chrome/browser/renderer_preferences_util.cc

   1 // Copyright 2012 The Chromium Authors
   2 // Use of this source code is governed by a BSD-style license that can be
   3 // found in the LICENSE file.
   4
   5 #include "chrome/browser/renderer_preferences_util.h"
   6
   7 #include <stdint.h>
   8
   9 #include <string>
  10 #include <vector>
  11
  12 #include "base/strings/string_number_conversions.h"
  13 #include "base/strings/string_util.h"
  14 #include "build/build_config.h"
  15 #include "build/chromeos_buildflags.h"
  16 #include "chrome/browser/browser_process.h"
  17 #include "chrome/browser/net/convert_explicitly_allowed_network_ports_pref.h"
  18 #include "chrome/browser/privacy_sandbox/tracking_protection_settings_factory.h"
  19 #if BUILDFLAG(IS_CHROMEOS_ASH)
  20 #include "chrome/browser/ash/login/demo_mode/demo_session.h"
  21 #endif
  22 #include "chrome/browser/profiles/profile.h"
  23 #include "chrome/common/pref_names.h"
  24 #include "components/language/core/browser/language_prefs.h"
  25 #include "components/language/core/browser/pref_names.h"
  26 #include "components/prefs/pref_service.h"
  27 #include "components/privacy_sandbox/tracking_protection_settings.h"
  28 #include "content/public/browser/browser_accessibility_state.h"
  29 #include "content/public/browser/renderer_preferences_util.h"
  30 #include "media/media_buildflags.h"
  31 #include "third_party/blink/public/common/peerconnection/webrtc_ip_handling_policy.h"
  32 #include "third_party/blink/public/common/renderer_preferences/renderer_preferences.h"
  33 #include "third_party/blink/public/public_buildflags.h"
  34 #include "third_party/skia/include/core/SkColor.h"
  35 #include "ui/base/ui_base_features.h"
  36
  37 #if defined(TOOLKIT_VIEWS)
  38 #include "ui/views/controls/textfield/textfield.h"
  39 #endif
  40
  41 #if defined(USE_AURA) && BUILDFLAG(IS_LINUX)
  42 #include "chrome/browser/themes/theme_service.h"
  43 #include "chrome/browser/themes/theme_service_factory.h"
  44 #include "ui/linux/linux_ui.h"
  45 #endif
  46
  47 namespace {
  48
  49 // Parses a string |range| with a port range in the form "<min>-<max>".
  50 // If |range| is not in the correct format or contains an invalid range, zero
  51 // is written to |min_port| and |max_port|.
  52 // TODO(guidou): Consider replacing with remoting/protocol/port_range.cc
  53 void ParsePortRange(const std::string& range,
  54                     uint16_t* min_port,
  55                     uint16_t* max_port) {
  56   *min_port = 0;
  57   *max_port = 0;
  58
  59   if (range.empty())
  60     return;
  61
  62   size_t separator_index = range.find('-');
  63   if (separator_index == std::string::npos)
  64     return;
  65
  66   std::string min_port_string, max_port_string;
  67   base::TrimWhitespaceASCII(range.substr(0, separator_index), base::TRIM_ALL,
  68                             &min_port_string);
  69   base::TrimWhitespaceASCII(range.substr(separator_index + 1), base::TRIM_ALL,
  70                             &max_port_string);
  71   unsigned min_port_uint, max_port_uint;
  72   if (!base::StringToUint(min_port_string, &min_port_uint) ||
  73       !base::StringToUint(max_port_string, &max_port_uint)) {
  74     return;
  75   }
  76   if (min_port_uint == 0 || min_port_uint > max_port_uint ||
  77       max_port_uint > UINT16_MAX) {
  78     return;
  79   }
  80
  81   *min_port = static_cast<uint16_t>(min_port_uint);
  82   *max_port = static_cast<uint16_t>(max_port_uint);
  83 }
  84
  85 // Extracts the string representation of URLs allowed for local IP exposure.
  86 std::vector<std::string> GetLocalIpsAllowedUrls(
  87     const base::Value::List& allowed_urls) {
  88   std::vector<std::string> ret;
  89   for (const auto& url : allowed_urls)
  90     ret.push_back(url.GetString());
  91   return ret;
  92 }
  93
  94 std::string GetLanguageListForProfile(Profile* profile,
  95                                       const std::string& language_list) {
  96   if (profile->IsOffTheRecord()) {
  97     // In incognito mode return only the first language.
  98     return language::GetFirstLanguage(language_list);
  99   }
 100   return language_list;
 101 }
 102
 103 }  // namespace
 104
 105 namespace renderer_preferences_util {
 106
 107 void UpdateFromSystemSettings(blink::RendererPreferences* prefs,
 108                               Profile* profile) {
 109   const PrefService* pref_service = profile->GetPrefs();
 110   prefs->accept_languages = GetLanguageListForProfile(
 111       profile, pref_service->GetString(language::prefs::kAcceptLanguages));
 112   prefs->enable_referrers = pref_service->GetBoolean(prefs::kEnableReferrers);
 113   prefs->enable_do_not_track =
 114       TrackingProtectionSettingsFactory::GetForProfile(profile)
 115           ->IsDoNotTrackEnabled();
 116   prefs->enable_encrypted_media =
 117       pref_service->GetBoolean(prefs::kEnableEncryptedMedia);
 118   prefs->webrtc_ip_handling_policy = std::string();
 119 #if !BUILDFLAG(IS_ANDROID)
 120   prefs->caret_browsing_enabled =
 121       pref_service->GetBoolean(prefs::kCaretBrowsingEnabled);
 122   content::BrowserAccessibilityState::GetInstance()->SetCaretBrowsingState(
 123       prefs->caret_browsing_enabled);
 124 #endif
 125
 126   if (prefs->webrtc_ip_handling_policy.empty()) {
 127     prefs->webrtc_ip_handling_policy =
 128         pref_service->GetString(prefs::kWebRTCIPHandlingPolicy);
 129   }
 130   std::string webrtc_udp_port_range =
 131       pref_service->GetString(prefs::kWebRTCUDPPortRange);
 132   ParsePortRange(webrtc_udp_port_range, &prefs->webrtc_udp_min_port,
 133                  &prefs->webrtc_udp_max_port);
 134
 135   const base::Value::List& allowed_urls =
 136       pref_service->GetList(prefs::kWebRtcLocalIpsAllowedUrls);
 137   prefs->webrtc_local_ips_allowed_urls = GetLocalIpsAllowedUrls(allowed_urls);
 138   prefs->webrtc_allow_legacy_tls_protocols =
 139       pref_service->GetBoolean(prefs::kWebRTCAllowLegacyTLSProtocols);
 140 #if defined(USE_AURA)
 141   prefs->focus_ring_color = SkColorSetRGB(0x4D, 0x90, 0xFE);
 142 #if BUILDFLAG(IS_CHROMEOS)
 143   // This color is 0x544d90fe modulated with 0xffffff.
 144   prefs->active_selection_bg_color = SkColorSetRGB(0xCB, 0xE4, 0xFA);
 145   prefs->active_selection_fg_color = SK_ColorBLACK;
 146   prefs->inactive_selection_bg_color = SkColorSetRGB(0xEA, 0xEA, 0xEA);
 147   prefs->inactive_selection_fg_color = SK_ColorBLACK;
 148 #endif
 149 #endif
 150
 151 #if defined(TOOLKIT_VIEWS)
 152   prefs->caret_blink_interval = views::Textfield::GetCaretBlinkInterval();
 153 #endif
 154
 155 #if defined(USE_AURA) && BUILDFLAG(IS_LINUX)
 156   auto* linux_ui_theme = ui::LinuxUiTheme::GetForProfile(profile);
 157   if (linux_ui_theme) {
 158     if (ThemeServiceFactory::GetForProfile(profile)->UsingSystemTheme()) {
 159       linux_ui_theme->GetFocusRingColor(&prefs->focus_ring_color);
 160       linux_ui_theme->GetActiveSelectionBgColor(
 161           &prefs->active_selection_bg_color);
 162       linux_ui_theme->GetActiveSelectionFgColor(
 163           &prefs->active_selection_fg_color);
 164       linux_ui_theme->GetInactiveSelectionBgColor(
 165           &prefs->inactive_selection_bg_color);
 166       linux_ui_theme->GetInactiveSelectionFgColor(
 167           &prefs->inactive_selection_fg_color);
 168     }
 169   }
 170
 171     // If we have a linux_ui object, set the caret blink interval regardless of
 172     // whether we're in native theme mode.
 173   if (auto* linux_ui = ui::LinuxUi::instance())
 174     prefs->caret_blink_interval = linux_ui->GetCursorBlinkInterval();
 175 #endif
 176
 177 #if BUILDFLAG(IS_LINUX) || BUILDFLAG(IS_CHROMEOS) || BUILDFLAG(IS_ANDROID) || \
 178     BUILDFLAG(IS_WIN)
 179   content::UpdateFontRendererPreferencesFromSystemSettings(prefs);
 180 #endif
 181
 182 #if !BUILDFLAG(IS_MAC)
 183   prefs->plugin_fullscreen_allowed =
 184       pref_service->GetBoolean(prefs::kFullscreenAllowed);
 185 #endif
 186
 187   PrefService* local_state = g_browser_process->local_state();
 188   if (local_state) {
 189     prefs->allow_cross_origin_auth_prompt =
 190         local_state->GetBoolean(prefs::kAllowCrossOriginAuthPrompt);
 191
 192     prefs->explicitly_allowed_network_ports =
 193         ConvertExplicitlyAllowedNetworkPortsPref(local_state);
 194   }
 195
 196 #if BUILDFLAG(IS_MAC)
 197   prefs->focus_ring_color = SkColorSetRGB(0x00, 0x5F, 0xCC);
 198 #else
 199   prefs->focus_ring_color = SkColorSetRGB(0x10, 0x10, 0x10);
 200 #endif
 201 }
 202
 203 }  // namespace renderer_preferences_util