function oauth_request_call(){
	
	$form['#multistep'] = TRUE;
  //drupal_set_message('<pre>'. print_r(&$form_state, TRUE) .'</pre>');
    $step = isset($form_state) ? $form_state['values']['step'] : 1;
    // store next strp in hidden field
    
    $form['step'] = array(
  	'#type' => 'hidden',
  	'#value' => $step + 1
    );
     	  
    drupal_set_message('<pre>'. print_r($step, TRUE) .'</pre>');	
  
    // indicator of step number
    $form['indicator'] = array(
  	'#type' => 'fieldset',
  	'#title' => t('Step @number', array('@number' => $step)),
    );
	switch($step){
		case 1:
	$form['indicator']['consumer'] = array(
		'#type' => 'fieldset',
		'#title' => t('consumer details'),
	);
	$form['indicator']['consumer']['consumer_key'] = array(
		'#title' => t('consumer key'),
		'#description' => t('consumer key of user on test server'),
		'#type' => 'textfield',
	);
	$form['indicator']['consumer']['consumer_secret'] = array(
		'#title' => t('consumer secret'),
		'#description' => t('consumer secret of user on test server'),
		'#type' => 'textfield',
	);
	$form['indicator']['endpoints'] = array(
		'#title' => t('end points of testing server'),
		'#type' => 'fieldset',
	);
	$form['indicator']['endpoints']['request_url'] = array(
		'#title' => t('Request URL'),
		'#type' => 'textfield',
		'#weight' => 5,
	);
	break;
	//$form_state['values']['step'] = 2;
	
	
 
 }
	if($step == 2) {
	drupal_set_message('<pre>'. print_r($result_request->data, TRUE) .'</pre>');	
	$form['indicator']['endpoints'] = array(
		'#title' => t('end points of testing server'),
		'#type' => 'fieldset',
	);
	$form['indicator']['endpoints']['auth_url'] = array(
		'#title' => t('Authentication URL'),
		'#type' => 'textfield',
		'#weight' => 6,
	);
	
	$form['indicator']['sig_method'] = array(
		'#title' => t('Please select signature method to use'),
		'#type' => 'radios',
		'#options' => array( 0 => t('HMAC-SHA1'), 1 => t('PLAINTEXT'), 2 => t('RSA-SHA1')),
		'#default_value' => 1,
	);
	$form['indicator']['token'] = array(
		'#type' => 'fieldset',
		'#title' => t('Token and Token secret'),
		'#description' => t('Paste Token and Token Secret from above which are obtained after request call'), 
	);
	$form['indicator']['token']['oauth_token'] = array(
		'#title' => t('OAuth token'), 
		'#description' => t('Please paste token from above which you obtain from request call'),
		'#type' => 'textfield',
		'#weight' => 12,
	);
	$form['indicator']['token']['oauth_token_secret'] = array(
		'#title' => t('OAuth token secret'), 
		'#description' => t('Please paste token secret from above which you obtain from request call'),
		'#type' => 'textfield',
		'#weight' => 13,
	);
	$form['auth_call'] = array(
		'#value' => t('OAuth Authentication Call'),
		'#type' => 'submit',
		'#weight' => 14,
	);
	
 }
	
	if($step == 3){
	$form['indicator']['endpoints']['access_url'] = array(
		'#title' => t('Access URL'),
		'#type' => 'textfield',
		'#weight' => 7,
	);
	$form['access_call'] = array(
		'#value' => t('OAuth Access Token Call'),
		'#type' => 'submit',
		'#weight' => 15,
	);
	
 }	
 
 $form['indicator']['request_call'] = array(
		'#value' => t('Request Token Call'),
		'#title' => t('Make call to server'),
		'#type' => 'submit',
		'#weight' => 10,
	);	
 	switch($step){
 		case 1:
 			$form_state['values']['step'] = 2;
 			break;
 		case 2: 
 			$form['consumer_key'] = array(
 				'#type' => 'hidden',
 				'#value' => $form_values['consumer_key'],
 			);
 			$form['consumer_secret'] = array(
 				'#type' => 'hidden',
 				'#value' => $form_values['consumer_secret'],
 			);
 			$form['request_url'] = array(
 				'#type' => 'hidden',
 				'#value' => $form_values['request_url'],
 			);
 			break;
 		
 		}
 
	return $form;
	
}

function oauth_request_call_submit($form, &$form_state){
	
	$key = $form_state['values']['consumer_key'];
	$secret = $form_state['values']['consumer_secret'];
	$request_url = $form_state['values']['request_url'];
		
	if($form_state['values']['sig_method'] == 0){
	  $user_sig_method = 'HMAC-SHA1';	
		}elseif($form_state['values']['sig_method'] == 1){
	  		$user_sig_method = 'PLAINTEXT';	
		  }elseif($form_state['values']['sig_method'] == 2){
	  		$user_sig_method = 'RSA-SHA1';	
	   }
	$test_token = NULL;
	
	 
	if ($user_sig_method) {
       $sig_method = $sig_methods[$user_sig_method];
       print_r($sig_method);
	}
	
	
	$plaintext_method = new OAuthSignatureMethod_PLAINTEXT();
	//right now doing just for PLAINTEXT
	$sig_method = $plaintext_method;
	
	$token = $form_state['values']['oauth_token'];
    $token_secret = $form_state['values']['oauth_token_secret'];
    
    //drupal_set_message('<pre>'. print_r($sig_method, TRUE) .'</pre>');
	$test_consumer = new OAuthConsumer($key, $secret, NULL);
	
    
    if($form_state['values']['op'] == 'OAuth Authentication Call'){
    	$test_token = new OAuthConsumer($token, $token_secret);
    	//$callback_url = "$base_url/client.php?key=$key&secret=$secret&token=$token&token_secret=$token_secret&endpoint=" . urlencode($endpoint);
    	$callback_url = "$base_url/?q=admin/oauth/services";
  		$auth_url = $form_state['values']['auth_url'] . "/oauth_token=$token&oauth_callback=".urlencode($callback_url);	
    	//$result_auth = drupal_http_request($auth_url, $headers = array(), $method = 'GET', $data = NULL, $retry = 3);
    	//drupal_set_message('<pre>'. print_r($auth_url, TRUE) .'</pre>');
    	drupal_redirect_form($form, $auth_url);
    }elseif($form_state['values']['op'] == 'OAuth Access Token Call'){
    		//drupal_set_message('<pre>'. print_r($form_state['values']['access_url'], TRUE) .'</pre>');
    		$test_token = new OAuthConsumer($form_state['values']['oauth_token'], $form_state['values']['oauth_token_secret']);
    		$parsed = parse_url($form_state['values']['access_url']);
  			$params = array();
  			parse_str($parsed['query'], $params);

  			$acc_req = OAuthRequest::from_consumer_and_token($test_consumer, $test_token, "GET", $form_state['values']['access_url'], $params);
  			$acc_req->sign_request($sig_method, $test_consumer, $test_token);	
    		$result_access = drupal_http_request($acc_req, $headers = array(), $method = 'GET', $data = NULL, $retry = 3);
    		drupal_set_message('<pre>'. print_r($result_access->data, TRUE) .'</pre>');
    		//drupal_redirect_form($form, $acc_req);
    	}
    if($form_state['values']['op'] == 'Request Token Call'){
    $parsed = parse_url($request_url);
    $params = array();
    parse_str($parsed['query'], $params);
    //drupal_set_message('<pre>'. print_r($test_consumer, TRUE) .'</pre>');
    $req_req = OAuthRequest::from_consumer_and_token($test_consumer, NULL, "GET", $request_url, $params);
    $req_req->sign_request($sig_method, $test_consumer, NULL);
    //drupal_set_message('<pre>'. print_r($req_req, TRUE) .'</pre>');
    //drupal_redirect_form($form, $req_req);
    //Header("Location: $req_req");
    $result_request = drupal_http_request($req_req, $headers = array(), $method = 'GET', $data = NULL, $retry = 3);
    //drupal_set_message('<pre>'. print_r($form_state, TRUE) .'</pre>');
    return $result_request;
 }
    

}