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<?php |
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/** |
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* Mailgun-wordpress-plugin - Sending mail from Wordpress using Mailgun |
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* Copyright (C) 2016 Mailgun, et al. |
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* |
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* This program is free software; you can redistribute it and/or modify |
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* it under the terms of the GNU General Public License as published by |
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* the Free Software Foundation; either version 2 of the License, or |
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* (at your option) any later version. |
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* |
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* This program is distributed in the hope that it will be useful, |
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* but WITHOUT ANY WARRANTY; without even the implied warranty of |
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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* GNU General Public License for more details. |
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* |
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* You should have received a copy of the GNU General Public License along |
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* with this program; if not, write to the Free Software Foundation, Inc., |
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. |
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* |
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* @package Mailgun |
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*/ |
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|
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// Include MG filter functions |
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if ( ! include __DIR__ . '/mg-filter.php') { |
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( new Mailgun() )->deactivate_and_die(__DIR__ . '/mg-filter.php'); |
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} |
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|
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/** |
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* g_api_last_error is a compound getter/setter for the last error that was |
| 30 |
* encountered during a Mailgun API call. |
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* |
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* @param string|null $error OPTIONAL |
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* @return string|null Last error that occurred. |
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* @since 1.5.0 |
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*/ |
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function mg_api_last_error( ?string $error = null ): ?string { |
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static $last_error; |
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|
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if (null === $error) { |
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return $last_error; |
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} |
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|
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do_action('mailgun_error_track', $error); |
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$tmp = $last_error; |
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$last_error = $error; |
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|
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return $tmp; |
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} |
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|
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/* |
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* Wordpress filter to mutate a `To` header to use recipient variables. |
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* Uses the `mg_use_recipient_vars_syntax` filter to apply the actual |
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* change. Otherwise, just a list of `To` addresses will be returned. |
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* |
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* @param string|array $to_addrs Array or comma-separated list of email addresses to mutate. |
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* |
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* @return array Array containing list of `To` addresses and recipient vars array |
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* |
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* @since 1.5.7 |
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*/ |
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add_filter('mg_mutate_to_rcpt_vars', 'mg_mutate_to_rcpt_vars_cb'); |
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|
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/** |
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* @param string|array $to_addrs Array or comma-separated list of email addresses to mutate. |
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* @return array |
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* @throws JsonException |
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*/ |
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function mg_mutate_to_rcpt_vars_cb( $to_addrs ): array { |
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if (is_string($to_addrs)) { |
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$to_addrs = explode(',', $to_addrs); |
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} |
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|
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if (has_filter('mg_use_recipient_vars_syntax')) { |
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$rcpt_vars = []; |
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$use_rcpt_vars = apply_filters('mg_use_recipient_vars_syntax', null); |
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if ($use_rcpt_vars) { |
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|
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$idx = 0; |
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foreach ($to_addrs as $addr) { |
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$rcpt_vars[ $addr ] = array( 'batch_msg_id' => $idx ); |
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++$idx; |
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} |
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|
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return array( |
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'to' => '%recipient%', |
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'rcpt_vars' => json_encode($rcpt_vars, JSON_THROW_ON_ERROR), |
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); |
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} |
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} |
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|
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return array( |
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'to' => $to_addrs, |
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'rcpt_vars' => null, |
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); |
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} |
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|
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/** |
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* wp_mail function to be loaded in to override the core wp_mail function |
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* from wp-includes/pluggable.php. |
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* |
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* Based off of the core wp_mail function, but with modifications required to |
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* send email using the Mailgun HTTP API |
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* |
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* @param string|array $to Array or comma-separated list of email addresses to send message. |
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* @param string $subject Email subject |
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* @param string $message Message contents |
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* @param string|array $headers Optional. Additional headers. |
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* @param string|array $attachments Optional. Files to attach. |
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* |
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* @return bool Whether the email contents were sent successfully. |
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* |
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* @global PHPMailer\PHPMailer\PHPMailer $phpmailer |
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*/ |
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if ( ! function_exists('wp_mail')) { |
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|
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/** |
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* @param string $to |
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* @param string $subject |
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* @param mixed $message |
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* @param array $headers |
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* @param array $attachments |
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* @return bool |
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* @throws \PHPMailer\PHPMailer\Exception |
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*/ |
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function wp_mail( $to, $subject, $message, $headers = '', $attachments = []) { |
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$mailgun = get_option('mailgun'); |
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$region = ( defined('MAILGUN_REGION') && MAILGUN_REGION ) ? MAILGUN_REGION : $mailgun['region']; |
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$apiKey = ( defined('MAILGUN_APIKEY') && MAILGUN_APIKEY ) ? MAILGUN_APIKEY : $mailgun['apiKey']; |
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$domain = ( defined('MAILGUN_DOMAIN') && MAILGUN_DOMAIN ) ? MAILGUN_DOMAIN : $mailgun['domain']; |
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|
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if (empty($apiKey) || empty($domain)) { |
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return false; |
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} |
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|
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// If a region is not set via defines or through the options page, default to US region. |
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if ( ! ( $region )) { |
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error_log('[Mailgun] No region configuration was found! Defaulting to US region.'); |
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$region = 'us'; |
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} |
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|
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// Respect WordPress core filters |
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$atts = apply_filters( 'wp_mail', compact( 'to', 'subject', 'message', 'headers', 'attachments' ) ); |
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|
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if (isset($atts['to'])) { |
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$to = $atts['to']; |
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} |
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|
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if ( ! is_array($to)) { |
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$to = explode(',', $to); |
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} |
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|
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if (isset($atts['subject'])) { |
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$subject = $atts['subject']; |
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} |
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|
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if (isset($atts['message'])) { |
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$message = $atts['message']; |
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} |
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|
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if (isset($atts['headers'])) { |
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$headers = $atts['headers']; |
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} |
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|
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if (isset($atts['attachments'])) { |
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$attachments = $atts['attachments']; |
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} |
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|
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if ( ! is_array($attachments)) { |
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$attachments = explode("\n", str_replace("\r\n", "\n", $attachments)); |
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} |
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|
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$cc = []; |
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$bcc = []; |
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|
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// Headers |
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if (empty($headers)) { |
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$headers = []; |
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} else { |
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if ( ! is_array($headers)) { |
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// Explode the headers out, so this function can take both |
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// string headers and an array of headers. |
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$tempheaders = explode("\n", str_replace("\r\n", "\n", $headers)); |
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} else { |
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$tempheaders = $headers; |
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} |
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$headers = []; |
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$cc = []; |
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$bcc = []; |
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|
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// If it's actually got contents |
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if ( ! empty($tempheaders)) { |
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// Iterate through the raw headers |
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foreach ( (array) $tempheaders as $header) { |
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if (strpos($header, ':') === false) { |
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if (false !== stripos($header, 'boundary=')) { |
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$parts = preg_split('/boundary=/i', trim($header)); |
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$boundary = trim(str_replace(array( "'", '"' ), '', $parts[1])); |
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} |
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continue; |
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} |
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// Explode them out |
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[$name, $content] = explode(':', trim($header), 2); |
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|
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// Cleanup crew |
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$name = trim($name); |
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$content = trim($content); |
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|
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switch (strtolower($name)) { |
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// Mainly for legacy -- process a From: header if it's there |
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case 'from': |
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if (strpos($content, '<') !== false) { |
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$from_name = substr($content, 0, strpos($content, '<') - 1); |
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$from_name = str_replace('"', '', $from_name); |
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$from_name = trim($from_name); |
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|
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$from_email = substr($content, strpos($content, '<') + 1); |
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$from_email = str_replace('>', '', $from_email); |
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$from_email = trim($from_email); |
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} else { |
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$from_email = trim($content); |
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} |
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break; |
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case 'content-type': |
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if (strpos($content, ';') !== false) { |
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[$type, $charset] = explode(';', $content); |
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$content_type = trim($type); |
| 227 |
if (false !== stripos($charset, 'charset=')) { |
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$charset = trim(str_replace(array( 'charset=', '"' ), '', $charset)); |
| 229 |
} elseif (false !== stripos($charset, 'boundary=')) { |
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$boundary = trim(str_replace(array( 'BOUNDARY=', 'boundary=', '"' ), '', $charset)); |
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$charset = ''; |
| 232 |
} |
| 233 |
} else { |
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$content_type = trim($content); |
| 235 |
} |
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break; |
| 237 |
case 'cc': |
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$cc = array_merge( (array) $cc, explode(',', $content)); |
| 239 |
break; |
| 240 |
case 'bcc': |
| 241 |
$bcc = array_merge( (array) $bcc, explode(',', $content)); |
| 242 |
break; |
| 243 |
default: |
| 244 |
// Add it to our grand headers array |
| 245 |
$headers[ trim($name) ] = trim($content); |
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break; |
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} |
| 248 |
} |
| 249 |
} |
| 250 |
} |
| 251 |
|
| 252 |
if ( ! isset($from_name)) { |
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$from_name = null; |
| 254 |
} |
| 255 |
|
| 256 |
if ( ! isset($from_email)) { |
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$from_email = null; |
| 258 |
} |
| 259 |
|
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$from_name = mg_detect_from_name($from_name); |
| 261 |
$from_email = mg_detect_from_address($from_email); |
| 262 |
$fromString = "{$from_name} <{$from_email}>"; |
| 263 |
|
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$body = array( |
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'from' => $fromString, |
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'h:Sender' => $from_email, |
| 267 |
'to' => $to, |
| 268 |
'subject' => $subject, |
| 269 |
); |
| 270 |
|
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$rcpt_data = apply_filters('mg_mutate_to_rcpt_vars', $to); |
| 272 |
if ( ! is_null($rcpt_data['rcpt_vars'])) { |
| 273 |
$body['recipient-variables'] = $rcpt_data['rcpt_vars']; |
| 274 |
} |
| 275 |
|
| 276 |
$body['o:tag'] = []; |
| 277 |
if (defined('MAILGUN_TRACK_CLICKS')) { |
| 278 |
$trackClicks = MAILGUN_TRACK_CLICKS; |
| 279 |
} else { |
| 280 |
$trackClicks = ! empty($mailgun['track-clicks']) ? $mailgun['track-clicks'] : 'no'; |
| 281 |
} |
| 282 |
if (defined('MAILGUN_TRACK_OPENS')) { |
| 283 |
$trackOpens = MAILGUN_TRACK_OPENS; |
| 284 |
} else { |
| 285 |
$trackOpens = empty($mailgun['track-opens']) ? 'no' : 'yes'; |
| 286 |
} |
| 287 |
|
| 288 |
if (isset($mailgun['suppress_clicks']) && $mailgun['suppress_clicks'] === 'yes') { |
| 289 |
$passwordResetSubject = __('Password Reset Request', 'mailgun') ?: __( 'Password Reset Request', 'woocommerce' ); |
| 290 |
if ( ! empty($passwordResetSubject) && stripos($subject, $passwordResetSubject) !== false) { |
| 291 |
$trackClicks = 'no'; |
| 292 |
} |
| 293 |
} |
| 294 |
|
| 295 |
$body['o:tracking-clicks'] = $trackClicks; |
| 296 |
$body['o:tracking-opens'] = $trackOpens; |
| 297 |
|
| 298 |
// this is the wordpress site tag |
| 299 |
if (isset($mailgun['tag'])) { |
| 300 |
$tags = explode(',', str_replace(' ', '', $mailgun['tag'])); |
| 301 |
$body['o:tag'] = $tags; |
| 302 |
} |
| 303 |
|
| 304 |
// campaign-id now refers to a list of tags which will be appended to the site tag |
| 305 |
if ( ! empty($mailgun['campaign-id'])) { |
| 306 |
$tags = explode(',', str_replace(' ', '', $mailgun['campaign-id'])); |
| 307 |
if (empty($body['o:tag'])) { |
| 308 |
$body['o:tag'] = $tags; |
| 309 |
} elseif (is_array($body['o:tag'])) { |
| 310 |
$body['o:tag'] = array_merge($body['o:tag'], $tags); |
| 311 |
} else { |
| 312 |
$body['o:tag'] .= ',' . implode(',', $tags); |
| 313 |
} |
| 314 |
} |
| 315 |
|
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/** |
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* Filter tags. |
| 318 |
* |
| 319 |
* @param array $tags Mailgun tags. |
| 320 |
* @param string $to To address. |
| 321 |
* @param string $subject Subject line. |
| 322 |
* @param string $message Message content. |
| 323 |
* @param array $headers Headers array. |
| 324 |
* @param array $attachments Attachments array. |
| 325 |
* @param string $region Mailgun region. |
| 326 |
* @param string $domain Mailgun domain. |
| 327 |
* |
| 328 |
* @return array Mailgun tags. |
| 329 |
*/ |
| 330 |
$body['o:tag'] = apply_filters('mailgun_tags', $body['o:tag'], $to, $subject, $message, $headers, $attachments, $region, $domain); |
| 331 |
|
| 332 |
if ( ! empty($cc) && is_array($cc)) { |
| 333 |
$body['cc'] = implode(', ', $cc); |
| 334 |
} |
| 335 |
|
| 336 |
if ( ! empty($bcc) && is_array($bcc)) { |
| 337 |
$body['bcc'] = implode(', ', $bcc); |
| 338 |
} |
| 339 |
|
| 340 |
// If we are not given a Content-Type in the supplied headers, |
| 341 |
// write the message body to a file and try to determine the mimetype |
| 342 |
// using get_mime_content_type. |
| 343 |
if ( ! isset($content_type)) { |
| 344 |
$tmppath = tempnam(get_temp_dir(), 'mg'); |
| 345 |
$tmp = fopen($tmppath, 'w+'); |
| 346 |
|
| 347 |
fwrite($tmp, $message); |
| 348 |
fclose($tmp); |
| 349 |
|
| 350 |
$content_type = get_mime_content_type($tmppath, 'text/plain'); |
| 351 |
|
| 352 |
unlink($tmppath); |
| 353 |
} |
| 354 |
|
| 355 |
// Allow external content type filter to function normally |
| 356 |
if (has_filter('wp_mail_content_type')) { |
| 357 |
$content_type = apply_filters( |
| 358 |
'wp_mail_content_type', |
| 359 |
$content_type |
| 360 |
); |
| 361 |
} |
| 362 |
|
| 363 |
if ('text/plain' === $content_type) { |
| 364 |
$body['text'] = $message; |
| 365 |
} elseif ('text/html' === $content_type) { |
| 366 |
$body['html'] = $message; |
| 367 |
} else { |
| 368 |
$body['text'] = $message; |
| 369 |
$body['html'] = $message; |
| 370 |
} |
| 371 |
|
| 372 |
// Some plugins, such as WooCommerce (@see WC_Email::handle_multipart()), to handle multipart/alternative with html |
| 373 |
// and plaintext messages hooks into phpmailer_init action to override AltBody property directly in $phpmailer, |
| 374 |
// so we should allow them to do this, and then get overridden plain text body from $phpmailer. |
| 375 |
// Partly, this logic is taken from original wp_mail function. |
| 376 |
if (false !== stripos($content_type, 'multipart')) { |
| 377 |
global $phpmailer; |
| 378 |
|
| 379 |
// (Re)create it, if it's gone missing. |
| 380 |
if ( ! ( $phpmailer instanceof PHPMailer\PHPMailer\PHPMailer )) { |
| 381 |
require_once ABSPATH . WPINC . '/PHPMailer/PHPMailer.php'; |
| 382 |
require_once ABSPATH . WPINC . '/PHPMailer/SMTP.php'; |
| 383 |
require_once ABSPATH . WPINC . '/PHPMailer/Exception.php'; |
| 384 |
$phpmailer = new PHPMailer\PHPMailer\PHPMailer(true); |
| 385 |
|
| 386 |
$phpmailer::$validator = static function ( $email ) { |
| 387 |
return (bool) is_email($email); |
| 388 |
}; |
| 389 |
} |
| 390 |
|
| 391 |
/** |
| 392 |
* Fires after PHPMailer is initialized. |
| 393 |
* |
| 394 |
* @param PHPMailer $phpmailer The PHPMailer instance (passed by reference). |
| 395 |
*/ |
| 396 |
do_action_ref_array('phpmailer_init', array( &$phpmailer )); |
| 397 |
|
| 398 |
$plainTextMessage = $phpmailer->AltBody; |
| 399 |
|
| 400 |
if ($plainTextMessage) { |
| 401 |
$body['text'] = $plainTextMessage; |
| 402 |
} |
| 403 |
} |
| 404 |
|
| 405 |
// If we don't have a charset from the input headers |
| 406 |
if ( ! isset($charset)) { |
| 407 |
$charset = get_bloginfo('charset'); |
| 408 |
} |
| 409 |
|
| 410 |
// Set the content-type and charset |
| 411 |
$charset = apply_filters('wp_mail_charset', $charset); |
| 412 |
if (isset($headers['Content-Type'])) { |
| 413 |
if ( ! strstr($headers['Content-Type'], 'charset')) { |
| 414 |
$headers['Content-Type'] = rtrim($headers['Content-Type'], '; ') . "; charset={$charset}"; |
| 415 |
} |
| 416 |
} |
| 417 |
|
| 418 |
$replyTo = ( defined('MAILGUN_REPLY_TO_ADDRESS') && MAILGUN_REPLY_TO_ADDRESS ) ? MAILGUN_REPLY_TO_ADDRESS : get_option('reply_to'); |
| 419 |
if ( ! empty($replyTo)) { |
| 420 |
$headers['Reply-To'] = $replyTo; |
| 421 |
} |
| 422 |
|
| 423 |
// Set custom headers |
| 424 |
if ( ! empty($headers)) { |
| 425 |
foreach ( (array) $headers as $name => $content) { |
| 426 |
$body[ "h:{$name}" ] = $content; |
| 427 |
} |
| 428 |
} |
| 429 |
|
| 430 |
/* |
| 431 |
* Deconstruct post array and create POST payload. |
| 432 |
* This entire routine is because wp_remote_post does |
| 433 |
* not support files directly. |
| 434 |
*/ |
| 435 |
|
| 436 |
$payload = ''; |
| 437 |
|
| 438 |
// First, generate a boundary for the multipart message. |
| 439 |
$boundary = hash('sha256', uniqid('', true)); |
| 440 |
|
| 441 |
// Allow other plugins to apply body changes before creating the payload. |
| 442 |
$body = apply_filters('mg_mutate_message_body', $body); |
| 443 |
if (($body_payload = mg_build_payload_from_body($body, $boundary)) != null) { |
| 444 |
$payload .= $body_payload; |
| 445 |
} |
| 446 |
|
| 447 |
// Allow other plugins to apply attachment changes before writing to the payload. |
| 448 |
$attachments = apply_filters('mg_mutate_attachments', $attachments); |
| 449 |
if (($attachment_payload = mg_build_attachments_payload($attachments, $boundary)) != null) { |
| 450 |
$payload .= $attachment_payload; |
| 451 |
} |
| 452 |
|
| 453 |
$payload .= '--' . $boundary . '--'; |
| 454 |
|
| 455 |
$data = array( |
| 456 |
'body' => $payload, |
| 457 |
'headers' => array( |
| 458 |
'Authorization' => 'Basic ' . base64_encode("api:{$apiKey}"), |
| 459 |
'Content-Type' => 'multipart/form-data; boundary=' . $boundary, |
| 460 |
), |
| 461 |
); |
| 462 |
|
| 463 |
$endpoint = mg_api_get_region($region); |
| 464 |
$endpoint = ( $endpoint ) ?: 'https://api.mailgun.net/v3/'; |
| 465 |
$url = $endpoint . "{$domain}/messages"; |
| 466 |
|
| 467 |
$isFallbackNeeded = false; |
| 468 |
try { |
| 469 |
$response = wp_remote_post($url, $data); |
| 470 |
if (is_wp_error($response)) { |
| 471 |
// Store WP error in last error. |
| 472 |
mg_api_last_error($response->get_error_message()); |
| 473 |
|
| 474 |
$isFallbackNeeded = true; |
| 475 |
} |
| 476 |
|
| 477 |
$response_code = wp_remote_retrieve_response_code($response); |
| 478 |
$response_body = json_decode(wp_remote_retrieve_body($response)); |
| 479 |
|
| 480 |
if ( (int) $response_code !== 200 || ! isset($response_body->message)) { |
| 481 |
// Store response code and HTTP response message in last error. |
| 482 |
$response_message = wp_remote_retrieve_response_message($response); |
| 483 |
$errmsg = "$response_code - $response_message"; |
| 484 |
mg_api_last_error($errmsg); |
| 485 |
|
| 486 |
$isFallbackNeeded = true; |
| 487 |
} |
| 488 |
if ($response_body->message !== 'Queued. Thank you.') { |
| 489 |
mg_api_last_error($response_body->message); |
| 490 |
|
| 491 |
$isFallbackNeeded = true; |
| 492 |
} |
| 493 |
} catch (Throwable $throwable) { |
| 494 |
$isFallbackNeeded = true; |
| 495 |
} |
| 496 |
|
| 497 |
// Email Fallback |
| 498 |
if (!$isFallbackNeeded) return true; |
| 499 |
|
| 500 |
$isFallbackEnabled = get_option('email_fallback') ?: 'no'; |
| 501 |
if (!($isFallbackEnabled === 'yes')) return false; |
| 502 |
|
| 503 |
global $phpmailer; |
| 504 |
|
| 505 |
// (Re)create it, if it's gone missing. |
| 506 |
if ( ! ( $phpmailer instanceof PHPMailer\PHPMailer\PHPMailer )) { |
| 507 |
require_once ABSPATH . WPINC . '/PHPMailer/PHPMailer.php'; |
| 508 |
require_once ABSPATH . WPINC . '/PHPMailer/SMTP.php'; |
| 509 |
require_once ABSPATH . WPINC . '/PHPMailer/Exception.php'; |
| 510 |
$phpmailer = new PHPMailer\PHPMailer\PHPMailer(true); |
| 511 |
|
| 512 |
$phpmailer::$validator = static function ( $email ) { |
| 513 |
return (bool) is_email($email); |
| 514 |
}; |
| 515 |
} |
| 516 |
|
| 517 |
// Empty out the values that may be set. |
| 518 |
$phpmailer->clearAllRecipients(); |
| 519 |
$phpmailer->clearAttachments(); |
| 520 |
$phpmailer->clearCustomHeaders(); |
| 521 |
$phpmailer->clearReplyTos(); |
| 522 |
$phpmailer->Body = ''; |
| 523 |
$phpmailer->AltBody = ''; |
| 524 |
|
| 525 |
// Set "From" name and email. |
| 526 |
|
| 527 |
// If we don't have a name from the input headers. |
| 528 |
if ( ! isset($from_name)) { |
| 529 |
$from_name = 'WordPress'; |
| 530 |
} |
| 531 |
|
| 532 |
/* |
| 533 |
* If we don't have an email from the input headers, default to wordpress@$sitename |
| 534 |
* Some hosts will block outgoing mail from this address if it doesn't exist, |
| 535 |
* but there's no easy alternative. Defaulting to admin_email might appear to be |
| 536 |
* another option, but some hosts may refuse to relay mail from an unknown domain. |
| 537 |
* See https://core.trac.wordpress.org/ticket/5007. |
| 538 |
*/ |
| 539 |
if ( ! isset($from_email)) { |
| 540 |
// Get the site domain and get rid of www. |
| 541 |
$sitename = wp_parse_url(network_home_url(), PHP_URL_HOST); |
| 542 |
$from_email = 'wordpress@'; |
| 543 |
|
| 544 |
if (null !== $sitename) { |
| 545 |
if (str_starts_with($sitename, 'www.')) { |
| 546 |
$sitename = substr($sitename, 4); |
| 547 |
} |
| 548 |
|
| 549 |
$from_email .= $sitename; |
| 550 |
} |
| 551 |
} |
| 552 |
|
| 553 |
/** |
| 554 |
* Filters the email address to send from. |
| 555 |
* |
| 556 |
* @param string $from_email Email address to send from. |
| 557 |
* @since 2.2.0 |
| 558 |
*/ |
| 559 |
$from_email = apply_filters('wp_mail_from', $from_email); |
| 560 |
|
| 561 |
/** |
| 562 |
* Filters the name to associate with the "from" email address. |
| 563 |
* |
| 564 |
* @param string $from_name Name associated with the "from" email address. |
| 565 |
* @since 2.3.0 |
| 566 |
*/ |
| 567 |
$from_name = apply_filters('wp_mail_from_name', $from_name); |
| 568 |
|
| 569 |
try { |
| 570 |
$phpmailer->setFrom($from_email, $from_name, false); |
| 571 |
} catch (PHPMailer\PHPMailer\Exception $e) { |
| 572 |
$mail_error_data = compact('to', 'subject', 'message', 'headers', 'attachments'); |
| 573 |
$mail_error_data['phpmailer_exception_code'] = $e->getCode(); |
| 574 |
|
| 575 |
/** This filter is documented in wp-includes/pluggable.php */ |
| 576 |
do_action('wp_mail_failed', new WP_Error('wp_mail_failed', $e->getMessage(), $mail_error_data)); |
| 577 |
|
| 578 |
return false; |
| 579 |
} |
| 580 |
|
| 581 |
// Set mail's subject and body. |
| 582 |
$phpmailer->Subject = $subject; |
| 583 |
$phpmailer->Body = $message; |
| 584 |
|
| 585 |
// Set destination addresses, using appropriate methods for handling addresses. |
| 586 |
$address_headers = compact('to', 'cc', 'bcc', 'replyTo'); |
| 587 |
|
| 588 |
foreach ($address_headers as $address_header => $addresses) { |
| 589 |
if (empty($addresses)) { |
| 590 |
continue; |
| 591 |
} |
| 592 |
|
| 593 |
foreach ( (array) $addresses as $address) { |
| 594 |
try { |
| 595 |
// Break $recipient into name and address parts if in the format "Foo <bar@baz.com>". |
| 596 |
$recipient_name = ''; |
| 597 |
|
| 598 |
if (preg_match('/(.*)<(.+)>/', $address, $matches)) { |
| 599 |
if (count($matches) === 3) { |
| 600 |
$recipient_name = $matches[1]; |
| 601 |
$address = $matches[2]; |
| 602 |
} |
| 603 |
} |
| 604 |
|
| 605 |
switch ($address_header) { |
| 606 |
case 'to': |
| 607 |
$phpmailer->addAddress($address, $recipient_name); |
| 608 |
break; |
| 609 |
case 'cc': |
| 610 |
$phpmailer->addCc($address, $recipient_name); |
| 611 |
break; |
| 612 |
case 'bcc': |
| 613 |
$phpmailer->addBcc($address, $recipient_name); |
| 614 |
break; |
| 615 |
case 'reply_to': |
| 616 |
$phpmailer->addReplyTo($address, $recipient_name); |
| 617 |
break; |
| 618 |
} |
| 619 |
} catch (PHPMailer\PHPMailer\Exception $e) { |
| 620 |
continue; |
| 621 |
} |
| 622 |
} |
| 623 |
} |
| 624 |
|
| 625 |
// Set to use PHP's mail(). |
| 626 |
$phpmailer->isMail(); |
| 627 |
|
| 628 |
// Set Content-Type and charset. |
| 629 |
|
| 630 |
// If we don't have a Content-Type from the input headers. |
| 631 |
if ( ! isset($content_type)) { |
| 632 |
$content_type = 'text/plain'; |
| 633 |
} |
| 634 |
|
| 635 |
/** |
| 636 |
* Filters the wp_mail() content type. |
| 637 |
* |
| 638 |
* @param string $content_type Default wp_mail() content type. |
| 639 |
* @since 2.3.0 |
| 640 |
*/ |
| 641 |
$content_type = apply_filters('wp_mail_content_type', $content_type); |
| 642 |
|
| 643 |
$phpmailer->ContentType = $content_type; |
| 644 |
|
| 645 |
// Set whether it's plaintext, depending on $content_type. |
| 646 |
if ('text/html' === $content_type) { |
| 647 |
$phpmailer->isHTML(true); |
| 648 |
} |
| 649 |
|
| 650 |
// If we don't have a charset from the input headers. |
| 651 |
if ( ! isset($charset)) { |
| 652 |
$charset = get_bloginfo('charset'); |
| 653 |
} |
| 654 |
|
| 655 |
/** |
| 656 |
* Filters the default wp_mail() charset. |
| 657 |
* |
| 658 |
* @param string $charset Default email charset. |
| 659 |
* @since 2.3.0 |
| 660 |
*/ |
| 661 |
$phpmailer->CharSet = apply_filters('wp_mail_charset', $charset); |
| 662 |
|
| 663 |
// Set custom headers. |
| 664 |
if ( ! empty($headers)) { |
| 665 |
foreach ( (array) $headers as $name => $content) { |
| 666 |
// Only add custom headers not added automatically by PHPMailer. |
| 667 |
if ( ! in_array($name, array( 'MIME-Version', 'X-Mailer' ), true)) { |
| 668 |
try { |
| 669 |
$phpmailer->addCustomHeader(sprintf('%1$s: %2$s', $name, $content)); |
| 670 |
} catch (PHPMailer\PHPMailer\Exception $e) { |
| 671 |
continue; |
| 672 |
} |
| 673 |
} |
| 674 |
} |
| 675 |
|
| 676 |
if (false !== stripos($content_type, 'multipart') && ! empty($boundary)) { |
| 677 |
$phpmailer->addCustomHeader(sprintf('Content-Type: %s; boundary="%s"', $content_type, $boundary)); |
| 678 |
} |
| 679 |
} |
| 680 |
|
| 681 |
if ( ! empty($attachments)) { |
| 682 |
foreach ($attachments as $filename => $attachment) { |
| 683 |
$filename = is_string($filename) ? $filename : ''; |
| 684 |
|
| 685 |
try { |
| 686 |
$phpmailer->addAttachment($attachment, $filename); |
| 687 |
} catch (PHPMailer\PHPMailer\Exception $e) { |
| 688 |
continue; |
| 689 |
} |
| 690 |
} |
| 691 |
} |
| 692 |
|
| 693 |
/** |
| 694 |
* Fires after PHPMailer is initialized. |
| 695 |
* |
| 696 |
* @param PHPMailer $phpmailer The PHPMailer instance (passed by reference). |
| 697 |
* @since 2.2.0 |
| 698 |
*/ |
| 699 |
do_action_ref_array('phpmailer_init', array( &$phpmailer )); |
| 700 |
|
| 701 |
$mail_data = compact('to', 'subject', 'message', 'headers', 'attachments'); |
| 702 |
|
| 703 |
// Send! |
| 704 |
try { |
| 705 |
$send = $phpmailer->send(); |
| 706 |
|
| 707 |
/** |
| 708 |
* Fires after PHPMailer has successfully sent an email. |
| 709 |
* The firing of this action does not necessarily mean that the recipient(s) received the |
| 710 |
* email successfully. It only means that the `send` method above was able to |
| 711 |
* process the request without any errors. |
| 712 |
* |
| 713 |
* @param array $mail_data { |
| 714 |
* An array containing the email recipient(s), subject, message, headers, and attachments. |
| 715 |
* @type string[] $to Email addresses to send message. |
| 716 |
* @type string $subject Email subject. |
| 717 |
* @type string $message Message contents. |
| 718 |
* @type string[] $headers Additional headers. |
| 719 |
* @type string[] $attachments Paths to files to attach. |
| 720 |
* } |
| 721 |
* @since 5.9.0 |
| 722 |
*/ |
| 723 |
do_action('wp_mail_succeeded', $mail_data); |
| 724 |
|
| 725 |
return $send; |
| 726 |
} catch (PHPMailer\PHPMailer\Exception $e) { |
| 727 |
$mail_data['phpmailer_exception_code'] = $e->getCode(); |
| 728 |
|
| 729 |
/** |
| 730 |
* Fires after a PHPMailer\PHPMailer\Exception is caught. |
| 731 |
* |
| 732 |
* @param WP_Error $error A WP_Error object with the PHPMailer\PHPMailer\Exception message, and an array |
| 733 |
* containing the mail recipient, subject, message, headers, and attachments. |
| 734 |
* @since 4.4.0 |
| 735 |
*/ |
| 736 |
do_action('wp_mail_failed', new WP_Error('wp_mail_failed', $e->getMessage(), $mail_data)); |
| 737 |
|
| 738 |
return false; |
| 739 |
} |
| 740 |
} |
| 741 |
} |
| 742 |
|
| 743 |
/** |
| 744 |
* @param array $body |
| 745 |
* @param mixed $boundary |
| 746 |
* @return string |
| 747 |
*/ |
| 748 |
function mg_build_payload_from_body( $body, $boundary ): string { |
| 749 |
$payload = ''; |
| 750 |
|
| 751 |
// Iterate through pre-built params and build payload: |
| 752 |
foreach ($body as $key => $value) { |
| 753 |
if (is_array($value)) { |
| 754 |
$parent_key = $key; |
| 755 |
foreach ($value as $key => $value) { |
| 756 |
$payload .= '--' . $boundary; |
| 757 |
$payload .= "\r\n"; |
| 758 |
$payload .= 'Content-Disposition: form-data; name="' . $parent_key . "\"\r\n\r\n"; |
| 759 |
$payload .= $value; |
| 760 |
$payload .= "\r\n"; |
| 761 |
} |
| 762 |
} else { |
| 763 |
$payload .= '--' . $boundary; |
| 764 |
$payload .= "\r\n"; |
| 765 |
$payload .= 'Content-Disposition: form-data; name="' . $key . '"' . "\r\n\r\n"; |
| 766 |
$payload .= $value; |
| 767 |
$payload .= "\r\n"; |
| 768 |
} |
| 769 |
} |
| 770 |
|
| 771 |
return $payload; |
| 772 |
} |
| 773 |
|
| 774 |
/** |
| 775 |
* @param array $attachments |
| 776 |
* @param mixed $boundary |
| 777 |
* @return string|null |
| 778 |
*/ |
| 779 |
function mg_build_attachments_payload( $attachments, $boundary ): ?string { |
| 780 |
$payload = ''; |
| 781 |
|
| 782 |
if (empty($attachments)) { |
| 783 |
return null; |
| 784 |
} |
| 785 |
// If we have attachments, add them to the payload. |
| 786 |
$i = 0; |
| 787 |
foreach ($attachments as $attachment) { |
| 788 |
if ( ! empty($attachment)) { |
| 789 |
$payload .= '--' . $boundary; |
| 790 |
$payload .= "\r\n"; |
| 791 |
$payload .= 'Content-Disposition: form-data; name="attachment[' . $i . ']"; filename="' . basename($attachment) . '"' . "\r\n\r\n"; |
| 792 |
$payload .= file_get_contents($attachment); |
| 793 |
$payload .= "\r\n"; |
| 794 |
++$i; |
| 795 |
} |
| 796 |
} |
| 797 |
|
| 798 |
return $payload; |
| 799 |
} |
| 800 |
|
