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// Copyright 2022 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_ENTERPRISE_PLATFORM_AUTH_PLATFORM_AUTH_PROVIDER_MANAGER_H_
#define CHROME_BROWSER_ENTERPRISE_PLATFORM_AUTH_PLATFORM_AUTH_PROVIDER_MANAGER_H_
#include <stdint.h>
#include <array>
#include <memory>
#include <optional>
#include <string>
#include <vector>
#include "base/containers/flat_set.h"
#include "base/functional/callback.h"
#include "base/gtest_prod_util.h"
#include "base/memory/weak_ptr.h"
#include "base/sequence_checker.h"
#include "net/http/http_request_headers.h"
#include "url/origin.h"
class GURL;
namespace net {
class HttpRequestHeaders;
} // namespace net
namespace enterprise_auth {
class PlatformAuthProvider;
// Provides a means by which a browser can enable and use platform-based
// authentication (for example Cloud AP SSO on Windows and Enterprise Extensible
// SSO on MacOS).
class PlatformAuthProviderManager {
public:
// Returns the process-wide instance owned by `BrowserMainLoop`.
static PlatformAuthProviderManager& GetInstance();
// Note: do not construct a new instance on demand; use the one returned by
// `GetInstance()`.
PlatformAuthProviderManager();
PlatformAuthProviderManager(const PlatformAuthProviderManager&) = delete;
PlatformAuthProviderManager& operator=(const PlatformAuthProviderManager&) =
delete;
~PlatformAuthProviderManager();
// Enables or disables platform-based auth asynchronously. `on_complete` will
// be run (possibly synchronously) once processing is complete. Conversely,
// `on_complete` will not be run if `SetEnabled()` is called again before a
// previous call is fully processed.
void SetEnabled(bool enabled, base::OnceClosure on_complete);
// Returns true if platform-based authentication is enabled.
bool IsEnabled() const;
// Returns true if `url` corresponds to one of the origins `origins_`.
bool IsEnabledFor(const GURL& url) const;
using GetDataCallback = base::OnceCallback<void(net::HttpRequestHeaders)>;
// Initiates an asynchronous fetch for proof of possession cookies and headers
// to present to `url`. Data will only be fetched if platform-based auth is
// enabled. `callback` will be run on the caller's sequence (possibly
// synchronously) with the results.
void GetData(const GURL& url, GetDataCallback callback) const;
const base::flat_set<url::Origin>& GetOriginsForTesting() { return origins_; }
private:
friend class ScopedSetProviderForTesting;
FRIEND_TEST_ALL_PREFIXES(PlatformAuthProviderManagerTest, DefaultDisabled);
FRIEND_TEST_ALL_PREFIXES(PlatformAuthProviderManagerTest, DisableNoop);
FRIEND_TEST_ALL_PREFIXES(PlatformAuthProviderManagerTest, NotSupported);
FRIEND_TEST_ALL_PREFIXES(PlatformAuthProviderManagerTest,
SupportedWithEmptyOrigins);
FRIEND_TEST_ALL_PREFIXES(PlatformAuthProviderManagerTest, OriginRemoval);
FRIEND_TEST_ALL_PREFIXES(PlatformAuthProviderManagerMetricsTest, Success);
FRIEND_TEST_ALL_PREFIXES(PlatformAuthProviderManagerNoOriginFilteringTest,
OriginFilteringNotSupported);
FRIEND_TEST_ALL_PREFIXES(PlatformAuthNavigationThrottleTest, ManagerDisabled);
FRIEND_TEST_ALL_PREFIXES(PlatformAuthNavigationThrottleTest, EmptyOrigins);
FRIEND_TEST_ALL_PREFIXES(PlatformAuthNavigationThrottleTest, EmptyData);
FRIEND_TEST_ALL_PREFIXES(PlatformAuthNavigationThrottleTest, DataReceived);
explicit PlatformAuthProviderManager(
std::unique_ptr<PlatformAuthProvider> provider);
void StartFetchOrigins();
void OnOrigins(std::unique_ptr<std::vector<url::Origin>> origins);
// Returns the previously-configured instance.
std::unique_ptr<PlatformAuthProvider> SetProviderForTesting(
std::unique_ptr<PlatformAuthProvider> provider);
std::unique_ptr<PlatformAuthProvider> provider_;
bool supports_origin_filtering_;
bool enabled_ = false;
base::OnceClosure on_enable_complete_;
// The collections of IdP/STS origins.
base::flat_set<url::Origin> origins_;
SEQUENCE_CHECKER(sequence_checker_);
base::WeakPtrFactory<PlatformAuthProviderManager> weak_factory_{this};
};
} // namespace enterprise_auth
#endif // CHROME_BROWSER_ENTERPRISE_PLATFORM_AUTH_PLATFORM_AUTH_PROVIDER_MANAGER_H_
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