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// Copyright (c) 2011 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 "chrome/browser/certificate_viewer.h"
#include <windows.h>
#include "base/bind.h"
#include "base/bind_helpers.h"
#include "base/location.h"
#include "base/logging.h"
#include "base/macros.h"
#include "base/single_thread_task_runner.h"
#include "base/task_runner.h"
#include "base/threading/thread.h"
#include "base/threading/thread_task_runner_handle.h"
#include "chrome/browser/ui/cryptuiapi_shim.h"
#include "net/cert/x509_certificate.h"
#include "net/cert/x509_util_win.h"
#include "ui/aura/window.h"
#include "ui/aura/window_tree_host.h"
#include "ui/shell_dialogs/base_shell_dialog_win.h"
namespace {
// Shows a Windows certificate viewer dialog on a background thread to avoid
// nested run loops.
class CertificateViewerDialog : public ui::BaseShellDialogImpl {
public:
CertificateViewerDialog() {}
// Shows the dialog and calls |callback| when the dialog closes. The caller
// must ensure the CertificateViewerDialog remains valid until then.
void Show(HWND parent,
net::X509Certificate* cert,
const base::Closure& callback) {
if (IsRunningDialogForOwner(parent)) {
base::ThreadTaskRunnerHandle::Get()->PostTask(FROM_HERE, callback);
return;
}
RunState run_state = BeginRun(parent);
run_state.dialog_thread->task_runner()->PostTaskAndReply(
FROM_HERE,
base::Bind(&CertificateViewerDialog::ShowOnDialogThread,
base::Unretained(this), run_state,
base::WrapRefCounted(cert)),
base::Bind(&CertificateViewerDialog::OnDialogClosed,
base::Unretained(this), run_state, callback));
}
private:
void ShowOnDialogThread(const RunState& run_state,
const scoped_refptr<net::X509Certificate>& cert) {
// Create a new cert context and store containing just the certificate
// and its intermediate certificates.
net::ScopedPCCERT_CONTEXT cert_list(
net::x509_util::CreateCertContextWithChain(cert.get()));
// Perhaps this should show an error instead of silently failing, but it's
// probably not even possible to get here with a cert that can't be
// converted to a CERT_CONTEXT.
if (!cert_list)
return;
CRYPTUI_VIEWCERTIFICATE_STRUCT view_info = {0};
view_info.dwSize = sizeof(view_info);
view_info.hwndParent = run_state.owner;
view_info.dwFlags =
CRYPTUI_DISABLE_EDITPROPERTIES | CRYPTUI_DISABLE_ADDTOSTORE;
view_info.pCertContext = cert_list.get();
HCERTSTORE cert_store = cert_list->hCertStore;
view_info.cStores = 1;
view_info.rghStores = &cert_store;
BOOL properties_changed;
::CryptUIDlgViewCertificate(&view_info, &properties_changed);
}
void OnDialogClosed(const RunState& run_state,
const base::Closure& callback) {
EndRun(run_state);
// May delete |this|.
callback.Run();
}
DISALLOW_COPY_AND_ASSIGN(CertificateViewerDialog);
};
} // namespace
void ShowCertificateViewer(content::WebContents* web_contents,
gfx::NativeWindow parent,
net::X509Certificate* cert) {
CertificateViewerDialog* dialog = new CertificateViewerDialog;
dialog->Show(
parent->GetHost()->GetAcceleratedWidget(), cert,
base::Bind(&base::DeletePointer<CertificateViewerDialog>, dialog));
}
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