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// Copyright (c) 2012 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef CHROME_BROWSER_EXTENSIONS_API_IDENTITY_IDENTITY_API_H_
#define CHROME_BROWSER_EXTENSIONS_API_IDENTITY_IDENTITY_API_H_
#include <map>
#include <set>
#include <string>
#include <utility>
#include <vector>
#include "base/gtest_prod_util.h"
#include "base/memory/ref_counted.h"
#include "base/memory/weak_ptr.h"
#include "base/observer_list.h"
#include "build/build_config.h"
#include "chrome/browser/extensions/api/identity/extension_token_key.h"
#include "chrome/browser/extensions/api/identity/gaia_web_auth_flow.h"
#include "chrome/browser/extensions/api/identity/identity_get_accounts_function.h"
#include "chrome/browser/extensions/api/identity/identity_get_auth_token_function.h"
#include "chrome/browser/extensions/api/identity/identity_get_profile_user_info_function.h"
#include "chrome/browser/extensions/api/identity/identity_launch_web_auth_flow_function.h"
#include "chrome/browser/extensions/api/identity/identity_mint_queue.h"
#include "chrome/browser/extensions/api/identity/identity_remove_cached_auth_token_function.h"
#include "chrome/browser/extensions/api/identity/web_auth_flow.h"
#include "chrome/browser/extensions/chrome_extension_function.h"
#include "components/signin/core/browser/profile_identity_provider.h"
#include "extensions/browser/browser_context_keyed_api_factory.h"
#include "extensions/browser/event_router.h"
#include "google_apis/gaia/account_tracker.h"
#include "google_apis/gaia/oauth2_mint_token_flow.h"
#include "google_apis/gaia/oauth2_token_service.h"
namespace content {
class BrowserContext;
}
namespace extensions {
class IdentityGetAuthTokenFunction;
class IdentityTokenCacheValue {
public:
IdentityTokenCacheValue();
explicit IdentityTokenCacheValue(const IssueAdviceInfo& issue_advice);
IdentityTokenCacheValue(const std::string& token,
base::TimeDelta time_to_live);
IdentityTokenCacheValue(const IdentityTokenCacheValue& other);
~IdentityTokenCacheValue();
// Order of these entries is used to determine whether or not new
// entries supercede older ones in SetCachedToken.
enum CacheValueStatus {
CACHE_STATUS_NOTFOUND,
CACHE_STATUS_ADVICE,
CACHE_STATUS_TOKEN
};
CacheValueStatus status() const;
const IssueAdviceInfo& issue_advice() const;
const std::string& token() const;
const base::Time& expiration_time() const;
private:
bool is_expired() const;
CacheValueStatus status_;
IssueAdviceInfo issue_advice_;
std::string token_;
base::Time expiration_time_;
};
class IdentityAPI : public BrowserContextKeyedAPI,
public gaia::AccountTracker::Observer {
public:
typedef std::map<ExtensionTokenKey, IdentityTokenCacheValue> CachedTokens;
explicit IdentityAPI(content::BrowserContext* context);
~IdentityAPI() override;
// Request serialization queue for getAuthToken.
IdentityMintRequestQueue* mint_queue();
// Token cache
void SetCachedToken(const ExtensionTokenKey& key,
const IdentityTokenCacheValue& token_data);
void EraseCachedToken(const std::string& extension_id,
const std::string& token);
void EraseAllCachedTokens();
const IdentityTokenCacheValue& GetCachedToken(const ExtensionTokenKey& key);
const CachedTokens& GetAllCachedTokens();
// BrowserContextKeyedAPI implementation.
void Shutdown() override;
static BrowserContextKeyedAPIFactory<IdentityAPI>* GetFactoryInstance();
// gaia::AccountTracker::Observer implementation:
void OnAccountSignInChanged(const gaia::AccountIds& ids,
bool is_signed_in) override;
void set_get_auth_token_function(
IdentityGetAuthTokenFunction* get_auth_token_function) {
get_auth_token_function_ = get_auth_token_function;
}
// TODO(blundell): Eliminate this method once this class is no longer using
// AccountTracker.
// Makes |account_tracker_| aware of this account.
void SetAccountStateForTesting(const std::string& account_id, bool signed_in);
// Callback that is used in testing contexts to test the implementation of
// the chrome.identity.onSignInChanged event. Note that the passed-in Event is
// valid only for the duration of the callback.
using OnSignInChangedCallback = base::RepeatingCallback<void(Event*)>;
void set_on_signin_changed_callback_for_testing(
const OnSignInChangedCallback& callback) {
on_signin_changed_callback_for_testing_ = callback;
}
private:
friend class BrowserContextKeyedAPIFactory<IdentityAPI>;
// BrowserContextKeyedAPI implementation.
static const char* service_name() { return "IdentityAPI"; }
static const bool kServiceIsNULLWhileTesting = true;
content::BrowserContext* browser_context_;
IdentityMintRequestQueue mint_queue_;
CachedTokens token_cache_;
ProfileIdentityProvider profile_identity_provider_;
gaia::AccountTracker account_tracker_;
OnSignInChangedCallback on_signin_changed_callback_for_testing_;
// May be null.
IdentityGetAuthTokenFunction* get_auth_token_function_;
};
template <>
void BrowserContextKeyedAPIFactory<IdentityAPI>::DeclareFactoryDependencies();
} // namespace extensions
#endif // CHROME_BROWSER_EXTENSIONS_API_IDENTITY_IDENTITY_API_H_
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