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<?php namespace WPMailSMTP\Providers\Sendinblue; use WPMailSMTP\ConnectionInterface; use WPMailSMTP\Helpers\Helpers; use WPMailSMTP\MailCatcherInterface; use WPMailSMTP\Providers\MailerAbstract; use WPMailSMTP\WP; /** * Class Mailer. * * @since 1.6.0 */ class Mailer extends MailerAbstract { /** * Which response code from HTTP provider is considered to be successful? * * @since 1.6.0 * * @var int */ protected $email_sent_code = 201; /** * Response code for scheduled email. * * @since 3.9.0 * * @var int */ protected $email_scheduled_code = 202; /** * URL to make an API request to. * * @since 1.6.0 * @since 3.9.0 Update to use Brevo API. * * @var string */ protected $url = 'https://api.brevo.com/v3/smtp/email'; /** * Mailer constructor. * * @since 3.9.0 * * @param MailCatcherInterface $phpmailer The MailCatcher object. * @param ConnectionInterface $connection The Connection object. */ public function __construct( $phpmailer, $connection = null ) { parent::__construct( $phpmailer, $connection ); $this->set_header( 'api-key', $this->connection_options->get( $this->mailer, 'api_key' ) ); $this->set_header( 'Accept', 'application/json' ); $this->set_header( 'content-type', 'application/json' ); } /** * The list of allowed attachment files extensions. * * @see https://developers.sendinblue.com/reference#sendTransacEmail_attachment__title * * @since 1.6.0 * * @var array */ // @formatter:off protected $allowed_attach_ext = array( 'xlsx', 'xls', 'ods', 'docx', 'docm', 'doc', 'csv', 'pdf', 'txt', 'gif', 'jpg', 'jpeg', 'png', 'tif', 'tiff', 'rtf', 'bmp', 'cgm', 'css', 'shtml', 'html', 'htm', 'zip', 'xml', 'ppt', 'pptx', 'tar', 'ez', 'ics', 'mobi', 'msg', 'pub', 'eps', 'odt', 'mp3', 'm4a', 'm4v', 'wma', 'ogg', 'flac', 'wav', 'aif', 'aifc', 'aiff', 'mp4', 'mov', 'avi', 'mkv', 'mpeg', 'mpg', 'wmv' ); // @formatter:on /** * Redefine the way custom headers are processed for this mailer - they should be in body. * * @since 3.9.0 * * @param array $headers List of key=>value pairs. */ public function set_headers( $headers ) { foreach ( $headers as $header ) { $name = isset( $header[0] ) ? $header[0] : false; $value = isset( $header[1] ) ? $header[1] : false; $this->set_body_header( $name, $value ); } // Add custom PHPMailer-specific header. $this->set_body_header( 'X-Mailer', 'WPMailSMTP/Mailer/' . $this->mailer . ' ' . WPMS_PLUGIN_VER ); } /** * This mailer supports email-related custom headers inside a body of the message. * * @since 3.9.0 * * @param string $name Key. * @param string $value Value. */ public function set_body_header( $name, $value ) { $name = sanitize_text_field( $name ); if ( empty( $name ) ) { return; } $headers = isset( $this->body['headers'] ) ? (array) $this->body['headers'] : []; $headers[ $name ] = WP::sanitize_value( $value ); $this->set_body_param( [ 'headers' => $headers, ] ); } /** * Set the From information for an email. * * @since 1.6.0 * * @param string $email * @param string $name */ public function set_from( $email, $name ) { if ( ! filter_var( $email, FILTER_VALIDATE_EMAIL ) ) { return; } $this->body['sender'] = array( 'email' => $email, 'name' => ! empty( $name ) ? WP::sanitize_value( $name ) : '', ); } /** * Set email recipients: to, cc, bcc. * * @since 1.6.0 * * @param array $recipients */ public function set_recipients( $recipients ) { if ( empty( $recipients ) ) { return; } // Allow for now only these recipient types. $default = array( 'to', 'cc', 'bcc' ); $data = array(); foreach ( $recipients as $type => $emails ) { if ( ! in_array( $type, $default, true ) || empty( $emails ) || ! is_array( $emails ) ) { continue; } $data[ $type ] = array(); // Iterate over all emails for each type. // There might be multiple cc/to/bcc emails. foreach ( $emails as $email ) { $holder = array(); $addr = isset( $email[0] ) ? $email[0] : false; $name = isset( $email[1] ) ? $email[1] : false; if ( ! filter_var( $addr, FILTER_VALIDATE_EMAIL ) ) { continue; } $holder['email'] = $addr; if ( ! empty( $name ) ) { $holder['name'] = $name; } array_push( $data[ $type ], $holder ); } } foreach ( $data as $type => $type_recipients ) { $this->body[ $type ] = $type_recipients; } } /** * @inheritDoc * * @since 1.6.0 */ public function set_subject( $subject ) { $this->body['subject'] = $subject; } /** * Set email content. * * @since 1.6.0 * * @param string|array $content */ public function set_content( $content ) { if ( empty( $content ) ) { return; } if ( is_array( $content ) ) { if ( ! empty( $content['text'] ) ) { $this->body['textContent'] = $content['text']; } if ( ! empty( $content['html'] ) ) { $this->body['htmlContent'] = $content['html']; } } else { if ( $this->phpmailer->ContentType === 'text/plain' ) { $this->body['textContent'] = $content; } else { $this->body['htmlContent'] = $content; } } } /** * Doesn't support this. * * @since 1.6.0 * * @param string $email */ public function set_return_path( $email ) { } /** * Set the Reply To headers if not set already. * * @since 1.6.0 * * @param array $emails */ public function set_reply_to( $emails ) { if ( empty( $emails ) ) { return; } $data = array(); foreach ( $emails as $user ) { $holder = array(); $addr = isset( $user[0] ) ? $user[0] : false; $name = isset( $user[1] ) ? $user[1] : false; if ( ! filter_var( $addr, FILTER_VALIDATE_EMAIL ) ) { continue; } $holder['email'] = $addr; if ( ! empty( $name ) ) { $holder['name'] = $name; } $data[] = $holder; } if ( ! empty( $data ) ) { $this->body['replyTo'] = $data[0]; } } /** * Set attachments for an email. * * @since 1.6.0 * * @param array $attachments The array of attachments data. */ public function set_attachments( $attachments ) { if ( empty( $attachments ) ) { return; } foreach ( $attachments as $attachment ) { $ext = pathinfo( $attachment[1], PATHINFO_EXTENSION ); if ( ! in_array( $ext, $this->allowed_attach_ext, true ) ) { continue; } $file = $this->get_attachment_file_content( $attachment ); if ( $file === false ) { continue; } $this->body['attachment'][] = [ 'name' => $this->get_attachment_file_name( $attachment ), 'content' => base64_encode( $file ), // phpcs:ignore WordPress.PHP.DiscouragedPHPFunctions.obfuscation_base64_encode ]; } } /** * Get the email body. * * @since 1.6.0 * @since 3.9.0 Returns email body array instead of `SendSmtpEmail` object. * * @return array */ public function get_body() { /** * Filters Sendinblue email body. * * @since 3.5.0 * * @param array $body Email body. */ return apply_filters( 'wp_mail_smtp_providers_sendinblue_mailer_get_body', $this->body ); } /** * Send email. * * @since 1.6.0 * @since 3.9.0 Use API instead of SDK to send email. */ public function send() { $response = wp_safe_remote_post( $this->url, [ 'headers' => $this->get_headers(), 'body' => wp_json_encode( $this->get_body() ), ] ); $this->process_response( $response ); } /** * We might need to do something after the email was sent to the API. * In this method we preprocess the response from the API. * * @since 1.6.0 * @since 3.9.0 Expect a generic class object instead of `CreateSmtpEmail`. * * @param mixed $response Response from the API. */ protected function process_response( $response ) { parent::process_response( $response ); if ( $this->has_message_id() ) { $this->phpmailer->MessageID = $this->response['body']->messageId; $this->verify_sent_status = true; } } /** * Get a Sendinblue-specific response with a helpful error. * * @since 3.9.0 * * @return string */ public function get_response_error() { $error_text = []; if ( ! empty( $this->error_message ) ) { $error_text[] = $this->error_message; } if ( ! empty( $this->response ) ) { $body = wp_remote_retrieve_body( $this->response ); if ( ! empty( $body->message ) ) { $error_text[] = Helpers::format_error_message( $body->message, ! empty( $body->code ) ? $body->code : '' ); } else { $error_text[] = WP::wp_remote_get_response_error_message( $this->response ); } } return implode( WP::EOL, array_map( 'esc_textarea', array_filter( $error_text ) ) ); } /** * Check whether the response has `messageId` property. * * @since 3.9.0 * * @return bool */ private function has_message_id() { if ( ! in_array( wp_remote_retrieve_response_code( $this->response ), [ $this->email_sent_code, $this->email_scheduled_code ], true ) || empty( $this->response['body']->messageId ) ) { return false; } return true; } /** * Check whether the email was sent. * * @since 1.6.0 * @since 3.9.0 Check if `$this->response` has `messageId` property to check if the email was sent. * * @return bool */ public function is_email_sent() { /** This filter is documented in src/Providers/MailerAbstract.php. */ return apply_filters( 'wp_mail_smtp_providers_mailer_is_email_sent', $this->has_message_id(), $this->mailer ); // phpcs:ignore WPForms.PHP.ValidateHooks.InvalidHookName } /** * @inheritdoc * * @since 1.6.0 */ public function get_debug_info() { $mailjet_text[] = '<strong>API Key:</strong> ' . ( $this->is_mailer_complete() ? 'Yes' : 'No' ); return implode( '<br>', $mailjet_text ); } /** * @inheritdoc * * @since 1.6.0 */ public function is_mailer_complete() { $options = $this->connection_options->get_group( $this->mailer ); // API key is the only required option. if ( ! empty( $options['api_key'] ) ) { return true; } return false; } }