Pass RemoteFrame mojo channels through its creation messages. [chromium/src : main]

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Dave Tapuska (Gerrit)

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1 comment:

  • Patchset:

    • Patch Set #1:

      Daniel do you mind having a first look as you reviewed the other patch from Igalia last year.

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Pass RemoteFrame mojo channels through its creation messages.

A number of calls to GetAssociatedRemoteFrame needed to be adjusted to
check the liveness of the RenderFrameProxyHost before the call is made.
Alternatives to this were considered, one such was promising if we left
the associated remote bound but disconnected after death. However
with doing that is that some proxies are created but never bound,
their mojo channels aren't sent if the associated RenderProcessHost is
dead, so that alone doesn't fix the issues arising. Previously the
code would just allocate a new AssociatedRemote that was bound but
not sent over the channel so it would just queue.

This CL binds mojo endpoints of RemoteFrame/RemoteFrameHost in
RenderFrameProxyHost and passes corresponding endpoints through its
creation messages.
- content.mojom.Frame.Unload
- content.mojom.AgentSchedulingGroup.CreateFrameProxy

For portal and fenced frames creation messages are sent from the
renderer process. So,
mojo endpoints of RemoteFrame/RemoteFrameHost are initialized in
renderer and corresponding endpoints are bound to RenderFrameProxyHost.
- content.mojom.FrameHost.CreatePortal
- content.mojom.FrameHost.AdoptPortal

Finally, we no longer need AssociatedInterfaceProvider from
RenderFrameProxy.

Patch originally written by Yeunjoo Choi crrev.com/c/2859603 but
was never completed.

Bug: 1190158
Change-Id: Ifd130a6021613f2a09dde75d8625d0465bba76a3
---
M components/guest_view/browser/guest_view_base.cc
M content/browser/fenced_frame/fenced_frame.cc
M content/browser/fenced_frame/fenced_frame.h
M content/browser/fenced_frame/fenced_frame_browsertest.cc
M content/browser/loader/object_navigation_fallback_body_loader.cc
M content/browser/portal/portal.cc
M content/browser/portal/portal.h
M content/browser/portal/portal_browsertest.cc
M content/browser/renderer_host/agent_scheduling_group_host.cc
M content/browser/renderer_host/agent_scheduling_group_host.h
M content/browser/renderer_host/browsing_context_state.cc
M content/browser/renderer_host/cross_process_frame_connector.cc
M content/browser/renderer_host/frame_tree.cc
M content/browser/renderer_host/navigation_request.cc
M content/browser/renderer_host/render_frame_host_impl.cc
M content/browser/renderer_host/render_frame_host_impl.h
M content/browser/renderer_host/render_frame_host_manager.cc
M content/browser/renderer_host/render_frame_host_manager_unittest.cc
M content/browser/renderer_host/render_frame_proxy_host.cc
M content/browser/renderer_host/render_frame_proxy_host.h
M content/browser/renderer_host/render_view_host_impl.cc
M content/browser/security_exploit_browsertest.cc
M content/browser/site_per_process_browsertest.cc
M content/browser/web_contents/web_contents_impl.cc
M content/browser/web_contents/web_contents_impl.h
M content/browser/web_contents/web_contents_impl_browsertest.cc
M content/common/agent_scheduling_group.mojom
M content/common/frame.mojom
M content/public/browser/web_contents.h
M content/public/test/fake_remote_frame.cc
M content/public/test/fake_remote_frame.h
M content/public/test/test_utils.cc
M content/renderer/agent_scheduling_group.cc
M content/renderer/agent_scheduling_group.h
M content/renderer/render_frame_impl.cc
M content/renderer/render_frame_impl.h
M content/renderer/render_frame_impl_browsertest.cc
M content/renderer/render_frame_proxy.cc
M content/renderer/render_frame_proxy.h
M content/renderer/render_view_browsertest.cc
M content/renderer/render_view_impl.cc
M content/test/portal/portal_created_observer.cc
M content/test/portal/portal_created_observer.h
M content/test/test_render_frame.cc
M content/test/test_render_frame_host.cc
M content/test/test_render_view_host.cc
M content/test/test_web_contents.cc
M third_party/blink/public/web/web_remote_frame.h
M third_party/blink/public/web/web_remote_frame_client.h
M third_party/blink/renderer/core/frame/frame_test_helpers.cc
M third_party/blink/renderer/core/frame/frame_test_helpers.h
M third_party/blink/renderer/core/frame/remote_frame.cc
M third_party/blink/renderer/core/frame/remote_frame.h
M third_party/blink/renderer/core/frame/remote_frame_client.h
M third_party/blink/renderer/core/frame/remote_frame_client_impl.cc
M third_party/blink/renderer/core/frame/remote_frame_client_impl.h
M third_party/blink/renderer/core/frame/web_frame_test.cc
M third_party/blink/renderer/core/frame/web_remote_frame_impl.cc
M third_party/blink/renderer/core/frame/web_remote_frame_impl.h
M third_party/blink/renderer/core/paint/compositing/compositing_test.cc
M third_party/blink/renderer/core/testing/fake_remote_frame_host.cc
M third_party/blink/renderer/core/testing/fake_remote_frame_host.h
62 files changed, 768 insertions(+), 458 deletions(-)


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Liviu Tinta (Gerrit)

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Daniel Cheng (Gerrit)

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8 comments:

  • File content/browser/fenced_frame/fenced_frame.h:

    • Patch Set #5, Line 50: RenderFrameProxyHost* CreateProxyAndAttachToOuterFrameTree(

      Maybe mention `remote_frame_interfaces` must not be null, and DCHECK() this at line 173.

  • File content/browser/loader/object_navigation_fallback_body_loader.cc:

    • Patch Set #5, Line 266: if (proxy->is_render_frame_proxy_live()) {

      Are all these ifs added because:

      • we have no idea when RFPHs may or may not be live, so we just added the checks everywhere or
      • All the is_render_frame_proxy() live checks were added in response to some test somewhere failing.
    • Patch Set #5, Line 273: ->GetAssociatedLocalFrame()

      I wonder why we don't need a liveness check here? Is this just something we overlooked?

      (I'm assuming the corresponding if above was added because of some failing test somewhere)

  • File content/browser/portal/portal.h:

    • Patch Set #5, Line 69: // the proxy.

      Similarly mention that `remote_frame_interfaces` must not be null and DCHECK()?

  • File content/browser/renderer_host/browsing_context_state.cc:

    • Patch Set #5, Line 409: proxy->GetAssociatedRemoteFrame()->SetFrameOwnerProperties(

      Were these also all bugs if we encountered a non-live RFPH?

  • File content/browser/renderer_host/render_frame_host_impl.cc:

    • Patch Set #5, Line 7453: if (proxy_host->is_render_frame_proxy_live()) {

      Can CreateProxyAndAttachPortal() ever return a non-live RFPH? If so, why would it do so? Can we change that?

  • File third_party/blink/renderer/core/frame/frame.h:

    • Patch Set #5, Line 412: bool Swap(WebRemoteFrame*,

      Somewhere, it would be good to explain why WebRemoteFrame needs these additional bits, but WebLocalFrame does not.

      I would have expected the plumbing to largely be symmetrical, so it's a bit surprising from this aspect.

  • File third_party/blink/renderer/core/frame/frame_test_helpers.h:

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Dave Tapuska (Gerrit)

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8 comments:

  • File content/browser/fenced_frame/fenced_frame.h:

    • Patch Set #5, Line 50: RenderFrameProxyHost* CreateProxyAndAttachToOuterFrameTree(

      Maybe mention `remote_frame_interfaces` must not be null, and DCHECK() this at line 173.

    • Done

  • File content/browser/loader/object_navigation_fallback_body_loader.cc:

    • Are all these ifs added because: […]

      So I added them where I thought they were necessary. proxy_hosts_ in RenderFrameHostManager can have not-live RFPHs in it. So anything returned from RenderFrameHostManager now has a is_render_frame_proxy_live chceck before acessing GetAssociatedRemoteFrame.

      See the commit msg. I attempted to not unbind the channel in TearDown, but because RFHM can actually have RFPH that haven't ever been sent to a renderer that approach didn't work.

    • Patch Set #5, Line 69: // the proxy.

      Similarly mention that `remote_frame_interfaces` must not be null and DCHECK()?

    • Done

  • File content/browser/renderer_host/browsing_context_state.cc:

    • Patch Set #5, Line 409: proxy->GetAssociatedRemoteFrame()->SetFrameOwnerProperties(

      Were these also all bugs if we encountered a non-live RFPH?

    • Yes. proxy_hosts_ stores non live ones. So instead of rewriting it here on everyone I reused the *already* correct ExecuteRemoteFramesBroadcastMethod.

  • File content/browser/renderer_host/render_frame_host_impl.cc:

    • Can CreateProxyAndAttachPortal() ever return a non-live RFPH? If so, why would it do so? Can we chan […]

      Oh yes they are. But proxy_host can be null, so fixed that.

  • File third_party/blink/renderer/core/frame/frame.h:

    • Somewhere, it would be good to explain why WebRemoteFrame needs these additional bits, but WebLocalF […]

      I imagine they will look like that in the future. But for WebLocalFrame local frames being passed in. But I think getting away from the AssociatedInterfaceProvider for remote frames is good. Comments added.

  • File third_party/blink/renderer/core/frame/frame_test_helpers.h:

    • Eventually yes. I do want to pass the mojo remote/receiver from the renderer side eventually. Then we can remove the Sync IPC call to the IO thread for CreateFrame. But to do that we still need even more legacy IPC gone. (fortunately the only legacy IPC used for RemoteFrames is the associated interface fetching).

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Dave Tapuska (Gerrit)

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1 comment:

  • Patchset:

    • Patch Set #9:

      dcheng@ if you could look at this it would be appreciated. I'm trying to get to the place where the fenced frame creation is async. Removing routing ID on RenderFrameProxy gets us almost there.

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M third_party/blink/public/web/web_frame.h
M third_party/blink/public/web/web_remote_frame.h
M third_party/blink/public/web/web_remote_frame_client.h
M third_party/blink/renderer/controller/performance_manager/renderer_resource_coordinator_impl_test.cc
M third_party/blink/renderer/core/frame/frame.cc
M third_party/blink/renderer/core/frame/frame.h

M third_party/blink/renderer/core/frame/frame_test_helpers.cc
M third_party/blink/renderer/core/frame/frame_test_helpers.h
M third_party/blink/renderer/core/frame/remote_frame.cc
M third_party/blink/renderer/core/frame/remote_frame.h
M third_party/blink/renderer/core/frame/remote_frame_client.h
M third_party/blink/renderer/core/frame/remote_frame_client_impl.cc
M third_party/blink/renderer/core/frame/remote_frame_client_impl.h
M third_party/blink/renderer/core/frame/web_frame.cc
M third_party/blink/renderer/core/frame/web_frame_test.cc
M third_party/blink/renderer/core/frame/web_frame_widget_test.cc
M third_party/blink/renderer/core/frame/web_remote_frame_impl.cc
M third_party/blink/renderer/core/frame/web_remote_frame_impl.h
M third_party/blink/renderer/core/page/scrolling/root_scroller_test.cc
M third_party/blink/renderer/core/page/spatial_navigation_test.cc

M third_party/blink/renderer/core/paint/compositing/compositing_test.cc
M third_party/blink/renderer/core/testing/fake_remote_frame_host.cc
M third_party/blink/renderer/core/testing/fake_remote_frame_host.h
70 files changed, 977 insertions(+), 670 deletions(-)


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Arthur Sonzogni (Gerrit)

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8 comments:

    • Previously the
      code would just allocate a new AssociatedRemote that was bound but
      not sent over the channel so it would just queue.

    • If we were enqueing message but never delivering them, then I agree checking if the RFPH is alive before every call should be equivalent.

      To double check, could you show me what is the part of the code where, we create a new AssociatedRemote, but never sent it over the channel?

    • Patch Set #10, Line 34:

      Note for myself: The message continue to be properly ordered with frame/navigation IPC, because they are still associated interface and they are sent via mojom::FrameHost / mojom::AgenSchedulingGroup.

  • Patchset:

  • File content/browser/renderer_host/render_frame_host_impl.cc:

    • Patch Set #10, Line 5959:

          proxy->GetAssociatedRemoteFrame()->SetNeedsOcclusionTracking(
      needs_tracking);

      nit: Can you wrap it with {}, because it is now a multiline instruction.

  • File content/public/test/fake_remote_frame.h:

  • File content/renderer/render_frame_impl.cc:

    • Patch Set #10, Line 2068:

        // TODO(dcheng): Improve this comment to clarify why it's important to sent
      // state updates.

      It was not obvious to me why removing this TODO?

  • File content/renderer/render_view_browsertest.cc:

    • Patch Set #10, Line 617: true

      nit (×7): Could you specify the name of the argument whose value is true? `/*arg=*/true`

  • File third_party/blink/renderer/core/frame/frame_test_helpers.h:

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Dave Tapuska (Gerrit)

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View Change

6 comments:

  • Commit Message:

    • Patch Set #10, Line 15:

      Previously the
      code would just allocate a new AssociatedRemote that was bound but
      not sent over the channel so it would just queue.

    • Patch Set #10, Line 5959:

          proxy->GetAssociatedRemoteFrame()->SetNeedsOcclusionTracking(
      needs_tracking);

      nit: Can you wrap it with {}, because it is now a multiline instruction.

    • Done

  • File content/public/test/fake_remote_frame.h:

    • Done

  • File content/renderer/render_frame_impl.cc:

    • Patch Set #10, Line 2068:

        // TODO(dcheng): Improve this comment to clarify why it's important to sent
      // state updates.

      It was not obvious to me why removing this TODO?

    • Added back. I agree, must have been a conflict resolution issue I had.

  • File content/renderer/render_view_browsertest.cc:

    • Patch Set #10, Line 617: true

      nit (×7): Could you specify the name of the argument whose value is true? `/*arg=*/true`

    • Done (x9) :-)

  • File third_party/blink/renderer/core/frame/frame_test_helpers.h:

    • Done

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Arthur Sonzogni (Gerrit)

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Patch set 11:Code-Review +1

View Change

7 comments:

  • Commit Message:

    • Patch Set #10, Line 15:

      Previously the
      code would just allocate a new AssociatedRemote that was bound but
      not sent over the channel so it would just queue.

  • Patchset:

    • Patch Set #11:

      Thanks! This should be good.
      content/ LGTM assuming all my comment are addressed below.

      I am starting vacation tomorrow. So if you proceed with significant change, could you request a review from @alexmos?

      I am a bit sad about all those "if rfph_alive" everywhere before calling an IPC. I agree this is equivalent to the previous behavior. It is possible some not to be strictly necessary, but at least being consistent will prevent developers from missing it.

  • File content/browser/renderer_host/render_frame_host_manager.cc:

    • Patch Set #11, Line 1385:

        if (frame_tree_node_->IsFencedFrameRoot() &&
      frame_tree_node_->frame_tree()->type() == FrameTree::Type::kFencedFrame &&
      GetProxyToOuterDelegate()->is_render_frame_proxy_live()) {
      GetProxyToOuterDelegate()->GetAssociatedRemoteFrame()->Collapse(collapsed);
      return;
      }

      This doesn't look equivalent to the previous behavior. Shouldn't this return independently of whether the proxy is live?

      Shouldn't this be:
      ```
      if (frame_tree_node_->IsFencedFrameRoot() &&
      frame_tree_node_->frame_tree()->type() == FrameTree::Type::kFencedFrame) {
      if (GetProxyToOuterDelegate()->is_render_frame_proxy_live()) {
      GetProxyToOuterDelegate()->GetAssociatedRemoteFrame()->Collapse(collapsed);
      }
      return;
      }
      ```
      ?
  • File content/common/frame.mojom:

  • File content/renderer/render_frame_impl.cc:

    • This comment needs to be updated.

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Dave Tapuska (Gerrit)

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View Change

5 comments:

  • File content/browser/renderer_host/render_frame_host_manager.cc:

    • Patch Set #11, Line 1385:

        if (frame_tree_node_->IsFencedFrameRoot() &&
      frame_tree_node_->frame_tree()->type() == FrameTree::Type::kFencedFrame &&
      GetProxyToOuterDelegate()->is_render_frame_proxy_live()) {
      GetProxyToOuterDelegate()->GetAssociatedRemoteFrame()->Collapse(collapsed);
      return;
      }

    • This doesn't look equivalent to the previous behavior. […]

      Done

  • File content/common/frame.mojom:

    • Done

    • Done

    • Done

  • File content/renderer/render_frame_impl.cc:

    • Done

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Daniel Cheng (Gerrit)

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Patch set 12:Code-Review +1

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5 comments:

  • Patchset:

  • File components/guest_view/browser/guest_view_base.cc:

    • Patch Set #12, Line 528: /*remote_frame_host_receiver=*/absl::nullopt, is_full_page_plugin);

      Nit: perhaps it'd be helpful to mention in a comment where these will be set later instead?

  • File content/browser/loader/object_navigation_fallback_body_loader.cc:

    • So I added them where I thought they were necessary. […]

      Thanks, that makes sense.

    • The way GetAssociatedLocalFrame for RenderFrameHostImpl works is that it rebinds a new remote if it […]

      I think the more explicit approach is strictly better. Thanks for the background.

  • File content/browser/web_contents/web_contents_impl.cc:

    • Patch Set #12, Line 2421: absl::optional<mojo::PendingAssociatedRemote<blink::mojom::RemoteFrame>>

      Nit: it's a bit weird to have optional wrapping the Mojo endpoints, since the mojo endpoints can already be 'null' (e.g. a default-constructed PendingAssociatedRemote or default-constructed PendingAssociatedReceiver).

      Let's drop the absl::optional here and use is_valid() on lines 2497.

      mojo::NullAssociated{Receiver,Remote}() is more convenient shorthand for constructing null endpoints than writing out the full name of the pending types, and can be used to replace absl::nullopt.

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2 comments:

  • File components/guest_view/browser/guest_view_base.cc:

    • Patch Set #12, Line 528: /*remote_frame_host_receiver=*/absl::nullopt, is_full_page_plugin);

      Nit: perhaps it'd be helpful to mention in a comment where these will be set later instead?

    • Done

  • File content/browser/web_contents/web_contents_impl.cc:

    • Nit: it's a bit weird to have optional wrapping the Mojo endpoints, since the mojo endpoints can alr […]

      Done

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Dave Tapuska (Gerrit)

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View Change

Pass RemoteFrame mojo channels through its creation messages.

A number of calls to GetAssociatedRemoteFrame needed to be adjusted to
check the liveness of the RenderFrameProxyHost before the call is made.
Alternatives to this were considered, one such was promising if we left
the associated remote bound but disconnected after death. However
with doing that is that some proxies are created but never bound,
their mojo channels aren't sent if the associated RenderProcessHost is
dead, so that alone doesn't fix the issues arising. Previously the

code would just allocate a new AssociatedRemote that was bound but
not sent over the channel so it would just queue.

70 files changed, 987 insertions(+), 673 deletions(-)


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Patch set 13:Code-Review +1

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    Patch set 13:Commit-Queue +2

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      Gerrit-CC: Alex Moshchuk <ale...@chromium.org>
      Gerrit-CC: Dominic Farolino <d...@chromium.org>
      Gerrit-CC: Ehsan Karamad <ekar...@chromium.org>
      Gerrit-CC: James Maclean <wjma...@chromium.org>
      Gerrit-CC: Liviu Tinta <liviu...@chromium.org>
      Gerrit-Attention: Dave Tapuska <dtap...@chromium.org>
      Gerrit-Comment-Date: Fri, 15 Jul 2022 23:17:03 +0000

      Chromium LUCI CQ (Gerrit)

      unread,
      Jul 15, 2022, 7:26:28 PM7/15/22
      to Dave Tapuska, mparch-review...@chromium.org, alexmo...@chromium.org, blink-isola...@chromium.org, blink-re...@chromium.org, blink-revi...@chromium.org, blink-rev...@chromium.org, blink-...@chromium.org, chikamu...@chromium.org, creis...@chromium.org, ipc-securi...@chromium.org, loading...@chromium.org, navigation...@chromium.org, Kevin McNee, Daniel Cheng, Dominic Farolino, Arthur Sonzogni, Alex Moshchuk, Tricium, Liviu Tinta, chromium...@chromium.org, Ehsan Karamad, James Maclean

      Chromium LUCI CQ submitted this change.

      View Change


      Approvals: Daniel Cheng: Looks good to me Arthur Sonzogni: Looks good to me Kevin McNee: Looks good to me Dave Tapuska: Commit
      Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/3723298
      Reviewed-by: Daniel Cheng <dch...@chromium.org>
      Commit-Queue: Dave Tapuska <dtap...@chromium.org>
      Reviewed-by: Kevin McNee <mc...@chromium.org>
      Reviewed-by: Arthur Sonzogni <arthurs...@chromium.org>
      Cr-Commit-Position: refs/heads/main@{#1024955}
      70 files changed, 993 insertions(+), 673 deletions(-)


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      Gerrit-Project: chromium/src
      Gerrit-Branch: main
      Gerrit-Change-Id: Ifd130a6021613f2a09dde75d8625d0465bba76a3
      Gerrit-Change-Number: 3723298
      Gerrit-PatchSet: 14
      Gerrit-Owner: Dave Tapuska <dtap...@chromium.org>
      Gerrit-Reviewer: Arthur Sonzogni <arthurs...@chromium.org>
      Gerrit-Reviewer: Chromium LUCI CQ <chromiu...@luci-project-accounts.iam.gserviceaccount.com>
      Gerrit-Reviewer: Daniel Cheng <dch...@chromium.org>
      Gerrit-Reviewer: Dave Tapuska <dtap...@chromium.org>
      Gerrit-Reviewer: Kevin McNee <mc...@chromium.org>
      Gerrit-CC: Alex Moshchuk <ale...@chromium.org>
      Gerrit-CC: Dominic Farolino <d...@chromium.org>
      Gerrit-CC: Ehsan Karamad <ekar...@chromium.org>
      Gerrit-CC: James Maclean <wjma...@chromium.org>
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