Edit File by line

<?php

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add_filter( 'wpcf7_mail_html_body', 'wpcf7_mail_html_body_autop', 10, 1 );

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/**

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* Filter callback that applies auto-p to HTML email message body.

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function wpcf7_mail_html_body_autop( $body ) {

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if ( wpcf7_autop_or_not( array( 'for' => 'mail' ) ) ) {

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$body = wpcf7_autop( $body );

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}

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return $body;

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}

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/**

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* Class that represents an attempt to compose and send email.

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class WPCF7_Mail {

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private static $current = null;

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private $name = '';

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private $locale = '';

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private $template = array();

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private $component = '';

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private $use_html = false;

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private $exclude_blank = false;

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/**

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* Returns the singleton instance of this class.

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public static function get_current() {

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return self::$current;

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}

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/**

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* Returns the name of the email template currently processed.

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* Expected output: 'mail' or 'mail_2'

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public static function get_current_template_name() {

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$current = self::get_current();

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if ( $current instanceof self ) {

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return $current->get_template_name();

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}

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}

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/**

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* Returns the name of the email template component currently processed.

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* Expected output: 'recipient', 'sender', 'subject',

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* 'additional_headers', 'body', or 'attachments'

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public static function get_current_component_name() {

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$current = self::get_current();

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if ( $current instanceof self ) {

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return $current->get_component_name();

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}

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}

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/**

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* Composes and sends email based on the specified template.

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* @param array $template Array of email template.

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* @param string $name Optional name of the template, such as

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* 'mail' or 'mail_2'. Default empty string.

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* @return bool Whether the email was sent successfully.

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public static function send( $template, $name = '' ) {

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self::$current = new self( $name, $template );

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return self::$current->compose();

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}

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/**

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* The constructor method.

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* @param string $name The name of the email template.

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* Such as 'mail' or 'mail_2'.

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* @param array $template Array of email template.

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private function __construct( $name, $template ) {

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$this->name = trim( $name );

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$this->use_html = ! empty( $template['use_html'] );

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$this->exclude_blank = ! empty( $template['exclude_blank'] );

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$this->template = wp_parse_args( $template, array(

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'subject' => '',

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'sender' => '',

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'body' => '',

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'recipient' => '',

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'additional_headers' => '',

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'attachments' => '',

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) );

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if ( $submission = WPCF7_Submission::get_instance() ) {

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$contact_form = $submission->get_contact_form();

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$this->locale = $contact_form->locale();

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}

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}

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/**

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* Returns the name of the email template.

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public function name() {

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return $this->name;

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}

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/**

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* Returns the name of the email template. A wrapper method of name().

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public function get_template_name() {

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return $this->name();

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}

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/**

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* Returns the name of the email template component currently processed.

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public function get_component_name() {

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return $this->component;

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}

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/**

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* Retrieves a component from the email template.

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* @param string $component The name of the component.

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* @param bool $replace_tags Whether to replace mail-tags

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* within the component.

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* @return string The text representation of the email component.

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public function get( $component, $replace_tags = false ) {

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$this->component = $component;

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$use_html = ( $this->use_html && 'body' === $component );

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$exclude_blank = ( $this->exclude_blank && 'body' === $component );

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$template = $this->template;

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$component = isset( $template[$component] ) ? $template[$component] : '';

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if ( $replace_tags ) {

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$component = $this->replace_tags( $component, array(

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'html' => $use_html,

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'exclude_blank' => $exclude_blank,

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) );

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if ( $use_html ) {

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// Convert <example@example.com> to <example@example.com>.

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$component = preg_replace_callback(

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'/<(.*?)>/',

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static function ( $matches ) {

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if ( is_email( $matches[1] ) ) {

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return sprintf( '<%s>', $matches[1] );

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} else {

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return $matches[0];

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}

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$component

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);

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if ( ! preg_match( '%<html[>\s].*</html>%is', $component ) ) {

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$component = $this->htmlize( $component );

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}

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}

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}

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$this->component = '';

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return $component;

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}

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/**

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* Creates HTML message body by adding the header and footer.

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* @param string $body The body part of HTML.

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* @return string Formatted HTML.

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private function htmlize( $body ) {

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if ( $this->locale ) {

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$lang_atts = sprintf( ' %s',

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wpcf7_format_atts( array(

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'dir' => wpcf7_is_rtl( $this->locale ) ? 'rtl' : 'ltr',

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'lang' => str_replace( '_', '-', $this->locale ),

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) )

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);

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} else {

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$lang_atts = '';

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}

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$header = apply_filters( 'wpcf7_mail_html_header',

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'<!doctype html>

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<head>

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<title>' . esc_html( $this->get( 'subject', true ) ) . '</title>

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</head>

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<body>

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$this

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);

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$body = apply_filters( 'wpcf7_mail_html_body', $body, $this );

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$footer = apply_filters( 'wpcf7_mail_html_footer',

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'</body>

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</html>',

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$this

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);

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return $header . $body . $footer;

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}

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/**

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* Composes an email message and attempts to send it.

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* @param bool $send Whether to attempt to send email. Default true.

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private function compose( $send = true ) {

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$components = array(

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'subject' => $this->get( 'subject', true ),

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'sender' => $this->get( 'sender', true ),

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'body' => $this->get( 'body', true ),

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'recipient' => $this->get( 'recipient', true ),

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'additional_headers' => $this->get( 'additional_headers', true ),

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'attachments' => $this->attachments(),

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);

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$components = apply_filters( 'wpcf7_mail_components',

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$components, wpcf7_get_current_contact_form(), $this

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);

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if ( ! $send ) {

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return $components;

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}

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$subject = wpcf7_strip_newline( $components['subject'] );

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$sender = wpcf7_strip_newline( $components['sender'] );

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$recipient = wpcf7_strip_newline( $components['recipient'] );

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$body = $components['body'];

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$additional_headers = trim( $components['additional_headers'] );

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$headers = "From: $sender\n";

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if ( $this->use_html ) {

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$headers .= "Content-Type: text/html\n";

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$headers .= "X-WPCF7-Content-Type: text/html\n";

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} else {

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$headers .= "X-WPCF7-Content-Type: text/plain\n";

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}

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if ( $additional_headers ) {

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$headers .= $additional_headers . "\n";

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}

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$attachments = array_filter(

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(array) $components['attachments'],

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function ( $attachment ) {

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$path = path_join( WP_CONTENT_DIR, $attachment );

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if ( ! wpcf7_is_file_path_in_content_dir( $path ) ) {

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if ( WP_DEBUG ) {

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trigger_error(

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sprintf(

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/* translators: %s: Attachment file path. */

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__( 'Failed to attach a file. %s is not in the allowed directory.', 'contact-form-7' ),

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$path

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E_USER_NOTICE

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);

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}

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return false;

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}

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if ( ! is_readable( $path ) or ! is_file( $path ) ) {

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if ( WP_DEBUG ) {

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trigger_error(

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sprintf(

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/* translators: %s: Attachment file path. */

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__( 'Failed to attach a file. %s is not a readable file.', 'contact-form-7' ),

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$path

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E_USER_NOTICE

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);

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}

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return false;

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}

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static $total_size = array();

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if ( ! isset( $total_size[$this->name] ) ) {

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$total_size[$this->name] = 0;

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}

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$file_size = (int) @filesize( $path );

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if ( 25 * MB_IN_BYTES < $total_size[$this->name] + $file_size ) {

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if ( WP_DEBUG ) {

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trigger_error(

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__( 'Failed to attach a file. The total file size exceeds the limit of 25 megabytes.', 'contact-form-7' ),

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E_USER_NOTICE

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);

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}

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return false;

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}

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$total_size[$this->name] += $file_size;

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return true;

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}

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);

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return wp_mail( $recipient, $subject, $body, $headers, $attachments );

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}

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/**

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* Replaces mail-tags within the given text.

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public function replace_tags( $content, $options = '' ) {

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if ( true === $options ) {

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$options = array( 'html' => true );

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}

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$options = wp_parse_args( $options, array(

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'html' => false,

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'exclude_blank' => false,

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) );

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return wpcf7_mail_replace_tags( $content, $options );

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}

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/**

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* Creates an array of attachments based on uploaded files and local files.

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private function attachments( $template = null ) {

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if ( ! $template ) {

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$template = $this->get( 'attachments' );

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}

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$attachments = array();

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if ( $submission = WPCF7_Submission::get_instance() ) {

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$uploaded_files = $submission->uploaded_files();

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foreach ( (array) $uploaded_files as $name => $paths ) {

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if ( false !== strpos( $template, "[{$name}]" ) ) {

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$attachments = array_merge( $attachments, (array) $paths );

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}

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}

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}

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foreach ( explode( "\n", $template ) as $line ) {

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$line = trim( $line );

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if ( '' === $line or '[' == substr( $line, 0, 1 ) ) {

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continue;

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}

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$attachments[] = path_join( WP_CONTENT_DIR, $line );

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}

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if ( $submission = WPCF7_Submission::get_instance() ) {

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$attachments = array_merge(

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$attachments,

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(array) $submission->extra_attachments( $this->name )

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);

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}

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return $attachments;

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}

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}

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/**

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* Replaces all mail-tags within the given text content.

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* @param string $content Text including mail-tags.

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* @param string|array $options Optional. Output options.

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* @return string Result of replacement.

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function wpcf7_mail_replace_tags( $content, $options = '' ) {

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$options = wp_parse_args( $options, array(

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'html' => false,

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'exclude_blank' => false,

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) );

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if ( is_array( $content ) ) {

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foreach ( $content as $key => $value ) {

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$content[$key] = wpcf7_mail_replace_tags( $value, $options );

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}

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return $content;

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}

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$content = explode( "\n", $content );

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foreach ( $content as $num => $line ) {

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$line = new WPCF7_MailTaggedText( $line, $options );

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$replaced = $line->replace_tags();

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if ( $options['exclude_blank'] ) {

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$replaced_tags = $line->get_replaced_tags();

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if ( empty( $replaced_tags )

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or array_filter( $replaced_tags, 'strlen' ) ) {

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$content[$num] = $replaced;

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} else {

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unset( $content[$num] ); // Remove a line.

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}

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} else {

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$content[$num] = $replaced;

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}

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}

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$content = implode( "\n", $content );

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return $content;

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}

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add_action( 'phpmailer_init', 'wpcf7_phpmailer_init', 10, 1 );

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/**

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* Adds custom properties to the PHPMailer object.

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function wpcf7_phpmailer_init( $phpmailer ) {

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$custom_headers = $phpmailer->getCustomHeaders();

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$phpmailer->clearCustomHeaders();

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$wpcf7_content_type = false;

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foreach ( (array) $custom_headers as $custom_header ) {

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$name = $custom_header[0];

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$value = $custom_header[1];

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if ( 'X-WPCF7-Content-Type' === $name ) {

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$wpcf7_content_type = trim( $value );

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} else {

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$phpmailer->addCustomHeader( $name, $value );

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}

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}

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if ( 'text/html' === $wpcf7_content_type ) {

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$phpmailer->msgHTML( $phpmailer->Body );

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} elseif ( 'text/plain' === $wpcf7_content_type ) {

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$phpmailer->AltBody = '';

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}

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}

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/**

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* Class that represents a single-line text including mail-tags.

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class WPCF7_MailTaggedText {

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private $html = false;

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private $callback = null;

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private $content = '';

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private $replaced_tags = array();

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/**

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* The constructor method.

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public function __construct( $content, $options = '' ) {

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$options = wp_parse_args( $options, array(

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'html' => false,

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'callback' => null,

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) );

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$this->html = (bool) $options['html'];

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if ( null !== $options['callback']

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and is_callable( $options['callback'] ) ) {

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$this->callback = $options['callback'];

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} elseif ( $this->html ) {

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$this->callback = array( $this, 'replace_tags_callback_html' );

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} else {

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$this->callback = array( $this, 'replace_tags_callback' );

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}

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$this->content = $content;

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}

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