146 lines
3.7 KiB
PHP
146 lines
3.7 KiB
PHP
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<?php
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namespace WPMailSMTP;
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// Load PHPMailer class, so we can subclass it.
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if ( ! class_exists( 'PHPMailer', false ) ) {
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require_once ABSPATH . WPINC . '/class-phpmailer.php';
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}
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/**
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* Class MailCatcher replaces the \PHPMailer and modifies the email sending logic.
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* Thus, we can use other mailers API to do what we need, or stop emails completely.
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*
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* @since 1.0.0
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*/
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class MailCatcher extends \PHPMailer {
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/**
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* Callback Action function name.
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*
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* The function that handles the result of the send email action.
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* It is called out by send() for each email sent.
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*
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* @since 1.3.0
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*
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* @var string
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*/
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public $action_function = '\WPMailSMTP\Processor::send_callback';
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/**
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* Modify the default send() behaviour.
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* For those mailers, that relies on PHPMailer class - call it directly.
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* For others - init the correct provider and process it.
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*
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* @since 1.0.0
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* @since 1.4.0 Process "Do Not Send" option, but always allow test email.
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*
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* @throws \phpmailerException When sending via PhpMailer fails for some reason.
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*
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* @return bool
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*/
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public function send() {
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$options = new Options();
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$mail_mailer = sanitize_key( $options->get( 'mail', 'mailer' ) );
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$is_emailing_blocked = false;
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if ( wp_mail_smtp()->is_blocked() ) {
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$is_emailing_blocked = true;
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}
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// Always allow a test email - check for the specific header.
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foreach ( (array) $this->getCustomHeaders() as $header ) {
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if (
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! empty( $header[0] ) &&
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! empty( $header[1] ) &&
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$header[0] === 'X-Mailer-Type' &&
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trim( $header[1] ) === 'WPMailSMTP/Admin/Test'
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) {
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$is_emailing_blocked = false;
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}
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};
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// Do not send emails if admin desired that.
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if ( $is_emailing_blocked ) {
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return false;
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}
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// Define a custom header, that will be used to identify the plugin and the mailer.
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$this->XMailer = 'WPMailSMTP/Mailer/' . $mail_mailer . ' ' . WPMS_PLUGIN_VER;
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// Use the default PHPMailer, as we inject our settings there for certain providers.
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if (
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$mail_mailer === 'mail' ||
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$mail_mailer === 'smtp' ||
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$mail_mailer === 'pepipost'
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) {
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try {
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// Prepare all the headers.
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if ( ! $this->preSend() ) {
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return false;
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}
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// Allow to hook after all the preparation before the actual sending.
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do_action( 'wp_mail_smtp_mailcatcher_smtp_send_before', $this );
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return $this->postSend();
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} catch ( \phpmailerException $e ) {
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$this->mailHeader = '';
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$this->setError( $e->getMessage() );
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if ( $this->exceptions ) {
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throw $e;
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}
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return false;
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}
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}
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// We need this so that the \PHPMailer class will correctly prepare all the headers.
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$this->Mailer = 'mail';
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// Prepare everything (including the message) for sending.
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if ( ! $this->preSend() ) {
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return false;
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}
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$mailer = wp_mail_smtp()->get_providers()->get_mailer( $mail_mailer, $this );
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if ( ! $mailer ) {
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return false;
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}
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if ( ! $mailer->is_php_compatible() ) {
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return false;
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}
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/*
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* Send the actual email.
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* We reuse everything, that was preprocessed for usage in \PHPMailer.
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*/
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$mailer->send();
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$is_sent = $mailer->is_email_sent();
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// Allow to perform any actions with the data.
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do_action( 'wp_mail_smtp_mailcatcher_send_after', $mailer, $this );
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return $is_sent;
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}
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/**
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* Returns all custom headers.
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* In older versions of \PHPMailer class this method didn't exist.
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* As we support WordPress 3.6+ - we need to make sure this method is always present.
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*
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* @since 1.5.0
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*
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* @return array
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*/
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public function getCustomHeaders() {
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return $this->CustomHeader;
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}
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}
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