is_php_compatible() ) { return; } } /** * Re-use the MailCatcher class methods and properties. * * @since 1.2.0 * * @param MailCatcherInterface $phpmailer The MailCatcher object. */ public function process_phpmailer( $phpmailer ) { // Make sure that we have access to PHPMailer class methods. if ( ! wp_mail_smtp()->is_valid_phpmailer( $phpmailer ) ) { return; } $this->phpmailer = $phpmailer; } /** * Use Google API Services to send emails. * * @since 1.0.0 */ public function send() { // Include the Google library. require_once wp_mail_smtp()->plugin_path . '/vendor/autoload.php'; $auth = new Auth(); $message = new \Google_Service_Gmail_Message(); // Set the authorized Gmail email address as the "from email" if the set email is not on the list of aliases. $possible_from_emails = $auth->get_user_possible_send_from_addresses(); if ( ! in_array( $this->phpmailer->From, $possible_from_emails, true ) ) { $user_info = $auth->get_user_info(); if ( ! empty( $user_info['email'] ) ) { $this->phpmailer->From = $user_info['email']; $this->phpmailer->Sender = $user_info['email']; } } try { // Prepare a message for sending if any changes happened above. $this->phpmailer->preSend(); // Get the raw MIME email using MailCatcher data. We need to make base64URL-safe string. $base64 = str_replace( [ '+', '/', '=' ], [ '-', '_', '' ], base64_encode( $this->phpmailer->getSentMIMEMessage() ) //phpcs:ignore ); $message->setRaw( $base64 ); $service = new \Google_Service_Gmail( $auth->get_client() ); $response = $service->users_messages->send( 'me', $message ); $this->process_response( $response ); } catch ( \Exception $e ) { Debug::set( 'Mailer: Gmail' . "\r\n" . $this->process_exception_message( $e->getMessage() ) ); return; } } /** * Save response from the API to use it later. * * @since 1.0.0 * @since 1.5.0 Added action "wp_mail_smtp_providers_gmail_mailer_process_response" with $response. * * @param \Google_Service_Gmail_Message $response Instance of Gmail response. */ protected function process_response( $response ) { $this->response = $response; do_action( 'wp_mail_smtp_providers_gmail_mailer_process_response', $this->response, $this->phpmailer ); } /** * Check whether the email was sent. * * @since 1.0.0 * * @return bool */ public function is_email_sent() { $is_sent = false; if ( method_exists( $this->response, 'getId' ) ) { $message_id = $this->response->getId(); if ( ! empty( $message_id ) ) { $is_sent = true; } } // Clear debug messages if email is successfully sent. if ( $is_sent ) { Debug::clear(); } return $is_sent; } /** * This method is relevant to SMTP and Pepipost. * All other custom mailers should override it with own information. * * @since 1.2.0 * * @return string */ public function get_debug_info() { $gmail_text = array(); $options = new \WPMailSMTP\Options(); $gmail = $options->get_group( 'gmail' ); $curl_ver = 'No'; if ( function_exists( 'curl_version' ) ) { $curl = curl_version(); // phpcs:ignore $curl_ver = $curl['version']; } $gmail_text[] = 'Client ID/Secret: ' . ( ! empty( $gmail['client_id'] ) && ! empty( $gmail['client_secret'] ) ? 'Yes' : 'No' ); $gmail_text[] = 'Auth Code: ' . ( ! empty( $gmail['auth_code'] ) ? 'Yes' : 'No' ); $gmail_text[] = 'Access Token: ' . ( ! empty( $gmail['access_token'] ) ? 'Yes' : 'No' ); $gmail_text[] = '
Server:'; $gmail_text[] = 'OpenSSL: ' . ( extension_loaded( 'openssl' ) && defined( 'OPENSSL_VERSION_TEXT' ) ? OPENSSL_VERSION_TEXT : 'No' ); $gmail_text[] = 'PHP.allow_url_fopen: ' . ( ini_get( 'allow_url_fopen' ) ? 'Yes' : 'No' ); $gmail_text[] = 'PHP.stream_socket_client(): ' . ( function_exists( 'stream_socket_client' ) ? 'Yes' : 'No' ); $gmail_text[] = 'PHP.fsockopen(): ' . ( function_exists( 'fsockopen' ) ? 'Yes' : 'No' ); $gmail_text[] = 'PHP.curl_version(): ' . $curl_ver; // phpcs:ignore if ( function_exists( 'apache_get_modules' ) ) { $modules = apache_get_modules(); $gmail_text[] = 'Apache.mod_security: ' . ( in_array( 'mod_security', $modules, true ) || in_array( 'mod_security2', $modules, true ) ? 'Yes' : 'No' ); } if ( function_exists( 'selinux_is_enabled' ) ) { $gmail_text[] = 'OS.SELinux: ' . ( selinux_is_enabled() ? 'Yes' : 'No' ); } if ( function_exists( 'grsecurity_is_enabled' ) ) { $gmail_text[] = 'OS.grsecurity: ' . ( grsecurity_is_enabled() ? 'Yes' : 'No' ); } return implode( '
', $gmail_text ); } /** * Whether the mailer has all its settings correctly set up and saved. * * @since 1.4.0 * * @return bool */ public function is_mailer_complete() { if ( ! $this->is_php_compatible() ) { return false; } $auth = new Auth(); if ( $auth->is_clients_saved() && ! $auth->is_auth_required() ) { return true; } return false; } /** * Process the exception message and append additional explanation to it. * * @since 2.1.0 * * @param mixed $message A string or an object with strings. * * @return string */ protected function process_exception_message( $message ) { // Transform the passed message to a string. if ( ! is_string( $message ) ) { $message = wp_json_encode( $message ); } else { $message = wp_strip_all_tags( $message, false ); } // Define known errors, that we will scan the message with. $known_errors = array( array( 'errors' => array( 'invalid_grant', ), 'explanation' => esc_html__( 'Please re-grant Google app permissions!', 'wp-mail-smtp' ) . ' ' . PHP_EOL . esc_html__( 'Go to WP Mail SMTP plugin settings page. Click the “Remove Connection” button.', 'wp-mail-smtp' ) . ' ' . PHP_EOL . esc_html__( 'Then click the “Allow plugin to send emails using your Google account” button and re-enable access.', 'wp-mail-smtp' ), ), ); // Check if we get a match and append the explanation to the original message. foreach ( $known_errors as $error ) { foreach ( $error['errors'] as $error_fragment ) { if ( false !== strpos( $message, $error_fragment ) ) { return $message . PHP_EOL . $error['explanation']; } } } // If we get no match we return the original message (as a string). return $message; } /** * Get the default email addresses for the reply to email parameter. * * @deprecated 2.1.1 * * @since 2.1.0 * @since 2.1.1 Not used anymore. * * @return array */ public function default_reply_to_addresses() { _deprecated_function( __CLASS__ . '::' . __METHOD__, '2.1.1 of WP Mail SMTP plugin' ); $gmail_creds = ( new Auth() )->get_user_info(); if ( empty( $gmail_creds['email'] ) ) { return []; } return [ $gmail_creds['email'] => [ $gmail_creds['email'], '', ], ]; } }