(Objective-C) AWS Secrets Manager - Get a JSON Secret

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Demonstrates how to fetch the content of a JSON secret from the AWS Secrets Manager.

Note: This example requires Chilkat v10.1.0 or later.

For more information, see https://cknotes.com/chilkat-secrets-class-added-in-version-10-1-0/

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#import <CkoSecrets.h>
#import <CkoJsonObject.h>

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

// The bootstrap secret will contain the following information:

// AWS Region
// AWS Access Key
// AWS Secret Key

// See following examples for setting up a bootstrap secret in memory, 
// or in the local manager (Windows Credentials Manager or Apple Keychain)
// Setup Bootstrap Secret in Local Manager
// Setup Bootstrap Secret in Memory
CkoSecrets *bootstrap = [[CkoSecrets alloc] init];

// Set the location of the bootstrap secret.
// Can be "local_manager" or "memory", depending on how you setup the bootstrap secret.
// ---------------------------------------------------------------------------------------------
// If your operating system is NOT Windows or MacOS/iOS, then change "local_manager" to "memory"
// You can also, if desired, use "memory" on Windows and MacOS/iOS if your bootstrap secret was previously setup in memory.
// ---------------------------------------------------------------------------------------------
bootstrap.Location = @"local_manager";

// Specify the bootstrap secret to be used.
CkoJsonObject *bsId = [[CkoJsonObject alloc] init];
[bsId UpdateString: @"appName" value: @"AWS"];
[bsId UpdateString: @"service" value: @"Example"];
[bsId UpdateString: @"username" value: @"Joe"];

// ----------------------------------------------------
CkoSecrets *secrets = [[CkoSecrets alloc] init];

// Setup for the AWS Secrets Manager
secrets.Location = @"aws_secrets_manager";
BOOL success = [secrets SetBootstrapSecret: bsId secrets: bootstrap];
if (success == NO) {
    NSLog(@"%@",secrets.LastErrorText);
    return;
}

// Specify the secret to be fetched.
CkoJsonObject *json = [[CkoJsonObject alloc] init];
[json UpdateString: @"appName" value: @"MyApp"];
[json UpdateString: @"service" value: @"OAuth2"];
[json UpdateString: @"domain" value: @"onedrive"];
[json UpdateString: @"username" value: @"matt"];

// Get the secret.
CkoJsonObject *jsonSecret = [[CkoJsonObject alloc] init];
success = [secrets GetSecretJson: json jsonOut: jsonSecret];
if (success == NO) {
    NSLog(@"%@",secrets.LastErrorText);
    return;
}

jsonSecret.EmitCompact = NO;
NSLog(@"%@",[jsonSecret Emit]);
NSLog(@"%@",@"Success.");