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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 "FIRInstanceIDCheckinService.h"
#import "FIRInstanceIDUtilities.h"
#import "GoogleUtilities/UserDefaults/Private/GULUserDefaults.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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