(Objective-C) hacienda.go.cr Refrescar un Token

Refreshes an access token for the Recepción de Comprobantes Electrónicos del Ministerio de Hacienda (Costa Rica)

For more information, see https://www.hacienda.go.cr/ATV/ComprobanteElectronico/docs/esquemas/2016/v4.3/Guia_IdP.pdf

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

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

// It is assumed we previously obtained an OAuth2 access token.
// This example loads the JSON access token file 
// saved by this example: Get hacienda.co.cr OAuth2 Access Token

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

// The access token JSON looks like this:

// {
//   "access_token": "ey....",
//   "expires_in": 300,
//   "id_token": "ey....",
//   "not-before-policy": 0,
//   "refresh_expires_in": 1800,
//   "refresh_token": "ey...",
//   "session_state": "...",
//   "token_type": "bearer"
// }

CkoHttp *http = [[CkoHttp alloc] init];

// Implements the following CURL command:

// curl -X "POST" "https://idp.comprobanteselectronicos.go.cr/auth/realms/rut-stag/protocol/openid-connect/token" \
//  -H "Content-Type: application/x-www-form-urlencoded; charset=utf-8" \
//  --data-urlencode "client_id=api-stag" \
//  --data-urlencode "refresh_token=ey..." \
//  --data-urlencode "grant_type=refresh_token"

// Use the following online tool to generate HTTP code from a CURL command
// Convert a cURL Command to HTTP Source Code

CkoHttpRequest *req = [[CkoHttpRequest alloc] init];
req.HttpVerb = @"POST";
req.Path = @"/auth/realms/rut-stag/protocol/openid-connect/token";
req.ContentType = @"application/x-www-form-urlencoded";
[req AddParam: @"client_id" value: @"api-stag"];
[req AddParam: @"refresh_token" value: [jsonToken StringOf: @"refresh_token"]];
[req AddParam: @"grant_type" value: @"refresh_token"];

CkoHttpResponse *resp = [http PostUrlEncoded: @"https://idp.comprobanteselectronicos.go.cr/auth/realms/rut-stag/protocol/openid-connect/token" req: req];
if (http.LastMethodSuccess == NO) {
    NSLog(@"%@",http.LastErrorText);
    return;
}

CkoStringBuilder *sbResponseBody = [[CkoStringBuilder alloc] init];
[resp GetBodySb: sbResponseBody];
CkoJsonObject *jResp = [[CkoJsonObject alloc] init];
[jResp LoadSb: sbResponseBody];
jResp.EmitCompact = NO;

NSLog(@"%@",@"Response Body:");
NSLog(@"%@",[jResp Emit]);

int respStatusCode = [resp.StatusCode intValue];
NSLog(@"%@%d",@"Response Status Code = ",respStatusCode);
if (respStatusCode >= 400) {
    NSLog(@"%@",@"Response Header:");
    NSLog(@"%@",resp.Header);
    NSLog(@"%@",@"Failed.");

    return;
}

// Sample JSON response:
// (Sample code for parsing the JSON response is shown below)

// {
//   "access_token": "ey....",
//   "expires_in": 300,
//   "id_token": "ey....",
//   "not-before-policy": 0,
//   "refresh_expires_in": 1800,
//   "refresh_token": "ey...",
//   "session_state": "...",
//   "token_type": "bearer"
// }

// Sample code for parsing the JSON response...
// Use the following online tool to generate parsing code from sample JSON:
// Generate Parsing Code from JSON

NSString *access_token = [jResp StringOf: @"access_token"];
int expires_in = [[jResp IntOf: @"expires_in"] intValue];
NSString *id_token = [jResp StringOf: @"id_token"];
int not_before_policy = [[jResp IntOf: @"not-before-policy"] intValue];
int refresh_expires_in = [[jResp IntOf: @"refresh_expires_in"] intValue];
NSString *refresh_token = [jResp StringOf: @"refresh_token"];
NSString *session_state = [jResp StringOf: @"session_state"];
NSString *token_type = [jResp StringOf: @"token_type"];

// Save the new JSON access token response to a file.
success = [jResp WriteFile: @"qa_data/tokens/haciendda_cr.json"];