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chromium / chromium / src / 50b0c058051299049fee839f6622858c9564c47c / . / chrome / browser / chrome_content_browser_client.cc
blob: 3d1a4c9495f46062e8dee8596f45fe536c136ef1 [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 <map>
#include <set>
#include <utility>
#include <vector>
#include "base/base_switches.h"
#include "base/bind.h"
#include "base/bind_helpers.h"
#include "base/command_line.h"
#include "base/files/scoped_file.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/stl_util.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 "base/strings/utf_string_conversions.h"
#include "base/system/sys_info.h"
#include "base/task/post_task.h"
#include "base/threading/thread_task_runner_handle.h"
#include "build/build_config.h"
#include "chrome/app/chrome_content_browser_overlay_manifest.h"
#include "chrome/app/chrome_content_gpu_overlay_manifest.h"
#include "chrome/app/chrome_content_renderer_overlay_manifest.h"
#include "chrome/app/chrome_content_utility_overlay_manifest.h"
#include "chrome/app/chrome_packaged_service_manifests.h"
#include "chrome/app/chrome_renderer_manifest.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/browser_about_handler.h"
#include "chrome/browser/browser_process.h"
#include "chrome/browser/browsing_data/browsing_data_helper.h"
#include "chrome/browser/browsing_data/chrome_browsing_data_remover_delegate.h"
#include "chrome/browser/cache_stats_recorder.h"
#include "chrome/browser/chrome_content_browser_client_parts.h"
#include "chrome/browser/chrome_quota_permission_context.h"
#include "chrome/browser/content_settings/cookie_settings_factory.h"
#include "chrome/browser/content_settings/host_content_settings_map_factory.h"
#include "chrome/browser/content_settings/tab_specific_content_settings.h"
#include "chrome/browser/data_reduction_proxy/data_reduction_proxy_chrome_settings.h"
#include "chrome/browser/data_reduction_proxy/data_reduction_proxy_chrome_settings_factory.h"
#include "chrome/browser/data_use_measurement/chrome_data_use_measurement.h"
#include "chrome/browser/defaults.h"
#include "chrome/browser/download/download_prefs.h"
#include "chrome/browser/external_protocol/external_protocol_handler.h"
#include "chrome/browser/font_family_cache.h"
#include "chrome/browser/language/translate_frame_binder.h"
#include "chrome/browser/lifetime/browser_shutdown.h"
#include "chrome/browser/loader/chrome_navigation_data.h"
#include "chrome/browser/lookalikes/lookalike_url_navigation_throttle.h"
#include "chrome/browser/media/router/media_router_feature.h"
#include "chrome/browser/media/router/presentation/presentation_service_delegate_impl.h"
#include "chrome/browser/media/router/presentation/receiver_presentation_service_delegate_impl.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_handler_host.h"
#include "chrome/browser/metrics/chrome_browser_main_extra_parts_metrics.h"
#include "chrome/browser/nacl_host/nacl_browser_delegate_impl.h"
#include "chrome/browser/navigation_predictor/navigation_predictor.h"
#include "chrome/browser/net/system_network_context_manager.h"
#include "chrome/browser/net_benchmarking.h"
#include "chrome/browser/notifications/platform_notification_service_factory.h"
#include "chrome/browser/notifications/platform_notification_service_impl.h"
#include "chrome/browser/page_load_metrics/metrics_navigation_throttle.h"
#include "chrome/browser/page_load_metrics/metrics_web_contents_observer.h"
#include "chrome/browser/page_load_metrics/page_load_metrics_util.h"
#include "chrome/browser/password_manager/chrome_password_manager_client.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/permissions/attestation_permission_request.h"
#include "chrome/browser/permissions/permission_context_base.h"
#include "chrome/browser/permissions/permission_request_manager.h"
#include "chrome/browser/platform_util.h"
#include "chrome/browser/plugins/pdf_iframe_navigation_throttle.h"
#include "chrome/browser/plugins/plugin_utils.h"
#include "chrome/browser/policy/cloud/policy_header_navigation_throttle.h"
#include "chrome/browser/predictors/loading_predictor.h"
#include "chrome/browser/predictors/loading_predictor_factory.h"
#include "chrome/browser/prerender/prerender_final_status.h"
#include "chrome/browser/prerender/prerender_manager.h"
#include "chrome/browser/prerender/prerender_manager_factory.h"
#include "chrome/browser/prerender/prerender_message_filter.h"
#include "chrome/browser/prerender/prerender_util.h"
#include "chrome/browser/previews/previews_content_util.h"
#include "chrome/browser/previews/previews_lite_page_decider.h"
#include "chrome/browser/previews/previews_lite_page_navigation_throttle.h"
#include "chrome/browser/previews/previews_lite_page_url_loader_interceptor.h"
#include "chrome/browser/previews/previews_service.h"
#include "chrome/browser/previews/previews_service_factory.h"
#include "chrome/browser/previews/previews_ui_tab_helper.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/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/profiling_host/profiling_process_host.h"
#include "chrome/browser/renderer_host/chrome_navigation_ui_data.h"
#include "chrome/browser/renderer_host/chrome_render_message_filter.h"
#include "chrome/browser/renderer_host/pepper/chrome_browser_pepper_host_factory.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/chrome_password_protection_service.h"
#include "chrome/browser/safe_browsing/safe_browsing_navigation_throttle.h"
#include "chrome/browser/safe_browsing/safe_browsing_service.h"
#include "chrome/browser/safe_browsing/ui_manager.h"
#include "chrome/browser/safe_browsing/url_checker_delegate_impl.h"
#include "chrome/browser/search/search.h"
#include "chrome/browser/sessions/session_tab_helper.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/site_isolation/site_isolation_policy.h"
#include "chrome/browser/speech/chrome_speech_recognition_manager_delegate.h"
#include "chrome/browser/speech/tts_controller_delegate_impl.h"
#include "chrome/browser/speech/tts_message_filter.h"
#include "chrome/browser/ssl/insecure_sensitive_input_driver_factory.h"
#include "chrome/browser/ssl/ssl_blocking_page.h"
#include "chrome/browser/ssl/ssl_cert_reporter.h"
#include "chrome/browser/ssl/ssl_client_auth_metrics.h"
#include "chrome/browser/ssl/ssl_client_certificate_selector.h"
#include "chrome/browser/ssl/ssl_error_handler.h"
#include "chrome/browser/ssl/ssl_error_navigation_throttle.h"
#include "chrome/browser/ssl/typed_navigation_timing_throttle.h"
#include "chrome/browser/subresource_filter/chrome_subresource_filter_client.h"
#include "chrome/browser/sync_file_system/local/sync_file_system_backend.h"
#include "chrome/browser/tab_contents/tab_util.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/popup_blocker.h"
#include "chrome/browser/ui/blocked_content/tab_under_navigation_throttle.h"
#include "chrome/browser/ui/browser.h"
#include "chrome/browser/ui/browser_finder.h"
#include "chrome/browser/ui/browser_list.h"
#include "chrome/browser/ui/browser_navigator.h"
#include "chrome/browser/ui/browser_navigator_params.h"
#include "chrome/browser/ui/browser_window.h"
#include "chrome/browser/ui/chrome_select_file_policy.h"
#include "chrome/browser/ui/login/login_handler.h"
#include "chrome/browser/ui/prefs/pref_watcher.h"
#include "chrome/browser/ui/sync/sync_promo_ui.h"
#include "chrome/browser/ui/tab_contents/chrome_web_contents_view_delegate.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/usb_tab_helper.h"
#include "chrome/browser/vr/vr_tab_helper.h"
#include "chrome/browser/web_applications/components/app_registrar.h"
#include "chrome/browser/web_applications/web_app_provider.h"
#include "chrome/browser/webauthn/authenticator_request_scheduler.h"
#include "chrome/browser/webauthn/chrome_authenticator_request_delegate.h"
#include "chrome/common/buildflags.h"
#include "chrome/common/channel_info.h"
#include "chrome/common/chrome_constants.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/constants.mojom.h"
#include "chrome/common/env_vars.h"
#include "chrome/common/google_url_loader_throttle.h"
#include "chrome/common/logging_chrome.h"
#include "chrome/common/pepper_permission_util.h"
#include "chrome/common/pref_names.h"
#include "chrome/common/prerender_url_loader_throttle.h"
#include "chrome/common/prerender_util.h"
#include "chrome/common/render_messages.h"
#include "chrome/common/renderer_configuration.mojom.h"
#include "chrome/common/secure_origin_whitelist.h"
#include "chrome/common/stack_sampling_configuration.h"
#include "chrome/common/url_constants.h"
#include "chrome/grit/browser_resources.h"
#include "chrome/grit/generated_resources.h"
#include "chrome/installer/util/google_update_settings.h"
#include "chrome/services/noop/public/cpp/utils.h"
#include "chrome/services/noop/public/mojom/noop.mojom.h"
#include "components/autofill/content/browser/content_autofill_driver_factory.h"
#include "components/autofill/core/common/autofill_switches.h"
#include "components/browsing_data/core/browsing_data_utils.h"
#include "components/cdm/browser/cdm_message_filter_android.h"
#include "components/certificate_matching/certificate_principal_pattern.h"
#include "components/cloud_devices/common/cloud_devices_switches.h"
#include "components/content_capture/browser/content_capture_receiver_manager.h"
#include "components/content_settings/core/browser/content_settings_utils.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/common/content_settings.h"
#include "components/content_settings/core/common/content_settings_types.h"
#include "components/content_settings/core/common/content_settings_utils.h"
#include "components/content_settings/core/common/pref_names.h"
#include "components/data_reduction_proxy/content/browser/content_lofi_decider.h"
#include "components/data_reduction_proxy/content/common/data_reduction_proxy_url_loader_throttle.h"
#include "components/data_reduction_proxy/core/browser/data_reduction_proxy_data.h"
#include "components/data_reduction_proxy/core/browser/data_reduction_proxy_io_data.h"
#include "components/data_reduction_proxy/core/common/data_reduction_proxy_features.h"
#include "components/data_reduction_proxy/core/common/data_reduction_proxy_params.h"
#include "components/dom_distiller/core/dom_distiller_switches.h"
#include "components/dom_distiller/core/url_constants.h"
#include "components/error_page/common/error_page_switches.h"
#include "components/feature_engagement/public/feature_constants.h"
#include "components/feature_engagement/public/feature_list.h"
#include "components/google/core/common/google_util.h"
#include "components/language/core/browser/pref_names.h"
#include "components/metrics/call_stack_profile_collector.h"
#include "components/metrics/client_info.h"
#include "components/mirroring/mojom/constants.mojom.h"
#include "components/mirroring/service/features.h"
#include "components/nacl/common/buildflags.h"
#include "components/nacl/common/nacl_constants.h"
#include "components/net_log/chrome_net_log.h"
#include "components/password_manager/content/browser/content_password_manager_driver_factory.h"
#include "components/payments/content/payment_request_display_manager.h"
#include "components/policy/content/policy_blacklist_navigation_throttle.h"
#include "components/policy/content/policy_blacklist_service.h"
#include "components/policy/core/common/cloud/policy_header_service.h"
#include "components/policy/core/common/policy_service.h"
#include "components/policy/policy_constants.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/previews/content/previews_decider_impl.h"
#include "components/previews/content/previews_ui_service.h"
#include "components/previews/content/previews_user_data.h"
#include "components/previews/core/previews_decider.h"
#include "components/previews/core/previews_experiments.h"
#include "components/previews/core/previews_features.h"
#include "components/rappor/public/rappor_utils.h"
#include "components/rappor/rappor_recorder_impl.h"
#include "components/rappor/rappor_service_impl.h"
#include "components/safe_browsing/browser/browser_url_loader_throttle.h"
#include "components/safe_browsing/browser/mojo_safe_browsing_impl.h"
#include "components/safe_browsing/browser/url_checker_delegate.h"
#include "components/safe_browsing/common/safe_browsing_prefs.h"
#include "components/safe_browsing/db/database_manager.h"
#include "components/safe_browsing/features.h"
#include "components/safe_browsing/password_protection/password_protection_navigation_throttle.h"
#include "components/security_interstitials/content/origin_policy_ui.h"
#include "components/services/heap_profiling/heap_profiling_service.h"
#include "components/services/heap_profiling/public/cpp/settings.h"
#include "components/services/heap_profiling/public/mojom/constants.mojom.h"
#include "components/services/unzip/public/interfaces/constants.mojom.h"
#include "components/signin/core/browser/account_consistency_method.h"
#include "components/spellcheck/spellcheck_buildflags.h"
#include "components/subresource_filter/content/browser/content_subresource_filter_throttle_manager.h"
#include "components/thread_pool_util/variations_util.h"
#include "components/translate/core/common/translate_switches.h"
#include "components/url_formatter/url_fixer.h"
#include "components/variations/variations_associated_data.h"
#include "components/variations/variations_http_header_provider.h"
#include "components/variations/variations_switches.h"
#include "components/version_info/version_info.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/browsing_data_remover.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/gpu_data_manager.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/render_frame_host.h"
#include "content/public/browser/render_process_host.h"
#include "content/public/browser/render_view_host.h"
#include "content/public/browser/resource_context.h"
#include "content/public/browser/storage_partition.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/child_process_host.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/network_service_util.h"
#include "content/public/common/service_manager_connection.h"
#include "content/public/common/service_names.mojom.h"
#include "content/public/common/url_constants.h"
#include "content/public/common/url_loader_throttle.h"
#include "content/public/common/url_utils.h"
#include "content/public/common/user_agent.h"
#include "content/public/common/web_preferences.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/audio/audio_manager.h"
#include "media/base/media_switches.h"
#include "media/media_buildflags.h"
#include "media/mojo/buildflags.h"
#include "mojo/public/cpp/bindings/binding_set.h"
#include "mojo/public/cpp/bindings/scoped_interface_endpoint_handle.h"
#include "net/base/load_flags.h"
#include "net/base/mime_util.h"
#include "net/cookies/canonical_cookie.h"
#include "net/cookies/cookie_options.h"
#include "net/ssl/client_cert_store.h"
#include "net/ssl/ssl_cert_request_info.h"
#include "ppapi/buildflags/buildflags.h"
#include "ppapi/host/ppapi_host.h"
#include "printing/buildflags/buildflags.h"
#include "services/image_annotation/public/mojom/constants.mojom.h"
#include "services/image_annotation/public/mojom/image_annotation.mojom.h"
#include "services/network/public/cpp/features.h"
#include "services/network/public/cpp/network_switches.h"
#include "services/network/public/cpp/resource_request.h"
#include "services/preferences/public/cpp/in_process_service_factory.h"
#include "services/preferences/public/mojom/preferences.mojom.h"
#include "services/proxy_resolver/public/mojom/proxy_resolver.mojom.h"
#include "services/service_manager/embedder/switches.h"
#include "services/service_manager/public/cpp/connector.h"
#include "services/service_manager/public/mojom/connector.mojom.h"
#include "services/service_manager/sandbox/sandbox_type.h"
#include "services/viz/public/interfaces/constants.mojom.h"
#include "storage/browser/fileapi/external_mount_points.h"
#include "third_party/blink/public/mojom/installedapp/installed_app_provider.mojom.h"
#include "third_party/blink/public/mojom/renderer_preferences.mojom.h"
#include "third_party/blink/public/mojom/user_agent/user_agent_metadata.mojom.h"
#include "third_party/blink/public/mojom/webshare/webshare.mojom.h"
#include "third_party/widevine/cdm/buildflags.h"
#include "ui/base/buildflags.h"
#include "ui/base/l10n/l10n_util.h"
#include "ui/base/resource/resource_bundle.h"
#include "ui/base/ui_base_features.h"
#include "ui/native_theme/caption_style.h"
#include "ui/native_theme/native_theme.h"
#include "ui/resources/grit/ui_resources.h"
#include "url/gurl.h"
#include "url/origin.h"
#if BUILDFLAG(ENABLE_NACL)
#include "components/nacl/loader/nacl_loader_manifest.h"
#if defined(OS_WIN) && defined(ARCH_CPU_X86)
#include "components/nacl/broker/nacl_broker_manifest.h"
#endif
#endif
#if defined(OS_WIN)
#include "base/strings/string_tokenizer.h"
#include "chrome/browser/chrome_browser_main_win.h"
#include "chrome/browser/conflicts/module_database_win.h"
#include "chrome/browser/conflicts/module_event_sink_impl_win.h"
#include "chrome/install_static/install_util.h"
#include "chrome/services/util_win/public/mojom/constants.mojom.h"
#include "chrome/services/wifi_util_win/public/mojom/constants.mojom.h"
#include "sandbox/win/src/sandbox_policy.h"
#elif defined(OS_MACOSX)
#include "chrome/browser/chrome_browser_main_mac.h"
#include "services/audio/public/mojom/constants.mojom.h"
#include "services/video_capture/public/mojom/constants.mojom.h"
#elif defined(OS_CHROMEOS)
#include "ash/public/interfaces/constants.mojom.h"
#include "chrome/browser/ash_service_registry.h"
#include "chrome/browser/chromeos/arc/fileapi/arc_content_file_system_backend_delegate.h"
#include "chrome/browser/chromeos/arc/fileapi/arc_documents_provider_backend_delegate.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/chrome_service_name.h"
#include "chrome/browser/chromeos/drive/fileapi/drivefs_file_system_backend_delegate.h"
#include "chrome/browser/chromeos/drive/fileapi/file_system_backend_delegate.h"
#include "chrome/browser/chromeos/file_manager/app_id.h"
#include "chrome/browser/chromeos/file_system_provider/fileapi/backend_delegate.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/login/signin/merge_session_navigation_throttle.h"
#include "chrome/browser/chromeos/login/signin/merge_session_throttling_utils.h"
#include "chrome/browser/chromeos/login/signin_partition_manager.h"
#include "chrome/browser/chromeos/login/startup_utils.h"
#include "chrome/browser/chromeos/policy/browser_policy_connector_chromeos.h"
#include "chrome/browser/chromeos/policy/policy_cert_service_factory.h"
#include "chrome/browser/chromeos/profiles/profile_helper.h"
#include "chrome/browser/chromeos/system/input_device_settings.h"
#include "chrome/browser/speech/tts_chromeos.h"
#include "chrome/browser/ui/ash/chrome_browser_main_extra_parts_ash.h"
#include "chrome/browser/ui/ash/tablet_mode_client.h"
#include "chrome/browser/ui/browser_dialogs.h"
#include "chromeos/constants/chromeos_constants.h"
#include "chromeos/constants/chromeos_features.h"
#include "chromeos/constants/chromeos_switches.h"
#include "chromeos/services/cellular_setup/cellular_setup_service.h"
#include "chromeos/services/cellular_setup/public/mojom/cellular_setup.mojom.h"
#include "chromeos/services/cellular_setup/public/mojom/constants.mojom.h"
#include "chromeos/services/ime/public/mojom/constants.mojom.h"
#include "chromeos/services/secure_channel/public/mojom/constants.mojom.h"
#include "chromeos/services/secure_channel/secure_channel_service.h"
#include "components/user_manager/user_manager.h"
#include "services/service_manager/public/mojom/interface_provider_spec.mojom.h"
#include "services/ws/common/switches.h"
#elif defined(OS_LINUX)
#include "chrome/browser/chrome_browser_main_linux.h"
#elif defined(OS_ANDROID)
#include "base/android/application_status_listener.h"
#include "chrome/browser/android/app_hooks.h"
#include "chrome/browser/android/chrome_context_util.h"
#include "chrome/browser/android/devtools_manager_delegate_android.h"
#include "chrome/browser/android/download/available_offline_content_provider.h"
#include "chrome/browser/android/download/download_manager_service.h"
#include "chrome/browser/android/download/intercept_oma_download_navigation_throttle.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/webapps/single_tab_mode_tab_helper.h"
#include "chrome/browser/chrome_browser_main_android.h"
#include "chrome/browser/offline_pages/android/offline_page_auto_fetcher.h"
#include "chrome/browser/ui/android/tab_model/tab_model_list.h"
#include "chrome/common/chrome_descriptors.h"
#include "chrome/services/media_gallery_util/public/mojom/constants.mojom.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 "content/public/browser/android/java_interfaces.h"
#include "services/proxy_resolver/proxy_resolver_service.h"
#include "services/service_manager/public/cpp/interface_provider.h"
#include "third_party/blink/public/mojom/payments/payment_request.mojom.h"
#include "third_party/blink/public/mojom/webauthn/authenticator.mojom.h"
#include "ui/base/resource/resource_bundle_android.h"
#include "ui/base/ui_base_paths.h"
#elif defined(OS_POSIX)
#include "chrome/browser/chrome_browser_main_posix.h"
#endif
#if !defined(OS_ANDROID)
#include "chrome/browser/badging/badge_service_impl.h"
#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/payments/payment_request_factory.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/ui/passwords/google_password_manager_navigation_throttle.h"
#include "chrome/browser/ui/search/new_tab_page_navigation_throttle.h"
#include "chrome/common/importer/profile_import.mojom.h"
#include "components/services/patch/public/interfaces/constants.mojom.h"
#endif // !defined(OS_ANDROID)
#if defined(OS_WIN) || defined(OS_MACOSX) || \
(defined(OS_LINUX) && !defined(OS_CHROMEOS))
#include "chrome/browser/browser_switcher/browser_switcher_navigation_throttle.h"
#endif
#if defined(OS_POSIX) && !defined(OS_MACOSX)
#if !defined(OS_ANDROID)
#include "base/debug/leak_annotations.h"
#include "components/crash/content/app/breakpad_linux.h"
#endif // !defined(OS_ANDROID)
#include "components/crash/content/browser/crash_handler_host_linux.h"
#endif
// 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 defined(OS_CHROMEOS)
#include "chrome/browser/chromeos/apps/intent_helper/chromeos_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
#if defined(OS_LINUX) && !defined(OS_CHROMEOS)
#include "chrome/browser/ui/views/chrome_browser_main_extra_parts_views_linux.h"
#endif
#if defined(USE_OZONE)
#include "ui/ozone/public/ozone_platform.h"
#endif
#if defined(USE_X11)
#include "chrome/browser/chrome_browser_main_extra_parts_x11.h"
#endif
#if BUILDFLAG(ENABLE_CAPTIVE_PORTAL_DETECTION)
#include "chrome/browser/captive_portal/captive_portal_tab_helper.h"
#endif
#if BUILDFLAG(ENABLE_NACL)
#include "components/nacl/browser/nacl_browser.h"
#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/bookmark_app_experimental_navigation_throttle.h"
#include "chrome/browser/extensions/bookmark_app_navigation_throttle.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/user_script_listener.h"
#include "chrome/browser/media/cast_transport_host_filter.h"
#include "chrome/browser/speech/extension_api/tts_engine_extension_api.h"
#include "chrome/browser/ui/extensions/hosted_app_browser_controller.h"
#include "chrome/services/media_gallery_util/public/mojom/constants.mojom.h"
#include "chrome/services/removable_storage_writer/public/mojom/constants.mojom.h"
#include "components/guest_view/browser/guest_view_base.h"
#include "components/guest_view/browser/guest_view_manager.h"
#include "extensions/browser/api/web_request/web_request_api.h"
#include "extensions/browser/extension_host.h"
#include "extensions/browser/extension_navigation_throttle.h"
#include "extensions/browser/extension_protocols.h"
#include "extensions/browser/extension_registry.h"
#include "extensions/browser/extension_system.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_manager.h"
#include "extensions/common/extension.h"
#include "extensions/common/extension_set.h"
#include "extensions/common/manifest_handlers/background_info.h"
#include "extensions/common/manifest_handlers/shared_module_info.h"
#include "extensions/common/manifest_handlers/web_accessible_resources_info.h"
#include "extensions/common/permissions/permissions_data.h"
#include "extensions/common/permissions/socket_permission.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/flash_download_interception.h"
#include "chrome/browser/plugins/plugin_response_interceptor_url_loader_throttle.h"
#endif
#if BUILDFLAG(ENABLE_SUPERVISED_USERS)
#include "chrome/browser/supervised_user/supervised_user_google_auth_navigation_throttle.h"
#endif
#if BUILDFLAG(ENABLE_MEDIA_REMOTING)
#include "chrome/browser/media/cast_remoting_connector.h"
#endif
#if BUILDFLAG(ENABLE_PRINTING)
#include "chrome/browser/printing/printing_message_filter.h"
#include "components/services/pdf_compositor/public/interfaces/pdf_compositor.mojom.h"
#endif
#if BUILDFLAG(ENABLE_PRINT_PREVIEW) || \
(BUILDFLAG(ENABLE_PRINTING) && defined(OS_WIN))
#include "chrome/services/printing/public/mojom/constants.mojom.h"
#endif
#if BUILDFLAG(ENABLE_LIBRARY_CDMS)
#include "chrome/browser/media/output_protection_impl.h"
#include "chrome/browser/media/platform_verification_impl.h"
#if defined(OS_WIN) && BUILDFLAG(ENABLE_WIDEVINE)
#include "chrome/browser/media/widevine_hardware_caps_win.h"
#include "third_party/widevine/cdm/widevine_cdm_common.h"
#endif
#endif
#if BUILDFLAG(ENABLE_MOJO_CDM) && defined(OS_ANDROID)
#include "chrome/browser/media/android/cdm/media_drm_storage_factory.h"
#endif
#if BUILDFLAG(ENABLE_MOJO_MEDIA_IN_BROWSER_PROCESS)
#include "media/mojo/interfaces/constants.mojom.h" // nogncheck
#include "media/mojo/services/media_service_factory.h" // nogncheck
#endif
#if BUILDFLAG(ENABLE_SUPERVISED_USERS)
#include "chrome/browser/supervised_user/supervised_user_navigation_throttle.h"
#endif
#if BUILDFLAG(ENABLE_PRINTING) && defined(OS_CHROMEOS)
#include "chrome/services/cups_ipp_parser/public/mojom/constants.mojom.h"
#endif
#if defined(FULL_SAFE_BROWSING) || defined(OS_CHROMEOS)
#include "chrome/services/file_util/public/mojom/constants.mojom.h"
#endif
#if BUILDFLAG(ENABLE_OFFLINE_PAGES)
#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_SIMPLE_BROWSER_SERVICE_IN_PROCESS)
#include "services/content/simple_browser/public/mojom/constants.mojom.h"
#include "services/content/simple_browser/simple_browser_service.h"
#endif
#if BUILDFLAG(ENABLE_SIMPLE_BROWSER_SERVICE_OUT_OF_PROCESS)
#include "services/content/simple_browser/public/mojom/constants.mojom.h"
#endif
#if BUILDFLAG(ENABLE_ISOLATED_XR_SERVICE)
#include "device/vr/public/mojom/isolated_xr_service.mojom.h"
#endif
#if defined(BROWSER_MEDIA_CONTROLS_MENU)
#include "third_party/blink/public/mojom/media_controls/touchless/media_controls.mojom.h"
#endif
using base::FileDescriptor;
using content::BrowserThread;
using content::BrowserURLHandler;
using content::BrowsingDataFilterBuilder;
using content::ChildProcessSecurityPolicy;
using content::QuotaPermissionContext;
using content::RenderFrameHost;
using content::RenderViewHost;
using content::ResourceType;
using content::SiteInstance;
using content::WebContents;
using content::WebPreferences;
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;
#endif
#if BUILDFLAG(ENABLE_PLUGINS)
using plugins::ChromeContentBrowserClientPluginsPart;
#endif
namespace {
const storage::QuotaSettings* g_default_quota_settings;
#if BUILDFLAG(ENABLE_PLUGINS)
// TODO(teravest): Add renderer-side API-specific checking for these APIs so
// that blanket permission isn't granted to all dev channel APIs for these.
// http://crbug.com/386743
const char* const kPredefinedAllowedDevChannelOrigins[] = {
"6EAED1924DB611B6EEF2A664BD077BE7EAD33B8F", // see crbug.com/383937
"4EB74897CB187C7633357C2FE832E0AD6A44883A" // see crbug.com/383937
};
const char* const kPredefinedAllowedFileHandleOrigins[] = {
"6EAED1924DB611B6EEF2A664BD077BE7EAD33B8F", // see crbug.com/234789
"4EB74897CB187C7633357C2FE832E0AD6A44883A" // see crbug.com/234789
};
const char* const kPredefinedAllowedSocketOrigins[] = {
"okddffdblfhhnmhodogpojmfkjmhinfp", // Secure Shell App (dev)
"pnhechapfaindjhompbnflcldabbghjo", // Secure Shell App (stable)
"algkcnfjnajfhgimadimbjhmpaeohhln", // Secure Shell Extension (dev)
"iodihamcpbpeioajjeobimgagajmlibd", // Secure Shell Extension (stable)
"bglhmjfplikpjnfoegeomebmfnkjomhe", // see crbug.com/122126
"gbchcmhmhahfdphkhkmpfmihenigjmpp", // Chrome Remote Desktop
"kgngmbheleoaphbjbaiobfdepmghbfah", // Pre-release Chrome Remote Desktop
"odkaodonbgfohohmklejpjiejmcipmib", // Dogfood Chrome Remote Desktop
"ojoimpklfciegopdfgeenehpalipignm", // Chromoting canary
"cbkkbcmdlboombapidmoeolnmdacpkch", // see crbug.com/129089
"hhnbmknkdabfoieppbbljkhkfjcmcbjh", // see crbug.com/134099
"mablfbjkhmhkmefkjjacnbaikjkipphg", // see crbug.com/134099
"pdeelgamlgannhelgoegilelnnojegoh", // see crbug.com/134099
"cabapfdbkniadpollkckdnedaanlciaj", // see crbug.com/134099
"mapljbgnjledlpdmlchihnmeclmefbba", // see crbug.com/134099
"ghbfeebgmiidnnmeobbbaiamklmpbpii", // see crbug.com/134099
"jdfhpkjeckflbbleddjlpimecpbjdeep", // see crbug.com/142514
"iabmpiboiopbgfabjmgeedhcmjenhbla", // see crbug.com/165080
"B7CF8A292249681AF81771650BA4CEEAF19A4560", // see crbug.com/165080
"7525AF4F66763A70A883C4700529F647B470E4D2", // see crbug.com/238084
"0B549507088E1564D672F7942EB87CA4DAD73972", // see crbug.com/238084
"864288364E239573E777D3E0E36864E590E95C74" // see crbug.com/238084
};
#endif
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 = GURL(ntp_location);
return true;
}
#if !defined(OS_ANDROID)
// Check if the current url is whitelisted based on a list of whitelisted urls.
bool IsURLWhitelisted(const GURL& current_url,
const base::Value::ListStorage& whitelisted_urls) {
// Only check on HTTP and HTTPS pages.
if (!current_url.SchemeIsHTTPOrHTTPS())
return false;
for (auto const& value : whitelisted_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 whitelist.
const base::ListValue* autoplay_whitelist =
prefs->GetList(prefs::kAutoplayWhitelist);
return autoplay_whitelist &&
prefs->IsManagedPreference(prefs::kAutoplayWhitelist) &&
IsURLWhitelisted(contents->GetURL(), autoplay_whitelist->GetList());
}
#endif
#if defined(OS_ANDROID)
int GetCrashSignalFD(const base::CommandLine& command_line) {
return crashpad::CrashHandlerHost::Get()->GetDeathSignalSocket();
}
#elif defined(OS_POSIX) && !defined(OS_MACOSX)
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) {
// 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();
}
#if defined(OS_CHROMEOS)
// Mash services are utility processes, but crashes are reported using the
// service name as the process type to make the crash console easier to read.
if (command_line.HasSwitch(switches::kMashServiceName)) {
static base::NoDestructor<
std::map<std::string, breakpad::CrashHandlerHostLinux*>>
crash_handlers;
std::string service_name =
command_line.GetSwitchValueASCII(switches::kMashServiceName);
auto it = crash_handlers->find(service_name);
if (it == crash_handlers->end()) {
auto insert_result = crash_handlers->insert(
std::make_pair(service_name, CreateCrashHandlerHost(service_name)));
it = insert_result.first;
}
return it->second->GetDeathSignalSocket();
}
#endif // defined(OS_CHROMEOS)
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 defined(OS_ANDROID)
float GetDeviceScaleAdjustment() {
static const float kMinFSM = 1.05f;
static const int kWidthForMinFSM = 320;
static const float kMaxFSM = 1.3f;
static const int kWidthForMaxFSM = 800;
int minWidth = chrome::android::ChromeContextUtil::GetSmallestDIPWidth();
if (minWidth <= kWidthForMinFSM)
return kMinFSM;
if (minWidth >= kWidthForMaxFSM)
return kMaxFSM;
// The font scale multiplier varies linearly between kMinFSM and kMaxFSM.
float ratio = static_cast<float>(minWidth - kWidthForMinFSM) /
(kWidthForMaxFSM - kWidthForMinFSM);
return ratio * (kMaxFSM - kMinFSM) + kMinFSM;
}
void StartDownloadManager(service_manager::mojom::ServiceRequest request) {
DownloadManagerService::GetInstance()->BindServiceRequest(std::move(request));
}
#endif // defined(OS_ANDROID)
#if BUILDFLAG(ENABLE_EXTENSIONS)
AppLoadedInTabSource ClassifyAppLoadedInTabSource(
const GURL& opener_url,
const extensions::Extension* target_platform_app) {
if (opener_url.SchemeIs(extensions::kExtensionScheme)) {
if (opener_url.host_piece() == target_platform_app->id()) {
// 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;
} else {
// Source was a different page inside the app.
return APP_LOADED_IN_TAB_SOURCE_APP;
}
}
// The forbidden app URL was being opened by a different app or extension.
return APP_LOADED_IN_TAB_SOURCE_OTHER_EXTENSION;
}
// The forbidden app URL was being opened by a non-extension page (e.g. http).
return APP_LOADED_IN_TAB_SOURCE_OTHER;
}
#endif // BUILDFLAG(ENABLE_EXTENSIONS)
WebContents* GetWebContentsFromProcessAndFrameId(int render_process_id,
int render_frame_id) {
if (render_process_id) {
RenderFrameHost* rfh =
RenderFrameHost::FromID(render_process_id, render_frame_id);
return WebContents::FromRenderFrameHost(rfh);
}
return WebContents::FromFrameTreeNodeId(render_frame_id);
}
#if BUILDFLAG(ENABLE_EXTENSIONS)
// Returns true if there is is an extension matching |url| in
// |opener_render_process_id| with APIPermission::kBackground.
//
// Note that GetExtensionOrAppByURL requires a full URL in order to match with a
// hosted app, even though normal extensions just use the host.
bool URLHasExtensionBackgroundPermission(
extensions::ProcessMap* process_map,
extensions::ExtensionRegistry* registry,
const GURL& url,
int opener_render_process_id) {
// Note: 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(
APIPermission::kBackground) &&
process_map->Contains(extension->id(), opener_render_process_id);
}
void InvokeCallbackOnThread(
scoped_refptr<base::SequencedTaskRunner> task_runner,
base::Callback<void(bool)> callback,
bool result) {
task_runner->PostTask(FROM_HERE, base::BindOnce(std::move(callback), result));
}
#endif
chrome::mojom::PrerenderCanceler* GetPrerenderCanceller(
const base::Callback<content::WebContents*()>& wc_getter) {
DCHECK_CURRENTLY_ON(content::BrowserThread::UI);
auto* web_contents = wc_getter.Run();
if (!web_contents)
return nullptr;
return prerender::PrerenderContents::FromWebContents(web_contents);
}
void LaunchURL(
const GURL& url,
const content::ResourceRequestInfo::WebContentsGetter& web_contents_getter,
ui::PageTransition page_transition,
bool has_user_gesture) {
// 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 prerenders.
prerender::PrerenderContents* prerender_contents =
prerender::PrerenderContents::FromWebContents(web_contents);
if (prerender_contents) {
prerender_contents->Destroy(prerender::FINAL_STATUS_UNSUPPORTED_SCHEME);
prerender::ReportPrerenderExternalURL();
return;
}
bool is_whitelisted = false;
PolicyBlacklistService* service =
PolicyBlacklistFactory::GetForBrowserContext(
web_contents->GetBrowserContext());
if (service) {
const policy::URLBlacklist::URLBlacklistState url_state =
service->GetURLBlacklistState(url);
is_whitelisted =
url_state == policy::URLBlacklist::URLBlacklistState::URL_IN_WHITELIST;
}
// If the URL is in whitelist, we launch it without asking the user and
// without any additional security checks. Since the URL is whitelisted,
// we assume it can be executed.
if (is_whitelisted) {
ExternalProtocolHandler::LaunchUrlWithoutSecurityCheck(url, web_contents);
} else {
ExternalProtocolHandler::LaunchUrl(
url, web_contents->GetRenderViewHost()->GetProcess()->GetID(),
web_contents->GetRenderViewHost()->GetRoutingID(), page_transition,
has_user_gesture);
}
}
std::string GetProduct() {
return version_info::GetProductNameAndVersionForUserAgent();
}
} // namespace
std::string GetUserAgent() {
base::CommandLine* command_line = base::CommandLine::ForCurrentProcess();
if (command_line->HasSwitch(switches::kUserAgent)) {
std::string ua = command_line->GetSwitchValueASCII(switches::kUserAgent);
if (net::HttpUtil::IsValidHeaderValue(ua))
return ua;
LOG(WARNING) << "Ignored invalid value for flag --" << switches::kUserAgent;
}
std::string product = GetProduct();
#if defined(OS_ANDROID)
if (command_line->HasSwitch(switches::kUseMobileUserAgent))
product += " Mobile";
#endif
return content::BuildUserAgentFromProduct(product);
}
blink::UserAgentMetadata GetUserAgentMetadata() {
blink::UserAgentMetadata metadata;
metadata.brand = version_info::GetProductName();
metadata.full_version = version_info::GetVersionNumber();
metadata.major_version = version_info::GetMajorVersionNumber();
metadata.platform = version_info::GetOSType();
// TODO(mkwst): Poke at BuildUserAgentFromProduct to split out these pieces.
metadata.architecture = "";
metadata.model = "";
return metadata;
}
ChromeContentBrowserClient::ChromeContentBrowserClient(
ChromeFeatureListCreator* chrome_feature_list_creator)
: chrome_feature_list_creator_(chrome_feature_list_creator),
weak_factory_(this) {
#if BUILDFLAG(ENABLE_PLUGINS)
for (size_t i = 0; i < base::size(kPredefinedAllowedDevChannelOrigins); ++i)
allowed_dev_channel_origins_.insert(kPredefinedAllowedDevChannelOrigins[i]);
for (size_t i = 0; i < base::size(kPredefinedAllowedFileHandleOrigins); ++i)
allowed_file_handle_origins_.insert(kPredefinedAllowedFileHandleOrigins[i]);
for (size_t i = 0; i < base::size(kPredefinedAllowedSocketOrigins); ++i)
allowed_socket_origins_.insert(kPredefinedAllowedSocketOrigins[i]);
extra_parts_.push_back(new ChromeContentBrowserClientPluginsPart);
#endif
#if defined(OS_CHROMEOS)
extra_parts_.push_back(new ChromeContentBrowserClientChromeOsPart);
#endif // defined(OS_CHROMEOS)
#if BUILDFLAG(ENABLE_EXTENSIONS)
extra_parts_.push_back(new ChromeContentBrowserClientExtensionsPart);
#endif
extra_parts_.push_back(new ChromeContentBrowserClientPerformanceManagerPart);
gpu_binder_registry_.AddInterface(
base::Bind(&metrics::CallStackProfileCollector::Create));
}
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->RegisterStringPref(prefs::kIsolateOrigins, std::string());
registry->RegisterBooleanPref(prefs::kSitePerProcess, false);
registry->RegisterBooleanPref(prefs::kTabLifecyclesEnabled, true);
registry->RegisterBooleanPref(prefs::kWebDriverOverridesIncompatiblePolicies,
false);
}
// static
void ChromeContentBrowserClient::RegisterProfilePrefs(
user_prefs::PrefRegistrySyncable* registry) {
registry->RegisterBooleanPref(prefs::kDisable3DAPIs, false);
registry->RegisterBooleanPref(prefs::kEnableHyperlinkAuditing, true);
registry->RegisterListPref(prefs::kEnableDeprecatedWebPlatformFeatures);
// 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->RegisterDictionaryPref(
prefs::kDevToolsBackgroundServicesExpirationDict);
registry->RegisterBooleanPref(prefs::kSignedHTTPExchangeEnabled, true);
#if !defined(OS_ANDROID)
registry->RegisterBooleanPref(prefs::kAutoplayAllowed, false);
registry->RegisterListPref(prefs::kAutoplayWhitelist);
#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);
base::PostTaskWithTraits(
FROM_HERE, {BrowserThread::IO},
base::BindOnce(&SetApplicationLocaleOnIOThread, locale));
}
content::BrowserMainParts* ChromeContentBrowserClient::CreateBrowserMainParts(
const content::MainFunctionParams& parameters) {
ChromeBrowserMainParts* main_parts;
// Construct the Main browser parts based on the OS type.
#if defined(OS_WIN)
main_parts =
new ChromeBrowserMainPartsWin(parameters, chrome_feature_list_creator_);
#elif defined(OS_MACOSX)
main_parts =
new ChromeBrowserMainPartsMac(parameters, chrome_feature_list_creator_);
#elif defined(OS_CHROMEOS)
main_parts = new chromeos::ChromeBrowserMainPartsChromeos(
parameters, chrome_feature_list_creator_);
#elif defined(OS_LINUX)
main_parts =
new ChromeBrowserMainPartsLinux(parameters, chrome_feature_list_creator_);
#elif defined(OS_ANDROID)
main_parts = new ChromeBrowserMainPartsAndroid(parameters,
chrome_feature_list_creator_);
#elif defined(OS_POSIX)
main_parts =
new ChromeBrowserMainPartsPosix(parameters, chrome_feature_list_creator_);
#else
NOTREACHED();
main_parts =
new ChromeBrowserMainParts(parameters, chrome_feature_list_creator_);
#endif
chrome::AddProfilesExtraParts(main_parts);
// Construct additional browser parts. Stages are called in the order in
// which they are added.
#if defined(TOOLKIT_VIEWS)
#if defined(OS_LINUX) && !defined(OS_CHROMEOS) && !defined(USE_OZONE)
main_parts->AddParts(new ChromeBrowserMainExtraPartsViewsLinux());
#else
main_parts->AddParts(new ChromeBrowserMainExtraPartsViews());
#endif
#endif
#if defined(OS_CHROMEOS)
// TODO(jamescook): Combine with ChromeBrowserMainPartsChromeos.
main_parts->AddParts(new ChromeBrowserMainExtraPartsAsh());
#endif
#if defined(USE_X11)
main_parts->AddParts(new ChromeBrowserMainExtraPartsX11());
#endif
main_parts->AddParts(new ChromeBrowserMainExtraPartsPerformanceManager);
main_parts->AddParts(new ChromeBrowserMainExtraPartsProfiling);
chrome::AddMetricsExtraParts(main_parts);
main_parts->AddParts(ChromeService::GetInstance()->CreateExtraParts());
return main_parts;
}
void ChromeContentBrowserClient::PostAfterStartupTask(
const base::Location& from_here,
const scoped_refptr<base::TaskRunner>& task_runner,
base::OnceClosure task) {
AfterStartupTaskUtils::PostTask(from_here, task_runner, std::move(task));
}
bool ChromeContentBrowserClient::IsBrowserStartupComplete() {
return AfterStartupTaskUtils::IsBrowserStartupComplete();
}
void ChromeContentBrowserClient::SetBrowserStartupIsCompleteForTesting() {
AfterStartupTaskUtils::SetBrowserStartupIsCompleteForTesting();
}
bool ChromeContentBrowserClient::IsShuttingDown() {
return browser_shutdown::GetShutdownType() != browser_shutdown::NOT_VALID;
}
std::string ChromeContentBrowserClient::GetStoragePartitionIdForSite(
content::BrowserContext* browser_context,
const GURL& site) {
std::string partition_id;
// 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))
partition_id = site.spec();
#if BUILDFLAG(ENABLE_EXTENSIONS)
// The partition ID for extensions with isolated storage is treated similarly
// to the above.
else if (site.SchemeIs(extensions::kExtensionScheme) &&
extensions::util::SiteHasIsolatedStorage(site, browser_context))
partition_id = site.spec();
#endif
DCHECK(IsValidStoragePartitionId(browser_context, partition_id));
return partition_id;
}
bool ChromeContentBrowserClient::IsValidStoragePartitionId(
content::BrowserContext* browser_context,
const std::string& partition_id) {
// The default ID is empty and is always valid.
if (partition_id.empty())
return true;
return GURL(partition_id).is_valid();
}
void ChromeContentBrowserClient::GetStoragePartitionConfigForSite(
content::BrowserContext* browser_context,
const GURL& site,
bool can_be_default,
std::string* partition_domain,
std::string* partition_name,
bool* in_memory) {
// Default to the browser-wide storage partition and override based on |site|
// below.
partition_domain->clear();
partition_name->clear();
*in_memory = false;
#if BUILDFLAG(ENABLE_EXTENSIONS)
bool success = extensions::WebViewGuest::GetGuestPartitionConfigForSite(
site, partition_domain, partition_name, in_memory);
if (!success && site.SchemeIs(extensions::kExtensionScheme)) {
// If |can_be_default| is false, the caller is stating that the |site|
// should be parsed as if it had isolated storage. In particular it is
// important to NOT check ExtensionService for the is_storage_isolated()
// attribute because this code path is run during Extension uninstall
// to do cleanup after the Extension has already been unloaded from the
// ExtensionService.
bool is_isolated = !can_be_default;
if (can_be_default) {
if (extensions::util::SiteHasIsolatedStorage(site, browser_context))
is_isolated = true;
}
if (is_isolated) {
CHECK(site.has_host());
// For extensions with isolated storage, the the host of the |site| is
// the |partition_domain|. The |in_memory| and |partition_name| are only
// used in guest schemes so they are cleared here.
*partition_domain = site.host();
*in_memory = false;
partition_name->clear();
}
success = true;
}
#endif
// Assert that if |can_be_default| is false, the code above must have found a
// non-default partition. If this fails, the caller has a serious logic
// error about which StoragePartition they expect to be in and it is not
// safe to continue.
CHECK(can_be_default || !partition_domain->empty());
}
content::WebContentsViewDelegate*
ChromeContentBrowserClient::GetWebContentsViewDelegate(
content::WebContents* 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,
service_manager::mojom::ServiceRequest* service_request) {
int id = host->GetID();
Profile* profile = Profile::FromBrowserContext(host->GetBrowserContext());
host->AddFilter(new ChromeRenderMessageFilter(id, profile));
#if BUILDFLAG(ENABLE_EXTENSIONS)
host->AddFilter(new cast::CastTransportHostFilter());
#endif
#if BUILDFLAG(ENABLE_PRINTING)
host->AddFilter(new printing::PrintingMessageFilter(id, profile));
#endif
host->AddFilter(new prerender::PrerenderMessageFilter(id, profile));
host->AddFilter(new TtsMessageFilter(host->GetBrowserContext()));
WebRtcLoggingHandlerHost* webrtc_logging_handler_host =
new WebRtcLoggingHandlerHost(id, profile,
g_browser_process->webrtc_log_uploader());
host->AddFilter(webrtc_logging_handler_host);
host->SetUserData(
WebRtcLoggingHandlerHost::kWebRtcLoggingHandlerHostKey,
std::make_unique<base::UserDataAdapter<WebRtcLoggingHandlerHost>>(
webrtc_logging_handler_host));
// 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(id, 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);
service_manager::mojom::ServicePtr service;
*service_request = mojo::MakeRequest(&service);
service_manager::mojom::PIDReceiverPtr pid_receiver;
service_manager::Identity renderer_identity = host->GetChildIdentity();
ChromeService::GetInstance()->connector()->RegisterServiceInstance(
service_manager::Identity(chrome::mojom::kRendererServiceName,
renderer_identity.instance_group(),
renderer_identity.instance_id(),
base::Token::CreateRandom()),
std::move(service), mojo::MakeRequest(&pid_receiver));
}
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() const {
#if defined(OS_ANDROID)
return true;
#elif defined(OS_CHROMEOS)
return TabletModeClient::Get() &&
TabletModeClient::Get()->tablet_mode_enabled();
#else
return false;
#endif // defined(OS_ANDROID)
}
bool ChromeContentBrowserClient::ShouldUseProcessPerSite(
content::BrowserContext* browser_context, const GURL& effective_url) {
// Non-extension, non-Instant URLs should generally use
// process-per-site-instance. Because we expect to use the effective URL,
// URLs for hosted apps (apart from bookmark apps) should have an extension
// scheme by now.
Profile* profile = Profile::FromBrowserContext(browser_context);
if (!profile)
return false;
#if !defined(OS_ANDROID)
if (search::ShouldUseProcessPerSiteForInstantURL(effective_url, profile))
return true;
#endif
#if BUILDFLAG(ENABLE_EXTENSIONS)
return ChromeContentBrowserClientExtensionsPart::ShouldUseProcessPerSite(
profile, effective_url);
#else
return false;
#endif
}
bool ChromeContentBrowserClient::ShouldUseSpareRenderProcessHost(
content::BrowserContext* browser_context,
const GURL& site_url) {
Profile* profile = Profile::FromBrowserContext(browser_context);
if (!profile)
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::BrowserOrResourceContext browser_or_resource_context,
const GURL& effective_site_url) {
#if BUILDFLAG(ENABLE_EXTENSIONS)
if (ChromeContentBrowserClientExtensionsPart::DoesSiteRequireDedicatedProcess(
browser_or_resource_context, effective_site_url)) {
return true;
}
#endif
return false;
}
// TODO(creis, nick): https://crbug.com/160576 describes a weakness in our
// origin-lock enforcement, where we don't have a way to efficiently know
// effective URLs on the IO thread, and wind up killing processes that e.g.
// request cookies for their actual URL. This whole function (and its
// ExtensionsPart) should be removed once we add that ability to the IO thread.
bool ChromeContentBrowserClient::ShouldLockToOrigin(
content::BrowserContext* browser_context,
const GURL& effective_site_url) {
// Origin lock to the search scheme would kill processes upon legitimate
// requests for cookies from the search engine's domain.
if (effective_site_url.SchemeIs(chrome::kChromeSearchScheme))
return false;
#if BUILDFLAG(ENABLE_EXTENSIONS)
if (!ChromeContentBrowserClientExtensionsPart::ShouldLockToOrigin(
browser_context, effective_site_url)) {
return false;
}
#endif
return true;
}
const char*
ChromeContentBrowserClient::GetInitiatorSchemeBypassingDocumentBlocking() {
#if BUILDFLAG(ENABLE_EXTENSIONS)
// Don't block responses for extension processes or for content scripts.
// TODO(creis): When every extension fetch (including content scripts) has
// been made to go through an extension-specific URLLoaderFactory, this
// mechanism ought to work by enumerating the host permissions from the
// extension manifest, and forwarding them on to the network service while
// brokering the URLLoaderFactory.
return extensions::kExtensionScheme;
#else
return nullptr;
#endif
}
void ChromeContentBrowserClient::LogInitiatorSchemeBypassingDocumentBlocking(
const url::Origin& initiator_origin,
int render_process_id,
content::ResourceType resource_type) {
#if BUILDFLAG(ENABLE_EXTENSIONS)
ChromeContentBrowserClientExtensionsPart::
LogInitiatorSchemeBypassingDocumentBlocking(
initiator_origin, render_process_id, resource_type);
#endif
}
network::mojom::URLLoaderFactoryPtrInfo
ChromeContentBrowserClient::CreateURLLoaderFactoryForNetworkRequests(
content::RenderProcessHost* process,
network::mojom::NetworkContext* network_context,
network::mojom::TrustedURLLoaderHeaderClientPtrInfo* header_client,
const url::Origin& request_initiator) {
#if BUILDFLAG(ENABLE_EXTENSIONS)
return ChromeContentBrowserClientExtensionsPart::
CreateURLLoaderFactoryForNetworkRequests(
process, network_context, header_client, request_initiator);
#else
return network::mojom::URLLoaderFactoryPtrInfo();
#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->push_back(chrome::kChromeSearchScheme);
additional_schemes->push_back(dom_distiller::kDomDistillerScheme);
additional_schemes->push_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
}
bool ChromeContentBrowserClient::LogWebUIUrl(const GURL& web_ui_url) const {
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::CanCommitURL(
content::RenderProcessHost* process_host,
const GURL& url) {
#if BUILDFLAG(ENABLE_EXTENSIONS)
return ChromeContentBrowserClientExtensionsPart::CanCommitURL(
process_host, url);
#else
return true;
#endif
}
bool ChromeContentBrowserClient::ShouldAllowOpenURL(
content::SiteInstance* site_instance, const GURL& url) {
#if BUILDFLAG(ENABLE_EXTENSIONS)
bool result;
if (ChromeContentBrowserClientExtensionsPart::ShouldAllowOpenURL(
site_instance, url, &result))
return result;
#endif
// Do not allow chrome://chrome-signin navigate to other chrome:// URLs, since
// the signin page may host untrusted web content.
GURL from_url = site_instance->GetSiteURL();
if (from_url.GetOrigin().spec() == chrome::kChromeUIChromeSigninURL &&
url.SchemeIs(content::kChromeUIScheme) &&
url.host_piece() != chrome::kChromeUIChromeSigninHost) {
VLOG(1) << "Blocked navigation to " << url.spec() << " from "
<< chrome::kChromeUIChromeSigninURL;
return false;
}
return true;
}
namespace {
// Returns whether a SiteInstance holds a NTP. TODO(mastiz): This
// really really really needs to be moved to a shared place where all the code
// that needs to know this can access it. See http://crbug.com/624410.
bool IsNTPSiteInstance(SiteInstance* 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. Again, see http://crbug.com/624410.
return site_instance &&
site_instance->GetSiteURL().SchemeIs(chrome::kChromeSearchScheme) &&
(site_instance->GetSiteURL().host_piece() ==
chrome::kChromeSearchRemoteNtpHost ||
site_instance->GetSiteURL().host_piece() ==
chrome::kChromeSearchLocalNtpHost);
}
} // namespace
void ChromeContentBrowserClient::OverrideNavigationParams(
SiteInstance* site_instance,
ui::PageTransition* transition,
bool* is_renderer_initiated,
content::Referrer* referrer) {
DCHECK(transition);
DCHECK(is_renderer_initiated);
DCHECK(referrer);
// TODO(crbug.com/624410): Factor the predicate to identify a URL as an NTP
// to a shared library.
if (IsNTPSiteInstance(site_instance) &&
ui::PageTransitionCoreTypeIs(*transition, ui::PAGE_TRANSITION_LINK)) {
// Use AUTO_BOOKMARK for clicks on tiles of the new tab page, consistently
// with native implementations like Android's.
*transition = ui::PAGE_TRANSITION_AUTO_BOOKMARK;
*is_renderer_initiated = false;
*referrer = content::Referrer();
}
#if BUILDFLAG(ENABLE_EXTENSIONS)
ChromeContentBrowserClientExtensionsPart::OverrideNavigationParams(
site_instance, transition, is_renderer_initiated, referrer);
#endif
}
bool ChromeContentBrowserClient::ShouldStayInParentProcessForNTP(
const GURL& url,
SiteInstance* parent_site_instance) {
return url.SchemeIs(chrome::kChromeSearchScheme) &&
IsNTPSiteInstance(parent_site_instance);
}
bool ChromeContentBrowserClient::IsSuitableHost(
content::RenderProcessHost* process_host,
const GURL& site_url) {
Profile* profile =
Profile::FromBrowserContext(process_host->GetBrowserContext());
// This may be NULL 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 prerender in progress for the host provided,
// it may not be shared. We require prerenders to be by themselves in a
// separate process so that we can monitor their resource usage.
prerender::PrerenderManager* prerender_manager =
prerender::PrerenderManagerFactory::GetForBrowserContext(
process_host->GetBrowserContext());
if (prerender_manager &&
!prerender_manager->MayReuseProcessHost(process_host)) {
return false;
}
return true;
}
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;
#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_url,
const GURL& new_url) {
#if BUILDFLAG(ENABLE_EXTENSIONS)
return ChromeContentBrowserClientExtensionsPart::
ShouldSwapBrowsingInstancesForNavigation(
site_instance, current_url, new_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.emplace_back(
url::Origin::Create(GaiaUrls::GetInstance()->gaia_url()));
#endif
return isolated_origin_list;
}
bool ChromeContentBrowserClient::ShouldEnableStrictSiteIsolation() {
return base::FeatureList::IsEnabled(features::kSitePerProcess);
}
bool ChromeContentBrowserClient::ShouldDisableSiteIsolation() {
// Using 1077 rather than 1024 because 1) it helps ensure that devices with
// exactly 1GB of RAM won't get included because of inaccuracies or off-by-one
// errors and 2) this is the bucket boundary in Memory.Stats.Win.TotalPhys2.
// See also https://crbug.com/844118.
constexpr int kDefaultMemoryThresholdMb = 1077;
// TODO(acolwell): Rename feature since it now affects more than just the
// site-per-process case.
if (base::FeatureList::IsEnabled(
features::kSitePerProcessOnlyForHighMemoryClients)) {
int memory_threshold_mb = base::GetFieldTrialParamByFeatureAsInt(
features::kSitePerProcessOnlyForHighMemoryClients,
features::kSitePerProcessOnlyForHighMemoryClientsParamName,
kDefaultMemoryThresholdMb);
return base::SysInfo::AmountOfPhysicalMemoryMB() <= memory_threshold_mb;
}
#if defined(OS_ANDROID)
if (base::SysInfo::AmountOfPhysicalMemoryMB() <= kDefaultMemoryThresholdMb) {
return true;
}
#endif
return false;
}
std::vector<std::string>
ChromeContentBrowserClient::GetAdditionalSiteIsolationModes() {
if (SiteIsolationPolicy::IsIsolationForPasswordSitesEnabled())
return {"Isolate Password Sites"};
else
return {};
}
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 {
bool IsAutoReloadEnabled() {
const base::CommandLine& browser_command_line =
*base::CommandLine::ForCurrentProcess();
if (browser_command_line.HasSwitch(switches::kEnableOfflineAutoReload))
return true;
if (browser_command_line.HasSwitch(switches::kDisableOfflineAutoReload))
return false;
return true;
}
bool IsAutoReloadVisibleOnlyEnabled() {
const base::CommandLine& browser_command_line =
*base::CommandLine::ForCurrentProcess();
if (browser_command_line.HasSwitch(
switches::kEnableOfflineAutoReloadVisibleOnly)) {
return true;
}
if (browser_command_line.HasSwitch(
switches::kDisableOfflineAutoReloadVisibleOnly)) {
return false;
}
return true;
}
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(switches::kBlinkSettings) ||
command_line->HasSwitch(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(switches::kBlinkSettings,
base::JoinString(blink_settings, ","));
}
#if defined(OS_ANDROID)
template <typename Interface>
void ForwardToJavaFrameRegistry(
mojo::InterfaceRequest<Interface> request,
content::RenderFrameHost* render_frame_host) {
render_frame_host->GetJavaInterfaces()->GetInterface(std::move(request));
}
template <typename Interface>
void ForwardToJavaWebContentsRegistry(
mojo::InterfaceRequest<Interface> request,
content::RenderFrameHost* render_frame_host) {
content::WebContents* contents =
content::WebContents::FromRenderFrameHost(render_frame_host);
if (contents)
contents->GetJavaInterfaces()->GetInterface(std::move(request));
}
#endif
} // namespace
void ChromeContentBrowserClient::AppendExtraCommandLineSwitches(
base::CommandLine* command_line,
int child_process_id) {
#if defined(OS_MACOSX)
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 = 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());
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[] = {
switches::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 defined(OS_CHROMEOS)
// 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())
: NULL;
for (size_t i = 0; i < extra_parts_.size(); ++i) {
extra_parts_[i]->AppendExtraRendererCommandLineSwitches(
command_line, process, profile);
}
#if defined(OS_CHROMEOS)
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);
}
const base::ListValue* switches =
prefs->GetList(prefs::kEnableDeprecatedWebPlatformFeatures);
if (switches) {
// Enable any deprecated features that have been re-enabled by policy.
for (auto it = switches->begin(); it != switches->end(); ++it) {
std::string switch_to_enable;
if (it->GetAsString(&switch_to_enable))
command_line->AppendSwitch(switch_to_enable);
}
}
// Disable client-side phishing detection in the renderer if it is
// disabled in the Profile preferences or the browser process.
if (!prefs->GetBoolean(prefs::kSafeBrowsingEnabled) ||
!g_browser_process->safe_browsing_detection_service()) {
command_line->AppendSwitch(
switches::kDisableClientSidePhishingDetection);
}
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);
}
#endif
if (prefs->HasPrefPath(prefs::kAllowDinosaurEasterEgg) &&
!prefs->GetBoolean(prefs::kAllowDinosaurEasterEgg)) {
command_line->AppendSwitch(
error_page::switches::kDisableDinosaurEasterEgg);
}
if (prefs->HasPrefPath(prefs::kUnsafelyTreatInsecureOriginAsSecure)) {
command_line->AppendSwitchASCII(
network::switches::kUnsafelyTreatInsecureOriginAsSecure,
prefs->GetString(prefs::kUnsafelyTreatInsecureOriginAsSecure));
}
if (prefs->HasPrefPath(prefs::kAllowPopupsDuringPageUnload))
command_line->AppendSwitch(switches::kAllowPopupsDuringPageUnload);
}
if (IsAutoReloadEnabled())
command_line->AppendSwitch(switches::kEnableOfflineAutoReload);
if (IsAutoReloadVisibleOnlyEnabled()) {
command_line->AppendSwitch(
switches::kEnableOfflineAutoReloadVisibleOnly);
}
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 defined(OS_CHROMEOS)
switches::kShortMergeSessionTimeoutForTest, // For tests only.
#endif
#if BUILDFLAG(ENABLE_EXTENSIONS)
extensions::switches::kAllowHTTPBackgroundPage,
extensions::switches::kAllowLegacyExtensionManifests,
extensions::switches::kDisableExtensionsHttpThrottling,
extensions::switches::kEnableEmbeddedExtensionOptions,
extensions::switches::kEnableExperimentalExtensionApis,
extensions::switches::kExtensionsOnChromeURLs,
extensions::switches::kSetExtensionThrottleTestParams, // For tests only.
extensions::switches::kWhitelistedExtensionID,
#endif
switches::kAllowInsecureLocalhost,
switches::kAppsGalleryURL,
switches::kCloudPrintURL,
switches::kCloudPrintXmppEndpoint,
switches::kDisableBundledPpapiFlash,
switches::kDisableJavaScriptHarmonyShipping,
variations::switches::kEnableBenchmarking,
switches::kEnableDistillabilityService,
switches::kEnableNaCl,
#if BUILDFLAG(ENABLE_NACL)
switches::kEnableNaClDebug,
switches::kEnableNaClNonSfiMode,
#endif
switches::kEnableNetBenchmarking,
#if BUILDFLAG(ENABLE_NACL)
switches::kForcePNaClSubzero,
#endif
switches::kForceUIDirection,
switches::kJavaScriptHarmony,
switches::kOriginTrialDisabledFeatures,
switches::kOriginTrialDisabledTokens,
switches::kOriginTrialPublicKey,
switches::kPpapiFlashArgs,
switches::kPpapiFlashPath,
switches::kPpapiFlashVersion,
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::kWhitelistedExtensionID,
};
command_line->CopySwitchesFrom(browser_command_line, kSwitchNames,
base::size(kSwitchNames));
#endif
} else if (process_type == service_manager::switches::kZygoteProcess) {
static const char* const kSwitchNames[] = {
// Load (in-process) Pepper plugins in-process in the zygote pre-sandbox.
switches::kDisableBundledPpapiFlash,
#if BUILDFLAG(ENABLE_NACL)
switches::kEnableNaClDebug,
switches::kEnableNaClNonSfiMode,
switches::kForcePNaClSubzero,
switches::kNaClDangerousNoSandboxNonSfi,
#endif
switches::kPpapiFlashPath,
switches::kPpapiFlashVersion,
};
command_line->CopySwitchesFrom(browser_command_line, kSwitchNames,
base::size(kSwitchNames));
} else if (process_type == switches::kGpuProcess) {
// If --ignore-gpu-blacklist is passed in, don't send in crash reports
// because GPU is expected to be unreliable.
if (browser_command_line.HasSwitch(switches::kIgnoreGpuBlacklist) &&
!command_line->HasSwitch(switches::kDisableBreakpad))
command_line->AppendSwitch(switches::kDisableBreakpad);
}
StackSamplingConfiguration::Get()->AppendCommandLineSwitchForChildProcess(
process_type,
command_line);
}
void ChromeContentBrowserClient::AdjustUtilityServiceProcessCommandLine(
const service_manager::Identity& identity,
base::CommandLine* command_line) {
#if defined(OS_CHROMEOS)
bool copy_switches = false;
if (identity.name() == ash::mojom::kServiceName) {
copy_switches = true;
command_line->AppendSwitch(switches::kMessageLoopTypeUi);
}
if (ash_service_registry::IsAshRelatedServiceName(identity.name())) {
// Ash services also need command line flags, as some flags are used to
// configure the compositor.
copy_switches = true;
command_line->AppendSwitchASCII(switches::kMashServiceName,
identity.name());
}
if (identity.name() == viz::mojom::kVizServiceName) {
#if defined(USE_OZONE)
if (ui::OzonePlatform::EnsureInstance()->GetMessageLoopTypeForGpu() ==
base::MessageLoop::TYPE_UI) {
command_line->AppendSwitch(switches::kMessageLoopTypeUi);
}
#endif
content::GpuDataManager::GetInstance()->AppendGpuCommandLine(command_line);
}
// TODO(crbug.com/906954): whitelist flags to copy.
if (copy_switches) {
for (const auto& sw : base::CommandLine::ForCurrentProcess()->GetSwitches())
command_line->AppendSwitchNative(sw.first, sw.second);
}
#endif
#if defined(OS_MACOSX)
// On Mac, the video-capture and audio services require a CFRunLoop, provided
// by a UI message loop, to run AVFoundation and CoreAudio code.
// See https://crbug.com/834581
if (identity.name() == video_capture::mojom::kServiceName ||
identity.name() == audio::mojom::kServiceName)
command_line->AppendSwitch(switches::kMessageLoopTypeUi);
#endif
}
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);
}
const gfx::ImageSkia* ChromeContentBrowserClient::GetDefaultFavicon() {
ui::ResourceBundle& rb = ui::ResourceBundle::GetSharedInstance();
return rb.GetNativeImageNamed(IDR_DEFAULT_FAVICON).ToImageSkia();
}
bool ChromeContentBrowserClient::IsDataSaverEnabled(
content::BrowserContext* browser_context) {
Profile* profile = Profile::FromBrowserContext(browser_context);
return profile && data_reduction_proxy::DataReductionProxySettings::
IsDataSaverEnabledByUser(profile->GetPrefs());
}
void ChromeContentBrowserClient::UpdateRendererPreferencesForWorker(
content::BrowserContext* browser_context,
blink::mojom::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& first_party,
content::ResourceContext* context) {
DCHECK_CURRENTLY_ON(BrowserThread::IO);
ProfileIOData* io_data = ProfileIOData::FromResourceContext(context);
return io_data->GetCookieSettings()->IsCookieAccessAllowed(manifest_url,
first_party);
}
bool ChromeContentBrowserClient::AllowServiceWorker(
const GURL& scope,
const GURL& first_party_url,
content::ResourceContext* context,
base::RepeatingCallback<content::WebContents*()> wc_getter) {
DCHECK_CURRENTLY_ON(BrowserThread::IO);
#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 TabSpecificContentSettings, 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, context)) {
return false;
}
#endif
ProfileIOData* io_data = ProfileIOData::FromResourceContext(context);
// Check if JavaScript is allowed.
content_settings::SettingInfo info;
std::unique_ptr<base::Value> value =
io_data->GetHostContentSettingsMap()->GetWebsiteSetting(
first_party_url, first_party_url, CONTENT_SETTINGS_TYPE_JAVASCRIPT,
std::string(), &info);
ContentSetting setting = content_settings::ValueToContentSetting(value.get());
bool allow_javascript = (setting == CONTENT_SETTING_ALLOW);
// Check if cookies are allowed.
bool allow_serviceworker =
io_data->GetCookieSettings()->IsCookieAccessAllowed(scope,
first_party_url);
// Record access to database for potential display in UI.
// Only post the task if this is for a specific tab.
if (!wc_getter.is_null()) {
base::PostTaskWithTraits(
FROM_HERE, {BrowserThread::UI},
base::BindOnce(&TabSpecificContentSettings::ServiceWorkerAccessed,
std::move(wc_getter), scope, !allow_javascript,
!allow_serviceworker));
}
return allow_javascript && allow_serviceworker;
}
bool ChromeContentBrowserClient::AllowSharedWorker(
const GURL& worker_url,
const GURL& main_frame_url,
const std::string& name,
const url::Origin& constructor_origin,
content::BrowserContext* context,
int render_process_id,
int render_frame_id) {
DCHECK_CURRENTLY_ON(BrowserThread::UI);
// Check if cookies are allowed.
bool allow =
CookieSettingsFactory::GetForProfile(Profile::FromBrowserContext(context))
->IsCookieAccessAllowed(worker_url, main_frame_url);
TabSpecificContentSettings::SharedWorkerAccessed(
render_process_id, render_frame_id, worker_url, name, constructor_origin,
!allow);
return allow;
}
bool ChromeContentBrowserClient::AllowSignedExchange(
content::ResourceContext* resource_context) {
DCHECK_CURRENTLY_ON(BrowserThread::IO);
// Null-check safe_browsing_service_ as in unit tests |resource_context| is a
// MockResourceContext and the cast doesn't work.
if (!safe_browsing_service_)
return false;
ProfileIOData* io_data = ProfileIOData::FromResourceContext(resource_context);
return io_data->signed_exchange_enabled()->GetValue();
}
bool ChromeContentBrowserClient::AllowGetCookie(
const GURL& url,
const GURL& first_party,
const net::CookieList& cookie_list,
content::ResourceContext* context,
int render_process_id,
int render_frame_id) {
DCHECK_CURRENTLY_ON(BrowserThread::IO);
ProfileIOData* io_data = ProfileIOData::FromResourceContext(context);
bool allow =
io_data->GetCookieSettings()->IsCookieAccessAllowed(url, first_party);
OnCookiesRead(render_process_id, render_frame_id, url, first_party,
cookie_list, !allow);
return allow;
}
bool ChromeContentBrowserClient::AllowSetCookie(
const GURL& url,
const GURL& first_party,
const net::CanonicalCookie& cookie,
content::ResourceContext* context,
int render_process_id,
int render_frame_id) {
DCHECK_CURRENTLY_ON(BrowserThread::IO);
ProfileIOData* io_data = ProfileIOData::FromResourceContext(context);
content_settings::CookieSettings* cookie_settings =
io_data->GetCookieSettings();
bool allow = cookie_settings->IsCookieAccessAllowed(url, first_party);
OnCookieChange(render_process_id, render_frame_id, url, first_party, cookie,
!allow);
return allow;
}
void ChromeContentBrowserClient::OnCookiesRead(
int process_id,
int routing_id,
const GURL& url,
const GURL& first_party_url,
const net::CookieList& cookie_list,
bool blocked_by_policy) {
base::RepeatingCallback<content::WebContents*(void)> wc_getter =
base::BindRepeating(&GetWebContentsFromProcessAndFrameId, process_id,
routing_id);
base::PostTaskWithTraits(
FROM_HERE, {BrowserThread::UI},
base::BindOnce(&TabSpecificContentSettings::CookiesRead, wc_getter, url,
first_party_url, cookie_list, blocked_by_policy));
}
void ChromeContentBrowserClient::OnCookieChange(
int process_id,
int routing_id,
const GURL& url,
const GURL& first_party_url,
const net::CanonicalCookie& cookie,
bool blocked_by_policy) {
base::RepeatingCallback<content::WebContents*(void)> wc_getter =
base::BindRepeating(&GetWebContentsFromProcessAndFrameId, process_id,
routing_id);
base::PostTaskWithTraits(
FROM_HERE, {BrowserThread::UI},
base::BindOnce(&TabSpecificContentSettings::CookieChanged, wc_getter, url,
first_party_url, cookie, blocked_by_policy));
}
void ChromeContentBrowserClient::AllowWorkerFileSystem(
const GURL& url,
content::ResourceContext* context,
const std::vector<content::GlobalFrameRoutingId>& render_frames,
base::Callback<void(bool)> callback) {
DCHECK_CURRENTLY_ON(BrowserThread::IO);
ProfileIOData* io_data = ProfileIOData::FromResourceContext(context);
content_settings::CookieSettings* cookie_settings =
io_data->GetCookieSettings();
bool allow = cookie_settings->IsCookieAccessAllowed(url, url);
#if BUILDFLAG(ENABLE_EXTENSIONS)
GuestPermissionRequestHelper(url, render_frames, callback, allow);
#else
FileSystemAccessed(url, render_frames, callback, allow);
#endif
}
#if BUILDFLAG(ENABLE_EXTENSIONS)
void ChromeContentBrowserClient::GuestPermissionRequestHelper(
const GURL& url,
const std::vector<content::GlobalFrameRoutingId>& render_frames,
base::Callback<void(bool)> callback,
bool allow) {
DCHECK_CURRENTLY_ON(BrowserThread::IO);
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, callback, allow);
return;
}
DCHECK_EQ(1U, process_map.size());
it = process_map.begin();
base::PostTaskWithTraits(
FROM_HERE, {BrowserThread::UI},
base::BindOnce(
&ChromeContentBrowserClient::RequestFileSystemPermissionOnUIThread,
it->first, it->second, url, allow,
base::Bind(
&ChromeContentBrowserClient::FileSystemAccessed,
weak_factory_.GetWeakPtr(), url, render_frames,
base::Bind(&InvokeCallbackOnThread,
base::SequencedTaskRunnerHandle::Get(), callback))));
}
void ChromeContentBrowserClient::RequestFileSystemPermissionOnUIThread(
int render_process_id,
int render_frame_id,
const GURL& url,
bool allowed_by_default,
const base::Callback<void(bool)>& callback) {
DCHECK_CURRENTLY_ON(BrowserThread::UI);
extensions::WebViewPermissionHelper* web_view_permission_helper =
extensions::WebViewPermissionHelper::FromFrameID(
render_process_id, render_frame_id);
web_view_permission_helper->RequestFileSystemPermission(url,
allowed_by_default,
callback);
}
#endif
void ChromeContentBrowserClient::FileSystemAccessed(
const GURL& url,
const std::vector<content::GlobalFrameRoutingId>& render_frames,
base::Callback<void(bool)> callback,
bool allow) {
// Record access to file system for potential display in UI.
for (const auto& it : render_frames) {
base::PostTaskWithTraits(
FROM_HERE, {BrowserThread::UI},
base::BindOnce(&TabSpecificContentSettings::FileSystemAccessed,
it.child_id, it.frame_routing_id, url, !allow));
}
callback.Run(allow);
}
bool ChromeContentBrowserClient::AllowWorkerIndexedDB(
const GURL& url,
content::ResourceContext* context,
const std::vector<content::GlobalFrameRoutingId>& render_frames) {
DCHECK_CURRENTLY_ON(BrowserThread::IO);
ProfileIOData* io_data = ProfileIOData::FromResourceContext(context);
content_settings::CookieSettings* cookie_settings =
io_data->GetCookieSettings();
bool allow = cookie_settings->IsCookieAccessAllowed(url, url);
// Record access to IndexedDB for potential display in UI.
for (const auto& it : render_frames) {
base::PostTaskWithTraits(
FROM_HERE, {BrowserThread::UI},
base::BindOnce(&TabSpecificContentSettings::IndexedDBAccessed,
it.child_id, it.frame_routing_id, url, !allow));
}
return allow;
}
bool ChromeContentBrowserClient::AllowWorkerCacheStorage(
const GURL& url,
content::ResourceContext* context,
const std::vector<content::GlobalFrameRoutingId>& render_frames) {
DCHECK_CURRENTLY_ON(BrowserThread::IO);
ProfileIOData* io_data = ProfileIOData::FromResourceContext(context);
content_settings::CookieSettings* cookie_settings =
io_data->GetCookieSettings();
bool allow = cookie_settings->IsCookieAccessAllowed(url, url);
// Record access to CacheStorage for potential display in UI.
for (const auto& it : render_frames) {
base::PostTaskWithTraits(
FROM_HERE, {BrowserThread::UI},
base::BindOnce(&TabSpecificContentSettings::CacheStorageAccessed,
it.child_id, it.frame_routing_id, url, !allow));
}
return allow;
}
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(
PermissionContextBase::kPermissionsKillSwitchFieldStudy,
"Bluetooth") ==
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(),
CONTENT_SETTINGS_TYPE_BLUETOOTH_GUARD,
std::string()) == CONTENT_SETTING_BLOCK) {
return AllowWebBluetoothResult::BLOCK_POLICY;
}
return AllowWebBluetoothResult::ALLOW;
}
std::string ChromeContentBrowserClient::GetWebBluetoothBlocklist() {
return variations::GetVariationParamValue("WebBluetoothBlocklist",
"blocklist_additions");
}
net::CookieStore* ChromeContentBrowserClient::OverrideCookieStoreForURL(
const GURL& url,
content::ResourceContext* context) {
DCHECK_CURRENTLY_ON(BrowserThread::IO);
#if BUILDFLAG(ENABLE_EXTENSIONS)
if (url.SchemeIs(extensions::kExtensionScheme)) {
ProfileIOData* io_data = ProfileIOData::FromResourceContext(context);
return io_data->GetExtensionsCookieStore();
}
#endif
return nullptr;
}
#if defined(OS_CHROMEOS)
void ChromeContentBrowserClient::OnTrustAnchorUsed(
const std::string& username_hash) {
policy::PolicyCertServiceFactory::SetUsedPolicyCertificates(username_hash);
}
#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();
}
#if defined(OS_ANDROID)
bool ChromeContentBrowserClient::ShouldUseGmsCoreGeolocationProvider() {
// Indicate that Chrome uses the GMS core location provider.
return true;
}
#endif
QuotaPermissionContext*
ChromeContentBrowserClient::CreateQuotaPermissionContext() {
return new ChromeQuotaPermissionContext();
}
void ChromeContentBrowserClient::GetQuotaSettings(
content::BrowserContext* context,
content::StoragePartition* partition,
storage::OptionalQuotaSettingsCallback callback) {
if (g_default_quota_settings) {
// For debugging tests harness can inject settings.
std::move(callback).Run(*g_default_quota_settings);
return;
}
storage::GetNominalDynamicSettings(
partition->GetPath(), context->IsOffTheRecord(),
storage::GetDefaultDiskInfoHelper(), std::move(callback));
}
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.
return content::GeneratedCodeCacheSettings(true, 0, cache_path);
}
void ChromeContentBrowserClient::AllowCertificateError(
content::WebContents* web_contents,
int cert_error,
const net::SSLInfo& ssl_info,
const GURL& request_url,
ResourceType resource_type,
bool strict_enforcement,
bool expired_previous_decision,
const base::Callback<void(content::CertificateRequestResultType)>&
callback) {
DCHECK(web_contents);
if (resource_type != content::RESOURCE_TYPE_MAIN_FRAME) {
// 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())
callback.Run(content::CERTIFICATE_REQUEST_RESULT_TYPE_DENY);
return;
}
// If the tab is being prerendered, cancel the prerender and the request.
prerender::PrerenderContents* prerender_contents =
prerender::PrerenderContents::FromWebContents(web_contents);
if (prerender_contents) {
prerender_contents->Destroy(prerender::FINAL_STATUS_SSL_ERROR);
if (!callback.is_null()) {
callback.Run(content::CERTIFICATE_REQUEST_RESULT_TYPE_CANCEL);
}
return;
}
if (base::FeatureList::IsEnabled(features::kSSLCommittedInterstitials)) {
// We deny the request here in order to trigger the committed interstitials
// code path (committing certificate error pages as navigations) instead of
// the old code path.
callback.Run(content::CERTIFICATE_REQUEST_RESULT_TYPE_DENY);
return;
}
// Otherwise, display an SSL blocking page. The interstitial page takes
// ownership of ssl_blocking_page. We pass a null BlockingPageReadyCallback()
// to indicate that we don't want SSLErrorHandler to take the committed
// interstitials code path.
SSLErrorHandler::HandleSSLError(
web_contents, cert_error, ssl_info, request_url,
expired_previous_decision,
std::make_unique<CertificateReportingServiceCertReporter>(web_contents),
callback, SSLErrorHandler::BlockingPageReadyCallback());
}
namespace {
certificate_matching::CertificatePrincipalPattern
ParseCertificatePrincipalPattern(const base::Value* pattern) {
return certificate_matching::CertificatePrincipalPattern::
ParseFromOptionalDict(pattern, "CN", "L", "O", "OU");
}
// Attempts to auto-select a client certificate according to the value of
// |CONTENT_SETTINGS_TYPE_AUTO_SELECT_CERTIFICATE| content setting for
// |requesting_url|. If no certificate was auto-selected, returns nullptr.
std::unique_ptr<net::ClientCertIdentity> AutoSelectCertificate(
Profile* profile,
const GURL& requesting_url,
net::ClientCertIdentityList& client_certs) {
HostContentSettingsMap* host_content_settings_map =
HostContentSettingsMapFactory::GetForProfile(profile);
std::unique_ptr<base::Value> setting =
host_content_settings_map->GetWebsiteSetting(
requesting_url, requesting_url,
CONTENT_SETTINGS_TYPE_AUTO_SELECT_CERTIFICATE, std::string(), NULL);
if (!setting || !setting->is_dict())
return nullptr;
const base::Value* filters =
setting->FindKeyOfType("filters", base::Value::Type::LIST);
if (!filters) {
// |setting_dict| has the wrong format (e.g. single filter instead of a
// list of filters). This content setting is only provided by
// the |PolicyProvider|, which should always set it to a valid format.
// Therefore, delete the invalid value.
host_content_settings_map->SetWebsiteSettingDefaultScope(
requesting_url, requesting_url,
CONTENT_SETTINGS_TYPE_AUTO_SELECT_CERTIFICATE, std::string(), nullptr);
return nullptr;
}
for (const base::Value& filter : filters->GetList()) {
DCHECK(filter.is_dict());
auto issuer_pattern = ParseCertificatePrincipalPattern(
filter.FindKeyOfType("ISSUER", base::Value::Type::DICTIONARY));
auto subject_pattern = ParseCertificatePrincipalPattern(
filter.FindKeyOfType("SUBJECT", base::Value::Type::DICTIONARY));
// Use the first certificate that is matched by the filter.
for (auto& client_cert : client_certs) {
if (issuer_pattern.Matches(client_cert->certificate()->issuer()) &&
subject_pattern.Matches(client_cert->certificate()->subject())) {
return std::move(client_cert);
}
}
}
return nullptr;
}
void AddDataReductionProxyBinding(
content::ResourceContext* resource_context,
data_reduction_proxy::mojom::DataReductionProxyRequest request) {
DCHECK_CURRENTLY_ON(BrowserThread::IO);
auto* io_data = ProfileIOData::FromResourceContext(resource_context);
if (io_data && io_data->data_reduction_proxy_io_data()) {
io_data->data_reduction_proxy_io_data()->Clone(std::move(request));
}
}
} // namespace
void ChromeContentBrowserClient::SelectClientCertificate(
content::WebContents* web_contents,
net::SSLCertRequestInfo* cert_request_info,
net::ClientCertIdentityList client_certs,
std::unique_ptr<content::ClientCertificateDelegate> delegate) {
prerender::PrerenderContents* prerender_contents =
prerender::PrerenderContents::FromWebContents(web_contents);
if (prerender_contents) {
prerender_contents->Destroy(
prerender::FINAL_STATUS_SSL_CLIENT_CERTIFICATE_REQUESTED);
return;
}
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 defined(OS_CHROMEOS)
if (chromeos::ProfileHelper::IsSigninProfile(profile)) {
// TODO(pmarko): crbug.com/723849: Set |may_show_cert_selection| to false
// and remove the command-line flag after prototype phase when the
// DeviceLoginScreenAutoSelectCertificateForUrls policy is live.
may_show_cert_selection =
chromeos::switches::IsSigninFrameClientCertUserSelectionEnabled();
content::StoragePartition* storage_partition =
content::BrowserContext::GetStoragePartition(
profile, 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;
}
VLOG(1) << "Client cert requested in sign-in profile.";
}
#endif // defined(OS_CHROMEOS)
std::unique_ptr<net::ClientCertIdentity> auto_selected_identity =
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;
}
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;
}
chrome::ShowSSLClientCertificateSelector(web_contents, cert_request_info,
std::move(client_certs),
std::move(delegate));
}
content::MediaObserver* ChromeContentBrowserClient::GetMediaObserver() {
return MediaCaptureDevicesDispatcher::GetInstance();
}
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 (!URLHasExtensionBackgroundPermission(process_map, registry, opener_url,
opener->GetProcess()->GetID())) {
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
#if BUILDFLAG(ENABLE_PLUGINS)
HostContentSettingsMap* content_settings =
HostContentSettingsMapFactory::GetForProfile(profile);
if (FlashDownloadInterception::ShouldStopFlashDownloadAction(
content_settings, opener_top_level_frame_url, target_url,
user_gesture)) {
FlashDownloadInterception::InterceptFlashDownloadNavigation(
web_contents, opener_top_level_frame_url);
return false;
}
#endif
// Don't let prerenders open popups.
if (auto* prerender_contents =
prerender::PrerenderContents::FromWebContents(web_contents)) {
prerender_contents->Destroy(prerender::FINAL_STATUS_CREATE_NEW_WINDOW);
return false;
}
BlockedWindowParams blocked_params(target_url, source_origin, referrer,
frame_name, disposition, features,
user_gesture, opener_suppressed);
NavigateParams nav_params = blocked_params.CreateNavigateParams(web_contents);
if (MaybeBlockPopup(web_contents, opener_top_level_frame_url, &nav_params,
nullptr /*=open_url_params*/,
blocked_params.features())) {
return false;
}
#if defined(OS_ANDROID)
auto* single_tab_mode_helper =
SingleTabModeTabHelper::FromWebContents(web_contents);
if (single_tab_mode_helper &&
single_tab_mode_helper->block_all_new_windows()) {
TabModelList::HandlePopupNavigation(&nav_params);
return false;
}
#endif
return true;
}
void ChromeContentBrowserClient::ResourceDispatcherHostCreated() {
DCHECK_CURRENTLY_ON(BrowserThread::UI);
safe_browsing_service_ = g_browser_process->safe_browsing_service();
for (size_t i = 0; i < extra_parts_.size(); ++i)
extra_parts_[i]->ResourceDispatcherHostCreated();
return g_browser_process->ResourceDispatcherHostCreated();
}
content::SpeechRecognitionManagerDelegate*
ChromeContentBrowserClient::CreateSpeechRecognitionManagerDelegate() {
return new speech::ChromeSpeechRecognitionManagerDelegate();
}
content::TtsControllerDelegate*
ChromeContentBrowserClient::GetTtsControllerDelegate() {
TtsControllerDelegateImpl* delegate =
TtsControllerDelegateImpl::GetInstance();
#if !defined(OS_ANDROID)
TtsExtensionEngine* tts_extension_engine = TtsExtensionEngine::GetInstance();
delegate->SetTtsEngineDelegate(tts_extension_engine);
#endif
return delegate;
}
content::TtsPlatform* ChromeContentBrowserClient::GetTtsPlatform() {
#ifdef OS_CHROMEOS
return TtsPlatformImplChromeOs::GetInstance();
#else
return nullptr;
#endif
}
net::NetLog* ChromeContentBrowserClient::GetNetLog() {
return g_browser_process->net_log();
}
void ChromeContentBrowserClient::OverrideWebkitPrefs(
RenderViewHost* rvh, WebPreferences* web_prefs) {
Profile* profile = Profile::FromBrowserContext(
rvh->GetProcess()->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->device_scale_adjustment = GetDeviceScaleAdjustment();
web_prefs->force_enable_zoom =
prefs->GetBoolean(prefs::kWebKitForceEnableZoom);
web_prefs->force_dark_mode_enabled =
prefs->GetBoolean(prefs::kWebKitForceDarkModeEnabled);
#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 =
content::IMAGE_ANIMATION_POLICY_ANIMATION_ONCE;
else if (image_animation_policy == kAnimationPolicyNone)
web_prefs->animation_policy = content::IMAGE_ANIMATION_POLICY_NO_ANIMATION;
else
web_prefs->animation_policy = content::IMAGE_ANIMATION_POLICY_ALLOWED;
#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);
content::WebContents* contents =
content::WebContents::FromRenderViewHost(rvh);
if (contents) {
#if defined(OS_ANDROID)
TabAndroid* tab_android = TabAndroid::FromWebContents(contents);
if (tab_android) {
web_prefs->embedded_media_experience_enabled =
tab_android->ShouldEnableEmbeddedMediaExperience();
web_prefs->picture_in_picture_enabled =
tab_android->IsPictureInPictureEnabled();
web_prefs->preferred_color_scheme =
tab_android->NightModeEnabled() ? blink::PreferredColorScheme::kDark
: blink::PreferredColorScheme::kLight;
}
#endif // defined(OS_ANDROID)
// web_app_scope value is platform specific.
#if defined(OS_ANDROID)
if (tab_android)
web_prefs->web_app_scope = tab_android->GetWebappManifestScope();
#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(contents);
if (base::FeatureList::IsEnabled(features::kDesktopPWAWindowing) &&
browser && browser->web_app_controller() &&
browser->web_app_controller()->CreatedForInstalledPwa()) {
// PWAs should be hosted apps.
DCHECK(browser->web_app_controller()->IsHostedApp());
// HostedApps that are PWAs are always created through WebAppProvider
// or BookmarkAppHelper for profiles that support them, so we should
// always be able to retrieve a WebAppProvider from the Profile.
//
// Similarly, if a Hosted Apps is a PWA, it will always have a scope
// so there is no need to test for HasScope().
web_prefs->web_app_scope =
web_app::WebAppProvider::Get(profile)
->registrar()
.GetScopeUrlForApp(*browser->web_app_controller()->GetAppId());
}
}
#endif
#if BUILDFLAG(ENABLE_EXTENSIONS)
Browser* browser = chrome::FindBrowserWithWebContents(contents);
if (browser && browser->web_app_controller() &&
browser->web_app_controller()->CreatedForInstalledPwa()) {
web_prefs->strict_mixed_content_checking = true;
}
#endif
web_prefs->immersive_mode_enabled = vr::VrTabHelper::IsInVr(contents);
}
#if defined(OS_ANDROID)
web_prefs->video_fullscreen_detection_enabled = true;
#endif // defined(OS_ANDROID)
if (base::FeatureList::IsEnabled(features::kLowPriorityIframes)) {
// Obtain the maximum effective connection type at which the feature is
// enabled.
std::string effective_connection_type_param =
base::GetFieldTrialParamValueByFeature(
features::kLowPriorityIframes,
"max_effective_connection_type_threshold");
base::Optional<net::EffectiveConnectionType> effective_connection_type =
net::GetEffectiveConnectionTypeForName(effective_connection_type_param);
if (effective_connection_type) {
web_prefs->low_priority_iframes_threshold =
effective_connection_type.value();
}
}
web_prefs->lazy_load_enabled =
(base::FeatureList::IsEnabled(features::kLazyFrameLoading) ||
base::FeatureList::IsEnabled(features::kLazyImageLoading)) &&
(!contents || !contents->GetDelegate() ||
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) {
base::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
[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) {
base::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
[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");
base::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 =
effective_connection_type.value();
}
}
#if !defined(OS_ANDROID)
if (IsAutoplayAllowedByPolicy(contents, prefs)) {
// If autoplay is allowed by policy then force the no user gesture required
// autoplay policy.
web_prefs->autoplay_policy =
content::AutoplayPolicy::kNoUserGestureRequired;
} else if (base::FeatureList::IsEnabled(media::kAutoplayDisableSettings) &&
web_prefs->autoplay_policy ==
content::AutoplayPolicy::kDocumentUserActivationRequired) {
// If the autoplay disable settings feature is enabled and the autoplay
// policy is set to using the unified policy then set the default autoplay
// policy based on user preference.
web_prefs->autoplay_policy =
UnifiedAutoplayConfig::ShouldBlockAutoplay(profile)
? content::AutoplayPolicy::kDocumentUserActivationRequired
: content::AutoplayPolicy::kNoUserGestureRequired;
}
#endif // !defined(OS_ANDROID)
web_prefs->translate_service_available = TranslateService::IsAvailable(prefs);
// Apply native CaptionStyle parameters.
// TODO(ellyjones): Support more native caption styling.
ui::CaptionStyle style =
ui::NativeTheme::GetInstanceForWeb()->GetSystemCaptionStyle();
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;
for (size_t i = 0; i < extra_parts_.size(); ++i)
extra_parts_[i]->OverrideWebkitPrefs(rvh, web_prefs);
}
void ChromeContentBrowserClient::BrowserURLHandlerCreated(
BrowserURLHandler* handler) {
for (size_t i = 0; i < extra_parts_.size(); ++i)
extra_parts_[i]->BrowserURLHandlerCreated(handler);
// about: handler. Must come before chrome: handler, since it will
// rewrite about: urls to chrome: URLs and then expect chrome: to
// actually handle them. Also relies on a preliminary fixup phase.
handler->SetFixupHandler(&FixupBrowserAboutURL);
handler->AddHandlerPair(&WillHandleBrowserAboutURL,
BrowserURLHandler::null_handler());
// The group policy NTP URL handler must be registered before the other NTP
// URL handlers below.
handler->AddHandlerPair(&HandleNewTabPageLocationOverride,
BrowserURLHandler::null_handler());
#if defined(OS_ANDROID)
// Handler to rewrite chrome://newtab on Android.
handler->AddHandlerPair(&chrome::android::HandleAndroidNativePageURL,
BrowserURLHandler::null_handler());
#else
// Handler to rewrite chrome://newtab for InstantExtended.
handler->AddHandlerPair(&search::HandleNewTabURLRewrite,
&search::HandleNewTabURLReverseRewrite);
#endif
// chrome: & friends.
handler->AddHandlerPair(&ChromeContentBrowserClient::HandleWebUI,
&ChromeContentBrowserClient::HandleWebUIReverse);
// Handler to rewrite Preview's Server Lite Page, to show the original URL to
// the user.
handler->AddHandlerPair(&HandlePreviewsLitePageURLRewrite,
&HandlePreviewsLitePageURLRewriteReverse);
}
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 NULL;
}
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, allowed_socket_origins_);
#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 (size_t i = 0; i < extra_parts_.size(); ++i) {
extra_parts_[i]->GetAdditionalAllowedSchemesForFileSystem(
additional_allowed_schemes);
}
}
void ChromeContentBrowserClient::GetSchemesBypassingSecureContextCheckWhitelist(
std::set<std::string>* schemes) {
*schemes = secure_origin_whitelist::GetSchemesBypassingSecureContextCheck();
}
void ChromeContentBrowserClient::GetURLRequestAutoMountHandlers(
std::vector<storage::URLRequestAutoMountHandler>* handlers) {
for (size_t i = 0; i < extra_parts_.size(); ++i)
extra_parts_[i]->GetURLRequestAutoMountHandlers(handlers);
}
::rappor::RapporService* ChromeContentBrowserClient::GetRapporService() {
return g_browser_process->rappor_service();
}
void ChromeContentBrowserClient::GetAdditionalFileSystemBackends(
content::BrowserContext* browser_context,
const base::FilePath& storage_partition_path,
std::vector<std::unique_ptr<storage::FileSystemBackend>>*
additional_backends) {
#if defined(OS_CHROMEOS)
storage::ExternalMountPoints* external_mount_points =
content::BrowserContext::GetMountPoints(browser_context);
DCHECK(external_mount_points);
auto backend = std::make_unique<chromeos::FileSystemBackend>(
std::make_unique<drive::FileSystemBackendDelegate>(),
std::make_unique<chromeos::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)),
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, additional_backends);
}
}
#if defined(OS_POSIX) && !defined(OS_MACOSX)
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);
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(service_manager::kCrashDumpSignal, crash_signal_fd);
}
}
#endif // defined(OS_POSIX) && !defined(OS_MACOSX)
#if defined(OS_WIN)
base::string16 ChromeContentBrowserClient::GetAppContainerSidForSandboxType(
int sandbox_type) const {
// TODO(wfh): Add support for more process types here. crbug.com/499523
switch (sandbox_type) {
case service_manager::SANDBOX_TYPE_RENDERER:
return base::string16(install_static::GetSandboxSidPrefix()) +
L"129201922";
case service_manager::SANDBOX_TYPE_UTILITY:
return base::string16();
case service_manager::SANDBOX_TYPE_GPU:
return base::string16();
case service_manager::SANDBOX_TYPE_PPAPI:
return base::string16(install_static::GetSandboxSidPrefix()) +
L"129201925";
#if BUILDFLAG(ENABLE_NACL)
case PROCESS_TYPE_NACL_LOADER:
return base::string16();
case PROCESS_TYPE_NACL_BROKER:
return base::string16();
#endif
}
// Should never reach here.
CHECK(0);
return base::string16();
}
bool ChromeContentBrowserClient::PreSpawnRenderer(
sandbox::TargetPolicy* policy) {
// This code is duplicated in nacl_exe_win_64.cc.
// Allow the server side of a pipe restricted to the "chrome.nacl."
// namespace so that it cannot impersonate other system or other chrome
// service pipes.
sandbox::ResultCode result = policy->AddRule(
sandbox::TargetPolicy::SUBSYS_NAMED_PIPES,
sandbox::TargetPolicy::NAMEDPIPES_ALLOW_ANY,
L"\\\\.\\pipe\\chrome.nacl.*");
if (result != sandbox::SBOX_ALL_OK)
return false;
return result == sandbox::SBOX_ALL_OK;
}
#endif // defined(OS_WIN)
void ChromeContentBrowserClient::ExposeInterfacesToRenderer(
service_manager::BinderRegistry* registry,
blink::AssociatedInterfaceRegistry* associated_registry,
content::RenderProcessHost* render_process_host) {
// The CacheStatsRecorder is an associated binding, instead of a
// non-associated one, because the sender (in the renderer process) posts the
// message after a time delay, in order to rate limit. The association
// protects against the render process host ID being recycled in that time
// gap between the preparation and the execution of that IPC.
associated_registry->AddInterface(
base::Bind(&CacheStatsRecorder::Create, render_process_host->GetID()));
scoped_refptr<base::SingleThreadTaskRunner> ui_task_runner =
base::CreateSingleThreadTaskRunnerWithTraits(
{content::BrowserThread::UI});
registry->AddInterface(
base::Bind(&rappor::RapporRecorderImpl::Create,
g_browser_process->rappor_service()),
ui_task_runner);
registry->AddInterface(
base::BindRepeating(&metrics::CallStackProfileCollector::Create));
if (NetBenchmarking::CheckBenchmarkingEnabled()) {
Profile* profile =
Profile::FromBrowserContext(render_process_host->GetBrowserContext());
auto* loading_predictor =
predictors::LoadingPredictorFactory::GetForProfile(profile);
registry->AddInterface(
base::BindRepeating(
&NetBenchmarking::Create,
loading_predictor ? loading_predictor->GetWeakPtr() : nullptr,
render_process_host->GetID()),
ui_task_runner);
}
#if defined(SAFE_BROWSING_DB_LOCAL) || defined(SAFE_BROWSING_DB_REMOTE)
if (safe_browsing_service_) {
content::ResourceContext* resource_context =
render_process_host->GetBrowserContext()->GetResourceContext();
registry->AddInterface(
base::Bind(
&safe_browsing::MojoSafeBrowsingImpl::MaybeCreate,
render_process_host->GetID(), resource_context,
base::Bind(
&ChromeContentBrowserClient::GetSafeBrowsingUrlCheckerDelegate,
base::Unretained(this), resource_context)),
base::CreateSingleThreadTaskRunnerWithTraits({BrowserThread::IO}));
}
#endif // defined(SAFE_BROWSING_DB_LOCAL) || defined(SAFE_BROWSING_DB_REMOTE)
if (data_reduction_proxy::params::IsEnabledWithNetworkService()) {
registry->AddInterface(base::BindRepeating(
&AddDataReductionProxyBinding,
render_process_host->GetBrowserContext()->GetResourceContext()));
}
#if defined(OS_WIN)
// Add the ModuleEventSink interface. This is the interface used by renderer
// processes to notify the browser of modules in their address space. The
// process handle is not yet available at this point so pass in a callback
// to allow to retrieve a duplicate at the time the interface is actually
// created. It is safe to pass a raw pointer to |render_process_host|: the
// callback will be invoked during the Mojo initialization, which occurs while
// the |render_process_host| is alive.
auto get_process = base::BindRepeating(
[](content::RenderProcessHost* host) -> base::Process {
return host->GetProcess().Duplicate();
},
base::Unretained(render_process_host));
registry->AddInterface(
base::BindRepeating(
&ModuleEventSinkImpl::Create, std::move(get_process),
content::PROCESS_TYPE_RENDERER,
base::BindRepeating(&ModuleDatabase::HandleModuleLoadEvent)),
ui_task_runner);
#endif
#if defined(OS_ANDROID)
Profile* profile =
Profile::FromBrowserContext(render_process_host->GetBrowserContext());
registry->AddInterface(
base::BindRepeating(&android::AvailableOfflineContentProvider::Create,
profile),
base::CreateSingleThreadTaskRunnerWithTraits({BrowserThread::UI}));
#endif
for (auto* ep : extra_parts_) {
ep->ExposeInterfacesToRenderer(registry, associated_registry,
render_process_host);
}
}
void ChromeContentBrowserClient::ExposeInterfacesToMediaService(
service_manager::BinderRegistry* registry,
content::RenderFrameHost* render_frame_host) {
#if BUILDFLAG(ENABLE_LIBRARY_CDMS)
registry->AddInterface(
base::Bind(&OutputProtectionImpl::Create, render_frame_host));
registry->AddInterface(
base::Bind(&PlatformVerificationImpl::Create, render_frame_host));
#endif // BUILDFLAG(ENABLE_LIBRARY_CDMS)
#if BUILDFLAG(ENABLE_MOJO_CDM) && defined(OS_ANDROID)
registry->AddInterface(base::Bind(&CreateMediaDrmStorage, render_frame_host));
#endif
}
void ChromeContentBrowserClient::BindInterfaceRequestFromFrame(
content::RenderFrameHost* render_frame_host,
const std::string& interface_name,
mojo::ScopedMessagePipeHandle interface_pipe) {
if (!frame_interfaces_ && !frame_interfaces_parameterized_ &&
!worker_interfaces_parameterized_) {
InitWebContextInterfaces();
}
if (!frame_interfaces_parameterized_->TryBindInterface(
interface_name, &interface_pipe, render_frame_host)) {
frame_interfaces_->TryBindInterface(interface_name, &interface_pipe);
}
}
void ChromeContentBrowserClient::BindCredentialManagerRequest(
content::RenderFrameHost* render_frame_host,
blink::mojom::CredentialManagerRequest request) {
ChromePasswordManagerClient::BindCredentialManager(std::move(request),
render_frame_host);
}
bool ChromeContentBrowserClient::BindAssociatedInterfaceRequestFromFrame(
content::RenderFrameHost* render_frame_host,
const std::string& interface_name,
mojo::ScopedInterfaceEndpointHandle* handle) {
if (interface_name == autofill::mojom::AutofillDriver::Name_) {
autofill::ContentAutofillDriverFactory::BindAutofillDriver(
autofill::mojom::AutofillDriverAssociatedRequest(std::move(*handle)),
render_frame_host);
return true;
}
if (interface_name == autofill::mojom::PasswordManagerDriver::Name_) {
password_manager::ContentPasswordManagerDriverFactory::BindAutofillDriver(
autofill::mojom::PasswordManagerDriverAssociatedRequest(
std::move(*handle)),
render_frame_host);
return true;
}
if (interface_name == content_capture::mojom::ContentCaptureReceiver::Name_) {
content_capture::ContentCaptureReceiverManager::BindContentCaptureReceiver(
content_capture::mojom::ContentCaptureReceiverAssociatedRequest(
std::move(*handle)),
render_frame_host);
return true;
}
return false;
}
void ChromeContentBrowserClient::BindInterfaceRequestFromWorker(
content::RenderProcessHost* render_process_host,
const url::Origin& origin,
const std::string& interface_name,
mojo::ScopedMessagePipeHandle interface_pipe) {
if (!frame_interfaces_ && !frame_interfaces_parameterized_ &&
!worker_interfaces_parameterized_) {
InitWebContextInterfaces();
}
worker_interfaces_parameterized_->BindInterface(
interface_name, std::move(interface_pipe), render_process_host, origin);
}
void ChromeContentBrowserClient::BindInterfaceRequest(
const service_manager::BindSourceInfo& source_info,
const std::string& interface_name,
mojo::ScopedMessagePipeHandle* interface_pipe) {
if (source_info.identity.name() == content::mojom::kGpuServiceName)
gpu_binder_registry_.TryBindInterface(interface_name, interface_pipe);
}
void ChromeContentBrowserClient::RegisterIOThreadServiceHandlers(
content::ServiceManagerConnection* connection) {
connection->AddServiceRequestHandler(
chrome::mojom::kServiceName,
ChromeService::GetInstance()->CreateChromeServiceRequestHandler());
#if defined(OS_ANDROID)
connection->AddServiceRequestHandler(
proxy_resolver::mojom::kProxyResolverServiceName,
base::BindRepeating([](service_manager::mojom::ServiceRequest request) {
service_manager::Service::RunAsyncUntilTermination(
std::make_unique<proxy_resolver::ProxyResolverService>(
std::move(request)));
}));
connection->AddServiceRequestHandler(
"download_manager", base::BindRepeating(&StartDownloadManager));
#endif
connection->AddServiceRequestHandler(
heap_profiling::mojom::kServiceName,
heap_profiling::HeapProfilingService::GetServiceFactory());
}
void ChromeContentBrowserClient::RegisterOutOfProcessServices(
OutOfProcessServiceMap* services) {
#if defined(OS_WIN)
if (chrome_feature_list_creator_) {
// This has to run very early before ServiceManagerContext is created.
const base::Value* force_network_in_process_value =
chrome_feature_list_creator_->browser_policy_connector()
->GetPolicyService()
->GetPolicies(policy::PolicyNamespace(policy::POLICY_DOMAIN_CHROME,
std::string()))
.GetValue(policy::key::kForceNetworkInProcess);
bool force_network_in_process = false;
if (force_network_in_process_value)
force_network_in_process_value->GetAsBoolean(&force_network_in_process);
if (force_network_in_process)
content::ForceInProcessNetworkService(true);
}
#endif
if (chrome::IsNoopServiceEnabled()) {
(*services)[chrome::mojom::kNoopServiceName] = base::BindRepeating(
&l10n_util::GetStringUTF16, IDS_UTILITY_PROCESS_NOOP_SERVICE_NAME);
}
#if BUILDFLAG(ENABLE_ISOLATED_XR_SERVICE)
(*services)[device::mojom::kVrIsolatedServiceName] = base::BindRepeating(
&l10n_util::GetStringUTF16, IDS_ISOLATED_XR_PROCESS_NAME);
#endif
#if BUILDFLAG(ENABLE_PRINTING)
(*services)[printing::mojom::kServiceName] =
base::BindRepeating(&l10n_util::GetStringUTF16,
IDS_UTILITY_PROCESS_PDF_COMPOSITOR_SERVICE_NAME);
#endif
#if BUILDFLAG(ENABLE_PRINT_PREVIEW) || \
(BUILDFLAG(ENABLE_PRINTING) && defined(OS_WIN))
(*services)[printing::mojom::kChromePrintingServiceName] =
base::BindRepeating(&l10n_util::GetStringUTF16,
IDS_UTILITY_PROCESS_PRINTING_SERVICE_NAME);
#endif
#if BUILDFLAG(ENABLE_EXTENSIONS) || defined(OS_ANDROID)
(*services)[chrome::mojom::kMediaGalleryUtilServiceName] =
base::BindRepeating(&l10n_util::GetStringUTF16,
IDS_UTILITY_PROCESS_MEDIA_GALLERY_UTILITY_NAME);
#endif
#if BUILDFLAG(ENABLE_EXTENSIONS)
(*services)[chrome::mojom::kRemovableStorageWriterServiceName] =
base::BindRepeating(&l10n_util::GetStringUTF16,
IDS_UTILITY_PROCESS_IMAGE_WRITER_NAME);
#endif
#if defined(OS_WIN)
(*services)[chrome::mojom::kUtilWinServiceName] = base::BindRepeating(
&l10n_util::GetStringUTF16, IDS_UTILITY_PROCESS_UTILITY_WIN_NAME);
#endif
#if defined(OS_WIN) && BUILDFLAG(ENABLE_EXTENSIONS)
(*services)[chrome::mojom::kWifiUtilWinServiceName] =
base::BindRepeating(&l10n_util::GetStringUTF16,
IDS_UTILITY_PROCESS_WIFI_CREDENTIALS_GETTER_NAME);
#endif
#if !defined(OS_ANDROID)
(*services)[chrome::mojom::kProfileImportServiceName] = base::BindRepeating(
&l10n_util::GetStringUTF16, IDS_UTILITY_PROCESS_PROFILE_IMPORTER_NAME);
(*services)[proxy_resolver::mojom::kProxyResolverServiceName] =
base::BindRepeating(&l10n_util::GetStringUTF16,
IDS_UTILITY_PROCESS_PROXY_RESOLVER_NAME);
#endif
#if BUILDFLAG(ENABLE_PRINTING) && defined(OS_CHROMEOS)
(*services)[chrome::mojom::kCupsIppParserServiceName] =
base::BindRepeating(&l10n_util::GetStringUTF16,
IDS_UTILITY_PROCESS_CUPS_IPP_PARSER_SERVICE_NAME);
#endif
#if defined(FULL_SAFE_BROWSING) || defined(OS_CHROMEOS)
(*services)[chrome::mojom::kFileUtilServiceName] = base::BindRepeating(
&l10n_util::GetStringUTF16, IDS_UTILITY_PROCESS_FILE_UTILITY_NAME);
#endif
#if !defined(OS_ANDROID)
(*services)[patch::mojom::kServiceName] = base::BindRepeating(
&l10n_util::GetStringUTF16, IDS_UTILITY_PROCESS_PATCH_NAME);
#endif
(*services)[unzip::mojom::kServiceName] = base::BindRepeating(
&l10n_util::GetStringUTF16, IDS_UTILITY_PROCESS_UNZIP_NAME);
#if defined(OS_CHROMEOS)
ash_service_registry::RegisterOutOfProcessServices(services);
(*services)[chromeos::ime::mojom::kServiceName] = base::BindRepeating(
&l10n_util::GetStringUTF16, IDS_UTILITY_PROCESS_IME_SERVICE_NAME);
#endif
#if BUILDFLAG(ENABLE_SIMPLE_BROWSER_SERVICE_OUT_OF_PROCESS)
if (base::CommandLine::ForCurrentProcess()->HasSwitch(
switches::kLaunchSimpleBrowserSwitch)) {
(*services)[simple_browser::mojom::kServiceName] =
base::BindRepeating([]() -> base::string16 {
return base::ASCIIToUTF16("Simple Browser");
});
}
#endif
#if !defined(OS_ANDROID)
if (base::FeatureList::IsEnabled(mirroring::features::kMirroringService) &&
base::FeatureList::IsEnabled(features::kAudioServiceAudioStreams) &&
base::FeatureList::IsEnabled(network::features::kNetworkService)) {
(*services)[mirroring::mojom::kServiceName] =
base::BindRepeating(&base::ASCIIToUTF16, "Mirroring Service");
}
#endif
}
void ChromeContentBrowserClient::HandleServiceRequest(
const std::string& service_name,
service_manager::mojom::ServiceRequest request) {
if (service_name == prefs::mojom::kLocalStateServiceName) {
if (!g_browser_process || !g_browser_process->pref_service_factory())
return;
service_manager::Service::RunAsyncUntilTermination(
g_browser_process->pref_service_factory()->CreatePrefService(
std::move(request)));
}
#if BUILDFLAG(ENABLE_MOJO_MEDIA_IN_BROWSER_PROCESS)
if (service_name == media::mojom::kMediaServiceName) {
service_manager::Service::RunAsyncUntilTermination(
media::CreateMediaService(std::move(request)));
}
#endif
#if BUILDFLAG(ENABLE_SIMPLE_BROWSER_SERVICE_IN_PROCESS)
if (base::CommandLine::ForCurrentProcess()->HasSwitch(
switches::kLaunchInProcessSimpleBrowserSwitch) &&
service_name == simple_browser::mojom::kServiceName) {
service_manager::Service::RunAsyncUntilTermination(
std::make_unique<simple_browser::SimpleBrowserService>(
std::move(request), simple_browser::SimpleBrowserService::
UIInitializationMode::kUseEnvironmentUI));
}
#endif
#if defined(OS_CHROMEOS)
if (service_name == chromeos::cellular_setup::mojom::kServiceName &&
base::FeatureList::IsEnabled(
chromeos::features::kUpdatedCellularActivationUi)) {
service_manager::Service::RunAsyncUntilTermination(
std::make_unique<chromeos::cellular_setup::CellularSetupService>(
std::move(request)));
}
if (service_name == chromeos::secure_channel::mojom::kServiceName) {
service_manager::Service::RunAsyncUntilTermination(
std::make_unique<chromeos::secure_channel::SecureChannelService>(
std::move(request)));
}
auto service = ash_service_registry::HandleServiceRequest(service_name,
std::move(request));
if (service)
service_manager::Service::RunAsyncUntilTermination(std::move(service));
#endif
}
bool ChromeContentBrowserClient::ShouldTerminateOnServiceQuit(
const service_manager::Identity& id) {
#if defined(OS_CHROMEOS)
return ash_service_registry::ShouldTerminateOnServiceQuit(id.name());
#endif
return false;
}
base::Optional<service_manager::Manifest>
ChromeContentBrowserClient::GetServiceManifestOverlay(base::StringPiece name) {
if (name == content::mojom::kBrowserServiceName)
return GetChromeContentBrowserOverlayManifest();
if (name == content::mojom::kGpuServiceName)
return GetChromeContentGpuOverlayManifest();
if (name == content::mojom::kPackagedServicesServiceName) {
service_manager::Manifest overlay;
overlay.packaged_services = GetChromePackagedServiceManifests();
return overlay;
}
if (name == content::mojom::kRendererServiceName)
return GetChromeContentRendererOverlayManifest();
if (name == content::mojom::kUtilityServiceName)
return GetChromeContentUtilityOverlayManifest();
return base::nullopt;
}
std::vector<service_manager::Manifest>
ChromeContentBrowserClient::GetExtraServiceManifests() {
return std::vector<service_manager::Manifest> {
GetChromeRendererManifest(),
#if BUILDFLAG(ENABLE_NACL)
GetNaClLoaderManifest(),
#if defined(OS_WIN) && defined(ARCH_CPU_X86)
GetNaClBrokerManifest(),
#endif // defined(OS_WIN)
#endif // BUILDFLAG(ENABLE_NACL)
};
}
std::vector<std::string> ChromeContentBrowserClient::GetStartupServices() {
#if defined(OS_ANDROID)
return {"download_manager"};
#else
return {};
#endif
}
void ChromeContentBrowserClient::OpenURL(
content::SiteInstance* site_instance,
const content::OpenURLParams& params,
const base::RepeatingCallback<void(content::WebContents*)>& callback) {
DCHECK_CURRENTLY_ON(BrowserThread::UI);
DCHECK(ShouldAllowOpenURL(site_instance, params.url));
content::BrowserContext* browser_context = site_instance->GetBrowserContext();
#if defined(OS_ANDROID)
ServiceTabLauncher::GetInstance()->LaunchTab(browser_context, params,
callback);
#else
NavigateParams nav_params(Profile::FromBrowserContext(browser_context),
params.url, params.transition);
nav_params.FillNavigateParamsFromOpenURLParams(params);
nav_params.user_gesture = params.user_gesture;
Navigate(&nav_params);
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;
}
void ChromeContentBrowserClient::RecordURLMetric(const std::string& metric,
const GURL& url) {
if (url.is_valid()) {
rappor::SampleDomainAndRegistryFromGURL(g_browser_process->rappor_service(),
metric, url);
}
}
std::string ChromeContentBrowserClient::GetMetricSuffixForURL(const GURL& url) {
// Don't change these returned strings. They are written (in hashed form) into
// UMA logs. If you add more strings, you must update histograms.xml and get
// histograms review. Only Google domains should be here for privacy purposes.
// TODO(falken): Ideally Chrome would log the relevant UMA directly and this
// function could be removed.
if (page_load_metrics::IsGoogleSearchResultUrl(url))
return "search";
if (url.host() == "docs.google.com")
return "docs";
return std::string();
}
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(ENABLE_PLUGINS)
std::unique_ptr<content::NavigationThrottle> flash_url_throttle =
FlashDownloadInterception::MaybeCreateThrottleFor(handle);
if (flash_url_throttle)
throttles.push_back(std::move(flash_url_throttle));
#endif
#if BUILDFLAG(ENABLE_SUPERVISED_USERS)
std::unique_ptr<content::NavigationThrottle> supervised_user_throttle =
SupervisedUserNavigationThrottle::MaybeCreateThrottleFor(handle);
if (supervised_user_throttle)
throttles.push_back(std::move(supervised_user_throttle));
#endif
#if defined(OS_ANDROID)
// TODO(davidben): This is insufficient to integrate with prerender properly.
// https://crbug.com/370595
prerender::PrerenderContents* prerender_contents =
prerender::PrerenderContents::FromWebContents(handle->GetWebContents());
if (!prerender_contents && handle->IsInMainFrame()) {
throttles.push_back(
navigation_interception::InterceptNavigationDelegate::CreateThrottleFor(
handle, navigation_interception::SynchronyMode::kAsync));
}
throttles.push_back(InterceptOMADownloadNavigationThrottle::Create(handle));
#elif BUILDFLAG(ENABLE_EXTENSIONS)
if (handle->IsInMainFrame()) {
// Redirect some navigations to apps that have registered matching URL
// handlers ('url_handlers' in the manifest).
auto url_to_app_throttle =
PlatformAppNavigationRedirector::MaybeCreateThrottleFor(handle);
if (url_to_app_throttle)
throttles.push_back(std::move(url_to_app_throttle));
}
if (base::FeatureList::IsEnabled(features::kDesktopPWAWindowing)) {
if (base::FeatureList::IsEnabled(features::kDesktopPWAsLinkCapturing)) {
auto bookmark_app_experimental_throttle =
extensions::BookmarkAppExperimentalNavigationThrottle::
MaybeCreateThrottleFor(handle);
if (bookmark_app_experimental_throttle)
throttles.push_back(std::move(bookmark_app_experimental_throttle));
} else if (!base::FeatureList::IsEnabled(
features::kDesktopPWAsStayInWindow)) {
// Only add the bookmark app navigation throttle if the stay in
// window flag is not set, as the navigation throttle controls
// opening out of scope links in the browser.
auto bookmark_app_throttle =
extensions::BookmarkAppNavigationThrottle::MaybeCreateThrottleFor(
handle);
if (bookmark_app_throttle)
throttles.push_back(std::move(bookmark_app_throttle));
}
}
#endif
#if defined(OS_CHROMEOS)
// 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 (merge_session_throttling_utils::ShouldAttachNavigationThrottle() &&
!merge_session_throttling_utils::AreAllSessionMergedAlready() &&
handle->GetURL().SchemeIsHTTPOrHTTPS()) {
throttles.push_back(MergeSessionNavigationThrottle::Create(handle));
}
}
#endif
#if !defined(OS_ANDROID)
if (base::FeatureList::IsEnabled(features::kIntentPicker)) {
auto url_to_apps_throttle =
#if defined(OS_CHROMEOS)
chromeos::ChromeOsAppsNavigationThrottle::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));
std::unique_ptr<content::NavigationThrottle> user_script_throttle =
extensions::ExtensionsBrowserClient::Get()
->GetUserScriptListener()
->CreateNavigationThrottle(handle);
if (user_script_throttle)
throttles.push_back(std::move(user_script_throttle));
#endif
#if BUILDFLAG(ENABLE_SUPERVISED_USERS)
std::unique_ptr<content::NavigationThrottle> supervised_user_nav_throttle =
SupervisedUserGoogleAuthNavigationThrottle::MaybeCreate(handle);
if (supervised_user_nav_throttle)
throttles.push_back(std::move(supervised_user_nav_throttle));
#endif
content::WebContents* web_contents = handle->GetWebContents();
if (auto* subresource_filter_client =
ChromeSubresourceFilterClient::FromWebContents(web_contents)) {
subresource_filter_client->MaybeAppendNavigationThrottles(handle,
&throttles);
}
#if !defined(OS_ANDROID)
// BackgroundTabNavigationThrottle is used by TabManager, which is only
// enabled on non-Android platforms.
std::unique_ptr<content::NavigationThrottle>
background_tab_navigation_throttle = resource_coordinator::
BackgroundTabNavigationThrottle::MaybeCreateThrottleFor(handle);
if (background_tab_navigation_throttle)
throttles.push_back(std::move(background_tab_navigation_throttle));
#endif
#if defined(FULL_SAFE_BROWSING)
std::unique_ptr<content::NavigationThrottle>
password_protection_navigation_throttle =
safe_browsing::MaybeCreateNavigationThrottle(handle);
if (password_protection_navigation_throttle) {
throttles.push_back(std::move(password_protection_navigation_throttle));
}
#endif
std::unique_ptr<content::NavigationThrottle>
lookalike_url_navigation_throttle = lookalikes::
LookalikeUrlNavigationThrottle::MaybeCreateNavigationThrottle(handle);
if (lookalike_url_navigation_throttle)
throttles.push_back(std::move(lookalike_url_navigation_throttle));
std::unique_ptr<content::NavigationThrottle> pdf_iframe_throttle =
PDFIFrameNavigationThrottle::MaybeCreateThrottleFor(handle);
if (pdf_iframe_throttle)
throttles.push_back(std::move(pdf_iframe_throttle));
std::unique_ptr<content::NavigationThrottle> tab_under_throttle =
TabUnderNavigationThrottle::MaybeCreate(handle);
if (tab_under_throttle)
throttles.push_back(std::move(tab_under_throttle));
throttles.push_back(std::make_unique<PolicyBlacklistNavigationThrottle>(
handle, handle->GetWebContents()->GetBrowserContext()));
if (base::FeatureList::IsEnabled(features::kSSLCommittedInterstitials)) {
throttles.push_back(std::make_unique<SSLErrorNavigationThrottle>(
handle,
std::make_unique<CertificateReportingServiceCertReporter>(web_contents),
base::Bind(&SSLErrorHandler::HandleSSLError)));
}
std::unique_ptr<content::NavigationThrottle> https_upgrade_timing_throttle =
TypedNavigationTimingThrottle::MaybeCreateThrottleFor(handle);
if (https_upgrade_timing_throttle)
throttles.push_back(std::move(https_upgrade_timing_throttle));
#if !defined(OS_ANDROID)
std::unique_ptr<content::NavigationThrottle> devtools_throttle =
DevToolsWindow::MaybeCreateNavigationThrottle(handle);
if (devtools_throttle)
throttles.push_back(std::move(devtools_throttle));
std::unique_ptr<content::NavigationThrottle> new_tab_page_throttle =
NewTabPageNavigationThrottle::MaybeCreateThrottleFor(handle);
if (new_tab_page_throttle)
throttles.push_back(std::move(new_tab_page_throttle));
std::unique_ptr<content::NavigationThrottle>
google_password_manager_throttle =
GooglePasswordManagerNavigationThrottle::MaybeCreateThrottleFor(
handle);
if (google_password_manager_throttle)
throttles.push_back(std::move(google_password_manager_throttle));
#endif
std::unique_ptr<content::NavigationThrottle> previews_lite_page_throttle =
PreviewsLitePageDecider::MaybeCreateThrottleFor(handle);
if (previews_lite_page_throttle)
throttles.push_back(std::move(previews_lite_page_throttle));
if (base::FeatureList::IsEnabled(safe_browsing::kCommittedSBInterstitials)) {
throttles.push_back(
std::make_unique<safe_browsing::SafeBrowsingNavigationThrottle>(
handle));
}
#if defined(OS_WIN) || defined(OS_MACOSX) || \
(defined(OS_LINUX) && !defined(OS_CHROMEOS))
std::unique_ptr<content::NavigationThrottle> browser_switcher_throttle =
browser_switcher::BrowserSwitcherNavigationThrottle ::
MaybeCreateThrottleFor(handle);
if (browser_switcher_throttle)
throttles.push_back(std::move(browser_switcher_throttle));
#endif
throttles.push_back(
std::make_unique<policy::PolicyHeaderNavigationThrottle>(handle));
return throttles;
}
std::unique_ptr<content::NavigationUIData>
ChromeContentBrowserClient::GetNavigationUIData(
content::NavigationHandle* navigation_handle) {
return std::make_unique<ChromeNavigationUIData>(navigation_handle);
}
void ChromeContentBrowserClient::GetHardwareSecureDecryptionCaps(
const std::string& key_system,
const base::flat_set<media::CdmProxy::Protocol>& cdm_proxy_protocols,
base::flat_set<media::VideoCodec>* video_codecs,
base::flat_set<media::EncryptionMode>* encryption_schemes) {
#if defined(OS_WIN) && BUILDFLAG(ENABLE_LIBRARY_CDMS) && \
BUILDFLAG(ENABLE_WIDEVINE)
if (key_system == kWidevineKeySystem) {
GetWidevineHardwareCaps(cdm_proxy_protocols, video_codecs,
encryption_schemes);
}
#endif
}
content::DevToolsManagerDelegate*
ChromeContentBrowserClient::GetDevToolsManagerDelegate() {
#if defined(OS_ANDROID)
return new DevToolsManagerDelegateAndroid();
#else
return new 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 (const auto& it : *expiration_dict) {
// 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,
allowed_file_handle_origins_);
#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,
allowed_dev_channel_origins_);
#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::PrerenderManager* prerender_manager =
prerender::PrerenderManagerFactory::GetForBrowserContext(
web_contents->GetBrowserContext());
if (prerender_manager &&
prerender_manager->IsWebContentsPrerendering(web_contents, nullptr)) {
*visibility_state = content::PageVisibilityState::kPrerender;
}
}
// Forward image Annotator requests to the image_annotation service.
void BindImageAnnotator(image_annotation::mojom::AnnotatorRequest request,
RenderFrameHost* const frame_host) {
content::BrowserContext::GetConnectorFor(
frame_host->GetProcess()->GetBrowserContext())
->BindInterface(image_annotation::mojom::kServiceName,
std::move(request));
}
void ChromeContentBrowserClient::InitWebContextInterfaces() {
frame_interfaces_ = std::make_unique<service_manager::BinderRegistry>();
frame_interfaces_parameterized_ = std::make_unique<
service_manager::BinderRegistryWithArgs<content::RenderFrameHost*>>();
worker_interfaces_parameterized_ =
std::make_unique<service_manager::BinderRegistryWithArgs<
content::RenderProcessHost*, const url::Origin&>>();
// Register mojo ContentTranslateDriver interface only for main frame.
frame_interfaces_parameterized_->AddInterface(
base::BindRepeating(&language::BindContentTranslateDriver));
frame_interfaces_parameterized_->AddInterface(
base::Bind(&InsecureSensitiveInputDriverFactory::BindDriver));
frame_interfaces_parameterized_->AddInterface(
base::BindRepeating(&BindImageAnnotator));
#if defined(OS_ANDROID)
frame_interfaces_parameterized_->AddInterface(base::Bind(
&ForwardToJavaFrameRegistry<blink::mojom::InstalledAppProvider>));
frame_interfaces_parameterized_->AddInterface(
base::Bind(&ForwardToJavaFrameRegistry<payments::mojom::PaymentRequest>));
frame_interfaces_parameterized_->AddInterface(
base::Bind(&ForwardToJavaFrameRegistry<blink::mojom::Authenticator>));
#if defined(BROWSER_MEDIA_CONTROLS_MENU)
frame_interfaces_parameterized_->AddInterface(base::Bind(
&ForwardToJavaFrameRegistry<blink::mojom::MediaControlsMenuHost>));
#endif
#else
if (base::FeatureList::IsEnabled(features::kWebPayments)) {
frame_interfaces_parameterized_->AddInterface(
base::Bind(&payments::CreatePaymentRequest));
}
#endif
#if defined(OS_ANDROID)
frame_interfaces_parameterized_->AddInterface(base::Bind(
&ForwardToJavaWebContentsRegistry<blink::mojom::ShareService>));
#endif
#if !defined(OS_ANDROID)
frame_interfaces_parameterized_->AddInterface(
base::BindRepeating(&BadgeServiceImpl::Create));
#endif
frame_interfaces_parameterized_->AddInterface(
base::BindRepeating(&NavigationPredictor::Create));
#if defined(OS_ANDROID)
frame_interfaces_parameterized_->AddInterface(
base::BindRepeating(&offline_pages::OfflinePageAutoFetcher::Create),
base::CreateSingleThreadTaskRunnerWithTraits({BrowserThread::UI}));
#endif
}
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,
media::mojom::RemotingSourcePtr source,
media::mojom::RemoterRequest request) {
CastRemotingConnector::CreateMediaRemoter(
render_frame_host, std::move(source), std::move(request));
}
#endif // BUILDFLAG(ENABLE_MEDIA_REMOTING)
std::unique_ptr<base::ThreadPool::InitParams>
ChromeContentBrowserClient::GetThreadPoolInitParams() {
return thread_pool_util::GetThreadPoolInitParamsForBrowser();
}
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 content::URLLoaderThrottle {
public:
explicit ProtocolHandlerThrottle(
const scoped_refptr<ProtocolHandlerRegistry::IOThreadDelegate>&
protocol_handler_registry)
: protocol_handler_registry_(protocol_handler_registry) {}
~ProtocolHandlerThrottle() override = default;
void WillStartRequest(network::ResourceRequest* request,
bool* defer) override {
GURL translated_url = protocol_handler_registry_->Translate(request->url);
if (!translated_url.is_empty())
request->url = translated_url;
}
void WillRedirectRequest(net::RedirectInfo* redirect_info,
const network::ResourceResponseHead& response_head,
bool* defer,
std::vector<std::string>* to_be_removed_headers,
net::HttpRequestHeaders* modified_headers) override {
GURL translated_url =
protocol_handler_registry_->Translate(redirect_info->new_url);
if (!translated_url.is_empty())
redirect_info->new_url = translated_url;
}
private:
scoped_refptr<ProtocolHandlerRegistry::IOThreadDelegate>
protocol_handler_registry_;
};
} // namespace
std::vector<std::unique_ptr<content::URLLoaderThrottle>>
ChromeContentBrowserClient::CreateURLLoaderThrottles(
const network::ResourceRequest& request,
content::ResourceContext* resource_context,
const base::RepeatingCallback<content::WebContents*()>& wc_getter,
content::NavigationUIData* navigation_ui_data,
int frame_tree_node_id) {
DCHECK_CURRENTLY_ON(BrowserThread::IO);
bool network_service_enabled =
base::FeatureList::IsEnabled(network::features::kNetworkService);
std::vector<std::unique_ptr<content::URLLoaderThrottle>> result;
ProfileIOData* io_data = nullptr;
// Only set |io_data| if needed, as in unit tests |resource_context| is a
// MockResourceContext and the cast doesn't work.
if (safe_browsing_service_ ||
data_reduction_proxy::params::IsEnabledWithNetworkService()) {
io_data = ProfileIOData::FromResourceContext(resource_context);
}
ChromeNavigationUIData* chrome_navigation_ui_data =
static_cast<ChromeNavigationUIData*>(navigation_ui_data);
if (chrome_navigation_ui_data && io_data &&
io_data->data_reduction_proxy_io_data() &&
data_reduction_proxy::params::IsEnabledWithNetworkService()) {
net::HttpRequestHeaders headers;
data_reduction_proxy::DataReductionProxyRequestOptions* request_options =
io_data->data_reduction_proxy_io_data()->request_options();
uint64_t page_id =
base::FeatureList::IsEnabled(
data_reduction_proxy::features::
kDataReductionProxyPopulatePreviewsPageIDToPingback)
? chrome_navigation_ui_data->data_reduction_proxy_page_id()
: request_options->GeneratePageId();
request_options->AddPageIDRequestHeader(&headers, page_id);
result.push_back(std::make_unique<
data_reduction_proxy::DataReductionProxyURLLoaderThrottle>(
headers,
io_data->data_reduction_proxy_io_data()->GetThrottleManager()));
}
#if defined(SAFE_BROWSING_DB_LOCAL) || defined(SAFE_BROWSING_DB_REMOTE)
if (io_data && safe_browsing_service_) {
bool matches_enterprise_whitelist = safe_browsing::IsURLWhitelistedByPolicy(
request.url, io_data->safe_browsing_whitelist_domains());
if (!matches_enterprise_whitelist &&
(network_service_enabled ||
base::FeatureList::IsEnabled(
safe_browsing::kCheckByURLLoaderThrottle))) {
auto* delegate = GetSafeBrowsingUrlCheckerDelegate(resource_context);
if (delegate && !delegate->ShouldSkipRequestCheck(
resource_context, request.url, frame_tree_node_id,
-1 /* render_process_id */, -1 /* render_frame_id */,
request.originated_from_service_worker)) {
auto safe_browsing_throttle =
safe_browsing::BrowserURLLoaderThrottle::MaybeCreate(delegate,
wc_getter);
if (safe_browsing_throttle)
result.push_back(std::move(safe_browsing_throttle));
}
}
}
#endif // defined(SAFE_BROWSING_DB_LOCAL) || defined(SAFE_BROWSING_DB_REMOTE)
if (chrome_navigation_ui_data &&
chrome_navigation_ui_data->prerender_mode() != prerender::NO_PRERENDER) {
result.push_back(std::make_unique<prerender::PrerenderURLLoaderThrottle>(
chrome_navigation_ui_data->prerender_mode(),
chrome_navigation_ui_data->prerender_histogram_prefix(),
base::BindOnce(GetPrerenderCanceller, wc_getter),
base::CreateSingleThreadTaskRunnerWithTraits({BrowserThread::UI})));
}
if (io_data) {
bool is_off_the_record = io_data->IsOffTheRecord();
bool is_signed_in =
!is_off_the_record &&
!io_data->google_services_account_id()->GetValue().empty();
chrome::mojom::DynamicParams dynamic_params = {
io_data->force_google_safesearch()->GetValue(),
io_data->force_youtube_restrict()->GetValue(),
io_data->allowed_domains_for_apps()->GetValue(),
variations::VariationsHttpHeaderProvider::GetInstance()
->GetClientDataHeader(is_signed_in)};
result.push_back(std::make_unique<GoogleURLLoaderThrottle>(
is_off_the_record, std::move(dynamic_params)));
if (network_service_enabled) {
result.push_back(std::make_unique<ProtocolHandlerThrottle>(
io_data->protocol_handler_registry_io_thread_delegate()));
}
}
#if BUILDFLAG(ENABLE_PLUGINS)
result.push_back(std::make_unique<PluginResponseInterceptorURLLoaderThrottle>(
resource_context, request.resource_type, frame_tree_node_id));
#endif
if (network_service_enabled) {
auto delegate = std::make_unique<signin::HeaderModificationDelegateImpl>(
resource_context);
auto signin_throttle = signin::URLLoaderThrottle::MaybeCreate(
std::move(delegate), navigation_ui_data, wc_getter);
if (signin_throttle)
result.push_back(std::move(signin_throttle));
}
return result;
}
void ChromeContentBrowserClient::RegisterNonNetworkNavigationURLLoaderFactories(
int frame_tree_node_id,
NonNetworkURLLoaderFactoryMap* factories) {
#if BUILDFLAG(ENABLE_EXTENSIONS) || defined(OS_CHROMEOS)
content::WebContents* web_contents =
content::WebContents::FromFrameTreeNodeId(frame_tree_node_id);
#if BUILDFLAG(ENABLE_EXTENSIONS)
factories->emplace(
extensions::kExtensionScheme,
extensions::CreateExtensionNavigationURLLoaderFactory(
web_contents->GetBrowserContext(),
!!extensions::WebViewGuest::FromWebContents(web_contents)));
#endif // BUILDFLAG(ENABLE_EXTENSIONS)
#if defined(OS_CHROMEOS)
Profile* profile =
Profile::FromBrowserContext(web_contents->GetBrowserContext());
factories->emplace(content::kExternalFileScheme,
std::make_unique<chromeos::ExternalFileURLLoaderFactory>(
profile, content::ChildProcessHost::kInvalidUniqueID));
#endif // defined(OS_CHROMEOS)
#endif // BUILDFLAG(ENABLE_EXTENSIONS) || defined(OS_CHROMEOS)
}
namespace {
// The FileURLLoaderFactory provided to the extension background pages.
// Checks with the ChildProcessSecurityPolicy to validate the file access.
class FileURLLoaderFactory : public network::mojom::URLLoaderFactory {
public:
explicit FileURLLoaderFactory(int child_id) : child_id_(child_id) {}
private:
// network::mojom::URLLoaderFactory:
void CreateLoaderAndStart(network::mojom::URLLoaderRequest loader,
int32_t routing_id,
int32_t request_id,
uint32_t options,
const network::ResourceRequest& request,
network::mojom::URLLoaderClientPtr client,
const net::MutableNetworkTrafficAnnotationTag&
traffic_annotation) override {
if (!content::ChildProcessSecurityPolicy::GetInstance()->CanRequestURL(
child_id_, request.url)) {
client->OnComplete(
network::URLLoaderCompletionStatus(net::ERR_ACCESS_DENIED));
return;
}
content::CreateFileURLLoader(request, std::move(loader), std::move(client),
/*observer=*/nullptr,
/* allow_directory_listing */ true);
}
void Clone(network::mojom::URLLoaderFactoryRequest loader) override {
bindings_.AddBinding(this, std::move(loader));
}
int child_id_;
mojo::BindingSet<network::mojom::URLLoaderFactory> bindings_;
DISALLOW_COPY_AND_ASSIGN(FileURLLoaderFactory);
};
} // namespace
void ChromeContentBrowserClient::
RegisterNonNetworkSubresourceURLLoaderFactories(
int render_process_id,
int render_frame_id,
NonNetworkURLLoaderFactoryMap* factories) {
#if defined(OS_CHROMEOS) || BUILDFLAG(ENABLE_EXTENSIONS)
content::RenderFrameHost* frame_host =
RenderFrameHost::FromID(render_process_id, render_frame_id);
WebContents* web_contents = WebContents::FromRenderFrameHost(frame_host);
#endif // defined(OS_CHROMEOS) || BUILDFLAG(ENABLE_EXTENSIONS)
#if defined(OS_CHROMEOS)
if (web_contents) {
Profile* profile =
Profile::FromBrowserContext(web_contents->GetBrowserContext());
factories->emplace(content::kExternalFileScheme,
std::make_unique<chromeos::ExternalFileURLLoaderFactory>(
profile, render_process_id));
}
#endif // defined(OS_CHROMEOS)
#if BUILDFLAG(ENABLE_EXTENSIONS)
auto factory = extensions::CreateExtensionURLLoaderFactory(render_process_id,
render_frame_id);
if (factory)
factories->emplace(extensions::kExtensionScheme, std::move(factory));
// 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 what's done by ShouldServiceRequestIOThread in
// local_ntp_source.cc.
if (instant_service->IsInstantProcess(render_process_id)) {
factories->emplace(
chrome::kChromeSearchScheme,
content::CreateWebUIURLLoader(
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::CreateWebUIURLLoader(frame_host, content::kChromeUIScheme,
std::move(allowed_webui_hosts)));
}
// Extension with a background page get file access that gets approval from
// ChildProcessSecurityPolicy.
extensions::ExtensionHost* host =
extensions::ProcessManager::Get(web_contents->GetBrowserContext())
->GetBackgroundHostForExtension(extension->id());
if (host) {
factories->emplace(url::kFileScheme, std::make_unique<FileURLLoaderFactory>(
render_process_id));
}
#endif // BUILDFLAG(ENABLE_EXTENSIONS)
}
bool ChromeContentBrowserClient::WillCreateURLLoaderFactory(
content::BrowserContext* browser_context,
content::RenderFrameHost* frame,
int render_process_id,
bool is_navigation,
bool is_download,
const url::Origin& request_initiator,
network::mojom::URLLoaderFactoryRequest* factory_request,
network::mojom::TrustedURLLoaderHeaderClientPtrInfo* header_client,
bool* bypass_redirect_checks) {
DCHECK(base::FeatureList::IsEnabled(network::features::kNetworkService));
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, is_navigation,
is_download, factory_request, 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, is_navigation, request_initiator, factory_request);
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)
if (base::FeatureList::IsEnabled(network::features::kNetworkService)) {
// NetworkService cases only.
interceptors.push_back(
std::make_unique<offline_pages::OfflinePageURLLoaderRequestInterceptor>(
navigation_ui_data, frame_tree_node_id));
}
#endif
// TODO(ryansturm): Once this is on the UI thread, stop passing
// |network_loader_factory| and have interceptors create one themselves.
// https://crbug.com/931786
if (base::FeatureList::IsEnabled(network::features::kNetworkService) &&
base::FeatureList::IsEnabled(
previews::features::kHTTPSServerPreviewsUsingURLLoader)) {
interceptors.push_back(
std::make_unique<previews::PreviewsLitePageURLLoaderInterceptor>(
network_loader_factory, frame_tree_node_id));
}
return interceptors;
}
void ChromeContentBrowserClient::WillCreateWebSocket(
content::RenderFrameHost* frame,
network::mojom::WebSocketRequest* request,
network::mojom::AuthenticationHandlerPtr* auth_handler,
network::mojom::TrustedHeaderClientPtr* header_client,
uint32_t* options) {
#if BUILDFLAG(ENABLE_EXTENSIONS)
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;
web_request_api->MaybeProxyWebSocket(frame, request, auth_handler,
header_client);
#endif
}
void ChromeContentBrowserClient::OnNetworkServiceCreated(
network::mojom::NetworkService* network_service) {
chrome::MaybeStartNoopService();
if (!base::FeatureList::IsEnabled(network::features::kNetworkService))
return;
PrefService* local_state;
if (g_browser_process) {
DCHECK(g_browser_process->local_state());
local_state = g_browser_process->local_state();
} else {
DCHECK(chrome_feature_list_creator_->local_state());
local_state = chrome_feature_list_creator_->local_state();
}
if (!data_use_measurement::ChromeDataUseMeasurement::GetInstance())
data_use_measurement::ChromeDataUseMeasurement::CreateInstance(local_state);
if (!SystemNetworkContextManager::GetInstance()) {
DCHECK(!g_browser_process);
SystemNetworkContextManager::CreateInstance(local_state);
}
// Need to set up global NetworkService state before anything else uses it.
SystemNetworkContextManager::GetInstance()->OnNetworkServiceCreated(
network_service);
}
network::mojom::NetworkContextPtr
ChromeContentBrowserClient::CreateNetworkContext(
content::BrowserContext* context,
bool in_memory,
const base::FilePath& relative_partition_path) {
Profile* profile = Profile::FromBrowserContext(context);
return profile->CreateNetworkContext(in_memory, relative_partition_path);
}
std::vector<base::FilePath>
ChromeContentBrowserClient::GetNetworkContextsParentDirectory() {
base::FilePath user_data_dir;
base::PathService::Get(chrome::DIR_USER_DATA, &user_data_dir);
DCHECK(!user_data_dir.empty());
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))
return {user_data_dir};
return {user_data_dir, cache_dir};
}
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::InterfaceRequest<blink::mojom::WebUsbService> request) {
if (!base::FeatureList::IsEnabled(features::kWebUsb))
return;
WebContents* web_contents =
WebContents::FromRenderFrameHost(render_frame_host);
if (!web_contents) {
NOTREACHED();
return;
}
UsbTabHelper* tab_helper =
UsbTabHelper::GetOrCreateForWebContents(web_contents);
tab_helper->CreateWebUsbService(render_frame_host, std::move(request));
}
#if !defined(OS_ANDROID)
content::SerialDelegate* ChromeContentBrowserClient::GetSerialDelegate() {
if (!serial_delegate_)
serial_delegate_ = std::make_unique<ChromeSerialDelegate>();
return serial_delegate_.get();
}
#endif
std::unique_ptr<content::AuthenticatorRequestClientDelegate>
ChromeContentBrowserClient::GetWebAuthenticationRequestDelegate(
content::RenderFrameHost* render_frame_host,
const std::string& relying_party_id) {
return AuthenticatorRequestScheduler::CreateRequestDelegate(render_frame_host,
relying_party_id);
}
#if defined(OS_MACOSX)
bool ChromeContentBrowserClient::
IsWebAuthenticationTouchIdAuthenticatorSupported() {
return true;
}
#endif
std::unique_ptr<net::ClientCertStore>
ChromeContentBrowserClient::CreateClientCertStore(
content::ResourceContext* resource_context) {
if (!resource_context)
return nullptr;
return ProfileIOData::FromResourceContext(resource_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) {
return CreateLoginPrompt(
auth_info, web_contents, request_id, is_request_for_main_frame, url,
std::move(response_headers), std::move(auth_required_callback));
}
bool ChromeContentBrowserClient::HandleExternalProtocol(
const GURL& url,
content::ResourceRequestInfo::WebContentsGetter web_contents_getter,
int child_id,
content::NavigationUIData* navigation_data,
bool is_main_frame,
ui::PageTransition page_transition,
bool has_user_gesture,
const std::string& method,
const net::HttpRequestHeaders& headers,
network::mojom::URLLoaderFactoryRequest* factory_request,
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)
base::PostTaskWithTraits(FROM_HERE, {BrowserThread::UI},
base::BindOnce(&LaunchURL, url, web_contents_getter,
page_transition, has_user_gesture));
return true;
}
std::unique_ptr<content::OverlayWindow>
ChromeContentBrowserClient::CreateWindowForPictureInPicture(
content::PictureInPictureWindowController* controller) {
#if defined(OS_WIN) || defined(OS_MACOSX) || defined(OS_LINUX) || \
defined(OS_CHROMEOS)
// 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);
#else
return nullptr;
#endif
}
bool ChromeContentBrowserClient::IsSafeRedirectTarget(
const GURL& url,
content::ResourceContext* context) {
#if BUILDFLAG(ENABLE_EXTENSIONS)
if (url.SchemeIs(extensions::kExtensionScheme)) {
ProfileIOData* io_data = ProfileIOData::FromResourceContext(context);
const Extension* extension =
io_data->GetExtensionInfoMap()->extensions().GetByID(url.host());
if (!extension)
return false;
return extensions::WebAccessibleResourcesInfo::IsResourceWebAccessible(
extension, url.path());
}
#endif // BUILDFLAG(ENABLE_EXTENSIONS)
return true;
}
void ChromeContentBrowserClient::RegisterRendererPreferenceWatcher(
content::BrowserContext* browser_context,
blink::mojom::RendererPreferenceWatcherPtr 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) {
// Rewrite chrome://help and chrome://chrome to chrome://settings/help.
if (url->SchemeIs(content::kChromeUIScheme) &&
(url->host() == chrome::kChromeUIHelpHost ||
(url->host() == chrome::kChromeUIUberHost &&
(url->path().empty() || url->path() == "/")))) {
*url = ReplaceURLHostAndPath(*url, chrome::kChromeUISettingsHost,
chrome::kChromeUIHelpHost);
return true; // Return true to update the displayed URL.
}
if (!ChromeWebUIControllerFactory::GetInstance()->UseWebUIForURL(
browser_context, *url)) {
return false;
}
#if defined(OS_CHROMEOS)
// 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);
}
}
#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; reverse URL handler for Web UI. Maps "chrome://chrome/foo/" to
// "chrome://foo/".
bool ChromeContentBrowserClient::HandleWebUIReverse(
GURL* url,
content::BrowserContext* browser_context) {
// 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;
}
// static
void ChromeContentBrowserClient::SetDefaultQuotaSettingsForTesting(
const storage::QuotaSettings* settings) {
g_default_quota_settings = settings;
}
safe_browsing::UrlCheckerDelegate*
ChromeContentBrowserClient::GetSafeBrowsingUrlCheckerDelegate(
content::ResourceContext* resource_context) {
DCHECK_CURRENTLY_ON(BrowserThread::IO);
ProfileIOData* io_data = ProfileIOData::FromResourceContext(resource_context);
if (!io_data->safe_browsing_enabled()->GetValue())
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());
}
return safe_browsing_url_checker_delegate_.get();
}
base::Optional<std::string>
ChromeContentBrowserClient::GetOriginPolicyErrorPage(
content::OriginPolicyErrorReason error_reason,
content::NavigationHandle* handle) {
return security_interstitials::OriginPolicyUI::GetErrorPageAsHTML(
error_reason, handle);
}
bool ChromeContentBrowserClient::CanIgnoreCertificateErrorIfNeeded() {
// 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(
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);
}
}
content::PreviewsState ChromeContentBrowserClient::DetermineAllowedPreviews(
content::PreviewsState initial_state,
content::NavigationHandle* navigation_handle,
const GURL& current_navigation_url) {
DCHECK_CURRENTLY_ON(content::BrowserThread::UI);
DCHECK(!navigation_handle->HasCommitted());
// If this is not a main frame, return the initial state. If there are no
// previews in the state, return the state as is.
if (!navigation_handle->IsInMainFrame() ||
navigation_handle->IsSameDocument()) {
return initial_state;
}
if (!current_navigation_url.SchemeIsHTTPOrHTTPS())
return content::PREVIEWS_OFF;
// Do not allow previews on POST navigations since the primary opt-out
// mechanism is to reload the page. Because POST navigations are not
// idempotent, we do not want to show a preview on a POST navigation where
// opting out would cause another navigation, i.e.: a reload.
if (navigation_handle->IsPost())
return content::PREVIEWS_OFF;
content::WebContents* web_contents = navigation_handle->GetWebContents();
content::WebContentsDelegate* delegate = web_contents->GetDelegate();
auto* browser_context = web_contents->GetBrowserContext();
PreviewsService* previews_service = PreviewsServiceFactory::GetForProfile(
Profile::FromBrowserContext(browser_context));
auto* data_reduction_proxy_settings =
DataReductionProxyChromeSettingsFactory::GetForBrowserContext(
browser_context);
// If the profile does not support previews or Data Saver, do not turn on
// Previews.
if (!previews_service || !previews_service->previews_ui_service() ||
!data_reduction_proxy_settings) {
return content::PREVIEWS_OFF;
}
PreviewsUITabHelper* ui_tab_helper =
PreviewsUITabHelper::FromWebContents(web_contents);
// If this tab does not have a PreviewsUITabHelper, no preview should be
// served.
if (!ui_tab_helper)
return content::PREVIEWS_OFF;
DCHECK(!browser_context->IsOffTheRecord());
// Other previews objects should all exist and be initialized if we have made
// it past earlier checks.
previews::PreviewsDeciderImpl* previews_decider_impl =
previews_service->previews_ui_service()->previews_decider_impl();
DCHECK(previews_decider_impl);
// Start with an unspecified state.
content::PreviewsState previews_state = content::PREVIEWS_UNSPECIFIED;
previews::PreviewsUserData* previews_data =
ui_tab_helper->GetPreviewsUserData(navigation_handle);
// Certain PreviewsStates are used within URLLoaders (Offline, server
// previews) and cannot re-evaluate PreviewsState during a redirect, so they
// should not change. Assume this is a redirect when PreviewsUserData already
// exists and a Lite Page Redirect preview is not being attempted, since it
// may also create a previews_data before this point.
bool is_redirect = false;
if (previews_data) {
is_redirect = !previews_data->server_lite_page_info();
} else {
previews_data = ui_tab_helper->CreatePreviewsUserDataForNavigationHandle(
navigation_handle, previews_decider_impl->GeneratePageId());
}
DCHECK(previews_data);
bool is_reload =
navigation_handle->GetReloadType() != content::ReloadType::NONE;
content::PreviewsState server_previews_enabled_state =
content::SERVER_LOFI_ON | content::SERVER_LITE_PAGE_ON;
// For now, treat server previews types as a single decision, and do not
// re-evaluate upon redirect. Plumbing does not exist to modify the CPAT
// header, nor does the plumbing exist to modify the PreviewsState within the
// URLLoader.
if (is_redirect) {
// Copy the server state that was used before the redirect for the initial
// URL.
previews_state |= (previews_data->allowed_previews_state() &
server_previews_enabled_state);
} else {
if (previews_decider_impl->ShouldAllowPreviewAtNavigationStart(
previews_data, current_navigation_url, is_reload,
previews::PreviewsType::LITE_PAGE)) {
previews_state |= server_previews_enabled_state;
}
}
// Evaluate client LoFi, Offline, NoScript, and ResourceBlocking previews.
previews_state |= previews::DetermineAllowedClientPreviewsState(
previews_data, current_navigation_url, is_reload, is_redirect,
data_reduction_proxy_settings->IsDataReductionProxyEnabled(),
previews_decider_impl, navigation_handle);
if (previews_state & content::PREVIEWS_OFF) {
previews_data->set_allowed_previews_state(content::PREVIEWS_OFF);
return content::PREVIEWS_OFF;
}
if (previews_state & content::PREVIEWS_NO_TRANSFORM) {
previews_data->set_allowed_previews_state(content::PREVIEWS_NO_TRANSFORM);
return content::PREVIEWS_NO_TRANSFORM;
}
// At this point, if no Preview is allowed, don't allow previews.
if (previews_state == content::PREVIEWS_UNSPECIFIED) {
previews_data->set_allowed_previews_state(content::PREVIEWS_OFF);
return content::PREVIEWS_OFF;
}
content::PreviewsState embedder_state = content::PREVIEWS_UNSPECIFIED;
if (delegate) {
delegate->AdjustPreviewsStateForNavigation(web_contents, &embedder_state);
}
// If the allowed previews are limited by the embedder, ensure previews honors
// those limits.
if (embedder_state != content::PREVIEWS_UNSPECIFIED) {
previews_state = previews_state & embedder_state;
// If no valid previews are left, set the state explicitly to PREVIEWS_OFF.
if (previews_state == content::PREVIEWS_UNSPECIFIED)
previews_state = content::PREVIEWS_OFF;
}
previews_data->set_allowed_previews_state(previews_state);
return previews_state;
}
// static
content::PreviewsState
ChromeContentBrowserClient::DetermineCommittedPreviewsForURL(
const GURL& url,
data_reduction_proxy::DataReductionProxyData* drp_data,
previews::PreviewsUserData* previews_user_data,
const previews::PreviewsDecider* previews_decider,
content::PreviewsState initial_state,
content::NavigationHandle* navigation_handle) {
DCHECK_CURRENTLY_ON(content::BrowserThread::UI);
if (!previews::HasEnabledPreviews(initial_state))
return content::PREVIEWS_OFF;
// Check if the server sent a preview directive.
content::PreviewsState previews_state =
data_reduction_proxy::ContentLoFiDecider::
DetermineCommittedServerPreviewsState(drp_data, initial_state);
// Check the various other client previews types.
return previews::DetermineCommittedClientPreviewsState(
previews_user_data, url, previews_state, previews_decider,
navigation_handle);
}
content::PreviewsState ChromeContentBrowserClient::DetermineCommittedPreviews(
content::PreviewsState initial_state,
content::NavigationHandle* navigation_handle,
const net::HttpResponseHeaders* response_headers) {
DCHECK_CURRENTLY_ON(content::BrowserThread::UI);
// Only support HTTP and HTTPS.
if (navigation_handle->IsErrorPage() ||
!navigation_handle->GetURL().SchemeIsHTTPOrHTTPS()) {
return content::PREVIEWS_OFF;
}
// If this is not a main frame, return the initial state. If there are no
// previews in the state, return the state as is.
if (!previews::HasEnabledPreviews(initial_state) ||
!navigation_handle->IsInMainFrame() ||
navigation_handle->IsSameDocument()) {
return initial_state;
}
// WebContents that don't have a PreviewsUITabHelper are not supported.
PreviewsUITabHelper* ui_tab_helper =
PreviewsUITabHelper::FromWebContents(navigation_handle->GetWebContents());
if (!ui_tab_helper)
return content::PREVIEWS_OFF;
// If we did not previously create a PreviewsUserData, do not go any further.
previews::PreviewsUserData* previews_user_data =
ui_tab_helper->GetPreviewsUserData(navigation_handle);
if (!previews_user_data)
return content::PREVIEWS_OFF;
PreviewsService* previews_service =
PreviewsServiceFactory::GetForProfile(Profile::FromBrowserContext(
navigation_handle->GetWebContents()->GetBrowserContext()));
if (!previews_service || !previews_service->previews_ui_service())
return content::PREVIEWS_OFF;
// Check if offline previews are being used and set it in the user data.
#if BUILDFLAG(ENABLE_OFFLINE_PAGES)
offline_pages::OfflinePageTabHelper* tab_helper =
offline_pages::OfflinePageTabHelper::FromWebContents(
navigation_handle->GetWebContents());
bool is_offline_page = tab_helper && tab_helper->IsLoadingOfflinePage();
bool is_offline_preview = tab_helper && tab_helper->GetOfflinePreviewItem();
// If this is an offline page, but not a preview, then we should not attempt
// any previews or surface the previews UI.
if (is_offline_page && !is_offline_preview)
return content::PREVIEWS_OFF;
previews_user_data->set_offline_preview_used(is_offline_preview);
#endif // BUILDFLAG(ENABLE_OFFLINE_PAGES)
// Annotate request if no-transform directive found in response headers.
if (response_headers &&
response_headers->HasHeaderValue("cache-control", "no-transform")) {
previews_user_data->set_cache_control_no_transform_directive();
}
previews::PreviewsDeciderImpl* previews_decider_impl =
previews_service->previews_ui_service()->previews_decider_impl();
DCHECK(previews_decider_impl);
std::unique_ptr<data_reduction_proxy::DataReductionProxyData> drp_data;
auto* settings =
DataReductionProxyChromeSettingsFactory::GetForBrowserContext(
navigation_handle->GetWebContents()->GetBrowserContext());
if (settings) {
// TODO(898326): |drp_data| may be incomplete because |navigation_handle|
// does not yet have all the response information.
drp_data = settings->CreateDataFromNavigationHandle(navigation_handle,
response_headers);
}
// Determine effective PreviewsState for this committed main frame response.
content::PreviewsState committed_state = DetermineCommittedPreviewsForURL(
navigation_handle->GetURL(), drp_data.get(), previews_user_data,
previews_decider_impl, initial_state, navigation_handle);
// Double check that we never serve a preview when we have a
// cache-control:no-transform directive.
DCHECK(!previews_user_data->cache_control_no_transform_directive() ||
!previews::HasEnabledPreviews(committed_state));
previews_user_data->set_committed_previews_state(committed_state);
previews::PreviewsType committed_type =
previews::GetMainFramePreviewsType(committed_state);
// Capture committed previews type, if any, in PreviewsUserData.
// Note: this is for the subset of previews types that are decided upon
// navigation commit. Previews types that are determined prior to
// navigation (such as for offline pages or for redirecting to another
// url), are not set here.
previews_user_data->SetCommittedPreviewsType(committed_type);
// Log the commit decision.
std::vector<previews::PreviewsEligibilityReason> passed_reasons;
previews_decider_impl->LogPreviewDecisionMade(
(previews_user_data->cache_control_no_transform_directive()
? previews::PreviewsEligibilityReason::CACHE_CONTROL_NO_TRANSFORM
: previews::PreviewsEligibilityReason::COMMITTED),
navigation_handle->GetURL(), base::Time::Now(),
previews_user_data->committed_previews_type(), std::move(passed_reasons),
previews_user_data->page_id());
return committed_state;
}
void ChromeContentBrowserClient::LogWebFeatureForCurrentPage(
content::RenderFrameHost* render_frame_host,
blink::mojom::WebFeature feature) {
DCHECK_CURRENTLY_ON(BrowserThread::UI);
page_load_metrics::mojom::PageLoadFeatures new_features({feature}, {}, {});
page_load_metrics::MetricsWebContentsObserver::RecordFeatureUsage(
render_frame_host, new_features);
}
std::string ChromeContentBrowserClient::GetProduct() const {
return ::GetProduct();
}
std::string ChromeContentBrowserClient::GetUserAgent() const {
return ::GetUserAgent();
}
blink::UserAgentMetadata ChromeContentBrowserClient::GetUserAgentMetadata()
const {
return ::GetUserAgentMetadata();
}
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::IsRendererDebugURLBlacklisted(
const GURL& url,
content::BrowserContext* context) {
PolicyBlacklistService* service =
PolicyBlacklistFactory::GetForBrowserContext(context);
using URLBlacklistState = policy::URLBlacklist::URLBlacklistState;
URLBlacklistState blacklist_state = service->GetURLBlacklistState(url);
return blacklist_state == URLBlacklistState::URL_IN_BLACKLIST;
}
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() const {
if (features::UseDisplayWideColorGamut()) {
return WideColorGamutHeuristic::kUseDisplay;
}
return WideColorGamutHeuristic::kNone;
}
#endif
base::flat_set<std::string>
ChromeContentBrowserClient::GetMimeHandlerViewMimeTypes(
content::ResourceContext* resource_context) {
base::flat_set<std::string> mime_types;
#if BUILDFLAG(ENABLE_PLUGINS)
auto map = PluginUtils::GetMimeTypeToExtensionIdMap(resource_context);
for (const auto& pair : map)
mime_types.insert(pair.first);
#endif
return mime_types;
}