(Objective-C) Quickbooks Revoke OAuth2 Token

Demonstrates how to revoke a QuickBooks OAuth2 access token.

For more information, see https://developer.intuit.com/app/developer/qbo/docs/develop/authentication-and-authorization/oauth-2.0#revoke-token-disconnect

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#import <CkoJsonObject.h>
#import <CkoHttp.h>
#import <NSString.h>
#import <CkoHttpResponse.h>

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

// This example assumes we previously obtained an OAuth2 access token for QuickBooks.

CkoJsonObject *jsonToken = [[CkoJsonObject alloc] init];
BOOL success = [jsonToken LoadFile: @"qa_data/tokens/qb-access-token.json"];
if (success != YES) {
    NSLog(@"%@",@"Failed to load qb-access-token.json");
    return;
}

// The access token JSON looks something like this:

// {
//   "expires_in": 3600,
//   "x_refresh_token_expires_in": 8726400,
//   "refresh_token": "L011546037639r ... 3vR2DrbOmg0Sdagw",
//   "access_token": "eyJlbmMiOiJBMTI4Q0 ... oETJEMbeggg",
//   "token_type": "bearer"
// }

// This code sends the following request:

// POST https://developer.api.intuit.com/v2/oauth2/tokens/revoke HTTP/1.1
// Accept: application/json
// Authorization: Basic UTM0dVB...wM1d2
// Content-Type: application/json
// 
// {
//     "token": "{bearerToken or refreshToken}"
// }

// Use this online tool to generate HTTP code from a sample request: 
// Generate Code from a Sample HTTP Request

CkoHttp *http = [[CkoHttp alloc] init];
[http SetRequestHeader: @"Accept" value: @"application/json"];
http.BasicAuth = YES;
http.Login = @"QUICKBOOKS-CLIENT-ID";
http.Password = @"QUICKBOOKS-CLIENT-SECRET";

CkoJsonObject *json = [[CkoJsonObject alloc] init];
[json UpdateString: @"token" value: [jsonToken StringOf: @"access_token"]];

NSString *url = @"https://developer.api.intuit.com/v2/oauth2/tokens/revoke";
CkoHttpResponse *resp = [http PostJson3: url contentType: @"application/json" json: json];
if (http.LastMethodSuccess != YES) {
    NSLog(@"%@",http.LastErrorText);
    return;
}

NSLog(@"%@%d",@"Response status code = ",[resp.StatusCode intValue]);
NSLog(@"%@",@"Response body:");
NSLog(@"%@",resp.BodyStr);