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
30namespace chrome {
31
32void 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
94void 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