request_action)
{
$this->request_action = $this->_get_action();
}
return $this->request_action;
}
private function _get_action()
{
switch (@$_POST['action'])
{
case EnvayaSMS::ACTION_INCOMING:
return new EnvayaSMS_Action_Incoming($this);
case EnvayaSMS::ACTION_OUTGOING:
return new EnvayaSMS_Action_Outgoing($this);
case EnvayaSMS::ACTION_SEND_STATUS:
return new EnvayaSMS_Action_SendStatus($this);
default:
return new EnvayaSMS_Action($this);
}
}
function get_phone_number()
{
return @$_POST['phone_number'];
}
function is_validated($correct_password)
{
$signature = @$_SERVER['HTTP_X_REQUEST_SIGNATURE'];
if (!$signature)
{
return false;
}
$is_secure = (!empty($_SERVER['HTTPS']) AND filter_var($_SERVER['HTTPS'], FILTER_VALIDATE_BOOLEAN));
$protocol = $is_secure ? 'https' : 'http';
$full_url = $protocol . "://" . $_SERVER['HTTP_HOST'] . $_SERVER['REQUEST_URI'];
$correct_signature = $this->compute_signature($full_url, $_POST, $correct_password);
//error_log("Correct signature: '$correct_signature'");
return $signature === $correct_signature;
}
function compute_signature($url, $data, $password)
{
ksort($data);
$input = $url;
foreach($data as $key => $value)
$input .= ",$key=$value";
$input .= ",$password";
//error_log("Signed data: '$input'");
return base64_encode(sha1($input, true));
}
}
class EnvayaSMS_OutgoingMessage
{
public $id = ''; // ID generated by server
public $to; // destination phone number
public $message; // content of SMS message
}
class EnvayaSMS_Action
{
public $type;
public $request;
function __construct($request)
{
$this->request = $request;
}
}
class EnvayaSMS_Action_Test extends EnvayaSMS_Action
{
function __construct($request)
{
parent::__construct($request);
$this->type = EnvayaSMS::ACTION_TEST;
}
}
class EnvayaSMS_MMS_Part
{
public $form_name; // name of form field with MMS part content
public $cid; // MMS Content-ID
public $type; // Content type
public $filename; // Original filename of MMS part on sender phone
public $tmp_name; // Temporary file where MMS part content is stored
public $size; // Content length
public $error; // see http://www.php.net/manual/en/features.file-upload.errors.php
function __construct($args)
{
$this->form_name = $args['name'];
$this->cid = $args['cid'];
$this->type = $args['type'];
$this->filename = $args['filename'];
$file = $_FILES[$this->form_name];
$this->tmp_name = $file['tmp_name'];
$this->size = $file['size'];
$this->error = $file['error'];
}
}
class EnvayaSMS_Action_Incoming extends EnvayaSMS_Action
{
public $from; // Sender phone number
public $message; // The message body of the SMS, or the content of the text/plain part of the MMS.
public $message_type; // EnvayaSMS::MESSAGE_TYPE_MMS or EnvayaSMS::MESSAGE_TYPE_SMS
public $mms_parts; // array of EnvayaSMS_MMS_Part instances
function __construct($request)
{
parent::__construct($request);
$this->type = EnvayaSMS::ACTION_INCOMING;
$this->from = $_POST['from'];
$this->message = $_POST['message'];
$this->message_type = $_POST['message_type'];
if ($this->message_type == EnvayaSMS::MESSAGE_TYPE_MMS)
{
$this->mms_parts = array();
foreach (json_decode($_POST['mms_parts'], true) as $mms_part)
{
$this->mms_parts[] = new EnvayaSMS_MMS_Part($mms_part);
}
}
}
function get_response_xml($messages)
{
ob_start();
echo "\n";
echo "";
foreach ($messages as $message)
{
echo "".EnvayaSMS::escape($message->message)."";
}
echo "";
return ob_get_clean();
}
}
class EnvayaSMS_Action_Outgoing extends EnvayaSMS_Action
{
function __construct($request)
{
parent::__construct($request);
$this->type = EnvayaSMS::ACTION_OUTGOING;
}
function get_response_xml($messages)
{
ob_start();
echo "\n";
echo "";
foreach ($messages as $message)
{
echo "".
EnvayaSMS::escape($message->message)."";
}
echo "";
return ob_get_clean();
}
}
class EnvayaSMS_Action_SendStatus extends EnvayaSMS_Action
{
public $status; // EnvayaSMS::STATUS_* values
public $id; // server ID previously used in EnvayaSMS_OutgoingMessage
function __construct($request)
{
parent::__construct($request);
$this->type = EnvayaSMS::ACTION_SEND_STATUS;
$this->status = $_POST['status'];
$this->id = $_POST['id'];
}
}