mirror of
https://github.com/firebase/firebase-ios-sdk
synced 2026-11-09 22:36:01 +05:45
58 lines
1.8 KiB
Objective-C
58 lines
1.8 KiB
Objective-C
/*
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* Copyright 2017 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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// Note: This is forked from FIRMessagingInstanceIDProxy.m
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#import "FUNInstanceIDProxy.h"
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@implementation FUNInstanceIDProxy
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+ (nonnull instancetype)instanceIDProxy {
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static id proxyInstanceID = nil;
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static dispatch_once_t onceToken;
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dispatch_once(&onceToken, ^{
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Class instanceIDClass = NSClassFromString(@"FIRInstanceID");
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if (!instanceIDClass) {
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proxyInstanceID = nil;
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return;
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}
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SEL instanceIDSelector = NSSelectorFromString(@"instanceID");
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if (![instanceIDClass respondsToSelector:instanceIDSelector]) {
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proxyInstanceID = nil;
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return;
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}
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IMP instanceIDImp = [instanceIDClass methodForSelector:instanceIDSelector];
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id (*instanceIDFunc)(id, SEL) = (void *)instanceIDImp;
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proxyInstanceID = instanceIDFunc(instanceIDClass, instanceIDSelector);
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});
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return (FUNInstanceIDProxy *)proxyInstanceID;
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}
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#pragma mark - Tokens
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- (nullable NSString *)token {
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id proxy = [[self class] instanceIDProxy];
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SEL getTokenSelector = NSSelectorFromString(@"token");
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if (![proxy respondsToSelector:getTokenSelector]) {
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return nil;
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}
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IMP getTokenIMP = [proxy methodForSelector:getTokenSelector];
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NSString *(*getToken)(id, SEL) = (void *)getTokenIMP;
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return getToken(proxy, getTokenSelector);
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}
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@end
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