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      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/infobars/simple_alert_infobar_delegate.h"
     12 #include "chrome/browser/ui/browser.h"
     13 #include "chrome/browser/ui/simple_message_box.h"
     14 #include "chrome/browser/ui/tabs/tab_strip_model.h"
     15 #include "chrome/common/chrome_paths.h"
     16 #include "chrome/common/chrome_switches.h"
     17 #include "chrome/common/switch_utils.h"
     18 #include "chrome/grit/chromium_strings.h"
     19 #include "chrome/grit/generated_resources.h"
     20 #include "components/invalidation/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     NULL
     78   };
     79 
     80   for (const char** flag = kBadFlags; *flag; ++flag) {
     81     if (CommandLine::ForCurrentProcess()->HasSwitch(*flag)) {
     82       SimpleAlertInfoBarDelegate::Create(
     83           InfoBarService::FromWebContents(web_contents),
     84           infobars::InfoBarDelegate::kNoIconID,
     85           l10n_util::GetStringFUTF16(IDS_BAD_FLAGS_WARNING_MESSAGE,
     86                                      base::UTF8ToUTF16(
     87                                          std::string("--") + *flag)),
     88           false);
     89       return;
     90     }
     91   }
     92 }
     93 
     94 void MaybeShowInvalidUserDataDirWarningDialog() {
     95   const base::FilePath& user_data_dir = GetInvalidSpecifiedUserDataDir();
     96   if (user_data_dir.empty())
     97     return;
     98 
     99   startup_metric_utils::SetNonBrowserUIDisplayed();
    100 
    101   // Ensure the ResourceBundle is initialized for string resource access.
    102   bool cleanup_resource_bundle = false;
    103   if (!ResourceBundle::HasSharedInstance()) {
    104     cleanup_resource_bundle = true;
    105     std::string locale = l10n_util::GetApplicationLocale(std::string());
    106     const char kUserDataDirDialogFallbackLocale[] = "en-US";
    107     if (locale.empty())
    108       locale = kUserDataDirDialogFallbackLocale;
    109     ui::ResourceBundle::InitSharedInstanceWithLocale(
    110         locale, NULL, ui::ResourceBundle::LOAD_COMMON_RESOURCES);
    111   }
    112 
    113   const base::string16& title =
    114       l10n_util::GetStringUTF16(IDS_CANT_WRITE_USER_DIRECTORY_TITLE);
    115   const base::string16& message =
    116       l10n_util::GetStringFUTF16(IDS_CANT_WRITE_USER_DIRECTORY_SUMMARY,
    117                                  user_data_dir.LossyDisplayName());
    118 
    119   if (cleanup_resource_bundle)
    120     ResourceBundle::CleanupSharedInstance();
    121 
    122   // More complex dialogs cannot be shown before the earliest calls here.
    123   ShowMessageBox(NULL, title, message, chrome::MESSAGE_BOX_TYPE_WARNING);
    124 }
    125 
    126 }  // namespace chrome
    127