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// Copyright 2020 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_ASH_NET_NETWORK_DIAGNOSTICS_HTTPS_FIREWALL_ROUTINE_H_
#define CHROME_BROWSER_ASH_NET_NETWORK_DIAGNOSTICS_HTTPS_FIREWALL_ROUTINE_H_
#include <memory>
#include <vector>
#include "base/functional/callback.h"
#include "base/memory/weak_ptr.h"
#include "chrome/browser/ash/net/network_diagnostics/network_diagnostics_routine.h"
#include "chrome/browser/ash/net/network_diagnostics/tls_prober.h"
#include "net/base/host_port_pair.h"
#include "services/network/public/cpp/network_context_getter.h"
namespace network {
namespace mojom {
class NetworkContext;
}
} // namespace network
namespace ash {
namespace network_diagnostics {
// Number of retry attempts.
extern const int kTotalNumRetries;
// Tests whether a firewall is blocking HTTPS port 443.
class HttpsFirewallRoutine : public NetworkDiagnosticsRoutine {
public:
using TlsProberGetterCallback =
base::RepeatingCallback<std::unique_ptr<TlsProber>(
network::NetworkContextGetter network_context_getter,
net::HostPortPair host_port_pair,
bool negotiate_tls,
TlsProber::TlsProbeCompleteCallback callback)>;
explicit HttpsFirewallRoutine(
chromeos::network_diagnostics::mojom::RoutineCallSource source);
HttpsFirewallRoutine(const HttpsFirewallRoutine&) = delete;
HttpsFirewallRoutine& operator=(const HttpsFirewallRoutine&) = delete;
~HttpsFirewallRoutine() override;
// NetworkDiagnosticsRoutine:
chromeos::network_diagnostics::mojom::RoutineType Type() override;
void Run() override;
void AnalyzeResultsAndExecuteCallback() override;
void set_tls_prober_getter_callback_for_testing(
TlsProberGetterCallback tls_prober_getter_callback) {
tls_prober_getter_callback_ = std::move(tls_prober_getter_callback);
}
private:
// Gets the next URL to probe.
void ProbeNextUrl();
// Helper function to launch a TLS probe.
void AttemptProbe(const GURL& url);
// Callback invoked once probe is complete. |url| is only relevant in case
// of probe retries.
void OnProbeComplete(const GURL& url,
int result,
TlsProber::ProbeExitEnum probe_exit_enum);
// Returns the network context.
static network::mojom::NetworkContext* GetNetworkContext();
// Creates an instance of TlsProber.
static std::unique_ptr<TlsProber> CreateAndExecuteTlsProber(
network::NetworkContextGetter network_context_getter,
net::HostPortPair host_port_pair,
bool negotiate_tls,
TlsProber::TlsProbeCompleteCallback callback);
// Returns the weak pointer to |this|.
base::WeakPtr<HttpsFirewallRoutine> weak_ptr() {
return weak_factory_.GetWeakPtr();
}
std::vector<GURL> urls_to_query_;
int num_urls_to_query_ = 0;
int num_retries_ = 0;
int dns_resolution_failures_ = 0;
int tls_probe_failures_ = 0;
int num_no_dns_failure_tls_probes_attempted_ = 0;
TlsProberGetterCallback tls_prober_getter_callback_;
std::unique_ptr<TlsProber> tls_prober_;
std::vector<chromeos::network_diagnostics::mojom::HttpsFirewallProblem>
problems_;
base::WeakPtrFactory<HttpsFirewallRoutine> weak_factory_{this};
};
} // namespace network_diagnostics
} // namespace ash
#endif // CHROME_BROWSER_ASH_NET_NETWORK_DIAGNOSTICS_HTTPS_FIREWALL_ROUTINE_H_
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