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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 "FIRInstanceIDUtilities.h"
#if TARGET_OS_IOS || TARGET_OS_TV
#import <UIKit/UIKit.h>
#endif
#import <sys/utsname.h>
#import "FIRInstanceID.h"
#import "FIRInstanceIDConstants.h"
#import "FIRInstanceIDLogger.h"
#import "FirebaseCore/Sources/Private/FirebaseCoreInternal.h"
#import "GoogleUtilities/UserDefaults/Private/GULUserDefaults.h"
// Convert the macro to a string
#define STR_EXPAND(x) #x
#define STR(x) STR_EXPAND(x)
static NSString *const kFIRInstanceIDAPNSSandboxPrefix = @"s_";
static NSString *const kFIRInstanceIDAPNSProdPrefix = @"p_";
/// FIRMessaging Class that responds to the FIRMessaging SDK version selector.
/// Verify at runtime if the class exists and implements the required method.
NSString *const kFIRInstanceIDFCMSDKClassString = @"FIRMessaging";
/// FIRMessaging selector that returns the current FIRMessaging library version.
static NSString *const kFIRInstanceIDFCMSDKVersionSelectorString = @"FIRMessagingSDKVersion";
/// FIRMessaging selector that returns the current device locale.
static NSString *const kFIRInstanceIDFCMSDKLocaleSelectorString = @"FIRMessagingSDKCurrentLocale";
NSString *const kFIRInstanceIDUserDefaultsKeyLocale =
@"com.firebase.instanceid.user_defaults.locale"; // locale key stored in GULUserDefaults
/// Static values which will be populated once retrieved using
/// |FIRInstanceIDRetrieveEnvironmentInfoFromFirebaseCore|.
static NSString *operatingSystemVersion;
static NSString *hardwareDeviceModel;
#pragma mark - URL Helpers
NSString *FIRInstanceIDRegisterServer() {
return @"https://fcmtoken.googleapis.com/register";
}
#pragma mark - Time
int64_t FIRInstanceIDCurrentTimestampInSeconds() {
return (int64_t)[[NSDate date] timeIntervalSince1970];
}
int64_t FIRInstanceIDCurrentTimestampInMilliseconds() {
return (int64_t)(FIRInstanceIDCurrentTimestampInSeconds() * 1000.0);
}
#pragma mark - App Info
NSString *FIRInstanceIDCurrentAppVersion() {
NSString *version = [[NSBundle mainBundle] infoDictionary][@"CFBundleShortVersionString"];
if (![version length]) {
return @"";
}
return version;
}
NSString *FIRInstanceIDBundleIDByRemovingLastPartFrom(NSString *bundleID) {
NSString *bundleIDComponentsSeparator = @".";
NSMutableArray<NSString *> *bundleIDComponents =
[[bundleID componentsSeparatedByString:bundleIDComponentsSeparator] mutableCopy];
[bundleIDComponents removeLastObject];
return [bundleIDComponents componentsJoinedByString:bundleIDComponentsSeparator];
}
NSString *FIRInstanceIDAppIdentifier() {
NSString *bundleID = [[NSBundle mainBundle] bundleIdentifier];
if (!bundleID.length) {
FIRInstanceIDLoggerError(kFIRInstanceIDMessageCodeUtilitiesMissingBundleIdentifier,
@"The mainBundle's bundleIdentifier returned '%@'. Bundle identifier "
@"expected to be non-empty.",
bundleID);
return @"";
}
#if TARGET_OS_WATCH
return FIRInstanceIDBundleIDByRemovingLastPartFrom(bundleID);
#endif
return bundleID;
}
NSString *FIRInstanceIDFirebaseAppID() {
return [FIROptions defaultOptions].googleAppID;
}
#pragma mark - Device Info
// Get the device model from Firebase Core's App Environment Util
NSString *FIRInstanceIDDeviceModel() {
static dispatch_once_t once;
dispatch_once(&once, ^{
struct utsname systemInfo;
if (uname(&systemInfo) == 0) {
hardwareDeviceModel = [NSString stringWithUTF8String:systemInfo.machine];
}
});
return hardwareDeviceModel;
}
// Get the system version from Firebase Core's App Environment Util
NSString *FIRInstanceIDOperatingSystemVersion() {
#if TARGET_OS_IOS || TARGET_OS_TV
return [UIDevice currentDevice].systemVersion;
#elif TARGET_OS_OSX || TARGET_OS_WATCH
return [NSProcessInfo processInfo].operatingSystemVersionString;
#endif
}
BOOL FIRInstanceIDHasLocaleChanged() {
NSString *lastLocale =
[[GULUserDefaults standardUserDefaults] stringForKey:kFIRInstanceIDUserDefaultsKeyLocale];
NSString *currentLocale = FIRInstanceIDCurrentLocale();
if (lastLocale) {
if ([currentLocale isEqualToString:lastLocale]) {
return NO;
}
}
return YES;
}
#pragma mark - Helpers
BOOL FIRInstanceIDIsValidGCMScope(NSString *scope) {
return [scope compare:kFIRInstanceIDScopeFirebaseMessaging
options:NSCaseInsensitiveSearch] == NSOrderedSame;
}
NSString *FIRInstanceIDStringForAPNSDeviceToken(NSData *deviceToken) {
NSMutableString *APNSToken = [NSMutableString string];
unsigned char *bytes = (unsigned char *)[deviceToken bytes];
for (int i = 0; i < (int)deviceToken.length; i++) {
[APNSToken appendFormat:@"%02x", bytes[i]];
}
return APNSToken;
}
NSString *FIRInstanceIDAPNSTupleStringForTokenAndServerType(NSData *deviceToken, BOOL isSandbox) {
if (deviceToken == nil) {
// A nil deviceToken leads to an invalid tuple string, so return nil.
return nil;
}
NSString *prefix = isSandbox ? kFIRInstanceIDAPNSSandboxPrefix : kFIRInstanceIDAPNSProdPrefix;
NSString *APNSString = FIRInstanceIDStringForAPNSDeviceToken(deviceToken);
NSString *APNSTupleString = [NSString stringWithFormat:@"%@%@", prefix, APNSString];
return APNSTupleString;
}
#pragma mark - GCM Helpers
NSString *FIRInstanceIDCurrentGCMVersion() {
Class versionClass = NSClassFromString(kFIRInstanceIDFCMSDKClassString);
SEL versionSelector = NSSelectorFromString(kFIRInstanceIDFCMSDKVersionSelectorString);
if ([versionClass respondsToSelector:versionSelector]) {
IMP getVersionIMP = [versionClass methodForSelector:versionSelector];
NSString *(*getVersion)(id, SEL) = (void *)getVersionIMP;
return getVersion(versionClass, versionSelector);
}
return nil;
}
NSString *FIRInstanceIDCurrentLocale() {
Class localeClass = NSClassFromString(kFIRInstanceIDFCMSDKClassString);
SEL localeSelector = NSSelectorFromString(kFIRInstanceIDFCMSDKLocaleSelectorString);
if ([localeClass respondsToSelector:localeSelector]) {
IMP getLocaleIMP = [localeClass methodForSelector:localeSelector];
NSString *(*getLocale)(id, SEL) = (void *)getLocaleIMP;
NSString *fcmLocale = getLocale(localeClass, localeSelector);
if (fcmLocale != nil) {
return fcmLocale;
}
}
NSString *systemLanguage = [[NSLocale preferredLanguages] firstObject];
if (systemLanguage != nil) {
return systemLanguage;
}
if (@available(macOS 10.12, iOS 10.0, *)) {
return [NSLocale currentLocale].languageCode;
} else {
return nil;
}
}
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