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/* * Copyright 2019 Google * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */
#import "FIRInstanceIDCheckinPreferences+Internal.h"
#import "FIRInstanceIDCheckinService.h" #import "FIRInstanceIDUtilities.h"
static NSString *const kCheckinKeychainContentSeparatorString = @"|";
@interface FIRInstanceIDCheckinPreferences ()
@property(nonatomic, readwrite, copy) NSString *deviceID; @property(nonatomic, readwrite, copy) NSString *secretToken; @property(nonatomic, readwrite, copy) NSString *digest; @property(nonatomic, readwrite, copy) NSString *versionInfo; @property(nonatomic, readwrite, copy) NSString *deviceDataVersion;
@property(nonatomic, readwrite, strong) NSMutableDictionary *gServicesData; @property(nonatomic, readwrite, assign) int64_t lastCheckinTimestampMillis;
@end
@implementation FIRInstanceIDCheckinPreferences (Internal)
+ (FIRInstanceIDCheckinPreferences *)preferencesFromKeychainContents:(NSString *)keychainContent { NSString *deviceID = [self checkinDeviceIDFromKeychainContent:keychainContent]; NSString *secret = [self checkinSecretFromKeychainContent:keychainContent]; if ([deviceID length] && [secret length]) { return [[FIRInstanceIDCheckinPreferences alloc] initWithDeviceID:deviceID secretToken:secret]; } else { return nil; } }
- (instancetype)initWithDeviceID:(NSString *)deviceID secretToken:(NSString *)secretToken { self = [super init]; if (self) { self.deviceID = [deviceID copy]; self.secretToken = [secretToken copy]; } return self; }
- (void)reset { self.deviceID = nil; self.secretToken = nil; self.digest = nil; self.versionInfo = nil; self.gServicesData = nil; self.deviceDataVersion = nil; self.lastCheckinTimestampMillis = 0; }
- (void)updateWithCheckinPlistContents:(NSDictionary *)checkinPlistContent { for (NSString *key in checkinPlistContent) { if ([kFIRInstanceIDDigestStringKey isEqualToString:key]) { self.digest = [checkinPlistContent[key] copy]; } else if ([kFIRInstanceIDVersionInfoStringKey isEqualToString:key]) { self.versionInfo = [checkinPlistContent[key] copy]; } else if ([kFIRInstanceIDLastCheckinTimeKey isEqualToString:key]) { self.lastCheckinTimestampMillis = [checkinPlistContent[key] longLongValue]; } else if ([kFIRInstanceIDGServicesDictionaryKey isEqualToString:key]) { self.gServicesData = [checkinPlistContent[key] mutableCopy]; } else if ([kFIRInstanceIDDeviceDataVersionKey isEqualToString:key]) { self.deviceDataVersion = [checkinPlistContent[key] copy]; } // Otherwise we have some keys we don't care about } }
- (NSString *)checkinKeychainContent { if ([self.deviceID length] && [self.secretToken length]) { return [NSString stringWithFormat:@"%@%@%@", self.deviceID, kCheckinKeychainContentSeparatorString, self.secretToken]; } else { return nil; } }
+ (NSString *)checkinDeviceIDFromKeychainContent:(NSString *)keychainContent { return [self checkinKeychainContent:keychainContent forIndex:0]; }
+ (NSString *)checkinSecretFromKeychainContent:(NSString *)keychainContent { return [self checkinKeychainContent:keychainContent forIndex:1]; }
+ (NSString *)checkinKeychainContent:(NSString *)keychainContent forIndex:(int)index { NSArray *keychainComponents = [keychainContent componentsSeparatedByString:kCheckinKeychainContentSeparatorString]; if (index >= 0 && index < 2 && [keychainComponents count] == 2) { return keychainComponents[index]; } else { return nil; } }
@end
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