set_header( 'api_key', $this->options->get( $this->mailer, 'api_key' ) );
$this->set_header( 'content-type', 'application/json' );
}
/**
* Redefine the way email body is returned.
* By default we are sending an array of data.
* Pepipost requires a JSON, so we encode the body.
*
* @since 1.8.0
*
* @return string
*/
public function get_body() {
$body = parent::get_body();
return wp_json_encode( $body );
}
/**
* Set the FROM header of the email.
*
* @since 1.8.0
* @since 2.2.0 Changed the attribute names (API v5 changes).
*
* @param string $email From mail.
* @param string $name From name.
*/
public function set_from( $email, $name = '' ) {
if ( ! filter_var( $email, FILTER_VALIDATE_EMAIL ) ) {
return;
}
$from['email'] = $email;
if ( ! empty( $name ) ) {
$from['name'] = $name;
}
$this->set_body_param(
[
'from' => $from,
]
);
}
/**
* Set the names/emails of people who will receive the email.
*
* @since 1.8.0
* @since 2.2.0 change the attribute names (API v5 changes).
*
* @param array $recipients List of recipients: cc/bcc/to.
*/
public function set_recipients( $recipients ) {
if ( empty( $recipients ) ) {
return;
}
$data = [];
if ( ! empty( $recipients['to'] ) ) {
$data['to'] = $this->prepare_list_of_to_emails( $recipients['to'] );
}
if ( ! empty( $recipients['cc'] ) ) {
$data['cc'] = $this->prepare_list_of_emails( $recipients['cc'] );
}
if ( ! empty( $recipients['bcc'] ) ) {
$data['bcc'] = $this->prepare_list_of_emails( $recipients['bcc'] );
}
$this->set_body_personalizations( $data );
}
/**
* Set the email content.
* Pepipost API only supports HTML emails, so we have to replace new lines in plain text emails with
.
*
* @since 1.8.0
* @since 2.2.0 Change the way the content is prepared (API v5 changes).
*
* @param array|string $content Email content.
*/
public function set_content( $content ) {
if ( empty( $content ) ) {
return;
}
$html = '';
if ( ! is_array( $content ) ) {
$html = $content;
if ( $this->phpmailer->ContentType === 'text/plain' ) {
$html = nl2br( $html );
}
} else {
if ( ! empty( $content['html'] ) ) {
$html = $content['html'];
} elseif ( ! empty( $content['text'] ) ) {
$html = nl2br( $content['text'] );
}
}
$this->set_body_param(
[
'content' => [
[
'type' => 'html',
'value' => $html,
],
],
]
);
}
/**
* Redefine the way custom headers are processed for this mailer - they should be in body (personalizations).
*
* @since 1.8.0
* @since 2.2.0 Change the way the headers are processed (API v5 changes).
*
* @param array $headers The email headers to be applied.
*/
public function set_headers( $headers ) {
$valid_headers = [];
foreach ( $headers as $header ) {
$name = isset( $header[0] ) ? $header[0] : false;
$value = isset( $header[1] ) ? $header[1] : false;
$valid_headers[ $name ] = WP::sanitize_value( $value );
}
// Add custom PHPMailer-specific header.
$valid_headers['X-Mailer'] = WP::sanitize_value( 'WPMailSMTP/Mailer/' . $this->mailer . ' ' . WPMS_PLUGIN_VER );
if ( ! empty( $valid_headers ) ) {
$this->set_body_personalizations( [ 'headers' => $valid_headers ] );
}
}
/**
* Pepipost API accepts an array of files content in body, so we will include all files and send.
* Doesn't handle exceeding the limits etc, as this will be reported by the API response.
*
* @since 1.8.0
* @since 2.2.0 Change the way the attachments are processed (API v5 changes).
*
* @param array $attachments The list of attachments data.
*/
public function set_attachments( $attachments ) {
if ( empty( $attachments ) ) {
return;
}
$data = $this->prepare_attachments( $attachments );
if ( ! empty( $data ) ) {
$this->set_body_param(
[
'attachments' => $data,
]
);
}
}
/**
* Prepare the attachments data for Pepipost API.
*
* @since 2.2.0
*
* @param array $attachments Array of attachments.
*
* @return array
*/
protected function prepare_attachments( $attachments ) {
$data = [];
foreach ( $attachments as $attachment ) {
$file = false;
/*
* We are not using WP_Filesystem API as we can't reliably work with it.
* It is not always available, same as credentials for FTP.
*/
try {
if ( is_file( $attachment[0] ) && is_readable( $attachment[0] ) ) {
$file = file_get_contents( $attachment[0] ); // phpcs:ignore
}
} catch ( \Exception $e ) {
$file = false;
}
if ( $file === false ) {
continue;
}
$data[] = [
'content' => base64_encode( $file ), // phpcs:ignore
'name' => $attachment[2],
];
}
return $data;
}
/**
* Set the reply-to property of the email.
* Pepipost API only supports one reply_to email, so we take the first one and discard the rest.
*
* @since 1.8.0
* @since 2.2.0 Change the way the reply_to is processed (API v5 changes).
*
* @param array $reply_to Name/email for reply-to feature.
*/
public function set_reply_to( $reply_to ) {
if ( empty( $reply_to ) ) {
return;
}
$email_array = array_shift( $reply_to );
if ( empty( $email_array[0] ) ) {
return;
}
$email = $email_array[0];
if ( ! filter_var( $email, FILTER_VALIDATE_EMAIL ) ) {
return;
}
if ( ! empty( $email ) ) {
$this->set_body_param(
[
'reply_to' => $email,
]
);
}
}
/**
* Pepipost API doesn't support sender or return_path params.
* So we do nothing.
*
* @since 1.8.0
*
* @param string $from_email The from email address.
*/
public function set_return_path( $from_email ) {}
/**
* Get a Pepipost-specific response with a helpful error.
*
* @see https://developers.pepipost.com/email-api/email-api/sendemail#responses
*
* @since 1.8.0
* @since 2.2.0 Change the way the response error message is processed (API v5 changes).
*
* @return string
*/
public function get_response_error() {
$body = (array) wp_remote_retrieve_body( $this->response );
$error = ! empty( $body['error'] ) ? $body['error'] : '';
$info = ! empty( $body['info'] ) ? $body['info'] : '';
$message = '';
if ( ! empty( $this->error_message ) ) {
$message = $this->error_message;
} elseif ( is_string( $error ) ) {
$message = $error . ( ( ! empty( $info ) ) ? ' - ' . $info : '' );
} elseif ( is_array( $error ) ) {
$message = '';
foreach ( $error as $item ) {
$message .= sprintf(
'%1$s (%2$s - %3$s)',
! empty( $item->description ) ? $item->description : esc_html__( 'General error', 'wp-mail-smtp' ),
! empty( $item->message ) ? $item->message : esc_html__( 'Error', 'wp-mail-smtp' ),
! empty( $item->field ) ? $item->field : ''
) . PHP_EOL;
}
}
return $message;
}
/**
* Get mailer debug information, that is helpful during support.
*
* @since 1.8.0
*
* @return string
*/
public function get_debug_info() {
$sendgrid_text[] = 'Api Key: ' . ( $this->is_mailer_complete() ? 'Yes' : 'No' );
return implode( '
', $sendgrid_text );
}
/**
* Whether the mailer has all its settings correctly set up and saved.
*
* @since 1.8.0
*
* @return bool
*/
public function is_mailer_complete() {
$options = $this->options->get_group( $this->mailer );
// API key is the only required option.
if ( ! empty( $options['api_key'] ) ) {
return true;
}
return false;
}
/**
* A special set method for Pepipost API "personalizations" attribute.
* We are sending one email at a time, so we should set just the first
* personalization item.
*
* Mainly used in set_headers and set_recipients.
*
* @see https://developers.pepipost.com/email-api/email-api/sendemail
*
* @since 2.2.0
*
* @param array $data The personalizations array of data (array of arrays).
*/
private function set_body_personalizations( $data ) {
if ( empty( $data ) ) {
return;
}
if ( ! empty( $this->body['personalizations'][0] ) ) {
$this->body['personalizations'][0] = PluginOptions::array_merge_recursive(
$this->body['personalizations'][0],
$data
);
} else {
$this->set_body_param(
[
'personalizations' => [
$data,
],
]
);
}
}
/**
* Prepare list of emails by filtering valid emails first.
*
* @since 2.2.0
*
* @param array $items A 2D array of email and name pair items (0 = email, 1 = name).
*
* @return array 2D array with 'email' keys.
*/
private function prepare_list_of_emails( $items ) {
$valid_emails = array_filter(
array_column( $items, 0 ),
function ( $email ) {
return filter_var( $email, FILTER_VALIDATE_EMAIL );
}
);
return array_map(
function( $email ) {
return [ 'email' => $email ];
},
$valid_emails
);
}
/**
* Prepare list of TO emails by filtering valid emails first
* and returning array of arrays (email, name).
*
* @since 2.2.0
*
* @param array $items A 2D array of email and name pair items (0 = email, 1 = name).
*
* @return array 2D array with 'email' and optional 'name' attributes.
*/
private function prepare_list_of_to_emails( $items ) {
$data = [];
foreach ( $items as $item ) {
$email = filter_var( $item[0], FILTER_VALIDATE_EMAIL );
if ( empty( $email ) ) {
continue;
}
$pair['email'] = $email;
if ( ! empty( $item[1] ) ) {
$pair['name'] = $item[1];
}
$data[] = $pair;
}
return $data;
}
}