chrome/browser/ui/startup/bad_flags_prompt.cc

   1 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
   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/ui/startup/bad_flags_prompt.h"
   6
   7 #include "base/command_line.h"
   8 #include "base/files/file_path.h"
   9 #include "base/strings/utf_string_conversions.h"
  10 #include "chrome/browser/infobars/infobar_service.h"
  11 #include "chrome/browser/ui/browser.h"
  12 #include "chrome/browser/ui/simple_message_box.h"
  13 #include "chrome/browser/ui/tabs/tab_strip_model.h"
  14 #include "chrome/common/chrome_paths.h"
  15 #include "chrome/common/chrome_switches.h"
  16 #include "chrome/common/switch_utils.h"
  17 #include "chrome/grit/chromium_strings.h"
  18 #include "chrome/grit/generated_resources.h"
  19 #include "components/infobars/core/simple_alert_infobar_delegate.h"
  20 #include "components/invalidation/impl/invalidation_switches.h"
  21 #include "components/nacl/common/nacl_switches.h"
  22 #include "components/startup_metric_utils/startup_metric_utils.h"
  23 #include "components/translate/core/common/translate_switches.h"
  24 #include "content/public/common/content_switches.h"
  25 #include "extensions/common/switches.h"
  26 #include "google_apis/gaia/gaia_switches.h"
  27 #include "ui/base/l10n/l10n_util.h"
  28 #include "ui/base/resource/resource_bundle.h"
  29
  30 namespace chrome {
  31
  32 void ShowBadFlagsPrompt(Browser* browser) {
  33   content::WebContents* web_contents =
  34       browser->tab_strip_model()->GetActiveWebContents();
  35   if (!web_contents)
  36     return;
  37
  38   // Unsupported flags for which to display a warning that "stability and
  39   // security will suffer".
  40   static const char* kBadFlags[] = {
  41     // These flags disable sandbox-related security.
  42     switches::kDisableGpuSandbox,
  43     switches::kDisableSeccompFilterSandbox,
  44     switches::kDisableSetuidSandbox,
  45     switches::kDisableWebSecurity,
  46 #if !defined(DISABLE_NACL)
  47     switches::kNaClDangerousNoSandboxNonSfi,
  48 #endif
  49     switches::kNoSandbox,
  50     switches::kSingleProcess,
  51
  52     // These flags disable or undermine the Same Origin Policy.
  53     switches::kTrustedSpdyProxy,
  54     translate::switches::kTranslateSecurityOrigin,
  55
  56     // These flags undermine HTTPS / connection security.
  57 #if defined(ENABLE_WEBRTC)
  58     switches::kDisableWebRtcEncryption,
  59 #endif
  60     switches::kIgnoreCertificateErrors,
  61     switches::kReduceSecurityForTesting,
  62     invalidation::switches::kSyncAllowInsecureXmppConnection,
  63
  64     // These flags change the URLs that handle PII.
  65     autofill::switches::kWalletSecureServiceUrl,
  66     switches::kGaiaUrl,
  67     translate::switches::kTranslateScriptURL,
  68
  69     // This flag gives extensions more powers.
  70     extensions::switches::kExtensionsOnChromeURLs,
  71
  72 #if defined(OS_LINUX) && !defined(OS_CHROMEOS)
  73     // Speech dispatcher is buggy, it can crash and it can make Chrome freeze.
  74     // http://crbug.com/327295
  75     switches::kEnableSpeechDispatcher,
  76 #endif
  77
  78     // These flags control Blink feature state, which is not supported and is
  79     // intended only for use by Chromium developers.
  80     switches::kDisableBlinkFeatures,
  81     switches::kEnableBlinkFeatures,
  82
  83     // This flag allows people to whitelist certain origins as secure, even
  84     // if they are not.
  85     switches::kUnsafelyTreatInsecureOriginAsSecure,
  86
  87     // This flag enables Web Bluetooth. Since the UI for Web Bluetooth is
  88     // not yet implemented, websites could take control over paired devices
  89     // without the users knowledge, so we need to show a warning for when
  90     // the flag is enabled.
  91     switches::kEnableWebBluetooth,
  92
  93     // This flag bypasses the permission UI for WebUSB as it not yet
  94     // implemented. The risk is minimal because a device still needs to
  95     // whitelist the requesting origin, but since this means the site can take
  96     // action without the user's knowledge we need to show a warning when the
  97     // flag is enabled.
  98     switches::kEnableWebUsbOnAnyOrigin,
  99
 100     NULL
 101   };
 102
 103   for (const char** flag = kBadFlags; *flag; ++flag) {
 104     if (base::CommandLine::ForCurrentProcess()->HasSwitch(*flag)) {
 105       SimpleAlertInfoBarDelegate::Create(
 106           InfoBarService::FromWebContents(web_contents),
 107           infobars::InfoBarDelegate::kNoIconID,
 108           l10n_util::GetStringFUTF16(IDS_BAD_FLAGS_WARNING_MESSAGE,
 109                                      base::UTF8ToUTF16(
 110                                          std::string("--") + *flag)),
 111           false);
 112       return;
 113     }
 114   }
 115 }
 116
 117 void MaybeShowInvalidUserDataDirWarningDialog() {
 118   const base::FilePath& user_data_dir = GetInvalidSpecifiedUserDataDir();
 119   if (user_data_dir.empty())
 120     return;
 121
 122   startup_metric_utils::SetNonBrowserUIDisplayed();
 123
 124   // Ensure the ResourceBundle is initialized for string resource access.
 125   bool cleanup_resource_bundle = false;
 126   if (!ResourceBundle::HasSharedInstance()) {
 127     cleanup_resource_bundle = true;
 128     std::string locale = l10n_util::GetApplicationLocale(std::string());
 129     const char kUserDataDirDialogFallbackLocale[] = "en-US";
 130     if (locale.empty())
 131       locale = kUserDataDirDialogFallbackLocale;
 132     ui::ResourceBundle::InitSharedInstanceWithLocale(
 133         locale, NULL, ui::ResourceBundle::LOAD_COMMON_RESOURCES);
 134   }
 135
 136   const base::string16& title =
 137       l10n_util::GetStringUTF16(IDS_CANT_WRITE_USER_DIRECTORY_TITLE);
 138   const base::string16& message =
 139       l10n_util::GetStringFUTF16(IDS_CANT_WRITE_USER_DIRECTORY_SUMMARY,
 140                                  user_data_dir.LossyDisplayName());
 141
 142   if (cleanup_resource_bundle)
 143     ResourceBundle::CleanupSharedInstance();
 144
 145   // More complex dialogs cannot be shown before the earliest calls here.
 146   ShowMessageBox(NULL, title, message, chrome::MESSAGE_BOX_TYPE_WARNING);
 147 }
 148
 149 }  // namespace chrome