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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 CONTENT_BROWSER_SSL_SSL_CLIENT_AUTH_HANDLER_H_
#define CONTENT_BROWSER_SSL_SSL_CLIENT_AUTH_HANDLER_H_
#include <memory>
#include "base/functional/callback.h"
#include "base/memory/raw_ptr.h"
#include "base/memory/ref_counted.h"
#include "base/memory/weak_ptr.h"
#include "content/public/browser/browser_thread.h"
#include "content/public/browser/web_contents.h"
#include "net/ssl/client_cert_identity.h"
#include "net/ssl/ssl_cert_request_info.h"
namespace net {
class ClientCertStore;
class SSLPrivateKey;
class X509Certificate;
} // namespace net
namespace content {
// This class handles the approval and selection of a certificate for SSL client
// authentication by the user. Should only be used on the UI thread. If the
// SSLClientAuthHandler is destroyed before the certificate is selected, the
// selection is canceled and the delegate never called.
class SSLClientAuthHandler {
public:
// Delegate interface for SSLClientAuthHandler. Method implementations may
// delete the handler when called.
class Delegate {
public:
Delegate() {}
Delegate(const Delegate&) = delete;
Delegate& operator=(const Delegate&) = delete;
// Called to continue the request with |cert|. |cert| may be nullptr.
virtual void ContinueWithCertificate(
scoped_refptr<net::X509Certificate> cert,
scoped_refptr<net::SSLPrivateKey> private_key) = 0;
// Called to cancel the certificate selection and abort the request.
virtual void CancelCertificateSelection() = 0;
protected:
virtual ~Delegate() {}
};
// Creates a new SSLClientAuthHandler. The caller ensures that the handler
// does not outlive `delegate`.
// `browser_context` is always set, but may become invalid if the caller is
// destroyed. `web_contents` may be null for cases where the calling context
// is not associated with a document, such as service workers. If
// `web_contents` is not null, it is guaranteed to be associated with the same
// BrowserContext as `browser_context`.
// `process_id` corresponds to the ID of the renderer process initiating the
// request.
SSLClientAuthHandler(std::unique_ptr<net::ClientCertStore> client_cert_store,
base::WeakPtr<BrowserContext> browser_context,
int process_id,
base::WeakPtr<WebContents> web_contents,
net::SSLCertRequestInfo* cert_request_info,
Delegate* delegate);
SSLClientAuthHandler(const SSLClientAuthHandler&) = delete;
SSLClientAuthHandler& operator=(const SSLClientAuthHandler&) = delete;
~SSLClientAuthHandler();
// Selects a certificate and resumes the URL request with that certificate.
void SelectCertificate();
private:
class ClientCertificateDelegateImpl;
// Called when |core_| is done retrieving the cert list.
void DidGetClientCerts(net::ClientCertIdentityList client_certs);
void DidGetClientCertsOnPostTask(net::ClientCertIdentityList client_certs);
// A callback that may be set by the UI implementation. If set, the callback
// will cancel the dialog corresponding to this certificate request.
base::OnceClosure cancellation_callback_;
base::WeakPtr<BrowserContext> browser_context_;
const int process_id_;
base::WeakPtr<WebContents> web_contents_;
// The certs to choose from.
scoped_refptr<net::SSLCertRequestInfo> cert_request_info_;
// The ClientCertStore to retrieve the certs from.
std::unique_ptr<net::ClientCertStore> client_cert_store_;
// The delegate to call back with the result.
raw_ptr<Delegate> delegate_;
base::WeakPtrFactory<SSLClientAuthHandler> weak_factory_{this};
};
} // namespace content
#endif // CONTENT_BROWSER_SSL_SSL_CLIENT_AUTH_HANDLER_H_
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