| // Copyright 2015 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. |
| |
| #ifndef CONTENT_PUBLIC_BROWSER_SITE_ISOLATION_POLICY_H_ |
| #define CONTENT_PUBLIC_BROWSER_SITE_ISOLATION_POLICY_H_ |
| |
| #include <vector> |
| |
| #include "base/gtest_prod_util.h" |
| #include "base/macros.h" |
| #include "base/strings/string_piece_forward.h" |
| #include "content/common/content_export.h" |
| #include "url/origin.h" |
| |
| namespace network { |
| namespace mojom { |
| class URLLoaderFactoryParams; |
| } |
| } // namespace network |
| |
| namespace content { |
| |
| // A centralized place for making policy decisions about out-of-process iframes, |
| // site isolation, --site-per-process, and related features. |
| // |
| // This is currently static because all these modes are controlled by command- |
| // line flags or field trials. |
| // |
| // These methods can be called from any thread. |
| class CONTENT_EXPORT SiteIsolationPolicy { |
| public: |
| // Returns true if every site should be placed in a dedicated process. |
| static bool UseDedicatedProcessesForAllSites(); |
| |
| // Populates CORB-related (Cross-Origin Read Blocking related) parts of the |
| // URLLoaderFactoryParams depending on the current Site Isolation policy. |
| static void PopulateURLLoaderFactoryParamsPtrForCORB( |
| network::mojom::URLLoaderFactoryParams* params); |
| |
| // Returns true if third-party subframes of a page should be kept in a |
| // different process from the main frame. |
| static bool IsTopDocumentIsolationEnabled(); |
| |
| // Returns true if isolated origins feature is enabled. |
| static bool AreIsolatedOriginsEnabled(); |
| |
| // Returns true if error page isolation is enabled. |
| static bool IsErrorPageIsolationEnabled(bool in_main_frame); |
| |
| // Returns true if the PDF compositor should be enabled to allow out-of- |
| // process iframes (OOPIF's) to print properly. |
| static bool ShouldPdfCompositorBeEnabledForOopifs(); |
| |
| // Returns the origins to isolate. See also AreIsolatedOriginsEnabled. |
| // This list applies globally to the whole browser in all profiles. |
| static std::vector<url::Origin> GetIsolatedOrigins(); |
| |
| // Records metrics about which site isolation command-line flags are present, |
| // and sets up a timer to keep recording them every 24 hours. This should be |
| // called once on browser startup. |
| static void StartRecordingSiteIsolationFlagUsage(); |
| |
| private: |
| SiteIsolationPolicy(); // Not instantiable. |
| |
| // Parses |arg| into a list of origins. |
| static std::vector<url::Origin> ParseIsolatedOrigins(base::StringPiece arg); |
| FRIEND_TEST_ALL_PREFIXES(SiteIsolationPolicyTest, ParseIsolatedOrigins); |
| |
| // Gets isolated origins from cmdline and/or from field trial param. |
| static std::vector<url::Origin> GetIsolatedOriginsFromEnvironment(); |
| |
| // Records metrics about which site isolation command-line flags are present. |
| static void RecordSiteIsolationFlagUsage(); |
| |
| DISALLOW_COPY_AND_ASSIGN(SiteIsolationPolicy); |
| }; |
| |
| } // namespace content |
| |
| #endif // CONTENT_PUBLIC_BROWSER_SITE_ISOLATION_POLICY_H_ |