Chilkat Online Tools

Android / DocuSign eSignature REST API / 02 JWT Access Token

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// 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();
    boolean success;

    CkHttpRequest req = new CkHttpRequest();

    CkJsonObject jsonParam1 = new CkJsonObject();
    req.AddParam("assertion",jsonParam1.emit());
    req.AddParam("grant_type","urn:ietf:params:oauth:grant-type:jwt-bearer");

    req.AddHeader("Authorization","Basic {{encodedKeys}}");

    CkHttpResponse resp = http.PostUrlEncoded("https://{{hostenv}}/oauth/token",req);
    if (http.get_LastMethodSuccess() == false) {
        Log.i(TAG, http.lastErrorText());
        return;
        }

    Log.i(TAG, String.valueOf(resp.get_StatusCode()));
    Log.i(TAG, resp.bodyStr());


  }

  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."
  }
}

Curl Command

curl -X POST
	-H "Authorization: Basic {{encodedKeys}}"
	--data-urlencode 'assertion={{assertionHere}}'
	--data-urlencode 'grant_type=urn:ietf:params:oauth:grant-type:jwt-bearer'
https://{{hostenv}}/oauth/token

Postman Collection Item JSON

{
  "name": "02 JWT Access Token",
  "event": [
    {
      "listen": "test",
      "script": {
        "type": "text/javascript",
        "exec": [
          "var jsonData = JSON.parse(responseBody);",
          "postman.setEnvironmentVariable(\"accessToken\", jsonData.access_token);"
        ]
      }
    }
  ],
  "request": {
    "method": "POST",
    "header": [
      {
        "key": "Authorization",
        "value": "Basic {{encodedKeys}}"
      }
    ],
    "body": {
      "mode": "urlencoded",
      "urlencoded": [
        {
          "key": "assertion",
          "value": "{{assertionHere}}"
        },
        {
          "key": "grant_type",
          "value": "urn:ietf:params:oauth:grant-type:jwt-bearer"
        }
      ]
    },
    "url": {
      "raw": "https://{{hostenv}}/oauth/token",
      "protocol": "https",
      "host": [
        "{{hostenv}}"
      ],
      "path": [
        "oauth",
        "token"
      ]
    }
  },
  "response": [
  ]
}