GTXiLib/Classes/GTXAnalyticsUtils.m at master · sid-github/GTXiLib · GitHub

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// 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 "GTXAnalyticsUtils.h"

#import "GTXLogging.h"

#import <CommonCrypto/CommonDigest.h>

/**

The endpoint that receives GTXiLib usage data.

static NSString *const kGTXTrackingEndPoint = @"https://ssl.google-analytics.com/collect";

#pragma mark - Implementation

@implementation GTXAnalyticsUtils

/**

@return The clientID to be used by GTXiLib analytics, this is a hash of App's bundle ID.

+ (NSString *)clientID {

static NSString *clientID;

static dispatch_once_t onceToken;

dispatch_once(&onceToken, ^{

NSString *bundleIDMD5 = [[NSBundle mainBundle] bundleIdentifier];

if (!bundleIDMD5) {

// If bundle ID is not available we use a placeholder.

bundleIDMD5 = @"<Missing Bundle ID>";

}

// Get MD5 value of the given string.

unsigned char md5Value[CC_MD5_DIGEST_LENGTH];

const char *stringCPtr = [bundleIDMD5 UTF8String];

CC_MD5(stringCPtr, (CC_LONG)strlen(stringCPtr), md5Value);

// Parse MD5 value into individual hex values.

NSMutableString *stringWithHexMd5Values = [[NSMutableString alloc] init];

for (int i = 0; i < CC_MD5_DIGEST_LENGTH; i++) {

[stringWithHexMd5Values appendFormat:@"%02x", md5Value[i]];

}

clientID = [stringWithHexMd5Values copy];

});

return clientID;

}

/**

Util method to send an analytics event over to Google Analytics.

@param trackingID Google Analytics account tracking ID

@param clientID Client ID to use in the event.

@param category Event category to use in the event.

@param action Event action to use in the event.

@param value Event value to use in the event.

+ (void)sendEventHitWithTrackingID:(NSString *)trackingID

clientID:(NSString *)clientID

category:(NSString *)category

action:(NSString *)action

value:(NSString *)value {

// Initialize the payload with version(=1), tracking ID, client ID, category, action, and value.

NSMutableString *payload = [[NSMutableString alloc] initWithFormat:@"v=1"

@"&t=event"

@"&tid=%@"

@"&cid=%@"

@"&ec=%@"

@"&ea=%@"

@"&ev=%@",

trackingID,

clientID,

category,

action,

value];

NSURLComponents *components = [[NSURLComponents alloc] initWithString:kGTXTrackingEndPoint];

[components setQuery:payload];

NSURL *url = [components URL];

[[[NSURLSession sharedSession] dataTaskWithURL:url

completionHandler:^(NSData *data,

NSURLResponse *response,

NSError *error) {

if (error) {

// Failed to send analytics data, but since the test might be running in a sandboxed

// environment it's not a good idea to freeze or throw assertions, let's just log and

// move on.

GTX_LOG(@"Failed to send analytics data due to: %@", error);

}

}] resume];

}

@end

GTXiLib/Classes/GTXAnalyticsUtils.m at master · sid-github/GTXiLib · GitHub

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