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electron/patches/chromium/frame_host_manager.patch

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From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: deepak1556 <hop2deep@gmail.com>
Date: Mon, 3 Jun 2019 14:20:05 -0700
Subject: frame_host_manager.patch
Allows embedder to intercept site instances chosen by chromium
and respond with custom instance. Also allows for us to at-runtime
enable or disable this patch.
diff --git a/content/browser/browsing_instance.cc b/content/browser/browsing_instance.cc
index 1e6b4b91485ae9a528beed77b12f6532e5968c07..c4a9db033bb56d097c4ce84ecd195e7bf4d7afd4 100644
--- a/content/browser/browsing_instance.cc
+++ b/content/browser/browsing_instance.cc
@@ -83,6 +83,13 @@ scoped_refptr<SiteInstanceImpl> BrowsingInstance::GetSiteInstanceForURL(
return instance;
}
+scoped_refptr<SiteInstanceImpl> BrowsingInstance::CreateSiteInstanceForURL(
+ const GURL& url) {
+ scoped_refptr<SiteInstanceImpl> instance = new SiteInstanceImpl(this);
+ instance->SetSite(url);
+ return instance;
+}
+
void BrowsingInstance::GetSiteAndLockForURL(const GURL& url,
bool allow_default_instance,
GURL* site_url,
diff --git a/content/browser/browsing_instance.h b/content/browser/browsing_instance.h
index 906a1ee4ac58b0744a32153bbaafeac4322a60e4..c90f4aead36cbf3767dc5094728963c24798e204 100644
--- a/content/browser/browsing_instance.h
+++ b/content/browser/browsing_instance.h
@@ -136,6 +136,11 @@ class CONTENT_EXPORT BrowsingInstance final
const GURL& url,
bool allow_default_instance);
+ // Create a new SiteInstance for the given URL bound the current
+ // BrowsingInstance.
+ scoped_refptr<SiteInstanceImpl> CreateSiteInstanceForURL(
+ const GURL& url);
+
// Adds the given SiteInstance to our map, to ensure that we do not create
// another SiteInstance for the same site.
void RegisterSiteInstance(SiteInstanceImpl* site_instance);
diff --git a/content/browser/frame_host/render_frame_host_manager.cc b/content/browser/frame_host/render_frame_host_manager.cc
index ef19485423d15cd4c7d1f8bc19391af407f36813..0d7b72cd7ec4002251db939be3a93c5f7c07a885 100644
--- a/content/browser/frame_host/render_frame_host_manager.cc
+++ b/content/browser/frame_host/render_frame_host_manager.cc
@@ -2201,6 +2201,21 @@ bool RenderFrameHostManager::InitRenderView(
scoped_refptr<SiteInstance>
RenderFrameHostManager::GetSiteInstanceForNavigationRequest(
NavigationRequest* request) {
+ BrowserContext* browser_context = nullptr;
+ scoped_refptr<SiteInstanceImpl> candidate_site_instance;
+ if (!GetContentClient()->browser()->CanUseCustomSiteInstance()) {
+ browser_context =
+ delegate_->GetControllerForRenderManager().GetBrowserContext();
+ // If the navigation can swap SiteInstances, compute the SiteInstance it
+ // should use.
+ // TODO(clamy): We should also consider as a candidate SiteInstance the
+ // speculative SiteInstance that was computed on redirects.
+ candidate_site_instance =
+ speculative_render_frame_host_
+ ? speculative_render_frame_host_->GetSiteInstance()
+ : nullptr;
+ }
+
SiteInstance* current_site_instance = render_frame_host_->GetSiteInstance();
// All children of MHTML documents must be MHTML documents. They all live in
@@ -2244,6 +2259,59 @@ RenderFrameHostManager::GetSiteInstanceForNavigationRequest(
request->common_params().url);
no_renderer_swap_allowed |=
request->from_begin_navigation() && !can_renderer_initiate_transfer;
+
+ if (!GetContentClient()->browser()->CanUseCustomSiteInstance()) {
+ bool has_navigation_started = request->state() != NavigationRequest::NOT_STARTED;
+ bool has_response_started =
+ (request->state() == NavigationRequest::RESPONSE_STARTED ||
+ request->state() == NavigationRequest::FAILED) &&
+ !speculative_render_frame_host_;
+ // Gives user a chance to choose a custom site instance.
+ SiteInstance* affinity_site_instance = nullptr;
+ scoped_refptr<SiteInstance> overriden_site_instance;
+ bool should_register_site_instance = false;
+ ContentBrowserClient::SiteInstanceForNavigationType siteInstanceType =
+ GetContentClient()->browser()->ShouldOverrideSiteInstanceForNavigation(
+ current_frame_host(), speculative_frame_host(), browser_context,
+ request->common_params().url, has_navigation_started,
+ has_response_started, &affinity_site_instance);
+ switch (siteInstanceType) {
+ case ContentBrowserClient::SiteInstanceForNavigationType::
+ FORCE_CANDIDATE_OR_NEW:
+ overriden_site_instance =
+ candidate_site_instance
+ ? candidate_site_instance
+ : current_site_instance->CreateRelatedSiteInstance(
+ request->common_params().url);
+ should_register_site_instance = true;
+ break;
+ case ContentBrowserClient::SiteInstanceForNavigationType::FORCE_NEW:
+ overriden_site_instance = current_site_instance->CreateRelatedSiteInstance(
+ request->common_params().url);
+ should_register_site_instance = true;
+ break;
+ case ContentBrowserClient::SiteInstanceForNavigationType::FORCE_CURRENT:
+ overriden_site_instance = render_frame_host_->GetSiteInstance();
+ break;
+ case ContentBrowserClient::SiteInstanceForNavigationType::FORCE_AFFINITY:
+ DCHECK(affinity_site_instance);
+ overriden_site_instance =
+ scoped_refptr<SiteInstance>(affinity_site_instance);
+ break;
+ case ContentBrowserClient::SiteInstanceForNavigationType::ASK_CHROMIUM:
+ DCHECK(!affinity_site_instance);
+ break;
+ default:
+ break;
+ }
+ if (overriden_site_instance) {
+ if (should_register_site_instance) {
+ GetContentClient()->browser()->RegisterPendingSiteInstance(
+ render_frame_host_.get(), overriden_site_instance.get());
+ }
+ return overriden_site_instance;
+ }
+ }
} else {
// Subframe navigations will use the current renderer, unless specifically
// allowed to swap processes.
@@ -2255,23 +2323,28 @@ RenderFrameHostManager::GetSiteInstanceForNavigationRequest(
if (no_renderer_swap_allowed && !should_swap_for_error_isolation)
return scoped_refptr<SiteInstance>(current_site_instance);
+ if (GetContentClient()->browser()->CanUseCustomSiteInstance()) {
// If the navigation can swap SiteInstances, compute the SiteInstance it
// should use.
// TODO(clamy): We should also consider as a candidate SiteInstance the
// speculative SiteInstance that was computed on redirects.
- SiteInstanceImpl* candidate_site_instance =
+ candidate_site_instance =
speculative_render_frame_host_
? speculative_render_frame_host_->GetSiteInstance()
: nullptr;
+ }
scoped_refptr<SiteInstance> dest_site_instance = GetSiteInstanceForNavigation(
request->common_params().url, request->GetSourceSiteInstance(),
- request->dest_site_instance(), candidate_site_instance,
+ request->dest_site_instance(), candidate_site_instance.get(),
request->common_params().transition,
request->state() == NavigationRequest::FAILED,
request->GetRestoreType() != RestoreType::NONE, request->is_view_source(),
was_server_redirect);
+ GetContentClient()->browser()->RegisterPendingSiteInstance(
+ render_frame_host_.get(), dest_site_instance.get());
+
return dest_site_instance;
}
diff --git a/content/browser/site_instance_impl.cc b/content/browser/site_instance_impl.cc
index ea72b3a9d57383a47c91795c11bd0b8fc2b92e55..2adb671d8c36ad22814b75c4be61fb3925dd2258 100644
--- a/content/browser/site_instance_impl.cc
+++ b/content/browser/site_instance_impl.cc
@@ -360,6 +360,10 @@ bool SiteInstanceImpl::HasRelatedSiteInstance(const GURL& url) {
return browsing_instance_->HasSiteInstance(url);
}
+scoped_refptr<SiteInstance> SiteInstanceImpl::CreateRelatedSiteInstance(const GURL& url) {
+ return browsing_instance_->CreateSiteInstanceForURL(url);
+}
+
scoped_refptr<SiteInstance> SiteInstanceImpl::GetRelatedSiteInstance(
const GURL& url) {
return browsing_instance_->GetSiteInstanceForURL(
diff --git a/content/browser/site_instance_impl.h b/content/browser/site_instance_impl.h
index 9fc7e1710f3038e82d7fac6c3fb608cd3a7071ba..ad1e884811e8f7de4dea43f9b754d578e62b4d92 100644
--- a/content/browser/site_instance_impl.h
+++ b/content/browser/site_instance_impl.h
@@ -84,6 +84,7 @@ class CONTENT_EXPORT SiteInstanceImpl final : public SiteInstance,
BrowserContext* GetBrowserContext() override;
const GURL& GetSiteURL() override;
scoped_refptr<SiteInstance> GetRelatedSiteInstance(const GURL& url) override;
+ scoped_refptr<SiteInstance> CreateRelatedSiteInstance(const GURL& url) override;
bool IsRelatedSiteInstance(const SiteInstance* instance) override;
size_t GetRelatedActiveContentsCount() override;
bool RequiresDedicatedProcess() override;
diff --git a/content/public/browser/content_browser_client.cc b/content/public/browser/content_browser_client.cc
index 3fdc443b408c3d8f7ffdabf6b010d5fc1ecd22d5..0d0d0f8f90fd830882558b3358d4a168fe5746b7 100644
--- a/content/public/browser/content_browser_client.cc
+++ b/content/public/browser/content_browser_client.cc
@@ -49,6 +49,21 @@
namespace content {
+bool ContentBrowserClient::CanUseCustomSiteInstance() {
+ return false;
+}
+
+ContentBrowserClient::SiteInstanceForNavigationType ContentBrowserClient::ShouldOverrideSiteInstanceForNavigation(
+ content::RenderFrameHost* current_rfh,
+ content::RenderFrameHost* speculative_rfh,
+ content::BrowserContext* browser_context,
+ const GURL& url,
+ bool has_navigation_started,
+ bool has_request_started,
+ content::SiteInstance** affinity_site_instance) const {
+ return SiteInstanceForNavigationType::ASK_CHROMIUM;
+}
+
std::unique_ptr<BrowserMainParts> ContentBrowserClient::CreateBrowserMainParts(
const MainFunctionParams& parameters) {
return nullptr;
diff --git a/content/public/browser/content_browser_client.h b/content/public/browser/content_browser_client.h
index 891b69d65de0e47719af23eb7047d22d10417019..425e7ab657a2de0ff11e6989a0dc34e11f883999 100644
--- a/content/public/browser/content_browser_client.h
+++ b/content/public/browser/content_browser_client.h
@@ -215,8 +215,45 @@ struct WebPreferences;
// the observer interfaces.)
class CONTENT_EXPORT ContentBrowserClient {
public:
+ // Identifies the type of site instance to use for a navigation.
+ enum SiteInstanceForNavigationType {
+ // Use either the candidate site instance or, if it doesn't exist
+ // a new, unrelated site instance for the navigation.
+ FORCE_CANDIDATE_OR_NEW = 0,
+
+ // Use the current site instance for the navigation.
+ FORCE_CURRENT,
+
+ // Use a new, unrelated site instance.
+ FORCE_NEW,
+
+ // Use the provided affinity site instance for the navigation.
+ FORCE_AFFINITY,
+
+ // Delegate the site instance creation to Chromium.
+ ASK_CHROMIUM
+ };
+
virtual ~ContentBrowserClient() {}
+ // Electron: Allows disabling the below ShouldOverride patch
+ virtual bool CanUseCustomSiteInstance();
+
+ // Electron: Allows overriding the SiteInstance when navigating.
+ virtual SiteInstanceForNavigationType ShouldOverrideSiteInstanceForNavigation(
+ content::RenderFrameHost* current_rfh,
+ content::RenderFrameHost* speculative_rfh,
+ content::BrowserContext* browser_context,
+ const GURL& url,
+ bool has_navigation_started,
+ bool has_request_started,
+ content::SiteInstance** affinity_site_instance) const;
+
+ // Electron: Registers a pending site instance during a navigation.
+ virtual void RegisterPendingSiteInstance(
+ content::RenderFrameHost* rfh,
+ content::SiteInstance* pending_site_instance) {}
+
// Allows the embedder to set any number of custom BrowserMainParts
// implementations for the browser startup code. See comments in
// browser_main_parts.h.
diff --git a/content/public/browser/site_instance.h b/content/public/browser/site_instance.h
index a3e880e20e51d988175f0e8e2c42e7f5c1740104..faadd39d01530092f4f31a896ecb60f235e7f63f 100644
--- a/content/public/browser/site_instance.h
+++ b/content/public/browser/site_instance.h
@@ -121,6 +121,11 @@ class CONTENT_EXPORT SiteInstance : public base::RefCounted<SiteInstance> {
// corresponds to a site URL with the host "example.com".
virtual const GURL& GetSiteURL() = 0;
+ // Create a SiteInstance for the given URL that shares the current
+ // BrowsingInstance.
+ virtual scoped_refptr<SiteInstance> CreateRelatedSiteInstance(
+ const GURL& url) = 0;
+
// Gets a SiteInstance for the given URL that shares the current
// BrowsingInstance, creating a new SiteInstance if necessary. This ensures
// that a BrowsingInstance only has one SiteInstance per site, so that pages
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