(Objective-C) AWS KMS List Keys

See more AWS KMS Examples

Gets a list of all KMS keys in the caller's AWS account and Region.

For more information, see https://docs.aws.amazon.com/kms/latest/APIReference/API_ListKeys.html

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#import <CkoRest.h>
#import <CkoAuthAws.h>
#import <NSString.h>
#import <CkoJsonObject.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.
// Make sure to use the region that is correct for you.
// such as https://kms.us-west-2.amazonaws.com/
BOOL bTls = YES;
int port = 443;
BOOL bAutoReconnect = YES;
BOOL success = [rest Connect: @"kms.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 = @"kms";

[rest SetAuthAws: authAws];

[rest AddHeader: @"X-Amz-Target" value: @"TrentService.ListKeys"];
[rest AddHeader: @"Content-Type" value: @"application/x-amz-json-1.1"];

NSString *strJson = [rest FullRequestString: @"POST" uriPath: @"/" bodyText: @"{}"];
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: ",strJson);
    return;
}

// Examine the successful JSON response (shown below)
CkoJsonObject *json = [[CkoJsonObject alloc] init];
[json Load: strJson];
json.EmitCompact = NO;

NSLog(@"%@",[json Emit]);

// Sample output:

// {
//   "KeyCount": 4,
//   "Keys": [
//     {
//       "KeyArn": "arn:aws:kms:us-west-2:954491834127:key/082f8520-7afc-4a09-b703-89b7243072e5",
//       "KeyId": "082f8520-7afc-4a09-b703-89b7243072e5"
//     },
//     {
//       "KeyArn": "arn:aws:kms:us-west-2:954491834127:key/17432483-ff08-4950-93d3-f46ebb5e17d1",
//       "KeyId": "17432483-ff08-4950-93d3-f46ebb5e17d1"
//     },
//     {
//       "KeyArn": "arn:aws:kms:us-west-2:954491834127:key/1b0e5b3c-0675-4510-adb6-a75b40a93da0",
//       "KeyId": "1b0e5b3c-0675-4510-adb6-a75b40a93da0"
//     },
//     {
//       "KeyArn": "arn:aws:kms:us-west-2:954491834127:key/265e3993-428b-4581-9466-b1030a53062f",
//       "KeyId": "265e3993-428b-4581-9466-b1030a53062f"
//     },
//   ],
//   "Truncated": false
// }

// Use this online tool to generate parsing code from sample JSON: 
// Generate Parsing Code from JSON

NSString *KeyArn = 0;
NSString *KeyId = 0;

int KeyCount = [[json IntOf: @"KeyCount"] intValue];
BOOL Truncated = [json BoolOf: @"Truncated"];
int i = 0;
int count_i = [[json SizeOfArray: @"Keys"] intValue];
while (i < count_i) {
    json.I = [NSNumber numberWithInt: i];
    KeyArn = [json StringOf: @"Keys[i].KeyArn"];
    KeyId = [json StringOf: @"Keys[i].KeyId"];
    i = i + 1;
}