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// Copyright 2012 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef CHROME_BROWSER_SSL_SSL_CLIENT_AUTH_OBSERVER_H_
#define CHROME_BROWSER_SSL_SSL_CLIENT_AUTH_OBSERVER_H_
#include <memory>
#include <set>
#include "base/memory/raw_ptr.h"
#include "base/memory/scoped_refptr.h"
namespace net {
class SSLCertRequestInfo;
class SSLPrivateKey;
class X509Certificate;
}
namespace content {
class BrowserContext;
class ClientCertificateDelegate;
}
// SSLClientAuthObserver is a base class that wraps a
// ClientCertificateDelegate. It links client certificate selection dialogs
// attached to the same BrowserContext. When CertificateSelected is called via
// one of them, the rest simulate the same action.
class SSLClientAuthObserver {
public:
SSLClientAuthObserver(
const content::BrowserContext* browser_context,
const scoped_refptr<net::SSLCertRequestInfo>& cert_request_info,
std::unique_ptr<content::ClientCertificateDelegate> delegate);
SSLClientAuthObserver(const SSLClientAuthObserver&) = delete;
SSLClientAuthObserver& operator=(const SSLClientAuthObserver&) = delete;
virtual ~SSLClientAuthObserver();
// UI should implement this to close the dialog.
virtual void OnCertSelectedByNotification() = 0;
// Continues the request with a certificate. Can also call with nullptr to
// continue with no certificate. Derived classes must use this instead of
// caching the delegate and calling it directly.
void CertificateSelected(net::X509Certificate* cert,
net::SSLPrivateKey* private_key);
// Cancels the certificate selection and aborts the request.
void CancelCertificateSelection();
// Begins observing notifications from other SSLClientAuthObserver instances.
// If another instance chooses a cert for a matching SSLCertRequestInfo, we
// will also use the same cert and OnCertSelectedByNotification will be called
// so that the cert selection UI can be closed.
//
// The caller must call CertificateSelected(), CancelCertificateSelection(),
// or StopObserving() before the SSLClientAuthObserver is destroyed.
void StartObserving();
// Stops observing notifications. We will no longer act on client auth
// notifications.
void StopObserving();
net::SSLCertRequestInfo* cert_request_info() const {
return cert_request_info_.get();
}
private:
void CertificateSelectedWithOtherObserver(
const content::BrowserContext* browser_context,
net::SSLCertRequestInfo* cert_request_info,
net::X509Certificate* certificate,
net::SSLPrivateKey* private_key);
static std::set<SSLClientAuthObserver*>& GetActiveObservers();
raw_ptr<const content::BrowserContext> browser_context_;
scoped_refptr<net::SSLCertRequestInfo> cert_request_info_;
std::unique_ptr<content::ClientCertificateDelegate> delegate_;
};
#endif // CHROME_BROWSER_SSL_SSL_CLIENT_AUTH_OBSERVER_H_
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