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// Copyright 2015 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_CERTIFICATE_PROVIDER_CERTIFICATE_REQUESTS_H_
#define CHROME_BROWSER_CERTIFICATE_PROVIDER_CERTIFICATE_REQUESTS_H_
#include <map>
#include <memory>
#include <string>
#include <vector>
#include "base/functional/callback_forward.h"
#include "net/ssl/client_cert_identity.h"
namespace chromeos {
namespace certificate_provider {
class CertificateRequests {
public:
CertificateRequests();
CertificateRequests(const CertificateRequests&) = delete;
CertificateRequests& operator=(const CertificateRequests&) = delete;
~CertificateRequests();
// Returns the id of the new request. |callback| will be stored with this
// request and be returned by RemoveRequest(). |timeout_callback| will be
// called with the request id if this request times out before
// SetExtensionReplyReceived() was called for all extensions in
// |extension_ids|.
int AddRequest(const std::vector<std::string>& extension_ids,
base::OnceCallback<void(net::ClientCertIdentityList)> callback,
base::OnceCallback<void(int)> timeout_callback);
// Returns whether this reply was expected, i.e. the request with |request_id|
// was waiting for a reply from this extension. If it was expected,
// |completed| is set to whether this request has no more pending replies.
// Otherwise |completed| will be set to false.
bool SetExtensionReplyReceived(const std::string& extension_id,
int request_id,
bool* completed);
// If this request is pending, sets |callback|, drops the request, and returns
// true. Otherwise returns false.
bool RemoveRequest(
int request_id,
base::OnceCallback<void(net::ClientCertIdentityList)>* callback);
// Removes this extension from all pending requests and returns the ids of
// all completed requests.
std::vector<int> DropExtension(const std::string& extension_id);
private:
struct CertificateRequestState;
std::map<int, std::unique_ptr<CertificateRequestState>> requests_;
int next_free_request_id_ = 0;
};
} // namespace certificate_provider
} // namespace chromeos
#endif // CHROME_BROWSER_CERTIFICATE_PROVIDER_CERTIFICATE_REQUESTS_H_
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