summaryrefslogtreecommitdiff
path: root/platform/ios/src/MGLMapboxEvents.m
blob: bb16f77f984f612e8c32eca18ebb7c1ad2465022 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
#import "MGLMapboxEvents.h"
#import "MBXSKUToken.h"
#import "NSBundle+MGLAdditions.h"
#import "MGLAccountManager_Private.h"

static NSString * const MGLAPIClientUserAgentBase = @"mapbox-maps-ios";
static NSString * const MGLMapboxAccountType = @"MGLMapboxAccountType";
static NSString * const MGLMapboxMetricsEnabled = @"MGLMapboxMetricsEnabled";
static NSString * const MGLMapboxMetricsDebugLoggingEnabled = @"MGLMapboxMetricsDebugLoggingEnabled";
static NSString * const MGLTelemetryAccessToken = @"MGLTelemetryAccessToken";
static NSString * const MGLTelemetryBaseURL = @"MGLTelemetryBaseURL";
static NSString * const MGLEventsProfile = @"MMEEventsProfile";
static NSString * const MGLVariableGeofence = @"VariableGeofence";

@interface MGLMapboxEvents ()

@property (nonatomic) MMEEventsManager *eventsManager;
@property (nonatomic) NSURL *baseURL;
@property (nonatomic, copy) NSString *accessToken;

@end
@implementation MGLMapboxEvents


+ (void)initialize {
    if (self == [MGLMapboxEvents class]) {
        NSBundle *bundle = [NSBundle mainBundle];
        NSNumber *accountTypeNumber = [bundle objectForInfoDictionaryKey:MGLMapboxAccountType];
        [[NSUserDefaults standardUserDefaults] registerDefaults:@{MGLMapboxAccountType: accountTypeNumber ?: @0,
                                                                  MGLMapboxMetricsEnabled: @YES,
                                                                  MGLMapboxMetricsDebugLoggingEnabled: @NO}];
    }
}

+ (nullable instancetype)sharedInstance {
    
    static dispatch_once_t onceToken;
    static MGLMapboxEvents *_sharedInstance;
    dispatch_once(&onceToken, ^{
        _sharedInstance = [[self alloc] init];
    });
    return _sharedInstance;
}

- (instancetype)init {
    self = [super init];
    if (self) {
        _eventsManager = [[MMEEventsManager alloc] init];
        _eventsManager.debugLoggingEnabled = [[NSUserDefaults standardUserDefaults] boolForKey:MGLMapboxMetricsDebugLoggingEnabled];
        _eventsManager.accountType = [[NSUserDefaults standardUserDefaults] integerForKey:MGLMapboxAccountType];
        _eventsManager.metricsEnabled = [[NSUserDefaults standardUserDefaults] boolForKey:MGLMapboxMetricsEnabled];
        
        // It is possible for the shared instance of this class to be created because of a call to
        // +[MGLAccountManager load] early on in the app lifecycle of the host application.
        // If user default values for access token and base URL are available, they are stored here
        // on local properties so that they can be applied later once MMEEventsManager is fully initialized
        // (once -[MMEEventsManager initializeWithAccessToken:userAgentBase:hostSDKVersion:] is called.
        // Normally, the telem access token and base URL are not set this way. However, overriding these values
        // with user defaults can be useful for testing with an alternative (test) backend system.
        if ([[[[NSUserDefaults standardUserDefaults] dictionaryRepresentation] allKeys] containsObject:MGLTelemetryAccessToken]) {
            self.accessToken = [[NSUserDefaults standardUserDefaults] objectForKey:MGLTelemetryAccessToken];
        }
        if ([[[[NSUserDefaults standardUserDefaults] dictionaryRepresentation] allKeys] containsObject:MGLTelemetryBaseURL]) {
            self.baseURL = [NSURL URLWithString:[[NSUserDefaults standardUserDefaults] objectForKey:MGLTelemetryBaseURL]];
        }
        
        [[NSNotificationCenter defaultCenter] addObserver:self selector:@selector(userDefaultsDidChange:) name:NSUserDefaultsDidChangeNotification object:nil];
    }
    return self;
}

- (void)dealloc {
    [[NSNotificationCenter defaultCenter] removeObserver:self];
}

- (void)userDefaultsDidChange:(NSNotification *)notification {
    dispatch_async(dispatch_get_main_queue(), ^{
        [self updateNonDisablingConfigurationValues];
        [self updateDisablingConfigurationValuesWithNotification:notification];
    });
}

- (void)updateNonDisablingConfigurationValues {
    self.eventsManager.debugLoggingEnabled = [[NSUserDefaults standardUserDefaults] boolForKey:@"MGLMapboxMetricsDebugLoggingEnabled"];
    
    // It is possible for `MGLTelemetryAccessToken` to have been set yet `userDefaultsDidChange:`
    // is called before `setupWithAccessToken:` is called.
    // In that case, setting the access token here will have no effect. In practice, that's fine
    // because the access token value will be resolved when `setupWithAccessToken:` is called eventually
    if ([[[[NSUserDefaults standardUserDefaults] dictionaryRepresentation] allKeys] containsObject:MGLTelemetryAccessToken]) {
        self.eventsManager.accessToken = [[NSUserDefaults standardUserDefaults] objectForKey:MGLTelemetryAccessToken];
    }
    
    // It is possible for `MGLTelemetryBaseURL` to have been set yet `userDefaultsDidChange:`
    // is called before setupWithAccessToken: is called.
    // In that case, setting the base URL here will have no effect. In practice, that's fine
    // because the base URL value will be resolved when `setupWithAccessToken:` is called eventually
    if ([[[[NSUserDefaults standardUserDefaults] dictionaryRepresentation] allKeys] containsObject:MGLTelemetryBaseURL]) {
        NSURL *baseURL = [NSURL URLWithString:[[NSUserDefaults standardUserDefaults] objectForKey:MGLTelemetryBaseURL]];
        self.eventsManager.baseURL = baseURL;
    }
}

- (void)updateDisablingConfigurationValuesWithNotification:(NSNotification *)notification {
    // Guard against over calling pause / resume if the values this implementation actually
    // cares about have not changed. We guard because the pause and resume method checks CoreLocation's
    // authorization status and that can drag on the main thread if done too many times (e.g. if the host
    // app heavily uses the user defaults API and this method is called very frequently)
    if ([[notification object] respondsToSelector:@selector(objectForKey:)]) {
        NSUserDefaults *userDefaults = [notification object];
        
        NSInteger accountType = [userDefaults integerForKey:MGLMapboxAccountType];
        BOOL metricsEnabled = [userDefaults boolForKey:MGLMapboxMetricsEnabled];
        
        if (accountType != self.eventsManager.accountType || metricsEnabled != self.eventsManager.metricsEnabled) {
            self.eventsManager.accountType = accountType;
            self.eventsManager.metricsEnabled = metricsEnabled;
            
            [self.eventsManager pauseOrResumeMetricsCollectionIfRequired];
        }
    }
}

+ (void)setupWithAccessToken:(NSString *)accessToken {
    int64_t delayTime = 0;
    
    if ([[[NSBundle mainBundle] objectForInfoDictionaryKey:MGLEventsProfile] isEqualToString:MGLVariableGeofence]) {
        delayTime = 10;
    }
    
    dispatch_after(dispatch_time(DISPATCH_TIME_NOW, (int64_t)(delayTime * NSEC_PER_SEC)), dispatch_get_main_queue(), ^{
        NSString *semanticVersion = [NSBundle mgl_frameworkInfoDictionary][@"MGLSemanticVersionString"];
        NSString *shortVersion = [NSBundle mgl_frameworkInfoDictionary][@"CFBundleShortVersionString"];
        NSString *sdkVersion = semanticVersion ?: shortVersion;
        
        // It is possible that an alternative access token was already set on this instance when the class was loaded
        // Use it if it exists
        NSString *resolvedAccessToken = [MGLMapboxEvents sharedInstance].accessToken ?: accessToken;
        
        [[[self sharedInstance] eventsManager] initializeWithAccessToken:resolvedAccessToken userAgentBase:MGLAPIClientUserAgentBase hostSDKVersion:sdkVersion];
        
        // It is possible that an alternative base URL was set on this instance when the class was loaded
        // Use it if it exists
        if ([MGLMapboxEvents sharedInstance].baseURL) {
            [[MGLMapboxEvents sharedInstance] eventsManager].baseURL = [MGLMapboxEvents sharedInstance].baseURL;
        }

        if (MGLAccountManager.isAccountsSDKEnabled) {
            [[self sharedInstance] eventsManager].skuId = MBXAccountsMapsSKUIDMaps;
        }
        
        [self flush];
    });
}

+ (void)pushTurnstileEvent {
    [[[self sharedInstance] eventsManager] sendTurnstileEvent];
}

+ (void)pushEvent:(NSString *)event withAttributes:(MMEMapboxEventAttributes *)attributeDictionary {
    [[[self sharedInstance] eventsManager] enqueueEventWithName:event attributes:attributeDictionary];
}

+ (void)flush {
    [[[self sharedInstance] eventsManager] flush];
}

+ (void)ensureMetricsOptoutExists {
    NSNumber *shownInAppNumber = [[NSBundle mainBundle] objectForInfoDictionaryKey:@"MGLMapboxMetricsEnabledSettingShownInApp"];
    BOOL metricsEnabledSettingShownInAppFlag = [shownInAppNumber boolValue];
    
    if (!metricsEnabledSettingShownInAppFlag &&
        [[NSUserDefaults standardUserDefaults] integerForKey:MGLMapboxAccountType] == 0) {
        // Opt-out is not configured in UI, so check for Settings.bundle
        id defaultEnabledValue;
        NSString *appSettingsBundle = [[NSBundle mainBundle] pathForResource:@"Settings" ofType:@"bundle"];
        
        if (appSettingsBundle) {
            // Dynamic Settings.bundle loading based on http://stackoverflow.com/a/510329/2094275
            NSDictionary *settings = [NSDictionary dictionaryWithContentsOfFile:[appSettingsBundle stringByAppendingPathComponent:@"Root.plist"]];
            NSArray *preferences = settings[@"PreferenceSpecifiers"];
            for (NSDictionary *prefSpecification in preferences) {
                if ([prefSpecification[@"Key"] isEqualToString:MGLMapboxMetricsEnabled]) {
                    defaultEnabledValue = prefSpecification[@"DefaultValue"];
                }
            }
        }
        
        if (!defaultEnabledValue) {
            [NSException raise:@"Telemetry opt-out missing" format:
             @"End users must be able to opt out of Mapbox Telemetry in your app, either inside Settings (via Settings.bundle) or inside this app. "
             @"By default, this opt-out control is included as a menu item in the attribution action sheet. "
             @"If you reimplement the opt-out control inside this app, disable this assertion by setting MGLMapboxMetricsEnabledSettingShownInApp to YES in Info.plist."
             @"\n\nSee https://docs.mapbox.com/help/how-mapbox-works/attribution/#mapbox-maps-sdk-for-ios for more information."
             @"\n\nAdditionally, by hiding this attribution control you agree to display the required attribution elsewhere in this app."];
        }
    }
}

@end