E2-2047: update method to get push token for iOS 13 (#316)

Author: e7mac

Example/Tests/Classes/LPActionManagerTest.m

@@ -43,6 +43,7 @@ - (void)didReceiveRemoteNotification:(NSDictionary *)userInfo
                           withAction:(NSString *)action
               fetchCompletionHandler:(LeanplumFetchCompletionBlock)completionHandler;
 - (void)leanplum_application:(UIApplication *)application didRegisterForRemoteNotificationsWithDeviceToken:(NSData *)deviceToken;
+- (NSString *)hexadecimalStringFromData:(NSData *)data;
 @end
 
 @interface LPActionManagerTest : XCTestCase
@@ -309,6 +310,14 @@ - (void)test_active_period_true
 
 }
 
+-(void)testHexadecimalStringFromData {
+    LPActionManager *manager = [[LPActionManager alloc] init];
+    NSString *testString = @"74657374537472696e67";
+    NSData *data = [self hexDataFromString:testString];
+    NSString *parsedString = [manager hexadecimalStringFromData:data];
+    XCTAssertEqualObjects(testString, parsedString);
+}
+
 #pragma mark Helpers
 
 -(NSDictionary *)messageConfigInActivePeriod:(BOOL)inActivePeriod
@@ -324,4 +333,22 @@ -(NSDictionary *)messageConfigInActivePeriod:(BOOL)inActivePeriod
                              };
     return config;
 }
+
+-(NSMutableData*)hexDataFromString:(NSString*)string {
+
+    NSMutableData *hexData= [[NSMutableData alloc] init];
+    unsigned char whole_byte;
+    char byte_chars[3] = {'\0','\0','\0'};
+    int i;
+    for (i=0; i < [string length]/2; i++) {
+        byte_chars[0] = [string characterAtIndex:i*2];
+        byte_chars[1] = [string characterAtIndex:i*2+1];
+        whole_byte = strtol(byte_chars, NULL, 16);
+        [hexData appendBytes:&whole_byte length:1];
+    }
+    return hexData;
+}
+
+
+
 @end

Leanplum-SDK/Classes/Features/Actions/LPActionManager.m

@@ -752,7 +752,7 @@ - (void)didRegisterForRemoteNotificationsWithDeviceToken:(NSData *)token
     }
 
     // Format push token.
-    NSString *formattedToken = [token description];
+    NSString *formattedToken = [self hexadecimalStringFromData:token];
     formattedToken = [[[formattedToken stringByReplacingOccurrencesOfString:@"<" withString:@""]
                        stringByReplacingOccurrencesOfString:@">" withString:@""]
                       stringByReplacingOccurrencesOfString:@" " withString:@""];
@@ -1320,4 +1320,20 @@ - (void)muteFutureMessagesOfKind:(NSString *)messageId
     }
 }
 
+#pragma mark - Helper methods
+- (NSString *)hexadecimalStringFromData:(NSData *)data
+{
+    NSUInteger dataLength = data.length;
+    if (dataLength == 0) {
+        return nil;
+    }
+
+    const unsigned char *dataBuffer = data.bytes;
+    NSMutableString *hexString  = [NSMutableString stringWithCapacity:(dataLength * 2)];
+    for (int i = 0; i < dataLength; ++i) {
+        [hexString appendFormat:@"%02x", dataBuffer[i]];
+    }
+    return [hexString copy];
+}
+
 @end