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      1 // Copyright (c) 2011 The Chromium Authors. All rights reserved.
      2 // Use of this source code is governed by a BSD-style license that can be
      3 // found in the LICENSE file.
      4 
      5 #include "chrome/browser/certificate_viewer.h"
      6 
      7 #include <windows.h>
      8 #include <cryptuiapi.h>
      9 #pragma comment(lib, "cryptui.lib")
     10 
     11 #include "base/logging.h"
     12 #include "net/cert/x509_certificate.h"
     13 
     14 #if defined(USE_AURA)
     15 #include "chrome/browser/ui/host_desktop.h"
     16 #include "ui/aura/root_window.h"
     17 #include "ui/aura/window.h"
     18 #endif
     19 
     20 namespace {
     21 
     22 void ShowCertificateViewerImpl(content::WebContents* web_contents,
     23                                HWND parent,
     24                                net::X509Certificate* cert) {
     25   // Create a new cert context and store containing just the certificate
     26   // and its intermediate certificates.
     27   PCCERT_CONTEXT cert_list = cert->CreateOSCertChainForCert();
     28   CHECK(cert_list);
     29 
     30   CRYPTUI_VIEWCERTIFICATE_STRUCT view_info = { 0 };
     31   view_info.dwSize = sizeof(view_info);
     32   // We set our parent to the tab window. This makes the cert dialog created
     33   // in CryptUIDlgViewCertificate modal to the browser.
     34   view_info.hwndParent = parent;
     35   view_info.dwFlags = CRYPTUI_DISABLE_EDITPROPERTIES |
     36                       CRYPTUI_DISABLE_ADDTOSTORE;
     37   view_info.pCertContext = cert_list;
     38   HCERTSTORE cert_store = cert_list->hCertStore;
     39   view_info.cStores = 1;
     40   view_info.rghStores = &cert_store;
     41   BOOL properties_changed;
     42 
     43   // This next call blocks but keeps processing windows messages, making it
     44   // modal to the browser window.
     45   BOOL rv = ::CryptUIDlgViewCertificate(&view_info, &properties_changed);
     46 
     47   CertFreeCertificateContext(cert_list);
     48 }
     49 
     50 }  // namespace
     51 
     52 #if defined(USE_AURA)
     53 void ShowCertificateViewer(content::WebContents* web_contents,
     54                            gfx::NativeWindow parent,
     55                            net::X509Certificate* cert) {
     56   if (chrome::GetHostDesktopTypeForNativeWindow(parent) !=
     57       chrome::HOST_DESKTOP_TYPE_ASH) {
     58     ShowCertificateViewerImpl(
     59         web_contents, parent->GetRootWindow()->GetAcceleratedWidget(), cert);
     60   } else {
     61     NOTIMPLEMENTED();
     62   }
     63 }
     64 #else
     65 void ShowCertificateViewer(content::WebContents* web_contents,
     66                            gfx::NativeWindow parent,
     67                            net::X509Certificate* cert) {
     68   ShowCertificateViewerImpl(web_contents, parent, cert);
     69 }
     70 #endif
     71