(Objective-C) SNS Subscribe SMS Phone Number

Subscribe the phone number of an SMS-enabled device to an SNS topic.

See SNS Subscribe for more information.

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#import <CkoRest.h>
#import <CkoAuthAws.h>
#import <NSString.h>
#import <CkoXml.h>

// This example requires the Chilkat API to have been previously unlocked.
// See Global Unlock Sample for sample code.

CkoRest *rest = [[CkoRest alloc] init];

// Connect to the Amazon AWS REST server.
// such as https://sns.us-west-2.amazonaws.com/
BOOL bTls = YES;
int port = 443;
BOOL bAutoReconnect = YES;
BOOL success = [rest Connect: @"sns.us-west-2.amazonaws.com" port: [NSNumber numberWithInt: port] tls: bTls autoReconnect: bAutoReconnect];

// Provide AWS credentials for the REST call.
CkoAuthAws *authAws = [[CkoAuthAws alloc] init];
authAws.AccessKey = @"AWS_ACCESS_KEY";
authAws.SecretKey = @"AWS_SECRET_KEY";
// the region should match our URL above..
authAws.Region = @"us-west-2";
authAws.ServiceName = @"sns";

[rest SetAuthAws: authAws];

[rest AddQueryParam: @"Action" value: @"Subscribe"];
// Set the Endpoint to the phone number in E.164 format
[rest AddQueryParam: @"Endpoint" value: @"+15552581871"];
[rest AddQueryParam: @"Protocol" value: @"sms"];
[rest AddQueryParam: @"TopicArn" value: @"arn:aws:sns:us-west-2:957491831129:chilkat"];

NSString *responseXml = [rest FullRequestNoBody: @"GET" uriPath: @"/"];
if (rest.LastMethodSuccess != YES) {
    NSLog(@"%@",rest.LastErrorText);
    return;
}

// A successful response will have a status code equal to 200.
if ([rest.ResponseStatusCode intValue] != 200) {
    NSLog(@"%@%d",@"response status code = ",[rest.ResponseStatusCode intValue]);
    NSLog(@"%@%@",@"response status text = ",rest.ResponseStatusText);
    NSLog(@"%@%@",@"response header: ",rest.ResponseHeader);
    NSLog(@"%@%@",@"response body: ",responseXml);
    return;
}

// Examine the successful XML response.
CkoXml *xml = [[CkoXml alloc] init];
[xml LoadXml: responseXml];
NSLog(@"%@",[xml GetXml]);

// To get the SubscriptionArn
NSLog(@"%@%@",@"SubscriptionArn: ",[xml ChilkatPath: @"SubscribeResult|SubscriptionArn|*"]);

// A sample successful response:
// <?xml version="1.0" encoding="utf-8" ?>
// <SubscribeResponse xmlns="http://sns.amazonaws.com/doc/2010-03-31/">
//     <SubscribeResult>
//         <SubscriptionArn>arn:aws:sns:us-west-2:957491831129:chilkat:7eb142f7-2554-4200-a175-bb399588972f</SubscriptionArn>
//     </SubscribeResult>
//     <ResponseMetadata>
//         <RequestId>ceaf538b-1daf-5580-b73f-b347e3733932</RequestId>
//     </ResponseMetadata>
// </SubscribeResponse>