857 lines
20 KiB
PHP
857 lines
20 KiB
PHP
<?php
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use WPForms\Helpers\Templates;
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use WPForms\Tasks\Actions\EntryEmailsTask;
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/**
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* Emails.
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*
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* This class handles all (notification) emails sent by WPForms.
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*
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* Heavily influenced by the great AffiliateWP plugin by Pippin Williamson.
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* https://github.com/AffiliateWP/AffiliateWP/blob/master/includes/emails/class-affwp-emails.php
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*
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* Note that this mailer class is no longer in active use and has been replaced with the "WPForms\Emails\Notifications" class.
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* Please refer to the new mailer wrapper extension to extend or add further customizations.
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*
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* @deprecated 1.8.5
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*
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* @since 1.1.3
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*/
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class WPForms_WP_Emails {
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/**
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* Store the from address.
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*
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* @since 1.1.3
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*
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* @var string
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*/
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private $from_address;
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/**
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* Store the from name.
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*
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* @since 1.1.3
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*
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* @var string
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*/
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private $from_name;
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/**
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* Store the reply-to address.
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*
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* @since 1.1.3
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*
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* @var bool|string
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*/
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private $reply_to = false;
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/**
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* Store the reply-to name.
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*
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* @since 1.7.9
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*
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* @var bool|string
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*/
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private $reply_to_name = false;
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/**
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* Store the carbon copy addresses.
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*
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* @since 1.3.1
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*
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* @var string
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*/
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private $cc = false;
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/**
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* Store the email content type.
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*
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* @since 1.1.3
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*
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* @var string
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*/
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private $content_type;
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/**
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* Store the email headers.
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*
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* @since 1.1.3
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*
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* @var string
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*/
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private $headers;
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/**
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* Whether to send email in HTML.
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*
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* @since 1.1.3
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*
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* @var bool
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*/
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private $html = true;
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/**
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* The email template to use.
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*
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* @since 1.1.3
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*
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* @var string
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*/
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private $template;
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/**
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* Form data and settings.
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*
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* @since 1.1.3
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*
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* @var array
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*/
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public $form_data = [];
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/**
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* Fields, formatted, and sanitized.
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*
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* @since 1.1.3
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*
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* @var array
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*/
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public $fields = [];
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/**
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* Entry ID.
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*
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* @since 1.2.3
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*
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* @var int
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*/
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public $entry_id = '';
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/**
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* Notification ID that is currently being processed.
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*
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* @since 1.5.7
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*
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* @var int
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*/
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public $notification_id = '';
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/**
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* Get things going.
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*
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* @since 1.1.3
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*/
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public function __construct() {
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if ( 'none' === $this->get_template() ) {
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$this->html = false;
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}
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add_action( 'wpforms_email_send_before', [ $this, 'send_before' ] );
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add_action( 'wpforms_email_send_after', [ $this, 'send_after' ] );
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}
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/**
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* Set a property.
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*
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* @since 1.1.3
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*
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* @param string $key Object property key.
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* @param mixed $value Object property value.
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*/
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public function __set( $key, $value ) {
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$this->$key = $value;
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}
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/**
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* Get the email from name.
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*
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* @since 1.1.3
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*
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* @return string The email from name
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*/
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public function get_from_name() {
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if ( ! empty( $this->from_name ) ) {
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$this->from_name = $this->process_tag( $this->from_name );
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} else {
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$this->from_name = get_bloginfo( 'name' );
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}
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return apply_filters( 'wpforms_email_from_name', wpforms_decode_string( $this->from_name ), $this );
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}
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/**
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* Get the email from address.
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*
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* @since 1.1.3
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*
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* @return string The email from address.
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*/
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public function get_from_address() {
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if ( ! empty( $this->from_address ) ) {
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$this->from_address = $this->process_tag( $this->from_address );
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} else {
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$this->from_address = get_option( 'admin_email' );
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}
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return apply_filters( 'wpforms_email_from_address', wpforms_decode_string( $this->from_address ), $this );
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}
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/**
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* Get the email reply-to.
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*
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* @since 1.1.3
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*
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* @return string The email reply-to address.
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*/
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public function get_reply_to() {
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if ( ! empty( $this->reply_to ) ) {
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$email = $this->reply_to;
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// Optional custom format with a Reply-to Name specified: John Doe <john@doe.com>
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// - starts with anything,
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// - followed by space,
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// - ends with <anything> (expected to be an email, validated later).
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$regex = '/^(.+) (<.+>)$/';
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$matches = [];
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if ( preg_match( $regex, $this->reply_to, $matches ) ) {
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$this->reply_to_name = wpforms_decode_string( $this->process_tag( $matches[1] ) );
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$email = trim( $matches[2], '<> ' );
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}
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$this->reply_to = $this->process_tag( $email );
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if ( ! is_email( $this->reply_to ) ) {
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$this->reply_to = false;
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$this->reply_to_name = false;
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}
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}
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return apply_filters( 'wpforms_email_reply_to', wpforms_decode_string( $this->reply_to ), $this );
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}
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/**
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* Get the email carbon copy addresses.
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*
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* @since 1.3.1
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*
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* @return string The email reply-to address.
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*/
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public function get_cc() {
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if ( ! empty( $this->cc ) ) {
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$this->cc = $this->process_tag( $this->cc );
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$addresses = array_map( 'trim', explode( ',', $this->cc ) );
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foreach ( $addresses as $key => $address ) {
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if ( ! is_email( $address ) ) {
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unset( $addresses[ $key ] );
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}
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}
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$this->cc = implode( ',', $addresses );
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}
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return apply_filters( 'wpforms_email_cc', wpforms_decode_string( $this->cc ), $this );
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}
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/**
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* Get the email content type.
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*
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* @since 1.1.3
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*
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* @return string The email content type.
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*/
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public function get_content_type() {
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if ( ! $this->content_type && $this->html ) {
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$this->content_type = apply_filters( 'wpforms_email_default_content_type', 'text/html', $this );
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} elseif ( ! $this->html ) {
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$this->content_type = 'text/plain';
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}
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return apply_filters( 'wpforms_email_content_type', $this->content_type, $this );
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}
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/**
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* Get the email headers.
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*
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* @since 1.1.3
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*
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* @return string The email headers.
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*/
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public function get_headers() {
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if ( ! $this->headers ) {
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$this->headers = "From: {$this->get_from_name()} <{$this->get_from_address()}>\r\n";
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if ( $this->get_reply_to() ) {
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$this->headers .= $this->reply_to_name ?
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"Reply-To: {$this->reply_to_name} <{$this->get_reply_to()}>\r\n" :
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"Reply-To: {$this->get_reply_to()}\r\n";
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}
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if ( $this->get_cc() ) {
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$this->headers .= "Cc: {$this->get_cc()}\r\n";
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}
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$this->headers .= "Content-Type: {$this->get_content_type()}; charset=utf-8\r\n";
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}
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return apply_filters( 'wpforms_email_headers', $this->headers, $this );
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}
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/**
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* Build the email.
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*
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* @since 1.1.3
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*
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* @param string $message The email message.
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*
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* @return string
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*/
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public function build_email( $message ) {
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// Plain text email shortcut.
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if ( false === $this->html ) {
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$message = $this->process_tag( $message );
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$message = str_replace( '{all_fields}', $this->wpforms_html_field_value( false ), $message );
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return apply_filters( 'wpforms_email_message', wpforms_decode_string( $message ), $this );
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}
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/*
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* Generate an HTML email.
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*/
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ob_start();
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$this->get_template_part( 'header', $this->get_template(), true );
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// Hooks into the email header.
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do_action( 'wpforms_email_header', $this );
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$this->get_template_part( 'body', $this->get_template(), true );
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// Hooks into the email body.
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do_action( 'wpforms_email_body', $this );
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$this->get_template_part( 'footer', $this->get_template(), true );
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// Hooks into the email footer.
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do_action( 'wpforms_email_footer', $this );
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$message = $this->process_tag( $message );
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$message = nl2br( $message );
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$body = ob_get_clean();
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$message = str_replace( '{email}', $message, $body );
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$message = str_replace( '{all_fields}', $this->wpforms_html_field_value( true ), $message );
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$message = make_clickable( $message );
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return apply_filters( 'wpforms_email_message', $message, $this );
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}
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/**
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* Send the email.
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*
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* @since 1.1.3
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*
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* @param string $to The To address.
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* @param string $subject The subject line of the email.
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* @param string $message The body of the email.
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* @param array $attachments Attachments to the email.
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*
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* @return bool
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*/
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public function send( $to, $subject, $message, $attachments = [] ) {
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if ( ! did_action( 'init' ) && ! did_action( 'admin_init' ) ) {
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_doing_it_wrong( __FUNCTION__, esc_html__( 'You cannot send emails with WPForms_WP_Emails() until init/admin_init has been reached.', 'wpforms-lite' ), null );
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return false;
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}
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// Don't send anything if emails have been disabled.
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if ( $this->is_email_disabled() ) {
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return false;
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}
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// Don't send if email address is invalid.
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if ( ! is_email( $to ) ) {
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return false;
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}
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// Hooks before email is sent.
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do_action( 'wpforms_email_send_before', $this );
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// Deprecated filter for $attachments.
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$attachments = apply_filters_deprecated(
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'wpforms_email_attachments',
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[ $attachments, $this ],
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'1.5.7 of the WPForms plugin',
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'wpforms_emails_send_email_data'
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);
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/*
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* Allow to filter data on per-email basis,
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* useful for localizations based on recipient email address, form settings,
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* or for specific notifications - whatever available in WPForms_WP_Emails class.
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*/
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$data = apply_filters(
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'wpforms_emails_send_email_data',
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[
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'to' => $to,
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'subject' => $subject,
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'message' => $message,
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'headers' => $this->get_headers(),
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'attachments' => $attachments,
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],
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$this
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);
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$entry_obj = wpforms()->get( 'entry' );
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// phpcs:ignore WPForms.Comments.PHPDocHooks.RequiredHookDocumentation, WPForms.PHP.ValidateHooks.InvalidHookName
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$send_same_process = apply_filters(
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'wpforms_tasks_entry_emails_trigger_send_same_process',
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false,
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$this->fields,
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$entry_obj ? $entry_obj->get( $this->entry_id ) : [],
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$this->form_data,
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$this->entry_id,
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'entry'
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);
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if (
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$send_same_process ||
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! empty( $this->form_data['settings']['disable_entries'] )
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) {
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// Let's do this NOW.
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$result = wp_mail(
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$data['to'],
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$this->get_prepared_subject( $data['subject'] ),
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$this->build_email( $data['message'] ),
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$data['headers'],
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$data['attachments']
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);
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} else {
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// Schedule the email.
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$result = (bool) ( new EntryEmailsTask() )
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->params(
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$data['to'],
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$this->get_prepared_subject( $data['subject'] ),
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$this->build_email( $data['message'] ),
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$data['headers'],
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$data['attachments']
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)
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->register();
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}
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/**
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* Hooks after the email is sent.
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*
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* @since 1.1.3
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*
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* @param WPForms_WP_Emails $this Current instance of this object.
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*/
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do_action( 'wpforms_email_send_after', $this ); // phpcs:ignore WPForms.PHP.ValidateHooks.InvalidHookName
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return $result;
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}
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/**
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* Add filters/actions before the email is sent.
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*
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* @since 1.1.3
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*/
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public function send_before() {
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add_filter( 'wp_mail_from', [ $this, 'get_from_address' ] );
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add_filter( 'wp_mail_from_name', [ $this, 'get_from_name' ] );
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add_filter( 'wp_mail_content_type', [ $this, 'get_content_type' ] );
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}
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/**
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* Remove filters/actions after the email is sent.
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*
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* @since 1.1.3
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*/
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public function send_after() {
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remove_filter( 'wp_mail_from', [ $this, 'get_from_address' ] );
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remove_filter( 'wp_mail_from_name', [ $this, 'get_from_name' ] );
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remove_filter( 'wp_mail_content_type', [ $this, 'get_content_type' ] );
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}
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/**
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* Convert text formatted HTML. This is primarily for turning line breaks
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* into <p> and <br/> tags.
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*
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* @since 1.1.3
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*
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* @param string $message Text to convert.
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*
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* @return string
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*/
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public function text_to_html( $message ) {
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if ( 'text/html' === $this->content_type || true === $this->html ) {
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$message = wpautop( $message );
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}
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return $message;
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}
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/**
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* Process a smart tag.
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* Decodes entities and sanitized (keeping line breaks) by default.
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*
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* @uses wpforms_decode_string()
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*
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* @since 1.1.3
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* @since 1.6.0 Deprecated 2 params: $sanitize, $linebreaks.
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*
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* @param string $string String that may contain tags.
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*
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* @return string
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*/
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public function process_tag( $string = '' ) {
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return wpforms_process_smart_tags( $string, $this->form_data, $this->fields, $this->entry_id );
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}
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/**
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* Process the all fields smart tag if present.
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*
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* @since 1.1.3
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*
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* @param bool $is_html_email Toggle to use HTML or plaintext.
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*
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* @return string
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*/
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public function wpforms_html_field_value( $is_html_email = true ) { // phpcs:ignore
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if ( empty( $this->fields ) ) {
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return '';
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}
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if ( empty( $this->form_data['fields'] ) ) {
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$is_html_email = false;
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}
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$message = '';
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if ( $is_html_email ) {
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/*
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* HTML emails.
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*/
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ob_start();
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// Hooks into the email field.
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do_action( 'wpforms_email_field', $this );
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$this->get_template_part( 'field', $this->get_template(), true );
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$field_template = ob_get_clean();
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// Check to see if user has added support for field type.
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$other_fields = apply_filters( 'wpforms_email_display_other_fields', [], $this );
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$x = 1;
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foreach ( $this->form_data['fields'] as $field_id => $field ) {
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$field_name = '';
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$field_val = '';
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// If the field exists in the form_data but not in the final
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// field data, then it's a non-input based field, "other fields".
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|
if ( empty( $this->fields[ $field_id ] ) ) {
|
|
|
|
if ( empty( $other_fields ) || ! in_array( $field['type'], $other_fields, true ) ) {
|
|
continue;
|
|
}
|
|
|
|
if ( $field['type'] === 'divider' ) {
|
|
$field_name = ! empty( $field['label'] ) ? str_repeat( '—', 3 ) . ' ' . $field['label'] . ' ' . str_repeat( '—', 3 ) : null;
|
|
$field_val = ! empty( $field['description'] ) ? $field['description'] : '';
|
|
} elseif ( $field['type'] === 'pagebreak' ) {
|
|
if ( ! empty( $field['position'] ) && $field['position'] === 'bottom' ) {
|
|
continue;
|
|
}
|
|
$title = ! empty( $field['title'] ) ? $field['title'] : esc_html__( 'Page Break', 'wpforms-lite' );
|
|
$field_name = str_repeat( '—', 6 ) . ' ' . $title . ' ' . str_repeat( '—', 6 );
|
|
} elseif ( $field['type'] === 'html' ) {
|
|
|
|
if ( $this->is_field_conditionally_hidden( $field['id'] ) ) {
|
|
continue;
|
|
}
|
|
|
|
$field_name = ! empty( $field['name'] ) ? $field['name'] : esc_html__( 'HTML / Code Block', 'wpforms-lite' );
|
|
$field_val = $field['code'];
|
|
} elseif ( $field['type'] === 'content' ) {
|
|
|
|
if ( $this->is_field_conditionally_hidden( $field['id'] ) ) {
|
|
continue;
|
|
}
|
|
|
|
$field_name = esc_html__( 'Content', 'wpforms-lite' );
|
|
$field_val = $field['content'];
|
|
}
|
|
} else {
|
|
|
|
if (
|
|
! apply_filters( 'wpforms_email_display_empty_fields', false ) &&
|
|
( ! isset( $this->fields[ $field_id ]['value'] ) || (string) $this->fields[ $field_id ]['value'] === '' )
|
|
) {
|
|
continue;
|
|
}
|
|
|
|
$field_name = isset( $this->fields[ $field_id ]['name'] ) ? $this->fields[ $field_id ]['name'] : '';
|
|
$field_val = empty( $this->fields[ $field_id ]['value'] ) && ! is_numeric( $this->fields[ $field_id ]['value'] ) ? '<em>' . esc_html__( '(empty)', 'wpforms-lite' ) . '</em>' : $this->fields[ $field_id ]['value'];
|
|
}
|
|
|
|
if ( empty( $field_name ) && null !== $field_name ) {
|
|
$field_name = sprintf( /* translators: %d - field ID. */
|
|
esc_html__( 'Field ID #%d', 'wpforms-lite' ),
|
|
absint( $field['id'] )
|
|
);
|
|
}
|
|
|
|
$field_item = $field_template;
|
|
|
|
if ( 1 === $x ) {
|
|
$field_item = str_replace( 'border-top:1px solid #dddddd;', '', $field_item );
|
|
}
|
|
$field_item = str_replace( '{field_name}', $field_name, $field_item );
|
|
$field_item = str_replace(
|
|
'{field_value}',
|
|
apply_filters(
|
|
'wpforms_html_field_value',
|
|
$field_val,
|
|
isset( $this->fields[ $field_id ] ) ? $this->fields[ $field_id ] : $field,
|
|
$this->form_data,
|
|
'email-html'
|
|
),
|
|
$field_item
|
|
);
|
|
|
|
$message .= wpautop( $field_item );
|
|
|
|
$x ++;
|
|
}
|
|
} else {
|
|
/*
|
|
* Plain Text emails.
|
|
*/
|
|
foreach ( $this->fields as $field ) {
|
|
|
|
if (
|
|
! apply_filters( 'wpforms_email_display_empty_fields', false ) &&
|
|
( ! isset( $field['value'] ) || (string) $field['value'] === '' )
|
|
) {
|
|
continue;
|
|
}
|
|
|
|
$field_val = empty( $field['value'] ) && ! is_numeric( $field['value'] ) ? esc_html__( '(empty)', 'wpforms-lite' ) : $field['value'];
|
|
$field_name = $field['name'];
|
|
|
|
if ( empty( $field_name ) ) {
|
|
$field_name = sprintf( /* translators: %d - field ID. */
|
|
esc_html__( 'Field ID #%d', 'wpforms-lite' ),
|
|
absint( $field['id'] )
|
|
);
|
|
}
|
|
|
|
$message .= '--- ' . $field_name . " ---\r\n\r\n";
|
|
$field_value = $field_val . "\r\n\r\n";
|
|
$message .= apply_filters( 'wpforms_plaintext_field_value', $field_value, $field, $this->form_data );
|
|
}
|
|
}
|
|
|
|
if ( empty( $message ) ) {
|
|
$empty_message = esc_html__( 'An empty form was submitted.', 'wpforms-lite' );
|
|
$message = $is_html_email ? wpautop( $empty_message ) : $empty_message;
|
|
}
|
|
|
|
return $message;
|
|
}
|
|
|
|
/**
|
|
* Email kill switch if needed.
|
|
*
|
|
* @since 1.1.3
|
|
*
|
|
* @return bool
|
|
*/
|
|
public function is_email_disabled() {
|
|
|
|
return (bool) apply_filters( 'wpforms_disable_all_emails', false, $this );
|
|
}
|
|
|
|
/**
|
|
* Get the enabled email template.
|
|
*
|
|
* @since 1.1.3
|
|
*
|
|
* @return string When filtering return 'none' to switch to text/plain email.
|
|
*/
|
|
public function get_template() {
|
|
|
|
if ( ! $this->template ) {
|
|
$this->template = wpforms_setting( 'email-template', 'default' );
|
|
}
|
|
|
|
return apply_filters( 'wpforms_email_template', $this->template );
|
|
}
|
|
|
|
/**
|
|
* Retrieve a template part. Taken from bbPress.
|
|
*
|
|
* @since 1.1.3
|
|
*
|
|
* @param string $slug Template file slug.
|
|
* @param string $name Optional. Default null.
|
|
* @param bool $load Maybe load.
|
|
*
|
|
* @return string
|
|
*/
|
|
public function get_template_part( $slug, $name = null, $load = true ) {
|
|
|
|
// Setup possible parts.
|
|
$templates = [];
|
|
|
|
if ( isset( $name ) ) {
|
|
$templates[] = $slug . '-' . $name . '.php';
|
|
}
|
|
|
|
$templates[] = $slug . '.php';
|
|
|
|
// Return the part that is found.
|
|
return $this->locate_template( $templates, $load, false );
|
|
}
|
|
|
|
/**
|
|
* Retrieve the name of the highest priority template file that exists.
|
|
*
|
|
* Search in the STYLESHEETPATH before TEMPLATEPATH so that themes which
|
|
* inherit from a parent theme can just overload one file. If the template is
|
|
* not found in either of those, it looks in the theme-compat folder last.
|
|
*
|
|
* Taken from bbPress.
|
|
*
|
|
* @since 1.1.3
|
|
*
|
|
* @param string|array $template_names Template file(s) to search for, in order.
|
|
* @param bool $load If true the template file will be loaded if it is found.
|
|
* @param bool $require_once Whether to require_once or require. Default true.
|
|
* Has no effect if $load is false.
|
|
*
|
|
* @return string The template filename if one is located.
|
|
*/
|
|
public function locate_template( $template_names, $load = false, $require_once = true ) {
|
|
|
|
// No file found yet.
|
|
$located = false;
|
|
|
|
// Try to find a template file.
|
|
foreach ( (array) $template_names as $template_name ) {
|
|
|
|
// Continue if template is empty.
|
|
if ( empty( $template_name ) ) {
|
|
continue;
|
|
}
|
|
|
|
// Trim off any slashes from the template name.
|
|
$template_name = ltrim( $template_name, '/' );
|
|
|
|
// Try locating this template file by looping through the template paths.
|
|
foreach ( $this->get_theme_template_paths() as $template_path ) {
|
|
$validated_path = Templates::validate_safe_path(
|
|
$template_path . $template_name,
|
|
[ 'theme', 'plugins' ]
|
|
);
|
|
|
|
if ( $validated_path ) {
|
|
$located = $validated_path;
|
|
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
|
|
if ( ( true === $load ) && ! empty( $located ) ) {
|
|
load_template( $located, $require_once );
|
|
}
|
|
|
|
return $located;
|
|
}
|
|
|
|
/**
|
|
* Return a list of paths to check for template locations
|
|
*
|
|
* @since 1.1.3
|
|
*
|
|
* @return array
|
|
*/
|
|
public function get_theme_template_paths() {
|
|
|
|
$template_dir = 'wpforms-email';
|
|
|
|
$file_paths = [
|
|
1 => trailingslashit( get_stylesheet_directory() ) . $template_dir,
|
|
10 => trailingslashit( get_template_directory() ) . $template_dir,
|
|
100 => WPFORMS_PLUGIN_DIR . 'includes/emails/templates',
|
|
];
|
|
|
|
$file_paths = apply_filters( 'wpforms_email_template_paths', $file_paths );
|
|
|
|
// Sort the file paths based on priority.
|
|
ksort( $file_paths, SORT_NUMERIC );
|
|
|
|
return array_map( 'trailingslashit', $file_paths );
|
|
}
|
|
|
|
/**
|
|
* Perform email subject preparation: process tags, remove new lines, etc.
|
|
*
|
|
* @since 1.6.1
|
|
*
|
|
* @param string $subject Email subject to post-process.
|
|
*
|
|
* @return string
|
|
*/
|
|
private function get_prepared_subject( $subject ) {
|
|
|
|
$subject = $this->process_tag( $subject );
|
|
|
|
$subject = trim( str_replace( [ "\r\n", "\r", "\n" ], ' ', $subject ) );
|
|
|
|
return wpforms_decode_string( $subject );
|
|
}
|
|
|
|
/**
|
|
* If CL is enabled and the field is conditionally hidden, hide it from message.
|
|
*
|
|
* @since 1.7.9
|
|
*
|
|
* @param int $field_id Field ID.
|
|
*
|
|
* @return bool
|
|
*/
|
|
private function is_field_conditionally_hidden( $field_id ) {
|
|
|
|
return ! empty( $this->form_data['fields'][ $field_id ]['conditionals'] ) && ! wpforms_conditional_logic_fields()->field_is_visible( $this->form_data, $field_id );
|
|
}
|
|
}
|