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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.h"
#import <GoogleUtilities/GULUserDefaults.h> #import "FIRInstanceIDCheckinService.h" #import "FIRInstanceIDUtilities.h"
const NSTimeInterval kFIRInstanceIDDefaultCheckinInterval = 7 * 24 * 60 * 60; // 7 days.
@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;
// This flag indicates that we have already saved the above deviceID and secret // to our keychain and hence we don't need to save again. This is helpful since // on checkin refresh we can avoid writing to the Keychain which can sometimes // be very buggy. For info check this https://forums.developer.apple.com/thread/4743 @property(nonatomic, readwrite, assign) BOOL hasPreCachedAuthCredentials;
@end
@implementation FIRInstanceIDCheckinPreferences
- (NSDictionary *)checkinPlistContents { NSMutableDictionary *checkinPlistContents = [NSMutableDictionary dictionary]; checkinPlistContents[kFIRInstanceIDDigestStringKey] = self.digest ?: @""; checkinPlistContents[kFIRInstanceIDVersionInfoStringKey] = self.versionInfo ?: @""; checkinPlistContents[kFIRInstanceIDDeviceDataVersionKey] = self.deviceDataVersion ?: @""; checkinPlistContents[kFIRInstanceIDLastCheckinTimeKey] = @(self.lastCheckinTimestampMillis); checkinPlistContents[kFIRInstanceIDGServicesDictionaryKey] = [self.gServicesData count] ? self.gServicesData : @{}; return checkinPlistContents; }
- (BOOL)hasCheckinInfo { return (self.deviceID.length && self.secretToken.length); }
- (BOOL)hasValidCheckinInfo { int64_t currentTimestampInMillis = FIRInstanceIDCurrentTimestampInMilliseconds(); int64_t timeSinceLastCheckinInMillis = currentTimestampInMillis - self.lastCheckinTimestampMillis;
BOOL hasCheckinInfo = [self hasCheckinInfo]; NSString *lastLocale = [[GULUserDefaults standardUserDefaults] stringForKey:kFIRInstanceIDUserDefaultsKeyLocale]; // If it's app's first time open and checkin is already fetched and no locale information is // stored, then checkin info is valid. We should not checkin again because locale is considered // "changed". if (hasCheckinInfo && !lastLocale) { NSString *currentLocale = FIRInstanceIDCurrentLocale(); [[GULUserDefaults standardUserDefaults] setObject:currentLocale forKey:kFIRInstanceIDUserDefaultsKeyLocale]; return YES; }
// If locale has changed, checkin info is no longer valid. // Also update locale information if changed. (Only do it here not in token refresh) if (FIRInstanceIDHasLocaleChanged()) { NSString *currentLocale = FIRInstanceIDCurrentLocale(); [[GULUserDefaults standardUserDefaults] setObject:currentLocale forKey:kFIRInstanceIDUserDefaultsKeyLocale]; return NO; }
return (hasCheckinInfo && (timeSinceLastCheckinInMillis / 1000.0 < kFIRInstanceIDDefaultCheckinInterval)); }
- (void)setHasPreCachedAuthCredentials:(BOOL)hasPreCachedAuthCredentials { _hasPreCachedAuthCredentials = hasPreCachedAuthCredentials; }
@end
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