(Android™) Isabel Connect Create Access Token given Valid Refresh Token

See more Ibanity Examples

Create (refresh) an access token given a valid refresh token.

For more information, see https://documentation.ibanity.com/isabel-connect/api#create-access-token

Chilkat Android™ Downloads Android™ Java Libraries Android C/C++ Libraries

// Important: Don't forget to include the call to System.loadLibrary
// as shown at the bottom of this code sample.
package com.test;

import android.app.Activity;
import com.chilkatsoft.*;

import android.widget.TextView;
import android.os.Bundle;

public class SimpleActivity extends Activity {

  private static final String TAG = "Chilkat";

  // Called when the activity is first created.
  @Override
  public void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);

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

    CkHttp http = new CkHttp();

    // Implements the following CURL command:

    // curl -X POST https://api.ibanity.com/isabel-connect/oauth2/token \
    // --cert certificate.pem:qwertyuiop1 \
    // --key private_key.pem  \
    // -H "Content-Type: application/x-www-form-urlencoded" \
    // -H "Accept: application/vnd.api+json" \
    // -H "Ibanity-Idempotency-Key: 94c5586e-e15e-4bae-a1fe-fdbefe1f11d3"  \
    // -d grant_type=refresh_token \
    // -d refresh_token=valid_refresh_token \
    // -d client_id=valid_client_id \
    // -d client_secret=valid_client_secret

    // Ibanity provides the certificate + private key in PFX format.  This example will use the .pfx instead of the pair of PEM files.
    // (It is also possible to implement using Chilkat with the PEM files, but PFX is easier.)
    CkCert cert = new CkCert();
    boolean success = cert.LoadPfxFile("qa_data/pfx/my_ibanity_certificate.pfx","my_pfx_password");
    if (success == false) {
        Log.i(TAG, cert.lastErrorText());
        return;
        }

    success = http.SetSslClientCert(cert);
    if (success == false) {
        Log.i(TAG, http.lastErrorText());
        return;
        }

    CkHttpRequest req = new CkHttpRequest();
    req.put_HttpVerb("POST");
    req.put_Path("/isabel-connect/oauth2/token");
    req.put_ContentType("application/x-www-form-urlencoded");
    req.AddParam("grant_type","refresh_token");

    // Load the previously obtained refresh token.
    CkJsonObject jsonToken = new CkJsonObject();
    success = jsonToken.LoadFile("qa_data/tokens/isabel_refresh_token.json");
    if (success == false) {
        Log.i(TAG, "No existing access token.");
        return;
        }

    req.AddParam("refresh_token",jsonToken.stringOf("refresh_token"));

    // Note: For sandbox testing, we literally want to use the strings
    // "valid_client_id", and "valid_client_secret".
    // For the live app, you would replace these with actual values.
    req.AddParam("client_id","valid_client_id");
    req.AddParam("client_secret","valid_client_secret");

    req.AddHeader("Accept","application/vnd.api+json");

    CkCrypt2 crypt = new CkCrypt2();
    String idempotencyKey = crypt.generateUuid();
    Log.i(TAG, "Ibanity-Idempotency-Key: " + idempotencyKey);
    req.AddHeader("Ibanity-Idempotency-Key",idempotencyKey);

    CkHttpResponse resp = http.PostUrlEncoded("https://api.ibanity.com/isabel-connect/oauth2/token",req);
    if (http.get_LastMethodSuccess() == false) {
        Log.i(TAG, http.lastErrorText());
        return;
        }

    CkStringBuilder sbResponseBody = new CkStringBuilder();
    resp.GetBodySb(sbResponseBody);
    CkJsonObject jResp = new CkJsonObject();
    jResp.LoadSb(sbResponseBody);
    jResp.put_EmitCompact(false);

    Log.i(TAG, "Response Body:");
    Log.i(TAG, jResp.emit());

    int respStatusCode = resp.get_StatusCode();
    Log.i(TAG, "Response Status Code = " + String.valueOf(respStatusCode));
    if (respStatusCode >= 400) {
        Log.i(TAG, "Response Header:");
        Log.i(TAG, resp.header());
        Log.i(TAG, "Failed.");

        return;
        }

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

    // Notice that we don't get a new refresh token.  The original refresh token is used each time we
    // want to refresh.  However, we get a new access token.  This access token is to be used in Isabel API calls
    // until we need to refresh again.
    // {
    //   "token_type": "Bearer",
    //   "scope": "cloudconnect",
    //   "expires_in": 1799,
    //   "access_token": "access_token_1603365408"
    // }

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

    String token_type = jResp.stringOf("token_type");
    String scope = jResp.stringOf("scope");
    int expires_in = jResp.IntOf("expires_in");
    String access_token = jResp.stringOf("access_token");

    // Save this to a file so we can load in other examples to include the access token in the HTTP request.
    success = jResp.WriteFile("qa_data/tokens/isabel_access_token.json");

  }

  static {
      System.loadLibrary("chilkat");

      // Note: If the incorrect library name is passed to System.loadLibrary,
      // then you will see the following error message at application startup:
      //"The application <your-application-name> has stopped unexpectedly. Please try again."
  }
}