/**
* 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;
}
private static function send_test_email($params)
{
$to = $params['sendgrid_to'];
if (!Sendgrid_Tools::is_valid_email($to)) {
return array('message' => 'Email address in field "To" is not valid.', 'status' => 'error', 'error_type' => 'sending');
}
$subject = stripslashes($params['sendgrid_subj']);
$body = stripslashes($params['sendgrid_body']);
$headers = $params['sendgrid_headers'];
if (!Sendgrid_Tools::valid_emails_in_headers($headers)) {
return array('message' => 'One or more email addresses in field "headers" are not valid.', 'status' => 'error', 'error_type' => 'sending');
}
if (preg_match('/content-type:\\s*text\\/html/i', $headers)) {
$body_br = nl2br($body);
} else {
$body_br = $body;
}
$sent = wp_mail($to, $subject, $body_br, $headers);
if (true === $sent) {
return array('message' => 'Email was sent.', 'status' => 'updated');
}
return array('message' => 'Email wasn\'t sent.', 'status' => 'error', 'error_type' => 'sending');
}
/**
* 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');
}
/**
* Returns true if all the emails in the headers are valid, false otherwise
*
* @param mixed $headers string or array of headers
*
* @return bool
*/
public static function valid_emails_in_headers($headers)
{
if (!is_array($headers)) {
// Explode the headers out, so this function can take both
// string headers and an array of headers.
$tempheaders = explode("\n", str_replace("\r\n", "\n", $headers));
} else {
$tempheaders = $headers;
}
// If it's actually got contents
if (!empty($tempheaders)) {
// Iterate through the raw headers
foreach ((array) $tempheaders as $header) {
if (false === strpos($header, ':')) {
continue;
}
// Explode them out
list($name, $content) = explode(':', trim($header), 2);
// Cleanup crew
$name = trim($name);
$content = trim($content);
switch (strtolower($name)) {
// Mainly for legacy -- process a From: header if it's there
case 'from':
if (false !== strpos($content, '<')) {
$from_email = substr($content, strpos($content, '<') + 1);
$from_email = str_replace('>', '', $from_email);
$from_email = trim($from_email);
} else {
$from_email = trim($content);
}
if (!Sendgrid_Tools::is_valid_email($from_email)) {
return false;
}
break;
case 'cc':
$cc = explode(',', $content);
foreach ($cc as $key => $recipient) {
if (!Sendgrid_Tools::is_valid_email(trim($recipient))) {
return false;
}
}
break;
case 'bcc':
$bcc = explode(',', $content);
foreach ($bcc as $key => $recipient) {
if (!Sendgrid_Tools::is_valid_email(trim($recipient))) {
return false;
}
}
break;
case 'reply-to':
if (!Sendgrid_Tools::is_valid_email($content)) {
return false;
}
break;
case 'x-smtpapi-to':
$xsmtpapi_tos = explode(',', trim($content));
foreach ($xsmtpapi_tos as $xsmtpapi_to) {
if (!Sendgrid_Tools::is_valid_email($xsmtpapi_to)) {
return false;
}
}
break;
default:
break;
}
}
}
return true;
}
