function sms_twilio_incoming in Twilio SMS Integration 7

Same name and namespace in other branches

1. 6 sms_twilio.module \sms_twilio_incoming()
2. 7.2 sms_twilio.module \sms_twilio_incoming()

Informs the SMS Framework of the incoming SMS

1 string reference to 'sms_twilio_incoming'

sms_twilio_menu in ./sms_twilio.module

Implements hook_menu().

File

./sms_twilio.module, line 204

Adds support for sending SMS messages using the Twilio gateway.

Code

function sms_twilio_incoming() {
  global $base_url;
  if (isset($_REQUEST['From']) and isset($_REQUEST['To']) and isset($_REQUEST['FromCountry']) and isset($_REQUEST['FromCity']) and isset($_REQUEST['FromState']) and isset($_REQUEST['FromZip'])) {

    // Details on validating the Twilio signature: http://www.twilio.com/docs/security
    $gateway = sms_gateways('gateway', 'twilio');
    $config = $gateway['configuration'];
    $string_to_sign = $base_url . "/sms/twilio/incoming";
    ksort($_POST);
    foreach ($_POST as $key => $value) {
      $string_to_sign .= $key . $value;
    }
    $sig = base64_encode(hash_hmac("sha1", $string_to_sign, $config['sms_twilio_api_auth_token'], TRUE));
    $from = $_REQUEST['From'];
    $body = $_REQUEST['Body'];
    if (strcmp($_SERVER["HTTP_X_TWILIO_SIGNATURE"], $sig) != 0) {
      watchdog('sms_twilio', 'Incoming sms from @from has a bad Twilio signature - dropping!', array(
        '@from' => $from,
      ), WATCHDOG_WARNING);
    }
    else {

      // watchdog('sms_twilio', 'Handling incoming sms from '.$from.': '.$body);
      $opts = array();
      $opts['to'] = $_REQUEST['To'];
      $opts['fromcountry'] = $_REQUEST['FromCountry'];
      $opts['fromcity'] = $_REQUEST['FromCity'];
      $opts['fromstate'] = $_REQUEST['FromState'];
      $opts['fromzip'] = $_REQUEST['FromZip'];
      sms_incoming($from, $body, $opts);
    }
  }
}