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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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