content/public/browser/cert_store.h

   1 // Copyright (c) 2012 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 #ifndef CONTENT_PUBLIC_BROWSER_CERT_STORE_H_
   6 #define CONTENT_PUBLIC_BROWSER_CERT_STORE_H_
   7
   8 #include "base/memory/ref_counted.h"
   9 #include "content/common/content_export.h"
  10
  11 namespace net {
  12 class X509Certificate;
  13 }
  14
  15 namespace content {
  16
  17 // The purpose of the cert store is to provide an easy way to store/retrieve
  18 // X509Certificate objects.  When stored, an X509Certificate object is
  19 // associated with a RenderProcessHost.  If all the RenderProcessHosts
  20 // associated with the cert have exited, the cert is removed from the store.
  21 // This class is used by the SSLManager to keep track of the certs associated
  22 // to loaded resources.
  23 // It can be accessed from the UI and IO threads (it is thread-safe).
  24 // Note that the cert ids will overflow if we register more than 2^32 - 1 certs
  25 // in 1 browsing session (which is highly unlikely to happen).
  26 class CertStore  {
  27  public:
  28   // Returns the singleton instance of the CertStore.
  29   CONTENT_EXPORT static CertStore* GetInstance();
  30
  31   // Stores the specified cert and returns the id associated with it.  The cert
  32   // is associated to the specified RenderProcessHost.
  33   // When all the RenderProcessHosts associated with a cert have exited, the
  34   // cert is removed from the store.
  35   // Note: ids starts at 1.
  36   virtual int StoreCert(net::X509Certificate* cert,
  37                         int render_process_host_id) = 0;
  38
  39   // Tries to retrieve the previously stored cert associated with the specified
  40   // |cert_id|. Returns whether the cert could be found, and, if |cert| is
  41   // non-nullptr, copies it in.
  42   virtual bool RetrieveCert(int cert_id,
  43                             scoped_refptr<net::X509Certificate>* cert) = 0;
  44
  45  protected:
  46    virtual ~CertStore() {}
  47 };
  48
  49 }  // namespace content
  50
  51 #endif  // CONTENT_PUBLIC_BROWSER_CERT_STORE_H_