321 lines
13 KiB
C
321 lines
13 KiB
C
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/*
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* Copyright 2019 Google
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#import <Foundation/Foundation.h>
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NS_ASSUME_NONNULL_BEGIN
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@class FIRInstanceIDResult;
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/**
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* @memberof FIRInstanceID
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*
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* The scope to be used when fetching/deleting a token for Firebase Messaging.
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*/
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FOUNDATION_EXPORT NSString *const kFIRInstanceIDScopeFirebaseMessaging
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NS_SWIFT_NAME(InstanceIDScopeFirebaseMessaging);
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#if defined(__IPHONE_10_0) && __IPHONE_OS_VERSION_MAX_ALLOWED >= __IPHONE_10_0
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/**
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* Called when the system determines that tokens need to be refreshed.
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* This method is also called if Instance ID has been reset in which
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* case, tokens and FCM topic subscriptions also need to be refreshed.
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*
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* Instance ID service will throttle the refresh event across all devices
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* to control the rate of token updates on application servers.
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*/
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FOUNDATION_EXPORT const NSNotificationName kFIRInstanceIDTokenRefreshNotification
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NS_SWIFT_NAME(InstanceIDTokenRefresh);
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#else
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/**
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* Called when the system determines that tokens need to be refreshed.
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* This method is also called if Instance ID has been reset in which
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* case, tokens and FCM topic subscriptions also need to be refreshed.
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*
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* Instance ID service will throttle the refresh event across all devices
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* to control the rate of token updates on application servers.
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*/
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FOUNDATION_EXPORT NSString *const kFIRInstanceIDTokenRefreshNotification
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NS_SWIFT_NAME(InstanceIDTokenRefreshNotification);
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#endif // defined(__IPHONE_10_0) && __IPHONE_OS_VERSION_MAX_ALLOWED >= __IPHONE_10_0
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/**
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* @related FIRInstanceID
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*
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* The completion handler invoked when the InstanceID token returns. If
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* the call fails we return the appropriate `error code` as described below.
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*
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* @param token The valid token as returned by InstanceID backend.
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*
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* @param error The error describing why generating a new token
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* failed. See the error codes below for a more detailed
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* description.
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*/
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typedef void (^FIRInstanceIDTokenHandler)(NSString *__nullable token, NSError *__nullable error)
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NS_SWIFT_NAME(InstanceIDTokenHandler);
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/**
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* @related FIRInstanceID
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*
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* The completion handler invoked when the InstanceID `deleteToken` returns. If
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* the call fails we return the appropriate `error code` as described below
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*
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* @param error The error describing why deleting the token failed.
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* See the error codes below for a more detailed description.
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*/
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typedef void (^FIRInstanceIDDeleteTokenHandler)(NSError *error)
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NS_SWIFT_NAME(InstanceIDDeleteTokenHandler);
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/**
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* @related FIRInstanceID
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*
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* The completion handler invoked when the app identity is created. If the
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* identity wasn't created for some reason we return the appropriate error code.
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*
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* @param identity A valid identity for the app instance, nil if there was an error
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* while creating an identity.
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* @param error The error if fetching the identity fails else nil.
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*/
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typedef void (^FIRInstanceIDHandler)(NSString *__nullable identity, NSError *__nullable error)
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NS_SWIFT_NAME(InstanceIDHandler);
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/**
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* @related FIRInstanceID
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*
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* The completion handler invoked when the app identity and all the tokens associated
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* with it are deleted. Returns a valid error object in case of failure else nil.
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*
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* @param error The error if deleting the identity and all the tokens associated with
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* it fails else nil.
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*/
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typedef void (^FIRInstanceIDDeleteHandler)(NSError *__nullable error)
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NS_SWIFT_NAME(InstanceIDDeleteHandler);
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/**
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* @related FIRInstanceID
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*
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* The completion handler invoked when the app identity and token are fetched. If the
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* identity wasn't created for some reason we return the appropriate error code.
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*
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* @param result The result containing an identity for the app instance and a valid token,
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* nil if there was an error while creating the result.
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* @param error The error if fetching the identity or token fails else nil.
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*/
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typedef void (^FIRInstanceIDResultHandler)(FIRInstanceIDResult *__nullable result,
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NSError *__nullable error)
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NS_SWIFT_NAME(InstanceIDResultHandler);
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/**
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* Public errors produced by InstanceID.
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*/
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typedef NS_ENUM(NSUInteger, FIRInstanceIDError) {
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// Http related errors.
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/// Unknown error.
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FIRInstanceIDErrorUnknown = 0,
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/// Auth Error -- GCM couldn't validate request from this client.
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FIRInstanceIDErrorAuthentication = 1,
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/// NoAccess -- InstanceID service cannot be accessed.
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FIRInstanceIDErrorNoAccess = 2,
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/// Timeout -- Request to InstanceID backend timed out.
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FIRInstanceIDErrorTimeout = 3,
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/// Network -- No network available to reach the servers.
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FIRInstanceIDErrorNetwork = 4,
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/// OperationInProgress -- Another similar operation in progress,
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/// bailing this one.
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FIRInstanceIDErrorOperationInProgress = 5,
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/// InvalidRequest -- Some parameters of the request were invalid.
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FIRInstanceIDErrorInvalidRequest = 7,
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} NS_SWIFT_NAME(InstanceIDError);
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/**
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* A class contains the results of InstanceID and token query.
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*/
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NS_SWIFT_NAME(InstanceIDResult)
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@interface FIRInstanceIDResult : NSObject <NSCopying>
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/**
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* An instanceID uniquely identifies the app instance.
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*/
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@property(nonatomic, readonly, copy) NSString *instanceID;
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/*
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* Returns a Firebase Messaging scoped token for the firebase app.
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*/
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@property(nonatomic, readonly, copy) NSString *token;
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@end
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/**
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* Instance ID provides a unique identifier for each app instance and a mechanism
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* to authenticate and authorize actions (for example, sending an FCM message).
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*
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* Once an InstanceID is generated, the library periodically sends information about the
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* application and the device where it's running to the Firebase backend. To stop this. see
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* `[FIRInstanceID deleteIDWithHandler:]`.
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*
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* Instance ID is long lived but, may be reset if the device is not used for
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* a long time or the Instance ID service detects a problem.
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* If Instance ID is reset, the app will be notified via
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* `kFIRInstanceIDTokenRefreshNotification`.
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*
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* If the Instance ID has become invalid, the app can request a new one and
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* send it to the app server.
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* To prove ownership of Instance ID and to allow servers to access data or
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* services associated with the app, call
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* `[FIRInstanceID tokenWithAuthorizedEntity:scope:options:handler]`.
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*/
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NS_SWIFT_NAME(InstanceID)
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@interface FIRInstanceID : NSObject
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/**
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* FIRInstanceID.
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*
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* @return A shared instance of FIRInstanceID.
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*/
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+ (instancetype)instanceID NS_SWIFT_NAME(instanceID());
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/**
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* Unavailable. Use +instanceID instead.
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*/
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- (instancetype)init __attribute__((unavailable("Use +instanceID instead.")));
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#pragma mark - Tokens
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/**
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* Returns a result of app instance identifier InstanceID and a Firebase Messaging scoped token.
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* param handler The callback handler invoked when an app instanceID and a default token
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* are generated and returned. If instanceID and token fetching fail for some
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* reason the callback is invoked with nil `result` and the appropriate error.
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*/
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- (void)instanceIDWithHandler:(FIRInstanceIDResultHandler)handler;
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/**
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* Returns a Firebase Messaging scoped token for the firebase app.
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*
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* @return Returns the stored token if the device has registered with Firebase Messaging, otherwise
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* returns nil.
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*/
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- (nullable NSString *)token __deprecated_msg("Use instanceIDWithHandler: instead.");
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/**
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* Returns a token that authorizes an Entity (example: cloud service) to perform
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* an action on behalf of the application identified by Instance ID.
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*
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* This is similar to an OAuth2 token except, it applies to the
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* application instance instead of a user.
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*
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* This is an asynchronous call. If the token fetching fails for some reason
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* we invoke the completion callback with nil `token` and the appropriate
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* error.
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*
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* This generates an Instance ID if it does not exist yet, which starts periodically sending
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* information to the Firebase backend (see `[FIRInstanceID getIDWithHandler:]`).
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*
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* Note, you can only have one `token` or `deleteToken` call for a given
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* authorizedEntity and scope at any point of time. Making another such call with the
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* same authorizedEntity and scope before the last one finishes will result in an
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* error with code `OperationInProgress`.
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*
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* @see FIRInstanceID deleteTokenWithAuthorizedEntity:scope:handler:
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*
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* @param authorizedEntity Entity authorized by the token.
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* @param scope Action authorized for authorizedEntity.
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* @param options The extra options to be sent with your token request. The
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* value for the `apns_token` should be the NSData object
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* passed to the UIApplicationDelegate's
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* `didRegisterForRemoteNotificationsWithDeviceToken` method.
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* The value for `apns_sandbox` should be a boolean (or an
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* NSNumber representing a BOOL in Objective C) set to true if
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* your app is a debug build, which means that the APNs
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* device token is for the sandbox environment. It should be
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* set to false otherwise. If the `apns_sandbox` key is not
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* provided, an automatically-detected value shall be used.
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* @param handler The callback handler which is invoked when the token is
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* successfully fetched. In case of success a valid `token` and
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* `nil` error are returned. In case of any error the `token`
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* is nil and a valid `error` is returned. The valid error
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* codes have been documented above.
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*/
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- (void)tokenWithAuthorizedEntity:(NSString *)authorizedEntity
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scope:(NSString *)scope
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options:(nullable NSDictionary *)options
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handler:(FIRInstanceIDTokenHandler)handler;
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/**
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* Revokes access to a scope (action) for an entity previously
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* authorized by `[FIRInstanceID tokenWithAuthorizedEntity:scope:options:handler]`.
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*
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* This is an asynchronous call. Call this on the main thread since InstanceID lib
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* is not thread safe. In case token deletion fails for some reason we invoke the
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* `handler` callback passed in with the appropriate error code.
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*
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* Note, you can only have one `token` or `deleteToken` call for a given
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* authorizedEntity and scope at a point of time. Making another such call with the
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* same authorizedEntity and scope before the last one finishes will result in an error
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* with code `OperationInProgress`.
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*
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* @param authorizedEntity Entity that must no longer have access.
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* @param scope Action that entity is no longer authorized to perform.
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* @param handler The handler that is invoked once the unsubscribe call ends.
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* In case of error an appropriate error object is returned
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* else error is nil.
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*/
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- (void)deleteTokenWithAuthorizedEntity:(NSString *)authorizedEntity
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scope:(NSString *)scope
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handler:(FIRInstanceIDDeleteTokenHandler)handler;
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#pragma mark - Identity
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/**
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* Asynchronously fetch a stable identifier that uniquely identifies the app
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* instance. If the identifier has been revoked or has expired, this method will
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* return a new identifier.
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*
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* Once an InstanceID is generated, the library periodically sends information about the
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* application and the device where it's running to the Firebase backend. To stop this. see
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* `[FIRInstanceID deleteIDWithHandler:]`.
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*
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* @param handler The handler to invoke once the identifier has been fetched.
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* In case of error an appropriate error object is returned else
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* a valid identifier is returned and a valid identifier for the
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* application instance.
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*/
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- (void)getIDWithHandler:(FIRInstanceIDHandler)handler NS_SWIFT_NAME(getID(handler:));
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/**
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* Resets Instance ID and revokes all tokens.
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*
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* This method also triggers a request to fetch a new Instance ID and Firebase Messaging scope
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* token. Please listen to kFIRInstanceIDTokenRefreshNotification when the new ID and token are
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* ready.
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*
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* This stops the periodic sending of data to the Firebase backend that began when the Instance ID
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* was generated. No more data is sent until another library calls Instance ID internally again
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* (like FCM, RemoteConfig or Analytics) or user explicitly calls Instance ID APIs to get an
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* Instance ID and token again.
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*/
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- (void)deleteIDWithHandler:(FIRInstanceIDDeleteHandler)handler NS_SWIFT_NAME(deleteID(handler:));
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@end
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NS_ASSUME_NONNULL_END
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