Add an error page for resources blocked via XSS Auditor.

components/error_page/common/localized_error.cc

 // 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 "components/error_page/common/localized_error.h"
 
 #include <stddef.h>
 
 #include <utility>
 
@@ skipping 12 matching lines @@
 #include "components/error_page/common/error_page_params.h"
 #include "components/error_page/common/error_page_switches.h"
 #include "components/error_page/common/net_error_info.h"
 #include "components/strings/grit/components_chromium_strings.h"
 #include "components/strings/grit/components_strings.h"
 #include "components/url_formatter/url_formatter.h"
 #include "net/base/escape.h"
 #include "net/base/net_errors.h"
 #include "ui/base/l10n/l10n_util.h"
 #include "ui/base/webui/web_ui_util.h"
+#include "url/origin.h"
 
 #if defined(OS_WIN)
 #include "base/win/windows_version.h"
 #endif
 
 #if defined(OS_ANDROID)
 #include "components/offline_pages/offline_page_feature.h"
 #endif
 
 namespace error_page {
@@ skipping 15 matching lines @@
   SUGGEST_PROXY_CONFIG                      = 1 << 4,
   SUGGEST_DISABLE_EXTENSION                 = 1 << 5,
   SUGGEST_LEARNMORE                         = 1 << 6,
   SUGGEST_CONTACT_ADMINISTRATOR             = 1 << 7,
   SUGGEST_UNSUPPORTED_CIPHER                = 1 << 8,
   SUGGEST_ANTIVIRUS_CONFIG                  = 1 << 9,
   SUGGEST_OFFLINE_CHECKS                    = 1 << 10,
   SUGGEST_COMPLETE_SETUP                    = 1 << 11,
   // Reload page suggestion for pages created by a post.
   SUGGEST_REPOST_RELOAD                     = 1 << 12,
+  SUGGEST_NAVIGATE_TO_ORIGIN                = 1 << 13,
 };
 
 enum SHOW_BUTTONS {
   SHOW_NO_BUTTONS    = 0,
   SHOW_BUTTON_RELOAD = 1,
 };
 
 struct LocalizedErrorMap {
   int error_code;
   unsigned int heading_resource_id;
@@ skipping 184 matching lines @@
    IDS_ERRORPAGES_SUMMARY_NOT_AVAILABLE,
    SUGGEST_DISABLE_EXTENSION,
    SHOW_NO_BUTTONS,
   },
   {net::ERR_BLOCKED_BY_CLIENT,
    IDS_ERRORPAGES_HEADING_BLOCKED,
    IDS_ERRORPAGES_SUMMARY_BLOCKED_BY_EXTENSION,
    SUGGEST_DISABLE_EXTENSION,
    SHOW_BUTTON_RELOAD,
   },
+  {net::ERR_BLOCKED_BY_XSS_AUDITOR,
+   IDS_ERRORPAGES_HEADING_PAGE_NOT_WORKING,
+   IDS_ERRORPAGES_SUMMARY_BLOCKED_BY_XSS_AUDITOR,
+   SUGGEST_NAVIGATE_TO_ORIGIN,
+   SHOW_NO_BUTTONS,
+  },
   {net::ERR_NETWORK_CHANGED,
    IDS_ERRORPAGES_HEADING_CONNECTION_INTERRUPTED,
    IDS_ERRORPAGES_SUMMARY_NETWORK_CHANGED,
    SUGGEST_NONE,
    SHOW_BUTTON_RELOAD,
   },
   {net::ERR_BLOCKED_BY_ADMINISTRATOR,
    IDS_ERRORPAGES_HEADING_BLOCKED,
    IDS_ERRORPAGES_SUMMARY_BLOCKED_BY_ADMINISTRATOR,
    SUGGEST_CONTACT_ADMINISTRATOR,
@@ skipping 325 matching lines @@
     // If the page was created by a post, it can't be reloaded in the same
     // way, so just add a suggestion instead.
     // TODO(mmenke):  Make the reload button bring up the repost confirmation
     //                dialog for pages resulting from posts.
     AddSingleEntryDictionaryToList(suggestions_summary_list, "summary",
         IDS_ERRORPAGES_SUGGESTION_RELOAD_REPOST_SUMMARY, false);
     return;
   }
   DCHECK(!IsSuggested(suggestions, SUGGEST_REPOST_RELOAD));
 
+  if (IsOnlySuggestion(suggestions, SUGGEST_NAVIGATE_TO_ORIGIN)) {
+    DCHECK(suggestions_summary_list->empty());
+    DCHECK(!(suggestions & ~SUGGEST_NAVIGATE_TO_ORIGIN));
+    url::Origin failed_origin(failed_url);
+    if (failed_origin.unique())
+      return;
+
+    auto suggestion = base::MakeUnique<base::DictionaryValue>();
+    suggestion->SetString("summary",
+                          l10n_util::GetStringUTF16(
+                              IDS_ERRORPAGES_SUGGESTION_NAVIGATE_TO_ORIGIN));
+    suggestion->SetString("originURL", failed_origin.Serialize());
+    suggestions_summary_list->Append(std::move(suggestion));
+    return;
+  }
+  DCHECK(!IsSuggested(suggestions, SUGGEST_NAVIGATE_TO_ORIGIN));
+
   if (IsOnlySuggestion(suggestions, SUGGEST_LEARNMORE)) {
     DCHECK(suggestions_summary_list->empty());
     AddLinkedSuggestionToList(error_code, locale, suggestions_summary_list,
                               true);
     return;
   }
   if (IsSuggested(suggestions, SUGGEST_LEARNMORE)) {
     AddLinkedSuggestionToList(error_code, locale, suggestions_summary_list,
                               false);
   }
@@ skipping 400 matching lines @@
 
 bool LocalizedError::HasStrings(const std::string& error_domain,
                                 int error_code) {
   // Whether or not the there are strings for an error does not depend on
   // whether or not the page was be generated by a POST, so just claim it was
   // not.
   return LookupErrorMap(error_domain, error_code, /*is_post=*/false) != nullptr;
 }
 
 }  // namespace error_page