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<?php
/*
* @author Azhari Harahap (azhari.harahap@yahoo.com)
* @date Agustus 08, 2010
* @version 0.1 alpha
* @requirement cURL
*/
class Kalkun_API {
protected $base_url = '';
protected $login_url = 'login/index';
protected $sms_url = 'messages/compose_process';
protected $csrf_hash_url = 'kalkun/get_csrf_hash';
protected $session_file = '/tmp/cookies.txt'; // must be writable
protected $username = '';
protected $password = '';
protected $phone_number = '';
protected $message = '';
protected $sms_mode = '0'; // 1 = flash, 0 = normal
//protected $send_date = date('Y-m-d H:i:s');
protected $curl_id = '';
function __construct($params = array())
{
if (count($params) > 0)
{
$this->curl_id = curl_init();
$this->login_url = $params['base_url'].''.$this->login_url;
$this->sms_url = $params['base_url'].''.$this->sms_url;
$this->csrf_hash_url = $params['base_url'].''.$this->csrf_hash_url;
$this->initialize($params);
}
}
function initialize($params = array())
{
if (count($params) > 0)
{
foreach ($params as $key => $val)
{
if (isset($this->$key))
{
$this->$key = $val;
}
}
}
}
function run()
{
if ($this->login())
{
$http_code = $this->send_sms();
if ($http_code < 400)
{
$this->show_message("Message queued successfully.\n");
}
else
{
$this->show_message("Error queuing the message (HTTP_CODE: ${http_code}).\n");
}
}
else
{
$this->show_message("Error during login.\n");
}
$this->finish();
}
function finish()
{
$ch = $this->curl_id;
curl_close($ch);
if (file_exists($this->session_file))
{
unlink($this->session_file);
}
}
function login()
{
$csrf_hash = $this->get_csrf_hash_from_login_form();
$ch = $this->curl_id;
curl_setopt($ch, CURLOPT_URL, $this->login_url);
curl_setopt($ch, CURLOPT_RETURNTRANSFER, TRUE);
curl_setopt($ch, CURLOPT_FOLLOWLOCATION, TRUE);
curl_setopt($ch, CURLOPT_POST, TRUE);
curl_setopt($ch, CURLOPT_COOKIEJAR, $this->session_file);
curl_setopt($ch, CURLOPT_COOKIEFILE, $this->session_file);
$fields = array(
'username' => urlencode($this->username),
'password' => urlencode($this->password),
'kalkun_csrf_tkn' => $csrf_hash,
);
$fields_string = $this->urlify($fields);
curl_setopt($ch, CURLOPT_POSTFIELDS, $fields_string);
$output = curl_exec($ch);
// Check HTTP Response code
$http_code = curl_getinfo($ch, CURLINFO_HTTP_CODE);
if ($http_code >= 400)
{
$this->show_message('ERROR: HTTP_CODE: '.$http_code."\n");
return FALSE;
}
if (strpos($output, 'Please enter your username and password') !== FALSE)
{
$this->show_message("Login failed.\n");
return FALSE;
}
else
{
return TRUE;
}
}
function send_sms()
{
$csrf_hash = $this->get_csrf_hash();
$ch = $this->curl_id;
curl_setopt($ch, CURLOPT_URL, $this->sms_url);
curl_setopt($ch, CURLOPT_RETURNTRANSFER, TRUE);
curl_setopt($ch, CURLOPT_FOLLOWLOCATION, TRUE);
curl_setopt($ch, CURLOPT_POST, TRUE);
curl_setopt($ch, CURLOPT_COOKIEJAR, $this->session_file);
curl_setopt($ch, CURLOPT_COOKIEFILE, $this->session_file);
$sms = array(
'sendoption' => urlencode('sendoption3'),
'manualvalue' => urlencode($this->phone_number),
'senddateoption' => urlencode('option1'),
'sms_mode' => urlencode($this->sms_mode),
'sms_loop' => urlencode('1'),
'validity' => urlencode('-1'),
'message' => urlencode($this->message),
'kalkun_csrf_tkn' => $csrf_hash,
);
$sms_field = $this->urlify($sms);
curl_setopt($ch, CURLOPT_POSTFIELDS, $sms_field);
$output = curl_exec($ch);
return curl_getinfo($ch, CURLINFO_HTTP_CODE);
}
function get_csrf_hash()
{
$ch = $this->curl_id;
curl_setopt($ch, CURLOPT_URL, $this->csrf_hash_url);
curl_setopt($ch, CURLOPT_RETURNTRANSFER, TRUE);
curl_setopt($ch, CURLOPT_FOLLOWLOCATION, TRUE);
curl_setopt($ch, CURLOPT_POST, FALSE);
curl_setopt($ch, CURLOPT_COOKIEJAR, $this->session_file);
curl_setopt($ch, CURLOPT_COOKIEFILE, $this->session_file);
$output = curl_exec($ch);
return json_decode($output);
}
function get_csrf_hash_from_login_form()
{
$ch = $this->curl_id;
curl_setopt($ch, CURLOPT_URL, $this->login_url);
curl_setopt($ch, CURLOPT_RETURNTRANSFER, TRUE);
curl_setopt($ch, CURLOPT_FOLLOWLOCATION, TRUE);
curl_setopt($ch, CURLOPT_POST, FALSE);
curl_setopt($ch, CURLOPT_COOKIEJAR, $this->session_file);
curl_setopt($ch, CURLOPT_COOKIEFILE, $this->session_file);
$output = curl_exec($ch);
// Extract the CSRF Hash from the <input> tag of the HTML
$dom = new DOMDocument();
$dom->loadHTML($output);
$xp = new DOMXpath($dom);
$nodes = $xp->query('//input[@name="kalkun_csrf_tkn"]');
$node = $nodes->item(0);
return $node->getAttribute('value');
}
//url-ify the data for the POST
function urlify($param)
{
$param_string = '';
foreach ($param as $key => $value)
{
$param_string .= $key.'='.$value.'&';
}
rtrim($param_string, '&');
return $param_string;
}
function show_message($message)
{
echo $message;
}
}
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