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<?php /** * Class GOSMTP_Mailer_Mailgun. * * @since 1.0.0 */ namespace GOSMTP\Mailer; use GOSMTP\Mailer\Loader; class Mailgun extends Loader{ var $title = 'Mailgun'; const API_URL_US = 'https://api.mailgun.net/v3/'; const API_URL_EU = 'https://api.eu.mailgun.net/v3/'; var $url = ''; var $mailer = 'mailgun'; public function send(){ global $phpmailer; $phpmailer->isMail(); if ($phpmailer->preSend()) { $this->set_API_Url(); $response = $this->postSend(); return $this->handle_response( $response ); } return $this->handle_response(new \WP_Error(400, 'Unable to send mail for some reason!', [])); } public function postSend(){ global $phpmailer; $content_type = $phpmailer->ContentType; $reply_to = $phpmailer->getReplyToAddresses(); $body = [ 'from' => $phpmailer->From, 'subject' => $phpmailer->Subject, 'h:X-Mailer' => 'GOSMTPMailer - Mailgun', 'h:Content-Type' => $content_type ]; if(stripos($content_type, 'html') === false){ $body['text'] = $phpmailer->Body; }else{ $body['html'] = $phpmailer->Body; } if(!empty($reply_to)){ $body['h:Reply-To'] = $reply_to; } $recipients = [ 'to' => $this->getRecipients($phpmailer->getToAddresses()), 'cc' => $this->getRecipients($phpmailer->getCcAddresses()), 'bcc' => $this->getRecipients($phpmailer->getBccAddresses()) ]; if ($recipients = array_filter($recipients)) { $body = array_merge($body, $recipients); } $timeout = (int) ini_get( 'max_execution_time' ); $params = array( 'headers' => array( 'Authorization' => 'Basic ' . base64_encode('api:' . $this->getOption('api_key', $this->mailer)) ), 'body' => $body, 'timeout' => $timeout ? $timeout : 30, 'httpversion' => '1.1', 'blocking' => true ); $attachments = $phpmailer->getAttachments(); if(!empty($attachments)){ $params = $this->getAttachments($params); } $response = wp_safe_remote_post($this->url, $params); if (is_wp_error($response)) { $returnResponse = new \WP_Error($response->get_error_code(), $response->get_error_message(), $response->get_error_messages()); } else { $responseBody = wp_remote_retrieve_body($response); $responseCode = wp_remote_retrieve_response_code($response); $isOKCode = $responseCode == 200; if($isOKCode) { $responseBody = \json_decode($responseBody, true); } if($isOKCode && isset($responseBody['id'])) { $returnResponse = [ 'status' => true, 'code' => $responseCode, 'messageId' => $responseBody['id'], 'message' => $responseBody['message'], ]; }else{ if(!empty( $responseBody['message'])){ $error_text[] = $this->message_formatting( $responseBody['message'] ); } else { $error_text[] = $this->get_response_error_message($response); } $error_msg = implode( '\r\n', array_map( 'esc_textarea', array_filter( $error_text ) ) ); $returnResponse = new \WP_Error($responseCode, $error_msg, $responseBody); } } return $returnResponse; } public function getRecipients($recipient){ $recipients = $this->filterRecipientsArray($recipient); $array = array_map(function($recipient){ return isset($recipient['name']) ? $recipient['name'] . ' <' . $recipient['address'] . '>' : $recipient['address']; }, $recipients); return implode(', ', $array); } public function getAttachments($params){ global $phpmailer; $data = []; $payload = ''; $attachments = $phpmailer->getAttachments(); foreach($attachments as $attachment){ $file = false; try{ if (is_file($attachment[0]) && is_readable($attachment[0])) { $fileName = basename($attachment[0]); $file = file_get_contents($attachment[0]); } }catch(\Exception $e){ $file = false; } if($file === false){ continue; } $data[] = [ 'content' => $file, 'name' => $fileName, ]; } if(!empty($data)){ $boundary = hash('sha256', uniqid('', true)); foreach($params['body'] as $key => $value){ if(is_array($value)){ foreach($value as $child_key => $child_value){ $payload .= '--' . $boundary; $payload .= "\r\n"; $payload .= 'Content-Disposition: form-data; name="' . $key . "\"\r\n\r\n"; $payload .= $child_value; $payload .= "\r\n"; } }else{ $payload .= '--' . $boundary; $payload .= "\r\n"; $payload .= 'Content-Disposition: form-data; name="' . $key . '"' . "\r\n\r\n"; $payload .= $value; $payload .= "\r\n"; } } foreach($data as $key => $attachment){ $payload .= '--' . $boundary; $payload .= "\r\n"; $payload .= 'Content-Disposition: form-data; name="attachment[' . $key . ']"; filename="' . $attachment['name'] . '"' . "\r\n\r\n"; $payload .= $attachment['content']; $payload .= "\r\n"; } $payload .= '--' . $boundary . '--'; $params['body'] = $payload; $params['headers']['Content-Type'] = 'multipart/form-data; boundary=' . $boundary; } return $params; } public function set_API_Url(){ $url = self::API_URL_US; if($this->getOption('region', $this->mailer) == 'eu'){ $url = self::API_URL_EU; } $url .= sanitize_text_field($this->getOption('domain_name', $this->mailer) . '/messages'); return $this->url = $url; } public function load_field(){ $fields = array( 'api_key' => array( 'title' => __('Private API Key'), 'type' => 'password', 'desc' => __( 'Follow this link to get a Private API Key from Mailgun: <a href="https://app.mailgun.com/app/account/security/api_keys" target="_blank">Get a Private API Key.</a>' ), ), 'domain_name' => array( 'title' => __('Domain Name'), 'type' => 'text', 'desc' => __( 'Follow this link to get a Domain Name from Mailgun: <a href="https://app.mailgun.com/app/domains" target="_blank">Get a Domain Name.</a>' ), ), 'region' => array( 'title' => __('Region'), 'type' => 'radio', 'class' => 'regular-text', 'list' => array( 'us' => 'US', 'eu' => 'EU', ), 'desc' => __( 'Define which endpoint you want to use for sending messages.<br>If you are operating under EU laws, you may be required to use EU region. <a href="https://www.mailgun.com/about/regions/" target="_blank">More information</a> on Mailgun.com.' ), ), ); return $fields; } }

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