mirror of
https://github.com/firebase/firebase-ios-sdk
synced 2026-11-10 22:45:59 +05:45
108 lines
3.7 KiB
Objective-C
108 lines
3.7 KiB
Objective-C
/*
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* Copyright 2020 Google LLC
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#import "FirebaseCore/Sources/FIRFirebaseUserAgent.h"
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#import <GoogleUtilities/GULAppEnvironmentUtil.h>
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@interface FIRFirebaseUserAgent ()
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@property(nonatomic, readonly) NSMutableDictionary<NSString *, NSString *> *valuesByComponent;
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@property(nonatomic, readonly) NSDictionary<NSString *, NSString *> *environmentComponents;
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@property(nonatomic, readonly) NSString *firebaseUserAgent;
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@end
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@implementation FIRFirebaseUserAgent
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@synthesize firebaseUserAgent = _firebaseUserAgent;
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@synthesize environmentComponents = _environmentComponents;
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- (instancetype)init {
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self = [super init];
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if (self) {
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_valuesByComponent = [[NSMutableDictionary alloc] init];
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}
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return self;
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}
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- (NSString *)firebaseUserAgent {
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@synchronized(self) {
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if (_firebaseUserAgent == nil) {
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NSMutableDictionary<NSString *, NSString *> *allComponents =
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[self.valuesByComponent mutableCopy];
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[allComponents setValuesForKeysWithDictionary:self.environmentComponents];
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__block NSMutableArray<NSString *> *components =
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[[NSMutableArray<NSString *> alloc] initWithCapacity:self.valuesByComponent.count];
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[allComponents enumerateKeysAndObjectsUsingBlock:^(
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NSString *_Nonnull name, NSString *_Nonnull value, BOOL *_Nonnull stop) {
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[components addObject:[NSString stringWithFormat:@"%@/%@", name, value]];
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}];
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[components sortUsingSelector:@selector(localizedCaseInsensitiveCompare:)];
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_firebaseUserAgent = [components componentsJoinedByString:@" "];
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}
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return _firebaseUserAgent;
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}
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}
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- (void)setValue:(nullable NSString *)value forComponent:(NSString *)componentName {
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@synchronized(self) {
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self.valuesByComponent[componentName] = value;
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// Reset cached user agent string.
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_firebaseUserAgent = nil;
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}
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}
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- (void)reset {
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@synchronized(self) {
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// Reset components.
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_valuesByComponent = [[[self class] environmentComponents] mutableCopy];
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// Reset cached user agent string.
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_firebaseUserAgent = nil;
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}
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}
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#pragma mark - Environment components
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- (NSDictionary<NSString *, NSString *> *)environmentComponents {
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if (_environmentComponents == nil) {
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_environmentComponents = [[self class] environmentComponents];
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}
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return _environmentComponents;
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}
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+ (NSDictionary<NSString *, NSString *> *)environmentComponents {
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NSMutableDictionary<NSString *, NSString *> *components = [NSMutableDictionary dictionary];
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NSDictionary<NSString *, id> *info = [[NSBundle mainBundle] infoDictionary];
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NSString *xcodeVersion = info[@"DTXcodeBuild"];
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NSString *appleSdkVersion = info[@"DTSDKBuild"];
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NSString *isFromAppstoreFlagValue = [GULAppEnvironmentUtil isFromAppStore] ? @"true" : @"false";
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components[@"apple-platform"] = [GULAppEnvironmentUtil applePlatform];
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components[@"apple-sdk"] = appleSdkVersion;
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components[@"appstore"] = isFromAppstoreFlagValue;
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components[@"deploy"] = [GULAppEnvironmentUtil deploymentType];
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components[@"device"] = [GULAppEnvironmentUtil deviceModel];
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components[@"os-version"] = [GULAppEnvironmentUtil systemVersion];
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components[@"xcode"] = xcodeVersion;
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return [components copy];
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}
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@end
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