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<?php if ( ! defined( 'ABSPATH' ) ) exit;
/**
* Class NF_Action_Email
*/
final class NF_Actions_Email extends NF_Abstracts_Action
{
/**
* @var string
*/
protected $_name = 'email';
/**
* @var array
*/
protected $_tags = array();
/**
* @var string
*/
protected $_timing = 'late';
/**
* @var int
*/
protected $_priority = 10;
/**
* Constructor
*/
public function __construct()
{
parent::__construct();
$this->_nicename = esc_html__( 'Email', 'ninja-forms' );
$settings = Ninja_Forms::config( 'ActionEmailSettings' );
$this->_settings = array_merge( $this->_settings, $settings );
$this->_backwards_compatibility();
}
/*
* PUBLIC METHODS
*/
public function process( $action_settings, $form_id, $data )
{
$action_settings = $this->sanitize_address_fields( $action_settings );
$errors = $this->check_for_errors( $action_settings );
$headers = $this->_get_headers( $action_settings );
if ( has_filter( 'ninja_forms_get_fields_sorted' ) ) {
$fields_by_key = array();
foreach( $data[ 'fields' ] as $field ){
if( is_null( $field ) ) continue;
if( is_array( $field ) ){
if( ! isset( $field[ 'key' ] ) ) continue;
$key = $field[ 'key' ];
} else {
$key = $field->get_setting('key');
}
$fields_by_key[ $key ] = $field;
}
$sorted = apply_filters( 'ninja_forms_get_fields_sorted', array(), $data[ 'fields' ], $fields_by_key, $form_id );
if( ! empty( $sorted ) )
$data[ 'fields' ] = $sorted;
}
$attachments = $this->_get_attachments( $action_settings, $data );
if( 'html' == $action_settings[ 'email_format' ] ) {
$message = wpautop( $action_settings['email_message'] );
} else {
$message = $this->format_plain_text_message( $action_settings[ 'email_message_plain' ] );
}
$message = apply_filters( 'ninja_forms_action_email_message', $message, $data, $action_settings );
try {
/**
* Hook into the email send to override functionality.
* @return bool True if already sent. False to fallback to default behavior. Throw a new Exception if there is an error.
*/
if( ! $sent = apply_filters( 'ninja_forms_action_email_send', false, $action_settings, $message, $headers, $attachments ) ){
$sent = wp_mail($action_settings['to'], strip_tags( $action_settings['email_subject'] ), $message, $headers, $attachments);
}
} catch ( Exception $e ){
$sent = false;
$errors[ 'email_not_sent' ] = $e->getMessage();
}
if( is_user_logged_in() && current_user_can( 'manage_options' ) ) {
$data[ 'actions' ][ 'email' ][ 'to' ] = $action_settings[ 'to' ];
$data[ 'actions' ][ 'email' ][ 'headers' ] = $headers;
$data[ 'actions' ][ 'email' ][ 'attachments' ] = $attachments;
}
$data[ 'actions' ][ 'email' ][ 'sent' ] = $sent;
// Only show errors to Administrators.
if( $errors && current_user_can( 'manage_options' ) ){
$data[ 'errors' ][ 'form' ] = $errors;
}
if ( ! empty( $attachments ) ) {
$this->_drop_csv();
}
return $data;
}
/**
* Sanitizes email address settings
* @since 3.2.2
*
* @param array $action_settings
* @return array
*/
protected function sanitize_address_fields( $action_settings )
{
// Build a look array to compare our email address settings to.
$email_address_settings = array( 'to', 'from_address', 'reply_to', 'cc', 'bcc' );
// Loop over the look up values.
foreach( $email_address_settings as $setting ) {
// If the loop up values are not set in the action settings continue.
if ( ! isset( $action_settings[ $setting ] ) ) continue;
// If action settings do not match the look up values continue.
if ( ! $action_settings[ $setting ] ) continue;
// This is the array that will contain the sanitized email address values.
$sanitized_array = array();
/*
* Checks to see action settings is array,
* if not explodes to comma delimited array.
*/
if( is_array( $action_settings[ $setting ] ) ) {
$email_addresses = $action_settings[ $setting ];
} else {
$email_addresses = explode( ',', $action_settings[ $setting ] );
}
// Loop over our email addresses.
foreach( $email_addresses as $email ) {
// Updated to trim values in case there is a value with spaces/tabs/etc to remove whitespace
$email = trim( $email );
if ( empty( $email ) ) continue;
// Build our array of the email addresses.
$sanitized_array[] = $email;
}
// Sanitized our array of settings.
$action_settings[ $setting ] = implode( ',' ,$sanitized_array );
}
return $action_settings;
}
protected function check_for_errors( $action_settings )
{
$errors = array();
$email_address_settings = array( 'to', 'from_address', 'reply_to', 'cc', 'bcc' );
foreach( $email_address_settings as $setting ){
if( ! isset( $action_settings[ $setting ] ) ) continue;
if( ! $action_settings[ $setting ] ) continue;
$email_addresses = is_array( $action_settings[ $setting ] ) ? $action_settings[ $setting ] : explode( ',', $action_settings[ $setting ] );
foreach( (array) $email_addresses as $email ){
$email = trim( $email );
if ( false !== strpos( $email, '<' ) && false !== strpos( $email, '>' ) ) {
preg_match('/(?:<)([^>]*)(?:>)/', $email, $email);
$email = $email[ 1 ];
}
if( ! is_email( $email ) ) {
$errors[ 'invalid_email' ] = sprintf( esc_html__( 'Your email action "%s" has an invalid value for the "%s" setting. Please check this setting and try again.', 'ninja-forms'), $action_settings[ 'label' ], $setting );
}
}
}
return $errors;
}
private function _get_headers( $settings )
{
$headers = array();
$headers[] = 'Content-Type: text/' . $settings[ 'email_format' ];
$headers[] = 'charset=UTF-8';
$headers[] = 'X-Ninja-Forms:ninja-forms'; // Flag for transactional email.
$headers[] = $this->_format_from( $settings );
$headers = array_merge( $headers, $this->_format_recipients( $settings ) );
return $headers;
}
private function _get_attachments( $settings, $data )
{
$attachments = array();
if( isset( $settings[ 'attach_csv' ] ) && 1 == $settings[ 'attach_csv' ] ){
$attachments[] = $this->_create_csv( $data[ 'fields' ] );
}
if( ! isset( $settings[ 'id' ] ) ) $settings[ 'id' ] = '';
// Allow admins to attach files from media library
if (isset($settings['file_attachment']) && 0 < strlen($settings['file_attachment'])) {
$file_path = '';
$media_id = attachment_url_to_postid($settings['file_attachment']);
if($media_id !== 0) {
$file_path = get_attached_file($media_id);
if (0 < strlen($file_path)) {
$attachments[] = $file_path;
}
}
}
$attachments = apply_filters( 'ninja_forms_action_email_attachments', $attachments, $data, $settings );
return $attachments;
}
private function _format_from( $settings )
{
$from_name = get_bloginfo( 'name', 'raw' );
$from_name = apply_filters( 'ninja_forms_action_email_from_name', $from_name );
$from_name = ( $settings[ 'from_name' ] ) ? $settings[ 'from_name' ] : $from_name;
$from_address = get_bloginfo( 'admin_email' );
$from_address = apply_filters( 'ninja_forms_action_email_from_address', $from_address );
$from_address = ( $settings[ 'from_address' ] ) ? $settings[ 'from_address' ] : $from_address;
return $this->_format_recipient( 'from', $from_address, $from_name );
}
private function _format_recipients( $settings )
{
$headers = array();
$recipient_settings = array(
'Cc' => $settings[ 'cc' ],
'Bcc' => $settings[ 'bcc' ],
'Reply-to' => $settings[ 'reply_to' ],
);
foreach( $recipient_settings as $type => $emails ){
$emails = explode( ',', $emails );
foreach( $emails as $email ) {
if( ! $email ) continue;
$matches = array();
if (preg_match('/^"?(?<name>[^<"]+)"? <(?<email>[^>]+)>$/', $email, $matches)) {
$headers[] = $this->_format_recipient($type, $matches['email'], $matches['name']);
} else {
$headers[] = $this->_format_recipient($type, $email);
}
}
}
return $headers;
}
private function _format_recipient( $type, $email, $name = '' )
{
$type = ucfirst( $type );
if( ! $name ) $name = $email;
$recipient = "$type: $name <$email>";
return $recipient;
}
private function _create_csv( $fields )
{
$csv_array = array();
// Get our current date.
$date_format = Ninja_Forms()->get_setting( 'date_format' );
$today = date( $date_format, current_time( 'timestamp' ) );
$csv_array[ 0 ][] = 'Date Submitted';
$csv_array[ 1 ][] = $today;
foreach( $fields as $field ){
$ignore = array(
'hr',
'submit',
'html',
'creditcardcvc',
'creditcardexpiration',
'creditcardfullname',
'creditcardnumber',
'creditcardzip',
);
$ignore = apply_filters( 'ninja_forms_csv_ignore_fields', $ignore );
if( ! isset( $field[ 'label' ] ) ) continue;
if( in_array( $field[ 'type' ], $ignore ) ) continue;
$label = ( '' != $field[ 'admin_label' ] ) ? $field[ 'admin_label' ] : $field[ 'label' ];
$value = WPN_Helper::stripslashes( $field[ 'value' ] );
if ( empty( $value ) && ! isset( $value ) ) {
$value = '';
}
if ( is_array( $value ) ) {
$value = implode( ',', $value );
}
// add filter to add single quote if first character in value is '='
$value = apply_filters( 'ninja_forms_subs_export_field_value_' . $field[ 'type' ], $value, $field );
$csv_array[ 0 ][] = $label;
$csv_array[ 1 ][] = $value;
}
$csv_content = WPN_Helper::str_putcsv( $csv_array,
apply_filters( 'ninja_forms_sub_csv_delimiter', ',' ),
apply_filters( 'ninja_forms_sub_csv_enclosure', '"' ),
apply_filters( 'ninja_forms_sub_csv_terminator', "\n" )
);
$upload_dir = wp_upload_dir();
$path = trailingslashit( $upload_dir['path'] );
// create temporary file
$path = tempnam( $path, 'Sub' );
$temp_file = fopen( $path, 'r+' );
// write to temp file
fwrite( $temp_file, $csv_content );
fclose( $temp_file );
// find the directory we will be using for the final file
$path = pathinfo( $path );
$dir = $path['dirname'];
$basename = $path['basename'];
// create name for file
$new_name = apply_filters( 'ninja_forms_submission_csv_name', 'ninja-forms-submission' );
// remove a file if it already exists
if( file_exists( $dir.'/'.$new_name.'.csv' ) ) {
unlink( $dir.'/'.$new_name.'.csv' );
}
// move file
rename( $dir.'/'.$basename, $dir.'/'.$new_name.'.csv' );
return $dir.'/'.$new_name.'.csv';
}
/**
* Function to delete csv file from temp directory after Email Action has completed.
*/
private function _drop_csv()
{
$upload_dir = wp_upload_dir();
$path = trailingslashit( $upload_dir['path'] );
// create name for file
$new_name = apply_filters( 'ninja_forms_submission_csv_name', 'ninja-forms-submission' );
// remove a file if it already exists
if( file_exists( $path.'/'.$new_name.'.csv' ) ) {
unlink( $path.'/'.$new_name.'.csv' );
}
}
/*
* Backwards Compatibility
*/
private function _backwards_compatibility()
{
add_filter( 'ninja_forms_sub_csv_delimiter', array( $this, 'ninja_forms_sub_csv_delimiter' ), 10, 1 );
add_filter( 'ninja_sub_csv_enclosure', array( $this, 'ninja_sub_csv_enclosure' ), 10, 1 );
add_filter( 'ninja_sub_csv_terminator', array( $this, 'ninja_sub_csv_terminator' ), 10, 1 );
add_filter( 'ninja_forms_action_email_attachments', array( $this, 'ninja_forms_action_email_attachments' ), 10, 3 );
}
public function ninja_forms_sub_csv_delimiter( $delimiter )
{
return apply_filters( 'nf_sub_csv_delimiter', $delimiter );
}
public function ninja_sub_csv_enclosure( $enclosure )
{
return apply_filters( 'nf_sub_csv_enclosure', $enclosure );
}
public function ninja_sub_csv_terminator( $terminator )
{
return apply_filters( 'nf_sub_csv_terminator', $terminator );
}
public function ninja_forms_action_email_attachments( $attachments, $form_data, $action_settings )
{
return apply_filters( 'nf_email_notification_attachments', $attachments, $action_settings[ 'id' ] );
}
private function format_plain_text_message( $message )
{
$message = str_replace( array( '<table>', '</table>', '<tr><td>', '' ), '', $message );
$message = str_replace( '</td><td>', ' ', $message );
$message = str_replace( '</td></tr>', "\r\n", $message );
return strip_tags( $message );
}
}