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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_H_
#define CHROME_BROWSER_ENTERPRISE_PLATFORM_AUTH_PLATFORM_AUTH_PROVIDER_H_
#include <memory>
#include <vector>
#include "base/functional/callback.h"
#include "chrome/browser/enterprise/platform_auth/platform_auth_provider_manager.h"
#include "url/origin.h"
class GURL;
namespace enterprise_auth {
// An interface to authentication functionality provided by the platform.
class PlatformAuthProvider {
public:
PlatformAuthProvider(const PlatformAuthProvider&) = delete;
PlatformAuthProvider& operator=(const PlatformAuthProvider&) = delete;
virtual ~PlatformAuthProvider() = default;
// A callback run with the results of a call to `FetchOrigins()`. If the arg
// is null, platform-based auth is not supported and no subsequent calls will
// ever succeed. Otherwise, the arg contains zero or more IdP (identity
// provider) / STS (security token service) origins to which auth (SSO) should
// be attempted.
using FetchOriginsCallback =
base::OnceCallback<void(std::unique_ptr<std::vector<url::Origin>>)>;
// Returns true if the provider supports origin filtering. If this returns
// true, `FetchOrigins` must be called to get the set of origins for which
// `GetData` may provide authentication data; otherwise, `GetData` must be
// called on every request.
virtual bool SupportsOriginFiltering() = 0;
// Initiates an asynchronous fetch for IdP/STS origins. `on_fetch_complete`
// will be run on the caller's sequence with the results. Note: destruction of
// this fetcher instance is not guaranteed to prevent the callback from being
// run.
virtual void FetchOrigins(FetchOriginsCallback on_fetch_complete) = 0;
// Initiates an asynchronous fetch for proof of possession cookies and headers
// to present to `url`. `callback` will be run on the caller's sequence
// (possibly synchronously) with the results.
virtual void GetData(
const GURL& url,
PlatformAuthProviderManager::GetDataCallback callback) = 0;
protected:
PlatformAuthProvider() = default;
};
} // namespace enterprise_auth
#endif // CHROME_BROWSER_ENTERPRISE_PLATFORM_AUTH_PLATFORM_AUTH_PROVIDER_H_
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