyedAPIFactory<extensions::WebRequestAPI>::Get(
frame->GetProcess()->GetBrowserContext());
DCHECK(web_request_api);
web_request_api->ProxyWebSocket(frame, std::move(factory), url,
site_for_cookies.RepresentativeUrl(),
user_agent, std::move(handshake_client));
#endif
}
void ChromeContentBrowserClient::WillCreateWebTransport(
content::RenderFrameHost* frame,
const GURL& url,
WillCreateWebTransportCallback callback) {
#if BUILDFLAG(SAFE_BROWSING_AVAILABLE)
if (!frame) {
std::move(callback).Run(absl::nullopt);
return;
}
int frame_tree_node_id = frame->GetFrameTreeNodeId();
content::WebContents* web_contents =
content::WebContents::FromFrameTreeNodeId(frame_tree_node_id);
DCHECK(web_contents);
Profile* profile =
Profile::FromBrowserContext(web_contents->GetBrowserContext());
DCHECK(profile);
auto checker = std::make_unique<safe_browsing::WebApiHandshakeChecker>(
base::BindOnce(
&ChromeContentBrowserClient::GetSafeBrowsingUrlCheckerDelegate,
base::Unretained(this),
safe_browsing::IsSafeBrowsingEnabled(*profile->GetPrefs()),
/*should_check_on_sb_disabled=*/false,
safe_browsing::GetURLAllowlistByPolicy(profile->GetPrefs())),
base::BindRepeating(&content::WebContents::FromFrameTreeNodeId,
frame_tree_node_id),
frame_tree_node_id);
auto* raw_checker = checker.get();
raw_checker->Check(
url,
base::BindOnce(
&ChromeContentBrowserClient::SafeBrowsingWebApiHandshakeChecked,
weak_factory_.GetWeakPtr(), std::move(checker), std::move(callback)));
#else
std::move(callback).Run(absl::nullopt);
#endif
}
void ChromeContentBrowserClient::SafeBrowsingWebApiHandshakeChecked(
std::unique_ptr<safe_browsing::WebApiHandshakeChecker> checker,
WillCreateWebTransportCallback callback,
safe_browsing::WebApiHandshakeChecker::CheckResult result) {
if (result == safe_browsing::WebApiHandshakeChecker::CheckResult::kProceed) {
std::move(callback).Run(absl::nullopt);
} else {
std::move(callback).Run(network::mojom::WebTransportError::New(
net::ERR_ABORTED, quic::QUIC_INTERNAL_ERROR,
"SafeBrowsing check failed", false));
}
}
bool ChromeContentBrowserClient::WillCreateRestrictedCookieManager(
network::mojom::RestrictedCookieManagerRole role,
content::BrowserContext* browser_context,
const url::Origin& origin,
const net::IsolationInfo& isolation_info,
bool is_service_worker,
int process_id,
int routing_id,
mojo::PendingReceiver<network::mojom::RestrictedCookieManager>* receiver) {
DCHECK_CURRENTLY_ON(BrowserThread::UI);
#if BUILDFLAG(ENABLE_EXTENSIONS)
if (origin.scheme() == extensions::kExtensionScheme) {
DCHECK_EQ(network::mojom::RestrictedCookieManagerRole::SCRIPT, role);
extensions::ChromeExtensionCookies::Get(browser_context)
->CreateRestrictedCookieManager(origin, isolation_info,
std::move(*receiver));
return true;
}
#endif
return false;
}
void ChromeContentBrowserClient::OnNetworkServiceCreated(
network::mojom::NetworkService* network_service) {
PrefService* local_state;
if (g_browser_process) {
DCHECK(g_browser_process->local_state());
local_state = g_browser_process->local_state();
} else {
DCHECK(startup_data_.chrome_feature_list_creator()->local_state());
local_state = startup_data_.chrome_feature_list_creator()->local_state();
}
if (!data_use_measurement::ChromeDataUseMeasurement::GetInstance())
data_use_measurement::ChromeDataUseMeasurement::CreateInstance(local_state);
// Create SystemNetworkContextManager if it has not been created yet. We need
// to set up global NetworkService state before anything else uses it and this
// is the first opportunity to initialize SystemNetworkContextManager with the
// NetworkService.
if (!SystemNetworkContextManager::HasInstance())
SystemNetworkContextManager::CreateInstance(local_state);
SystemNetworkContextManager::GetInstance()->OnNetworkServiceCreated(
network_service);
}
void ChromeContentBrowserClient::ConfigureNetworkContextParams(
content::BrowserContext* context,
bool in_memory,
const base::FilePath& relative_partition_path,
network::mojom::NetworkContextParams* network_context_params,
cert_verifier::mojom::CertVerifierCreationParams*
cert_verifier_creation_params) {
ProfileNetworkContextService* service =
ProfileNetworkContextServiceFactory::GetForContext(context);
if (service) {
service->ConfigureNetworkContextParams(in_memory, relative_partition_path,
network_context_params,
cert_verifier_creation_params);
} else {
// Set default params.
network_context_params->user_agent = GetUserAgent();
network_context_params->accept_language = GetApplicationLocale();
}
}
std::vector<base::FilePath>
ChromeContentBrowserClient::GetNetworkContextsParentDirectory() {
DCHECK(!network_contexts_parent_directory_.empty());
return network_contexts_parent_directory_;
}
base::DictionaryValue ChromeContentBrowserClient::GetNetLogConstants() {
auto platform_dict = net_log::GetPlatformConstantsForNetLog(
base::CommandLine::ForCurrentProcess()->GetCommandLineString(),
chrome::GetChannelName(chrome::WithExtendedStable(true)));
if (platform_dict)
return std::move(*platform_dict);
else
return base::DictionaryValue();
}
bool ChromeContentBrowserClient::AllowRenderingMhtmlOverHttp(
content::NavigationUIData* navigation_ui_data) {
#if BUILDFLAG(ENABLE_OFFLINE_PAGES)
// It is OK to load the saved offline copy, in MHTML format.
ChromeNavigationUIData* chrome_navigation_ui_data =
static_cast<ChromeNavigationUIData*>(navigation_ui_data);
if (!chrome_navigation_ui_data)
return false;
offline_pages::OfflinePageNavigationUIData* offline_page_data =
chrome_navigation_ui_data->GetOfflinePageNavigationUIData();
return offline_page_data && offline_page_data->is_offline_page();
#else
return false;
#endif
}
bool ChromeContentBrowserClient::ShouldForceDownloadResource(
const GURL& url,
const std::string& mime_type) {
#if BUILDFLAG(ENABLE_EXTENSIONS)
// Special-case user scripts to get downloaded instead of viewed.
return extensions::UserScript::IsURLUserScript(url, mime_type);
#else
return false;
#endif
}
void ChromeContentBrowserClient::CreateWebUsbService(
content::RenderFrameHost* render_frame_host,
mojo::PendingReceiver<blink::mojom::WebUsbService> receiver) {
if (!base::FeatureList::IsEnabled(features::kWebUsb))
return;
CHECK(render_frame_host);
FrameUsbServices::CreateFrameUsbServices(render_frame_host,
std::move(receiver));
}
content::BluetoothDelegate* ChromeContentBrowserClient::GetBluetoothDelegate() {
if (!bluetooth_delegate_) {
bluetooth_delegate_ = std::make_unique<permissions::BluetoothDelegateImpl>(
std::make_unique<ChromeBluetoothDelegateImplClient>());
}
return bluetooth_delegate_.get();
}
#if !defined(OS_ANDROID)
void ChromeContentBrowserClient::CreateDeviceInfoService(
content::RenderFrameHost* render_frame_host,
mojo::PendingReceiver<blink::mojom::DeviceAPIService> receiver) {
DCHECK(render_frame_host);
DeviceServiceImpl::Create(render_frame_host, std::move(receiver));
}
void ChromeContentBrowserClient::CreateManagedConfigurationService(
content::RenderFrameHost* render_frame_host,
mojo::PendingReceiver<blink::mojom::ManagedConfigurationService> receiver) {
DCHECK(render_frame_host);
ManagedConfigurationServiceImpl::Create(render_frame_host,
std::move(receiver));
}
content::SerialDelegate* ChromeContentBrowserClient::GetSerialDelegate() {
if (!serial_delegate_)
serial_delegate_ = std::make_unique<ChromeSerialDelegate>();
return serial_delegate_.get();
}
content::HidDelegate* ChromeContentBrowserClient::GetHidDelegate() {
if (!hid_delegate_)
hid_delegate_ = std::make_unique<ChromeHidDelegate>();
return hid_delegate_.get();
}
content::FontAccessDelegate*
ChromeContentBrowserClient::GetFontAccessDelegate() {
if (!font_access_delegate_)
font_access_delegate_ = std::make_unique<ChromeFontAccessDelegate>();
return static_cast<content::FontAccessDelegate*>(font_access_delegate_.get());
}
content::WebAuthenticationDelegate*
ChromeContentBrowserClient::GetWebAuthenticationDelegate() {
if (!web_authentication_delegate_) {
web_authentication_delegate_ =
std::make_unique<ChromeWebAuthenticationDelegate>();
}
return web_authentication_delegate_.get();
}
std::unique_ptr<content::AuthenticatorRequestClientDelegate>
ChromeContentBrowserClient::GetWebAuthenticationRequestDelegate(
content::RenderFrameHost* render_frame_host) {
return AuthenticatorRequestScheduler::CreateRequestDelegate(
render_frame_host);
}
void ChromeContentBrowserClient::ShowDirectSocketsConnectionDialog(
content::RenderFrameHost* owner,
const std::string& address,
base::OnceCallback<void(bool, const std::string&, const std::string&)>
callback) {
auto* contents = content::WebContents::FromRenderFrameHost(owner);
if (!contents)
return;
auto* browser = chrome::FindBrowserWithWebContents(contents);
if (!browser ||
browser->tab_strip_model()->GetActiveWebContents() != contents) {
std::move(callback).Run(false, std::string(), std::string());
return;
}
chrome::ShowDirectSocketsConnectionDialog(browser, address,
std::move(callback));
}
#endif
std::unique_ptr<net::ClientCertStore>
ChromeContentBrowserClient::CreateClientCertStore(
content::BrowserContext* browser_context) {
return ProfileNetworkContextServiceFactory::GetForContext(browser_context)
->CreateClientCertStore();
}
std::unique_ptr<content::LoginDelegate>
ChromeContentBrowserClient::CreateLoginDelegate(
const net::AuthChallengeInfo& auth_info,
content::WebContents* web_contents,
const content::GlobalRequestID& request_id,
bool is_request_for_main_frame,
const GURL& url,
scoped_refptr<net::HttpResponseHeaders> response_headers,
bool first_auth_attempt,
LoginAuthRequiredCallback auth_required_callback) {
#if BUILDFLAG(IS_CHROMEOS_ASH)
chromeos::SystemProxyManager* system_proxy_manager =
chromeos::SystemProxyManager::Get();
// For Managed Guest Session and Kiosk devices, the credentials configured
// via the policy SystemProxySettings may be used for proxy authentication.
// Note: |system_proxy_manager| may be missing in tests.
if (system_proxy_manager && system_proxy_manager->CanUsePolicyCredentials(
auth_info, first_auth_attempt)) {
return system_proxy_manager->CreateLoginDelegate(
std::move(auth_required_callback));
}
#endif // BUILDFLAG(IS_CHROMEOS_ASH)
// For subresources, create a LoginHandler directly, which may show a login
// prompt to the user. Main frame resources go through LoginTabHelper, which
// manages a more complicated flow to avoid confusion about which website is
// showing the prompt.
if (is_request_for_main_frame) {
LoginTabHelper::CreateForWebContents(web_contents);
return LoginTabHelper::FromWebContents(web_contents)
->CreateAndStartMainFrameLoginDelegate(
auth_info, web_contents, request_id, url, response_headers,
std::move(auth_required_callback));
}
std::unique_ptr<LoginHandler> login_handler = LoginHandler::Create(
auth_info, web_contents, std::move(auth_required_callback));
login_handler->StartSubresource(request_id, url, response_headers);
return login_handler;
}
bool ChromeContentBrowserClient::HandleExternalProtocol(
const GURL& url,
content::WebContents::Getter web_contents_getter,
int child_id,
int frame_tree_node_id,
content::NavigationUIData* navigation_data,
bool is_main_frame,
ui::PageTransition page_transition,
bool has_user_gesture,
const absl::optional<url::Origin>& initiating_origin,
mojo::PendingRemote<network::mojom::URLLoaderFactory>* out_factory) {
#if BUILDFLAG(ENABLE_EXTENSIONS)
// External protocols are disabled for guests. An exception is made for the
// "mailto" protocol, so that pages that utilize it work properly in a
// WebView.
ChromeNavigationUIData* chrome_data =
static_cast<ChromeNavigationUIData*>(navigation_data);
if ((extensions::WebViewRendererState::GetInstance()->IsGuest(child_id) ||
(chrome_data &&
chrome_data->GetExtensionNavigationUIData()->is_web_view())) &&
!url.SchemeIs(url::kMailToScheme)) {
return false;
}
#endif // BUILDFLAG(ENABLE_EXTENSIONS)
#if defined(OS_ANDROID)
// Main frame external protocols are handled by
// InterceptNavigationResourceThrottle.
if (is_main_frame)
return false;
#endif // defined(ANDROID)
content::GetUIThreadTaskRunner({})->PostTask(
FROM_HERE,
base::BindOnce(&LaunchURL, url, std::move(web_contents_getter),
page_transition, has_user_gesture, initiating_origin));
return true;
}
std::unique_ptr<content::OverlayWindow>
ChromeContentBrowserClient::CreateWindowForPictureInPicture(
content::PictureInPictureWindowController* controller) {
// Note: content::OverlayWindow::Create() is defined by platform-specific
// implementation in chrome/browser/ui/views. This layering hack, which goes
// through //content and ContentBrowserClient, allows us to work around the
// dependency constraints that disallow directly calling
// chrome/browser/ui/views code either from here or from other code in
// chrome/browser.
return content::OverlayWindow::Create(controller);
}
void ChromeContentBrowserClient::RegisterRendererPreferenceWatcher(
content::BrowserContext* browser_context,
mojo::PendingRemote<blink::mojom::RendererPreferenceWatcher> watcher) {
Profile* profile = Profile::FromBrowserContext(browser_context);
PrefWatcher::Get(profile)->RegisterRendererPreferenceWatcher(
std::move(watcher));
}
// Static; handles rewriting Web UI URLs.
bool ChromeContentBrowserClient::HandleWebUI(
GURL* url,
content::BrowserContext* browser_context) {
DCHECK(browser_context);
// Rewrite chrome://help to chrome://settings/help.
if (url->SchemeIs(content::kChromeUIScheme) &&
url->host() == chrome::kChromeUIHelpHost) {
*url = ReplaceURLHostAndPath(*url, chrome::kChromeUISettingsHost,
chrome::kChromeUIHelpHost);
}
// Replace deprecated cookie settings URL with the current version.
if (*url == GURL(chrome::kChromeUICookieSettingsDeprecatedURL)) {
*url = GURL(chrome::kChromeUICookieSettingsURL);
}
#if defined(OS_WIN)
// TODO(crbug.com/1003960): Remove when issue is resolved.
if (url->SchemeIs(content::kChromeUIScheme) &&
url->host() == chrome::kChromeUIWelcomeWin10Host) {
url::Replacements<char> replacements;
replacements.SetHost(
chrome::kChromeUIWelcomeHost,
url::Component(0, strlen(chrome::kChromeUIWelcomeHost)));
*url = url->ReplaceComponents(replacements);
return true;
}
#endif // defined(OS_WIN)
if (!ChromeWebUIControllerFactory::GetInstance()->UseWebUIForURL(
browser_context, *url)) {
return false;
}
#if BUILDFLAG(IS_CHROMEOS_ASH)
// Special case : in ChromeOS in Guest mode bookmarks and history are
// disabled for security reasons. New tab page explains the reasons, so
// we redirect user to new tab page.
if (user_manager::UserManager::Get()->IsLoggedInAsGuest()) {
if (url->SchemeIs(content::kChromeUIScheme) &&
(url->DomainIs(chrome::kChromeUIBookmarksHost) ||
url->DomainIs(chrome::kChromeUIHistoryHost))) {
// Rewrite with new tab URL
*url = GURL(chrome::kChromeUINewTabURL);
}
}
if (IsSystemFeatureURLDisabled(*url)) {
*url = ReplaceURLHostAndPath(*url, chrome::kChromeUIAppDisabledHost, "");
return true;
}
#endif
return true;
}
bool ChromeContentBrowserClient::ShowPaymentHandlerWindow(
content::BrowserContext* browser_context,
const GURL& url,
base::OnceCallback<void(bool, int, int)> callback) {
#if defined(OS_ANDROID)
return false;
#else
payments::PaymentRequestDisplayManagerFactory::GetInstance()
->GetForBrowserContext(browser_context)
->ShowPaymentHandlerWindow(url, std::move(callback));
return true;
#endif
}
// static
bool ChromeContentBrowserClient::HandleWebUIReverse(
GURL* url,
content::BrowserContext* browser_context) {
#if defined(OS_WIN)
// TODO(crbug.com/1003960): Remove when issue is resolved.
// No need to actually reverse-rewrite the URL, but return true to update the
// displayed URL when rewriting chrome://welcome-win10 to chrome://welcome.
if (url->SchemeIs(content::kChromeUIScheme) &&
url->host() == chrome::kChromeUIWelcomeHost) {
return true;
}
#endif // defined(OS_WIN)
// No need to actually reverse-rewrite the URL, but return true to update the
// displayed URL when rewriting chrome://help to chrome://settings/help.
return url->SchemeIs(content::kChromeUIScheme) &&
url->host() == chrome::kChromeUISettingsHost;
}
const ui::NativeTheme* ChromeContentBrowserClient::GetWebTheme() const {
return ui::NativeTheme::GetInstanceForWeb();
}
scoped_refptr<safe_browsing::UrlCheckerDelegate>
ChromeContentBrowserClient::GetSafeBrowsingUrlCheckerDelegate(
bool safe_browsing_enabled_for_profile,
bool should_check_on_sb_disabled,
const std::vector<std::string>& allowlist_domains) {
DCHECK_CURRENTLY_ON(BrowserThread::IO);
// Should not bypass safe browsing check if the check is for enterprise
// lookup.
if (!safe_browsing_enabled_for_profile && !should_check_on_sb_disabled)
return nullptr;
// |safe_browsing_service_| may be unavailable in tests.
if (safe_browsing_service_ && !safe_browsing_url_checker_delegate_) {
safe_browsing_url_checker_delegate_ =
base::MakeRefCounted<safe_browsing::UrlCheckerDelegateImpl>(
safe_browsing_service_->database_manager(),
safe_browsing_service_->ui_manager());
}
// Update allowlist domains.
if (safe_browsing_url_checker_delegate_) {
safe_browsing_url_checker_delegate_->SetPolicyAllowlistDomains(
allowlist_domains);
}
return safe_browsing_url_checker_delegate_;
}
safe_browsing::RealTimeUrlLookupServiceBase*
ChromeContentBrowserClient::GetUrlLookupService(
content::BrowserContext* browser_context,
bool is_enterprise_lookup_enabled,
bool is_consumer_lookup_enabled) {
// |safe_browsing_service_| may be unavailable in tests.
if (!safe_browsing_service_) {
return nullptr;
}
Profile* profile = Profile::FromBrowserContext(browser_context);
#if BUILDFLAG(SAFE_BROWSING_DB_LOCAL)
if (is_enterprise_lookup_enabled) {
return safe_browsing::ChromeEnterpriseRealTimeUrlLookupServiceFactory::
GetForProfile(profile);
}
#endif
if (is_consumer_lookup_enabled) {
return safe_browsing::RealTimeUrlLookupServiceFactory::GetForProfile(
profile);
}
return nullptr;
}
absl::optional<std::string>
ChromeContentBrowserClient::GetOriginPolicyErrorPage(
network::OriginPolicyState error_reason,
content::NavigationHandle* handle) {
return security_interstitials::OriginPolicyUI::GetErrorPageAsHTML(
error_reason, handle);
}
bool ChromeContentBrowserClient::CanAcceptUntrustedExchangesIfNeeded() {
// We require --user-data-dir flag too so that no dangerous changes are made
// in the user's regular profile.
return base::CommandLine::ForCurrentProcess()->HasSwitch(
switches::kUserDataDir);
}
void ChromeContentBrowserClient::OnNetworkServiceDataUseUpdate(
int process_id,
int routing_id,
int32_t network_traffic_annotation_id_hash,
int64_t recv_bytes,
int64_t sent_bytes) {
if (data_use_measurement::ChromeDataUseMeasurement::GetInstance()) {
data_use_measurement::ChromeDataUseMeasurement::GetInstance()
->ReportNetworkServiceDataUse(network_traffic_annotation_id_hash,
recv_bytes, sent_bytes);
}
#if !defined(OS_ANDROID)
task_manager::TaskManagerInterface::UpdateAccumulatedStatsNetworkForRoute(
process_id, routing_id, recv_bytes, sent_bytes);
#endif
}
base::FilePath
ChromeContentBrowserClient::GetSandboxedStorageServiceDataDirectory() {
if (!g_browser_process || !g_browser_process->profile_manager())
return base::FilePath();
return g_browser_process->profile_manager()->user_data_dir();
}
bool ChromeContentBrowserClient::ShouldSandboxAudioService() {
return IsAudioServiceSandboxEnabled();
}
void ChromeContentBrowserClient::LogWebFeatureForCurrentPage(
content::RenderFrameHost* render_frame_host,
blink::mojom::WebFeature feature) {
DCHECK_CURRENTLY_ON(BrowserThread::UI);
page_load_metrics::MetricsWebContentsObserver::RecordFeatureUsage(
render_frame_host, feature);
}
std::string ChromeContentBrowserClient::GetProduct() {
return embedder_support::GetProduct();
}
std::string ChromeContentBrowserClient::GetUserAgent() {
return embedder_support::GetUserAgent();
}
std::string ChromeContentBrowserClient::GetReducedUserAgent() {
return embedder_support::GetReducedUserAgent();
}
blink::UserAgentMetadata ChromeContentBrowserClient::GetUserAgentMetadata() {
return embedder_support::GetUserAgentMetadata();
}
absl::optional<gfx::ImageSkia> ChromeContentBrowserClient::GetProductLogo() {
// This icon is available on Android, but adds 19KiB to the APK. Since it
// isn't used on Android we exclude it to avoid bloat.
#if !defined(OS_ANDROID)
return absl::optional<gfx::ImageSkia>(
*ui::ResourceBundle::GetSharedInstance().GetImageSkiaNamed(
IDR_PRODUCT_LOGO_256));
#else
return absl::nullopt;
#endif
}
bool ChromeContentBrowserClient::IsBuiltinComponent(
content::BrowserContext* browser_context,
const url::Origin& origin) {
#if BUILDFLAG(ENABLE_EXTENSIONS)
return ChromeContentBrowserClientExtensionsPart::IsBuiltinComponent(
browser_context, origin);
#else
return false;
#endif
}
bool ChromeContentBrowserClient::ShouldBlockRendererDebugURL(
const GURL& url,
content::BrowserContext* context) {
PolicyBlocklistService* service =
PolicyBlocklistFactory::GetForBrowserContext(context);
using URLBlocklistState = policy::URLBlocklist::URLBlocklistState;
URLBlocklistState blocklist_state = service->GetURLBlocklistState(url);
return blocklist_state == URLBlocklistState::URL_IN_BLOCKLIST;
}
ui::AXMode ChromeContentBrowserClient::GetAXModeForBrowserContext(
content::BrowserContext* browser_context) {
Profile* profile = Profile::FromBrowserContext(browser_context);
return AccessibilityLabelsServiceFactory::GetForProfile(profile)->GetAXMode();
}
#if defined(OS_ANDROID)
content::ContentBrowserClient::WideColorGamutHeuristic
ChromeContentBrowserClient::GetWideColorGamutHeuristic() {
if (viz::AlwaysUseWideColorGamut() ||
features::IsDynamicColorGamutEnabled()) {
return WideColorGamutHeuristic::kUseDisplay;
}
if (display::Display::HasForceDisplayColorProfile() &&
display::Display::GetForcedDisplayColorProfile() ==
gfx::ColorSpace::CreateDisplayP3D65()) {
return WideColorGamutHeuristic::kUseDisplay;
}
return WideColorGamutHeuristic::kNone;
}
#endif
base::flat_set<std::string>
ChromeContentBrowserClient::GetPluginMimeTypesWithExternalHandlers(
content::BrowserContext* browser_context) {
base::flat_set<std::string> mime_types;
#if BUILDFLAG(ENABLE_PLUGINS)
auto map = PluginUtils::GetMimeTypeToExtensionIdMap(browser_context);
for (const auto& pair : map)
mime_types.insert(pair.first);
#endif
#if BUILDFLAG(ENABLE_PDF)
if (pdf::IsInternalPluginExternallyHandled())
mime_types.insert(pdf::kInternalPluginMimeType);
#endif
return mime_types;
}
void ChromeContentBrowserClient::AugmentNavigationDownloadPolicy(
content::WebContents* web_contents,
content::RenderFrameHost* frame_host,
bool user_gesture,
blink::NavigationDownloadPolicy* download_policy) {
const auto* throttle_manager =
subresource_filter::ContentSubresourceFilterThrottleManager::FromPage(
frame_host->GetPage());
if (throttle_manager &&
throttle_manager->IsRenderFrameHostTaggedAsAd(frame_host)) {
download_policy->SetAllowed(blink::NavigationDownloadType::kAdFrame);
if (!user_gesture) {
if (base::FeatureList::IsEnabled(
blink::features::
kBlockingDownloadsInAdFrameWithoutUserActivation)) {
download_policy->SetDisallowed(
blink::NavigationDownloadType::kAdFrameNoGesture);
} else {
download_policy->SetAllowed(
blink::NavigationDownloadType::kAdFrameNoGesture);
}
}
}
}
blink::mojom::InterestCohortPtr
ChromeContentBrowserClient::GetInterestCohortForJsApi(
content::WebContents* web_contents,
const GURL& url,
const absl::optional<url::Origin>& top_frame_origin) {
federated_learning::FlocEligibilityObserver::GetOrCreateForCurrentDocument(
web_contents->GetMainFrame())
->OnInterestCohortApiUsed();
federated_learning::FlocIdProvider* floc_id_provider =
federated_learning::FlocIdProviderFactory::GetForProfile(
Profile::FromBrowserContext(web_contents->GetBrowserContext()));
if (!floc_id_provider)
return blink::mojom::InterestCohort::New();
return floc_id_provider->GetInterestCohortForJsApi(url, top_frame_origin);
}
bool ChromeContentBrowserClient::IsBluetoothScanningBlocked(
content::BrowserContext* browser_context,
const url::Origin& requesting_origin,
const url::Origin& embedding_origin) {
const HostContentSettingsMap* const content_settings =
HostContentSettingsMapFactory::GetForProfile(
Profile::FromBrowserContext(browser_context));
if (content_settings->GetContentSetting(
requesting_origin.GetURL(), embedding_origin.GetURL(),
ContentSettingsType::BLUETOOTH_SCANNING) == CONTENT_SETTING_BLOCK) {
return true;
}
return false;
}
void ChromeContentBrowserClient::BlockBluetoothScanning(
content::BrowserContext* browser_context,
const url::Origin& requesting_origin,
const url::Origin& embedding_origin) {
HostContentSettingsMap* const content_settings =
HostContentSettingsMapFactory::GetForProfile(
Profile::FromBrowserContext(browser_context));
content_settings->SetContentSettingDefaultScope(
requesting_origin.GetURL(), embedding_origin.GetURL(),
ContentSettingsType::BLUETOOTH_SCANNING, CONTENT_SETTING_BLOCK);
}
bool ChromeContentBrowserClient::ShouldLoadExtraIcuDataFile(
std::string* split_name) {
#if defined(OS_ANDROID)
*split_name = "extra_icu";
return extra_icu::ModuleProvider::IsModuleInstalled();
#endif
return false;
}
bool ChromeContentBrowserClient::ArePersistentMediaDeviceIDsAllowed(
content::BrowserContext* browser_context,
const GURL& url,
const GURL& site_for_cookies,
const absl::optional<url::Origin>& top_frame_origin) {
// Persistent MediaDevice IDs are allowed if cookies are allowed.
return CookieSettingsFactory::GetForProfile(
Profile::FromBrowserContext(browser_context))
->IsFullCookieAccessAllowed(url, site_for_cookies, top_frame_origin);
}
#if !defined(OS_ANDROID)
base::OnceClosure ChromeContentBrowserClient::FetchRemoteSms(
content::WebContents* web_contents,
const std::vector<url::Origin>& origin_list,
base::OnceCallback<void(absl::optional<std::vector<url::Origin>>,
absl::optional<std::string>,
absl::optional<content::SmsFetchFailureType>)>
callback) {
return ::FetchRemoteSms(web_contents, origin_list, std::move(callback));
}
#endif
bool ChromeContentBrowserClient::IsClipboardPasteAllowed(
content::RenderFrameHost* render_frame_host) {
DCHECK(render_frame_host);
const GURL& url = render_frame_host->GetLastCommittedOrigin().GetURL();
content::BrowserContext* browser_context =
WebContents::FromRenderFrameHost(render_frame_host)->GetBrowserContext();
Profile* profile = Profile::FromBrowserContext(browser_context);
DCHECK(profile);
content::PermissionController* permission_controller =
browser_context->GetPermissionController();
blink::mojom::PermissionStatus status =
permission_controller->GetPermissionStatusForFrame(
content::PermissionType::CLIPBOARD_READ_WRITE, render_frame_host,
url);
// True if this paste is executed from an extension URL with read permission.
bool is_extension_paste_allowed = false;
// True if any active extension can use content scripts to read on this page.
bool is_content_script_paste_allowed = false;
#if BUILDFLAG(ENABLE_EXTENSIONS)
// TODO(https://crbug.com/982361): Provide proper browser-side content script
// tracking below, possibly based on hooks like those in
// URLLoaderFactoryManager's WillExecuteCode() and ReadyToCommitNavigation().
// Until this is implemented, platforms supporting extensions (all platforms
// except Android) will essentially no-op here and return true.
is_content_script_paste_allowed = true;
if (url.SchemeIs(extensions::kExtensionScheme)) {
auto* process_map = extensions::ProcessMap::Get(profile);
auto* registry = extensions::ExtensionRegistry::Get(profile);
is_extension_paste_allowed = URLHasExtensionPermission(
process_map, registry, url, render_frame_host->GetProcess()->GetID(),
APIPermissionID::kClipboardRead);
}
#endif // BUILDFLAG(ENABLE_EXTENSIONS)
if (!is_extension_paste_allowed && !is_content_script_paste_allowed &&
!render_frame_host->HasTransientUserActivation() &&
status != blink::mojom::PermissionStatus::GRANTED) {
// Paste requires either (1) origination from a chrome extension, (2) user
// activation, or (3) granted web permission.
return false;
}
return true;
}
void ChromeContentBrowserClient::IsClipboardPasteContentAllowed(
content::WebContents* web_contents,
const GURL& url,
const ui::ClipboardFormatType& data_type,
const std::string& data,
IsClipboardPasteContentAllowedCallback callback) {
#if BUILDFLAG(FULL_SAFE_BROWSING)
// Safe browsing does not support images, so accept without checking.
// TODO(crbug.com/1013584): check policy on what to do about unsupported
// types when it is implemented.
if (data_type == ui::ClipboardFormatType::BitmapType()) {
std::move(callback).Run(ClipboardPasteContentAllowed(true));
return;
}
Profile* profile =
Profile::FromBrowserContext(web_contents->GetBrowserContext());
enterprise_connectors::ContentAnalysisDelegate::Data dialog_data;
if (enterprise_connectors::ContentAnalysisDelegate::IsEnabled(
profile, url, &dialog_data,
enterprise_connectors::AnalysisConnector::BULK_DATA_ENTRY)) {
dialog_data.text.push_back(data);
enterprise_connectors::ContentAnalysisDelegate::CreateForWebContents(
web_contents, std::move(dialog_data),
base::BindOnce(
[](IsClipboardPasteContentAllowedCallback callback,
const enterprise_connectors::ContentAnalysisDelegate::Data& data,
const enterprise_connectors::ContentAnalysisDelegate::Result&
result) {
std::move(callback).Run(
ClipboardPasteContentAllowed(result.text_results[0]));
},
std::move(callback)),
safe_browsing::DeepScanAccessPoint::PASTE);
} else {
std::move(callback).Run(ClipboardPasteContentAllowed(true));
}
#else
std::move(callback).Run(ClipboardPasteContentAllowed(true));
#endif // BUILDFLAG(FULL_SAFE_BROWSING)
}
#if BUILDFLAG(ENABLE_PLUGINS)
bool ChromeContentBrowserClient::ShouldAllowPluginCreation(
const url::Origin& embedder_origin,
const content::PepperPluginInfo& plugin_info) {
#if BUILDFLAG(ENABLE_PDF)
if (plugin_info.name == ChromeContentClient::kPDFInternalPluginName) {
return IsPdfInternalPluginAllowedOrigin(embedder_origin);
}
#endif // BUILDFLAG(ENABLE_PDF)
return true;
}
#endif // BUILDFLAG(ENABLE_PLUGINS)
#if BUILDFLAG(ENABLE_VR)
content::XrIntegrationClient*
ChromeContentBrowserClient::GetXrIntegrationClient() {
if (!xr_integration_client_)
xr_integration_client_ = std::make_unique<vr::ChromeXrIntegrationClient>(
base::PassKey<ChromeContentBrowserClient>());
return xr_integration_client_.get();
}
#endif // BUILDFLAG(ENABLE_VR)
bool ChromeContentBrowserClient::IsOriginTrialRequiredForAppCache(
content::BrowserContext* browser_context) {
auto* profile = Profile::FromBrowserContext(browser_context);
auto* prefs = profile->GetPrefs();
if (prefs->HasPrefPath(prefs::kAppCacheForceEnabled) &&
prefs->GetBoolean(prefs::kAppCacheForceEnabled)) {
return false;
}
if (base::FeatureList::IsEnabled(
blink::features::kAppCacheRequireOriginTrial)) {
return true;
}
return false;
}
void ChromeContentBrowserClient::BindBrowserControlInterface(
mojo::ScopedMessagePipeHandle pipe) {
#if BUILDFLAG(IS_CHROMEOS_LACROS)
chromeos::LacrosService::Get()->BindReceiver(
chrome::GetVersionString(chrome::WithExtendedStable(true)));
#endif
}
bool ChromeContentBrowserClient::
ShouldInheritCrossOriginEmbedderPolicyImplicitly(const GURL& url) {
#if BUILDFLAG(ENABLE_EXTENSIONS)
return url.SchemeIs(extensions::kExtensionScheme);
#else
return false;
#endif
}
bool ChromeContentBrowserClient::ShouldAllowInsecurePrivateNetworkRequests(
content::BrowserContext* browser_context,
const url::Origin& origin) {
return content_settings::ShouldAllowInsecurePrivateNetworkRequests(
HostContentSettingsMapFactory::GetForProfile(browser_context), origin);
}
bool ChromeContentBrowserClient::IsJitDisabledForSite(
content::BrowserContext* browser_context,
const GURL& site_url) {
Profile* profile = Profile::FromBrowserContext(browser_context);
auto* map = HostContentSettingsMapFactory::GetForProfile(profile);
// Special case to determine if any policy is set.
if (site_url.is_empty()) {
return map->GetDefaultContentSetting(ContentSettingsType::JAVASCRIPT_JIT,
nullptr) == CONTENT_SETTING_BLOCK;
}
// Only disable JIT for web schemes.
if (!site_url.SchemeIsHTTPOrHTTPS())
return false;
return (map->GetContentSetting(site_url, site_url,
ContentSettingsType::JAVASCRIPT_JIT) ==
CONTENT_SETTING_BLOCK);
}
ukm::UkmService* ChromeContentBrowserClient::GetUkmService() {
return g_browser_process->GetMetricsServicesManager()->GetUkmService();
}
void ChromeContentBrowserClient::OnKeepaliveRequestStarted(
content::BrowserContext* context) {
#if !defined(OS_ANDROID)
// TODO(crbug.com/1161996): Remove this entry once the investigation is
// done.
VLOG(1) << "OnKeepaliveRequestStarted: " << num_keepalive_requests_ << " ==> "
<< num_keepalive_requests_ + 1;
++num_keepalive_requests_;
DCHECK_GT(num_keepalive_requests_, 0u);
if (!context) {
// We somehow failed to associate the request and the BrowserContext. Bail
// out.
return;
}
const auto now = base::TimeTicks::Now();
const auto timeout = GetKeepaliveTimerTimeout(context);
keepalive_deadline_ = std::max(keepalive_deadline_, now + timeout);
if (keepalive_deadline_ > now && !keepalive_timer_.IsRunning()) {
// TODO(crbug.com/1161996): Remove this entry once the investigation is
// done.
VLOG(1) << "Starting a keepalive timer(" << timeout.InSecondsF()
<< " seconds)";
keepalive_timer_.Start(
FROM_HERE, keepalive_deadline_ - now,
base::BindOnce(
&ChromeContentBrowserClient::OnKeepaliveTimerFired,
weak_factory_.GetWeakPtr(),
std::make_unique<ScopedKeepAlive>(
KeepAliveOrigin::BROWSER, KeepAliveRestartOption::DISABLED)));
}
#endif // !defined(OS_ANDROID)
}
void ChromeContentBrowserClient::OnKeepaliveRequestFinished() {
#if !defined(OS_ANDROID)
DCHECK_GT(num_keepalive_requests_, 0u);
// TODO(crbug.com/1161996): Remove this entry once the investigation is
// done.
VLOG(1) << "OnKeepaliveRequestFinished: " << num_keepalive_requests_
<< " ==> " << num_keepalive_requests_ - 1;
--num_keepalive_requests_;
if (num_keepalive_requests_ == 0) {
// TODO(crbug.com/1161996): Remove this entry once the investigation is
// done.
VLOG(1) << "Stopping the keepalive timer";
keepalive_timer_.Stop();
// This deletes the keep alive handle attached to the timer function and
// unblock the shutdown sequence.
}
#endif // !defined(OS_ANDROID)
}
#if defined(OS_MAC)
bool ChromeContentBrowserClient::SetupEmbedderSandboxParameters(
sandbox::policy::SandboxType sandbox_type,
sandbox::SeatbeltExecClient* client) {
if (sandbox_type == sandbox::policy::SandboxType::kSpeechRecognition) {
base::FilePath soda_component_path = speech::GetSodaDirectory();
CHECK(!soda_component_path.empty());
CHECK(client->SetParameter(sandbox::policy::kParamSodaComponentPath,
soda_component_path.value()));
base::FilePath soda_language_pack_path =
speech::GetSodaLanguagePacksDirectory();
CHECK(!soda_language_pack_path.empty());
CHECK(client->SetParameter(sandbox::policy::kParamSodaLanguagePackPath,
soda_language_pack_path.value()));
return true;
}
return false;
}
#endif // defined(OS_MAC)
void ChromeContentBrowserClient::GetHyphenationDictionary(
base::OnceCallback<void(const base::FilePath&)> callback) {
#if BUILDFLAG(USE_MINIKIN_HYPHENATION) && !defined(OS_ANDROID)
component_updater::HyphenationComponentInstallerPolicy::
GetHyphenationDictionary(std::move(callback));
#endif
}
bool ChromeContentBrowserClient::HasErrorPage(int http_status_code) {
// Use an internal error page, if we have one for the status code.
return error_page::LocalizedError::HasStrings(
error_page::Error::kHttpErrorDomain, http_status_code);
}
std::unique_ptr<content::IdentityRequestDialogController>
ChromeContentBrowserClient::CreateIdentityRequestDialogController() {
return std::make_unique<IdentityDialogController>();
}
bool ChromeContentBrowserClient::SuppressDifferentOriginSubframeJSDialogs(
content::BrowserContext* browser_context) {
Profile* profile = Profile::FromBrowserContext(browser_context);
if (!profile->GetPrefs()->GetBoolean(
prefs::kSuppressDifferentOriginSubframeJSDialogs)) {
return false;
}
return ContentBrowserClient::SuppressDifferentOriginSubframeJSDialogs(
browser_context);
}
std::unique_ptr<content::SpeculationHostDelegate>
ChromeContentBrowserClient::CreateSpeculationHostDelegate(
content::RenderFrameHost& render_frame_host) {
return std::make_unique<ChromeSpeculationHostDelegate>(render_frame_host);
}
#if !defined(OS_ANDROID)
base::TimeDelta ChromeContentBrowserClient::GetKeepaliveTimerTimeout(
content::BrowserContext* context) {
Profile* profile = Profile::FromBrowserContext(context);
PrefService* prefs = profile->GetPrefs();
if (!prefs) {
return base::TimeDelta();
}
const int seconds =
prefs->GetInteger(prefs::kFetchKeepaliveDurationOnShutdown);
// The preference is set only be the corresponding enterprise policy, and
// we have minimum/maximum values on it.
DCHECK_LE(0, seconds);
DCHECK_LE(seconds, 5);
return base::TimeDelta::FromSeconds(seconds);
}
void ChromeContentBrowserClient::OnKeepaliveTimerFired(
std::unique_ptr<ScopedKeepAlive> keep_alive_handle) {
// TODO(crbug.com/1161996): Remove this entry once the investigation is done.
VLOG(1) << "OnKeepaliveTimerFired";
const auto now = base::TimeTicks::Now();
const auto then = keepalive_deadline_;
if (now < then) {
// TODO(crbug.com/1161996): Remove this entry once the investigation is
// done.
VLOG(1) << "Extending keepalive timer";
keepalive_timer_.Start(
FROM_HERE, then - now,
base::BindOnce(&ChromeContentBrowserClient::OnKeepaliveTimerFired,
weak_factory_.GetWeakPtr(),
std::move(keep_alive_handle)));
}
}
#endif