<?php

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/**

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* @Description : Plugin main core

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* @Package : Drag & Drop Multiple File Upload - Contact Form 7

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* @Author : Glen Don L. Mongaya

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*/

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if ( ! defined( 'ABSPATH' ) || ! defined('dnd_upload_cf7') ) {

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exit;

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}

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/**

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* Begin : begin plugin hooks

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*/

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add_action( 'wpcf7_init', 'dnd_cf7_upload_add_form_tag_file' );

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add_action( 'wpcf7_enqueue_scripts', 'dnd_cf7_scripts' );

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// Hook on plugins loaded

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add_action('plugins_loaded','dnd_cf7_upload_plugins_loaded');

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// Ajax Upload

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add_action( 'wp_ajax_dnd_codedropz_upload', 'dnd_upload_cf7_upload' );

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add_action( 'wp_ajax_nopriv_dnd_codedropz_upload', 'dnd_upload_cf7_upload' );

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// Hook - Ajax Delete

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add_action('wp_ajax_nopriv_dnd_codedropz_upload_delete', 'dnd_codedropz_upload_delete');

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add_action('wp_ajax_dnd_codedropz_upload_delete','dnd_codedropz_upload_delete');

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// Ajax Nonce check

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add_action('wp_ajax__wpcf7_check_nonce', 'dnd_wpcf7_nonce_check');

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add_action('wp_ajax_nopriv__wpcf7_check_nonce', 'dnd_wpcf7_nonce_check');

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// Hook mail cf7

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add_filter('wpcf7_posted_data', 'dnd_wpcf7_posted_data', 10, 1);

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add_action('wpcf7_before_send_mail','dnd_cf7_before_send_mail', 30, 1);

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add_action('wpcf7_mail_components','dnd_cf7_mail_components', 50, 2);

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// Auto clean up dir/files

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add_action('template_redirect', 'dnd_cf7_auto_clean_dir', 20, 0 );

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// Add row meta links

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add_filter( 'plugin_row_meta', 'dnd_custom_plugin_row_meta', 10, 2 );

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// Add custom mime-type

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add_filter('upload_mimes', 'dnd_extra_mime_types', 1, 1);

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// Plugin settings

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add_filter( 'plugin_action_links_' . plugin_basename( dnd_upload_cf7_directory ) .'/drag-n-drop-upload-cf7.php', 'dnd_cf7_upload_links' );

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// Add Submenu - Settings

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add_action('admin_menu', 'dnd_admin_settings');

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// Add custom script in footer

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add_action('wp_footer','dnd_custom_scripts');

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// Flamingo Hooks

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add_action('before_delete_post', 'dnd_remove_uploaded_files');

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// Nonce

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function dnd_wpcf7_nonce_check(){

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if( ! check_ajax_referer( 'dnd-cf7-security-nonce', false, false ) ){

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wp_send_json_success( wp_create_nonce( "dnd-cf7-security-nonce" ) );

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}

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}

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// Add links to settings

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function dnd_cf7_upload_links( $actions ) {

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$upload_links = array('<a href="' . admin_url( 'admin.php?page=drag-n-drop-upload' ) . '">Settings</a>',);

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$actions = array_merge( $upload_links, $actions );

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return $actions;

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}

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// Load plugin text-domain

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function dnd_cf7_upload_plugins_loaded() {

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// Load language domain

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load_plugin_textdomain( 'drag-and-drop-multiple-file-upload-contact-form-7', false, dirname( dirname( plugin_basename( __FILE__ ) ) ) . '/languages' );

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// Create dir

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$dir = dnd_get_upload_dir();

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if( isset( $dir['upload_dir'] ) && is_dir( $dir['upload_dir'] ) ) {

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// Generate .htaccess file`

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$htaccess_file = path_join( dirname( $dir['upload_dir'] ), '.htaccess' );

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if ( ! file_exists( $htaccess_file ) ) {

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if ( $handle = fopen( $htaccess_file, 'w' ) ) {

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fwrite( $handle, "Options -Indexes \n <Files *.php> \n deny from all \n </Files>" );

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fclose( $handle );

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}

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}

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}

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// fix spam

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if( get_option('drag_n_drop_fix_spam') == 'yes' ) {

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add_filter('wpcf7_spam', function(){

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return false;

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});

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}

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}

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// Remove uploaded files when item is deleted permanently.

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function dnd_remove_uploaded_files( $post_id ) {

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$post_type = get_post_type( $post_id );

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$page = get_post( $post_id );

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if( $post_type == 'flamingo_inbound' ) {

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preg_match_all( '/(.*?)(\/'.wpcf7_dnd_dir.'\/wpcf7-files\/.*$)/m', $page->post_content, $matches );

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if( $matches[0] && count( $matches[0] ) > 0 ) {

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foreach( $matches[0] as $files ) {

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$new_file = str_replace( site_url().'/', wp_normalize_path( ABSPATH ), $files );

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if( file_exists( $new_file ) ) {

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wp_delete_file( $new_file );

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}

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}

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}

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}

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}

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// Modify contact form posted_data

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function dnd_wpcf7_posted_data( $posted_data ){

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// Subbmisson instance from CF7

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$submission = WPCF7_Submission::get_instance();

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// Make sure we have the data

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if ( ! $posted_data ) {

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$posted_data = $submission->get_posted_data();

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}

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// Scan and get all form tags from cf7 generator

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$forms_tags = $submission->get_contact_form();

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$uploads_dir = dnd_get_upload_dir();

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if( $forms = $forms_tags->scan_form_tags() ) {

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foreach( $forms as $field ) {

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$field_name = $field->name;

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if( $field->basetype == 'mfile' && isset( $posted_data[$field_name] ) && ! empty( $posted_data[$field_name] ) ) {

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foreach( $posted_data[$field_name] as $key => $file ) {

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$posted_data[$field_name][$key] = trailingslashit( $uploads_dir['upload_url'] ) . wp_basename( $file );

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}

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}

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}

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}

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return $posted_data;

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}

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// Hooks for admin settings

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function dnd_admin_settings() {

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add_submenu_page( 'wpcf7', 'Drag & Drop Uploader - Settings', 'Drag & Drop Upload', 'manage_options', 'drag-n-drop-upload','dnd_upload_admin_settings');

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add_action('admin_init','dnd_upload_register_settings');

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}

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// Add custom mime-types

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function dnd_extra_mime_types( $mime_types ){

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$mime_types['xls'] = 'application/excel, application/vnd.ms-excel, application/x-excel, application/x-msexcel';

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$mime_types['xlsx'] = 'application/vnd.openxmlformats-officedocument.spreadsheetml.sheet';

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return $mime_types;

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}

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// Default Error Message

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function dnd_cf7_error_msg( $error_key ) {

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// Array of default error message

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$errors = array(

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'server_limit' => __('The uploaded file exceeds the maximum upload size of your server.','drag-and-drop-multiple-file-upload-contact-form-7'),

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'failed_upload' => __('Uploading a file fails for any reason','drag-and-drop-multiple-file-upload-contact-form-7'),

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'large_file' => __('Uploaded file is too large','drag-and-drop-multiple-file-upload-contact-form-7'),

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'invalid_type' => __('Uploaded file is not allowed for file type','drag-and-drop-multiple-file-upload-contact-form-7'),

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'max_file_limit' => __('Note : Some of the files are not uploaded ( Only %count% files allowed )','drag-and-drop-multiple-file-upload-contact-form-7'),

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'required' => __('This field is required.', 'drag-and-drop-multiple-file-upload-contact-form-7' ),

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'min_file' => __('The minimum file upload is','drag-and-drop-multiple-file-upload-contact-form-7'),

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);

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// return error message based on $error_key request

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if( isset( $errors[ $error_key ] ) ) {

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return $errors[ $error_key ];

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}

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return false;

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}

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// Get folder path

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function dnd_get_upload_dir() {

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$upload = wp_upload_dir();

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$uploads_dir = wpcf7_dnd_dir . '/wpcf7-files';

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// If save as attachment ( also : Check if upload use year and month folders )

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if( get_option('drag_n_drop_mail_attachment') == 'yes' ) {

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$uploads_dir = ( get_option('uploads_use_yearmonth_folders') ? wpcf7_dnd_dir . $upload['subdir'] : wpcf7_dnd_dir );

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}

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// Create directory

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if ( ! is_dir( trailingslashit( $upload['basedir'] ) . $uploads_dir ) ) {

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wp_mkdir_p( trailingslashit( $upload['basedir'] ) . $uploads_dir );

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}

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// Make sure directory exist before returning

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if( file_exists( trailingslashit( $upload['basedir'] ) . $uploads_dir ) ) {

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return array(

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'upload_dir' => trailingslashit( $upload['basedir'] ) . $uploads_dir,

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'upload_url' => trailingslashit( $upload['baseurl'] ) . $uploads_dir

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);

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}

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return trailingslashit( $upload['basedir'] ) . $uploads_dir;

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}

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// Clean up directory - From Contact Form 7

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function dnd_cf7_auto_clean_dir( $seconds = 3600, $max = 60 ) {

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if ( is_admin() || 'GET' != $_SERVER['REQUEST_METHOD'] || is_robots() || is_feed() || is_trackback() ) {

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return;

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}

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// Disable auto delete

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if( get_option('drag_n_drop_disable_auto_delete') == 'yes' ) {

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return;

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}

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// Setup dirctory path

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$upload = wp_upload_dir();

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$dir = trailingslashit( $upload['basedir'] ) . wpcf7_dnd_dir . '/wpcf7-files/';

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// Make sure dir is readable or writable

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if ( ! is_dir( $dir ) || ! is_readable( $dir ) || ! wp_is_writable( $dir ) ) {

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return;

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}

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$seconds = apply_filters( 'dnd_cf7_auto_delete_files', $seconds );

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$max = absint( $max );

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$count = 0;

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if ( $handle = @opendir( $dir ) ) {

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while ( false !== ( $file = readdir( $handle ) ) ) {

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if ( $file == "." || $file == ".." ) {

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continue;

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}

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// Get file time of files OLD files.

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$mtime = @filemtime( $dir . $file );

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if ( $mtime && time() < $mtime + absint( $seconds ) ) { // less than $seconds old

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continue;

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}

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// Delete files from dir

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if( $file != '.htaccess' ) {

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wp_delete_file( $dir . $file );

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}

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$count += 1;

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if ( $max <= $count ) {

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break;

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}

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}

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@closedir( $handle );

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}

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@rmdir( $dir );

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}

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// Hooks before sending the email - ( append links to body email )

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function dnd_cf7_before_send_mail( $wpcf7 ){

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global $_mail;

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// Get upload path / dir

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$upload_path = dnd_get_upload_dir();

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// Mail Counter

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$_mail = 0;

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// Check If send attachment as link

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if( ! get_option('drag_n_drop_mail_attachment') ) {

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return $wpcf7;

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}

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// cf7 instance

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$submission = WPCF7_Submission::get_instance();

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// Check for submission

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if( $submission ) {

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// Get posted data

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$submitted['posted_data'] = $submission->get_posted_data();

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// Parse fields

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$fields = $wpcf7->scan_form_tags();

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// Links

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$links = array();

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// Prop email

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$mail = $wpcf7->prop('mail');

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$mail_2 = $wpcf7->prop('mail_2');

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// Default upload path

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$simple_path = dirname( $upload_path['upload_url'] ); // dirname - remove duplicate form dir (/wpcf-dnd-uploads/wpcf7-dnd-uploads/example.jpg)

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// Loop fields and replace mfile code

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foreach( $fields as $field ) {

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if( $field->basetype == 'mfile') {

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if( isset( $submitted['posted_data'][$field->name] ) && ! empty( $submitted['posted_data'][$field->name] ) ) {

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// Get posted_data files

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$files = $submitted['posted_data'][$field->name];

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// Links - 1

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$mail_links = dnd_cf7_links( $files, $mail['use_html'] );

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$mail['body'] = str_replace( "[$field->name]", "\n" . implode( "\n", $mail_links ), $mail['body'] );

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// Links - 2

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if( $mail_2['active'] ) {

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$mail_links_2 = dnd_cf7_links( $files, $mail_2['use_html'] );

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$mail_2['body'] = str_replace( "[$field->name]", "\n" . implode( "\n", $mail_links_2 ), $mail_2['body'] );

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}

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}

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}

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}

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// Save the email body

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$wpcf7->set_properties( array("mail" => $mail) );

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// if mail 2

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if( $mail_2['active'] ) {

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$wpcf7->set_properties( array("mail_2" => $mail_2) );

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}

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}

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return $wpcf7;

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}

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// Get file links.

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function dnd_cf7_links( $files, $use_html = false) {

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// check and make sure we have files

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if( ! $files ) {

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return;

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}

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// Setup html links

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$links = array();

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foreach( $files as $file ) {

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$links[] = ( $use_html ? '<a href="'. esc_url( $file ) .'">'. wp_basename( $file ) .'</a>' : $file );

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}

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// Allow other themes/plugin to modify data.

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return apply_filters('dndcf7_before_send_files', $links, $files );

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}

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// Log message...

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function dnd_logs( $message, $email = false ) {

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$uploads_dir = dnd_get_upload_dir();

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$file = fopen( $uploads_dir['upload_dir']."/logs.txt", "a") or die("Unable to open file!");

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fwrite( $file, "\n". ( is_array( $message ) ? print_r( $message, true ) : $message ) );

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fclose( $file );

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}

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// hooks - Custom cf7 Mail components ( Attached File on Email )

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function dnd_cf7_mail_components( $components, $form ) {

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global $_mail;

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if( ! $form ) {

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return;

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}

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// Get upload directory

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$uploads_dir = dnd_get_upload_dir();

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// cf7 - Submission Object

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$submission = WPCF7_Submission::get_instance();

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// get all form fields

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$fields = $form->scan_form_tags();

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// Send email link as an attachment.

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if( get_option('drag_n_drop_mail_attachment') == 'yes' ) {

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return $components;

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}

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// Get mail,mail_2 attachment [tags]

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$mail = array('mail','mail_2');

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$props_mail = array();

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foreach( $mail as $single_mail ) {

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$props_mail[] = $form->prop( $single_mail );

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}

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// Get email attachments (mail, mail_2)

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$mail = $props_mail[ $_mail ];

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if( $mail['active'] && $mail['attachments'] ) {

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// Loop fields get mfile only.

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foreach( $fields as $field ) {

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// If field type equal to mfile which our default field.

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if( $field->basetype == 'mfile') {

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// Make sure we have files to attach

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if( isset( $_POST[ $field->name ] ) && count( $_POST[ $field->name ] ) > 0 ) {

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// Check and make sure [upload-file-xxx] exists in attachments - fields

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if ( false !== strpos( $mail['attachments'], "[{$field->name}]" ) ) {

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// Loop all the files and attach to cf7 components

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foreach( $_POST[ $field->name ] as $_file ) {

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// Join dir and a new file name ( get from <input type="hidden" name="upload-file-333"> )

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$new_file_name = trailingslashit( $uploads_dir['upload_dir'] ) . wp_basename( $_file );

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// Check if submitted and file exists then file is ready.

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if ( $submission && file_exists( $new_file_name ) ) {

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$components['attachments'][] = $new_file_name;

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}

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}

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}

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}

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}

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}

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}

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// Increment mail counter

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$_mail = $_mail + 1;

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// Return setup components

[425] Fix | Delete

return $components;

[426] Fix | Delete

}

[427] Fix | Delete

[428] Fix | Delete

// Load js and css

[429] Fix | Delete

function dnd_cf7_scripts() {

[430] Fix | Delete

[431] Fix | Delete

// Get plugin version

[432] Fix | Delete

$version = dnd_upload_cf7_version;

[433] Fix | Delete

[434] Fix | Delete

// enque script

[435] Fix | Delete

wp_enqueue_script( 'codedropz-uploader', plugins_url ('/assets/js/codedropz-uploader-min.js', dirname(__FILE__) ), array('jquery'), $version, true );

[436] Fix | Delete

wp_enqueue_script( 'dnd-upload-cf7', plugins_url ('/assets/js/dnd-upload-cf7.js', dirname(__FILE__) ), array('jquery','codedropz-uploader','contact-form-7'), $version, true );

[437] Fix | Delete

[438] Fix | Delete

// All data options

[439] Fix | Delete

$data_options = apply_filters('dnd_cf7_data_options',

[440] Fix | Delete

array(

[441] Fix | Delete

'tag' => ( get_option('drag_n_drop_heading_tag') ? get_option('drag_n_drop_heading_tag') : 'h3' ),

[442] Fix | Delete

'text' => ( get_option('drag_n_drop_text') ? get_option('drag_n_drop_text') : __('Drag & Drop Files Here','drag-and-drop-multiple-file-upload-contact-form-7') ),

[443] Fix | Delete

'or_separator' => ( get_option('drag_n_drop_separator') ? get_option('drag_n_drop_separator') : __('or','drag-and-drop-multiple-file-upload-contact-form-7') ),

[444] Fix | Delete

'browse' => ( get_option('drag_n_drop_browse_text') ? get_option('drag_n_drop_browse_text') : __('Browse Files','drag-and-drop-multiple-file-upload-contact-form-7') ),

[445] Fix | Delete

'server_max_error' => ( get_option('drag_n_drop_error_server_limit') ? get_option('drag_n_drop_error_server_limit') : dnd_cf7_error_msg('server_limit') ),

[446] Fix | Delete

'large_file' => ( get_option('drag_n_drop_error_files_too_large') ? get_option('drag_n_drop_error_files_too_large') : dnd_cf7_error_msg('large_file') ),

[447] Fix | Delete

'inavalid_type' => ( get_option('drag_n_drop_error_invalid_file') ? get_option('drag_n_drop_error_invalid_file') : dnd_cf7_error_msg('invalid_type') ),

[448] Fix | Delete

'max_file_limit' => ( get_option('drag_n_drop_error_max_file') ? get_option('drag_n_drop_error_max_file') : dnd_cf7_error_msg('max_file_limit') ),

[449] Fix | Delete

'required' => dnd_cf7_error_msg('required'),

[450] Fix | Delete

'delete' => array(

[451] Fix | Delete

'text' => __('deleting','drag-and-drop-multiple-file-upload-contact-form-7'),

[452] Fix | Delete

'title' => __('Remove','drag-and-drop-multiple-file-upload-contact-form-7')

[453] Fix | Delete

)

[454] Fix | Delete

)

[455] Fix | Delete

);

[456] Fix | Delete

[457] Fix | Delete

// registered script with data for a JavaScript variable.

[458] Fix | Delete

wp_localize_script( 'dnd-upload-cf7', 'dnd_cf7_uploader',

[459] Fix | Delete

array(

[460] Fix | Delete

'ajax_url' => admin_url( 'admin-ajax.php' ),

[461] Fix | Delete

'ajax_nonce' => wp_create_nonce( "dnd-cf7-security-nonce" ),

[462] Fix | Delete

'drag_n_drop_upload' => $data_options,

[463] Fix | Delete

'dnd_text_counter' => __('of','drag-and-drop-multiple-file-upload-contact-form-7'),

[464] Fix | Delete

'disable_btn' => ( get_option('drag_n_drop_disable_btn') == 'yes' ? true : false )

[465] Fix | Delete

)

[466] Fix | Delete

);

[467] Fix | Delete

[468] Fix | Delete

// enque style

[469] Fix | Delete

wp_enqueue_style( 'dnd-upload-cf7', plugins_url ('/assets/css/dnd-upload-cf7.css', dirname(__FILE__) ), '', $version );

[470] Fix | Delete

}

[471] Fix | Delete

[472] Fix | Delete

// Generate tag

[473] Fix | Delete

function dnd_cf7_upload_add_form_tag_file() {

[474] Fix | Delete

wpcf7_add_form_tag( array( 'mfile ', 'mfile*'), 'dnd_cf7_upload_form_tag_handler', array( 'name-attr' => true ) );

[475] Fix | Delete

}

[476] Fix | Delete

[477] Fix | Delete

// Form tag handler from the tag - callback

[478] Fix | Delete

function dnd_cf7_upload_form_tag_handler( $tag ) {

[479] Fix | Delete

[480] Fix | Delete

// check and make sure tag name is not empty

[481] Fix | Delete

if ( empty( $tag->name ) ) {

[482] Fix | Delete

return '';

[483] Fix | Delete

}

[484] Fix | Delete

[485] Fix | Delete

// Validate our fields

[486] Fix | Delete

$validation_error = wpcf7_get_validation_error( $tag->name );

[487] Fix | Delete

[488] Fix | Delete

// Generate class

[489] Fix | Delete

$class = wpcf7_form_controls_class( 'drag-n-drop-file d-none' );

[490] Fix | Delete

[491] Fix | Delete

// Add not-valid class if there's an error.

[492] Fix | Delete

if ( $validation_error ) {

[493] Fix | Delete

$class .= ' wpcf7-not-valid';

[494] Fix | Delete

}

[495] Fix | Delete

[496] Fix | Delete

// Get current form Object

[497] Fix | Delete

$form = WPCF7_ContactForm::get_current();

[498] Fix | Delete

[499] Fix | Delete