/**
* Method that processes the subscription params
*
* @param mixed $params array of parameters from $_POST
*
* @return void
*/
private function process_subscription($params)
{
$email_split = explode("@", $_POST['sendgrid_mc_email']);
if (isset($email_split[1])) {
$email_domain = $email_split[1];
try {
$Punycode = new Punycode();
$email_domain = $Punycode->decode($email_split[1]);
} catch (Exception $e) {
}
$email = $email_split[0] . '@' . $email_domain;
} else {
$email = $_POST['sendgrid_mc_email'];
}
// Bad call
if (!isset($email) or !Sendgrid_Tools::is_valid_email($email)) {
return self::INVALID_EMAIL_ERROR;
}
if ('true' == Sendgrid_Tools::get_mc_opt_req_fname_lname() and 'true' == Sendgrid_Tools::get_mc_opt_incl_fname_lname()) {
if (!isset($_POST['sendgrid_mc_first_name']) or empty($_POST['sendgrid_mc_first_name'])) {
return self::ERROR_EMAIL_SEND;
}
if (!isset($_POST['sendgrid_mc_last_name']) or empty($_POST['sendgrid_mc_last_name'])) {
return self::ERROR_EMAIL_SEND;
}
}
if (isset($_POST['sendgrid_mc_first_name']) and isset($_POST['sendgrid_mc_last_name'])) {
Sendgrid_OptIn_API_Endpoint::send_confirmation_email($email, $_POST['sendgrid_mc_first_name'], $_POST['sendgrid_mc_last_name']);
} else {
Sendgrid_OptIn_API_Endpoint::send_confirmation_email($email);
}
return self::SUCCESS_EMAIL_SEND;
}
/**
* Send OptIn email
*
* @param string $email Email of subscribed user
* @param string $first_name First Name of subscribed user
* @param string $last_name Last Name of subscribed user
* @return bool
*/
public static function send_confirmation_email($email, $first_name = '', $last_name = '', $from_settings = false)
{
$subject = Sendgrid_Tools::get_mc_signup_email_subject();
$content = Sendgrid_Tools::get_mc_signup_email_content();
$content_text = Sendgrid_Tools::get_mc_signup_email_content_text();
if (false == $subject or false == $content or false == $content_text) {
return false;
}
$subject = stripslashes($subject);
$content = stripslashes($content);
$content_text = stripslashes($content_text);
$to = array($email);
$token = Sendgrid_OptIn_API_Endpoint::generate_email_token($email, $first_name, $last_name);
$transient = get_transient($token);
if ($transient and isset($transient['email']) and !$from_settings) {
return false;
}
if (false == set_transient($token, array('email' => $email, 'first_name' => $first_name, 'last_name' => $last_name), 24 * 60 * 60) and !$from_settings and $transient) {
return false;
}
$confirmation_link = site_url() . '?__sg_api=1&token=' . $token;
$headers = new SendGrid\Email();
$headers->addSubstitution('%confirmation_link%', array($confirmation_link))->addCategory('wp_sendgrid_subscription_widget');
add_filter('sendgrid_mail_text', function () use(&$content_text) {
return $content_text;
});
$result = wp_mail($to, $subject, $content, $headers);
return $result;
}
/**
* Uploads a contact using the parameters specified in the settings page
*
* @param mixed $params array of parameters from $_POST
*
* @return mixed response array with message and status
*/
private static function send_contact_upload_test($params)
{
$email = $params['sendgrid_test_email'];
if (!Sendgrid_Tools::is_valid_email($email)) {
return array('message' => 'Email address provided is invalid.', 'status' => 'error', 'error_type' => 'upload');
}
switch (Sendgrid_Tools::get_auth_method()) {
case 'apikey':
$apikey = Sendgrid_Tools::get_api_key();
if (!Sendgrid_Tools::check_api_key($apikey, true)) {
return array('message' => 'API Key used for mail send is invalid or without permissions.', 'status' => 'error', 'error_type' => 'upload');
}
break;
case 'credentials':
$username = Sendgrid_Tools::get_username();
$password = Sendgrid_Tools::get_password();
if (!Sendgrid_Tools::check_username_password($params['sendgrid_username'], $params['sendgrid_password'], true)) {
return array('message' => 'Credentials used for mail send are invalid.', 'status' => 'error', 'error_type' => 'upload');
}
break;
default:
return array('message' => 'An error occured when trying to check your transactional credentials. Please check that they are correct on the General Settings tab.', 'status' => 'error', 'error_type' => 'upload');
}
if (false == Sendgrid_OptIn_API_Endpoint::send_confirmation_email($email, '', '', true)) {
return array('message' => 'An error occured when trying send the subscription email. Please make sure you have configured all settings properly.', 'status' => 'error', 'error_type' => 'upload');
}
return array('message' => 'Subscription confirmation email was sent.', 'status' => 'updated');
}